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oltacooltaco
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initial support: Keepteen LT1
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‎boards/keepteen_lt1.json‎

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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_FEATHER -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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"0x00B3"
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],
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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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"0x239A",
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"0x0029"
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],
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[
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"0x239A",
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"0x002A"
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],
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[
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"0x239A",
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"0x802A"
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]
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],
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"usb_product": "Keepteen LT1",
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"mcu": "nrf52840",
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"variant": "Keepteen LT1",
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"variants_dir": "variants",
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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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"svd_path": "nrf52840.svd",
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"openocd_target": "nrf52.cfg"
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},
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"frameworks": [
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"arduino",
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"zephyr"
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],
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"name": "Keepteen LT1",
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"upload": {
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"maximum_ram_size": 248832,
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"maximum_size": 815104,
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"speed": 115200,
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"protocol": "nrfutil",
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"protocols": [
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"jlink",
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"nrfjprog",
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"nrfutil",
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"stlink"
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],
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"use_1200bps_touch": true,
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"require_upload_port": true,
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"wait_for_upload_port": true
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},
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"url": "http://www.keepteen.com/",
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"vendor": "Keepteen"
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}

‎variants/keepteen_lt1/KeepteenLT1Board.cpp‎

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#include <Arduino.h>
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#include "KeepteenLT1Board.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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void KeepteenLT1Board::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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btn_prev_state = HIGH;
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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.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
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#endif
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Wire.begin();
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}
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static void connect_callback(uint16_t conn_handle) {
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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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(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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bool KeepteenLT1Board::startOTAUpdate(const char* id, char reply[]) {
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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("KeepteenLT1_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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strcpy(reply, "OK - started");
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return true;
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}

‎variants/keepteen_lt1/KeepteenLT1Board.h‎

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#pragma once
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#include <MeshCore.h>
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#include <Arduino.h>
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class KeepteenLT1Board : public mesh::MainBoard {
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protected:
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uint8_t startup_reason;
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uint8_t btn_prev_state;
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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);
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}
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const char* getManufacturerName() const override {
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return "Keepteen LT1";
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}
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#if defined(P_LORA_TX_LED)
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void onBeforeTransmit() override {
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digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED on
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}
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void onAfterTransmit() override {
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digitalWrite(P_LORA_TX_LED, LOW); // turn TX LED off
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}
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#endif
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void reboot() override {
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NVIC_SystemReset();
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}
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void powerOff() override {
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sd_power_system_off();
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}
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bool startOTAUpdate(const char* id, char reply[]) override;
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};

‎variants/keepteen_lt1/platformio.ini‎

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[KeepteenLT1]
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extends = nrf52_base
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board = keepteen_lt1
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build_flags = ${nrf52_base.build_flags}
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-I variants/keepteen_lt1
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-D KEEPTEEN_LT1
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-D RADIO_CLASS=CustomSX1262
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-D WRAPPER_CLASS=CustomSX1262Wrapper
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-D LORA_TX_POWER=22
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-D SX126X_CURRENT_LIMIT=140
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-D SX126X_RX_BOOSTED_GAIN=1
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-D PIN_BOARD_SDA=34
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-D PIN_BOARD_SCL=36
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-D ENV_INCLUDE_GPS=1
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build_src_filter = ${nrf52_base.build_src_filter}
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+<helpers/sensors>
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+<../variants/keepteen_lt1>
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lib_deps= ${nrf52_base.lib_deps}
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adafruit/Adafruit SSD1306 @ ^2.5.13
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stevemarple/MicroNMEA @ ^2.0.6
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[env:KeepteenLT1_repeater]
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extends = KeepteenLT1
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build_src_filter = ${KeepteenLT1.build_src_filter}
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+<../examples/simple_repeater>
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+<helpers/ui/SSD1306Display.cpp>
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+<helpers/ui/MomentaryButton.cpp>
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build_flags =
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${KeepteenLT1.build_flags}
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-D ADVERT_NAME='"KeepteenLT1 Repeater"'
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-D ADVERT_LAT=0.0
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-D ADVERT_LON=0.0
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-D ADMIN_PASSWORD='"password"'
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-D MAX_NEIGHBOURS=50
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-D DISPLAY_CLASS=SSD1306Display
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; -D MESH_PACKET_LOGGING=1
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; -D MESH_DEBUG=1
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lib_deps = ${KeepteenLT1.lib_deps}
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adafruit/RTClib @ ^2.1.3
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[env:KeepteenLT1_room_server]
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extends = KeepteenLT1
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build_src_filter = ${KeepteenLT1.build_src_filter}
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+<../examples/simple_room_server>
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+<helpers/ui/SSD1306Display.cpp>
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+<helpers/ui/MomentaryButton.cpp>
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build_flags = ${KeepteenLT1.build_flags}
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-D ADVERT_NAME='"KeepteenLT1 Room"'
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-D ADVERT_LAT=0.0
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-D ADVERT_LON=0.0
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-D ADMIN_PASSWORD='"password"'
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-D ROOM_PASSWORD='"hello"'
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-D DISPLAY_CLASS=SSD1306Display
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; -D MESH_PACKET_LOGGING=1
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; -D MESH_DEBUG=1
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lib_deps = ${KeepteenLT1.lib_deps}
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adafruit/RTClib @ ^2.1.3
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[env:KeepteenLT1_terminal_chat]
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extends = KeepteenLT1
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build_flags = ${KeepteenLT1.build_flags}
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-D MAX_CONTACTS=100
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-D MAX_GROUP_CHANNELS=1
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; -D MESH_PACKET_LOGGING=1
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; -D MESH_DEBUG=1
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build_src_filter = ${KeepteenLT1.build_src_filter}
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+<../examples/simple_secure_chat/main.cpp>
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lib_deps = ${KeepteenLT1.lib_deps}
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densaugeo/base64 @ ~1.4.0
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adafruit/RTClib @ ^2.1.3
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[env:KeepteenLT1_companion_radio_usb]
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extends = KeepteenLT1
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board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
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board_upload.maximum_size = 712704
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build_flags = ${KeepteenLT1.build_flags}
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-I examples/companion_radio/ui-new
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-D MAX_CONTACTS=350
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-D MAX_GROUP_CHANNELS=40
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-D DISPLAY_CLASS=SSD1306Display
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; NOTE: DO NOT ENABLE --> -D MESH_PACKET_LOGGING=1
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; NOTE: DO NOT ENABLE --> -D MESH_DEBUG=1
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build_src_filter = ${KeepteenLT1.build_src_filter}
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+<helpers/ui/SSD1306Display.cpp>
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+<helpers/ui/MomentaryButton.cpp>
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+<../examples/companion_radio/*.cpp>
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+<../examples/companion_radio/ui-new/*.cpp>
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lib_deps = ${KeepteenLT1.lib_deps}
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adafruit/RTClib @ ^2.1.3
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densaugeo/base64 @ ~1.4.0
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[env:KeepteenLT1_companion_radio_ble]
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extends = KeepteenLT1
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board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
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board_upload.maximum_size = 712704
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build_flags = ${KeepteenLT1.build_flags}
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-I examples/companion_radio/ui-new
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-D MAX_CONTACTS=350
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-D MAX_GROUP_CHANNELS=40
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-D BLE_PIN_CODE=123456
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-D BLE_DEBUG_LOGGING=1
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-D OFFLINE_QUEUE_SIZE=256
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-D DISPLAY_CLASS=SSD1306Display
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; -D MESH_PACKET_LOGGING=1
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-D MESH_DEBUG=1
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build_src_filter = ${KeepteenLT1.build_src_filter}
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+<helpers/nrf52/SerialBLEInterface.cpp>
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+<helpers/ui/SSD1306Display.cpp>
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+<helpers/ui/MomentaryButton.cpp>
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+<../examples/companion_radio/*.cpp>
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+<../examples/companion_radio/ui-new/*.cpp>
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lib_deps = ${KeepteenLT1.lib_deps}
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adafruit/RTClib @ ^2.1.3
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densaugeo/base64 @ ~1.4.0
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; [env:KeepteenLT1_sensor]
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; extends = KeepteenLT1
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; build_flags =
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; ${KeepteenLT1.build_flags}
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; -D ADVERT_NAME='"KeepteenLT1 Sensor"'
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; -D ADVERT_LAT=0.0
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; -D ADVERT_LON=0.0
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; -D ADMIN_PASSWORD='"password"'
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; -D DISPLAY_CLASS=SSD1306Display
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; ; -D MESH_PACKET_LOGGING=1
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; ; -D MESH_DEBUG=1
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; build_src_filter = ${KeepteenLT1.build_src_filter}
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; +<helpers/ui/SSD1306Display.cpp>
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; +<helpers/ui/MomentaryButton.cpp>
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; +<../examples/simple_sensor>
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; lib_deps =
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; ${KeepteenLT1.lib_deps}

‎variants/keepteen_lt1/target.cpp‎

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#include <Arduino.h>
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#include "target.h"
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#include <helpers/ArduinoHelpers.h>
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KeepteenLT1Board board;
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RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);
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WRAPPER_CLASS radio_driver(radio, board);
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VolatileRTCClock fallback_clock;
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AutoDiscoverRTCClock rtc_clock(fallback_clock);
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#if ENV_INCLUDE_GPS
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#include <helpers/sensors/MicroNMEALocationProvider.h>
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MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1);
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EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
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#else
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EnvironmentSensorManager sensors;
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#endif
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#ifdef DISPLAY_CLASS
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DISPLAY_CLASS display;
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MomentaryButton user_btn(PIN_USER_BTN, 1000, true, true);
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#endif
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bool radio_init() {
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rtc_clock.begin(Wire);
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return radio.std_init(&SPI);
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}
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uint32_t radio_get_rng_seed() {
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return radio.random(0x7FFFFFFF);
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}
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void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr) {
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radio.setFrequency(freq);
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radio.setSpreadingFactor(sf);
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radio.setBandwidth(bw);
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radio.setCodingRate(cr);
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}
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void radio_set_tx_power(uint8_t dbm) {
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radio.setOutputPower(dbm);
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}
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mesh::LocalIdentity radio_new_identity() {
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RadioNoiseListener rng(radio);
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return mesh::LocalIdentity(&rng); // create new random identity
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}
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