v1.8.34 (power on/off features for T-BEAM V10)

src/hal/ttgobeam10.h

@@ -7,9 +7,24 @@
 
 #include <stdint.h>
 
-// Hardware related definitions for TTGO T-Beam board
-// (only) for newer T-Beam version T22_V10
-// pinouts taken from https://github.com/lewisxhe/TTGO-T-Beam
+/* 
+Hardware related definitions for TTGO T-Beam board
+(only) for newer T-Beam version T22_V10
+pinouts taken from https://github.com/lewisxhe/TTGO-T-Beam
+
+/// Button functions: ///
+Power, short press -> set device on (toggles display while device is on)
+Power, long press -> set device off
+User, short press -> flip display page 
+User, long press -> send LORA message
+Reset -> reset device
+*/
+
+//#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
+#define MY_OLED_SDA SDA
+#define MY_OLED_SCL SCL
+#define MY_OLED_RST U8X8_PIN_NONE
+//#define DISPLAY_FLIP  1 // use if display is rotated
 
 #define HAS_LORA 1       // comment out if device shall not send data via LoRa
 #define CFG_sx1276_radio 1 // HPD13A LoRa SoC
@@ -30,16 +45,30 @@
 //#define HAS_BME680 SDA, SCL
 //#define BME680_ADDR BME680_I2C_ADDR_PRIMARY // !! connect SDIO of BME680 to GND !!
 
-// display (if connected)
-//#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
-//#define MY_OLED_SDA SDA
-//#define MY_OLED_SCL SCL
-//#define MY_OLED_RST U8X8_PIN_NONE
-//#define DISPLAY_FLIP  1 // use if display is rotated
-
 // user defined sensors (if connected)
 //#define HAS_SENSORS 1 // comment out if device has user defined sensors
 
 //#define DISABLE_BROWNOUT 1 // comment out if you want to keep brownout feature
 
 #endif
+
+/*
+
+// T-Beam V10 has on board power management by AXP192 PMU chip:
+//
+// DCDC1 0.7-3.5V @ 1200mA -> OLED
+// DCDC3 0.7-3.5V @ 700mA -> ESP32 (keep this on!)
+// LDO1 30mA -> GPS Backup
+// LDO2 200mA -> LORA
+// LDO3 200mA -> GPS
+
+// Wiring for I2C OLED display:
+//
+// Signal     Header   OLED
+// 3V3         7       VCC
+// GND         8       GND
+// IO22(SCL)   9       SCL
+// IO21(SDA)   10      SDA
+//
+
+*/