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