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Move device code from main.cpp to earlyInitVariant (#9438)

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This commit is contained in:
Jonathan Bennett
2026-01-26 11:54:14 -06:00
committed by GitHub
parent 0770f25e79
commit c038cfe69a
25 changed files with 208 additions and 148 deletions
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23
variants/esp32s3/t-deck/variant.cpp Normal file
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@@ -0,0 +1,23 @@
#include "variant.h"
#include "Arduino.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);
}