msc add support
- SCSI_CMD_MODE_SELECT_6 - SCSI_CMD_MODE_SENSE_6 - SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL fix msc device bug with no data unsupported command complete msc device demo with ram disk of 8KB
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@@ -151,14 +151,17 @@ void mscd_isr(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_b
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ASSERT( p_msc->cbw.xfer_bytes >= actual_length, VOID_RETURN );
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//------------- Data Phase -------------//
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if ( BIT_TEST_(p_msc->cbw.dir, 7) && p_buffer == NULL )
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{ // application does not provide data to response --> possibly unsupported SCSI command
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ASSERT( TUSB_ERROR_NONE == dcd_pipe_stall(p_msc->edpt_in), VOID_RETURN );
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p_msc->csw.status = MSC_CSW_STATUS_FAILED;
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}else
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if ( p_msc->cbw.xfer_bytes )
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{
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ASSERT( dcd_pipe_queue_xfer( BIT_TEST_(p_msc->cbw.dir, 7) ? p_msc->edpt_in : p_msc->edpt_out,
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p_buffer, actual_length) == TUSB_ERROR_NONE, VOID_RETURN);
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if ( p_buffer == NULL || actual_length == 0 )
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{ // application does not provide data to response --> possibly unsupported SCSI command
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ASSERT( TUSB_ERROR_NONE == dcd_pipe_stall(p_msc->edpt_in), VOID_RETURN );
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p_msc->csw.status = MSC_CSW_STATUS_FAILED;
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}else
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{
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ASSERT( dcd_pipe_queue_xfer( BIT_TEST_(p_msc->cbw.dir, 7) ? p_msc->edpt_in : p_msc->edpt_out,
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p_buffer, actual_length) == TUSB_ERROR_NONE, VOID_RETURN);
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}
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}
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//------------- Status Phase -------------//
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