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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
99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
#include <Arduino.h>
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#include "target.h"
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#include <helpers/sensors/MicroNMEALocationProvider.h>
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ThinkNodeM3Board 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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#ifdef ENV_INCLUDE_GPS
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MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
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EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
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#else
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EnvironmentSensorManager sensors = EnvironmentSensorManager();
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#endif
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#ifdef DISPLAY_CLASS
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NullDisplayDriver display;
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#endif
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#ifndef LORA_CR
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#define LORA_CR 5
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#endif
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#ifdef RF_SWITCH_TABLE
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static const uint32_t rfswitch_dios[Module::RFSWITCH_MAX_PINS] = {
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RADIOLIB_LR11X0_DIO5,
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RADIOLIB_LR11X0_DIO6,
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RADIOLIB_NC,
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RADIOLIB_NC,
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RADIOLIB_NC
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};
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static const Module::RfSwitchMode_t rfswitch_table[] = {
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// mode DIO5 DIO6
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{ LR11x0::MODE_STBY, {LOW , LOW }},
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{ LR11x0::MODE_RX, {HIGH, LOW }},
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{ LR11x0::MODE_TX, {HIGH, HIGH }},
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{ LR11x0::MODE_TX_HP, {LOW , HIGH }},
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{ LR11x0::MODE_TX_HF, {LOW , LOW }},
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{ LR11x0::MODE_GNSS, {LOW , LOW }},
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{ LR11x0::MODE_WIFI, {LOW , LOW }},
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END_OF_MODE_TABLE,
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};
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#endif
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bool radio_init() {
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rtc_clock.begin(Wire);
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#ifdef LR11X0_DIO3_TCXO_VOLTAGE
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float tcxo = LR11X0_DIO3_TCXO_VOLTAGE;
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#else
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float tcxo = 1.6f;
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#endif
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SPI.setPins(P_LORA_MISO, P_LORA_SCLK, P_LORA_MOSI);
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SPI.begin();
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int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_LR11X0_LORA_SYNC_WORD_PRIVATE, LORA_TX_POWER, 16, tcxo);
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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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radio.setCRC(2);
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radio.explicitHeader();
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#ifdef RF_SWITCH_TABLE
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radio.setRfSwitchTable(rfswitch_dios, rfswitch_table);
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#endif
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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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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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} |