fix closing and reopening the serial interface

hathach · hathach · commit 50477ae3ae2d · 2022-02-10T19:33:10.000+07:00
diff --git a/src/arduino/Adafruit_USBD_CDC.cpp b/src/arduino/Adafruit_USBD_CDC.cpp
@@ -94,6 +94,7 @@ void Adafruit_USBD_CDC::end(void) {
   // Reset configuration descriptor without Serial as CDC
   TinyUSBDevice.clearConfiguration();
   _instance_count = 0;
+  _instance = INVALID_INSTANCE;
 }
 
 uint32_t Adafruit_USBD_CDC::baud(void) {

Original file line number	Diff line number	Diff line change
`@@ -94,6 +94,7 @@ void Adafruit_USBD_CDC::end(void) {`
`94`	`94`	`// Reset configuration descriptor without Serial as CDC`
`95`	`95`	`TinyUSBDevice.clearConfiguration();`
`96`	`96`	`_instance_count = 0;`
	`97`	`+ _instance = INVALID_INSTANCE;`
`97`	`98`	`}`
`98`	`99`
`99`	`100`	`uint32_t Adafruit_USBD_CDC::baud(void) {`