portentac33: add sleep to avoid dfu protocol error

pennam · pennam · commit c9ef6175c461 · 2025-08-22T14:11:11.000+02:00
diff --git a/cores/arduino/USB.cpp b/cores/arduino/USB.cpp
@@ -27,6 +27,8 @@ void arduino::SerialUSB_::baudChangeHandler(const struct device *dev, uint32_t r
 
 #if defined(CONFIG_USB_DEVICE_STACK_NEXT)
 int arduino::SerialUSB_::usb_disable() {
+    //To avoid Cannot perform port reset: 1200-bps touch: setting DTR to OFF: protocol error
+    k_sleep(K_MSEC(100));
     return usbd_disable(Serial._usbd);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -27,6 +27,8 @@ void arduino::SerialUSB_::baudChangeHandler(const struct device *dev, uint32_t r`
`27`	`27`
`28`	`28`	`#if defined(CONFIG_USB_DEVICE_STACK_NEXT)`
`29`	`29`	`int arduino::SerialUSB_::usb_disable() {`
	`30`	`+ //To avoid Cannot perform port reset: 1200-bps touch: setting DTR to OFF: protocol error`
	`31`	`+ k_sleep(K_MSEC(100));`
`30`	`32`	`return usbd_disable(Serial._usbd);`
`31`	`33`	`}`
`32`	`34`