112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
#pragma once
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#include <Tactility/hal/spi/Spi.h>
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#include <Tactility/EventFlag.h>
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#include <Tactility/Lock.h>
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#include <RadioLib.h>
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#include "RadiolibTactilityHal.h"
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#include "RadiolibThreadedDevice.h"
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#include <utility>
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class Sx1262 final : public RadiolibThreadedDevice {
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public:
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struct Configuration {
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spi_host_device_t spiHostDevice;
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int spiFrequency;
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gpio_num_t csPin;
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gpio_num_t resetPin;
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gpio_num_t busyPin;
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gpio_num_t irqPin;
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float tcxoVoltage;
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bool useRegulatorLdo;
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};
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private:
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static constexpr auto SX1262_DEFAULT_NAME = "SX1262";
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static constexpr auto SX1262_COOLDOWN_MILLIS = 100;
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static constexpr auto SX1262_TX_TIMEOUT_MILLIS = 2000;
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static constexpr auto SX1262_INTERRUPT_BIT = BIT0;
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static constexpr auto SX1262_DIO1_EVENT_BIT = BIT1;
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static constexpr auto SX1262_QUEUED_TX_BIT = BIT2;
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std::string name;
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const Configuration configuration;
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std::shared_ptr<tt::Lock> lock;
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tt::EventFlag events;
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RadiolibTactilityHal hal;
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Module radioModule;
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SX1262 radio;
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TxItem currentTx;
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// Shared parameters which have a common lowest value are set here
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int8_t power = -9.0;
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float frequency = 150;
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float bandwidth = 0.0;
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uint8_t spreadFactor = 0.0;
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uint8_t codingRate = 0;
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uint8_t syncWord = 0;
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uint16_t preambleLength = 0;
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float bitRate = 0.0;
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float frequencyDeviation = 0.0;
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bool narrowGrid = false;
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bool boostedGain = false;
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void registerDio1Isr();
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void unregisterDio1Isr();
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ParameterStatus setBaseParameter(const Parameter parameter, const float value);
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ParameterStatus setLoraParameter(const Parameter parameter, const float value);
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ParameterStatus setFskParameter(const Parameter parameter, const float value);
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ParameterStatus setLrFhssParameter(const Parameter parameter, const float value);
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ParameterStatus getBaseParameter(const Parameter parameter, float &value) const;
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ParameterStatus getLoraParameter(const Parameter parameter, float &value) const;
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ParameterStatus getFskParameter(const Parameter parameter, float &value) const;
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ParameterStatus getLrFhssParameter(const Parameter parameter, float &value) const;
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protected:
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virtual void txQueuedSignal() override;
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virtual void interruptSignal() override;
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virtual int doBegin(const Modulation modulation) override;
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virtual void doEnd() override;
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virtual void doTransmit() override;
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virtual void doListen() override;
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virtual void doReceive() override;
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public:
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explicit Sx1262(const Configuration& configuration, const std::string& name = SX1262_DEFAULT_NAME)
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: RadiolibThreadedDevice(name, 4096)
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, name(name)
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, configuration(configuration)
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, hal(configuration.spiHostDevice, configuration.spiFrequency, configuration.csPin)
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, radioModule(&hal, configuration.csPin, configuration.irqPin, configuration.resetPin, configuration.busyPin)
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, radio(&radioModule)
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{}
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~Sx1262() override = default;
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std::string getName() const override { return name; }
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std::string getDescription() const override { return "Semtech SX1262 LoRa, FSK and LR-FHSS capable radio"; }
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ParameterStatus setParameter(const Parameter parameter, const float value) override;
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ParameterStatus getParameter(const Parameter parameter, float &value) const override;
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tt::hal::radio::Unit getParameterUnit(const Parameter parameter) const override;
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bool canTransmit(const Modulation modulation) override {
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return (modulation == Modulation::Fsk) ||
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(modulation == Modulation::LoRa) ||
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(modulation == Modulation::LrFhss);
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}
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bool canReceive(const Modulation modulation) override {
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return (modulation == Modulation::Fsk) || (modulation == Modulation::LoRa);
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}
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void dio1Event();
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};
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