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43    <div id="projectname">CMSIS-Driver
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52    <div id="projectbrief">Peripheral Interface for Middleware and Application Code</div>
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125
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133   <div class="headertitle"><div class="title">Storage Interface</div></div>
134 </div><!--header-->
135 <div class="contents">
136
137 <p>Driver API for Storage Device Interface (Driver_Storage.h)  
138 <a href="#details">More...</a></p>
139 <table class="memberdecls">
140 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="groups" name="groups"></a>
141 Content</h2></td></tr>
142 <tr class="memitem:group__StorageDriverFunctions"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__StorageDriverFunctions.html">Use of Storage APIs</a></td></tr>
143 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
144 <tr class="memitem:group__SampleUseOfStorageDriver"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SampleUseOfStorageDriver.html">Sample Use of Storage Driver</a></td></tr>
145 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
146 </table><table class="memberdecls">
147 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
148 Data Structures</h2></td></tr>
149 <tr class="memitem:structARM__STORAGE__BLOCK__ATTRIBUTES"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK__ATTRIBUTES">ARM_STORAGE_BLOCK_ATTRIBUTES</a></td></tr>
150 <tr class="memdesc:structARM__STORAGE__BLOCK__ATTRIBUTES"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attributes of the storage range within a storage block.  <a href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK__ATTRIBUTES">More...</a><br /></td></tr>
151 <tr class="separator:structARM__STORAGE__BLOCK__ATTRIBUTES"><td class="memSeparator" colspan="2">&#160;</td></tr>
152 <tr class="memitem:structARM__STORAGE__BLOCK"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a></td></tr>
153 <tr class="memdesc:structARM__STORAGE__BLOCK"><td class="mdescLeft">&#160;</td><td class="mdescRight">A storage block is a range of memory with uniform attributes.  <a href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">More...</a><br /></td></tr>
154 <tr class="separator:structARM__STORAGE__BLOCK"><td class="memSeparator" colspan="2">&#160;</td></tr>
155 <tr class="memitem:structARM__STORAGE__INFO"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a></td></tr>
156 <tr class="separator:structARM__STORAGE__INFO"><td class="memSeparator" colspan="2">&#160;</td></tr>
157 <tr class="memitem:structARM__DRIVER__STORAGE"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#structARM__DRIVER__STORAGE">ARM_DRIVER_STORAGE</a></td></tr>
158 <tr class="separator:structARM__DRIVER__STORAGE"><td class="memSeparator" colspan="2">&#160;</td></tr>
159 <tr class="memitem:structARM__STORAGE__CAPABILITIES"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a></td></tr>
160 <tr class="memdesc:structARM__STORAGE__CAPABILITIES"><td class="mdescLeft">&#160;</td><td class="mdescRight">Storage Driver API Capabilities.  <a href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">More...</a><br /></td></tr>
161 <tr class="separator:structARM__STORAGE__CAPABILITIES"><td class="memSeparator" colspan="2">&#160;</td></tr>
162 <tr class="memitem:structARM__STORAGE__STATUS"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__STATUS">ARM_STORAGE_STATUS</a></td></tr>
163 <tr class="memdesc:structARM__STORAGE__STATUS"><td class="mdescLeft">&#160;</td><td class="mdescRight">Operating status of the storage controller.  <a href="group__storage__interface__gr.html#structARM__STORAGE__STATUS">More...</a><br /></td></tr>
164 <tr class="separator:structARM__STORAGE__STATUS"><td class="memSeparator" colspan="2">&#160;</td></tr>
165 </table><table class="memberdecls">
166 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a>
167 Typedefs</h2></td></tr>
168 <tr class="memitem:ga4b290224fea782e6d2ad06f541b28a98"><td class="memItemLeft" align="right" valign="top">typedef void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a>) (int32_t status, <a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7c">ARM_STORAGE_OPERATION</a> operation)</td></tr>
169 <tr class="separator:ga4b290224fea782e6d2ad06f541b28a98"><td class="memSeparator" colspan="2">&#160;</td></tr>
170 </table><table class="memberdecls">
171 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a>
172 Enumerations</h2></td></tr>
173 <tr class="memitem:ga3a9277f89946d61c41b22da72e3eef7c"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7c">ARM_STORAGE_OPERATION</a> { <br />
174 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7cac82e2ca0f9b7ec94e24ae56c45f12f8c">ARM_STORAGE_OPERATION_GET_VERSION</a>
175 , <br />
176 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca314621ae4384fef7094d8724d59b65c4">ARM_STORAGE_OPERATION_GET_CAPABILITIES</a>
177 , <br />
178 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7caca3985b874bf393dc2e448b339668971">ARM_STORAGE_OPERATION_INITIALIZE</a>
179 , <br />
180 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7cab9488e567ad58b16c5df2637df3902e9">ARM_STORAGE_OPERATION_UNINITIALIZE</a>
181 , <br />
182 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca213a74ac5a692a80f17fd6d8e6565e05">ARM_STORAGE_OPERATION_POWER_CONTROL</a>
183 , <br />
184 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca177812f3cb27c413473d94ebe9480454">ARM_STORAGE_OPERATION_READ_DATA</a>
185 , <br />
186 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca586b4774a7a092d1932d3415cc42abb0">ARM_STORAGE_OPERATION_PROGRAM_DATA</a>
187 , <br />
188 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7cab52a1d10b8087452fd97af8cdb9a6f75">ARM_STORAGE_OPERATION_ERASE</a>
189 , <br />
190 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca60a0511bd5e32db2a22d3ab2023a601e">ARM_STORAGE_OPERATION_ERASE_ALL</a>
191 , <br />
192 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca7c595cd3c439753efe0a0b17efd7bb7f">ARM_STORAGE_OPERATION_GET_STATUS</a>
193 , <br />
194 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca0fe0ef7c0a9e69d053a0419282248f40">ARM_STORAGE_OPERATION_GET_INFO</a>
195 , <br />
196 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca3292512d0222e4119d0cdf77de1508df">ARM_STORAGE_OPERATION_RESOLVE_ADDRESS</a>
197 , <br />
198 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7ca9bfab6ee9caa3ace32338d4ef2d856f5">ARM_STORAGE_OPERATION_GET_NEXT_BLOCK</a>
199 , <br />
200 &#160;&#160;<a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7cac75096931c3d29af1029f25fc44e7523">ARM_STORAGE_OPERATION_GET_BLOCK</a>
201 <br />
202  }</td></tr>
203 <tr class="separator:ga3a9277f89946d61c41b22da72e3eef7c"><td class="memSeparator" colspan="2">&#160;</td></tr>
204 </table><table class="memberdecls">
205 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
206 Functions</h2></td></tr>
207 <tr class="memitem:gaf28193431b1a2ee64b22bfb36aed27e3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#gaf28193431b1a2ee64b22bfb36aed27e3">ARM_Storage_GetVersion</a> (void)</td></tr>
208 <tr class="memdesc:gaf28193431b1a2ee64b22bfb36aed27e3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get driver version.  <br /></td></tr>
209 <tr class="separator:gaf28193431b1a2ee64b22bfb36aed27e3"><td class="memSeparator" colspan="2">&#160;</td></tr>
210 <tr class="memitem:ga8378b3901dfe76d8f31728a50e10dae2"><td class="memItemLeft" align="right" valign="top">ARM_STOR_CAPABILITIES&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga8378b3901dfe76d8f31728a50e10dae2">ARM_Storage_GetCapabilities</a> (void)</td></tr>
211 <tr class="memdesc:ga8378b3901dfe76d8f31728a50e10dae2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get driver capabilities.  <br /></td></tr>
212 <tr class="separator:ga8378b3901dfe76d8f31728a50e10dae2"><td class="memSeparator" colspan="2">&#160;</td></tr>
213 <tr class="memitem:gacc5dc090a35ac16caff8957030eaa174"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#gacc5dc090a35ac16caff8957030eaa174">ARM_Storage_Initialize</a> (<a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a> callback)</td></tr>
214 <tr class="memdesc:gacc5dc090a35ac16caff8957030eaa174"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialize the Storage interface.  <br /></td></tr>
215 <tr class="separator:gacc5dc090a35ac16caff8957030eaa174"><td class="memSeparator" colspan="2">&#160;</td></tr>
216 <tr class="memitem:ga1d14b15ddcda2836c6e3c1d0b5e60dca"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga1d14b15ddcda2836c6e3c1d0b5e60dca">ARM_Storage_Uninitialize</a> (void)</td></tr>
217 <tr class="memdesc:ga1d14b15ddcda2836c6e3c1d0b5e60dca"><td class="mdescLeft">&#160;</td><td class="mdescRight">De-initialize the Storage Interface.  <br /></td></tr>
218 <tr class="separator:ga1d14b15ddcda2836c6e3c1d0b5e60dca"><td class="memSeparator" colspan="2">&#160;</td></tr>
219 <tr class="memitem:ga979a2484bf05b2986de95a5d98307d54"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga979a2484bf05b2986de95a5d98307d54">ARM_Storage_PowerControl</a> (<a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">ARM_POWER_STATE</a> state)</td></tr>
220 <tr class="memdesc:ga979a2484bf05b2986de95a5d98307d54"><td class="mdescLeft">&#160;</td><td class="mdescRight">Control the Storage interface power.  <br /></td></tr>
221 <tr class="separator:ga979a2484bf05b2986de95a5d98307d54"><td class="memSeparator" colspan="2">&#160;</td></tr>
222 <tr class="memitem:gabaa24553c165add98020434c980b3ab4"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#gabaa24553c165add98020434c980b3ab4">ARM_Storage_ReadData</a> (uint64_t addr, void *data, uint32_t size)</td></tr>
223 <tr class="memdesc:gabaa24553c165add98020434c980b3ab4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read data from Storage.  <br /></td></tr>
224 <tr class="separator:gabaa24553c165add98020434c980b3ab4"><td class="memSeparator" colspan="2">&#160;</td></tr>
225 <tr class="memitem:gabd20d561854c06918b0515b6c1bba230"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#gabd20d561854c06918b0515b6c1bba230">ARM_Storage_ProgramData</a> (uint64_t addr, const void *data, uint32_t size)</td></tr>
226 <tr class="memdesc:gabd20d561854c06918b0515b6c1bba230"><td class="mdescLeft">&#160;</td><td class="mdescRight">Program data to Storage.  <br /></td></tr>
227 <tr class="separator:gabd20d561854c06918b0515b6c1bba230"><td class="memSeparator" colspan="2">&#160;</td></tr>
228 <tr class="memitem:gaceef4851d9181cce65c8b2d05f4429bc"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#gaceef4851d9181cce65c8b2d05f4429bc">ARM_Storage_Erase</a> (uint64_t addr, uint32_t size)</td></tr>
229 <tr class="memdesc:gaceef4851d9181cce65c8b2d05f4429bc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Erase Storage range.  <br /></td></tr>
230 <tr class="separator:gaceef4851d9181cce65c8b2d05f4429bc"><td class="memSeparator" colspan="2">&#160;</td></tr>
231 <tr class="memitem:ga04e77387a3c628d6fc661e82f7daddaa"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga04e77387a3c628d6fc661e82f7daddaa">ARM_Storage_EraseAll</a> (void)</td></tr>
232 <tr class="memdesc:ga04e77387a3c628d6fc661e82f7daddaa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Erase complete Storage.  <br /></td></tr>
233 <tr class="separator:ga04e77387a3c628d6fc661e82f7daddaa"><td class="memSeparator" colspan="2">&#160;</td></tr>
234 <tr class="memitem:ga29e7bfe78f41abb16973bdb4e0188a20"><td class="memItemLeft" align="right" valign="top">ARM_Storage_STATUS&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga29e7bfe78f41abb16973bdb4e0188a20">ARM_Storage_GetStatus</a> (void)</td></tr>
235 <tr class="memdesc:ga29e7bfe78f41abb16973bdb4e0188a20"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get Storage status.  <br /></td></tr>
236 <tr class="separator:ga29e7bfe78f41abb16973bdb4e0188a20"><td class="memSeparator" colspan="2">&#160;</td></tr>
237 <tr class="memitem:gad557e8e6e33cd4528d398ecf4dddc747"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#gad557e8e6e33cd4528d398ecf4dddc747">ARM_Storage_GetInfo</a> (<a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a> *info)</td></tr>
238 <tr class="memdesc:gad557e8e6e33cd4528d398ecf4dddc747"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get Storage information.  <br /></td></tr>
239 <tr class="separator:gad557e8e6e33cd4528d398ecf4dddc747"><td class="memSeparator" colspan="2">&#160;</td></tr>
240 <tr class="memitem:ga5a1934750a51c74b8b0fea52588a3b9a"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga5a1934750a51c74b8b0fea52588a3b9a">ARM_Storage_ResolveAddress</a> (uint64_t addr)</td></tr>
241 <tr class="memdesc:ga5a1934750a51c74b8b0fea52588a3b9a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Resolve an address relative to the storage controller into a memory address.  <br /></td></tr>
242 <tr class="separator:ga5a1934750a51c74b8b0fea52588a3b9a"><td class="memSeparator" colspan="2">&#160;</td></tr>
243 <tr class="memitem:gad318f8cb38626cbeea1fcf36a0977c44"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#gad318f8cb38626cbeea1fcf36a0977c44">ARM_Storage_GetNextBlock</a> (const <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *prev_block, <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *next_block)</td></tr>
244 <tr class="memdesc:gad318f8cb38626cbeea1fcf36a0977c44"><td class="mdescLeft">&#160;</td><td class="mdescRight">Advance to the successor of the current block (iterator).  <br /></td></tr>
245 <tr class="separator:gad318f8cb38626cbeea1fcf36a0977c44"><td class="memSeparator" colspan="2">&#160;</td></tr>
246 <tr class="memitem:ga5fe9d27ce8afe65124dec62566114073"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ga5fe9d27ce8afe65124dec62566114073">ARM_Storage_GetBlock</a> (uint64_t addr, <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *block)</td></tr>
247 <tr class="memdesc:ga5fe9d27ce8afe65124dec62566114073"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find the storage block (iterator) encompassing a given storage address.  <br /></td></tr>
248 <tr class="separator:ga5fe9d27ce8afe65124dec62566114073"><td class="memSeparator" colspan="2">&#160;</td></tr>
249 </table>
250 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
251 <p>Driver API for Storage Device Interface (Driver_Storage.h) </p>
252 <p>This is an abstraction for a storage controller. It offers an interface to access an address space of storage locations, comprising APIs for initialization, erase, access, program, and status-fetch operations. It also offers APIs to iterate over the available Storage Blocks (<a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a>), allowing the discovery of block attributes such as write/erase granularities. Using the Storage abstraction, it becomes possible to write generic algorithms, such as block copy, to operate on any conforming storage device.</p>
253 <dl class="section note"><dt>Note</dt><dd>The storage abstraction layer is not responsible for storage management. Algorithms such as block-allocation, wear-leveling, erase-before-write and other storage-management policies are the responsibility of modules external to the storage abstraction layer. In essence, the storage interface is the lowest abstraction upon which block management policies can be implemented.</dd></dl>
254 <p>Here's a picture to help locate the storage abstraction in the software stack. The part below the box labeled 'Storage abstraction layer' is implemented by a storage driver.</p>
255 <div class="image">
256 <img src="storage_sw_stack.png" alt=""/>
257 </div>
258 <p><b>Storage API</b></p>
259 <p>The following header files define the Application Programming Interface (API) for the Flash interface:</p><ul>
260 <li><b>Driver_Storage.h</b> : Driver API for Storage Device Interface</li>
261 </ul>
262 <p><b>Driver Functions</b></p>
263 <p>The driver functions are published in the access struct as explained in <a class="el" href="group__StorageDriverFunctions.html">Use of Storage APIs</a></p><ul>
264 <li><a class="el" href="group__storage__interface__gr.html#structARM__DRIVER__STORAGE">ARM_DRIVER_STORAGE</a> : access struct for Storage driver functions</li>
265 </ul>
266 <p>A sample use for the driver can be found at: <a class="el" href="group__SampleUseOfStorageDriver.html">Sample Use of Storage Driver</a> </p>
267 <hr/><h2 class="groupheader">Data Structure Documentation</h2>
268 <a name="structARM__STORAGE__BLOCK__ATTRIBUTES" id="structARM__STORAGE__BLOCK__ATTRIBUTES"></a>
269 <h2 class="memtitle"><span class="permalink"><a href="#structARM__STORAGE__BLOCK__ATTRIBUTES">&#9670;&#160;</a></span>ARM_STORAGE_BLOCK_ATTRIBUTES</h2>
270
271 <div class="memitem">
272 <div class="memproto">
273       <table class="memname">
274         <tr>
275           <td class="memname">struct ARM_STORAGE_BLOCK_ATTRIBUTES</td>
276         </tr>
277       </table>
278 </div><div class="memdoc">
279 <div class="textblock"><p>Attributes of the storage range within a storage block. </p>
280 <p><b>Contained in:</b></p><ul>
281 <li><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> </li>
282 </ul>
283 </div><table class="fieldtable">
284 <tr><th colspan="3">Data Fields</th></tr>
285 <tr><td class="fieldtype">
286 <a id="ab350afb2119388ebd3f096bd24f019ef" name="ab350afb2119388ebd3f096bd24f019ef"></a>uint32_t</td>
287 <td class="fieldname">
288 erasable: 1</td>
289 <td class="fielddoc">
290 Erasing blocks is permitted with a minimum granularity of 'erase_unit'. <dl class="section note"><dt>Note</dt><dd>if 'erasable' is 0 (i.e. the 'erase' operation isn't available) then 'erase_unit' (see below) is immaterial and should be 0. </dd></dl>
291 </td></tr>
292 <tr><td class="fieldtype">
293 <a id="a7f4aebaeeb818b0e2a0592f96559fa1b" name="a7f4aebaeeb818b0e2a0592f96559fa1b"></a>uint32_t</td>
294 <td class="fieldname">
295 programmable: 1</td>
296 <td class="fielddoc">
297 Writing to ranges is permitted with a minimum granularity of 'program_unit'. Writes are typically achieved through the ProgramData operation (following an erase); if storage isn't erasable (see 'erasable' above) but is memory-mapped (i.e. 'memory_mapped'), it can be written directly using memory-store operations. </td></tr>
298 <tr><td class="fieldtype">
299 <a id="a910da8e2e909faab1d32cca7f8b05656" name="a910da8e2e909faab1d32cca7f8b05656"></a>uint32_t</td>
300 <td class="fieldname">
301 executable: 1</td>
302 <td class="fielddoc">
303 This storage block can hold program data; the processor can fetch and execute code sourced from it. Often this is accompanied with the device being 'memory_mapped' (see <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>). </td></tr>
304 <tr><td class="fieldtype">
305 <a id="a7c8899f46a471e1b7698a75a759e67c1" name="a7c8899f46a471e1b7698a75a759e67c1"></a>uint32_t</td>
306 <td class="fieldname">
307 protectable: 1</td>
308 <td class="fielddoc">
309 The entire block can be protected from program and erase operations. Once protection is enabled for a block, its 'erasable' and 'programmable' bits are turned off. </td></tr>
310 <tr><td class="fieldtype">
311 <a id="aa43c4c21b173ada1b6b7568956f0d650" name="aa43c4c21b173ada1b6b7568956f0d650"></a>uint32_t</td>
312 <td class="fieldname">
313 reserved: 28</td>
314 <td class="fielddoc">
315 </td></tr>
316 <tr><td class="fieldtype">
317 <a id="aac21d3f798c9fcad415b99cf4157935a" name="aac21d3f798c9fcad415b99cf4157935a"></a>uint32_t</td>
318 <td class="fieldname">
319 erase_unit</td>
320 <td class="fielddoc">
321 Minimum erase size in bytes. The offset of the start of the erase-range should also be aligned with this value. Applicable if the 'erasable' attribute is set for the block. <dl class="section note"><dt>Note</dt><dd>if 'erasable' (see above) is 0 (i.e. the 'erase' operation isn't available) then 'erase_unit' is immaterial and should be 0. </dd></dl>
322 </td></tr>
323 <tr><td class="fieldtype">
324 <a id="ae319384dfb356cbb0b08ccbf8c04a590" name="ae319384dfb356cbb0b08ccbf8c04a590"></a>uint32_t</td>
325 <td class="fieldname">
326 protection_unit</td>
327 <td class="fielddoc">
328 Minimum protectable size in bytes. Applicable if the 'protectable' attribute is set for the block. This should be a divisor of the block's size. A block can be considered to be made up of consecutive, individually-protectable fragments. </td></tr>
329 </table>
330
331 </div>
332 </div>
333 <a name="structARM__STORAGE__BLOCK" id="structARM__STORAGE__BLOCK"></a>
334 <h2 class="memtitle"><span class="permalink"><a href="#structARM__STORAGE__BLOCK">&#9670;&#160;</a></span>ARM_STORAGE_BLOCK</h2>
335
336 <div class="memitem">
337 <div class="memproto">
338       <table class="memname">
339         <tr>
340           <td class="memname">struct ARM_STORAGE_BLOCK</td>
341         </tr>
342       </table>
343 </div><div class="memdoc">
344 <div class="textblock"><p>A storage block is a range of memory with uniform attributes. </p>
345 <p>Storage blocks combine to make up the address map of a storage controller. </p>
346 </div><table class="fieldtable">
347 <tr><th colspan="3">Data Fields</th></tr>
348 <tr><td class="fieldtype">
349 <a id="a0e89cf6b9f6cd3125470b1bed2b823df" name="a0e89cf6b9f6cd3125470b1bed2b823df"></a>uint64_t</td>
350 <td class="fieldname">
351 addr</td>
352 <td class="fielddoc">
353 This is the start address of the storage block. It is expressed as an offset from the start of the storage map maintained by the owning storage controller. </td></tr>
354 <tr><td class="fieldtype">
355 <a id="af931a8871310b4dad23f0f0b0f623560" name="af931a8871310b4dad23f0f0b0f623560"></a>uint64_t</td>
356 <td class="fieldname">
357 size</td>
358 <td class="fielddoc">
359 This is the size of the storage block, in units of bytes. Together with addr, it describes a range [addr, addr+size). </td></tr>
360 <tr><td class="fieldtype">
361 <a id="ade62c905888479b4f6d078d45cec5830" name="ade62c905888479b4f6d078d45cec5830"></a><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK__ATTRIBUTES">ARM_STORAGE_BLOCK_ATTRIBUTES</a></td>
362 <td class="fieldname">
363 attributes</td>
364 <td class="fielddoc">
365 Attributes for this block. </td></tr>
366 </table>
367
368 </div>
369 </div>
370 <a name="structARM__STORAGE__INFO" id="structARM__STORAGE__INFO"></a>
371 <h2 class="memtitle"><span class="permalink"><a href="#structARM__STORAGE__INFO">&#9670;&#160;</a></span>ARM_STORAGE_INFO</h2>
372
373 <div class="memitem">
374 <div class="memproto">
375       <table class="memname">
376         <tr>
377           <td class="memname">struct ARM_STORAGE_INFO</td>
378         </tr>
379       </table>
380 </div><div class="memdoc">
381 <div class="textblock"><p>Device level metadata regarding the Storage implementation.</p>
382 <p>It describes the characteristics of a Storage device. This includes total storage, programming size, a default value for erased memory etc. This information can be obtained from the Storage device datasheet and is used by the middleware in order to properly interact with the Storage device.</p>
383 <p>Total available storage (in bytes) is contained in <em>total_storage</em>. Minimum programming size (in bytes) is described by <em>program_unit</em> (applicable only if the <em>programmable</em> attribute is set for a block). It defines the granularity for programming data. The offset of the start of a program-range and the size should also be aligned with <em>program_unit</em>. </p><dl class="section note"><dt>Note</dt><dd>: setting <em>program_unit</em> to 0 has the effect of disabling the size and alignment restrictions (setting it to 1 also has the same effect).</dd></dl>
384 <p>Optimal programming page-size (in bytes) is specified by <em>optimal_program_unit</em>. Some storage controllers have internal buffers into which to receive data. Writing in chunks of <em>optimal_program_unit</em> would achieve maximum programming speed. Like with <em>program_unit</em>, this is applicable only if the <em>programmable</em> attribute is set for the underlying storage block(s).</p>
385 <p><em>program_cycles</em> is a measure of endurance for reprogramming. A value of <em>ARM_STORAGE_PROGRAM_CYCLES_INFINITE</em> may be used to signify infinite or unknown endurance.</p>
386 <p>Contents of erased memory is specified by the <em>erased_value</em>. It is usually <span class="XML-Token">1</span> to indicate erased bytes with state 0xFF.</p>
387 <p><em>memory_mapped</em> can be set to <span class="XML-Token">1</span> to indicate that the storage device has a mapping onto the processor's memory address space. </p><dl class="section note"><dt>Note</dt><dd>: For a memory-mapped block which isn't erasable but is programmable, writes should be possible directly to the memory-mapped storage without going through the <a class="el" href="group__storage__interface__gr.html#gabd20d561854c06918b0515b6c1bba230">ARM_Storage_ProgramData</a> operation.</dd></dl>
388 <p>The field <em>programmability</em> holds a value to indicate storage programmability. Similarly, <em>retention_level</em> holds a for encoding data-retention levels for all storage blocks.</p>
389 <dl class="section note"><dt>Note</dt><dd>These fields serve a different purpose than the ones contained in <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a>, which is another structure containing device-level metadata. <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES" title="Storage Driver API Capabilities.">ARM_STORAGE_CAPABILITIES</a> describes the API capabilities, whereas <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a> describes the device. Furthermore <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES" title="Storage Driver API Capabilities.">ARM_STORAGE_CAPABILITIES</a> fits within a single word, and is designed to be passed around by value; <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>, on the other hand, contains metadata which doesn't fit into a single word and requires the use of pointers to be moved around.</dd></dl>
390 <p><b>Returned by:</b></p><ul>
391 <li><a class="el" href="group__storage__interface__gr.html#gad557e8e6e33cd4528d398ecf4dddc747">ARM_Storage_GetInfo</a> </li>
392 </ul>
393 </div><table class="fieldtable">
394 <tr><th colspan="3">Data Fields</th></tr>
395 <tr><td class="fieldtype">
396 <a id="a4b14ce1ca2ceea5ce49e81348c5b38f6" name="a4b14ce1ca2ceea5ce49e81348c5b38f6"></a>uint64_t</td>
397 <td class="fieldname">
398 total_storage</td>
399 <td class="fielddoc">
400 Total available storage, in bytes. </td></tr>
401 <tr><td class="fieldtype">
402 <a id="a483c41066757e2865bf3a27a2a627a54" name="a483c41066757e2865bf3a27a2a627a54"></a>uint32_t</td>
403 <td class="fieldname">
404 program_unit</td>
405 <td class="fielddoc">
406 Minimum programming size in bytes. The offset of the start of the program-range should also be aligned with this value. Applicable only if the 'programmable' attribute is set for a block. <dl class="section note"><dt>Note</dt><dd>setting program_unit to 0 has the effect of disabling the size and alignment restrictions (setting it to 1 also has the same effect). </dd></dl>
407 </td></tr>
408 <tr><td class="fieldtype">
409 <a id="a407e16dc7e4da08cea7785efeebd9b6d" name="a407e16dc7e4da08cea7785efeebd9b6d"></a>uint32_t</td>
410 <td class="fieldname">
411 optimal_program_unit</td>
412 <td class="fielddoc">
413 Optimal programming page-size in bytes. Some storage controllers have internal buffers into which to receive data. Writing in chunks of 'optimal_program_unit' would achieve maximum programming speed. Applicable only if the 'programmable' attribute is set for the underlying block(s). </td></tr>
414 <tr><td class="fieldtype">
415 <a id="ac501623ba5adb4904cdd6c286e7388eb" name="ac501623ba5adb4904cdd6c286e7388eb"></a>uint32_t</td>
416 <td class="fieldname">
417 program_cycles</td>
418 <td class="fielddoc">
419 A measure of endurance for reprogramming. Use ARM_STORAGE_PROGRAM_CYCLES_INFINITE for infinite or unknown endurance. </td></tr>
420 <tr><td class="fieldtype">
421 <a id="a902510dbedab116ab6a260a83fbd0f27" name="a902510dbedab116ab6a260a83fbd0f27"></a>uint32_t</td>
422 <td class="fieldname">
423 erased_value: 1</td>
424 <td class="fielddoc">
425 Contents of erased memory (usually 1 to indicate erased bytes with state 0xFF). </td></tr>
426 <tr><td class="fieldtype">
427 <a id="a616b41da466430ed481d791e63784f0c" name="a616b41da466430ed481d791e63784f0c"></a>uint32_t</td>
428 <td class="fieldname">
429 memory_mapped: 1</td>
430 <td class="fielddoc">
431 This storage device has a mapping onto the processor's memory address space. <dl class="section note"><dt>Note</dt><dd>For a memory-mapped block which isn't erasable but is programmable (i.e. if 'erasable' is set to 0, but 'programmable' is 1), writes should be possible directly to the memory-mapped storage without going through the ProgramData operation. </dd></dl>
432 </td></tr>
433 <tr><td class="fieldtype">
434 <a id="aac0da06bf0775bd9b877aafbc4bcad77" name="aac0da06bf0775bd9b877aafbc4bcad77"></a>uint32_t</td>
435 <td class="fieldname">
436 programmability: 4</td>
437 <td class="fielddoc">
438 A value to indicate storage programmability. </td></tr>
439 <tr><td class="fieldtype">
440 <a id="a16d1a2aead689ffa28fd89cb6779e5a7" name="a16d1a2aead689ffa28fd89cb6779e5a7"></a>uint32_t</td>
441 <td class="fieldname">
442 retention_level: 4</td>
443 <td class="fielddoc">
444 </td></tr>
445 <tr><td class="fieldtype">
446 <a id="aa43c4c21b173ada1b6b7568956f0d650" name="aa43c4c21b173ada1b6b7568956f0d650"></a>uint32_t</td>
447 <td class="fieldname">
448 reserved: 22</td>
449 <td class="fielddoc">
450 </td></tr>
451 <tr><td class="fieldtype">
452 <a id="aee43dd20848f45fe05efc10a8198817a" name="aee43dd20848f45fe05efc10a8198817a"></a><a class="el" href="Driver__Storage_8h.html#structARM__STORAGE__SECURITY__FEATURES">ARM_STORAGE_SECURITY_FEATURES</a></td>
453 <td class="fieldname">
454 security</td>
455 <td class="fielddoc">
456 <a class="el" href="Driver__Storage_8h.html#structARM__STORAGE__SECURITY__FEATURES">ARM_STORAGE_SECURITY_FEATURES</a> </td></tr>
457 </table>
458
459 </div>
460 </div>
461 <a name="structARM__DRIVER__STORAGE" id="structARM__DRIVER__STORAGE"></a>
462 <h2 class="memtitle"><span class="permalink"><a href="#structARM__DRIVER__STORAGE">&#9670;&#160;</a></span>ARM_DRIVER_STORAGE</h2>
463
464 <div class="memitem">
465 <div class="memproto">
466       <table class="memname">
467         <tr>
468           <td class="memname">struct ARM_DRIVER_STORAGE</td>
469         </tr>
470       </table>
471 </div><div class="memdoc">
472 <div class="textblock"><p>The set of operations constituting the Storage driver.</p>
473 <p>This is the set of operations constituting the Storage driver. Their implementation is platform-specific, and needs to be supplied by the porting effort. The functions of the Storage driver are accessed by function pointers exposed by this structure. Refer to <a class="el" href="group__StorageDriverFunctions.html">Use of Storage APIs</a> for overview information.</p>
474 <p>Each instance of a Storage interface provides such an access structure. The instance is identified by a postfix number in the symbol name of the access structure, for example:</p><ul>
475 <li><b>Driver_Storage0</b> is the name of the access struct of the first instance (no. 0).</li>
476 <li><b>Driver_Storage1</b> is the name of the access struct of the second instance (no. 1).</li>
477 </ul>
478 <p>A middleware configuration setting allows connecting the middleware to a specific driver instance <b>Driver_Flash<em>n</em></b>. The default is <span class="XML-Token">0</span>, which connects a middleware to the first instance of a driver. </p>
479 </div><table class="memberdecls">
480 <tr><td colspan="2"><h3>Data Fields</h3></td></tr>
481 <tr class="memitem:a30afd9cb3113c037b5f1926f5ef93b59"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a30afd9cb3113c037b5f1926f5ef93b59">GetVersion</a> )(void)</td></tr>
482 <tr class="memdesc:a30afd9cb3113c037b5f1926f5ef93b59"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#gaf28193431b1a2ee64b22bfb36aed27e3">ARM_Storage_GetVersion</a> : Get driver version.  <br /></td></tr>
483 <tr class="separator:a30afd9cb3113c037b5f1926f5ef93b59"><td class="memSeparator" colspan="2">&#160;</td></tr>
484 <tr class="memitem:ab3064f39b3c42cd63367312505328f29"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ab3064f39b3c42cd63367312505328f29">GetCapabilities</a> )(void)</td></tr>
485 <tr class="memdesc:ab3064f39b3c42cd63367312505328f29"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#ga8378b3901dfe76d8f31728a50e10dae2">ARM_Storage_GetCapabilities</a> : Get driver capabilities.  <br /></td></tr>
486 <tr class="separator:ab3064f39b3c42cd63367312505328f29"><td class="memSeparator" colspan="2">&#160;</td></tr>
487 <tr class="memitem:a5b5455a05b9291a17e9f2c0b3d2736ef"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a5b5455a05b9291a17e9f2c0b3d2736ef">Initialize</a> )(<a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a> callback)</td></tr>
488 <tr class="memdesc:a5b5455a05b9291a17e9f2c0b3d2736ef"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#gacc5dc090a35ac16caff8957030eaa174">ARM_Storage_Initialize</a> : Initialize the Storage Interface.  <br /></td></tr>
489 <tr class="separator:a5b5455a05b9291a17e9f2c0b3d2736ef"><td class="memSeparator" colspan="2">&#160;</td></tr>
490 <tr class="memitem:a5ce2b3d7a3a07099bf07d1eb253e92e3"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a5ce2b3d7a3a07099bf07d1eb253e92e3">Uninitialize</a> )(void)</td></tr>
491 <tr class="memdesc:a5ce2b3d7a3a07099bf07d1eb253e92e3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#ga1d14b15ddcda2836c6e3c1d0b5e60dca">ARM_Storage_Uninitialize</a> : De-initialize the Storage Interface.  <br /></td></tr>
492 <tr class="separator:a5ce2b3d7a3a07099bf07d1eb253e92e3"><td class="memSeparator" colspan="2">&#160;</td></tr>
493 <tr class="memitem:a24ebae5c6011631f76027f9a16eaf5ce"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a24ebae5c6011631f76027f9a16eaf5ce">PowerControl</a> )(<a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">ARM_POWER_STATE</a> state)</td></tr>
494 <tr class="memdesc:a24ebae5c6011631f76027f9a16eaf5ce"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#ga979a2484bf05b2986de95a5d98307d54">ARM_Storage_PowerControl</a> : Control the Storage interface power.  <br /></td></tr>
495 <tr class="separator:a24ebae5c6011631f76027f9a16eaf5ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
496 <tr class="memitem:aac7475b53f1356448c7312c39aa61026"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#aac7475b53f1356448c7312c39aa61026">ReadData</a> )(uint64_t addr, void *data, uint32_t size)</td></tr>
497 <tr class="memdesc:aac7475b53f1356448c7312c39aa61026"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#gabaa24553c165add98020434c980b3ab4">ARM_Storage_ReadData</a> : Read data from Storage.  <br /></td></tr>
498 <tr class="separator:aac7475b53f1356448c7312c39aa61026"><td class="memSeparator" colspan="2">&#160;</td></tr>
499 <tr class="memitem:a2055be24b59b4a6158761eff33a561c1"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a2055be24b59b4a6158761eff33a561c1">ProgramData</a> )(uint64_t addr, const void *data, uint32_t size)</td></tr>
500 <tr class="memdesc:a2055be24b59b4a6158761eff33a561c1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#gabd20d561854c06918b0515b6c1bba230">ARM_Storage_ProgramData</a> : Program data to Storage.  <br /></td></tr>
501 <tr class="separator:a2055be24b59b4a6158761eff33a561c1"><td class="memSeparator" colspan="2">&#160;</td></tr>
502 <tr class="memitem:a009c6f0bb746592a53ddcfd562a559b0"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a009c6f0bb746592a53ddcfd562a559b0">Erase</a> )(uint64_t addr, uint32_t size)</td></tr>
503 <tr class="memdesc:a009c6f0bb746592a53ddcfd562a559b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#gaceef4851d9181cce65c8b2d05f4429bc">ARM_Storage_Erase</a> : Erase Storage range.  <br /></td></tr>
504 <tr class="separator:a009c6f0bb746592a53ddcfd562a559b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
505 <tr class="memitem:ae1c3482cb5e2e25acfdd267115952dff"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#ae1c3482cb5e2e25acfdd267115952dff">EraseAll</a> )(void)</td></tr>
506 <tr class="memdesc:ae1c3482cb5e2e25acfdd267115952dff"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#ga04e77387a3c628d6fc661e82f7daddaa">ARM_Storage_EraseAll</a> : Erase complete Storage.  <br /></td></tr>
507 <tr class="separator:ae1c3482cb5e2e25acfdd267115952dff"><td class="memSeparator" colspan="2">&#160;</td></tr>
508 <tr class="memitem:adc7b76311326ab2ac4c01a0177435652"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__STATUS">ARM_STORAGE_STATUS</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#adc7b76311326ab2ac4c01a0177435652">GetStatus</a> )(void)</td></tr>
509 <tr class="memdesc:adc7b76311326ab2ac4c01a0177435652"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#ga29e7bfe78f41abb16973bdb4e0188a20">ARM_Storage_GetStatus</a> : Get Storage status.  <br /></td></tr>
510 <tr class="separator:adc7b76311326ab2ac4c01a0177435652"><td class="memSeparator" colspan="2">&#160;</td></tr>
511 <tr class="memitem:a7d5f56f1d7ca98ecc812a32d0a610b77"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a7d5f56f1d7ca98ecc812a32d0a610b77">GetInfo</a> )(<a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a> *info)</td></tr>
512 <tr class="memdesc:a7d5f56f1d7ca98ecc812a32d0a610b77"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#gad557e8e6e33cd4528d398ecf4dddc747">ARM_Storage_GetInfo</a> : Get Storage information.  <br /></td></tr>
513 <tr class="separator:a7d5f56f1d7ca98ecc812a32d0a610b77"><td class="memSeparator" colspan="2">&#160;</td></tr>
514 <tr class="memitem:a974a1edf42132d42beccc9819417307b"><td class="memItemLeft" align="right" valign="top">uint32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a974a1edf42132d42beccc9819417307b">ResolveAddress</a> )(uint64_t addr)</td></tr>
515 <tr class="memdesc:a974a1edf42132d42beccc9819417307b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#ga5a1934750a51c74b8b0fea52588a3b9a">ARM_Storage_ResolveAddress</a> : Resolve a storage address.  <br /></td></tr>
516 <tr class="separator:a974a1edf42132d42beccc9819417307b"><td class="memSeparator" colspan="2">&#160;</td></tr>
517 <tr class="memitem:a4ced44f1c827e05343481c4e56334a2b"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a4ced44f1c827e05343481c4e56334a2b">GetNextBlock</a> )(const <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *prev, <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *next)</td></tr>
518 <tr class="memdesc:a4ced44f1c827e05343481c4e56334a2b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#gad318f8cb38626cbeea1fcf36a0977c44">ARM_Storage_GetNextBlock</a> : fetch successor for current block.  <br /></td></tr>
519 <tr class="separator:a4ced44f1c827e05343481c4e56334a2b"><td class="memSeparator" colspan="2">&#160;</td></tr>
520 <tr class="memitem:a9c4453c1475a2be86b445d4e65513a55"><td class="memItemLeft" align="right" valign="top">int32_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__storage__interface__gr.html#a9c4453c1475a2be86b445d4e65513a55">GetBlock</a> )(uint64_t addr, <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *block)</td></tr>
521 <tr class="memdesc:a9c4453c1475a2be86b445d4e65513a55"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to <a class="el" href="group__storage__interface__gr.html#ga5fe9d27ce8afe65124dec62566114073">ARM_Storage_GetBlock</a> :  <br /></td></tr>
522 <tr class="separator:a9c4453c1475a2be86b445d4e65513a55"><td class="memSeparator" colspan="2">&#160;</td></tr>
523 </table>
524 <h4 class="groupheader">Field Documentation</h4>
525 <a id="a30afd9cb3113c037b5f1926f5ef93b59" name="a30afd9cb3113c037b5f1926f5ef93b59"></a>
526 <h2 class="memtitle"><span class="permalink"><a href="#a30afd9cb3113c037b5f1926f5ef93b59">&#9670;&#160;</a></span>GetVersion</h2>
527
528 <div class="memitem">
529 <div class="memproto">
530       <table class="memname">
531         <tr>
532           <td class="memname"><a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a>(* GetVersion) (void)</td>
533         </tr>
534       </table>
535 </div><div class="memdoc">
536
537 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#gaf28193431b1a2ee64b22bfb36aed27e3">ARM_Storage_GetVersion</a> : Get driver version. </p>
538
539 </div>
540 </div>
541 <a id="ab3064f39b3c42cd63367312505328f29" name="ab3064f39b3c42cd63367312505328f29"></a>
542 <h2 class="memtitle"><span class="permalink"><a href="#ab3064f39b3c42cd63367312505328f29">&#9670;&#160;</a></span>GetCapabilities</h2>
543
544 <div class="memitem">
545 <div class="memproto">
546       <table class="memname">
547         <tr>
548           <td class="memname"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a>(* GetCapabilities) (void)</td>
549         </tr>
550       </table>
551 </div><div class="memdoc">
552
553 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#ga8378b3901dfe76d8f31728a50e10dae2">ARM_Storage_GetCapabilities</a> : Get driver capabilities. </p>
554
555 </div>
556 </div>
557 <a id="a5b5455a05b9291a17e9f2c0b3d2736ef" name="a5b5455a05b9291a17e9f2c0b3d2736ef"></a>
558 <h2 class="memtitle"><span class="permalink"><a href="#a5b5455a05b9291a17e9f2c0b3d2736ef">&#9670;&#160;</a></span>Initialize</h2>
559
560 <div class="memitem">
561 <div class="memproto">
562       <table class="memname">
563         <tr>
564           <td class="memname">int32_t(* Initialize) (<a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a> callback)</td>
565         </tr>
566       </table>
567 </div><div class="memdoc">
568
569 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#gacc5dc090a35ac16caff8957030eaa174">ARM_Storage_Initialize</a> : Initialize the Storage Interface. </p>
570
571 </div>
572 </div>
573 <a id="a5ce2b3d7a3a07099bf07d1eb253e92e3" name="a5ce2b3d7a3a07099bf07d1eb253e92e3"></a>
574 <h2 class="memtitle"><span class="permalink"><a href="#a5ce2b3d7a3a07099bf07d1eb253e92e3">&#9670;&#160;</a></span>Uninitialize</h2>
575
576 <div class="memitem">
577 <div class="memproto">
578       <table class="memname">
579         <tr>
580           <td class="memname">int32_t(* Uninitialize) (void)</td>
581         </tr>
582       </table>
583 </div><div class="memdoc">
584
585 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#ga1d14b15ddcda2836c6e3c1d0b5e60dca">ARM_Storage_Uninitialize</a> : De-initialize the Storage Interface. </p>
586
587 </div>
588 </div>
589 <a id="a24ebae5c6011631f76027f9a16eaf5ce" name="a24ebae5c6011631f76027f9a16eaf5ce"></a>
590 <h2 class="memtitle"><span class="permalink"><a href="#a24ebae5c6011631f76027f9a16eaf5ce">&#9670;&#160;</a></span>PowerControl</h2>
591
592 <div class="memitem">
593 <div class="memproto">
594       <table class="memname">
595         <tr>
596           <td class="memname">int32_t(* PowerControl) (<a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">ARM_POWER_STATE</a> state)</td>
597         </tr>
598       </table>
599 </div><div class="memdoc">
600
601 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#ga979a2484bf05b2986de95a5d98307d54">ARM_Storage_PowerControl</a> : Control the Storage interface power. </p>
602
603 </div>
604 </div>
605 <a id="aac7475b53f1356448c7312c39aa61026" name="aac7475b53f1356448c7312c39aa61026"></a>
606 <h2 class="memtitle"><span class="permalink"><a href="#aac7475b53f1356448c7312c39aa61026">&#9670;&#160;</a></span>ReadData</h2>
607
608 <div class="memitem">
609 <div class="memproto">
610       <table class="memname">
611         <tr>
612           <td class="memname">int32_t(* ReadData) (uint64_t addr, void *data, uint32_t size)</td>
613         </tr>
614       </table>
615 </div><div class="memdoc">
616
617 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#gabaa24553c165add98020434c980b3ab4">ARM_Storage_ReadData</a> : Read data from Storage. </p>
618
619 </div>
620 </div>
621 <a id="a2055be24b59b4a6158761eff33a561c1" name="a2055be24b59b4a6158761eff33a561c1"></a>
622 <h2 class="memtitle"><span class="permalink"><a href="#a2055be24b59b4a6158761eff33a561c1">&#9670;&#160;</a></span>ProgramData</h2>
623
624 <div class="memitem">
625 <div class="memproto">
626       <table class="memname">
627         <tr>
628           <td class="memname">int32_t(* ProgramData) (uint64_t addr, const void *data, uint32_t size)</td>
629         </tr>
630       </table>
631 </div><div class="memdoc">
632
633 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#gabd20d561854c06918b0515b6c1bba230">ARM_Storage_ProgramData</a> : Program data to Storage. </p>
634
635 </div>
636 </div>
637 <a id="a009c6f0bb746592a53ddcfd562a559b0" name="a009c6f0bb746592a53ddcfd562a559b0"></a>
638 <h2 class="memtitle"><span class="permalink"><a href="#a009c6f0bb746592a53ddcfd562a559b0">&#9670;&#160;</a></span>Erase</h2>
639
640 <div class="memitem">
641 <div class="memproto">
642       <table class="memname">
643         <tr>
644           <td class="memname">int32_t(* Erase) (uint64_t addr, uint32_t size)</td>
645         </tr>
646       </table>
647 </div><div class="memdoc">
648
649 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#gaceef4851d9181cce65c8b2d05f4429bc">ARM_Storage_Erase</a> : Erase Storage range. </p>
650
651 </div>
652 </div>
653 <a id="ae1c3482cb5e2e25acfdd267115952dff" name="ae1c3482cb5e2e25acfdd267115952dff"></a>
654 <h2 class="memtitle"><span class="permalink"><a href="#ae1c3482cb5e2e25acfdd267115952dff">&#9670;&#160;</a></span>EraseAll</h2>
655
656 <div class="memitem">
657 <div class="memproto">
658       <table class="memname">
659         <tr>
660           <td class="memname">int32_t(* EraseAll) (void)</td>
661         </tr>
662       </table>
663 </div><div class="memdoc">
664
665 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#ga04e77387a3c628d6fc661e82f7daddaa">ARM_Storage_EraseAll</a> : Erase complete Storage. </p>
666
667 </div>
668 </div>
669 <a id="adc7b76311326ab2ac4c01a0177435652" name="adc7b76311326ab2ac4c01a0177435652"></a>
670 <h2 class="memtitle"><span class="permalink"><a href="#adc7b76311326ab2ac4c01a0177435652">&#9670;&#160;</a></span>GetStatus</h2>
671
672 <div class="memitem">
673 <div class="memproto">
674       <table class="memname">
675         <tr>
676           <td class="memname"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__STATUS">ARM_STORAGE_STATUS</a>(* GetStatus) (void)</td>
677         </tr>
678       </table>
679 </div><div class="memdoc">
680
681 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#ga29e7bfe78f41abb16973bdb4e0188a20">ARM_Storage_GetStatus</a> : Get Storage status. </p>
682
683 </div>
684 </div>
685 <a id="a7d5f56f1d7ca98ecc812a32d0a610b77" name="a7d5f56f1d7ca98ecc812a32d0a610b77"></a>
686 <h2 class="memtitle"><span class="permalink"><a href="#a7d5f56f1d7ca98ecc812a32d0a610b77">&#9670;&#160;</a></span>GetInfo</h2>
687
688 <div class="memitem">
689 <div class="memproto">
690       <table class="memname">
691         <tr>
692           <td class="memname">int32_t(* GetInfo) (<a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a> *info)</td>
693         </tr>
694       </table>
695 </div><div class="memdoc">
696
697 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#gad557e8e6e33cd4528d398ecf4dddc747">ARM_Storage_GetInfo</a> : Get Storage information. </p>
698
699 </div>
700 </div>
701 <a id="a974a1edf42132d42beccc9819417307b" name="a974a1edf42132d42beccc9819417307b"></a>
702 <h2 class="memtitle"><span class="permalink"><a href="#a974a1edf42132d42beccc9819417307b">&#9670;&#160;</a></span>ResolveAddress</h2>
703
704 <div class="memitem">
705 <div class="memproto">
706       <table class="memname">
707         <tr>
708           <td class="memname">uint32_t(* ResolveAddress) (uint64_t addr)</td>
709         </tr>
710       </table>
711 </div><div class="memdoc">
712
713 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#ga5a1934750a51c74b8b0fea52588a3b9a">ARM_Storage_ResolveAddress</a> : Resolve a storage address. </p>
714
715 </div>
716 </div>
717 <a id="a4ced44f1c827e05343481c4e56334a2b" name="a4ced44f1c827e05343481c4e56334a2b"></a>
718 <h2 class="memtitle"><span class="permalink"><a href="#a4ced44f1c827e05343481c4e56334a2b">&#9670;&#160;</a></span>GetNextBlock</h2>
719
720 <div class="memitem">
721 <div class="memproto">
722       <table class="memname">
723         <tr>
724           <td class="memname">int32_t(* GetNextBlock) (const <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *prev, <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *next)</td>
725         </tr>
726       </table>
727 </div><div class="memdoc">
728
729 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#gad318f8cb38626cbeea1fcf36a0977c44">ARM_Storage_GetNextBlock</a> : fetch successor for current block. </p>
730
731 </div>
732 </div>
733 <a id="a9c4453c1475a2be86b445d4e65513a55" name="a9c4453c1475a2be86b445d4e65513a55"></a>
734 <h2 class="memtitle"><span class="permalink"><a href="#a9c4453c1475a2be86b445d4e65513a55">&#9670;&#160;</a></span>GetBlock</h2>
735
736 <div class="memitem">
737 <div class="memproto">
738       <table class="memname">
739         <tr>
740           <td class="memname">int32_t(* GetBlock) (uint64_t addr, <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *block)</td>
741         </tr>
742       </table>
743 </div><div class="memdoc">
744
745 <p>Pointer to <a class="el" href="group__storage__interface__gr.html#ga5fe9d27ce8afe65124dec62566114073">ARM_Storage_GetBlock</a> : </p>
746
747 </div>
748 </div>
749
750 </div>
751 </div>
752 <a name="structARM__STORAGE__CAPABILITIES" id="structARM__STORAGE__CAPABILITIES"></a>
753 <h2 class="memtitle"><span class="permalink"><a href="#structARM__STORAGE__CAPABILITIES">&#9670;&#160;</a></span>ARM_STORAGE_CAPABILITIES</h2>
754
755 <div class="memitem">
756 <div class="memproto">
757       <table class="memname">
758         <tr>
759           <td class="memname">struct ARM_STORAGE_CAPABILITIES</td>
760         </tr>
761       </table>
762 </div><div class="memdoc">
763 <div class="textblock"><p>Storage Driver API Capabilities. </p>
764 <p>A Storage driver can be implemented with different capabilities. The data fields of this struct encode the API capabilities implemented by this driver.</p>
765 <p>The element <em>asynchronous_ops</em> indicates if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode. Having this bit set to 1 means that the driver is capable of launching asynchronous operations; command completion for asynchronous operations is signaled by the invocation of a completion callback. If set to 1, drivers may still complete asynchronous operations synchronously as necessary&ndash;in which case they return a positive error code to indicate synchronous completion. If <em>asynchronous_ops</em> is not set, then all such APIs execute synchronously, and control returns to the caller with a status code only after the completion of the operation (or the discovery of a failure condition).</p>
766 <p>The element <em>erase_all</em> specifies that the <a class="el" href="group__storage__interface__gr.html#ga04e77387a3c628d6fc661e82f7daddaa">ARM_Storage_EraseAll</a> function is supported. Typically full chip erase is much faster than erasing the whole device using <em>ARM_Storage_Erase</em>.</p>
767 <p><b>Returned by:</b></p><ul>
768 <li><a class="el" href="group__storage__interface__gr.html#ga8378b3901dfe76d8f31728a50e10dae2">ARM_Storage_GetCapabilities</a></li>
769 </ul>
770 <dl class="section note"><dt>Note</dt><dd>This data structure is designed to fit within a single word so that it can be fetched cheaply using a call to driver-&gt;GetCapabilities(). </dd></dl>
771 </div><table class="fieldtable">
772 <tr><th colspan="3">Data Fields</th></tr>
773 <tr><td class="fieldtype">
774 <a id="a15ade4ca762bc6ce72d435a16febb4cc" name="a15ade4ca762bc6ce72d435a16febb4cc"></a>uint32_t</td>
775 <td class="fieldname">
776 asynchronous_ops: 1</td>
777 <td class="fielddoc">
778 Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode. Setting this bit to 1 means that the driver is capable of launching asynchronous operations; command completion is signaled by the invocation of a completion callback. If set to 1, drivers may still complete asynchronous operations synchronously as necessary (in which case they return a positive error code to indicate synchronous completion). </td></tr>
779 <tr><td class="fieldtype">
780 <a id="a63882f6a571f20aad1b5b3542cdaafa1" name="a63882f6a571f20aad1b5b3542cdaafa1"></a>uint32_t</td>
781 <td class="fieldname">
782 erase_all: 1</td>
783 <td class="fielddoc">
784 Supports EraseAll operation. </td></tr>
785 <tr><td class="fieldtype">
786 <a id="aa43c4c21b173ada1b6b7568956f0d650" name="aa43c4c21b173ada1b6b7568956f0d650"></a>uint32_t</td>
787 <td class="fieldname">
788 reserved: 30</td>
789 <td class="fielddoc">
790 Reserved (must be zero) </td></tr>
791 </table>
792
793 </div>
794 </div>
795 <a name="structARM__STORAGE__STATUS" id="structARM__STORAGE__STATUS"></a>
796 <h2 class="memtitle"><span class="permalink"><a href="#structARM__STORAGE__STATUS">&#9670;&#160;</a></span>ARM_STORAGE_STATUS</h2>
797
798 <div class="memitem">
799 <div class="memproto">
800       <table class="memname">
801         <tr>
802           <td class="memname">struct ARM_STORAGE_STATUS</td>
803         </tr>
804       </table>
805 </div><div class="memdoc">
806 <div class="textblock"><p>Operating status of the storage controller. </p>
807 <p>Structure with information about the status of the Storage device.</p>
808 <p>The flag <em>busy</em> indicates that the driver is busy executing read/program/erase operation.</p>
809 <p>The flag <em>error</em> flag is cleared on start of read/program/erase operation and is set at the end of the current operation in case of error.</p>
810 <p><b>Returned by:</b></p><ul>
811 <li><a class="el" href="group__storage__interface__gr.html#ga29e7bfe78f41abb16973bdb4e0188a20">ARM_Storage_GetStatus</a> </li>
812 </ul>
813 </div><table class="fieldtable">
814 <tr><th colspan="3">Data Fields</th></tr>
815 <tr><td class="fieldtype">
816 <a id="a50c88f3c1d787773e2ac1b59533f034a" name="a50c88f3c1d787773e2ac1b59533f034a"></a>uint32_t</td>
817 <td class="fieldname">
818 busy: 1</td>
819 <td class="fielddoc">
820 Controller busy flag. </td></tr>
821 <tr><td class="fieldtype">
822 <a id="aa8d183302fdfa4a6892f1d80300cdb32" name="aa8d183302fdfa4a6892f1d80300cdb32"></a>uint32_t</td>
823 <td class="fieldname">
824 error: 1</td>
825 <td class="fielddoc">
826 Read/Program/Erase error flag (cleared on start of next operation) </td></tr>
827 <tr><td class="fieldtype">
828 <a id="aa43c4c21b173ada1b6b7568956f0d650" name="aa43c4c21b173ada1b6b7568956f0d650"></a>uint32_t</td>
829 <td class="fieldname">
830 reserved: 30</td>
831 <td class="fielddoc">
832 </td></tr>
833 </table>
834
835 </div>
836 </div>
837 <h2 class="groupheader">Typedef Documentation</h2>
838 <a id="ga4b290224fea782e6d2ad06f541b28a98" name="ga4b290224fea782e6d2ad06f541b28a98"></a>
839 <h2 class="memtitle"><span class="permalink"><a href="#ga4b290224fea782e6d2ad06f541b28a98">&#9670;&#160;</a></span>ARM_Storage_Callback_t</h2>
840
841 <div class="memitem">
842 <div class="memproto">
843       <table class="memname">
844         <tr>
845           <td class="memname">ARM_Storage_Callback_t</td>
846         </tr>
847       </table>
848 </div><div class="memdoc">
849 <p>Provides the typedef for the callback function <a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a>.</p>
850 <p>Provides the typedef for the callback function <a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a>.</p>
851 <dl class="params"><dt>Parameters</dt><dd>
852   <table class="params">
853     <tr><td class="paramdir">[in]</td><td class="paramname">status</td><td>A code to indicate the status of the completed operation. For data transfer operations, the status field is overloaded in case of success to return the count of bytes successfully transferred; this can be done safely because error codes are negative values.</td></tr>
854     <tr><td class="paramdir">[in]</td><td class="paramname">operation</td><td>The command op-code. This value isn't essential, but it is expected that this information could be a quick and useful filter for the handler.</td></tr>
855   </table>
856   </dd>
857 </dl>
858 <p><b>Parameter for:</b></p><ul>
859 <li><a class="el" href="group__storage__interface__gr.html#gacc5dc090a35ac16caff8957030eaa174">ARM_Storage_Initialize</a> </li>
860 </ul>
861
862 </div>
863 </div>
864 <h2 class="groupheader">Enumeration Type Documentation</h2>
865 <a id="ga3a9277f89946d61c41b22da72e3eef7c" name="ga3a9277f89946d61c41b22da72e3eef7c"></a>
866 <h2 class="memtitle"><span class="permalink"><a href="#ga3a9277f89946d61c41b22da72e3eef7c">&#9670;&#160;</a></span>ARM_STORAGE_OPERATION</h2>
867
868 <div class="memitem">
869 <div class="memproto">
870       <table class="memname">
871         <tr>
872           <td class="memname">enum <a class="el" href="group__storage__interface__gr.html#ga3a9277f89946d61c41b22da72e3eef7c">ARM_STORAGE_OPERATION</a></td>
873         </tr>
874       </table>
875 </div><div class="memdoc">
876 <p>Command opcodes for Storage.</p>
877 <p>Command opcodes for the Storage interface. Completion callbacks use these codes to refer to completing commands. Refer to <a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a>. </p>
878 <table class="fieldtable">
879 <tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7cac82e2ca0f9b7ec94e24ae56c45f12f8c" name="ga3a9277f89946d61c41b22da72e3eef7cac82e2ca0f9b7ec94e24ae56c45f12f8c"></a>ARM_STORAGE_OPERATION_GET_VERSION&#160;</td><td class="fielddoc"></td></tr>
880 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca314621ae4384fef7094d8724d59b65c4" name="ga3a9277f89946d61c41b22da72e3eef7ca314621ae4384fef7094d8724d59b65c4"></a>ARM_STORAGE_OPERATION_GET_CAPABILITIES&#160;</td><td class="fielddoc"></td></tr>
881 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7caca3985b874bf393dc2e448b339668971" name="ga3a9277f89946d61c41b22da72e3eef7caca3985b874bf393dc2e448b339668971"></a>ARM_STORAGE_OPERATION_INITIALIZE&#160;</td><td class="fielddoc"></td></tr>
882 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7cab9488e567ad58b16c5df2637df3902e9" name="ga3a9277f89946d61c41b22da72e3eef7cab9488e567ad58b16c5df2637df3902e9"></a>ARM_STORAGE_OPERATION_UNINITIALIZE&#160;</td><td class="fielddoc"></td></tr>
883 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca213a74ac5a692a80f17fd6d8e6565e05" name="ga3a9277f89946d61c41b22da72e3eef7ca213a74ac5a692a80f17fd6d8e6565e05"></a>ARM_STORAGE_OPERATION_POWER_CONTROL&#160;</td><td class="fielddoc"></td></tr>
884 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca177812f3cb27c413473d94ebe9480454" name="ga3a9277f89946d61c41b22da72e3eef7ca177812f3cb27c413473d94ebe9480454"></a>ARM_STORAGE_OPERATION_READ_DATA&#160;</td><td class="fielddoc"></td></tr>
885 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca586b4774a7a092d1932d3415cc42abb0" name="ga3a9277f89946d61c41b22da72e3eef7ca586b4774a7a092d1932d3415cc42abb0"></a>ARM_STORAGE_OPERATION_PROGRAM_DATA&#160;</td><td class="fielddoc"></td></tr>
886 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7cab52a1d10b8087452fd97af8cdb9a6f75" name="ga3a9277f89946d61c41b22da72e3eef7cab52a1d10b8087452fd97af8cdb9a6f75"></a>ARM_STORAGE_OPERATION_ERASE&#160;</td><td class="fielddoc"></td></tr>
887 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca60a0511bd5e32db2a22d3ab2023a601e" name="ga3a9277f89946d61c41b22da72e3eef7ca60a0511bd5e32db2a22d3ab2023a601e"></a>ARM_STORAGE_OPERATION_ERASE_ALL&#160;</td><td class="fielddoc"></td></tr>
888 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca7c595cd3c439753efe0a0b17efd7bb7f" name="ga3a9277f89946d61c41b22da72e3eef7ca7c595cd3c439753efe0a0b17efd7bb7f"></a>ARM_STORAGE_OPERATION_GET_STATUS&#160;</td><td class="fielddoc"></td></tr>
889 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca0fe0ef7c0a9e69d053a0419282248f40" name="ga3a9277f89946d61c41b22da72e3eef7ca0fe0ef7c0a9e69d053a0419282248f40"></a>ARM_STORAGE_OPERATION_GET_INFO&#160;</td><td class="fielddoc"></td></tr>
890 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca3292512d0222e4119d0cdf77de1508df" name="ga3a9277f89946d61c41b22da72e3eef7ca3292512d0222e4119d0cdf77de1508df"></a>ARM_STORAGE_OPERATION_RESOLVE_ADDRESS&#160;</td><td class="fielddoc"></td></tr>
891 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7ca9bfab6ee9caa3ace32338d4ef2d856f5" name="ga3a9277f89946d61c41b22da72e3eef7ca9bfab6ee9caa3ace32338d4ef2d856f5"></a>ARM_STORAGE_OPERATION_GET_NEXT_BLOCK&#160;</td><td class="fielddoc"></td></tr>
892 <tr><td class="fieldname"><a id="ga3a9277f89946d61c41b22da72e3eef7cac75096931c3d29af1029f25fc44e7523" name="ga3a9277f89946d61c41b22da72e3eef7cac75096931c3d29af1029f25fc44e7523"></a>ARM_STORAGE_OPERATION_GET_BLOCK&#160;</td><td class="fielddoc"></td></tr>
893 </table>
894
895 </div>
896 </div>
897 <h2 class="groupheader">Function Documentation</h2>
898 <a id="gaf28193431b1a2ee64b22bfb36aed27e3" name="gaf28193431b1a2ee64b22bfb36aed27e3"></a>
899 <h2 class="memtitle"><span class="permalink"><a href="#gaf28193431b1a2ee64b22bfb36aed27e3">&#9670;&#160;</a></span>ARM_Storage_GetVersion()</h2>
900
901 <div class="memitem">
902 <div class="memproto">
903       <table class="memname">
904         <tr>
905           <td class="memname"><a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a> ARM_Storage_GetVersion </td>
906           <td>(</td>
907           <td class="paramtype">void&#160;</td>
908           <td class="paramname"></td><td>)</td>
909           <td></td>
910         </tr>
911       </table>
912 </div><div class="memdoc">
913
914 <p>Get driver version. </p>
915 <dl class="section return"><dt>Returns</dt><dd><a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a></dd></dl>
916 <p>The function <b>ARM_Storage_GetVersion</b> returns version information of the driver implementation in <a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a>.</p><ul>
917 <li>API version is the version of the CMSIS-Driver specification used to implement this driver.</li>
918 <li>Driver version is source code version of the actual driver implementation.</li>
919 </ul>
920 <p>Example: </p><div class="fragment"><div class="line"><span class="keyword">extern</span> <a class="code hl_struct" href="group__storage__interface__gr.html#structARM__DRIVER__STORAGE">ARM_DRIVER_STORAGE</a> *drv_info;</div>
921 <div class="line"> </div>
922 <div class="line"><span class="keywordtype">void</span> read_version (<span class="keywordtype">void</span>)  {</div>
923 <div class="line">  <a class="code hl_struct" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a>  version;</div>
924 <div class="line"> </div>
925 <div class="line">  version = drv_info-&gt;<a class="code hl_variable" href="group__storage__interface__gr.html#a30afd9cb3113c037b5f1926f5ef93b59">GetVersion</a> ();</div>
926 <div class="line">  <span class="keywordflow">if</span> (version.<a class="code hl_variable" href="group__common__drv__gr.html#ad180da20fbde1d3dafc074af87c19540">api</a> &lt; 0x10A)   {      <span class="comment">// requires at minimum API version 1.10 or higher</span></div>
927 <div class="line">    <span class="comment">// error handling</span></div>
928 <div class="line">    <span class="keywordflow">return</span>;</div>
929 <div class="line">  }</div>
930 <div class="line">}</div>
931 <div class="ttc" id="agroup__common__drv__gr_html_ad180da20fbde1d3dafc074af87c19540"><div class="ttname"><a href="group__common__drv__gr.html#ad180da20fbde1d3dafc074af87c19540">ARM_DRIVER_VERSION::api</a></div><div class="ttdeci">uint16_t api</div><div class="ttdoc">API version.</div><div class="ttdef"><b>Definition:</b> Driver_Common.h:47</div></div>
932 <div class="ttc" id="agroup__common__drv__gr_html_structARM__DRIVER__VERSION"><div class="ttname"><a href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a></div><div class="ttdoc">Driver Version.</div><div class="ttdef"><b>Definition:</b> Driver_Common.h:46</div></div>
933 <div class="ttc" id="agroup__storage__interface__gr_html_a30afd9cb3113c037b5f1926f5ef93b59"><div class="ttname"><a href="group__storage__interface__gr.html#a30afd9cb3113c037b5f1926f5ef93b59">ARM_DRIVER_STORAGE::GetVersion</a></div><div class="ttdeci">ARM_DRIVER_VERSION(* GetVersion)(void)</div><div class="ttdoc">Pointer to ARM_Storage_GetVersion : Get driver version.</div><div class="ttdef"><b>Definition:</b> Driver_Storage.h:414</div></div>
934 <div class="ttc" id="agroup__storage__interface__gr_html_structARM__DRIVER__STORAGE"><div class="ttname"><a href="group__storage__interface__gr.html#structARM__DRIVER__STORAGE">ARM_DRIVER_STORAGE</a></div><div class="ttdef"><b>Definition:</b> Driver_Storage.h:413</div></div>
935 </div><!-- fragment --><dl class="section note"><dt>Note</dt><dd>HAPI returns synchronously&ndash;it does not result in an invocation of a completion callback.</dd>
936 <dd>
937 The function GetVersion() can be called any time to obtain the required information from the driver (even before initialization). It always returns the same information. </dd></dl>
938
939 </div>
940 </div>
941 <a id="ga8378b3901dfe76d8f31728a50e10dae2" name="ga8378b3901dfe76d8f31728a50e10dae2"></a>
942 <h2 class="memtitle"><span class="permalink"><a href="#ga8378b3901dfe76d8f31728a50e10dae2">&#9670;&#160;</a></span>ARM_Storage_GetCapabilities()</h2>
943
944 <div class="memitem">
945 <div class="memproto">
946       <table class="memname">
947         <tr>
948           <td class="memname"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a> ARM_Storage_GetCapabilities </td>
949           <td>(</td>
950           <td class="paramtype">void&#160;</td>
951           <td class="paramname"></td><td>)</td>
952           <td></td>
953         </tr>
954       </table>
955 </div><div class="memdoc">
956
957 <p>Get driver capabilities. </p>
958 <dl class="section return"><dt>Returns</dt><dd><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a></dd></dl>
959 <p>The function <b>ARM_Storage_GetCapabilities</b> returns information about capabilities in this driver implementation. The data fields of the struct <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES" title="Storage Driver API Capabilities.">ARM_STORAGE_CAPABILITIES</a> encode various capabilities, for example if the device is able to execute operations asynchronously.</p>
960 <p>Example: </p><div class="fragment"><div class="line"><span class="keyword">extern</span> <a class="code hl_struct" href="group__storage__interface__gr.html#structARM__DRIVER__STORAGE">ARM_DRIVER_STORAGE</a> *drv_info;</div>
961 <div class="line"> </div>
962 <div class="line"><span class="keywordtype">void</span> read_capabilities (<span class="keywordtype">void</span>)  {</div>
963 <div class="line">  <a class="code hl_struct" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a> drv_capabilities;</div>
964 <div class="line"> </div>
965 <div class="line">  drv_capabilities = drv_info-&gt;<a class="code hl_variable" href="group__storage__interface__gr.html#ab3064f39b3c42cd63367312505328f29">GetCapabilities</a> ();</div>
966 <div class="line">  <span class="comment">// interrogate capabilities</span></div>
967 <div class="line"> </div>
968 <div class="line">}</div>
969 <div class="ttc" id="agroup__storage__interface__gr_html_ab3064f39b3c42cd63367312505328f29"><div class="ttname"><a href="group__storage__interface__gr.html#ab3064f39b3c42cd63367312505328f29">ARM_DRIVER_STORAGE::GetCapabilities</a></div><div class="ttdeci">ARM_STORAGE_CAPABILITIES(* GetCapabilities)(void)</div><div class="ttdoc">Pointer to ARM_Storage_GetCapabilities : Get driver capabilities.</div><div class="ttdef"><b>Definition:</b> Driver_Storage.h:415</div></div>
970 <div class="ttc" id="agroup__storage__interface__gr_html_structARM__STORAGE__CAPABILITIES"><div class="ttname"><a href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a></div><div class="ttdoc">Storage Driver API Capabilities.</div><div class="ttdef"><b>Definition:</b> Driver_Storage.h:188</div></div>
971 </div><!-- fragment --><dl class="section note"><dt>Note</dt><dd>This API returns synchronously&ndash;it does not result in an invocation of a completion callback.</dd>
972 <dd>
973 The function GetCapabilities() can be called any time to obtain the required information from the driver (even before initialization). It always returns the same information. </dd></dl>
974
975 </div>
976 </div>
977 <a id="gacc5dc090a35ac16caff8957030eaa174" name="gacc5dc090a35ac16caff8957030eaa174"></a>
978 <h2 class="memtitle"><span class="permalink"><a href="#gacc5dc090a35ac16caff8957030eaa174">&#9670;&#160;</a></span>ARM_Storage_Initialize()</h2>
979
980 <div class="memitem">
981 <div class="memproto">
982       <table class="memname">
983         <tr>
984           <td class="memname">int32_t ARM_Storage_Initialize </td>
985           <td>(</td>
986           <td class="paramtype"><a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a>&#160;</td>
987           <td class="paramname"><em>callback</em></td><td>)</td>
988           <td></td>
989         </tr>
990       </table>
991 </div><div class="memdoc">
992
993 <p>Initialize the Storage interface. </p>
994 <dl class="params"><dt>Parameters</dt><dd>
995   <table class="params">
996     <tr><td class="paramdir">[in]</td><td class="paramname">callback</td><td>Pointer to <a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a>. Caller-defined callback to be invoked upon command completion for asynchronous APIs (including the completion of initialization). Use a NULL pointer when no callback signals are required. </td></tr>
997   </table>
998   </dd>
999 </dl>
1000 <dl class="section return"><dt>Returns</dt><dd>If asynchronous activity is launched, invocation ARM_DRIVER_OK, and the caller can expect to receive a callback in the future with a status value of ARM_DRIVER_OK or an error-code. In the case of synchronous execution, control returns after completion with a value of 1. Return values less than ARM_DRIVER_OK (0) signify errors.</dd></dl>
1001 <p>The function <b>ARM_Storage_Initialize</b> is called when the middleware component starts operation. In addition to bringing the controller to a ready state, Initialize() receives a callback handler to be invoked upon completion of asynchronous operations.</p>
1002 <p><a class="el" href="group__storage__interface__gr.html#gacc5dc090a35ac16caff8957030eaa174" title="Initialize the Storage interface.">ARM_Storage_Initialize()</a> needs to be called explicitly before powering the peripheral using <a class="el" href="group__storage__interface__gr.html#ga979a2484bf05b2986de95a5d98307d54" title="Control the Storage interface power.">ARM_Storage_PowerControl()</a>, and before initiating other accesses to the storage controller.</p>
1003 <p>The function performs the following operations:</p><ul>
1004 <li>Initializes the resources needed for the Storage interface.</li>
1005 <li>Registers the <a class="el" href="group__storage__interface__gr.html#ga4b290224fea782e6d2ad06f541b28a98">ARM_Storage_Callback_t</a> callback function.</li>
1006 </ul>
1007 <p>To start working with a peripheral the functions ARM_Storage_Initialize and <a class="el" href="group__storage__interface__gr.html#ga979a2484bf05b2986de95a5d98307d54" title="Control the Storage interface power.">ARM_Storage_PowerControl()</a> need to be called in this order: </p><div class="fragment"><div class="line">drv-&gt;Initialize (...);              <span class="comment">// Allocate I/O pins</span></div>
1008 <div class="line">drv-&gt;PowerControl (<a class="code hl_enumvalue" href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5abed52b77a9ce4775570e44a842b1295e">ARM_POWER_FULL</a>); <span class="comment">// Power up peripheral, setup IRQ/DMA</span></div>
1009 <div class="ttc" id="aDriver__Common_8h_html_ga47d6d7c31f88f3b8ae4aaf9d8444afa5abed52b77a9ce4775570e44a842b1295e"><div class="ttname"><a href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5abed52b77a9ce4775570e44a842b1295e">ARM_POWER_FULL</a></div><div class="ttdeci">@ ARM_POWER_FULL</div><div class="ttdoc">Power on: full operation at maximum performance.</div><div class="ttdef"><b>Definition:</b> Driver_Common.h:66</div></div>
1010 </div><!-- fragment --><ul>
1011 <li><a class="el" href="group__storage__interface__gr.html#gacc5dc090a35ac16caff8957030eaa174" title="Initialize the Storage interface.">ARM_Storage_Initialize()</a> typically allocates the I/O resources (pins) for the peripheral. The function can be called multiple times; if the I/O resources are already initialized it performs no operation and just returns with ARM_DRIVER_OK.</li>
1012 <li>ARM_Storage_PowerControl (ARM_POWER_FULL) sets the peripheral registers including interrupt (NVIC) and optionally DMA. The function can be called multiple times; if the registers are already set it performs no operation and just returns with ARM_DRIVER_OK.</li>
1013 </ul>
1014 <p>To stop working with a peripheral the functions <a class="el" href="group__storage__interface__gr.html#ga979a2484bf05b2986de95a5d98307d54" title="Control the Storage interface power.">ARM_Storage_PowerControl()</a> and <a class="el" href="group__storage__interface__gr.html#ga1d14b15ddcda2836c6e3c1d0b5e60dca" title="De-initialize the Storage Interface.">ARM_Storage_Uninitialize()</a> need to be called in this order: </p><div class="fragment"><div class="line">drv-&gt;PowerControl (<a class="code hl_enumvalue" href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5ab6f5becc85ebd51c3dd2524a95d2ca35">ARM_POWER_OFF</a>); <span class="comment">// Terminate any pending transfers, reset IRQ/DMA, power off peripheral</span></div>
1015 <div class="line">drv-&gt;Uninitialize (...);           <span class="comment">// Release I/O pins</span></div>
1016 <div class="ttc" id="aDriver__Common_8h_html_ga47d6d7c31f88f3b8ae4aaf9d8444afa5ab6f5becc85ebd51c3dd2524a95d2ca35"><div class="ttname"><a href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5ab6f5becc85ebd51c3dd2524a95d2ca35">ARM_POWER_OFF</a></div><div class="ttdeci">@ ARM_POWER_OFF</div><div class="ttdoc">Power off: no operation possible.</div><div class="ttdef"><b>Definition:</b> Driver_Common.h:64</div></div>
1017 </div><!-- fragment --><p>The functions <a class="el" href="group__storage__interface__gr.html#ga979a2484bf05b2986de95a5d98307d54" title="Control the Storage interface power.">ARM_Storage_PowerControl()</a> and <a class="el" href="group__storage__interface__gr.html#ga1d14b15ddcda2836c6e3c1d0b5e60dca" title="De-initialize the Storage Interface.">ARM_Storage_Uninitialize()</a> always execute and can be used to put the peripheral into a Safe State, for example after any data transmission errors. To restart the peripheral in an error condition, you should first execute the Stop Sequence and then the Start Sequence.</p>
1018 <dl class="section note"><dt>Note</dt><dd>This API may execute asynchronously if <a class="el" href="group__storage__interface__gr.html#a15ade4ca762bc6ce72d435a16febb4cc" title="Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode...">ARM_STORAGE_CAPABILITIES::asynchronous_ops</a> is set. Asynchronous execution is optional even if 'asynchronous_ops' is set. </dd></dl>
1019
1020 </div>
1021 </div>
1022 <a id="ga1d14b15ddcda2836c6e3c1d0b5e60dca" name="ga1d14b15ddcda2836c6e3c1d0b5e60dca"></a>
1023 <h2 class="memtitle"><span class="permalink"><a href="#ga1d14b15ddcda2836c6e3c1d0b5e60dca">&#9670;&#160;</a></span>ARM_Storage_Uninitialize()</h2>
1024
1025 <div class="memitem">
1026 <div class="memproto">
1027       <table class="memname">
1028         <tr>
1029           <td class="memname">int32_t ARM_Storage_Uninitialize </td>
1030           <td>(</td>
1031           <td class="paramtype">void&#160;</td>
1032           <td class="paramname"></td><td>)</td>
1033           <td></td>
1034         </tr>
1035       </table>
1036 </div><div class="memdoc">
1037
1038 <p>De-initialize the Storage Interface. </p>
1039 <dl class="section return"><dt>Returns</dt><dd>If asynchronous activity is launched, an invocation returns ARM_DRIVER_OK, and the caller can expect to receive a callback in the future with a status value of ARM_DRIVER_OK or an error-code. In the case of synchronous execution, control returns after completion with a value of 1. Return values less than ARM_DRIVER_OK (0) signify errors.</dd></dl>
1040 <p>It is called when the middleware component stops operation, and wishes to release the software resources used by the interface.</p>
1041 <dl class="section note"><dt>Note</dt><dd>This API may execute asynchronously if <a class="el" href="group__storage__interface__gr.html#a15ade4ca762bc6ce72d435a16febb4cc" title="Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode...">ARM_STORAGE_CAPABILITIES::asynchronous_ops</a> is set. Asynchronous execution is optional even if 'asynchronous_ops' is set. </dd></dl>
1042
1043 </div>
1044 </div>
1045 <a id="ga979a2484bf05b2986de95a5d98307d54" name="ga979a2484bf05b2986de95a5d98307d54"></a>
1046 <h2 class="memtitle"><span class="permalink"><a href="#ga979a2484bf05b2986de95a5d98307d54">&#9670;&#160;</a></span>ARM_Storage_PowerControl()</h2>
1047
1048 <div class="memitem">
1049 <div class="memproto">
1050       <table class="memname">
1051         <tr>
1052           <td class="memname">int32_t ARM_Storage_PowerControl </td>
1053           <td>(</td>
1054           <td class="paramtype"><a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">ARM_POWER_STATE</a>&#160;</td>
1055           <td class="paramname"><em>state</em></td><td>)</td>
1056           <td></td>
1057         </tr>
1058       </table>
1059 </div><div class="memdoc">
1060
1061 <p>Control the Storage interface power. </p>
1062 <dl class="params"><dt>Parameters</dt><dd>
1063   <table class="params">
1064     <tr><td class="paramdir">[in]</td><td class="paramname">state</td><td>Power state </td></tr>
1065   </table>
1066   </dd>
1067 </dl>
1068 <dl class="section return"><dt>Returns</dt><dd>If asynchronous activity is launched, an invocation returns ARM_DRIVER_OK, and the caller can expect to receive a callback in the future with a status value of ARM_DRIVER_OK or an error-code. In the case of synchronous execution, control returns after completion with a value of 1. Return values less than ARM_DRIVER_OK (0) signify errors.</dd></dl>
1069 <p>The function <b>ARM_Storage_PowerControl</b> operates the power modes of the Storage interface.</p>
1070 <p>To start working with a peripheral the functions Initialize and PowerControl need to be called in this order: </p><div class="fragment"><div class="line">drv-&gt;Initialize (...);                 <span class="comment">// Allocate I/O pins</span></div>
1071 <div class="line">drv-&gt;PowerControl (<a class="code hl_enumvalue" href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5abed52b77a9ce4775570e44a842b1295e">ARM_POWER_FULL</a>);    <span class="comment">// Power up peripheral, setup IRQ/DMA</span></div>
1072 </div><!-- fragment --><ul>
1073 <li><a class="el" href="group__storage__interface__gr.html#gacc5dc090a35ac16caff8957030eaa174" title="Initialize the Storage interface.">ARM_Storage_Initialize()</a> typically allocates the I/O resources (pins) for the peripheral. The function can be called multiple times; if the I/O resources are already initialized it performs no operation and just returns with ARM_DRIVER_OK.</li>
1074 <li>PowerControl (ARM_POWER_FULL) sets the peripheral registers including interrupt (NVIC) and optionally DMA. The function can be called multiple times; if the registers are already set it performs no operation and just returns with ARM_DRIVER_OK.</li>
1075 </ul>
1076 <p>To stop working with a peripheral the functions PowerControl and Uninitialize need to be called in this order: </p><div class="fragment"><div class="line">drv-&gt;PowerControl (<a class="code hl_enumvalue" href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5ab6f5becc85ebd51c3dd2524a95d2ca35">ARM_POWER_OFF</a>);     <span class="comment">// Terminate any pending transfers, reset IRQ/DMA, power off peripheral</span></div>
1077 <div class="line">drv-&gt;Uninitialize (...);               <span class="comment">// Release I/O pins</span></div>
1078 </div><!-- fragment --><p>The functions ARM_Storage_PowerControl and ARM_Storage_Uninitialize always execute and can be used to put the peripheral into a Safe State, for example after any data transmission errors. To restart the peripheral in an error condition, you should first execute the Stop Sequence and then the Start Sequence.</p>
1079 <p>The parameter <em>state</em> can have the following values:</p><ul>
1080 <li><a class="el" href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5abed52b77a9ce4775570e44a842b1295e">ARM_POWER_FULL</a> : set-up the Storage device for data transfers, enable interrupts (NVIC) and optionally DMA. Can be called multiple times. If the device is already in this mode, then the function performs no operation and returns with <a class="el" href="group__execution__status.html#ga85752c5de59e8adeb001e35ff5be6be7">ARM_DRIVER_OK</a>.</li>
1081 <li><a class="el" href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5a9ef9e57cbcc948d0e22314e73dc8c434">ARM_POWER_LOW</a> : may use power saving. Returns <a class="el" href="group__execution__status.html#ga2efa59e480d82697795439220e6884e4">ARM_DRIVER_ERROR_UNSUPPORTED</a> when not implemented.</li>
1082 <li><a class="el" href="Driver__Common_8h.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5ab6f5becc85ebd51c3dd2524a95d2ca35">ARM_POWER_OFF</a> : terminates any pending data transfers, disables peripheral, disables related interrupts and DMA.</li>
1083 </ul>
1084 <dl class="section note"><dt>Note</dt><dd>This API may execute asynchronously if <a class="el" href="group__storage__interface__gr.html#a15ade4ca762bc6ce72d435a16febb4cc" title="Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode...">ARM_STORAGE_CAPABILITIES::asynchronous_ops</a> is set. Asynchronous execution is optional even if 'asynchronous_ops' is set. </dd></dl>
1085
1086 </div>
1087 </div>
1088 <a id="gabaa24553c165add98020434c980b3ab4" name="gabaa24553c165add98020434c980b3ab4"></a>
1089 <h2 class="memtitle"><span class="permalink"><a href="#gabaa24553c165add98020434c980b3ab4">&#9670;&#160;</a></span>ARM_Storage_ReadData()</h2>
1090
1091 <div class="memitem">
1092 <div class="memproto">
1093       <table class="memname">
1094         <tr>
1095           <td class="memname">int32_t ARM_Storage_ReadData </td>
1096           <td>(</td>
1097           <td class="paramtype">uint64_t&#160;</td>
1098           <td class="paramname"><em>addr</em>, </td>
1099         </tr>
1100         <tr>
1101           <td class="paramkey"></td>
1102           <td></td>
1103           <td class="paramtype">void *&#160;</td>
1104           <td class="paramname"><em>data</em>, </td>
1105         </tr>
1106         <tr>
1107           <td class="paramkey"></td>
1108           <td></td>
1109           <td class="paramtype">uint32_t&#160;</td>
1110           <td class="paramname"><em>size</em>&#160;</td>
1111         </tr>
1112         <tr>
1113           <td></td>
1114           <td>)</td>
1115           <td></td><td></td>
1116         </tr>
1117       </table>
1118 </div><div class="memdoc">
1119
1120 <p>Read data from Storage. </p>
1121 <dl class="params"><dt>Parameters</dt><dd>
1122   <table class="params">
1123     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>Data address. </td></tr>
1124     <tr><td class="paramdir">[out]</td><td class="paramname">data</td><td>Pointer to a buffer storing the data read from Storage. </td></tr>
1125     <tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>Number of bytes to read. The data buffer should be at least as large as this size. </td></tr>
1126   </table>
1127   </dd>
1128 </dl>
1129 <dl class="section return"><dt>Returns</dt><dd>If asynchronous activity is launched, an invocation returns ARM_DRIVER_OK, and the caller can expect to receive a callback in the future with the number of successfully transferred bytes passed in as the 'status' parameter. In the case of synchronous execution, control returns after completion with a positive transfer-count. Return values less than ARM_DRIVER_OK (0) signify errors.</dd></dl>
1130 <p>Read the contents of a range of storage memory into a buffer supplied by the caller. The buffer is owned by the caller and should remain accessible for the lifetime of this command.</p>
1131 <dl class="section note"><dt>Note</dt><dd>This API may execute asynchronously if <a class="el" href="group__storage__interface__gr.html#a15ade4ca762bc6ce72d435a16febb4cc" title="Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode...">ARM_STORAGE_CAPABILITIES::asynchronous_ops</a> is set. Asynchronous execution is optional even if 'asynchronous_ops' is set. </dd></dl>
1132
1133 </div>
1134 </div>
1135 <a id="gabd20d561854c06918b0515b6c1bba230" name="gabd20d561854c06918b0515b6c1bba230"></a>
1136 <h2 class="memtitle"><span class="permalink"><a href="#gabd20d561854c06918b0515b6c1bba230">&#9670;&#160;</a></span>ARM_Storage_ProgramData()</h2>
1137
1138 <div class="memitem">
1139 <div class="memproto">
1140       <table class="memname">
1141         <tr>
1142           <td class="memname">int32_t ARM_Storage_ProgramData </td>
1143           <td>(</td>
1144           <td class="paramtype">uint64_t&#160;</td>
1145           <td class="paramname"><em>addr</em>, </td>
1146         </tr>
1147         <tr>
1148           <td class="paramkey"></td>
1149           <td></td>
1150           <td class="paramtype">const void *&#160;</td>
1151           <td class="paramname"><em>data</em>, </td>
1152         </tr>
1153         <tr>
1154           <td class="paramkey"></td>
1155           <td></td>
1156           <td class="paramtype">uint32_t&#160;</td>
1157           <td class="paramname"><em>size</em>&#160;</td>
1158         </tr>
1159         <tr>
1160           <td></td>
1161           <td>)</td>
1162           <td></td><td></td>
1163         </tr>
1164       </table>
1165 </div><div class="memdoc">
1166
1167 <p>Program data to Storage. </p>
1168 <dl class="params"><dt>Parameters</dt><dd>
1169   <table class="params">
1170     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>This is the start address of the range to be written into. It needs to be aligned to the device's <em>program_unit</em> specified in <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>. </td></tr>
1171     <tr><td class="paramdir">[in]</td><td class="paramname">data</td><td>The source of the write operation. The buffer is owned by the caller and should remain accessible for the lifetime of this command. </td></tr>
1172     <tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The number of bytes requested to be written. The buffer should be at least as large as this size. </td></tr>
1173   </table>
1174   </dd>
1175 </dl>
1176 <dl class="section note"><dt>Note</dt><dd>'size' should be a multiple of the device's 'program_unit' (see <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>). </dd></dl>
1177 <dl class="section return"><dt>Returns</dt><dd>If asynchronous activity is launched, an invocation returns ARM_DRIVER_OK, and the caller can expect to receive a callback in the future with the number of successfully transferred bytes passed in as the 'status' parameter. In the case of synchronous execution, control returns after completion with a positive transfer-count. Return values less than ARM_DRIVER_OK (0) signify errors.</dd></dl>
1178 <p>Write the contents of a given memory buffer into a range of storage memory. In the case of flash memory, the destination range in storage memory typically has its contents in an erased state from a preceding erase operation. The source memory buffer is owned by the caller and should remain accessible for the lifetime of this command.</p>
1179 <dl class="section note"><dt>Note</dt><dd>It is best for the middleware to write in units of 'optimal_program_unit' (<a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>) of the device.</dd>
1180 <dd>
1181 This API may execute asynchronously if <a class="el" href="group__storage__interface__gr.html#a15ade4ca762bc6ce72d435a16febb4cc" title="Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode...">ARM_STORAGE_CAPABILITIES::asynchronous_ops</a> is set. Asynchronous execution is optional even if 'asynchronous_ops' is set. </dd></dl>
1182
1183 </div>
1184 </div>
1185 <a id="gaceef4851d9181cce65c8b2d05f4429bc" name="gaceef4851d9181cce65c8b2d05f4429bc"></a>
1186 <h2 class="memtitle"><span class="permalink"><a href="#gaceef4851d9181cce65c8b2d05f4429bc">&#9670;&#160;</a></span>ARM_Storage_Erase()</h2>
1187
1188 <div class="memitem">
1189 <div class="memproto">
1190       <table class="memname">
1191         <tr>
1192           <td class="memname">int32_t ARM_Storage_Erase </td>
1193           <td>(</td>
1194           <td class="paramtype">uint64_t&#160;</td>
1195           <td class="paramname"><em>addr</em>, </td>
1196         </tr>
1197         <tr>
1198           <td class="paramkey"></td>
1199           <td></td>
1200           <td class="paramtype">uint32_t&#160;</td>
1201           <td class="paramname"><em>size</em>&#160;</td>
1202         </tr>
1203         <tr>
1204           <td></td>
1205           <td>)</td>
1206           <td></td><td></td>
1207         </tr>
1208       </table>
1209 </div><div class="memdoc">
1210
1211 <p>Erase Storage range. </p>
1212 <dl class="params"><dt>Parameters</dt><dd>
1213   <table class="params">
1214     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>This is the start-address of the range to be erased. It must start at an 'erase_unit' boundary of the underlying block. </td></tr>
1215     <tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>Size (in bytes) of the range to be erased. 'addr + size' must be aligned with the 'erase_unit' of the underlying block. </td></tr>
1216   </table>
1217   </dd>
1218 </dl>
1219 <dl class="section return"><dt>Returns</dt><dd>If the range to be erased doesn't align with the erase_units of the respective start and end blocks, ARM_DRIVER_ERROR_PARAMETER is returned. If any part of the range is protected, ARM_STORAGE_ERROR_PROTECTED is returned. If any part of the range is not erasable, ARM_STORAGE_ERROR_NOT_ERASABLE is returned. All such sanity-check failures result in the error code being returned synchronously and the storage bytes within the range remain unaffected. Otherwise the function executes in the following ways: If asynchronous activity is launched, an invocation returns ARM_DRIVER_OK, and the caller can expect to receive a callback in the future with the number of successfully erased bytes passed in as the 'status' parameter. In the case of synchronous execution, control returns after completion with a positive erase-count. Return values less than ARM_DRIVER_OK (0) signify errors.</dd></dl>
1220 <p>This function erases a range of storage specified by [addr, addr + size). Both 'addr' and 'addr + size' should align with the 'erase_unit'(s) of the respective owning storage block(s) (see <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> and <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK__ATTRIBUTES">ARM_STORAGE_BLOCK_ATTRIBUTES</a>). The range to be erased will have its contents returned to the un-programmed state&ndash; i.e. to <a class="el" href="group__storage__interface__gr.html#a902510dbedab116ab6a260a83fbd0f27">ARM_STORAGE_INFO::erased_value</a>, which is usually 1 to indicate the pattern of all ones: 0xFF.</p>
1221 <dl class="section note"><dt>Note</dt><dd>This API may execute asynchronously if <a class="el" href="group__storage__interface__gr.html#a15ade4ca762bc6ce72d435a16febb4cc" title="Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode...">ARM_STORAGE_CAPABILITIES::asynchronous_ops</a> is set. Asynchronous execution is optional even if 'asynchronous_ops' is set.</dd>
1222 <dd>
1223 Erase() may return a smaller (positive) value than the size of the requested range. The returned value indicates the actual number of bytes erased. It is the caller's responsibility to follow up with an appropriate request to complete the operation.</dd>
1224 <dd>
1225 in the case of a failed erase (except when ARM_DRIVER_ERROR_PARAMETER, ARM_STORAGE_ERROR_PROTECTED, or ARM_STORAGE_ERROR_NOT_ERASABLE is returned synchronously), the requested range should be assumed to be in an unknown state. The previous contents may not be retained. </dd></dl>
1226
1227 </div>
1228 </div>
1229 <a id="ga04e77387a3c628d6fc661e82f7daddaa" name="ga04e77387a3c628d6fc661e82f7daddaa"></a>
1230 <h2 class="memtitle"><span class="permalink"><a href="#ga04e77387a3c628d6fc661e82f7daddaa">&#9670;&#160;</a></span>ARM_Storage_EraseAll()</h2>
1231
1232 <div class="memitem">
1233 <div class="memproto">
1234       <table class="memname">
1235         <tr>
1236           <td class="memname">int32_t ARM_Storage_EraseAll </td>
1237           <td>(</td>
1238           <td class="paramtype">void&#160;</td>
1239           <td class="paramname"></td><td>)</td>
1240           <td></td>
1241         </tr>
1242       </table>
1243 </div><div class="memdoc">
1244
1245 <p>Erase complete Storage. </p>
1246 <dl class="section return"><dt>Returns</dt><dd>If any part of the storage range is protected, ARM_STORAGE_ERROR_PROTECTED is returned. If any part of the storage range is not erasable, ARM_STORAGE_ERROR_NOT_ERASABLE is returned. All such sanity-check failures result in the error code being returned synchronously and the storage bytes within the range remain unaffected. Otherwise the function executes in the following ways: If asynchronous activity is launched, an invocation returns ARM_DRIVER_OK, and the caller can expect to receive a callback in the future with ARM_DRIVER_OK passed in as the 'status' parameter. In the case of synchronous execution, control returns after completion with a value of 1. Return values less than ARM_DRIVER_OK (0) signify errors.</dd></dl>
1247 <p>This optional function erases the complete device. If the device does not support global erase then the function returns the error value <a class="el" href="group__execution__status.html#ga2efa59e480d82697795439220e6884e4">ARM_DRIVER_ERROR_UNSUPPORTED</a>. The data field <em>'erase_all'</em> = <span class="XML-Token">1</span> of the structure <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__CAPABILITIES">ARM_STORAGE_CAPABILITIES</a> encodes that <a class="el" href="group__storage__interface__gr.html#ga04e77387a3c628d6fc661e82f7daddaa">ARM_Storage_EraseAll</a> is supported.</p>
1248 <dl class="section note"><dt>Note</dt><dd>This API may execute asynchronously if <a class="el" href="group__storage__interface__gr.html#a15ade4ca762bc6ce72d435a16febb4cc" title="Used to indicate if APIs like initialize, read, erase, program, etc. can operate in asynchronous mode...">ARM_STORAGE_CAPABILITIES::asynchronous_ops</a> is set. Asynchronous execution is optional even if 'asynchronous_ops' is set. </dd></dl>
1249
1250 </div>
1251 </div>
1252 <a id="ga29e7bfe78f41abb16973bdb4e0188a20" name="ga29e7bfe78f41abb16973bdb4e0188a20"></a>
1253 <h2 class="memtitle"><span class="permalink"><a href="#ga29e7bfe78f41abb16973bdb4e0188a20">&#9670;&#160;</a></span>ARM_Storage_GetStatus()</h2>
1254
1255 <div class="memitem">
1256 <div class="memproto">
1257       <table class="memname">
1258         <tr>
1259           <td class="memname"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__STATUS">ARM_STORAGE_STATUS</a> ARM_Storage_GetStatus </td>
1260           <td>(</td>
1261           <td class="paramtype">void&#160;</td>
1262           <td class="paramname"></td><td>)</td>
1263           <td></td>
1264         </tr>
1265       </table>
1266 </div><div class="memdoc">
1267
1268 <p>Get Storage status. </p>
1269 <dl class="section return"><dt>Returns</dt><dd>Storage status <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__STATUS">ARM_STORAGE_STATUS</a></dd></dl>
1270 <p>Get the status of the current (or previous) command executed by the storage controller; stored in the structure <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__STATUS">ARM_STORAGE_STATUS</a>.</p>
1271 <dl class="section note"><dt>Note</dt><dd>This API returns synchronously&ndash;it does not result in an invocation of a completion callback. </dd></dl>
1272
1273 </div>
1274 </div>
1275 <a id="gad557e8e6e33cd4528d398ecf4dddc747" name="gad557e8e6e33cd4528d398ecf4dddc747"></a>
1276 <h2 class="memtitle"><span class="permalink"><a href="#gad557e8e6e33cd4528d398ecf4dddc747">&#9670;&#160;</a></span>ARM_Storage_GetInfo()</h2>
1277
1278 <div class="memitem">
1279 <div class="memproto">
1280       <table class="memname">
1281         <tr>
1282           <td class="memname">int32_t ARM_Storage_GetInfo </td>
1283           <td>(</td>
1284           <td class="paramtype"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a> *&#160;</td>
1285           <td class="paramname"><em>info</em></td><td>)</td>
1286           <td></td>
1287         </tr>
1288       </table>
1289 </div><div class="memdoc">
1290
1291 <p>Get Storage information. </p>
1292 <dl class="params"><dt>Parameters</dt><dd>
1293   <table class="params">
1294     <tr><td class="paramdir">[out]</td><td class="paramname">info</td><td>A caller-supplied buffer capable of being filled in with an <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>. </td></tr>
1295   </table>
1296   </dd>
1297 </dl>
1298 <dl class="section return"><dt>Returns</dt><dd>ARM_DRIVER_OK if a <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a> structure containing top level metadata about the storage controller is filled into the supplied buffer, else an appropriate error value.</dd></dl>
1299 <p>Get information about the Storage device; stored in the structure <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>.</p>
1300 <dl class="section note"><dt>Note</dt><dd>It is the caller's responsibility to ensure that the buffer passed in is able to be initialized with a <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__INFO">ARM_STORAGE_INFO</a>.</dd>
1301 <dd>
1302 This API returns synchronously&ndash;it does not result in an invocation of a completion callback. </dd></dl>
1303
1304 </div>
1305 </div>
1306 <a id="ga5a1934750a51c74b8b0fea52588a3b9a" name="ga5a1934750a51c74b8b0fea52588a3b9a"></a>
1307 <h2 class="memtitle"><span class="permalink"><a href="#ga5a1934750a51c74b8b0fea52588a3b9a">&#9670;&#160;</a></span>ARM_Storage_ResolveAddress()</h2>
1308
1309 <div class="memitem">
1310 <div class="memproto">
1311       <table class="memname">
1312         <tr>
1313           <td class="memname">uint32_t ARM_Storage_ResolveAddress </td>
1314           <td>(</td>
1315           <td class="paramtype">uint64_t&#160;</td>
1316           <td class="paramname"><em>addr</em></td><td>)</td>
1317           <td></td>
1318         </tr>
1319       </table>
1320 </div><div class="memdoc">
1321
1322 <p>Resolve an address relative to the storage controller into a memory address. </p>
1323 <dl class="params"><dt>Parameters</dt><dd>
1324   <table class="params">
1325     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>The address for which we want a resolution to the processor's physical address space. It is an offset from the start of the storage map maintained by the owning storage controller. </td></tr>
1326   </table>
1327   </dd>
1328 </dl>
1329 <dl class="section return"><dt>Returns</dt><dd>The resolved address in the processor's address space, else ARM_STORAGE_INVALID_ADDRESS.</dd></dl>
1330 <p>Only applicable to devices with memory-mapped storage.</p>
1331 <dl class="section note"><dt>Note</dt><dd>This API returns synchronously. The invocation should return quickly, and result in a resolved address. </dd></dl>
1332
1333 </div>
1334 </div>
1335 <a id="gad318f8cb38626cbeea1fcf36a0977c44" name="gad318f8cb38626cbeea1fcf36a0977c44"></a>
1336 <h2 class="memtitle"><span class="permalink"><a href="#gad318f8cb38626cbeea1fcf36a0977c44">&#9670;&#160;</a></span>ARM_Storage_GetNextBlock()</h2>
1337
1338 <div class="memitem">
1339 <div class="memproto">
1340       <table class="memname">
1341         <tr>
1342           <td class="memname">int32_t ARM_Storage_GetNextBlock </td>
1343           <td>(</td>
1344           <td class="paramtype">const <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *&#160;</td>
1345           <td class="paramname"><em>prev_block</em>, </td>
1346         </tr>
1347         <tr>
1348           <td class="paramkey"></td>
1349           <td></td>
1350           <td class="paramtype"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *&#160;</td>
1351           <td class="paramname"><em>next_block</em>&#160;</td>
1352         </tr>
1353         <tr>
1354           <td></td>
1355           <td>)</td>
1356           <td></td><td></td>
1357         </tr>
1358       </table>
1359 </div><div class="memdoc">
1360
1361 <p>Advance to the successor of the current block (iterator). </p>
1362 <dl class="params"><dt>Parameters</dt><dd>
1363   <table class="params">
1364     <tr><td class="paramdir">[in]</td><td class="paramname">prev_block</td><td>An existing block (iterator) within the same storage controller. The memory buffer holding this block is owned by the caller. This pointer may be NULL; if so, the invocation fills in the first block into the out parameter: 'next_block'. </td></tr>
1365     <tr><td class="paramdir">[out]</td><td class="paramname">next_block</td><td>A caller-owned buffer large enough to be filled in with the following <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK" title="A storage block is a range of memory with uniform attributes.">ARM_STORAGE_BLOCK</a>. It is legal to provide the same buffer using 'next_block' as was passed in with 'prev_block'. It is also legal to pass a NULL into this parameter if the caller isn't interested in populating a buffer with the next block, i.e. if the caller only wishes to establish the presence of a next block. </td></tr>
1366   </table>
1367   </dd>
1368 </dl>
1369 <dl class="section return"><dt>Returns</dt><dd>ARM_DRIVER_OK if a valid next block is found (or first block, if prev_block is passed as NULL); upon successful operation, the contents of the next (or first) block are filled into the buffer pointed to by the parameter 'next_block' and <a class="el" href="Driver__Storage_8h.html#a955b1ca2ea24cfd3a8923731b581cfd4">ARM_STORAGE_VALID_BLOCK(next_block)</a> is guaranteed to be true. Upon reaching the end of the sequence of blocks (iterators), or in case the driver is unable to fetch information about the next (or first) block, an error (negative) value is returned and an invalid StorageBlock is populated into the supplied buffer. If prev_block is NULL, the first block is returned.</dd></dl>
1370 <p>This helper function fetches (an iterator to) the next block (or the first block if 'prev_block' is passed in as NULL). In the failure case, a terminating, invalid block iterator is filled into the out parameter: 'next_block'. In combination with <a class="el" href="Driver__Storage_8h.html#a955b1ca2ea24cfd3a8923731b581cfd4">ARM_STORAGE_VALID_BLOCK</a>, it can be used to iterate over the sequence of blocks within the storage map:</p>
1371 <div class="fragment"><div class="line"><a class="code hl_struct" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> block;</div>
1372 <div class="line"><span class="keywordflow">for</span> (drv-&gt;GetNextBlock(NULL, &amp;block); <a class="code hl_define" href="Driver__Storage_8h.html#a955b1ca2ea24cfd3a8923731b581cfd4">ARM_STORAGE_VALID_BLOCK</a>(&amp;block); drv-&gt;GetNextBlock(&amp;block, &amp;block)) {</div>
1373 <div class="line">    <span class="comment">// make use of block</span></div>
1374 <div class="line">}</div>
1375 <div class="ttc" id="aDriver__Storage_8h_html_a955b1ca2ea24cfd3a8923731b581cfd4"><div class="ttname"><a href="Driver__Storage_8h.html#a955b1ca2ea24cfd3a8923731b581cfd4">ARM_STORAGE_VALID_BLOCK</a></div><div class="ttdeci">#define ARM_STORAGE_VALID_BLOCK(BLK)</div><div class="ttdef"><b>Definition:</b> Driver_Storage.h:100</div></div>
1376 <div class="ttc" id="agroup__storage__interface__gr_html_structARM__STORAGE__BLOCK"><div class="ttname"><a href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a></div><div class="ttdoc">A storage block is a range of memory with uniform attributes.</div><div class="ttdef"><b>Definition:</b> Driver_Storage.h:88</div></div>
1377 </div><!-- fragment --><dl class="section note"><dt>Note</dt><dd>This API returns synchronously&ndash;it does not result in an invocation of a completion callback. </dd></dl>
1378
1379 </div>
1380 </div>
1381 <a id="ga5fe9d27ce8afe65124dec62566114073" name="ga5fe9d27ce8afe65124dec62566114073"></a>
1382 <h2 class="memtitle"><span class="permalink"><a href="#ga5fe9d27ce8afe65124dec62566114073">&#9670;&#160;</a></span>ARM_Storage_GetBlock()</h2>
1383
1384 <div class="memitem">
1385 <div class="memproto">
1386       <table class="memname">
1387         <tr>
1388           <td class="memname">int32_t ARM_Storage_GetBlock </td>
1389           <td>(</td>
1390           <td class="paramtype">uint64_t&#160;</td>
1391           <td class="paramname"><em>addr</em>, </td>
1392         </tr>
1393         <tr>
1394           <td class="paramkey"></td>
1395           <td></td>
1396           <td class="paramtype"><a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK">ARM_STORAGE_BLOCK</a> *&#160;</td>
1397           <td class="paramname"><em>block</em>&#160;</td>
1398         </tr>
1399         <tr>
1400           <td></td>
1401           <td>)</td>
1402           <td></td><td></td>
1403         </tr>
1404       </table>
1405 </div><div class="memdoc">
1406
1407 <p>Find the storage block (iterator) encompassing a given storage address. </p>
1408 <dl class="params"><dt>Parameters</dt><dd>
1409   <table class="params">
1410     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>Storage address in bytes. </td></tr>
1411     <tr><td class="paramdir">[out]</td><td class="paramname">block</td><td>A caller-owned buffer large enough to be filled in with the <a class="el" href="group__storage__interface__gr.html#structARM__STORAGE__BLOCK" title="A storage block is a range of memory with uniform attributes.">ARM_STORAGE_BLOCK</a> encapsulating the given address. This value can also be passed in as NULL if the caller isn't interested in populating a buffer with the block, if the caller only wishes to establish the presence of a containing storage block. </td></tr>
1412   </table>
1413   </dd>
1414 </dl>
1415 <dl class="section return"><dt>Returns</dt><dd>ARM_DRIVER_OK if a containing storage-block is found. In this case, if block is non-NULL, the buffer pointed to by it is populated with the contents of the storage block, i.e. if block is valid and a block is found, <a class="el" href="Driver__Storage_8h.html#a955b1ca2ea24cfd3a8923731b581cfd4">ARM_STORAGE_VALID_BLOCK(block)</a> would return true following this call. If there is no storage block containing the given offset, or in case the driver is unable to resolve an address to a storage-block, an error (negative) value is returned and an invalid StorageBlock is populated into the supplied buffer.</dd></dl>
1416 <dl class="section note"><dt>Note</dt><dd>This API returns synchronously&ndash;it does not result in an invocation of a completion callback. </dd></dl>
1417
1418 </div>
1419 </div>
1420 </div><!-- contents -->
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