MeshCore/variants/promicro/variant.h at f7e494487d430cc4c8f8073423ab68afc0a934bd · meshcore-dev/MeshCore · GitHub

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/*
 * variant.h
 * Copyright (C) 2023 Seeed K.K.
 * MIT License
 */

 #pragma once

 #include "WVariant.h"

 ////////////////////////////////////////////////////////////////////////////////
 // Low frequency clock source

#define VARIANT_MCK       (64000000ul)

//#define USE_LFXO      // 32.768 kHz crystal oscillator
#define USE_LFRC    // 32.768 kHz RC oscillator

////////////////////////////////////////////////////////////////////////////////
// Power

#define PIN_EXT_VCC          (21)
#define EXT_VCC              (PIN_EXT_VCC)

#define PIN_VBAT_READ        (17)
#define ADC_RESOLUTION       (14)
#define AREF_VOLTAGE         (3.6f) // Using default analog reference (AR_INTERNAL), which maps ADC reading to 0 ... 3.6V

////////////////////////////////////////////////////////////////////////////////
// Number of pins

#define PINS_COUNT           (23)
#define NUM_DIGITAL_PINS     (23)
#define NUM_ANALOG_INPUTS    (3)
#define NUM_ANALOG_OUTPUTS   (0)

////////////////////////////////////////////////////////////////////////////////
// UART pin definition

#define PIN_SERIAL1_TX       (1)
#define PIN_SERIAL1_RX       (0)

////////////////////////////////////////////////////////////////////////////////
// I2C pin definition

#define WIRE_INTERFACES_COUNT 2

#define PIN_WIRE_SDA         (6)
#define PIN_WIRE_SCL         (7)
#define PIN_WIRE1_SDA        (13)
#define PIN_WIRE1_SCL        (14)

////////////////////////////////////////////////////////////////////////////////
// SPI pin definition

#define SPI_INTERFACES_COUNT 2

#define PIN_SPI_SCK          (2)
#define PIN_SPI_MISO         (3)
#define PIN_SPI_MOSI         (4)

#define PIN_SPI_NSS          (5)

#define PIN_SPI1_SCK         (18)
#define PIN_SPI1_MISO        (19)
#define PIN_SPI1_MOSI        (20)

////////////////////////////////////////////////////////////////////////////////
// Builtin LEDs

#define PIN_LED              (22)
#define LED_PIN              PIN_LED
#define LED_BLUE             PIN_LED
#define LED_BUILTIN          PIN_LED
#define LED_STATE_ON         1

////////////////////////////////////////////////////////////////////////////////
// Builtin buttons

#define PIN_BUTTON1          (6)
#define BUTTON_PIN           PIN_BUTTON1