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improve timeout adjustment, exit tuh_task() by timeout_ms = 0

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hathach
2026-03-02 20:07:16 +07:00
parent 4df7ef5439
commit d9a7d1023c
1 changed files with 9 additions and 15 deletions
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24
src/host/usbh.c
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@ -659,8 +659,8 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) {
// Process call_after_ms function if ms is reached
tusb_defer_func_t after_cb = _usbh_data.call_after.func;
if (after_cb) {
int32_t ms = (int32_t)(_usbh_data.call_after.at_ms - tusb_time_millis_api());
if (ms <= 0) {
int32_t remain_ms = (int32_t)(_usbh_data.call_after.at_ms - tusb_time_millis_api());
if (remain_ms <= 0) {
// delay expired, run callback now
TU_LOG_USBH("USBH invoke scheduled function\r\n");
_usbh_data.call_after.func = NULL;
@ -669,9 +669,11 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) {
// above after_cb() can re-schedule another function, we need to re-check and reduce timeout of
// the main event timeout to make sure we aren't blocking more than call_after timeout.
if (_usbh_data.call_after.func != NULL &&
timeout_ms > (uint32_t)(_usbh_data.call_after.at_ms - tusb_time_millis_api())) {
timeout_ms = (uint32_t)ms;
if (_usbh_data.call_after.func != NULL) {
remain_ms = (int32_t) (_usbh_data.call_after.at_ms - tusb_time_millis_api());
if (remain_ms > 0 && timeout_ms > (uint32_t)remain_ms) {
timeout_ms = (uint32_t)remain_ms;
}
}
}
@ -789,16 +791,8 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr) {
break;
}
#if CFG_TUSB_OS_HAS_SCHEDULER
// return if there are no more events, to allow application to run other backgrounds
if (osal_queue_empty(_usbh_q)
#if CFG_TUH_HUB
&& osal_queue_empty(_usbh_daq)
#endif
) {
return;
}
#endif
// allow to exit tuh_task() if there is no event in the next run
timeout_ms = 0;
}
}