// Initialize i2c bus on sd_dat and esp_led pins, respectively. We need a bus to not hang on boot #define HAS_SCREEN 0 #define I2C_SDA 21 #define I2C_SCL 22 #undef GPS_RX_PIN #undef GPS_TX_PIN #define GPS_RX_PIN 9 #define GPS_TX_PIN 10 #define LED_PIN 13 // 13 red, 2 blue, 15 red //#define HAS_BUTTON 0 #define BUTTON_PIN 0 #define BUTTON_NEED_PULLUP #define USE_RF95 #define LORA_DIO0 26 // a No connect on the SX1262 module #define LORA_RESET 23 #define LORA_DIO1 33 #define LORA_DIO2 32 // Not really used #define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage // Battery // The battery sense is hooked to pin A0 (4) // it is defined in the anlaolgue pin section of this file // and has 12 bit resolution #define BATTERY_SENSE_RESOLUTION_BITS 12 #define BATTERY_SENSE_RESOLUTION 4096.0 // Definition of milliVolt per LSB => 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096 #define VBAT_MV_PER_LSB (0.73242188F) // Voltage divider value => 100K + 100K voltage divider on VBAT = (100K / (100K + 100K)) #define VBAT_DIVIDER (0.5F) // Compensation factor for the VBAT divider #define VBAT_DIVIDER_COMP (2.0) // Fixed calculation of milliVolt from compensation value #define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB) #undef AREF_VOLTAGE #define AREF_VOLTAGE 3.0 #define VBAT_AR_INTERNAL AR_INTERNAL_3_0 #define ADC_MULTIPLIER VBAT_DIVIDER_COMP #define VBAT_RAW_TO_SCALED(x) (REAL_VBAT_MV_PER_LSB * x) //#define BATTERY_SENSE_SAMPLES 15 // Set the number of samples, It has an effect of increasing sensitivity. //#define ADC_MULTIPLIER 3.3