146 lines
4.9 KiB
C
146 lines
4.9 KiB
C
#ifndef _VARIANT_MOONSHINE_NRF52_
|
|
#define _VARIANT_MOONSHINE_NRF52_
|
|
|
|
/** Master clock frequency */
|
|
#define VARIANT_MCK (64000000ul)
|
|
|
|
// #define USE_LFXO // Board uses 32khz crystal for LF
|
|
#define USE_LFRC // RF-BM-ND05 has no LFXO crystal - use internal RC
|
|
|
|
/*----------------------------------------------------------------------------
|
|
* Headers
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
#include "WVariant.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif // __cplusplus
|
|
|
|
/*
|
|
MOONSHINE NRF52 PIN ASSIGNMENT (RF-BM-ND05)
|
|
|
|
| Pin | Function | | Pin | Function |
|
|
| ----- | ----------- | ------ | ----- | ----------- |
|
|
| P0.05 | VBAT_ADC | | P0.21 | LORA_DIO1 |
|
|
| P0.07 | GPS_RX(MCU) | | P0.22 | LORA_BUSY |
|
|
| P0.08 | GPS_TX(MCU) | | P0.23 | LORA_RESET |
|
|
| P0.09 | IIC_SDA | | P0.24 | SPI_MISO |
|
|
| P0.10 | IIC_SCL | | P0.25 | SPI_MOSI |
|
|
| P0.11 | LORA_RXEN | | P0.26 | BUZZER |
|
|
| P0.12 | UART_RTS | | P0.27 | BUTTON |
|
|
| P0.13 | UART_CTS | | P0.28 | SPI_SCK |
|
|
| P0.14 | UART_TX | | P0.29 | LORA_CS |
|
|
| P0.15 | UART_RX | | P0.30 | LED |
|
|
*/
|
|
|
|
// Number of pins defined in PinDescription array
|
|
#define PINS_COUNT (48)
|
|
#define NUM_DIGITAL_PINS (48)
|
|
#define NUM_ANALOG_INPUTS (1)
|
|
#define NUM_ANALOG_OUTPUTS (0)
|
|
|
|
// No dedicated 3V3 enable pin on this board
|
|
#define PIN_3V3_EN (-1)
|
|
|
|
// Analog pins
|
|
#define BATTERY_PIN (0 + 5) // P0.05 Battery ADC
|
|
#define ADC_RESOLUTION 14
|
|
#define BATTERY_SENSE_RESOLUTION_BITS 12
|
|
#define BATTERY_SENSE_RESOLUTION 4096.0
|
|
// Definition of milliVolt per LSB => 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
|
|
#define VBAT_MV_PER_LSB (0.73242188F)
|
|
// Voltage divider value => equal resistors divider = 0.5
|
|
#define VBAT_DIVIDER (0.5F)
|
|
// Compensation factor for the VBAT divider
|
|
#define VBAT_DIVIDER_COMP (2.0F)
|
|
// Fixed calculation of milliVolt from compensation value
|
|
#define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
|
|
#undef AREF_VOLTAGE
|
|
#define AREF_VOLTAGE 3.0
|
|
#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
|
|
#define ADC_MULTIPLIER VBAT_DIVIDER_COMP // REAL_VBAT_MV_PER_LSB
|
|
#define VBAT_RAW_TO_SCALED(x) (REAL_VBAT_MV_PER_LSB * x)
|
|
|
|
// WIRE IC AND IIC PINS
|
|
#define WIRE_INTERFACES_COUNT 1
|
|
|
|
#define PIN_WIRE_SDA (0 + 9) // P0.09
|
|
#define PIN_WIRE_SCL (0 + 10) // P0.10
|
|
|
|
// LED
|
|
#define PIN_LED1 (0 + 30) // P0.30
|
|
#define LED_BLUE PIN_LED1
|
|
#define LED_STATE_ON 1 // State when LED is lit (active high)
|
|
|
|
// Charge detection (P0.16, active high = charging)
|
|
#define EXT_CHRG_DETECT (0 + 16)
|
|
#define EXT_CHRG_DETECT_VALUE HIGH
|
|
|
|
// Buzzer
|
|
#define PIN_BUZZER (0 + 26) // P0.26
|
|
|
|
// Button
|
|
#define BUTTON_PIN (0 + 27) // P0.27
|
|
|
|
// GPS (silkscreen is from GPS module perspective; Meshtastic macros are from MCU perspective)
|
|
#define GPS_RX_PIN (0 + 7) // P0.07 - data from GNSS to MCU
|
|
#define GPS_TX_PIN (0 + 8) // P0.08 - data from MCU to GNSS
|
|
#define GPS_UBLOX
|
|
// define GPS_DEBUG
|
|
|
|
// UART interfaces
|
|
#define PIN_SERIAL1_TX GPS_TX_PIN
|
|
#define PIN_SERIAL1_RX GPS_RX_PIN
|
|
|
|
// Serial2 (P0.12/P0.13 are wired to RTS/CTS, but HW flow control is not enabled
|
|
// by the Adafruit nRF52 core Serial2 singleton - these pins are unused by firmware)
|
|
#define PIN_SERIAL2_RX (0 + 15) // P0.15
|
|
#define PIN_SERIAL2_TX (0 + 14) // P0.14
|
|
|
|
// Serial interfaces
|
|
#define SPI_INTERFACES_COUNT 1
|
|
|
|
#define PIN_SPI_MISO (0 + 24) // P0.24
|
|
#define PIN_SPI_MOSI (0 + 25) // P0.25
|
|
#define PIN_SPI_SCK (0 + 28) // P0.28
|
|
|
|
#define LORA_MISO PIN_SPI_MISO
|
|
#define LORA_MOSI PIN_SPI_MOSI
|
|
#define LORA_SCK PIN_SPI_SCK
|
|
#define LORA_CS (0 + 29) // P0.29
|
|
|
|
// LORA MODULES
|
|
#define USE_SX1268 // E22-400M33S uses SX1268 (433MHz)
|
|
|
|
// E22-400M33S: 33dBm/2W module with ~25dB PA gain
|
|
// SX1268 outputs 2dBm -> PA -> 27dBm (~500mW), reduced PA current to avoid BOD reset
|
|
// 22dBm default would overdrive PA to ~47dBm, causing current spikes and system reset
|
|
#define SX126X_MAX_POWER 2
|
|
#define TX_GAIN_LORA 25
|
|
|
|
// PA ramp time: 3400us (default 200us), reduce transient current spikes during TX
|
|
#define SX126X_PA_RAMP_US 0x07
|
|
|
|
// SX126X CONFIG
|
|
#define SX126X_CS (0 + 29) // P0.29 FIXME - we really should define LORA_CS instead
|
|
#define SX126X_DIO1 (0 + 21) // P0.21 IRQ
|
|
#define SX126X_DIO2_AS_RF_SWITCH // Note for E22 modules: DIO2 is not attached internally to TXEN for automatic TX/RX switching,
|
|
// so it needs connecting externally if it is used in this way
|
|
#define SX126X_BUSY (0 + 22) // P0.22
|
|
#define SX126X_RESET (0 + 23) // P0.23
|
|
#define SX126X_TXEN RADIOLIB_NC // DIO2 controls TXEN directly; RXEN left floating (module default)
|
|
|
|
#define SX126X_DIO3_TCXO_VOLTAGE 1.8
|
|
#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
/*----------------------------------------------------------------------------
|
|
* Arduino objects - C++ only
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
#endif
|