update readme and update cpp

ESP32Home · May 11, 2019 · 21207ea · 21207ea
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commit 21207ea
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diff --git a/README.MD b/README.MD
@@ -42,6 +42,8 @@ TTGO Badge & TTGO EPaper Series
     #include <GxGDE0213B72/GxGDE0213B72.h> // 2.13" b/w
     ```
 
+- 2019/5/11 The T5_V2.4 version is the same as the T5_V1.2 version pin pin. Add `IO19` to the power amplifier power control. Control IO19 to high level to turn on the power amplifier power supply, low level is off.
+- 
 ## First
 
 - For the first time, change the macro definition in `board_def.h` according to the corresponding layout and screen, and change the version to be used to 1.

diff --git a/TTGO-Badge.ino b/TTGO-Badge.ino
@@ -666,6 +666,13 @@ void setup()
 {
     Serial.begin(115200);
     delay(500);
+
+// It is only necessary to turn on the power amplifier power supply on the T5_V24 board.
+#ifdef AMP_POWER_CTRL
+    pinMode(AMP_POWER_CTRL, OUTPUT);
+    digitalWrite(AMP_POWER_CTRL, HIGH);
+#endif
+
     if (SPEAKER_OUT > 0) {
         ledcSetup(CHANNEL_0, 1000, 8);
         ledcAttachPin(SPEAKER_OUT, CHANNEL_0);

diff --git a/board_def.h b/board_def.h
@@ -37,6 +37,10 @@
 
 #define SPEAKER_OUT 25
 
+#if TTGO_T5_2_4
+#define AMP_POWER_CTRL  19
+#endif
+
 #elif TTGO_T5_2_1
 #include <GxGDEH029A1/GxGDEH029A1.h> // 2.9" b/w
 #define ELINK_BUSY 4