#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); }