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espressif_tinyusb
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fix a problem with dcd 13uxx dcd_pipe_clear_stall that should clear toggle for buffer0 (instead of active buffer) 

as the next transfer is always forced to be happened on buffer0
This commit is contained in:
hathach 2014-03-13 17:06:18 +07:00
parent 1940f9f0f7
commit 8fbafc460c
2 changed files with 5 additions and 4 deletions
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2
demos/device/src/mscd_app_romdisk.c
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@ -105,7 +105,7 @@ uint16_t tusbd_msc_read10_cb (uint8_t coreid, uint8_t lun, void** pp_buffer, uin
return 1;
}
// Stall write10 as this is readonly disk
// Stall write10 by return 0, as this is readonly disk
uint16_t tusbd_msc_write10_cb(uint8_t coreid, uint8_t lun, void** pp_buffer, uint32_t lba, uint16_t block_count)
{
(*pp_buffer) = NULL;

7
tinyusb/device/dcd_lpc_11uxx_13uxx.c
View File

@ -423,12 +423,13 @@ bool dcd_pipe_is_stalled(endpoint_handle_t edpt_hdl)
tusb_error_t dcd_pipe_clear_stall(uint8_t coreid, uint8_t edpt_addr)
{
uint8_t ep_id = edpt_addr2phy(edpt_addr);
uint8_t active_buffer = BIT_TEST_(LPC_USB->EPINUSE, ep_id) ? 1 : 0;
// uint8_t active_buffer = BIT_TEST_(LPC_USB->EPINUSE, ep_id) ? 1 : 0;
dcd_data.qhd[ep_id][0].stall = dcd_data.qhd[ep_id][1].stall = 0;
dcd_data.qhd[ep_id][active_buffer].toggle_reset = 1;
dcd_data.qhd[ep_id][active_buffer].feedback_toggle = 0;
// since the next transfer always take place on buffer0 --> clear buffer0 toggle
dcd_data.qhd[ep_id][0].toggle_reset = 1;
dcd_data.qhd[ep_id][0].feedback_toggle = 0;
//------------- clear stall must carry on any previously queued transfer -------------//
if ( dcd_data.next_td[ep_id].total_bytes != 0 )