firmware/variants/heltec_wireless_paper/variant.h
2023-08-07 23:22:17 +00:00

43 lines
1.2 KiB
C

#define LED_PIN 18
// Enable bus for external periherals
#define I2C_SDA SDA
#define I2C_SCL SCL
#define USE_EINK
/*
* eink display pins
*/
#define PIN_EINK_CS 4
#define PIN_EINK_BUSY 7
#define PIN_EINK_DC 5
#define PIN_EINK_RES 6
#define PIN_EINK_SCLK 3
#define PIN_EINK_MOSI 2
#define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
#define BUTTON_PIN 0
#define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
#define ADC_CHANNEL ADC1_GPIO1_CHANNEL
#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
#define ADC_MULTIPLIER 4.9
#define USE_SX1262
#define LORA_DIO0 -1 // a No connect on the SX1262 module
#define LORA_RESET 12
#define LORA_DIO1 14 // SX1262 IRQ
#define LORA_DIO2 13 // SX1262 BUSY
#define LORA_DIO3 // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
#define RF95_SCK 9
#define RF95_MISO 11
#define RF95_MOSI 10
#define RF95_NSS 8
#define SX126X_CS RF95_NSS
#define SX126X_DIO1 LORA_DIO1
#define SX126X_BUSY LORA_DIO2
#define SX126X_RESET LORA_RESET
#define SX126X_E22