增加moonshine NRF NODE
This commit is contained in:
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; Moonshine NRF52 node - DIY variant based on RF-BM-ND05 nRF52840 module
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[env:moonshine_NRF52_node]
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extends = nrf52840_base
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board = adafruit_feather_nrf52840
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build_flags = ${nrf52840_base.build_flags}
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-I variants/nrf52840/diy/moonshine_NRF52
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-D PRIVATE_HW
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build_src_filter = ${nrf52_base.build_src_filter} +<../variants/nrf52840/diy/moonshine_NRF52>
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debug_tool = jlink
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# Moonshine NRF52
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DIY Meshtastic node variant based on the RF-BM-ND05 nRF52840 module.
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## Hardware
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- **MCU module**: RF-BM-ND05 (nRF52840, 512 KB flash / 128 KB RAM)
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- **LF clock**: 32.768 kHz crystal (`USE_LFXO`)
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- **LoRa**: multi-module compatible (SX1262 / SX1268 / RF95 / LLCC68 / LR1121 / LR2021) with TCXO
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- **GPS**: u-blox (no EN pin)
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- **Battery ADC**: 0.5 voltage divider (equal resistors)
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## Pin map
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| Function | Pin | Notes |
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| ------------- | ----- | -------------------------------------- |
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| LED | P0.30 | Active high (`LED_STATE_ON = 1`) |
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| BUTTON | P0.27 | User button |
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| BUZZER | P0.26 | PWM buzzer |
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| BATTERY_ADC | P0.05 | 0.5 divider |
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| IIC_SDA | P0.09 | |
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| IIC_SCL | P0.10 | |
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| SPI_MISO | P0.24 | |
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| SPI_MOSI | P0.25 | |
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| SPI_SCK | P0.28 | |
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| LORA_CS | P0.29 | |
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| LORA_DIO1 | P0.21 | IRQ |
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| LORA_BUSY | P0.22 | |
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| LORA_RESET | P0.23 | |
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| LORA_RXEN | P0.11 | TXEN tied to DIO2 internally |
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| GPS_RX (MCU) | P0.07 | Data from GNSS to MCU |
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| GPS_TX (MCU) | P0.08 | Data from MCU to GNSS |
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| UART_TX | P0.14 | Serial2 |
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| UART_RX | P0.15 | Serial2 |
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| UART_RTS | P0.12 | Serial2 flow control |
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| UART_CTS | P0.13 | Serial2 flow control |
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Silkscreen GPS_TX/GPS_RX labels are from the GPS module perspective; Meshtastic
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macros (`GPS_TX_PIN` / `GPS_RX_PIN`) are from the MCU perspective, so they are
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swapped relative to the silkscreen.
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## Build
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```sh
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pio run -e moonshine_NRF52_node
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```
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Uses `PRIVATE_HW` (HardwareModel 255) - no protobuf or `architecture.h` changes
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required. Flash via SWD (`debug_tool = jlink`).
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@@ -0,0 +1,52 @@
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#pragma once
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#include "RadioLib.h"
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// Keep LR20x0 naming while RadioLib exposes LR2021 symbols.
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#ifndef LR20x0
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#define LR20x0 LR2021
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#endif
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// RF switch matrix for LR1121 following the standard Semtech reference topology.
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// DIO5 -> antenna path select
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// DIO6 -> TX enable / HP PA select
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// DIO7 -> GNSS / WiFi select (if supported by the module)
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#ifdef USE_LR1121
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static const uint32_t rfswitch_dio_pins[] = {RADIOLIB_LR11X0_DIO5, RADIOLIB_LR11X0_DIO6, RADIOLIB_LR11X0_DIO7, RADIOLIB_NC,
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RADIOLIB_NC};
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static const Module::RfSwitchMode_t rfswitch_table[] = {
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// clang-format off
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// mode DIO5 DIO6 DIO7
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{LR11x0::MODE_STBY, {LOW, LOW, LOW}},
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{LR11x0::MODE_RX, {HIGH, LOW, LOW}},
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{LR11x0::MODE_TX, {HIGH, HIGH, LOW}},
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{LR11x0::MODE_TX_HP, {LOW, HIGH, LOW}},
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{LR11x0::MODE_TX_HF, {LOW, LOW, LOW}},
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{LR11x0::MODE_GNSS, {LOW, LOW, HIGH}},
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{LR11x0::MODE_WIFI, {LOW, LOW, LOW}},
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END_OF_MODE_TABLE,
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// clang-format on
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};
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#endif
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// LR2021 RF switch matrix following the standard Semtech / Seeed T1000-E reference topology.
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// DIO5 -> antenna path select (HIGH = sub-GHz LF)
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// DIO6 -> TX enable / HP PA select
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// DIO7 -> not connected (no GNSS on LR2021)
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// DIO8 -> RF front-end power enable
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#ifdef USE_LR2021
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static const uint32_t lr20x0_rfswitch_dio_pins[] = {RADIOLIB_LR2021_DIO5, RADIOLIB_LR2021_DIO6, RADIOLIB_LR2021_DIO7,
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RADIOLIB_LR2021_DIO8, RADIOLIB_NC};
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static const Module::RfSwitchMode_t lr20x0_rfswitch_table[] = {
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// clang-format off
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// mode DIO5 DIO6 DIO7 DIO8
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{LR20x0::MODE_STBY, {LOW, LOW, LOW, LOW}},
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{LR20x0::MODE_RX, {HIGH, LOW, LOW, HIGH}},
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{LR20x0::MODE_TX, {HIGH, HIGH, LOW, HIGH}},
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{LR20x0::MODE_RX_HF, {LOW, LOW, LOW, LOW}},
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{LR20x0::MODE_TX_HF, {LOW, LOW, LOW, LOW}},
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END_OF_MODE_TABLE,
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// clang-format on
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};
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#endif
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@@ -0,0 +1,43 @@
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/*
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Copyright (c) 2014-2015 Arduino LLC. All right reserved.
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Copyright (c) 2016 Sandeep Mistry All right reserved.
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Copyright (c) 2018, Adafruit Industries (adafruit.com)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "variant.h"
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#include "nrf.h"
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#include "wiring_constants.h"
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#include "wiring_digital.h"
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const uint32_t g_ADigitalPinMap[] = {
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// P0
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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// P1
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
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void initVariant()
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{
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// No dedicated 3V3 enable pin on this board
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}
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void variant_shutdown()
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{
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nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP); // Enable internal pull-up on the button pin
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nrf_gpio_pin_sense_t sense = NRF_GPIO_PIN_SENSE_LOW; // Configure SENSE signal on low edge
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nrf_gpio_cfg_sense_set(BUTTON_PIN, sense); // Apply SENSE to wake up the device from the deep sleep
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}
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@@ -0,0 +1,171 @@
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#ifndef _VARIANT_MOONSHINE_NRF52_
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#define _VARIANT_MOONSHINE_NRF52_
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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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/*----------------------------------------------------------------------------
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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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MOONSHINE NRF52 PIN ASSIGNMENT (RF-BM-ND05)
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| Pin | Function | | Pin | Function |
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| ----- | ----------- | ------ | ----- | ----------- |
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| P0.05 | VBAT_ADC | | P0.21 | LORA_DIO1 |
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| P0.07 | GPS_RX(MCU) | | P0.22 | LORA_BUSY |
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| P0.08 | GPS_TX(MCU) | | P0.23 | LORA_RESET |
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| P0.09 | IIC_SDA | | P0.24 | SPI_MISO |
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| P0.10 | IIC_SCL | | P0.25 | SPI_MOSI |
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| P0.11 | LORA_RXEN | | P0.26 | BUZZER |
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| P0.12 | UART_RTS | | P0.27 | BUTTON |
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| P0.13 | UART_CTS | | P0.28 | SPI_SCK |
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| P0.14 | UART_TX | | P0.29 | LORA_CS |
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| P0.15 | UART_RX | | P0.30 | LED |
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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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// No dedicated 3V3 enable pin on this board
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#define PIN_3V3_EN (-1)
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// Analog pins
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#define BATTERY_PIN (0 + 5) // P0.05 Battery ADC
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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 => equal resistors divider = 0.5
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#define VBAT_DIVIDER (0.5F)
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// Compensation factor for the VBAT divider
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#define VBAT_DIVIDER_COMP (2.0F)
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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 (0 + 9) // P0.09
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#define PIN_WIRE_SCL (0 + 10) // P0.10
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// LED
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#define PIN_LED1 (0 + 30) // P0.30
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#define LED_BLUE PIN_LED1
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#define LED_STATE_ON 1 // State when LED is lit (active high)
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// Buzzer
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#define PIN_BUZZER (0 + 26) // P0.26
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// Button
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#define BUTTON_PIN (0 + 27) // P0.27
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// GPS (silkscreen is from GPS module perspective; Meshtastic macros are from MCU perspective)
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#define GPS_RX_PIN (0 + 7) // P0.07 - data from GNSS to MCU
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#define GPS_TX_PIN (0 + 8) // P0.08 - data from MCU to GNSS
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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_TX GPS_TX_PIN
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#define PIN_SERIAL1_RX GPS_RX_PIN
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// Serial2 (with hardware flow control: P0.12=RTS, P0.13=CTS)
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#define PIN_SERIAL2_RX (0 + 15) // P0.15
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#define PIN_SERIAL2_TX (0 + 14) // P0.14
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// Serial interfaces
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#define SPI_INTERFACES_COUNT 1
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#define PIN_SPI_MISO (0 + 24) // P0.24
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#define PIN_SPI_MOSI (0 + 25) // P0.25
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#define PIN_SPI_SCK (0 + 28) // P0.28
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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 (0 + 29) // P0.29
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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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#define USE_LR2021
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// RF95 CONFIG
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#define LORA_DIO0 (0 + 22) // P0.22 BUSY
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#define LORA_DIO1 (0 + 21) // P0.21 IRQ
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#define LORA_RESET (0 + 23) // P0.23 NRST
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// RX/TX for RFM95/SX127x
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#define RF95_RXEN (0 + 11) // P0.11
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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 (0 + 29) // P0.29 FIXME - we really should define LORA_CS instead
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#define SX126X_DIO1 (0 + 21) // P0.21 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 + 22) // P0.22
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#define SX126X_RESET (0 + 23) // P0.23
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#define SX126X_RXEN (0 + 11) // P0.11
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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 + 21) // P0.21 IRQ
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#define LR1121_NRESET_PIN LORA_RESET // P0.23 NRST
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#define LR1121_BUSY_PIN (0 + 22) // P0.22 BUSY
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#define LR1121_SPI_NSS_PIN LORA_CS // P0.29
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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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// LR2021
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#ifdef USE_LR2021
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#define LR2021_IRQ_PIN (0 + 21) // P0.21 IRQ
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#define LR2021_NRESET_PIN LORA_RESET // P0.23 NRST
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#define LR2021_BUSY_PIN (0 + 22) // P0.22 BUSY
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#define LR2021_SPI_NSS_PIN LORA_CS // P0.29
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#define LR2021_DIO3_TCXO_VOLTAGE 1.8
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#define LR2021_DIO_AS_RF_SWITCH
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#define LR2021_IRQ_DIO_NUM 9 // DIO9 -> P0.21
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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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#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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#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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