mirror of https://github.com/meshcore-dev/MeshCore
Rastislav Vysoky
1 year ago
7 changed files with 369 additions and 0 deletions
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{ |
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"build": { |
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"arduino": { |
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"ldscript": "nrf52840_s140_v6.ld" |
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}, |
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"core": "nRF5", |
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"cpu": "cortex-m4", |
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"extra_flags": "-DARDUINO_NRF52840_PCA10056 -DNRF52840_XXAA", |
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"f_cpu": "64000000L", |
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"hwids": [ |
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[ |
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"0x239A", |
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"0x8029" |
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] |
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], |
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"usb_product": "NRF52 DK", |
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"mcu": "nrf52840", |
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"variant": "pca10056", |
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"bsp": { |
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"name": "adafruit" |
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}, |
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"softdevice": { |
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"sd_flags": "-DS140", |
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"sd_name": "s140", |
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"sd_version": "6.1.1", |
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"sd_fwid": "0x00B6" |
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}, |
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"bootloader": { |
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"settings_addr": "0xFF000" |
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} |
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}, |
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"connectivity": [ |
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"bluetooth" |
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], |
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"debug": { |
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"jlink_device": "nRF52840_xxAA", |
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"onboard_tools": [ |
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"jlink" |
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], |
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"svd_path": "nrf52840.svd" |
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}, |
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"frameworks": [ |
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"arduino" |
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], |
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"name": "LilyGo T-ECHO", |
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"upload": { |
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"maximum_ram_size": 248832, |
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"maximum_size": 815104, |
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"require_upload_port": true, |
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"speed": 115200, |
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"protocol": "jlink", |
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"protocols": [ |
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"jlink", |
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"nrfjprog", |
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"stlink", |
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"cmsis-dap", |
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"blackmagic" |
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] |
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}, |
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"url": "https://os.mbed.com/platforms/Nordic-nRF52840-DK/", |
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"vendor": "Nordic" |
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} |
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#include <Arduino.h> |
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#include "TechoBoard.h" |
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#include <bluefruit.h> |
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#include <Wire.h> |
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static BLEDfu bledfu; |
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static void connect_callback(uint16_t conn_handle) |
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{ |
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(void)conn_handle; |
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MESH_DEBUG_PRINTLN("BLE client connected"); |
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} |
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static void disconnect_callback(uint16_t conn_handle, uint8_t reason) |
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{ |
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(void)conn_handle; |
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(void)reason; |
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MESH_DEBUG_PRINTLN("BLE client disconnected"); |
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} |
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void TechoBoard::begin() { |
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// for future use, sub-classes SHOULD call this from their begin()
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startup_reason = BD_STARTUP_NORMAL; |
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pinMode(PIN_VBAT_READ, INPUT); |
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#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL) |
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Wire.begin(PIN_BOARD_SDA, PIN_BOARD_SCL); |
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#else |
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Wire.begin(); |
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#endif |
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pinMode(SX126X_POWER_EN, OUTPUT); |
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digitalWrite(SX126X_POWER_EN, HIGH); |
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delay(10); // give sx1262 some time to power up
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} |
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bool TechoBoard::startOTAUpdate() { |
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// Config the peripheral connection with maximum bandwidth
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// more SRAM required by SoftDevice
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// Note: All config***() function must be called before begin()
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Bluefruit.configPrphBandwidth(BANDWIDTH_MAX); |
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Bluefruit.configPrphConn(92, BLE_GAP_EVENT_LENGTH_MIN, 16, 16); |
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Bluefruit.begin(1, 0); |
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// Set max power. Accepted values are: -40, -30, -20, -16, -12, -8, -4, 0, 4
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Bluefruit.setTxPower(4); |
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// Set the BLE device name
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Bluefruit.setName("TECHO_OTA"); |
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Bluefruit.Periph.setConnectCallback(connect_callback); |
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Bluefruit.Periph.setDisconnectCallback(disconnect_callback); |
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// To be consistent OTA DFU should be added first if it exists
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bledfu.begin(); |
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// Set up and start advertising
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// Advertising packet
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Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE); |
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Bluefruit.Advertising.addTxPower(); |
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Bluefruit.Advertising.addName(); |
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/* Start Advertising
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- Enable auto advertising if disconnected |
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- Interval: fast mode = 20 ms, slow mode = 152.5 ms |
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- Timeout for fast mode is 30 seconds |
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- Start(timeout) with timeout = 0 will advertise forever (until connected) |
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For recommended advertising interval |
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https://developer.apple.com/library/content/qa/qa1931/_index.html
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*/ |
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Bluefruit.Advertising.restartOnDisconnect(true); |
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Bluefruit.Advertising.setInterval(32, 244); // in unit of 0.625 ms
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Bluefruit.Advertising.setFastTimeout(30); // number of seconds in fast mode
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Bluefruit.Advertising.start(0); // 0 = Don't stop advertising after n seconds
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return true; |
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} |
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@ -0,0 +1,53 @@ |
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#pragma once |
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#include <MeshCore.h> |
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#include <Arduino.h> |
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// LoRa radio module pins for LilyGo T-Echo
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#define P_LORA_DIO_1 20 |
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#define P_LORA_NSS 24 |
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#define P_LORA_RESET 25 |
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#define P_LORA_BUSY 17 |
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#define P_LORA_SCLK 19 |
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#define P_LORA_MISO 23 |
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#define P_LORA_MOSI 22 |
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#define SX126X_POWER_EN 37 |
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#define SX126X_DIO2_AS_RF_SWITCH true |
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8 |
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// built-ins
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#define PIN_VBAT_READ 4 |
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#define ADC_MULTIPLIER (2.0) |
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class TechoBoard : public mesh::MainBoard { |
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protected: |
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uint8_t startup_reason; |
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public: |
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void begin(); |
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uint8_t getStartupReason() const override { return startup_reason; } |
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#define BATTERY_SAMPLES 8 |
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uint16_t getBattMilliVolts() override { |
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analogReadResolution(12); |
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uint32_t raw = 0; |
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for (int i = 0; i < BATTERY_SAMPLES; i++) { |
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raw += analogRead(PIN_VBAT_READ); |
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} |
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raw = raw / BATTERY_SAMPLES; |
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return (ADC_MULTIPLIER * raw) / 4096; |
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} |
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const char* getManufacturerName() const override { |
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return "LilyGo T-Echo"; |
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} |
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void reboot() override { |
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NVIC_SystemReset(); |
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} |
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bool startOTAUpdate() override; |
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}; |
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@ -0,0 +1,22 @@ |
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#include "variant.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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0xff, 0xff, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, |
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14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, |
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27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, |
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40, 41, 42, 43, 44, 45, 46, 47 |
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}; |
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void initVariant() |
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{ |
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pinMode(LED_RED, OUTPUT); |
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ledOff(LED_RED); |
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pinMode(LED_GREEN, OUTPUT); |
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ledOff(LED_GREEN); |
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pinMode(LED_BLUE, OUTPUT); |
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ledOff(LED_BLUE); |
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} |
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@ -0,0 +1,102 @@ |
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/*
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* variant.h |
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* Copyright (C) 2023 Seeed K.K. |
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* MIT License |
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*/ |
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#pragma once |
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#include "WVariant.h" |
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////////////////////////////////////////////////////////////////////////////////
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// Low frequency clock source
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#define USE_LFXO // 32.768 kHz crystal oscillator
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#define VARIANT_MCK (64000000ul) |
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#define WIRE_INTERFACES_COUNT (1) |
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////////////////////////////////////////////////////////////////////////////////
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// Power
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#define PIN_PWR_EN (6) |
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#define BATTERY_PIN (4) |
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#define ADC_MULTIPLIER (4.90F) |
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#define ADC_RESOLUTION (14) |
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#define BATTERY_SENSE_RES (12) |
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#define AREF_VOLTAGE (3.0) |
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////////////////////////////////////////////////////////////////////////////////
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// Number of pins
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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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////////////////////////////////////////////////////////////////////////////////
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// UART pin definition
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#define PIN_SERIAL1_RX (41) // GPS TX
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#define PIN_SERIAL1_TX (40) // GPS RX
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////////////////////////////////////////////////////////////////////////////////
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// I2C pin definition
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#define PIN_WIRE_SDA (26) // P0.26
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#define PIN_WIRE_SCL (27) // P0.27
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////////////////////////////////////////////////////////////////////////////////
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// SPI pin definition
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#define SPI_INTERFACES_COUNT (2) |
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#define PIN_SPI_MISO (23) |
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#define PIN_SPI_MOSI (22) |
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#define PIN_SPI_SCK (19) |
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#define PIN_SPI_NSS (24) |
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////////////////////////////////////////////////////////////////////////////////
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// Builtin LEDs
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#define LED_RED (13) |
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#define LED_BLUE (14) |
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#define LED_GREEN (15) |
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#define LED_BUILTIN (15) |
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#define PIN_LED LED_BUILTIN |
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#define LED_PIN LED_BUILTIN |
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#define LED_STATE_ON LOW |
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#define PIN_NEOPIXEL (14) |
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#define NEOPIXEL_NUM (2) |
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////////////////////////////////////////////////////////////////////////////////
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// Builtin buttons
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#define PIN_BUTTON1 (42) |
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#define BUTTON_PIN PIN_BUTTON1 |
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#define PIN_BUTTON2 (18) |
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#define BUTTON_PIN2 PIN_BUTTON2 |
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#define EXTERNAL_FLASH_DEVICES MX25R1635F |
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#define EXTERNAL_FLASH_USE_QSPI |
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////////////////////////////////////////////////////////////////////////////////
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// Lora
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#define USE_SX1262 |
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#define LORA_CS (24) |
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#define SX126X_DIO1 (20) |
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#define SX126X_BUSY (17) |
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#define SX126X_RESET (25) |
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#define SX126X_DIO2_AS_RF_SWITCH |
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8 |
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#define PIN_SPI1_MISO (39) |
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#define PIN_SPI1_MOSI (29) |
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#define PIN_SPI1_SCK (31) |
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