2 * Copyright (c) 2019-2022 Arm Limited. All rights reserved.
4 * SPDX-License-Identifier: Apache-2.0
6 * Licensed under the Apache License, Version 2.0 (the License); you may
7 * not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * $Date: 30. March 2022
21 * Project: WiFi (Wireless Fidelity Interface) Driver definitions
26 * Extended Socket Receive/RecvFrom/Send/SendTo (support for polling)
31 #ifndef DRIVER_WIFI_H_
32 #define DRIVER_WIFI_H_
39 #include "Driver_Common.h"
41 #define ARM_WIFI_API_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1,1) /* API version */
44 #define _ARM_Driver_WiFi_(n) Driver_WiFi##n
45 #define ARM_Driver_WiFi_(n) _ARM_Driver_WiFi_(n)
48 /****** WiFi SetOption/GetOption Function Option Codes *****/
49 #define ARM_WIFI_BSSID 1U ///< Station/AP Set/Get BSSID of AP to connect or of AP; data = &bssid, len = 6, uint8_t[6]
50 #define ARM_WIFI_TX_POWER 2U ///< Station/AP Set/Get transmit power; data = &power, len = 4, uint32_t: 0 .. 20 [dBm]
51 #define ARM_WIFI_LP_TIMER 3U ///< Station Set/Get low-power deep-sleep time; data = &time, len = 4, uint32_t [seconds]: 0 = disable (default)
52 #define ARM_WIFI_DTIM 4U ///< Station/AP Set/Get DTIM interval; data = &dtim, len = 4, uint32_t [beacons]
53 #define ARM_WIFI_BEACON 5U ///< AP Set/Get beacon interval; data = &interval, len = 4, uint32_t [ms]
54 #define ARM_WIFI_MAC 6U ///< Station/AP Set/Get MAC; data = &mac, len = 6, uint8_t[6]
55 #define ARM_WIFI_IP 7U ///< Station/AP Set/Get IPv4 static/assigned address; data = &ip, len = 4, uint8_t[4]
56 #define ARM_WIFI_IP_SUBNET_MASK 8U ///< Station/AP Set/Get IPv4 subnet mask; data = &mask, len = 4, uint8_t[4]
57 #define ARM_WIFI_IP_GATEWAY 9U ///< Station/AP Set/Get IPv4 gateway address; data = &ip, len = 4, uint8_t[4]
58 #define ARM_WIFI_IP_DNS1 10U ///< Station/AP Set/Get IPv4 primary DNS address; data = &ip, len = 4, uint8_t[4]
59 #define ARM_WIFI_IP_DNS2 11U ///< Station/AP Set/Get IPv4 secondary DNS address; data = &ip, len = 4, uint8_t[4]
60 #define ARM_WIFI_IP_DHCP 12U ///< Station/AP Set/Get IPv4 DHCP client/server enable/disable; data = &dhcp, len = 4, uint32_t: 0 = disable, non-zero = enable (default)
61 #define ARM_WIFI_IP_DHCP_POOL_BEGIN 13U ///< AP Set/Get IPv4 DHCP pool begin address; data = &ip, len = 4, uint8_t[4]
62 #define ARM_WIFI_IP_DHCP_POOL_END 14U ///< AP Set/Get IPv4 DHCP pool end address; data = &ip, len = 4, uint8_t[4]
63 #define ARM_WIFI_IP_DHCP_LEASE_TIME 15U ///< AP Set/Get IPv4 DHCP lease time; data = &time, len = 4, uint32_t [seconds]
64 #define ARM_WIFI_IP6_GLOBAL 16U ///< Station/AP Set/Get IPv6 global address; data = &ip6, len = 16, uint8_t[16]
65 #define ARM_WIFI_IP6_LINK_LOCAL 17U ///< Station/AP Set/Get IPv6 link local address; data = &ip6, len = 16, uint8_t[16]
66 #define ARM_WIFI_IP6_SUBNET_PREFIX_LEN 18U ///< Station/AP Set/Get IPv6 subnet prefix length; data = &len, len = 4, uint32_t: 1 .. 127
67 #define ARM_WIFI_IP6_GATEWAY 19U ///< Station/AP Set/Get IPv6 gateway address; data = &ip6, len = 16, uint8_t[16]
68 #define ARM_WIFI_IP6_DNS1 20U ///< Station/AP Set/Get IPv6 primary DNS address; data = &ip6, len = 16, uint8_t[16]
69 #define ARM_WIFI_IP6_DNS2 21U ///< Station/AP Set/Get IPv6 secondary DNS address; data = &ip6, len = 16, uint8_t[16]
70 #define ARM_WIFI_IP6_DHCP_MODE 22U ///< Station/AP Set/Get IPv6 DHCPv6 client mode; data = &mode, len = 4, uint32_t: ARM_WIFI_IP6_DHCP_xxx (default Off)
72 /****** WiFi Security Type *****/
73 #define ARM_WIFI_SECURITY_OPEN 0U ///< Open
74 #define ARM_WIFI_SECURITY_WEP 1U ///< Wired Equivalent Privacy (WEP) with Pre-Sheared Key (PSK)
75 #define ARM_WIFI_SECURITY_WPA 2U ///< WiFi Protected Access (WPA) with PSK
76 #define ARM_WIFI_SECURITY_WPA2 3U ///< WiFi Protected Access II (WPA2) with PSK
77 #define ARM_WIFI_SECURITY_UNKNOWN 255U ///< Unknown
79 /****** WiFi Protected Setup (WPS) Method *****/
80 #define ARM_WIFI_WPS_METHOD_NONE 0U ///< Not used
81 #define ARM_WIFI_WPS_METHOD_PBC 1U ///< Push Button Configuration
82 #define ARM_WIFI_WPS_METHOD_PIN 2U ///< PIN
84 /****** WiFi IPv6 Dynamic Host Configuration Protocol (DHCP) Mode *****/
85 #define ARM_WIFI_IP6_DHCP_OFF 0U ///< Static Host Configuration (default)
86 #define ARM_WIFI_IP6_DHCP_STATELESS 1U ///< Dynamic Host Configuration stateless DHCPv6
87 #define ARM_WIFI_IP6_DHCP_STATEFULL 2U ///< Dynamic Host Configuration statefull DHCPv6
89 /****** WiFi Event *****/
90 #define ARM_WIFI_EVENT_AP_CONNECT (1UL << 0) ///< Access Point: Station has connected; arg = &mac, mac (uint8_t[6])
91 #define ARM_WIFI_EVENT_AP_DISCONNECT (1UL << 1) ///< Access Point: Station has disconnected; arg = &mac, mac (uint8_t[6])
92 #define ARM_WIFI_EVENT_ETH_RX_FRAME (1UL << 4) ///< Ethernet Frame Received (in bypass mode only); arg = interface (0 = Station, 1 = Access Point)
96 \brief WiFi Configuration
98 typedef struct ARM_WIFI_CONFIG_s {
99 const char *ssid; ///< Pointer to Service Set Identifier (SSID) null-terminated string
100 const char *pass; ///< Pointer to Password null-terminated string
101 uint8_t security; ///< Security type (ARM_WIFI_SECURITY_xxx)
102 uint8_t ch; ///< WiFi Channel (0 = auto, otherwise = exact channel)
103 uint8_t reserved; ///< Reserved
104 uint8_t wps_method; ///< WiFi Protected Setup (WPS) method (ARM_WIFI_WPS_METHOD_xxx)
105 const char *wps_pin; ///< Pointer to WiFi Protected Setup (WPS) PIN null-terminated string
109 \brief WiFi Scan Information
111 typedef struct ARM_WIFI_SCAN_INFO_s {
112 char ssid[32+1]; ///< Service Set Identifier (SSID) null-terminated string
113 uint8_t bssid[6]; ///< Basic Service Set Identifier (BSSID)
114 uint8_t security; ///< Security type (ARM_WIFI_SECURITY_xxx)
115 uint8_t ch; ///< WiFi Channel
116 uint8_t rssi; ///< Received Signal Strength Indicator
117 } ARM_WIFI_SCAN_INFO_t;
120 \brief WiFi Network Information
122 typedef struct ARM_WIFI_NET_INFO_s {
123 char ssid[32+1]; ///< Service Set Identifier (SSID) null-terminated string
124 char pass[64+1]; ///< Password null-terminated string
125 uint8_t security; ///< Security type (ARM_WIFI_SECURITY_xxx)
126 uint8_t ch; ///< WiFi Channel
127 uint8_t rssi; ///< Received Signal Strength Indicator
128 } ARM_WIFI_NET_INFO_t;
130 /****** Socket Address Family definitions *****/
131 #define ARM_SOCKET_AF_INET 1 ///< IPv4
132 #define ARM_SOCKET_AF_INET6 2 ///< IPv6
134 /****** Socket Type definitions *****/
135 #define ARM_SOCKET_SOCK_STREAM 1 ///< Stream socket
136 #define ARM_SOCKET_SOCK_DGRAM 2 ///< Datagram socket
138 /****** Socket Protocol definitions *****/
139 #define ARM_SOCKET_IPPROTO_TCP 1 ///< TCP
140 #define ARM_SOCKET_IPPROTO_UDP 2 ///< UDP
142 /****** Socket Option definitions *****/
143 #define ARM_SOCKET_IO_FIONBIO 1 ///< Non-blocking I/O (Set only, default = 0); opt_val = &nbio, opt_len = sizeof(nbio), nbio (integer): 0=blocking, non-blocking otherwise
144 #define ARM_SOCKET_SO_RCVTIMEO 2 ///< Receive timeout in ms (default = 0); opt_val = &timeout, opt_len = sizeof(timeout)
145 #define ARM_SOCKET_SO_SNDTIMEO 3 ///< Send timeout in ms (default = 0); opt_val = &timeout, opt_len = sizeof(timeout)
146 #define ARM_SOCKET_SO_KEEPALIVE 4 ///< Keep-alive messages (default = 0); opt_val = &keepalive, opt_len = sizeof(keepalive), keepalive (integer): 0=disabled, enabled otherwise
147 #define ARM_SOCKET_SO_TYPE 5 ///< Socket Type (Get only); opt_val = &socket_type, opt_len = sizeof(socket_type), socket_type (integer): ARM_SOCKET_SOCK_xxx
149 /****** Socket Function return codes *****/
150 #define ARM_SOCKET_ERROR (-1) ///< Unspecified error
151 #define ARM_SOCKET_ESOCK (-2) ///< Invalid socket
152 #define ARM_SOCKET_EINVAL (-3) ///< Invalid argument
153 #define ARM_SOCKET_ENOTSUP (-4) ///< Operation not supported
154 #define ARM_SOCKET_ENOMEM (-5) ///< Not enough memory
155 #define ARM_SOCKET_EAGAIN (-6) ///< Operation would block or timed out
156 #define ARM_SOCKET_EINPROGRESS (-7) ///< Operation in progress
157 #define ARM_SOCKET_ETIMEDOUT (-8) ///< Operation timed out
158 #define ARM_SOCKET_EISCONN (-9) ///< Socket is connected
159 #define ARM_SOCKET_ENOTCONN (-10) ///< Socket is not connected
160 #define ARM_SOCKET_ECONNREFUSED (-11) ///< Connection rejected by the peer
161 #define ARM_SOCKET_ECONNRESET (-12) ///< Connection reset by the peer
162 #define ARM_SOCKET_ECONNABORTED (-13) ///< Connection aborted locally
163 #define ARM_SOCKET_EALREADY (-14) ///< Connection already in progress
164 #define ARM_SOCKET_EADDRINUSE (-15) ///< Address in use
165 #define ARM_SOCKET_EHOSTNOTFOUND (-16) ///< Host not found
168 // Function documentation
170 \fn ARM_DRIVER_VERSION ARM_WIFI_GetVersion (void)
171 \brief Get driver version.
172 \return \ref ARM_DRIVER_VERSION
175 \fn ARM_WIFI_CAPABILITIES ARM_WIFI_GetCapabilities (void)
176 \brief Get driver capabilities.
177 \return \ref ARM_WIFI_CAPABILITIES
180 \fn int32_t ARM_WIFI_Initialize (ARM_WIFI_SignalEvent_t cb_event)
181 \brief Initialize WiFi Module.
182 \param[in] cb_event Pointer to \ref ARM_WIFI_SignalEvent_t
183 \return execution status
184 - \ref ARM_DRIVER_OK : Operation successful
185 - \ref ARM_DRIVER_ERROR : Operation failed
188 \fn int32_t ARM_WIFI_Uninitialize (void)
189 \brief De-initialize WiFi Module.
190 \return execution status
191 - \ref ARM_DRIVER_OK : Operation successful
192 - \ref ARM_DRIVER_ERROR : Operation failed
195 \fn int32_t ARM_WIFI_PowerControl (ARM_POWER_STATE state)
196 \brief Control WiFi Module Power.
197 \param[in] state Power state
198 - \ref ARM_POWER_OFF : Power off: no operation possible
199 - \ref ARM_POWER_LOW : Low-power mode: sleep or deep-sleep depending on \ref ARM_WIFI_LP_TIMER option set
200 - \ref ARM_POWER_FULL : Power on: full operation at maximum performance
201 \return execution status
202 - \ref ARM_DRIVER_OK : Operation successful
203 - \ref ARM_DRIVER_ERROR : Operation failed
204 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
205 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid state)
208 \fn int32_t ARM_WIFI_GetModuleInfo (char *module_info, uint32_t max_len)
209 \brief Get Module information.
210 \param[out] module_info Pointer to character buffer were info string will be returned
211 \param[in] max_len Maximum length of string to return (including null terminator)
212 \return execution status
213 - \ref ARM_DRIVER_OK : Operation successful
214 - \ref ARM_DRIVER_ERROR : Operation failed
215 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
216 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (NULL module_info pointer or max_len equals to 0)
219 \fn int32_t ARM_WIFI_SetOption (uint32_t interface, uint32_t option, const void *data, uint32_t len)
220 \brief Set WiFi Module Options.
221 \param[in] interface Interface (0 = Station, 1 = Access Point)
222 \param[in] option Option to set
223 \param[in] data Pointer to data relevant to selected option
224 \param[in] len Length of data (in bytes)
225 \return execution status
226 - \ref ARM_DRIVER_OK : Operation successful
227 - \ref ARM_DRIVER_ERROR : Operation failed
228 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
229 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface, NULL data pointer or len less than option specifies)
232 \fn int32_t ARM_WIFI_GetOption (uint32_t interface, uint32_t option, void *data, uint32_t *len)
233 \brief Get WiFi Module Options.
234 \param[in] interface Interface (0 = Station, 1 = Access Point)
235 \param[in] option Option to get
236 \param[out] data Pointer to memory where data for selected option will be returned
237 \param[in,out] len Pointer to length of data (input/output)
238 - input: maximum length of data that can be returned (in bytes)
239 - output: length of returned data (in bytes)
240 \return execution status
241 - \ref ARM_DRIVER_OK : Operation successful
242 - \ref ARM_DRIVER_ERROR : Operation failed
243 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
244 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface, NULL data or len pointer, or *len less than option specifies)
247 \fn int32_t ARM_WIFI_Scan (ARM_WIFI_SCAN_INFO_t scan_info[], uint32_t max_num)
248 \brief Scan for available networks in range.
249 \param[out] scan_info Pointer to array of ARM_WIFI_SCAN_INFO_t structures where available Scan Information will be returned
250 \param[in] max_num Maximum number of Network Information structures to return
251 \return number of ARM_WIFI_SCAN_INFO_t structures returned or error code
252 - value >= 0 : Number of ARM_WIFI_SCAN_INFO_t structures returned
253 - \ref ARM_DRIVER_ERROR : Operation failed
254 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (NULL scan_info pointer or max_num equal to 0)
257 \fn int32_t ARM_WIFI_Activate (uint32_t interface, const ARM_WIFI_CONFIG_t *config)
258 \brief Activate interface (Connect to a wireless network or activate an access point).
259 \param[in] interface Interface (0 = Station, 1 = Access Point)
260 \param[in] config Pointer to ARM_WIFI_CONFIG_t structure where Configuration parameters are located
261 \return execution status
262 - \ref ARM_DRIVER_OK : Operation successful
263 - \ref ARM_DRIVER_ERROR : Operation failed
264 - \ref ARM_DRIVER_ERROR_TIMEOUT : Timeout occurred
265 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported (security type, channel autodetect or WPS not supported)
266 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface, NULL config pointer or invalid configuration)
269 \fn int32_t ARM_WIFI_Deactivate (uint32_t interface)
270 \brief Deactivate interface (Disconnect from a wireless network or deactivate an access point).
271 \param[in] interface Interface (0 = Station, 1 = Access Point)
272 \return execution status
273 - \ref ARM_DRIVER_OK : Operation successful
274 - \ref ARM_DRIVER_ERROR : Operation failed
275 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface)
278 \fn uint32_t ARM_WIFI_IsConnected (void)
279 \brief Get station connection status.
280 \return station connection status
281 - value != 0: Station connected
282 - value = 0: Station not connected
285 \fn int32_t ARM_WIFI_GetNetInfo (ARM_WIFI_NET_INFO_t *net_info)
286 \brief Get station Network Information.
287 \param[out] net_info Pointer to ARM_WIFI_NET_INFO_t structure where station Network Information will be returned
288 \return execution status
289 - \ref ARM_DRIVER_OK : Operation successful
290 - \ref ARM_DRIVER_ERROR : Operation failed (station not connected)
291 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
292 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface or NULL net_info pointer)
295 \fn int32_t ARM_WIFI_BypassControl (uint32_t interface, uint32_t mode)
296 \brief Enable or disable bypass (pass-through) mode. Transmit and receive Ethernet frames (IP layer bypassed and WiFi/Ethernet translation).
297 \param[in] interface Interface (0 = Station, 1 = Access Point)
299 - value = 1: all packets bypass internal IP stack
300 - value = 0: all packets processed by internal IP stack
301 \return execution status
302 - \ref ARM_DRIVER_OK : Operation successful
303 - \ref ARM_DRIVER_ERROR : Operation failed
304 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
305 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface or mode)
308 \fn int32_t ARM_WIFI_EthSendFrame (uint32_t interface, const uint8_t *frame, uint32_t len)
309 \brief Send Ethernet frame (in bypass mode only).
310 \param[in] interface Interface (0 = Station, 1 = Access Point)
311 \param[in] frame Pointer to frame buffer with data to send
312 \param[in] len Frame buffer length in bytes
313 \return execution status
314 - \ref ARM_DRIVER_OK : Operation successful
315 - \ref ARM_DRIVER_ERROR : Operation failed
316 - \ref ARM_DRIVER_ERROR_BUSY : Driver is busy
317 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
318 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface or NULL frame pointer)
321 \fn int32_t ARM_WIFI_EthReadFrame (uint32_t interface, uint8_t *frame, uint32_t len)
322 \brief Read data of received Ethernet frame (in bypass mode only).
323 \param[in] interface Interface (0 = Station, 1 = Access Point)
324 \param[in] frame Pointer to frame buffer for data to read into
325 \param[in] len Frame buffer length in bytes
326 \return number of data bytes read or error code
327 - value >= 0 : Number of data bytes read
328 - \ref ARM_DRIVER_ERROR : Operation failed
329 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
330 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (invalid interface or NULL frame pointer)
333 \fn uint32_t ARM_WIFI_EthGetRxFrameSize (uint32_t interface)
334 \brief Get size of received Ethernet frame (in bypass mode only).
335 \param[in] interface Interface (0 = Station, 1 = Access Point)
336 \return number of bytes in received frame
339 \fn int32_t ARM_WIFI_SocketCreate (int32_t af, int32_t type, int32_t protocol)
340 \brief Create a communication socket.
341 \param[in] af Address family
342 \param[in] type Socket type
343 \param[in] protocol Socket protocol
344 \return status information
345 - Socket identification number (>=0)
346 - \ref ARM_SOCKET_EINVAL : Invalid argument
347 - \ref ARM_SOCKET_ENOTSUP : Operation not supported
348 - \ref ARM_SOCKET_ENOMEM : Not enough memory
349 - \ref ARM_SOCKET_ERROR : Unspecified error
352 \fn int32_t ARM_WIFI_SocketBind (int32_t socket, const uint8_t *ip, uint32_t ip_len, uint16_t port)
353 \brief Assign a local address to a socket.
354 \param[in] socket Socket identification number
355 \param[in] ip Pointer to local IP address
356 \param[in] ip_len Length of 'ip' address in bytes
357 \param[in] port Local port number
358 \return status information
359 - 0 : Operation successful
360 - \ref ARM_SOCKET_ESOCK : Invalid socket
361 - \ref ARM_SOCKET_EINVAL : Invalid argument (address or socket already bound)
362 - \ref ARM_SOCKET_EADDRINUSE : Address already in use
363 - \ref ARM_SOCKET_ERROR : Unspecified error
366 \fn int32_t ARM_WIFI_SocketListen (int32_t socket, int32_t backlog)
367 \brief Listen for socket connections.
368 \param[in] socket Socket identification number
369 \param[in] backlog Number of connection requests that can be queued
370 \return status information
371 - 0 : Operation successful
372 - \ref ARM_SOCKET_ESOCK : Invalid socket
373 - \ref ARM_SOCKET_EINVAL : Invalid argument (socket not bound)
374 - \ref ARM_SOCKET_ENOTSUP : Operation not supported
375 - \ref ARM_SOCKET_EISCONN : Socket is already connected
376 - \ref ARM_SOCKET_ERROR : Unspecified error
379 \fn int32_t ARM_WIFI_SocketAccept (int32_t socket, uint8_t *ip, uint32_t *ip_len, uint16_t *port)
380 \brief Accept a new connection on a socket.
381 \param[in] socket Socket identification number
382 \param[out] ip Pointer to buffer where address of connecting socket shall be returned (NULL for none)
383 \param[in,out] ip_len Pointer to length of 'ip' (or NULL if 'ip' is NULL)
384 - length of supplied 'ip' on input
385 - length of stored 'ip' on output
386 \param[out] port Pointer to buffer where port of connecting socket shall be returned (NULL for none)
387 \return status information
388 - socket identification number of accepted socket (>=0)
389 - \ref ARM_SOCKET_ESOCK : Invalid socket
390 - \ref ARM_SOCKET_EINVAL : Invalid argument (socket not in listen mode)
391 - \ref ARM_SOCKET_ENOTSUP : Operation not supported (socket type does not support accepting connections)
392 - \ref ARM_SOCKET_ECONNRESET : Connection reset by the peer
393 - \ref ARM_SOCKET_ECONNABORTED : Connection aborted locally
394 - \ref ARM_SOCKET_EAGAIN : Operation would block or timed out (may be called again)
395 - \ref ARM_SOCKET_ERROR : Unspecified error
398 \fn int32_t ARM_WIFI_SocketConnect (int32_t socket, const uint8_t *ip, uint32_t ip_len, uint16_t port)
399 \brief Connect a socket to a remote host.
400 \param[in] socket Socket identification number
401 \param[in] ip Pointer to remote IP address
402 \param[in] ip_len Length of 'ip' address in bytes
403 \param[in] port Remote port number
404 \return status information
405 - 0 : Operation successful
406 - \ref ARM_SOCKET_ESOCK : Invalid socket
407 - \ref ARM_SOCKET_EINVAL : Invalid argument
408 - \ref ARM_SOCKET_EALREADY : Connection already in progress
409 - \ref ARM_SOCKET_EINPROGRESS : Operation in progress
410 - \ref ARM_SOCKET_EISCONN : Socket is connected
411 - \ref ARM_SOCKET_ECONNREFUSED : Connection rejected by the peer
412 - \ref ARM_SOCKET_ECONNABORTED : Connection aborted locally
413 - \ref ARM_SOCKET_EADDRINUSE : Address already in use
414 - \ref ARM_SOCKET_ETIMEDOUT : Operation timed out
415 - \ref ARM_SOCKET_ERROR : Unspecified error
418 \fn int32_t ARM_WIFI_SocketRecv (int32_t socket, void *buf, uint32_t len)
419 \brief Receive data or check if data is available on a connected socket.
420 \param[in] socket Socket identification number
421 \param[out] buf Pointer to buffer where data should be stored
422 \param[in] len Length of buffer (in bytes), set len = 0 to check if data is available
423 \return status information
424 - number of bytes received (>=0), if len != 0
425 - 0 : Data is available (len = 0)
426 - \ref ARM_SOCKET_ESOCK : Invalid socket
427 - \ref ARM_SOCKET_EINVAL : Invalid argument (pointer to buffer or length)
428 - \ref ARM_SOCKET_ENOTCONN : Socket is not connected
429 - \ref ARM_SOCKET_ECONNRESET : Connection reset by the peer
430 - \ref ARM_SOCKET_ECONNABORTED : Connection aborted locally
431 - \ref ARM_SOCKET_EAGAIN : Operation would block or timed out (may be called again)
432 - \ref ARM_SOCKET_ERROR : Unspecified error
435 \fn int32_t ARM_WIFI_SocketRecvFrom (int32_t socket, void *buf, uint32_t len, uint8_t *ip, uint32_t *ip_len, uint16_t *port)
436 \brief Receive data or check if data is available on a socket.
437 \param[in] socket Socket identification number
438 \param[out] buf Pointer to buffer where data should be stored
439 \param[in] len Length of buffer (in bytes), set len = 0 to check if data is available
440 \param[out] ip Pointer to buffer where remote source address shall be returned (NULL for none)
441 \param[in,out] ip_len Pointer to length of 'ip' (or NULL if 'ip' is NULL)
442 - length of supplied 'ip' on input
443 - length of stored 'ip' on output
444 \param[out] port Pointer to buffer where remote source port shall be returned (NULL for none)
445 \return status information
446 - number of bytes received (>=0), if len != 0
447 - 0 : Data is available (len = 0)
448 - \ref ARM_SOCKET_ESOCK : Invalid socket
449 - \ref ARM_SOCKET_EINVAL : Invalid argument (pointer to buffer or length)
450 - \ref ARM_SOCKET_ENOTCONN : Socket is not connected
451 - \ref ARM_SOCKET_ECONNRESET : Connection reset by the peer
452 - \ref ARM_SOCKET_ECONNABORTED : Connection aborted locally
453 - \ref ARM_SOCKET_EAGAIN : Operation would block or timed out (may be called again)
454 - \ref ARM_SOCKET_ERROR : Unspecified error
457 \fn int32_t ARM_WIFI_SocketSend (int32_t socket, const void *buf, uint32_t len)
458 \brief Send data or check if data can be sent on a connected socket.
459 \param[in] socket Socket identification number
460 \param[in] buf Pointer to buffer containing data to send
461 \param[in] len Length of data (in bytes), set len = 0 to check if data can be sent
462 \return status information
463 - number of bytes sent (>=0), if len != 0
464 - 0 : Data can be sent (len = 0)
465 - \ref ARM_SOCKET_ESOCK : Invalid socket
466 - \ref ARM_SOCKET_EINVAL : Invalid argument (pointer to buffer or length)
467 - \ref ARM_SOCKET_ENOTCONN : Socket is not connected
468 - \ref ARM_SOCKET_ECONNRESET : Connection reset by the peer
469 - \ref ARM_SOCKET_ECONNABORTED : Connection aborted locally
470 - \ref ARM_SOCKET_EAGAIN : Operation would block or timed out (may be called again)
471 - \ref ARM_SOCKET_ERROR : Unspecified error
474 \fn int32_t ARM_WIFI_SocketSendTo (int32_t socket, const void *buf, uint32_t len, const uint8_t *ip, uint32_t ip_len, uint16_t port)
475 \brief Send data or check if data can be sent on a socket.
476 \param[in] socket Socket identification number
477 \param[in] buf Pointer to buffer containing data to send
478 \param[in] len Length of data (in bytes), set len = 0 to check if data can be sent
479 \param[in] ip Pointer to remote destination IP address
480 \param[in] ip_len Length of 'ip' address in bytes
481 \param[in] port Remote destination port number
482 \return status information
483 - number of bytes sent (>=0), if len != 0
484 - 0 : Data can be sent (len = 0)
485 - \ref ARM_SOCKET_ESOCK : Invalid socket
486 - \ref ARM_SOCKET_EINVAL : Invalid argument (pointer to buffer or length)
487 - \ref ARM_SOCKET_ENOTCONN : Socket is not connected
488 - \ref ARM_SOCKET_ECONNRESET : Connection reset by the peer
489 - \ref ARM_SOCKET_ECONNABORTED : Connection aborted locally
490 - \ref ARM_SOCKET_EAGAIN : Operation would block or timed out (may be called again)
491 - \ref ARM_SOCKET_ERROR : Unspecified error
494 \fn int32_t ARM_WIFI_SocketGetSockName (int32_t socket, uint8_t *ip, uint32_t *ip_len, uint16_t *port)
495 \brief Retrieve local IP address and port of a socket.
496 \param[in] socket Socket identification number
497 \param[out] ip Pointer to buffer where local address shall be returned (NULL for none)
498 \param[in,out] ip_len Pointer to length of 'ip' (or NULL if 'ip' is NULL)
499 - length of supplied 'ip' on input
500 - length of stored 'ip' on output
501 \param[out] port Pointer to buffer where local port shall be returned (NULL for none)
502 \return status information
503 - 0 : Operation successful
504 - \ref ARM_SOCKET_ESOCK : Invalid socket
505 - \ref ARM_SOCKET_EINVAL : Invalid argument (pointer to buffer or length)
506 - \ref ARM_SOCKET_ERROR : Unspecified error
509 \fn int32_t ARM_WIFI_SocketGetPeerName (int32_t socket, uint8_t *ip, uint32_t *ip_len, uint16_t *port)
510 \brief Retrieve remote IP address and port of a socket.
511 \param[in] socket Socket identification number
512 \param[out] ip Pointer to buffer where remote address shall be returned (NULL for none)
513 \param[in,out] ip_len Pointer to length of 'ip' (or NULL if 'ip' is NULL)
514 - length of supplied 'ip' on input
515 - length of stored 'ip' on output
516 \param[out] port Pointer to buffer where remote port shall be returned (NULL for none)
517 \return status information
518 - 0 : Operation successful
519 - \ref ARM_SOCKET_ESOCK : Invalid socket
520 - \ref ARM_SOCKET_EINVAL : Invalid argument (pointer to buffer or length)
521 - \ref ARM_SOCKET_ENOTCONN : Socket is not connected
522 - \ref ARM_SOCKET_ERROR : Unspecified error
525 \fn int32_t ARM_WIFI_SocketGetOpt (int32_t socket, int32_t opt_id, void *opt_val, uint32_t *opt_len)
526 \brief Get socket option.
527 \param[in] socket Socket identification number
528 \param[in] opt_id Option identifier
529 \param[out] opt_val Pointer to the buffer that will receive the option value
530 \param[in,out] opt_len Pointer to length of the option value
531 - length of buffer on input
532 - length of data on output
533 \return status information
534 - 0 : Operation successful
535 - \ref ARM_SOCKET_ESOCK : Invalid socket
536 - \ref ARM_SOCKET_EINVAL : Invalid argument
537 - \ref ARM_SOCKET_ENOTSUP : Operation not supported
538 - \ref ARM_SOCKET_ERROR : Unspecified error
541 \fn int32_t ARM_WIFI_SocketSetOpt (int32_t socket, int32_t opt_id, const void *opt_val, uint32_t opt_len)
542 \brief Set socket option.
543 \param[in] socket Socket identification number
544 \param[in] opt_id Option identifier
545 \param[in] opt_val Pointer to the option value
546 \param[in] opt_len Length of the option value in bytes
547 \return status information
548 - 0 : Operation successful
549 - \ref ARM_SOCKET_ESOCK : Invalid socket
550 - \ref ARM_SOCKET_EINVAL : Invalid argument
551 - \ref ARM_SOCKET_ENOTSUP : Operation not supported
552 - \ref ARM_SOCKET_ERROR : Unspecified error
555 \fn int32_t ARM_WIFI_SocketClose (int32_t socket)
556 \brief Close and release a socket.
557 \param[in] socket Socket identification number
558 \return status information
559 - 0 : Operation successful
560 - \ref ARM_SOCKET_ESOCK : Invalid socket
561 - \ref ARM_SOCKET_EAGAIN : Operation would block (may be called again)
562 - \ref ARM_SOCKET_ERROR : Unspecified error
565 \fn int32_t ARM_WIFI_SocketGetHostByName (const char *name, int32_t af, uint8_t *ip, uint32_t *ip_len)
566 \brief Retrieve host IP address from host name.
567 \param[in] name Host name
568 \param[in] af Address family
569 \param[out] ip Pointer to buffer where resolved IP address shall be returned
570 \param[in,out] ip_len Pointer to length of 'ip'
571 - length of supplied 'ip' on input
572 - length of stored 'ip' on output
573 \return status information
574 - 0 : Operation successful
575 - \ref ARM_SOCKET_EINVAL : Invalid argument
576 - \ref ARM_SOCKET_ENOTSUP : Operation not supported
577 - \ref ARM_SOCKET_ETIMEDOUT : Operation timed out
578 - \ref ARM_SOCKET_EHOSTNOTFOUND : Host not found
579 - \ref ARM_SOCKET_ERROR : Unspecified error
582 \fn int32_t ARM_WIFI_Ping (const uint8_t *ip, uint32_t ip_len)
583 \brief Probe remote host with Ping command.
584 \param[in] ip Pointer to remote host IP address
585 \param[in] ip_len Length of 'ip' address in bytes
586 \return execution status
587 - \ref ARM_DRIVER_OK : Operation successful
588 - \ref ARM_DRIVER_ERROR : Operation failed
589 - \ref ARM_DRIVER_ERROR_TIMEOUT : Timeout occurred
590 - \ref ARM_DRIVER_ERROR_UNSUPPORTED : Operation not supported
591 - \ref ARM_DRIVER_ERROR_PARAMETER : Parameter error (NULL ip pointer or ip_len different than 4 or 16)
594 \fn void ARM_WIFI_SignalEvent (uint32_t event, void *arg)
595 \brief Signal WiFi Events.
596 \param[in] event \ref wifi_event notification mask
597 \param[in] arg Pointer to argument of signaled event
601 typedef void (*ARM_WIFI_SignalEvent_t) (uint32_t event, void *arg); ///< Pointer to \ref ARM_WIFI_SignalEvent : Signal WiFi Event.
605 \brief WiFi Driver Capabilities.
607 typedef struct _ARM_WIFI_CAPABILITIES {
608 uint32_t station : 1; ///< Station
609 uint32_t ap : 1; ///< Access Point
610 uint32_t station_ap : 1; ///< Concurrent Station and Access Point
611 uint32_t wps_station : 1; ///< WiFi Protected Setup (WPS) for Station
612 uint32_t wps_ap : 1; ///< WiFi Protected Setup (WPS) for Access Point
613 uint32_t event_ap_connect : 1; ///< Access Point: event generated on Station connect
614 uint32_t event_ap_disconnect : 1; ///< Access Point: event generated on Station disconnect
615 uint32_t event_eth_rx_frame : 1; ///< Event generated on Ethernet frame reception in bypass mode
616 uint32_t bypass_mode : 1; ///< Bypass or pass-through mode (Ethernet interface)
617 uint32_t ip : 1; ///< IP (UDP/TCP) (Socket interface)
618 uint32_t ip6 : 1; ///< IPv6 (Socket interface)
619 uint32_t ping : 1; ///< Ping (ICMP)
620 uint32_t reserved : 20; ///< Reserved (must be zero)
621 } ARM_WIFI_CAPABILITIES;
624 \brief Access structure of the WiFi Driver.
626 typedef struct _ARM_DRIVER_WIFI {
627 ARM_DRIVER_VERSION (*GetVersion) (void);
628 ARM_WIFI_CAPABILITIES (*GetCapabilities) (void);
629 int32_t (*Initialize) (ARM_WIFI_SignalEvent_t cb_event);
630 int32_t (*Uninitialize) (void);
631 int32_t (*PowerControl) (ARM_POWER_STATE state);
632 int32_t (*GetModuleInfo) (char *module_info, uint32_t max_len);
633 int32_t (*SetOption) (uint32_t interface, uint32_t option, const void *data, uint32_t len);
634 int32_t (*GetOption) (uint32_t interface, uint32_t option, void *data, uint32_t *len);
635 int32_t (*Scan) (ARM_WIFI_SCAN_INFO_t scan_info[], uint32_t max_num);
636 int32_t (*Activate) (uint32_t interface, const ARM_WIFI_CONFIG_t *config);
637 int32_t (*Deactivate) (uint32_t interface);
638 uint32_t (*IsConnected) (void);
639 int32_t (*GetNetInfo) (ARM_WIFI_NET_INFO_t *net_info);
640 int32_t (*BypassControl) (uint32_t interface, uint32_t mode);
641 int32_t (*EthSendFrame) (uint32_t interface, const uint8_t *frame, uint32_t len);
642 int32_t (*EthReadFrame) (uint32_t interface, uint8_t *frame, uint32_t len);
643 uint32_t (*EthGetRxFrameSize) (uint32_t interface);
644 int32_t (*SocketCreate) (int32_t af, int32_t type, int32_t protocol);
645 int32_t (*SocketBind) (int32_t socket, const uint8_t *ip, uint32_t ip_len, uint16_t port);
646 int32_t (*SocketListen) (int32_t socket, int32_t backlog);
647 int32_t (*SocketAccept) (int32_t socket, uint8_t *ip, uint32_t *ip_len, uint16_t *port);
648 int32_t (*SocketConnect) (int32_t socket, const uint8_t *ip, uint32_t ip_len, uint16_t port);
649 int32_t (*SocketRecv) (int32_t socket, void *buf, uint32_t len);
650 int32_t (*SocketRecvFrom) (int32_t socket, void *buf, uint32_t len, uint8_t *ip, uint32_t *ip_len, uint16_t *port);
651 int32_t (*SocketSend) (int32_t socket, const void *buf, uint32_t len);
652 int32_t (*SocketSendTo) (int32_t socket, const void *buf, uint32_t len, const uint8_t *ip, uint32_t ip_len, uint16_t port);
653 int32_t (*SocketGetSockName) (int32_t socket, uint8_t *ip, uint32_t *ip_len, uint16_t *port);
654 int32_t (*SocketGetPeerName) (int32_t socket, uint8_t *ip, uint32_t *ip_len, uint16_t *port);
655 int32_t (*SocketGetOpt) (int32_t socket, int32_t opt_id, void *opt_val, uint32_t *opt_len);
656 int32_t (*SocketSetOpt) (int32_t socket, int32_t opt_id, const void *opt_val, uint32_t opt_len);
657 int32_t (*SocketClose) (int32_t socket);
658 int32_t (*SocketGetHostByName) (const char *name, int32_t af, uint8_t *ip, uint32_t *ip_len);
659 int32_t (*Ping) (const uint8_t *ip, uint32_t ip_len);
660 } const ARM_DRIVER_WIFI;
666 #endif /* DRIVER_WIFI_H_ */