Add earlyInitVariant to move device specific code out of main.cpp

variants/esp32s3/ELECROW-ThinkNode-M5/variant.cpp

@@ -0,0 +1,12 @@
+#include "variant.h"
+#include <PCA9557.h>
+
+PCA9557 io(0x18, &Wire);
+
+void earlyInitVariant()
+{
+    Wire.begin(48, 47);
+    io.pinMode(PCA_PIN_EINK_EN, OUTPUT);
+    io.pinMode(PCA_PIN_POWER_EN, OUTPUT);
+    io.digitalWrite(PCA_PIN_POWER_EN, HIGH);
+}

variants/esp32s3/hackaday-communicator/variant.cpp

@@ -0,0 +1,6 @@
+#include "variant.h"
+
+void earlyInitVariant()
+{
+    pinMode(KB_INT, INPUT);
+}

variants/esp32s3/t-deck-pro/variant.cpp

@@ -0,0 +1,13 @@
+#include "variant.h"
+
+void earlyInitVariant()
+{
+    pinMode(LORA_EN, OUTPUT);
+    digitalWrite(LORA_EN, HIGH);
+    pinMode(LORA_CS, OUTPUT);
+    digitalWrite(LORA_CS, HIGH);
+    pinMode(SDCARD_CS, OUTPUT);
+    digitalWrite(SDCARD_CS, HIGH);
+    pinMode(PIN_EINK_CS, OUTPUT);
+    digitalWrite(PIN_EINK_CS, HIGH);
+}

variants/esp32s3/t-deck/variant.cpp

@@ -0,0 +1,22 @@
+#include "variant.h"
+
+void earlyInitVariant()
+{
+    // GPIO10 manages all peripheral power supplies
+    // Turn on peripheral power immediately after MUC starts.
+    // If some boards are turned on late, ESP32 will reset due to low voltage.
+    // ESP32-C3(Keyboard) , MAX98357A(Audio Power Amplifier) ,
+    // TF Card , Display backlight(AW9364DNR) , AN48841B(Trackball) , ES7210(Decoder)
+    pinMode(KB_POWERON, OUTPUT);
+    digitalWrite(KB_POWERON, HIGH);
+    // T-Deck has all three SPI peripherals (TFT, SD, LoRa) attached to the same SPI bus
+    // We need to initialize all CS pins in advance otherwise there will be SPI communication issues
+    // e.g. when detecting the SD card
+    pinMode(LORA_CS, OUTPUT);
+    digitalWrite(LORA_CS, HIGH);
+    pinMode(SDCARD_CS, OUTPUT);
+    digitalWrite(SDCARD_CS, HIGH);
+    pinMode(TFT_CS, OUTPUT);
+    digitalWrite(TFT_CS, HIGH);
+    delay(100);
+}

variants/esp32s3/tlora-pager/variant.cpp

@@ -0,0 +1,31 @@
+#include "variant.h"
+#include "ExtensionIOXL9555.hpp"
+extern ExtensionIOXL9555 io;
+
+void earlyInitVariant()
+{
+    pinMode(LORA_CS, OUTPUT);
+    digitalWrite(LORA_CS, HIGH);
+    pinMode(SDCARD_CS, OUTPUT);
+    digitalWrite(SDCARD_CS, HIGH);
+    pinMode(TFT_CS, OUTPUT);
+    digitalWrite(TFT_CS, HIGH);
+    pinMode(KB_INT, INPUT_PULLUP);
+    // io expander
+    io.begin(Wire, XL9555_SLAVE_ADDRESS0, SDA, SCL);
+    io.pinMode(EXPANDS_DRV_EN, OUTPUT);
+    io.digitalWrite(EXPANDS_DRV_EN, HIGH);
+    io.pinMode(EXPANDS_AMP_EN, OUTPUT);
+    io.digitalWrite(EXPANDS_AMP_EN, LOW);
+    io.pinMode(EXPANDS_LORA_EN, OUTPUT);
+    io.digitalWrite(EXPANDS_LORA_EN, HIGH);
+    io.pinMode(EXPANDS_GPS_EN, OUTPUT);
+    io.digitalWrite(EXPANDS_GPS_EN, HIGH);
+    io.pinMode(EXPANDS_KB_EN, OUTPUT);
+    io.digitalWrite(EXPANDS_KB_EN, HIGH);
+    io.pinMode(EXPANDS_SD_EN, OUTPUT);
+    io.digitalWrite(EXPANDS_SD_EN, HIGH);
+    io.pinMode(EXPANDS_GPIO_EN, OUTPUT);
+    io.digitalWrite(EXPANDS_GPIO_EN, HIGH);
+    io.pinMode(EXPANDS_SD_PULLEN, INPUT);
+}

variants/nrf52840/r1-neo/variant.cpp

@@ -43,3 +43,11 @@ void initVariant()
     // pinMode(PIN_3V3_EN, OUTPUT);
     // digitalWrite(PIN_3V3_EN, HIGH);
 }
+
+void earlyInitVariant()
+{
+    pinMode(DCDC_EN_HOLD, OUTPUT);
+    digitalWrite(DCDC_EN_HOLD, HIGH);
+    pinMode(NRF_ON, OUTPUT);
+    digitalWrite(NRF_ON, HIGH);
+}