heltec v2 gps add

platformio.ini

@@ -465,3 +465,29 @@ lib_deps =
 	adafruit/Adafruit GFX Library @ 1.11.9
 	adafruit/Adafruit SSD1306 @ 2.5.10
 	adafruit/Adafruit SH110X @ 2.1.10
+
+[env:heltec-lora32-v2_GPS]
+extends = env:esp32
+board = ttgo-lora32-v21
+build_flags =
+	-Werror -Wall
+	-DHELTEC_V2_GPS
+	-DHAS_SX1278
+	-DHAS_BT_CLASSIC
+lib_deps =
+	${common.lib_deps}
+	adafruit/Adafruit GFX Library @ 1.11.9
+	adafruit/Adafruit SSD1306 @ 2.5.10
+
+[env:heltec-lora32-v2_GPS_915]
+extends = env:esp32
+board = ttgo-lora32-v21
+build_flags =
+	-Werror -Wall
+	-DHELTEC_V2_GPS_915
+	-DHAS_SX1276
+	-DHAS_BT_CLASSIC
+lib_deps =
+	${common.lib_deps}
+	adafruit/Adafruit GFX Library @ 1.11.9
+	adafruit/Adafruit SSD1306 @ 2.5.10

src/boards_pinout.h

@@ -241,4 +241,22 @@
     #define RADIO_BUSY_PIN      2
 #endif
 
+
+#if defined(HELTEC_V2_GPS) || defined(HELTEC_V2_GPS_915)
+    #define OLED_SDA            4
+    #define OLED_SCL            15
+    #define OLED_RST            16
+    #define GPS_RX              12
+    #define GPS_TX              34
+    #define BATTERY_PIN         37
+    #define BUTTON_PIN          0
+    #define ADC_CTRL            21
+    #define RADIO_SCLK_PIN      5
+    #define RADIO_MISO_PIN      19
+    #define RADIO_MOSI_PIN      27
+    #define RADIO_CS_PIN        18
+    #define RADIO_RST_PIN       14
+    #define RADIO_BUSY_PIN      26
+#endif
+
 #endif

src/power_utils.cpp

@@ -59,7 +59,7 @@ namespace POWER_Utils {
                 #ifdef HELTEC_WIRELESS_TRACKER
                     digitalWrite(ADC_CTRL, HIGH);
                 #endif
-                #ifdef HELTEC_V3_GPS
+                #if defined(HELTEC_V3_GPS) || defined(HELTEC_V2_GPS) || defined(HELTEC_V2_GPS_915)
                     digitalWrite(ADC_CTRL, LOW);
                 #endif
             #endif
@@ -68,7 +68,7 @@ namespace POWER_Utils {
                 #ifdef HELTEC_WIRELESS_TRACKER
                     digitalWrite(ADC_CTRL, LOW);
                 #endif
-                #ifdef HELTEC_V3_GPS
+                #if defined(HELTEC_V3_GPS) || defined(HELTEC_V2_GPS) || defined(HELTEC_V2_GPS_915)
                     digitalWrite(ADC_CTRL, HIGH);
                 #endif
                 batteryMeasurmentTime = millis();
@@ -81,6 +81,10 @@ namespace POWER_Utils {
                 double inputDivider = (1.0 / (390.0 + 100.0)) * 100.0;  // The voltage divider is a 390k + 100k resistor in series, 100k on the low side. 
                 return (voltage / inputDivider) + 0.285; // Yes, this offset is excessive, but the ADC on the ESP32s3 is quite inaccurate and noisy. Adjust to own measurements.
             #endif
+            #if defined(HELTEC_V2_GPS) || defined(HELTEC_V2_GPS_915)
+                double inputDivider = (1.0 / (220.0 + 100.0)) * 100.0;  // The voltage divider is a 390k + 100k resistor in series, 100k on the low side. 
+                return (voltage / inputDivider) + 0.285; // Yes, this offset is excessive, but the ADC on the ESP32s3 is quite inaccurate and noisy. Adjust to own measurements.
+            #endif
         #else
             return 0.0;
         #endif