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- MeshCore-based Simple Sensor firmware - Heltec T114 without display - BME280 sensor support (temp/humidity/pressure) - Radio: 868.856018 MHz, SF7, BW62.5 kHz, CR4/7 - 2-byte path hash - PlatformIO project
77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
#include <Arduino.h>
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#include "target.h"
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#include <helpers/ArduinoHelpers.h>
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RAK3x72Board board;
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RADIO_CLASS radio = new STM32WLx_Module();
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WRAPPER_CLASS radio_driver(radio, board);
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static const uint32_t rfswitch_pins[] = {LORAWAN_RFSWITCH_PINS, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
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static const Module::RfSwitchMode_t rfswitch_table[] = {
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{STM32WLx::MODE_IDLE, {LOW, LOW}},
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{STM32WLx::MODE_RX, {HIGH, LOW}},
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{STM32WLx::MODE_TX_LP, {LOW, HIGH}},
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{STM32WLx::MODE_TX_HP, {LOW, HIGH}},
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END_OF_MODE_TABLE,
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};
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VolatileRTCClock rtc_clock;
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SensorManager sensors;
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#ifndef LORA_CR
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#define LORA_CR 5
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#endif
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#ifndef STM32WL_TCXO_VOLTAGE
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// TCXO set to 0 for RAK3172
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#define STM32WL_TCXO_VOLTAGE 0
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#endif
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#ifndef LORA_TX_POWER
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#define LORA_TX_POWER 22
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#endif
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bool radio_init() {
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// rtc_clock.begin(Wire);
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radio.setRfSwitchTable(rfswitch_pins, rfswitch_table);
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int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 16, STM32WL_TCXO_VOLTAGE, 0);
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if (status != RADIOLIB_ERR_NONE) {
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Serial.print("ERROR: radio init failed: ");
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Serial.println(status);
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return false; // fail
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}
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#ifdef RX_BOOSTED_GAIN
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radio.setRxBoostedGainMode(RX_BOOSTED_GAIN);
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#endif
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radio.setCRC(1);
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return true; // success
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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(int8_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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