Fix shutdown() not working.

Author: Forairaaaaa

src/M5CoreInk.cpp

@@ -13,6 +13,8 @@ int M5CoreInk::begin(bool InkEnable, bool wireEnable, bool SpeakerEnable)
     pinMode(POWER_HOLD_PIN, OUTPUT);
     digitalWrite(POWER_HOLD_PIN, HIGH); // Hold power
 
+    pinMode(1, OUTPUT);
+
     pinMode(LED_EXT_PIN, OUTPUT);
 
     Serial.begin(115200);
@@ -58,6 +60,10 @@ void M5CoreInk::update()
 void M5CoreInk::shutdown()
 {
     M5Ink.deepSleep();
+
+    pinMode(1, OUTPUT);
+    digitalWrite(1, LOW);
+
     digitalWrite(POWER_HOLD_PIN, LOW);
 }
 int M5CoreInk::shutdown(int seconds)
@@ -66,6 +72,10 @@ int M5CoreInk::shutdown(int seconds)
     rtc.clearIRQ();
     rtc.SetAlarmIRQ(seconds);
     delay(10);
+
+    pinMode(1, OUTPUT);
+    digitalWrite(1, LOW);
+
     digitalWrite(POWER_HOLD_PIN, LOW);
     return 0;
 }
@@ -75,6 +85,10 @@ int M5CoreInk::shutdown(const RTC_TimeTypeDef &RTC_TimeStruct)
     rtc.clearIRQ();
     rtc.SetAlarmIRQ(RTC_TimeStruct);
     delay(10);
+
+    pinMode(1, OUTPUT);
+    digitalWrite(1, LOW);
+
     digitalWrite(POWER_HOLD_PIN, LOW);
     return 0;
 }
@@ -84,6 +98,10 @@ int M5CoreInk::shutdown(const RTC_DateTypeDef &RTC_DateStruct, const RTC_TimeTyp
     rtc.clearIRQ();
     rtc.SetAlarmIRQ(RTC_DateStruct,RTC_TimeStruct);
     delay(10);
+
+    pinMode(1, OUTPUT);
+    digitalWrite(1, LOW);
+    
     digitalWrite(POWER_HOLD_PIN, LOW);
     return 0;
 }