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rename tusbd_msc_scsi_received_isr to tusbd_msc_scsi_cb

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fix the status phase true --> false
    ASSERT_STATUS( dcd_pipe_xfer( p_msc->edpt_in , p_csw, sizeof(msc_cmd_status_wrapper_t), false) );
board ea4357 added P9_5 pull down for device connect
This commit is contained in:
hathach
2014-03-09 15:30:57 +07:00
parent e506f4cae2
commit 73ac4b4c80
5 changed files with 85 additions and 79 deletions
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149
tinyusb/class/msc_device.c
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@@ -66,6 +66,7 @@ STATIC_VAR mscd_interface_t mscd_data TUSB_CFG_ATTR_USBRAM;
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
static bool read10_write10_data_xfer(mscd_interface_t* p_msc);
//--------------------------------------------------------------------+
// USBD-CLASS API
@@ -136,6 +137,80 @@ tusb_error_t mscd_control_request_subtask(uint8_t coreid, tusb_control_request_t
return TUSB_ERROR_NONE;
}
//--------------------------------------------------------------------+
// MSCD APPLICATION CALLBACK
//--------------------------------------------------------------------+
tusb_error_t mscd_xfer_cb(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_bytes)
{
// TODO failed --> STALL pipe, on clear STALL --> queue endpoint OUT
static bool is_waiting_read10_write10 = false; // indicate we are transferring data in READ10, WRITE10 command
mscd_interface_t * const p_msc = &mscd_data;
msc_cmd_block_wrapper_t * const p_cbw = &p_msc->cbw;
msc_cmd_status_wrapper_t * const p_csw = &p_msc->csw;
//------------- new CBW received -------------//
if ( !is_waiting_read10_write10 )
{
if ( endpointhandle_is_equal(p_msc->edpt_in, edpt_hdl) ) return TUSB_ERROR_NONE; // bulk in interrupt for dcd to clean up
ASSERT( endpointhandle_is_equal(p_msc->edpt_out, edpt_hdl) &&
xferred_bytes == sizeof(msc_cmd_block_wrapper_t) &&
event == TUSB_EVENT_XFER_COMPLETE &&
p_cbw->signature == MSC_CBW_SIGNATURE, TUSB_ERROR_INVALID_PARA );
p_csw->signature = MSC_CSW_SIGNATURE;
p_csw->tag = p_cbw->tag;
p_csw->data_residue = 0;
if ( (SCSI_CMD_READ_10 != p_cbw->command[0]) && (SCSI_CMD_WRITE_10 != p_cbw->command[0]) )
{
void *p_buffer = NULL;
uint16_t actual_length = (uint16_t) p_cbw->xfer_bytes;
p_csw->status = tusbd_msc_scsi_cb(edpt_hdl.coreid, p_cbw->lun, p_cbw->command, &p_buffer, &actual_length);
//------------- Data Phase (non READ10, WRITE10) -------------//
if ( p_cbw->xfer_bytes )
{
ASSERT( p_cbw->xfer_bytes >= actual_length, TUSB_ERROR_INVALID_PARA );
endpoint_handle_t const edpt_data = BIT_TEST_(p_cbw->dir, 7) ? p_msc->edpt_in : p_msc->edpt_out;
if ( p_buffer == NULL || actual_length == 0 )
{ // application does not provide data to response --> possibly unsupported SCSI command
ASSERT_STATUS( dcd_pipe_stall(edpt_data) );
p_csw->status = MSC_CSW_STATUS_FAILED;
}else
{
ASSERT_STATUS( dcd_pipe_queue_xfer( edpt_data, p_buffer, min16_of(actual_length, (uint16_t) p_cbw->xfer_bytes)) );
}
}
}
}
//------------- Data Phase For READ10 & WRITE10 (can be executed several times) -------------//
if ( (SCSI_CMD_READ_10 == p_cbw->command[0]) || (SCSI_CMD_WRITE_10 == p_cbw->command[0]) )
{
if (is_waiting_read10_write10)
{ // continue with read10, write10 data transfer, interrupt must come from endpoint IN
ASSERT( endpointhandle_is_equal(p_msc->edpt_in, edpt_hdl) && event == TUSB_EVENT_XFER_COMPLETE, TUSB_ERROR_INVALID_PARA);
}
is_waiting_read10_write10 = !read10_write10_data_xfer(p_msc);
}
//------------- Status Phase -------------//
// Either bulk in & out can be stalled in the data phase, dcd must make sure these queued transfer will be resumed after host clear stall
if (!is_waiting_read10_write10)
{
ASSERT_STATUS( dcd_pipe_xfer( p_msc->edpt_in , p_csw, sizeof(msc_cmd_status_wrapper_t), false) );
//------------- Queue the next CBW -------------//
ASSERT_STATUS( dcd_pipe_xfer( p_msc->edpt_out, p_cbw, sizeof(msc_cmd_block_wrapper_t), true) );
}
return TUSB_ERROR_NONE;
}
// return true if data phase is complete, false if not yet complete
static bool read10_write10_data_xfer(mscd_interface_t* p_msc)
{
@@ -182,78 +257,4 @@ static bool read10_write10_data_xfer(mscd_interface_t* p_msc)
}
}
//--------------------------------------------------------------------+
// MSCD APPLICATION CALLBACK
//--------------------------------------------------------------------+
tusb_error_t mscd_xfer_cb(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_bytes)
{
// TODO failed --> STALL pipe, on clear STALL --> queue endpoint OUT
static bool is_waiting_read10_write10 = false; // indicate we are transferring data in READ10, WRITE10 command
mscd_interface_t * const p_msc = &mscd_data;
msc_cmd_block_wrapper_t * const p_cbw = &p_msc->cbw;
msc_cmd_status_wrapper_t * const p_csw = &p_msc->csw;
//------------- new CBW received -------------//
if ( !is_waiting_read10_write10)
{
if ( endpointhandle_is_equal(p_msc->edpt_in, edpt_hdl) ) return TUSB_ERROR_NONE; // bulk in interrupt for dcd to clean up
ASSERT( endpointhandle_is_equal(p_msc->edpt_out, edpt_hdl) &&
xferred_bytes == sizeof(msc_cmd_block_wrapper_t) &&
event == TUSB_EVENT_XFER_COMPLETE &&
p_cbw->signature == MSC_CBW_SIGNATURE, TUSB_ERROR_INVALID_PARA );
p_csw->signature = MSC_CSW_SIGNATURE;
p_csw->tag = p_cbw->tag;
p_csw->data_residue = 0;
if ( (SCSI_CMD_READ_10 != p_cbw->command[0]) && (SCSI_CMD_WRITE_10 != p_cbw->command[0]) )
{
void *p_buffer = NULL;
uint16_t actual_length = (uint16_t) p_cbw->xfer_bytes;
p_csw->status = tusbd_msc_scsi_received_isr(edpt_hdl.coreid, p_cbw->lun, p_cbw->command, &p_buffer, &actual_length);
//------------- Data Phase -------------//
if ( p_cbw->xfer_bytes )
{
ASSERT( p_cbw->xfer_bytes >= actual_length, TUSB_ERROR_INVALID_PARA );
endpoint_handle_t const edpt_data = BIT_TEST_(p_cbw->dir, 7) ? p_msc->edpt_in : p_msc->edpt_out;
if ( p_buffer == NULL || actual_length == 0 )
{ // application does not provide data to response --> possibly unsupported SCSI command
ASSERT_STATUS( dcd_pipe_stall(edpt_data) );
p_csw->status = MSC_CSW_STATUS_FAILED;
}else
{
ASSERT_STATUS( dcd_pipe_queue_xfer( edpt_data, p_buffer, min16_of(actual_length, (uint16_t) p_cbw->xfer_bytes)) );
}
}
}
}
//------------- Data Phase For READ10 & WRITE10 (can be executed several times) -------------//
if ( (SCSI_CMD_READ_10 == p_cbw->command[0]) || (SCSI_CMD_WRITE_10 == p_cbw->command[0]) )
{
if (is_waiting_read10_write10)
{ // continue with read10, write10 data transfer, interrupt must come from endpoint IN
ASSERT( endpointhandle_is_equal(p_msc->edpt_in, edpt_hdl) && event == TUSB_EVENT_XFER_COMPLETE, TUSB_ERROR_INVALID_PARA);
}
is_waiting_read10_write10 = !read10_write10_data_xfer(p_msc);
}
//------------- Status Phase -------------//
// Either bulk in & out can be stalled in the data phase, dcd must make sure these queued transfer will be resumed after host clear stall
if (!is_waiting_read10_write10)
{
ASSERT_STATUS( dcd_pipe_xfer( p_msc->edpt_in , p_csw, sizeof(msc_cmd_status_wrapper_t), true) ); // need to be true for dcd to clean up qtd !!
//------------- Queue the next CBW -------------//
ASSERT_STATUS( dcd_pipe_xfer( p_msc->edpt_out, p_cbw, sizeof(msc_cmd_block_wrapper_t), true) );
}
return TUSB_ERROR_NONE;
}
#endif