1 files changed, 10 insertions, 0 deletions
diff --git a/supervisor/shared/micropython.c b/supervisor/shared/micropython.c
index 245db11d4..bbc4807f9 100644
--- a/supervisor/shared/micropython.c
+++ b/supervisor/shared/micropython.c
@@ -29,14 +29,24 @@
 #include "supervisor/serial.h"
 #include "lib/oofatfs/ff.h"
 #include "py/mpconfig.h"
+#include "py/mpstate.h"
+#include "py/runtime.h"
 
 #include "supervisor/shared/status_leds.h"
 
+#if CIRCUITPY_WATCHDOG
+#include "shared-bindings/watchdog/__init__.h"
+#define WATCHDOG_EXCEPTION_CHECK() (MP_STATE_VM(mp_pending_exception) == &mp_watchdog_timeout_exception)
+#else
+#define WATCHDOG_EXCEPTION_CHECK() 0
+#endif
+
 int mp_hal_stdin_rx_chr(void) {
     for (;;) {
         #ifdef MICROPY_VM_HOOK_LOOP
             MICROPY_VM_HOOK_LOOP
         #endif
+        mp_handle_pending();
         if (serial_bytes_available()) {
             toggle_rx_led();
             return serial_read();