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Merge pull request #508 from hathach/fix-edpt-race

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Fix edpt xfer race condition
This commit is contained in:
Ha Thach
2020-09-14 23:56:21 +07:00
committed by GitHub
parent 3d393df2d0 9c0d15fc43
commit 745c15d5b5
6 changed files with 169 additions and 43 deletions
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13
src/class/hid/hid_device.c
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@@ -72,18 +72,21 @@ static inline hidd_interface_t* get_interface_by_itfnum(uint8_t itf_num)
//--------------------------------------------------------------------+
bool tud_hid_ready(void)
{
uint8_t itf = 0;
uint8_t const itf = 0;
uint8_t const ep_in = _hidd_itf[itf].ep_in;
return tud_ready() && (ep_in != 0) && usbd_edpt_ready(TUD_OPT_RHPORT, ep_in);
return tud_ready() && (ep_in != 0) && !usbd_edpt_busy(TUD_OPT_RHPORT, ep_in);
}
bool tud_hid_report(uint8_t report_id, void const* report, uint8_t len)
{
TU_VERIFY( tud_hid_ready() );
uint8_t itf = 0;
uint8_t const rhport = 0;
uint8_t const itf = 0;
hidd_interface_t * p_hid = &_hidd_itf[itf];
// claim endpoint
TU_VERIFY( usbd_edpt_claim(rhport, p_hid->ep_in) );
// prepare data
if (report_id)
{
len = tu_min8(len, CFG_TUD_HID_EP_BUFSIZE-1);