cbb8d419d1
* [CI] Add basic unit testing * [CI] Add gitignore * [CI] Install libfmt --------- Co-authored-by: jgromes <jan.gromes>
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#ifndef HARDWARE_EMULATION_HPP
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#define HARDWARE_EMULATION_HPP
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#include <stdint.h>
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// value that is returned by the emualted radio class when performing SPI transfer to it
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#define EMULATED_RADIO_SPI_RETURN (0xFF)
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// pin indexes
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#define EMULATED_RADIO_NSS_PIN (1)
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#define EMULATED_RADIO_IRQ_PIN (2)
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#define EMULATED_RADIO_RST_PIN (3)
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#define EMULATED_RADIO_GPIO_PIN (4)
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enum PinFunction_t {
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PIN_UNASSIGNED = 0,
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PIN_CS,
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PIN_IRQ,
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PIN_RST,
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PIN_GPIO,
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};
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// structure for emulating GPIO pins
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struct EmulatedPin_t {
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uint32_t mode;
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uint32_t value;
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bool event;
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PinFunction_t func;
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};
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// structure for emulating SPI registers
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struct EmulatedRegister_t {
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uint8_t value;
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uint8_t readOnlyBitFlags;
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bool bufferAccess;
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};
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// base class for emulated radio modules (SX126x etc.)
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class EmulatedRadio {
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public:
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void connect(EmulatedPin_t* csPin, EmulatedPin_t* irqPin, EmulatedPin_t* rstPin, EmulatedPin_t* gpioPin) {
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this->cs = csPin;
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this->cs->func = PIN_CS;
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this->irq = irqPin;
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this->irq->func = PIN_IRQ;
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this->rst = rstPin;
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this->rst->func = PIN_RST;
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this->gpio = gpioPin;
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this->gpio->func = PIN_GPIO;
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}
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virtual uint8_t HandleSPI(uint8_t b) {
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(void)b;
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// handle the SPI input and generate output here
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return(EMULATED_RADIO_SPI_RETURN);
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}
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virtual void HandleGPIO() {
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// handle discrete GPIO signals here (e.g. reset state machine on NSS falling edge)
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}
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protected:
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// pointers to emulated GPIO pins
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// this is done via pointers so that the same GPIO entity is shared, like with a real hardware
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EmulatedPin_t* cs;
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EmulatedPin_t* irq;
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EmulatedPin_t* rst;
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EmulatedPin_t* gpio;
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};
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#endif
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