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Proposed fix for USB Mass Storage.

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This commit is contained in:
Dave Hylands 2014-09-29 20:12:01 -07:00 committed by Damien George
parent c737086e1c
commit d368611ea6
3 changed files with 19 additions and 44 deletions
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54
stmhal/usbd_msc_storage.c
View File

@ -41,10 +41,10 @@
// These are needed to support removal of the medium, so that the USB drive // These are needed to support removal of the medium, so that the USB drive
// can be unmounted, and won't be remounted automatically. // can be unmounted, and won't be remounted automatically.
static uint8_t flash_removed = 0; static uint8_t flash_started = 0;
#if MICROPY_HW_HAS_SDCARD #if MICROPY_HW_HAS_SDCARD
static uint8_t sdcard_removed = 0; static uint8_t sdcard_started = 0;
#endif #endif
/******************************************************************************/ /******************************************************************************/
@ -73,6 +73,7 @@ static const int8_t FLASH_STORAGE_Inquirydata[] = { // 36 bytes
*/ */
int8_t FLASH_STORAGE_Init(uint8_t lun) { int8_t FLASH_STORAGE_Init(uint8_t lun) {
storage_init(); storage_init();
flash_started = 1;
return 0; return 0;
} }
@ -95,11 +96,11 @@ int8_t FLASH_STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint16_t *blo
* @retval Status * @retval Status
*/ */
int8_t FLASH_STORAGE_IsReady(uint8_t lun) { int8_t FLASH_STORAGE_IsReady(uint8_t lun) {
if (flash_removed) { if (flash_started) {
return -1;
}
return 0; return 0;
} }
return -1;
}
/** /**
* @brief check whether the medium is write-protected * @brief check whether the medium is write-protected
@ -111,8 +112,8 @@ int8_t FLASH_STORAGE_IsWriteProtected(uint8_t lun) {
} }
// Remove the lun // Remove the lun
int8_t FLASH_STORAGE_StopUnit(uint8_t lun) { int8_t FLASH_STORAGE_StartStopUnit(uint8_t lun, uint8_t started) {
flash_removed = 1; flash_started = started;
return 0; return 0;
} }
@ -176,7 +177,7 @@ const USBD_StorageTypeDef USBD_FLASH_STORAGE_fops = {
FLASH_STORAGE_GetCapacity, FLASH_STORAGE_GetCapacity,
FLASH_STORAGE_IsReady, FLASH_STORAGE_IsReady,
FLASH_STORAGE_IsWriteProtected, FLASH_STORAGE_IsWriteProtected,
FLASH_STORAGE_StopUnit, FLASH_STORAGE_StartStopUnit,
FLASH_STORAGE_PreventAllowMediumRemoval, FLASH_STORAGE_PreventAllowMediumRemoval,
FLASH_STORAGE_Read, FLASH_STORAGE_Read,
FLASH_STORAGE_Write, FLASH_STORAGE_Write,
@ -228,7 +229,7 @@ int8_t SDCARD_STORAGE_Init(uint8_t lun) {
if (!sdcard_power_on()) { if (!sdcard_power_on()) {
return -1; return -1;
} }
sdcard_started = 1;
return 0; return 0;
} }
@ -264,34 +265,11 @@ int8_t SDCARD_STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint16_t *bl
* @retval Status * @retval Status
*/ */
int8_t SDCARD_STORAGE_IsReady(uint8_t lun) { int8_t SDCARD_STORAGE_IsReady(uint8_t lun) {
if (sdcard_removed) { if (sdcard_started) {
return -1;
}
/*
#ifndef USE_STM3210C_EVAL
static int8_t last_status = 0;
if(last_status < 0)
{
SD_Init();
last_status = 0;
}
if(SD_GetStatus() != 0)
{
last_status = -1;
return (-1);
}
#else
if( SD_Init() != 0)
{
return (-1);
}
#endif
*/
return 0; return 0;
} }
return -1;
}
/** /**
* @brief check whether the medium is write-protected * @brief check whether the medium is write-protected
@ -303,8 +281,8 @@ int8_t SDCARD_STORAGE_IsWriteProtected(uint8_t lun) {
} }
// Remove the lun // Remove the lun
int8_t SDCARD_STORAGE_StopUnit(uint8_t lun) { int8_t SDCARD_STORAGE_StartStopUnit(uint8_t lun, uint8_t started) {
sdcard_removed = 1; sdcard_started = started;
return 0; return 0;
} }
@ -356,7 +334,7 @@ const USBD_StorageTypeDef USBD_SDCARD_STORAGE_fops = {
SDCARD_STORAGE_GetCapacity, SDCARD_STORAGE_GetCapacity,
SDCARD_STORAGE_IsReady, SDCARD_STORAGE_IsReady,
SDCARD_STORAGE_IsWriteProtected, SDCARD_STORAGE_IsWriteProtected,
SDCARD_STORAGE_StopUnit, SDCARD_STORAGE_StartStopUnit,
SDCARD_STORAGE_PreventAllowMediumRemoval, SDCARD_STORAGE_PreventAllowMediumRemoval,
SDCARD_STORAGE_Read, SDCARD_STORAGE_Read,
SDCARD_STORAGE_Write, SDCARD_STORAGE_Write,

2
stmhal/usbdev/class/cdc_msc_hid/inc/usbd_cdc_msc_hid.h
View File

@ -58,7 +58,7 @@ typedef struct _USBD_STORAGE {
int8_t (* GetCapacity) (uint8_t lun, uint32_t *block_num, uint16_t *block_size); int8_t (* GetCapacity) (uint8_t lun, uint32_t *block_num, uint16_t *block_size);
int8_t (* IsReady) (uint8_t lun); int8_t (* IsReady) (uint8_t lun);
int8_t (* IsWriteProtected) (uint8_t lun); int8_t (* IsWriteProtected) (uint8_t lun);
int8_t (* StopUnit)(uint8_t lun); int8_t (* StartStopUnit)(uint8_t lun, uint8_t started);
int8_t (* PreventAllowMediumRemoval)(uint8_t lun, uint8_t param0); int8_t (* PreventAllowMediumRemoval)(uint8_t lun, uint8_t param0);
int8_t (* Read) (uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); int8_t (* Read) (uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);

7
stmhal/usbdev/class/cdc_msc_hid/src/usbd_msc_scsi.c
View File

@ -450,13 +450,10 @@ static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t
hmsc->bot_data_length = 0; hmsc->bot_data_length = 0;
// On Mac OS X, when the device is ejected a SCSI_START_STOP_UNIT command is sent. // On Mac OS X, when the device is ejected a SCSI_START_STOP_UNIT command is sent.
// params[1]==0 means stop, param[1]==1 seems to be something else (happens after the // Bit 0 of params[4] is the START bit.
// device is plugged in and mounted for some time, probably a keep alive).
// If we get a stop, we must really stop the device so that the Mac does not // If we get a stop, we must really stop the device so that the Mac does not
// automatically remount it. // automatically remount it.
if (params[1] == 0) { ((USBD_StorageTypeDef *)pdev->pUserData)->StartStopUnit(lun, params[4] & 1);
((USBD_StorageTypeDef *)pdev->pUserData)->StopUnit(lun);
}
return 0; return 0;
} }