From 0b26efe73dd3396bdc2b77651a78d9f2edeb9004 Mon Sep 17 00:00:00 2001
From: robert-hh <robert@hammelrath.com>
Date: Sun, 28 Aug 2022 18:14:53 +0200
Subject: [PATCH] extmod/machine_i2c: Call MICROPY_PY_EVENT_HOOK during
 i2c.scan().

Avoiding a watchdog reset during i2c.scan() if the hardware is not properly
set up (eg on esp8266), and also allowing to stop the scan with a
KeyboardInterrupt.

Fixes issue #8876.
---
 extmod/machine_i2c.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extmod/machine_i2c.c b/extmod/machine_i2c.c
index 2aa217914bfb..ff597b58c5e5 100644
--- a/extmod/machine_i2c.c
+++ b/extmod/machine_i2c.c
@@ -328,6 +328,9 @@ STATIC mp_obj_t machine_i2c_scan(mp_obj_t self_in) {
         if (ret == 0) {
             mp_obj_list_append(list, MP_OBJ_NEW_SMALL_INT(addr));
         }
+        #ifdef MICROPY_EVENT_POLL_HOOK
+        MICROPY_EVENT_POLL_HOOK
+        #endif
     }
     return list;
 }