PLEASE TEST move the power rail init earlier in the startup process on 4630

src/main.cpp

@@ -360,18 +360,11 @@ void setup()
     delay(1);
 #endif
 
-#ifdef RAK4630
-#ifdef PIN_3V3_EN
-    // We need to enable 3.3V periphery in order to scan it
-    pinMode(PIN_3V3_EN, OUTPUT);
-    digitalWrite(PIN_3V3_EN, HIGH);
-#endif
 #ifdef AQ_SET_PIN
     // RAK-12039 set pin for Air quality sensor
     pinMode(AQ_SET_PIN, OUTPUT);
     digitalWrite(AQ_SET_PIN, HIGH);
 #endif
-#endif
 
 #ifdef T_DECK
     // enable keyboard
@@ -548,10 +541,6 @@ void setup()
     setupSDCard();
 #endif
 
-#ifdef RAK4630
-    // scanEInkDevice();
-#endif
-
     // LED init
 
 #ifdef LED_PIN

variants/monteops_hw1/variant.cpp

@@ -38,4 +38,8 @@ void initVariant()
 
     pinMode(PIN_LED2, OUTPUT);
     ledOff(PIN_LED2);
+
+    // 3V3 Power Rail
+    pinMode(PIN_3V3_EN, OUTPUT);
+    digitalWrite(PIN_3V3_EN, HIGH);
 }

variants/rak10701/variant.cpp

@@ -38,4 +38,8 @@ void initVariant()
 
     pinMode(PIN_LED2, OUTPUT);
     ledOff(PIN_LED2);
+
+    // 3V3 Power Rail
+    pinMode(PIN_3V3_EN, OUTPUT);
+    digitalWrite(PIN_3V3_EN, HIGH);
 }

variants/rak4631/variant.cpp

@@ -38,4 +38,8 @@ void initVariant()
 
     pinMode(PIN_LED2, OUTPUT);
     ledOff(PIN_LED2);
+
+    // 3V3 Power Rail
+    pinMode(PIN_3V3_EN, OUTPUT);
+    digitalWrite(PIN_3V3_EN, HIGH);
 }

variants/rak4631_epaper/variant.cpp

@@ -38,4 +38,8 @@ void initVariant()
 
     pinMode(PIN_LED2, OUTPUT);
     ledOff(PIN_LED2);
+
+    // 3V3 Power Rail
+    pinMode(PIN_3V3_EN, OUTPUT);
+    digitalWrite(PIN_3V3_EN, HIGH);
 }

variants/rak4631_epaper_onrxtx/variant.cpp

@@ -38,4 +38,8 @@ void initVariant()
 
     pinMode(PIN_LED2, OUTPUT);
     ledOff(PIN_LED2);
+
+    // 3V3 Power Rail
+    pinMode(PIN_3V3_EN, OUTPUT);
+    digitalWrite(PIN_3V3_EN, HIGH);
 }