andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

correct stall & clear stall behavior for non-control pipe

Browse Source 
fix data_residue when read10, write10 return 0 (no need for BE conversion)
This commit is contained in:
hathach
2013-12-01 15:48:49 +07:00
parent edb4226f23
commit a9a5146108
4 changed files with 72 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
tinyusb/device/dcd_lpc_11uxx_13uxx.c
View File

@@ -144,6 +144,7 @@ static inline uint16_t addr_offset(void const * p_buffer)
static void queue_xfer_to_buffer(uint8_t ep_id, uint8_t buff_idx, uint16_t buff_addr_offset, uint16_t total_bytes);
static void pipe_queue_xfer(uint8_t ep_id, uint16_t buff_addr_offset, uint16_t total_bytes);
static void queue_xfer_in_next_td(uint8_t ep_id);
//--------------------------------------------------------------------+
// CONTROLLER API
@@ -315,11 +316,7 @@ void dcd_isr(uint8_t coreid)
//------------- Next TD is available -------------//
if ( dcd_data.next_td[ep_id].total_bytes != 0 )
{
dcd_data.current_ioc |= ( dcd_data.next_ioc & BIT_(ep_id) ); // copy next IOC to current IOC
pipe_queue_xfer(ep_id, dcd_data.next_td[ep_id].buff_addr_offset, dcd_data.next_td[ep_id].total_bytes);
dcd_data.next_td[ep_id].total_bytes = 0; // clear this field as it is used to indicate next TD available
queue_xfer_in_next_td(ep_id);
}
}
}
@@ -370,13 +367,16 @@ static inline uint8_t edpt_phy2log(uint8_t physical_endpoint)
//--------------------------------------------------------------------+
tusb_error_t dcd_pipe_stall(endpoint_handle_t edpt_hdl)
{
// ASSERT( !dcd_pipe_is_busy(edpt_hdl), TUSB_ERROR_INTERFACE_IS_BUSY); // endpoint must not in transferring
dcd_data.qhd[edpt_hdl.index][0].stall = dcd_data.qhd[edpt_hdl.index][1].stall = 1;
return TUSB_ERROR_NONE;
}
bool dcd_pipe_is_stalled(endpoint_handle_t edpt_hdl)
{
return dcd_data.qhd[edpt_hdl.index][0].stall || dcd_data.qhd[edpt_hdl.index][1].stall;
}
tusb_error_t dcd_pipe_clear_stall(uint8_t coreid, uint8_t edpt_addr)
{
uint8_t ep_id = edpt_addr2phy(edpt_addr);
@@ -387,6 +387,12 @@ tusb_error_t dcd_pipe_clear_stall(uint8_t coreid, uint8_t edpt_addr)
dcd_data.qhd[ep_id][active_buffer].toggle_reset = 1;
dcd_data.qhd[ep_id][active_buffer].feedback_toggle = 0;
//------------- clear stall must carry on any previously queued transfer -------------//
if ( dcd_data.next_td[ep_id].total_bytes != 0 )
{
queue_xfer_in_next_td(ep_id);
}
return TUSB_ERROR_NONE;
}
@@ -460,6 +466,15 @@ static void pipe_queue_xfer(uint8_t ep_id, uint16_t buff_addr_offset, uint16_t t
queue_xfer_to_buffer(ep_id, 0, buff_addr_offset, total_bytes);
}
static void queue_xfer_in_next_td(uint8_t ep_id)
{
dcd_data.current_ioc |= ( dcd_data.next_ioc & BIT_(ep_id) ); // copy next IOC to current IOC
pipe_queue_xfer(ep_id, dcd_data.next_td[ep_id].buff_addr_offset, dcd_data.next_td[ep_id].total_bytes);
dcd_data.next_td[ep_id].total_bytes = 0; // clear this field as it is used to indicate whehther next TD available
}
tusb_error_t dcd_pipe_queue_xfer(endpoint_handle_t edpt_hdl, void * buffer, uint16_t total_bytes)
{
ASSERT( !dcd_pipe_is_busy(edpt_hdl), TUSB_ERROR_INTERFACE_IS_BUSY); // endpoint must not in transferring
@@ -473,8 +488,8 @@ tusb_error_t dcd_pipe_queue_xfer(endpoint_handle_t edpt_hdl, void * buffer, uint
tusb_error_t dcd_pipe_xfer(endpoint_handle_t edpt_hdl, void* buffer, uint16_t total_bytes, bool int_on_complete)
{
if( dcd_pipe_is_busy(edpt_hdl) )
{ // save this transfer data to next td
if( dcd_pipe_is_busy(edpt_hdl) || dcd_pipe_is_stalled(edpt_hdl) )
{ // save this transfer data to next td if pipe is busy or already been stalled
dcd_data.next_td[edpt_hdl.index].buff_addr_offset = addr_offset(buffer);
dcd_data.next_td[edpt_hdl.index].total_bytes = total_bytes;