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Small cleanups (remove inaccurate comment, set EP0 max size based on speed).

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This commit is contained in:
William D. Jones 2019-01-30 02:03:19 -05:00
parent 8629f0c108
commit fcabc717d1
1 changed files with 4 additions and 6 deletions
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10
src/portable/stm/stm32f4/dcd_stm32f4.c
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@ -112,12 +112,14 @@ static void end_of_reset(void) {
if(enum_spd == 0x03) { if(enum_spd == 0x03) {
// 64 bytes // 64 bytes
in_ep[0].DIEPCTL &= ~(0x03 << USB_OTG_DIEPCTL_MPSIZ_Pos); in_ep[0].DIEPCTL &= ~(0x03 << USB_OTG_DIEPCTL_MPSIZ_Pos);
xfer_status[0][TUSB_DIR_OUT].max_size = 64;
xfer_status[0][TUSB_DIR_IN].max_size = 64;
} else { } else {
// 8 bytes // 8 bytes
in_ep[0].DIEPCTL |= (0x03 << USB_OTG_DIEPCTL_MPSIZ_Pos); in_ep[0].DIEPCTL |= (0x03 << USB_OTG_DIEPCTL_MPSIZ_Pos);
xfer_status[0][TUSB_DIR_OUT].max_size = 8;
xfer_status[0][TUSB_DIR_IN].max_size = 8;
} }
xfer_status[0][TUSB_DIR_OUT].max_size = 64;
xfer_status[0][TUSB_DIR_IN].max_size = 64;
} }
@ -444,8 +446,6 @@ void OTG_FS_IRQHandler(void) {
dcd_event_bus_signal(0, DCD_EVENT_BUS_RESET, true); dcd_event_bus_signal(0, DCD_EVENT_BUS_RESET, true);
} }
// Read a packet here; the RX FIFO must be cleared in order for the core
// to continue processing. So read into an intermediate buffer.
if(int_status & USB_OTG_GINTSTS_RXFLVL) { if(int_status & USB_OTG_GINTSTS_RXFLVL) {
USB_OTG_FS->GINTSTS = USB_OTG_GINTSTS_RXFLVL; USB_OTG_FS->GINTSTS = USB_OTG_GINTSTS_RXFLVL;
@ -549,8 +549,6 @@ void OTG_FS_IRQHandler(void) {
} }
} }
} }
} }
#endif #endif