src/main/msc/usbd_storage_sd_spi.c

   1 /**
   2   ******************************************************************************
   3   * @file    usbd_storage_template.c
   4   * @author  MCD Application Team
   5   * @version V1.2.0
   6   * @date    09-November-2015
   7   * @brief   Memory management layer
   8   ******************************************************************************
   9   * @attention
  10   *
  11   * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
  12   *
  13   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  14   * You may not use this file except in compliance with the License.
  15   * You may obtain a copy of the License at:
  16   *
  17   *        http://www.st.com/software_license_agreement_liberty_v2
  18   *
  19   * Unless required by applicable law or agreed to in writing, software
  20   * distributed under the License is distributed on an "AS IS" BASIS,
  21   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  22   * See the License for the specific language governing permissions and
  23   * limitations under the License.
  24   *
  25   ******************************************************************************
  26   */
  27
  28 /* Includes ------------------------------------------------------------------*/
  29 #include <stdio.h>
  30 #include <stdbool.h>
  31
  32 #include "platform.h"
  33 #include "common/utils.h"
  34
  35 #include "usbd_storage.h"
  36
  37 #include "drivers/bus_spi.h"
  38 #include "drivers/io.h"
  39 #include "drivers/light_led.h"
  40 #include "drivers/sdcard.h"
  41 #include "drivers/usb_msc.h"
  42
  43 #include "pg/sdcard.h"
  44 #include "pg/bus_spi.h"
  45
  46 /* Private typedef -----------------------------------------------------------*/
  47 /* Private define ------------------------------------------------------------*/
  48 /* Private macro -------------------------------------------------------------*/
  49 /* Private variables ---------------------------------------------------------*/
  50 /* Private function prototypes -----------------------------------------------*/
  51 /* Extern function prototypes ------------------------------------------------*/
  52 /* Private functions ---------------------------------------------------------*/
  53
  54 /* USB NVIC Priority has to be lower than both DMA and SDIO priority,
  55  * otherwise SDIO won't be able to preempt USB.
  56  */
  57
  58 #define STORAGE_LUN_NBR                  1
  59 #define STORAGE_BLK_NBR                  0x10000
  60 #define STORAGE_BLK_SIZ                  0x200
  61
  62 static int8_t STORAGE_Init (uint8_t lun);
  63
  64 #ifdef USE_HAL_DRIVER
  65 static int8_t STORAGE_GetCapacity (uint8_t lun,
  66                            uint32_t *block_num,
  67                            uint16_t *block_size);
  68 #else
  69 static int8_t STORAGE_GetCapacity (uint8_t lun,
  70                            uint32_t *block_num,
  71                            uint32_t *block_size);
  72 #endif
  73
  74 static int8_t  STORAGE_IsReady (uint8_t lun);
  75
  76 static int8_t  STORAGE_IsWriteProtected (uint8_t lun);
  77
  78 static int8_t STORAGE_Read (uint8_t lun,
  79                         uint8_t *buf,
  80                         uint32_t blk_addr,
  81                         uint16_t blk_len);
  82
  83 static int8_t STORAGE_Write (uint8_t lun,
  84                         uint8_t *buf,
  85                         uint32_t blk_addr,
  86                         uint16_t blk_len);
  87
  88 static int8_t STORAGE_GetMaxLun (void);
  89
  90 /* USB Mass storage Standard Inquiry Data */
  91 static uint8_t  STORAGE_Inquirydata[] = {//36
  92
  93   /* LUN 0 */
  94   0x00,
  95   0x80,
  96   0x02,
  97   0x02,
  98 #ifdef USE_HAL_DRIVER
  99   (STANDARD_INQUIRY_DATA_LEN - 5),
 100 #else
 101   (USBD_STD_INQUIRY_LENGTH - 5),
 102 #endif
 103   0x00,
 104   0x00,
 105   0x00,
 106   'S', 'T', 'M', ' ', ' ', ' ', ' ', ' ', /* Manufacturer : 8 bytes */
 107   'P', 'r', 'o', 'd', 'u', 't', ' ', ' ', /* Product      : 16 Bytes */
 108   ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
 109   '0', '.', '0' ,'1',                     /* Version      : 4 Bytes */
 110 };
 111
 112 #ifdef USE_HAL_DRIVER
 113 USBD_StorageTypeDef USBD_MSC_MICRO_SD_SPI_fops =
 114 {
 115   STORAGE_Init,
 116   STORAGE_GetCapacity,
 117   STORAGE_IsReady,
 118   STORAGE_IsWriteProtected,
 119   STORAGE_Read,
 120   STORAGE_Write,
 121   STORAGE_GetMaxLun,
 122   (int8_t*)STORAGE_Inquirydata,
 123 };
 124 #else
 125 USBD_STORAGE_cb_TypeDef USBD_MSC_MICRO_SD_SPI_fops =
 126 {
 127   STORAGE_Init,
 128   STORAGE_GetCapacity,
 129   STORAGE_IsReady,
 130   STORAGE_IsWriteProtected,
 131   STORAGE_Read,
 132   STORAGE_Write,
 133   STORAGE_GetMaxLun,
 134   (int8_t*)STORAGE_Inquirydata,
 135 };
 136 #endif
 137
 138 /*******************************************************************************
 139 * Function Name  : Read_Memory
 140 * Description    : Handle the Read operation from the microSD card.
 141 * Input          : None.
 142 * Output         : None.
 143 * Return         : None.
 144 *******************************************************************************/
 145 static int8_t STORAGE_Init (uint8_t lun)
 146 {
 147         UNUSED(lun);
 148         LED0_OFF;
 149         sdcard_init(sdcardConfig());
 150         while (sdcard_poll() == 0);
 151     mscSetActive();
 152         return 0;
 153 }
 154
 155 /*******************************************************************************
 156 * Function Name  : Read_Memory
 157 * Description    : Handle the Read operation from the STORAGE card.
 158 * Input          : None.
 159 * Output         : None.
 160 * Return         : None.
 161 *******************************************************************************/
 162 #ifdef USE_HAL_DRIVER
 163 static int8_t STORAGE_GetCapacity (uint8_t lun, uint32_t *block_num, uint16_t *block_size)
 164 #else
 165 static int8_t STORAGE_GetCapacity (uint8_t lun, uint32_t *block_num, uint32_t *block_size)
 166 #endif
 167 {
 168         UNUSED(lun);
 169         *block_num = sdcard_getMetadata()->numBlocks;
 170         *block_size = 512;
 171         return (0);
 172 }
 173
 174 /*******************************************************************************
 175 * Function Name  : Read_Memory
 176 * Description    : Handle the Read operation from the STORAGE card.
 177 * Input          : None.
 178 * Output         : None.
 179 * Return         : None.
 180 *******************************************************************************/
 181 static int8_t  STORAGE_IsReady (uint8_t lun)
 182 {
 183         UNUSED(lun);
 184         int8_t ret = -1;
 185         if (sdcard_poll()) {
 186         ret = 0;
 187         }
 188         return ret;
 189 }
 190
 191 /*******************************************************************************
 192 * Function Name  : Read_Memory
 193 * Description    : Handle the Read operation from the STORAGE card.
 194 * Input          : None.
 195 * Output         : None.
 196 * Return         : None.
 197 *******************************************************************************/
 198 static int8_t  STORAGE_IsWriteProtected (uint8_t lun)
 199 {
 200   UNUSED(lun);
 201   return  0;
 202 }
 203
 204 /*******************************************************************************
 205 * Function Name  : Read_Memory
 206 * Description    : Handle the Read operation from the STORAGE card.
 207 * Input          : None.
 208 * Output         : None.
 209 * Return         : None.
 210 *******************************************************************************/
 211 static int8_t STORAGE_Read (uint8_t lun,
 212                  uint8_t *buf,
 213                  uint32_t blk_addr,
 214                  uint16_t blk_len)
 215 {
 216         UNUSED(lun);
 217         for (int i = 0; i < blk_len; i++) {
 218                 while (sdcard_readBlock(blk_addr + i, buf + (512 * i), NULL, 0) == 0);
 219                 while (sdcard_poll() == 0);
 220         }
 221     mscSetActive();
 222         return 0;
 223 }
 224 /*******************************************************************************
 225 * Function Name  : Write_Memory
 226 * Description    : Handle the Write operation to the STORAGE card.
 227 * Input          : None.
 228 * Output         : None.
 229 * Return         : None.
 230 *******************************************************************************/
 231 static int8_t STORAGE_Write (uint8_t lun,
 232                   uint8_t *buf,
 233                   uint32_t blk_addr,
 234                   uint16_t blk_len)
 235 {
 236         UNUSED(lun);
 237         for (int i = 0; i < blk_len; i++) {
 238                 while (sdcard_writeBlock(blk_addr + i, buf + (i * 512), NULL, 0) != SDCARD_OPERATION_IN_PROGRESS) {
 239                         sdcard_poll();
 240                 }
 241                 while (sdcard_poll() == 0);
 242         }
 243     mscSetActive();
 244         return 0;
 245 }
 246 /*******************************************************************************
 247 * Function Name  : Write_Memory
 248 * Description    : Handle the Write operation to the STORAGE card.
 249 * Input          : None.
 250 * Output         : None.
 251 * Return         : None.
 252 *******************************************************************************/
 253 static int8_t STORAGE_GetMaxLun (void)
 254 {
 255   return (STORAGE_LUN_NBR - 1);
 256 }
 257
 258 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 259