From b3865213c689cec683663207c6136902a936665a Mon Sep 17 00:00:00 2001
From: "Aaron.Lee" <32860565+Heltec-Aaron-Lee@users.noreply.github.com>
Date: Sat, 2 Nov 2024 04:12:41 +0800
Subject: [PATCH] Add Heltec V3 battery read pin detect function (#5196)

---
 src/Power.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Power.cpp b/src/Power.cpp
index 02a07e620c..96399f3883 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -154,9 +154,16 @@ static void adcEnable()
 #ifdef ADC_CTRL // enable adc voltage divider when we need to read
 #ifdef ADC_USE_PULLUP
     pinMode(ADC_CTRL, INPUT_PULLUP);
+#else
+#ifdef HELTEC_V3
+    pinMode(ADC_CTRL,INPUT);
+    uint8_t adc_ctl_enable_value=!(digitalRead(ADC_CTRL));
+    pinMode(ADC_CTRL, OUTPUT);
+    digitalWrite(ADC_CTRL, adc_ctl_enable_value);
 #else
     pinMode(ADC_CTRL, OUTPUT);
     digitalWrite(ADC_CTRL, ADC_CTRL_ENABLED);
+#endif
 #endif
     delay(10);
 #endif
@@ -167,10 +174,14 @@ static void adcDisable()
 #ifdef ADC_CTRL // disable adc voltage divider when we need to read
 #ifdef ADC_USE_PULLUP
     pinMode(ADC_CTRL, INPUT_PULLDOWN);
+#else
+#ifdef HELTEC_V3
+    pinMode(ADC_CTRL,ANALOG);
 #else
     digitalWrite(ADC_CTRL, !ADC_CTRL_ENABLED);
 #endif
 #endif
+#endif
 }
 
 #endif