Do not set USB_EP_RX_NAK for ISO EP.

HiFiPhile · HiFiPhile · commit 07ad64adfe19 · 2022-12-29T23:30:24.000+01:00
diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
@@ -1170,9 +1170,11 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
   }
   else
   { // OUT
+    if (pcd_get_eptype(USB, epnum) !=  USB_EP_ISOCHRONOUS) {
+      pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_NAK);
+    }
     /* Reset to DATA0 if clearing stall condition. */
     pcd_clear_rx_dtog(USB, epnum);
-    pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_NAK);
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1170,9 +1170,11 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)`
`1170`	`1170`	`}`
`1171`	`1171`	`else`
`1172`	`1172`	`{ // OUT`
	`1173`	`+ if (pcd_get_eptype(USB, epnum) != USB_EP_ISOCHRONOUS) {`
	`1174`	`+ pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_NAK);`
	`1175`	`+ }`
`1173`	`1176`	`/* Reset to DATA0 if clearing stall condition. */`
`1174`	`1177`	`pcd_clear_rx_dtog(USB, epnum);`
`1175`		`- pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_NAK);`
`1176`	`1178`	`}`
`1177`	`1179`	`}`
`1178`	`1180`