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91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
#include <Arduino.h>
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#include "variant.h"
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#include "target.h"
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TDeckBoard board;
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#if defined(P_LORA_SCLK)
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static SPIClass loraSpi(HSPI);
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RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, loraSpi);
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#else
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RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY);
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#endif
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WRAPPER_CLASS radio_driver(radio, board);
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ESP32RTCClock fallback_clock;
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AutoDiscoverRTCClock rtc_clock(fallback_clock);
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#if HAS_GPS
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// Wrap Serial2 with a sentence counter so the UI can show NMEA throughput.
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// MicroNMEALocationProvider reads through this wrapper transparently.
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GPSStreamCounter gpsStream(Serial2);
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MicroNMEALocationProvider gps(gpsStream, &rtc_clock);
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EnvironmentSensorManager sensors(gps);
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#else
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SensorManager 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);
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#endif
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bool radio_init() {
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MESH_DEBUG_PRINTLN("radio_init() - starting");
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// NOTE: board.begin() is called by main.cpp setup() before radio_init()
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// I2C is already initialized there with correct pins
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fallback_clock.begin();
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MESH_DEBUG_PRINTLN("radio_init() - fallback_clock started");
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// Wire already initialized in board.begin() - just use it for RTC
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rtc_clock.begin(Wire);
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MESH_DEBUG_PRINTLN("radio_init() - rtc_clock started");
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#if defined(P_LORA_SCLK)
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MESH_DEBUG_PRINTLN("radio_init() - initializing LoRa SPI...");
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loraSpi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI, P_LORA_NSS);
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MESH_DEBUG_PRINTLN("radio_init() - SPI initialized, calling radio.std_init()...");
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bool result = radio.std_init(&loraSpi);
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MESH_DEBUG_PRINTLN("radio_init() - radio.std_init() returned: %s", result ? "SUCCESS" : "FAILED");
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return result;
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#else
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MESH_DEBUG_PRINTLN("radio_init() - calling radio.std_init() without custom SPI...");
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bool result = radio.std_init();
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return result;
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#endif
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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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// Longer preamble for low SF improves reliability — each symbol is shorter
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// at low SF, so more symbols are needed for reliable detection.
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// SF <= 8 gets 32 symbols (~65ms at SF7/62.5kHz); SF >= 9 keeps 16 (already ~131ms+).
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// See: https://github.com/meshcore-dev/MeshCore/pull/1954
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uint16_t preamble = (sf <= 8) ? 32 : 16;
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radio.setPreambleLength(preamble);
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MESH_DEBUG_PRINTLN("radio_set_params() - bw=%.1f sf=%u preamble=%u", bw, sf, preamble);
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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);
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}
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void radio_reset_agc() {
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radio.setRxBoostedGainMode(true);
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} |