mirror of
https://github.com/meshcore-dev/MeshCore.git
synced 2026-04-20 22:13:47 +00:00
87 lines
No EOL
2.5 KiB
C++
87 lines
No EOL
2.5 KiB
C++
#pragma once
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#include <RadioLib.h>
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#define SX126X_IRQ_HEADER_VALID 0b0000010000 // 4 4 valid LoRa header received
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#define SX126X_IRQ_PREAMBLE_DETECTED 0x04
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class CustomSX1268 : public SX1268 {
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public:
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CustomSX1268(Module *mod) : SX1268(mod) { }
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#ifdef RP2040_PLATFORM
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bool std_init(SPIClassRP2040* spi = NULL)
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#else
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bool std_init(SPIClass* spi = NULL)
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#endif
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{
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#ifdef SX126X_DIO3_TCXO_VOLTAGE
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float tcxo = SX126X_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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#ifdef LORA_CR
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uint8_t cr = LORA_CR;
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#else
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uint8_t cr = 5;
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#endif
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#if defined(P_LORA_SCLK)
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#ifdef NRF52_PLATFORM
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if (spi) { spi->setPins(P_LORA_MISO, P_LORA_SCLK, P_LORA_MOSI); spi->begin(); }
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#elif defined(RP2040_PLATFORM)
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if (spi) {
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spi->setMISO(P_LORA_MISO);
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//spi->setCS(P_LORA_NSS); // Setting CS results in freeze
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spi->setSCK(P_LORA_SCLK);
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spi->setMOSI(P_LORA_MOSI);
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spi->begin();
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}
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#else
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if (spi) spi->begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
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#endif
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#endif
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int status = begin(LORA_FREQ, LORA_BW, LORA_SF, cr, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 8, tcxo);
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// if radio init fails with -707/-706, try again with tcxo voltage set to 0.0f
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if (status == RADIOLIB_ERR_SPI_CMD_FAILED || status == RADIOLIB_ERR_SPI_CMD_INVALID) {
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#define SX126X_DIO3_TCXO_VOLTAGE (0.0f);
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tcxo = SX126X_DIO3_TCXO_VOLTAGE;
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status = begin(LORA_FREQ, LORA_BW, LORA_SF, cr, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 8, tcxo);
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}
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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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setCRC(1);
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#ifdef SX126X_CURRENT_LIMIT
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setCurrentLimit(SX126X_CURRENT_LIMIT);
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#endif
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#ifdef SX126X_DIO2_AS_RF_SWITCH
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setDio2AsRfSwitch(SX126X_DIO2_AS_RF_SWITCH);
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#endif
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#ifdef SX126X_RX_BOOSTED_GAIN
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setRxBoostedGainMode(SX126X_RX_BOOSTED_GAIN);
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#endif
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#if defined(SX126X_RXEN) || defined(SX126X_TXEN)
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#ifndef SX1262X_RXEN
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#define SX1262X_RXEN RADIOLIB_NC
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#endif
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#ifndef SX1262X_TXEN
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#define SX1262X_TXEN RADIOLIB_NC
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#endif
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setRfSwitchPins(SX126X_RXEN, SX126X_TXEN);
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#endif
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return true; // success
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}
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bool isReceiving() {
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uint16_t irq = getIrqFlags();
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bool detected = (irq & SX126X_IRQ_HEADER_VALID) || (irq & SX126X_IRQ_PREAMBLE_DETECTED);
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return detected;
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}
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}; |