mirror of
https://github.com/meshtastic/firmware.git
synced 2025-10-29 23:54:41 +00:00
154 lines
4.8 KiB
C
154 lines
4.8 KiB
C
#ifndef _VARIANT_PROMICRO_DIY_
|
|
#define _VARIANT_PROMICRO_DIY_
|
|
|
|
/** Master clock frequency */
|
|
#define VARIANT_MCK (64000000ul)
|
|
|
|
// #define USE_LFXO // Board uses 32khz crystal for LF
|
|
#define USE_LFRC // Board uses RC for LF
|
|
|
|
#define PROMICRO_DIY_XTAL
|
|
/*----------------------------------------------------------------------------
|
|
* Headers
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
#include "WVariant.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif // __cplusplus
|
|
|
|
/*
|
|
NRF52 PRO MICRO PIN ASSIGNMENT
|
|
|
|
| Pin | Function | | Pin | Function |
|
|
|-------|------------|---|---------|-------------|
|
|
| Gnd | | | vbat | |
|
|
| P0.06 | Serial2 RX | | vbat | |
|
|
| P0.08 | Serial2 TX | | Gnd | |
|
|
| Gnd | | | reset | |
|
|
| Gnd | | | ext_vcc | *see 0.13 |
|
|
| P0.17 | RXEN | | P0.31 | BATTERY_PIN |
|
|
| P0.20 | GPS_RX | | P0.29 | BUSY |
|
|
| P0.22 | GPS_TX | | P0.02 | MISO |
|
|
| P0.24 | GPS_EN | | P1.15 | MOSI |
|
|
| P1.00 | BUTTON_PIN | | P1.13 | CS |
|
|
| P0.11 | SCL | | P1.11 | SCK |
|
|
| P1.04 | SDA | | P0.10 | DIO1/IRQ |
|
|
| P1.06 | Free pin | | P0.09 | RESET |
|
|
| | | | | |
|
|
| | Mid board | | | Internal |
|
|
| P1.01 | Free pin | | 0.15 | LED |
|
|
| P1.02 | Free pin | | 0.13 | 3V3_EN |
|
|
| P1.07 | Free pin | | | |
|
|
*/
|
|
|
|
// 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)
|
|
|
|
// Pin 13 enables 3.3V periphery. If the Lora module is on this pin, then it should stay enabled at all times.
|
|
#define PIN_3V3_EN (0 + 13) // P0.13
|
|
|
|
// Analog pins
|
|
#define BATTERY_PIN (0 + 31) // P0.31 Battery ADC
|
|
#define ADC_CHANNEL ADC1_GPIO4_CHANNEL
|
|
#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 => 1.5M + 1M voltage divider on VBAT = (1.5M / (1M + 1.5M))
|
|
#define VBAT_DIVIDER (0.6F)
|
|
// Compensation factor for the VBAT divider
|
|
#define VBAT_DIVIDER_COMP (1.73)
|
|
// 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 (32 + 4) // P1.04
|
|
#define PIN_WIRE_SCL (0 + 11) // P0.11
|
|
|
|
// LED
|
|
#define PIN_LED1 (0 + 15) // P0.15
|
|
#define LED_BUILTIN PIN_LED1
|
|
// Actually red
|
|
#define LED_BLUE PIN_LED1
|
|
#define LED_STATE_ON 1 // State when LED is lit
|
|
|
|
// Button
|
|
#define BUTTON_PIN (32 + 0) // P1.00
|
|
|
|
// GPS
|
|
#define PIN_GPS_TX (0 + 22) // P0.22
|
|
#define PIN_GPS_RX (0 + 20) // P0.20
|
|
|
|
#define PIN_GPS_EN (0 + 24) // P0.24
|
|
#define GPS_UBLOX
|
|
// define GPS_DEBUG
|
|
|
|
// UART interfaces
|
|
#define PIN_SERIAL1_RX PIN_GPS_TX
|
|
#define PIN_SERIAL1_TX PIN_GPS_RX
|
|
|
|
#define PIN_SERIAL2_RX (0 + 6) // P0.06
|
|
#define PIN_SERIAL2_TX (0 + 8) // P0.08
|
|
|
|
// Serial interfaces
|
|
#define SPI_INTERFACES_COUNT 1
|
|
|
|
#define PIN_SPI_MISO (0 + 2) // P0.02
|
|
#define PIN_SPI_MOSI (32 + 15) // P1.15
|
|
#define PIN_SPI_SCK (32 + 11) // P1.11
|
|
|
|
// LORA MODULES
|
|
#define USE_LLCC68
|
|
#define USE_SX1262
|
|
// #define USE_RF95
|
|
#define USE_SX1268
|
|
|
|
// LORA CONFIG
|
|
#define SX126X_CS (32 + 13) // P1.13 FIXME - we really should define LORA_CS instead
|
|
#define SX126X_DIO1 (0 + 10) // P0.10 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 + 29) // P0.29
|
|
#define SX126X_RESET (0 + 9) // P0.09
|
|
#define SX126X_RXEN (0 + 17) // P0.17
|
|
#define SX126X_TXEN RADIOLIB_NC // Assuming that DIO2 is connected to TXEN pin. If not, TXEN must be connected.
|
|
|
|
/*
|
|
On the SX1262, DIO3 sets the voltage for an external TCXO, if one is present. If one is not present, then this should not be used.
|
|
|
|
Ebyte
|
|
e22-900mm22s has no TCXO
|
|
e22-900m22s has TCXO
|
|
e220-900mm22s has no TCXO, works with/without this definition, looks like DIO3 not connected at all
|
|
|
|
AI-thinker
|
|
RA-01SH does not have TCXO
|
|
|
|
Waveshare
|
|
Core1262 has TCXO
|
|
|
|
*/
|
|
// #define SX126X_DIO3_TCXO_VOLTAGE 1.8
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
/*----------------------------------------------------------------------------
|
|
* Arduino objects - C++ only
|
|
*----------------------------------------------------------------------------*/
|
|
|
|
#endif |