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425f384b1f
* DIY InkHUD variants (ProMicro & T114) * Fix file encoding > We’ve detected the file encoding as ISO-8859-1. When you commit changes we will transcode it to UTF-8. * Update comment justifying trunk suppression
176 lines
4.8 KiB
C
176 lines
4.8 KiB
C
// Unlike many other InkHUD variants, this environment does require its own variant.h file
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// This is because the default T114 variant maps SPI1 pins to the optional TFT display, and those pins are not broken out
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#ifndef _VARIANT_HELTEC_NRF_
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#define _VARIANT_HELTEC_NRF_
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/** Master clock frequency */
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#define VARIANT_MCK (64000000ul)
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#define USE_LFXO // Board uses 32khz crystal for LF
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "WVariant.h"
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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#define HELTEC_MESH_NODE_T114
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// Number of pins defined in PinDescription array
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#define PINS_COUNT (48)
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#define NUM_DIGITAL_PINS (48)
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#define NUM_ANALOG_INPUTS (1)
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#define NUM_ANALOG_OUTPUTS (0)
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// LEDs
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#define PIN_LED1 (32 + 3) // green (confirmed on 1.0 board)
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#define LED_BLUE PIN_LED1 // fake for bluefruit library
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#define LED_GREEN PIN_LED1
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#define LED_BUILTIN LED_GREEN
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#define LED_STATE_ON 0 // State when LED is lit
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#define HAS_NEOPIXEL // Enable the use of neopixels
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#define NEOPIXEL_COUNT 2 // How many neopixels are connected
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#define NEOPIXEL_DATA 14 // gpio pin used to send data to the neopixels
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#define NEOPIXEL_TYPE (NEO_GRB + NEO_KHZ800) // type of neopixels in use
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/*
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* Buttons
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*/
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#define PIN_BUTTON1 (32 + 10)
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// #define PIN_BUTTON2 (0 + 18) // 0.18 is labeled on the board as RESET but we configure it in the bootloader as a regular
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// GPIO
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/*
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No longer populated on PCB
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*/
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#define PIN_SERIAL2_RX (0 + 9)
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#define PIN_SERIAL2_TX (0 + 10)
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// #define PIN_SERIAL2_EN (0 + 17)
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/*
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* I2C
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*/
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#define WIRE_INTERFACES_COUNT 2
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// I2C bus 0
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// Routed to footprint for PCF8563TS RTC
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// Not populated on T114 V1, maybe in future?
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#define PIN_WIRE_SDA (0 + 26) // P0.26
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#define PIN_WIRE_SCL (0 + 27) // P0.27
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// I2C bus 1
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// Available on header pins, for general use
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#define PIN_WIRE1_SDA (0 + 16) // P0.16
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#define PIN_WIRE1_SCL (0 + 13) // P0.13
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/*
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* Lora radio
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*/
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#define USE_SX1262
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// #define USE_SX1268
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#define SX126X_CS (0 + 24) // FIXME - we really should define LORA_CS instead
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#define LORA_CS (0 + 24)
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#define SX126X_DIO1 (0 + 20)
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// Note DIO2 is attached internally to the module to an analog switch for TX/RX switching
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// #define SX1262_DIO3 (0 + 21)
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// This is used as an *output* from the sx1262 and connected internally to power the tcxo, do not drive from the
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// main
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// CPU?
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#define SX126X_BUSY (0 + 17)
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#define SX126X_RESET (0 + 25)
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// Not really an E22 but TTGO seems to be trying to clone that
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#define SX126X_DIO2_AS_RF_SWITCH
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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/*
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* E-Ink DIY
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*/
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#define PIN_EINK_MOSI (0 + 8) // also called SDA
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#define PIN_EINK_SCLK (0 + 7)
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#define PIN_EINK_CS (32 + 12)
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#define PIN_EINK_DC (32 + 14)
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#define PIN_EINK_RES (0 + 5)
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#define PIN_EINK_BUSY (32 + 15)
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/*
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* GPS pins
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*/
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#define GPS_L76K
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// #define PIN_GPS_RESET (32 + 6) // An output to reset L76K GPS. As per datasheet, low for > 100ms will reset the L76K
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#define GPS_RESET_MODE LOW
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// #define PIN_GPS_EN (21)
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#define VEXT_ENABLE (0 + 21)
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#define PERIPHERAL_WARMUP_MS 1000 // Make sure I2C QuickLink has stable power before continuing
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#define VEXT_ON_VALUE HIGH
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// #define GPS_EN_ACTIVE HIGH
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#define PIN_GPS_STANDBY (32 + 2) // An output to wake GPS, low means allow sleep, high means force wake
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#define PIN_GPS_PPS (32 + 4)
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// Seems to be missing on this new board
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// #define PIN_GPS_PPS (32 + 4) // Pulse per second input from the GPS
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#define GPS_TX_PIN (32 + 5) // This is for bits going TOWARDS the CPU
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#define GPS_RX_PIN (32 + 7) // This is for bits going TOWARDS the GPS
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#define GPS_THREAD_INTERVAL 50
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#define PIN_SERIAL1_RX GPS_TX_PIN
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#define PIN_SERIAL1_TX GPS_RX_PIN
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// PCF8563 RTC Module
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#define PCF8563_RTC 0x51
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/*
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* SPI Interfaces
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*/
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#define SPI_INTERFACES_COUNT 2
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// For LORA, spi 0
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#define PIN_SPI_MISO (0 + 23)
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#define PIN_SPI_MOSI (0 + 22)
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#define PIN_SPI_SCK (0 + 19)
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#define PIN_SPI1_MISO -1
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#define PIN_SPI1_MOSI PIN_EINK_MOSI
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#define PIN_SPI1_SCK PIN_EINK_SCLK
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// #define PIN_PWR_EN (0 + 6)
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// To debug via the segger JLINK console rather than the CDC-ACM serial device
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// #define USE_SEGGER
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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 ADC_CTRL 6
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#define ADC_CTRL_ENABLED HIGH
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#define BATTERY_PIN 4
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#define ADC_RESOLUTION 14
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#define BATTERY_SENSE_RESOLUTION_BITS 12
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#define BATTERY_SENSE_RESOLUTION 4096.0
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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 (4.90F)
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#define HAS_RTC 0
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#ifdef __cplusplus
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}
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#endif
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/*----------------------------------------------------------------------------
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* Arduino objects - C++ only
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*----------------------------------------------------------------------------*/
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#endif
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