begriffs open source - cmsis/blob - CMSIS/Driver/DriverTemplates/Driver_Flash.c

   1 /*
   2  * Copyright (c) 2013-2020 Arm Limited. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: Apache-2.0
   5  *
   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
   9  *
  10  * www.apache.org/licenses/LICENSE-2.0
  11  *
  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.
  17  */
  18
  19 #include "Driver_Flash.h"
  20
  21 #define ARM_FLASH_DRV_VERSION    ARM_DRIVER_VERSION_MAJOR_MINOR(1, 0) /* driver version */
  22
  23 /* Sector Information */
  24 #ifdef FLASH_SECTORS
  25 static ARM_FLASH_SECTOR FLASH_SECTOR_INFO[FLASH_SECTOR_COUNT] = {
  26     FLASH_SECTORS
  27 };
  28 #else
  29 #define FLASH_SECTOR_INFO    NULL
  30 #endif
  31
  32 /* Flash Information */
  33 static ARM_FLASH_INFO FlashInfo = {
  34     0, /* FLASH_SECTOR_INFO  */
  35     0, /* FLASH_SECTOR_COUNT */
  36     0, /* FLASH_SECTOR_SIZE  */
  37     0, /* FLASH_PAGE_SIZE    */
  38     0, /* FLASH_PROGRAM_UNIT */
  39     0, /* FLASH_ERASED_VALUE */
  40   { 0, 0, 0 }  /* Reserved (must be zero) */
  41 };
  42
  43 /* Flash Status */
  44 static ARM_FLASH_STATUS FlashStatus;
  45
  46 /* Driver Version */
  47 static const ARM_DRIVER_VERSION DriverVersion = {
  48     ARM_FLASH_API_VERSION,
  49     ARM_FLASH_DRV_VERSION
  50 };
  51
  52 /* Driver Capabilities */
  53 static const ARM_FLASH_CAPABILITIES DriverCapabilities = {
  54     0, /* event_ready */
  55     0, /* data_width = 0:8-bit, 1:16-bit, 2:32-bit */
  56     0, /* erase_chip */
  57     0  /* reserved (must be zero) */
  58 };
  59
  60 //
  61 // Functions
  62 //
  63
  64 static ARM_DRIVER_VERSION ARM_Flash_GetVersion(void)
  65 {
  66   return DriverVersion;
  67 }
  68
  69 static ARM_FLASH_CAPABILITIES ARM_Flash_GetCapabilities(void)
  70 {
  71   return DriverCapabilities;
  72 }
  73
  74 static int32_t ARM_Flash_Initialize(ARM_Flash_SignalEvent_t cb_event)
  75 {
  76 }
  77
  78 static int32_t ARM_Flash_Uninitialize(void)
  79 {
  80 }
  81
  82 static int32_t ARM_Flash_PowerControl(ARM_POWER_STATE state)
  83 {
  84     switch (state)
  85     {
  86     case ARM_POWER_OFF:
  87         break;
  88
  89     case ARM_POWER_LOW:
  90         break;
  91
  92     case ARM_POWER_FULL:
  93         break;
  94     }
  95     return ARM_DRIVER_OK;
  96 }
  97
  98 static int32_t ARM_Flash_ReadData(uint32_t addr, void *data, uint32_t cnt)
  99 {
 100 }
 101
 102 static int32_t ARM_Flash_ProgramData(uint32_t addr, const void *data, uint32_t cnt)
 103 {
 104 }
 105
 106 static int32_t ARM_Flash_EraseSector(uint32_t addr)
 107 {
 108 }
 109
 110 static int32_t ARM_Flash_EraseChip(void)
 111 {
 112 }
 113
 114 static ARM_FLASH_STATUS ARM_Flash_GetStatus(void)
 115 {
 116   return FlashStatus;
 117 }
 118
 119 static ARM_FLASH_INFO * ARM_Flash_GetInfo(void)
 120 {
 121   return &FlashInfo;
 122 }
 123
 124 static void ARM_Flash_SignalEvent(uint32_t event)
 125 {
 126 }
 127
 128 // End Flash Interface
 129
 130 extern \
 131 ARM_DRIVER_FLASH Driver_Flash0;
 132 ARM_DRIVER_FLASH Driver_Flash0 = {
 133     ARM_Flash_GetVersion,
 134     ARM_Flash_GetCapabilities,
 135     ARM_Flash_Initialize,
 136     ARM_Flash_Uninitialize,
 137     ARM_Flash_PowerControl,
 138     ARM_Flash_ReadData,
 139     ARM_Flash_ProgramData,
 140     ARM_Flash_EraseSector,
 141     ARM_Flash_EraseChip,
 142     ARM_Flash_GetStatus,
 143     ARM_Flash_GetInfo
 144 };