meshtastic-firmware/variants/xiao_ble/variant.h

202 wiersze
4.7 KiB
C

#ifndef _SEEED_XIAO_NRF52840_SENSE_H_
#define _SEEED_XIAO_NRF52840_SENSE_H_
/** Master clock frequency */
#define VARIANT_MCK (64000000ul)
#define USE_LFXO // Board uses 32khz crystal for LF
// #define USE_LFRC // Board uses RC for LF
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "WVariant.h"
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#define PINS_COUNT (33)
#define NUM_DIGITAL_PINS (33)
#define NUM_ANALOG_INPUTS (8) // A6 is used for battery, A7 is analog reference
#define NUM_ANALOG_OUTPUTS (0)
// LEDs
#define LED_RED 11
#define LED_BLUE 12
#define LED_GREEN 13
#define PIN_LED1 LED_GREEN
#define PIN_LED2 LED_BLUE
#define PIN_LED3 LED_RED
#define PIN_LED PIN_LED1
#define LED_PWR (PINS_COUNT)
#define LED_BUILTIN PIN_LED
#define LED_STATE_ON 1 // State when LED is lit
/*
* Buttons
*/
#define PIN_BUTTON1 (PINS_COUNT)
// Digital PINs
#define D0 (0ul)
#define D1 (1ul)
#define D2 (2ul)
#define D3 (3ul)
#define D4 (4ul)
#define D5 (5ul)
#define D6 (6ul)
#define D7 (7ul)
#define D8 (8ul)
#define D9 (9ul)
#define D10 (10ul)
/*
* Analog pins
*/
#define PIN_A0 (0)
#define PIN_A1 (1)
#define PIN_A2 (2)
#define PIN_A3 (3)
#define PIN_A4 (4)
#define PIN_A5 (5)
#define PIN_VBAT (32)
#define VBAT_ENABLE (14)
static const uint8_t A0 = PIN_A0;
static const uint8_t A1 = PIN_A1;
static const uint8_t A2 = PIN_A2;
static const uint8_t A3 = PIN_A3;
static const uint8_t A4 = PIN_A4;
static const uint8_t A5 = PIN_A5;
#define ADC_RESOLUTION 12
// Other pins
#define PIN_NFC1 (30)
#define PIN_NFC2 (31)
/*
* Serial interfaces
*/
#define PIN_SERIAL1_RX (-1) // (7)
#define PIN_SERIAL1_TX (-1) // (6)
#define PIN_SERIAL2_RX (-1)
#define PIN_SERIAL2_TX (-1)
/*
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 1
#define PIN_SPI_MISO (9)
#define PIN_SPI_MOSI (10)
#define PIN_SPI_SCK (8)
static const uint8_t SS = D0;
static const uint8_t MOSI = PIN_SPI_MOSI;
static const uint8_t MISO = PIN_SPI_MISO;
static const uint8_t SCK = PIN_SPI_SCK;
// supported modules list
#define USE_SX1262
// common pinouts for SX126X modules
#define SX126X_CS D0
#define SX126X_DIO1 D1
#define SX126X_BUSY D2
#define SX126X_RESET D3
// ----------------------------------------------------------------
// E22 Tx/Rx control options:
// 1. Let the E22 control Tx and Rx automagically via DIO2.
// * The E22's TXEN and DIO2 pins are connected to each other, but not to the MCU.
// * The E22's RXEN pin *is* connected to the MCU.
// * E22_TXEN_CONNECTED_TO_DIO2 is defined so the logic in SX126XInterface.cpp handles this configuration correctly.
#define SX126X_TXEN RADIOLIB_NC
#define SX126X_RXEN D7
// ------------------------------ OR ------------------------------
// 2. Control Tx and Rx manually.
// * The E22's TXEN and RXEN pins are both connected to the MCU.
// #define SX126X_TXEN D6
// #define SX126X_RXEN D7
// ----------------------------------------------------------------
#ifdef EBYTE_E22
// Internally the TTGO module hooks the SX126x-DIO2 in to control the TX/RX switch
// (which is the default for the sx1262interface code)
#define SX126X_DIO2_AS_RF_SWITCH
#define SX126X_DIO3_TCXO_VOLTAGE 1.8
#endif
/*
* Wire Interfaces
*/
#define WIRE_INTERFACES_COUNT 1 // 2
#define PIN_WIRE_SDA (4)
#define PIN_WIRE_SCL (5)
static const uint8_t SDA = PIN_WIRE_SDA;
static const uint8_t SCL = PIN_WIRE_SCL;
#define PIN_LSM6DS3TR_C_POWER (15)
#define PIN_LSM6DS3TR_C_INT1 (18)
// PDM Interfaces
// ---------------
#define PIN_PDM_PWR (19)
#define PIN_PDM_CLK (20)
#define PIN_PDM_DIN (21)
// QSPI Pins
#define PIN_QSPI_SCK (24)
#define PIN_QSPI_CS (25)
#define PIN_QSPI_IO0 (26)
#define PIN_QSPI_IO1 (27)
#define PIN_QSPI_IO2 (28)
#define PIN_QSPI_IO3 (29)
// On-board QSPI Flash
#define EXTERNAL_FLASH_DEVICES P25Q16H
#define EXTERNAL_FLASH_USE_QSPI
// Battery
#define BAT_READ \
14 // P0_14 = 14 Reads battery voltage from divider on signal board. (PIN_VBAT is reading voltage divider on XIAO and is
// program pin 32 / or P0.31)
#define CHARGE_LED 23 // P0_17 = 17 D23 YELLOW CHARGE LED
#define HICHG 22 // P0_13 = 13 D22 Charge-select pin for Lipo for 100 mA instead of default 50mA charge
// The battery sense is hooked to pin A0 (5)
#define BATTERY_PIN PIN_VBAT // PIN_A0
// ratio of voltage divider = 3.0 (R17=1M, R18=510k)
#define ADC_MULTIPLIER 3 // 3.0 + a bit for being optimistic
#ifdef __cplusplus
}
#endif
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/
#endif