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

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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 <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2023-10-04 18:49:46 -04:00
parent 6adff3954b
commit 615db729e7
1 changed files with 2 additions and 2 deletions
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4
src/stm32/usbfs.c
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@@ -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;