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https://github.com/meshcore-dev/MeshCore.git
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90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
#pragma once
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#include <RadioLib.h>
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#define RH_RF95_MODEM_STATUS_CLEAR 0x10
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#define RH_RF95_MODEM_STATUS_HEADER_INFO_VALID 0x08
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#define RH_RF95_MODEM_STATUS_RX_ONGOING 0x04
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#define RH_RF95_MODEM_STATUS_SIGNAL_SYNCHRONIZED 0x02
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#define RH_RF95_MODEM_STATUS_SIGNAL_DETECTED 0x01
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class CustomSX1276 : public SX1276 {
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public:
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CustomSX1276(Module *mod) : SX1276(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 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, 16);
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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_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 SX127X_CURRENT_LIMIT
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setCurrentLimit(SX127X_CURRENT_LIMIT);
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#endif
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#if defined(SX176X_RXEN) || defined(SX176X_TXEN)
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#ifndef SX176X_RXEN
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#define SX176X_RXEN RADIOLIB_NC
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#endif
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#ifndef SX176X_TXEN
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#define SX176X_TXEN RADIOLIB_NC
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#endif
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setRfSwitchPins(SX176X_RXEN, SX176X_TXEN);
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#endif
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setCRC(1);
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return true; // success
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}
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bool isReceiving() {
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return (getModemStatus() &
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(RH_RF95_MODEM_STATUS_SIGNAL_DETECTED
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| RH_RF95_MODEM_STATUS_SIGNAL_SYNCHRONIZED
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| RH_RF95_MODEM_STATUS_HEADER_INFO_VALID)) != 0;
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}
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int tryScanChannel() {
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// start CAD
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int16_t state = startChannelScan();
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RADIOLIB_ASSERT(state);
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// wait for channel activity detected or timeout
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unsigned long timeout = millis() + 16;
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while(!this->mod->hal->digitalRead(this->mod->getIrq()) && millis() < timeout) {
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this->mod->hal->yield();
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if(this->mod->hal->digitalRead(this->mod->getGpio())) {
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return(RADIOLIB_PREAMBLE_DETECTED);
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}
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}
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return 0; // timed out
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}
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};
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