stm32: Only enable one direction on usbfs double buffered end points

The bulk out endpoint should not be enabled in tx mode, and the bulk in endpoint should not be enabled in rx mode. Signed-off-by: Kevin O'Connor <[email protected]>
LynxCrew · Oct 4, 2023 · 615db72 · 615db72
1 parent 6adff39
commit 615db72
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/stm32/usbfs.c b/src/stm32/usbfs.c
@@ -342,12 +342,12 @@ usb_reset(void)
 
     ep = USB_CDC_EP_BULK_OUT;
     USB_EPR[ep] = (USB_CDC_EP_BULK_OUT | USB_EP_BULK | USB_EP_KIND
-                   | USB_EP_RX_VALID | USB_EP_TX_NAK | USB_EP_DTOG_TX);
+                   | USB_EP_RX_NAK | USB_EP_DTOG_TX);
     bulk_out_push_flag = USB_EP_DTOG_TX;
 
     ep = USB_CDC_EP_BULK_IN;
     USB_EPR[ep] = (USB_CDC_EP_BULK_IN | USB_EP_BULK | USB_EP_KIND
-                   | USB_EP_RX_NAK | USB_EP_TX_NAK);
+                   | USB_EP_TX_NAK);
     bulk_in_pop_flag = USB_EP_DTOG_RX;
 
     USB->CNTR = USB_CNTR_CTRM | USB_CNTR_RESETM;