Update ports/raspberrypi/common-hal/busio/UART.c

jepler · dhalbert · web-flow · commit 598cad7851b8 · 2024-07-12T09:04:23.000-05:00
Co-authored-by: Dan Halbert &lt;halbert@adafruit.com&gt;
diff --git a/ports/raspberrypi/common-hal/busio/UART.c b/ports/raspberrypi/common-hal/busio/UART.c
@@ -43,6 +43,9 @@ void never_reset_uart(uint8_t num) {
 }
 
 static void pin_check(const uint8_t uart, const mcu_pin_obj_t *pin, const uint8_t pin_type) {
+    if (pin == NULL) {
+        return;
+    }
     if (!(((pin->number % 4) == pin_type) && ((((pin->number + 4) / 8) % NUM_UARTS) == uart))) {
         raise_ValueError_invalid_pins();
     }

Original file line number	Diff line number	Diff line change
`@@ -43,6 +43,9 @@ void never_reset_uart(uint8_t num) {`
`43`	`43`	`}`
`44`	`44`
`45`	`45`	`static void pin_check(const uint8_t uart, const mcu_pin_obj_t *pin, const uint8_t pin_type) {`
	`46`	`+ if (pin == NULL) {`
	`47`	`+ return;`
	`48`	`+ }`
`46`	`49`	`if (!(((pin->number % 4) == pin_type) && ((((pin->number + 4) / 8) % NUM_UARTS) == uart))) {`
`47`	`50`	`raise_ValueError_invalid_pins();`
`48`	`51`	`}`