FIx recurrent suspend ISR.

This commit is contained in:
HiFiPhile
2024-11-10 12:33:20 +01:00
committed by hathach
parent 9f626fe179
commit 1d2735fb54

View File

@@ -431,7 +431,7 @@ bool dcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) {
#endif
// Enable required interrupts
dwc2->gintmsk |= GINTMSK_OTGINT | GINTMSK_USBSUSPM | GINTMSK_USBRST | GINTMSK_ENUMDNEM | GINTMSK_WUIM;
dwc2->gintmsk |= GINTMSK_OTGINT | GINTMSK_USBRST | GINTMSK_ENUMDNEM | GINTMSK_WUIM;
// TX FIFO empty level for interrupt is complete empty
uint32_t gahbcfg = dwc2->gahbcfg;
@@ -1032,16 +1032,19 @@ void dcd_int_handler(uint8_t rhport) {
if (gintsts & GINTSTS_ENUMDNE) {
// ENUMDNE is the end of reset where speed of the link is detected
dwc2->gintsts = GINTSTS_ENUMDNE;
dwc2->gintmsk |= GINTMSK_USBSUSPM;
handle_enum_done(rhport);
}
if (gintsts & GINTSTS_USBSUSP) {
dwc2->gintsts = GINTSTS_USBSUSP;
dwc2->gintmsk &= ~GINTMSK_USBSUSPM;
dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
}
if (gintsts & GINTSTS_WKUINT) {
dwc2->gintsts = GINTSTS_WKUINT;
dwc2->gintmsk |= GINTMSK_USBSUSPM;
dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
}
@@ -1061,6 +1064,7 @@ void dcd_int_handler(uint8_t rhport) {
if(gintsts & GINTSTS_SOF) {
dwc2->gintsts = GINTSTS_SOF;
dwc2->gintmsk |= GINTMSK_USBSUSPM;
const uint32_t frame = (dwc2->dsts & DSTS_FNSOF) >> DSTS_FNSOF_Pos;
// Disable SOF interrupt if SOF was not explicitly enabled since SOF was used for remote wakeup detection