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Remove unnecessary xSemaphoreTake() of USBHID semaphore #7205

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merged 1 commit into from
Sep 17, 2022
Merged

Remove unnecessary xSemaphoreTake() of USBHID semaphore #7205

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7 changes: 6 additions & 1 deletion libraries/USB/src/USBHID.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -331,11 +331,16 @@ bool USBHID::SendReport(uint8_t id, const void* data, size_t len, uint32_t timeo
if(!res){
log_e("not ready");
} else {
// The semaphore may be given if the last SendReport() timed out waiting for the report to
// be sent. Or, tud_hid_report_complete_cb() may be called an extra time, causing the
// semaphore to be given. In these cases, take the semaphore to clear its state so that
// we can wait for it to be given after calling tud_hid_n_report().
xSemaphoreTake(tinyusb_hid_device_input_sem, 0);

res = tud_hid_n_report(0, id, data, len);
if(!res){
log_e("report %u failed", id);
} else {
xSemaphoreTake(tinyusb_hid_device_input_sem, 0);
if(xSemaphoreTake(tinyusb_hid_device_input_sem, timeout_ms / portTICK_PERIOD_MS) != pdTRUE){
log_e("report %u wait failed", id);
res = false;
Expand Down