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203 lines
7.7 KiB
C
203 lines
7.7 KiB
C
#ifndef _VARIANT_PROMICRO_DIY_
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#define _VARIANT_PROMICRO_DIY_
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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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#define USE_LFRC // Board uses RC for LF
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#define PROMICRO_DIY_TCXO
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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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/*
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NRF52 PRO MICRO PIN ASSIGNMENT
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| Pin | Function | | Pin | Function | RF95 |
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| ----- | ----------- | --- | -------- | ------------ | ----- |
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| Gnd | | | vbat | | |
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| P0.06 | Serial2 RX | | vbat | | |
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| P0.08 | Serial2 TX | | Gnd | | |
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| Gnd | | | reset | | |
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| Gnd | | | ext_vcc | *see 0.13 | |
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| P0.17 | RXEN | | P0.31 | BATTERY_PIN | |
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| P0.20 | GPS_RX | | P0.29 | BUSY | DIO0 |
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| P0.22 | GPS_TX | | P0.02 | MISO | MISO |
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| P0.24 | GPS_EN | | P1.15 | MOSI | MOSI |
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| P1.00 | BUTTON_PIN | | P1.13 | CS | CS |
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| P0.11 | SCL | | P1.11 | SCK | SCK |
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| P1.04 | SDA | | P0.10 | DIO1/IRQ | DIO1 |
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| P1.06 | Free pin | | P0.09 | RESET | RST |
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| | | | | | |
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| | Mid board | | | Internal | |
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| P1.01 | Free pin | | 0.15 | LED | |
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| P1.02 | Free pin | | 0.13 | 3V3_EN | |
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| P1.07 | Free pin | | | | |
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*/
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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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// Pin 13 enables 3.3V periphery. If the Lora module is on this pin, then it should stay enabled at all times.
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#define PIN_3V3_EN (0 + 13) // P0.13
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// Analog pins
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#define BATTERY_PIN (0 + 31) // P0.31 Battery ADC
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#define ADC_CHANNEL ADC1_GPIO4_CHANNEL
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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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// Definition of milliVolt per LSB => 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
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#define VBAT_MV_PER_LSB (0.73242188F)
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// Voltage divider value => 1.5M + 1M voltage divider on VBAT = (1.5M / (1M + 1.5M))
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#define VBAT_DIVIDER (0.6F)
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// Compensation factor for the VBAT divider
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#define VBAT_DIVIDER_COMP (1.73)
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// Fixed calculation of milliVolt from compensation value
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#define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
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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 VBAT_DIVIDER_COMP // REAL_VBAT_MV_PER_LSB
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#define VBAT_RAW_TO_SCALED(x) (REAL_VBAT_MV_PER_LSB * x)
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// WIRE IC AND IIC PINS
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#define WIRE_INTERFACES_COUNT 1
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#define PIN_WIRE_SDA (32 + 4) // P1.04
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#define PIN_WIRE_SCL (0 + 11) // P0.11
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// LED
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#define PIN_LED1 (0 + 15) // P0.15
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#define LED_BUILTIN PIN_LED1
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// Actually red
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#define LED_BLUE PIN_LED1
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#define LED_STATE_ON 1 // State when LED is lit
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// Button
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#define BUTTON_PIN (32 + 0) // P1.00
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// GPS
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#define PIN_GPS_TX (0 + 22) // P0.22
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#define PIN_GPS_RX (0 + 20) // P0.20
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#define PIN_GPS_EN (0 + 24) // P0.24
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#define GPS_POWER_TOGGLE
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#define GPS_UBLOX
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// define GPS_DEBUG
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// UART interfaces
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#define PIN_SERIAL1_RX PIN_GPS_TX
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#define PIN_SERIAL1_TX PIN_GPS_RX
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#define PIN_SERIAL2_RX (0 + 6) // P0.06
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#define PIN_SERIAL2_TX (0 + 8) // P0.08
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// Serial interfaces
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#define SPI_INTERFACES_COUNT 1
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#define PIN_SPI_MISO (0 + 2) // P0.02
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#define PIN_SPI_MOSI (32 + 15) // P1.15
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#define PIN_SPI_SCK (32 + 11) // P1.11
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#define LORA_MISO PIN_SPI_MISO
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#define LORA_MOSI PIN_SPI_MOSI
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#define LORA_SCK PIN_SPI_SCK
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#define LORA_CS (32 + 13) // P1.13
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// LORA MODULES
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#define USE_LLCC68
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#define USE_SX1262
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#define USE_RF95
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#define USE_SX1268
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#define USE_LR1121
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// RF95 CONFIG
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#define LORA_DIO0 (0 + 29) // P0.29 BUSY
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#define LORA_DIO1 (0 + 10) // P0.10 IRQ
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#define LORA_RESET (0 + 9) // P0.09 NRST
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// RX/TX for RFM95/SX127x
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#define RF95_RXEN (0 + 17) // P0.17
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#define RF95_TXEN RADIOLIB_NC // Assuming that DIO2 is connected to TXEN pin. If not, TXEN must be connected.
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// SX126X CONFIG
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#define SX126X_CS (32 + 13) // P1.13 FIXME - we really should define LORA_CS instead
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#define SX126X_DIO1 (0 + 10) // P0.10 IRQ
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#define SX126X_DIO2_AS_RF_SWITCH // Note for E22 modules: DIO2 is not attached internally to TXEN for automatic TX/RX switching,
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// so it needs connecting externally if it is used in this way
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#define SX126X_BUSY (0 + 29) // P0.29
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#define SX126X_RESET (0 + 9) // P0.09
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#define SX126X_RXEN (0 + 17) // P0.17
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#define SX126X_TXEN RADIOLIB_NC // Assuming that DIO2 is connected to TXEN pin. If not, TXEN must be connected.
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// LR1121
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#ifdef USE_LR1121
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#define LR1121_IRQ_PIN (0 + 10) // P0.10 IRQ
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#define LR1121_NRESET_PIN LORA_RESET // P0.09 NRST
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#define LR1121_BUSY_PIN (0 + 29) // P0.29 BUSY
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#define LR1121_SPI_NSS_PIN LORA_CS // P1.13
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#define LR1121_SPI_SCK_PIN LORA_SCK
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#define LR1121_SPI_MOSI_PIN LORA_MOSI
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#define LR1121_SPI_MISO_PIN LORA_MISO
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#define LR11X0_DIO3_TCXO_VOLTAGE 1.8
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#define LR11X0_DIO_AS_RF_SWITCH
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#endif
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// #define SX126X_MAX_POWER 8 set this if using a high-power board!
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/*
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On the SX1262, DIO3 sets the voltage for an external TCXO, if one is present. If one is not present, use TCXO_OPTIONAL to try both
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settings.
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| Mfr | Module | TCXO | RF Switch | Notes |
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| ------------ | ---------------- | ---- | --------- | ------------------------------------- |
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| Ebyte | E22-900M22S | Yes | Ext | |
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| Ebyte | E22-900MM22S | No | Ext | |
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| Ebyte | E22-900M30S | Yes | Ext | |
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| Ebyte | E22-900M33S | Yes | Ext | MAX_POWER must be set to 8 for this |
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| Ebyte | E220-900M22S | No | Ext | LLCC68, looks like DIO3 not connected |
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| AI-Thinker | RA-01SH | No | Int | SX1262 |
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| Heltec | HT-RA62 | Yes | Int | |
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| NiceRF | Lora1262 | yes | Int | |
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| Waveshare | Core1262-HF | yes | Ext | |
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| Waveshare | LoRa Node Module | yes | Int | |
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| Seeed | Wio-SX1262 | yes | Ext | Cute! DIO2/TXEN are not exposed |
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| AI-Thinker | RA-02 | No | Int | SX1278 **433mhz band only** |
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| RF Solutions | RFM95 | No | Int | Untested |
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| Ebyte | E80-900M2213S | Yes | Int | LR1121 radio |
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*/
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL
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// E-Ink DIY
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#define PIN_EINK_CS (32 + 7)
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#define PIN_EINK_DC (32 + 2)
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#define PIN_EINK_RES (32 + 1)
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#define PIN_EINK_BUSY (32 + 6)
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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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