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| author | Damien George <damien.p.george@gmail.com> | 2017-06-03 18:36:17 +1000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2017-06-08 12:29:10 +1000 |
| commit | 22cedef95f671a4f769954ab7d0b30823bf446e8 (patch) | |
| tree | 76d7f4a03c68324c1b0ecebf219f37be4683e1c7 | |
| parent | e1cda0038718013248b86296d746deeaa0bf9a9e (diff) | |
| download | micropython-22cedef95f671a4f769954ab7d0b30823bf446e8.tar.gz micropython-22cedef95f671a4f769954ab7d0b30823bf446e8.zip | |
stmhal/usbdev: For MSC implement SCSI SYNCHRONIZE_CACHE command.
Currently just a dummy command that returns "success", but it's needed for
some O/S's to correctly talk with the SCSI layer.
| -rw-r--r-- | stmhal/usbdev/class/inc/usbd_msc_scsi.h | 2 | ||||
| -rw-r--r-- | stmhal/usbdev/class/src/usbd_msc_scsi.c | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/stmhal/usbdev/class/inc/usbd_msc_scsi.h b/stmhal/usbdev/class/inc/usbd_msc_scsi.h index dea247bca8..34f059ee5d 100644 --- a/stmhal/usbdev/class/inc/usbd_msc_scsi.h +++ b/stmhal/usbdev/class/inc/usbd_msc_scsi.h @@ -55,6 +55,8 @@ #define SCSI_MODE_SENSE6 0x1A
#define SCSI_MODE_SENSE10 0x5A
#define SCSI_ALLOW_MEDIUM_REMOVAL 0x1E
+#define SCSI_SYNCHRONIZE_CACHE10 0x35
+#define SCSI_SYNCHRONIZE_CACHE16 0x91
#define SCSI_READ6 0x08
#define SCSI_READ10 0x28
#define SCSI_READ12 0xA8
diff --git a/stmhal/usbdev/class/src/usbd_msc_scsi.c b/stmhal/usbdev/class/src/usbd_msc_scsi.c index 366f1f00e9..b2931b7452 100644 --- a/stmhal/usbdev/class/src/usbd_msc_scsi.c +++ b/stmhal/usbdev/class/src/usbd_msc_scsi.c @@ -89,6 +89,7 @@ static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t static int8_t SCSI_AllowMediumRemoval(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
static int8_t SCSI_ModeSense6 (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
static int8_t SCSI_ModeSense10 (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_SynchronizeCache(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun , uint8_t *params);
static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun , uint8_t *params);
static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
@@ -151,6 +152,10 @@ int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, case SCSI_MODE_SENSE10:
return SCSI_ModeSense10 (pdev, lun, params);
+ case SCSI_SYNCHRONIZE_CACHE10:
+ case SCSI_SYNCHRONIZE_CACHE16:
+ return SCSI_SynchronizeCache(pdev, lun, params);
+
case SCSI_READ_FORMAT_CAPACITIES:
return SCSI_ReadFormatCapacity(pdev, lun, params);
@@ -374,6 +379,13 @@ static int8_t SCSI_ModeSense10 (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t return 0;
}
+static int8_t SCSI_SynchronizeCache(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) {
+ // nothing to synchronize, so just return "success"
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+ hmsc->bot_data_length = 0;
+ return 0;
+}
+
/**
* @brief SCSI_RequestSense
* Process Request Sense command
|