lilygo t-echo: move init stuff to variant.cpp, disable gps to conserve battery

src/helpers/nrf52/TechoBoard.cpp

@@ -24,19 +24,6 @@ void TechoBoard::begin() {
   // for future use, sub-classes SHOULD call this from their begin()
   startup_reason = BD_STARTUP_NORMAL;
 
-  delay(200);
-  pinMode(PIN_PWR_EN, OUTPUT);
-  digitalWrite(PIN_PWR_EN, HIGH);
-  pinMode(PIN_BUTTON1, INPUT_PULLUP);
-  pinMode(PIN_BUTTON2, INPUT_PULLUP);
-  pinMode(LED_RED, OUTPUT);
-  pinMode(LED_GREEN, OUTPUT);
-  pinMode(LED_BLUE, OUTPUT);
-  delay(200);
-
-  pinMode(PIN_TXCO, OUTPUT);
-  digitalWrite(PIN_TXCO, HIGH);
-
   Wire.begin();
 
   pinMode(SX126X_POWER_EN, OUTPUT);

variants/techo/variant.cpp

@@ -9,14 +9,22 @@ const uint32_t g_ADigitalPinMap[] = {
   40, 41, 42, 43, 44, 45, 46, 47
 };
 
-void initVariant()
-{
-  pinMode(LED_RED, OUTPUT);
-  ledOff(LED_RED);
+void initVariant() {
+  pinMode(PIN_PWR_EN, OUTPUT);
+  digitalWrite(PIN_PWR_EN, HIGH);
 
-  pinMode(LED_GREEN, OUTPUT);
-  ledOff(LED_GREEN);
+  pinMode(PIN_BUTTON1, INPUT_PULLUP);
+  pinMode(PIN_BUTTON2, INPUT_PULLUP);
 
+  pinMode(LED_RED, OUTPUT);
+  pinMode(LED_GREEN, OUTPUT);
   pinMode(LED_BLUE, OUTPUT);
-  ledOff(LED_BLUE);
+  digitalWrite(LED_BLUE, HIGH);
+
+  pinMode(PIN_TXCO, OUTPUT);
+  digitalWrite(PIN_TXCO, HIGH);
+
+  // shutdown gps
+  pinMode(PIN_GPS_STANDBY, OUTPUT);
+  digitalWrite(PIN_GPS_STANDBY, LOW);
 }

variants/techo/variant.h

@@ -42,7 +42,7 @@
 
 #define PIN_SERIAL1_RX          (41) // GPS TX
 #define PIN_SERIAL1_TX          (40) // GPS RX
-
+#define PIN_GPS_STANDBY         (34)
 ////////////////////////////////////////////////////////////////////////////////
 // I2C pin definition
 
@@ -100,3 +100,24 @@
 #define PIN_SPI1_MISO           (39)
 #define PIN_SPI1_MOSI           (29)
 #define PIN_SPI1_SCK            (31)
+
+////////////////////////////////////////////////////////////////////////////////
+// Display
+
+#define DISP_MISO               (38)
+#define DISP_MOSI               (29)
+#define DISP_SCLK               (31)
+#define DISP_CS                 (30)
+#define DISP_DC                 (28)
+#define DISP_RST                (2)
+#define DISP_BUSY               (3)
+#define DISP_BACKLIGHT          (43)
+
+////////////////////////////////////////////////////////////////////////////////
+// GPS
+
+#define PIN_GPS_RX              (41)
+#define PIN_GPS_TX              (40)
+#define PIN_GPS_WAKEUP          (34)
+#define PIN_GPS_RESET           (37)
+#define PIN_GPS_PPS             (36)