STATIC mp_obj_t pyb_sdcard_ioctl(mp_obj_t self, mp_obj_t cmd_in, mp_obj_t arg_in) {
mp_int_t cmd = mp_obj_get_int(cmd_in);
switch (cmd) {
case BP_IOCTL_INIT:
if (!sdcard_power_on()) {
return MP_OBJ_NEW_SMALL_INT(-1); // error
}
return MP_OBJ_NEW_SMALL_INT(0); // success
case BP_IOCTL_DEINIT:
sdcard_power_off();
return MP_OBJ_NEW_SMALL_INT(0); // success
case BP_IOCTL_SYNC:
// nothing to do
return MP_OBJ_NEW_SMALL_INT(0); // success
case BP_IOCTL_SEC_COUNT:
return MP_OBJ_NEW_SMALL_INT(sdcard_get_capacity_in_bytes() / SDCARD_BLOCK_SIZE);
case BP_IOCTL_SEC_SIZE:
return MP_OBJ_NEW_SMALL_INT(SDCARD_BLOCK_SIZE);
default: // unknown command
return MP_OBJ_NEW_SMALL_INT(-1); // error
}
}
/**
* @brief return medium capacity and block size
* @param lun : logical unit number
* @param block_num : number of physical block
* @param block_size : size of a physical block
* @retval Status
*/
int8_t SDCARD_STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint32_t *block_size) {
/*
#ifdef USE_STM3210C_EVAL
SD_CardInfo SDCardInfo;
SD_GetCardInfo(&SDCardInfo);
#else
if(SD_GetStatus() != 0 ) {
return (-1);
}
#endif
*/
*block_size = SDCARD_BLOCK_SIZE;
*block_num = sdcard_get_capacity_in_bytes() / SDCARD_BLOCK_SIZE;
return 0;
}