archive: freeze IR-protocol WIP before stepwise integration

tests/arduino_stubs/Arduino.h

@@ -0,0 +1,134 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <string>
+
+struct GPIO_TypeDef
+{
+    uint32_t BSRR = 0;
+    uint32_t IDR = 0;
+};
+
+class __FlashStringHelper;
+#define F(value) (reinterpret_cast<const __FlashStringHelper *>(value))
+
+class Print
+{
+public:
+    size_t print(const __FlashStringHelper *value)
+    {
+        return append(reinterpret_cast<const char *>(value));
+    }
+
+    size_t print(const char *value) { return append(value); }
+
+    size_t print(char value)
+    {
+        buffer_.push_back(value);
+        return 1U;
+    }
+
+    template <typename T>
+    size_t print(T value)
+    {
+        return append(std::to_string(value).c_str());
+    }
+
+    size_t println()
+    {
+        buffer_.push_back('\n');
+        return 1U;
+    }
+
+    size_t write(uint8_t value)
+    {
+        buffer_.push_back(static_cast<char>(value));
+        return 1U;
+    }
+
+    const std::string &str() const { return buffer_; }
+    void clear() { buffer_.clear(); }
+
+private:
+    size_t append(const char *value)
+    {
+        if (value == nullptr)
+            return 0U;
+        const size_t oldSize = buffer_.size();
+        buffer_ += value;
+        return buffer_.size() - oldSize;
+    }
+
+    std::string buffer_;
+};
+
+using IRQn_Type = int;
+enum TimerFormat_t : uint8_t { TICK_FORMAT = 0, MICROSEC_FORMAT, HERTZ_FORMAT };
+
+constexpr uint8_t LOW = 0;
+constexpr uint8_t HIGH = 1;
+constexpr uint8_t INPUT = 0;
+constexpr uint8_t OUTPUT = 1;
+
+class HardwareTimer
+{
+public:
+    void pause() {}
+    void resume() {}
+    void setOverflow(uint32_t value, TimerFormat_t format = TICK_FORMAT)
+    {
+        if (format == HERTZ_FORMAT && value != 0U)
+        {
+            prescale_ = 1U;
+            overflow_ = timerClockHz_ / value;
+            if (overflow_ == 0U) overflow_ = 1U;
+        }
+        else
+        {
+            overflow_ = value == 0U ? 1U : value;
+        }
+    }
+    uint32_t getOverflow(TimerFormat_t = TICK_FORMAT) { return overflow_; }
+    uint32_t getPrescaleFactor() { return prescale_; }
+    uint32_t getTimerClkFreq() { return timerClockHz_; }
+    void attachInterrupt(uint8_t, void (*)()) {}
+
+    uint32_t timerClockHz_ = 12000000U;
+    uint32_t prescale_ = 1U;
+    uint32_t overflow_ = 1U;
+};
+
+inline GPIO_TypeDef *digitalPinToPort(uint8_t)
+{
+    return nullptr;
+}
+
+inline uint16_t digitalPinToBitMask(uint8_t)
+{
+    return 0;
+}
+
+inline void pinMode(uint8_t, uint8_t) {}
+inline void digitalWrite(uint8_t, uint8_t) {}
+inline void NVIC_SetPriority(IRQn_Type, uint8_t) {}
+inline void noInterrupts() {}
+inline void interrupts() {}
+
+struct ArduinoSerialStub
+{
+    template <typename T> void print(const T&) {}
+    template <typename T> void println(const T&) {}
+    void println() {}
+};
+
+inline ArduinoSerialStub Serial;
+
+inline uint32_t arduino_stub_micros = 0U;
+
+inline unsigned long millis()
+{
+    return arduino_stub_micros / 1000U;
+}
+
+inline unsigned long micros() { return arduino_stub_micros; }