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clean up msc device driver

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This commit is contained in:
hathach 2018-04-19 16:26:18 +07:00
parent c7e924b4be
commit 3742d6fabc
2 changed files with 32 additions and 33 deletions
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32
tinyusb/class/msc/msc_device.c
View File

@ -40,10 +40,6 @@
#if (MODE_DEVICE_SUPPORTED && CFG_TUD_MSC)
#if CFG_TUD_MSC_MAXLUN == 0 || CFG_TUD_MSC_MAXLUN > 16
#error MSC Device: Incorrect setting of MAX LUN
#endif
#define _TINY_USB_SOURCE_FILE_
//--------------------------------------------------------------------+
// INCLUDE
@ -63,9 +59,6 @@ enum
};
typedef struct {
// buffer for scsi's response other than read10 & write10.
// NOTE should be multiple of 64 to be compatible with lpc11/13u
uint8_t scsi_data[64];
CFG_TUSB_MEM_ALIGN msc_cbw_t cbw;
#if defined (__ICCARM__) && (CFG_TUSB_MCU == OPT_MCU_LPC11UXX || CFG_TUSB_MCU == OPT_MCU_LPC13UXX)
@ -74,10 +67,11 @@ typedef struct {
CFG_TUSB_MEM_ALIGN msc_csw_t csw;
uint8_t interface_num;
uint8_t ep_in, ep_out;
uint8_t interface_num;
uint8_t ep_in;
uint8_t ep_out;
uint8_t stage;
uint8_t stage;
uint16_t data_len;
uint16_t xferred_len; // numbered of bytes transferred so far in the Data Stage
}mscd_interface_t;
@ -156,10 +150,9 @@ tusb_error_t mscd_control_request_st(uint8_t rhport, tusb_control_request_t cons
}
else if (MSC_REQUEST_GET_MAX_LUN == p_request->bRequest)
{
// Note: lpc11/13u need xfer data's address to be aligned 64 -> make use of scsi_data instead of using max_lun directly
// returned MAX LUN is minus 1 by specs
p_msc->scsi_data[0] = CFG_TUD_MSC_MAXLUN-1;
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, p_msc->scsi_data, 1);
_mscd_buf[0] = CFG_TUD_MSC_MAXLUN-1;
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, _mscd_buf, 1);
}else
{
dcd_control_stall(rhport); // stall unsupported request
@ -209,24 +202,23 @@ tusb_error_t mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, tusb_event_t event, u
if ( p_cbw->xfer_bytes == 0)
{
p_csw->status = tud_msc_scsi_cb(rhport, p_cbw->lun, p_cbw->command, p_msc->scsi_data, &p_msc->data_len) ? MSC_CSW_STATUS_PASSED : MSC_CSW_STATUS_FAILED;
p_csw->status = tud_msc_scsi_cb(rhport, p_cbw->lun, p_cbw->command, NULL, &p_msc->data_len) ? MSC_CSW_STATUS_PASSED : MSC_CSW_STATUS_FAILED;
p_msc->stage = MSC_STAGE_STATUS;
}
else if ( !BIT_TEST_(p_cbw->dir, 7) )
{
TU_ASSERT( sizeof(p_msc->scsi_data) >= p_msc->data_len, TUSB_ERROR_NOT_ENOUGH_MEMORY); // needs to increase size for scsi_data
TU_ASSERT( dcd_edpt_xfer(rhport, p_msc->ep_out, p_msc->scsi_data, p_msc->data_len), TUSB_ERROR_DCD_EDPT_XFER );
// OUT transfer
TU_ASSERT( dcd_edpt_xfer(rhport, p_msc->ep_out, _mscd_buf, p_msc->data_len), TUSB_ERROR_DCD_EDPT_XFER );
}
else
{
p_csw->status = tud_msc_scsi_cb(rhport, p_cbw->lun, p_cbw->command, p_msc->scsi_data, &p_msc->data_len) ? MSC_CSW_STATUS_PASSED : MSC_CSW_STATUS_FAILED;
p_csw->status = tud_msc_scsi_cb(rhport, p_cbw->lun, p_cbw->command, _mscd_buf, &p_msc->data_len) ? MSC_CSW_STATUS_PASSED : MSC_CSW_STATUS_FAILED;
TU_ASSERT( p_cbw->xfer_bytes >= p_msc->data_len, TUSB_ERROR_INVALID_PARA ); // cannot return more than host expect
TU_ASSERT( sizeof(p_msc->scsi_data) >= p_msc->data_len, TUSB_ERROR_NOT_ENOUGH_MEMORY); // needs to increase size for scsi_data
if ( p_msc->data_len )
{
TU_ASSERT( dcd_edpt_xfer(rhport, p_msc->ep_in, p_msc->scsi_data, p_msc->data_len), TUSB_ERROR_DCD_EDPT_XFER );
TU_ASSERT( dcd_edpt_xfer(rhport, p_msc->ep_in, _mscd_buf, p_msc->data_len), TUSB_ERROR_DCD_EDPT_XFER );
}else
{
// application does not provide data to response --> possibly unsupported SCSI command
@ -252,7 +244,7 @@ tusb_error_t mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, tusb_event_t event, u
}
else
{
p_csw->status = tud_msc_scsi_cb(rhport, p_cbw->lun, p_cbw->command, p_msc->scsi_data, &p_msc->data_len) ? MSC_CSW_STATUS_PASSED : MSC_CSW_STATUS_FAILED;
p_csw->status = tud_msc_scsi_cb(rhport, p_cbw->lun, p_cbw->command, _mscd_buf, &p_msc->data_len) ? MSC_CSW_STATUS_PASSED : MSC_CSW_STATUS_FAILED;
}
}

33
tinyusb/tusb_option.h
View File

@ -134,14 +134,6 @@
#define CFG_TUSB_OS OPT_OS_NONE
#endif
#if (CFG_TUSB_OS != OPT_OS_NONE) && !defined (CFG_TUD_TASK_PRIO)
#error CFG_TUD_TASK_PRIO need to be defined (hint: use the highest if possible)
#endif
//#ifndef CFG_TUSB_CONFIGURATION_MAX
// #define CFG_TUSB_CONFIGURATION_MAX 1
// #warning CFG_TUSB_CONFIGURATION_MAX is not defined, default value is 1
//#endif
#ifndef tu_malloc
#include <stdlib.h>
@ -163,11 +155,6 @@
#define CFG_TUD_ENDOINT0_SIZE 64
#endif
#if CFG_TUD_ENDOINT0_SIZE > 64
#error Control Endpoint Max Package Size cannot larger than 64
#endif
#ifndef CFG_TUD_ENUM_BUFFER_SIZE
#define CFG_TUD_ENUM_BUFFER_SIZE 256
#endif
@ -201,6 +188,26 @@
//------------- CLASS -------------//
#endif // MODE_HOST_SUPPORTED
/*------------------------------------------------------------------*/
/* Config Verification
*------------------------------------------------------------------*/
#if (CFG_TUSB_OS != OPT_OS_NONE) && !defined (CFG_TUD_TASK_PRIO)
#error CFG_TUD_TASK_PRIO need to be defined (hint: use the highest if possible)
#endif
#if CFG_TUD_ENDOINT0_SIZE > 64
#error Control Endpoint Max Package Size cannot larger than 64
#endif
#if CFG_TUD_MSC_MAXLUN == 0 || CFG_TUD_MSC_MAXLUN > 16
#error MSC Device: Incorrect setting of MAX LUN
#endif
//#if CFG_TUD_MSC_BUFSIZE
#endif /* _TUSB_OPTION_H_ */
/** @} */