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