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#ifndef SAITEK_THROTTLE_QUADRANT_HPP
#define SAITEK_THROTTLE_QUADRANT_HPP
#include <limits.h>
#include <stddef.h>
#include <stdint.h>
struct SaitekThrottleQuadrant {
//! The data read from the throttle quadrant.
struct [[gnu::packed]] Data {
uint8_t left;
uint8_t right;
uint8_t middle;
uint16_t buttons : 9;
uint16_t : 0;
};
//! The minimum delay between successive read operations.
auto constexpr static readDelayMillis = 25u;
//! Initialize the throttle quadrant interface.
auto begin(unsigned clock_pin, unsigned latch_pin, unsigned data_pin) noexcept -> void;
//! Read the current state of the throttle quadrant.
auto read() noexcept -> Data;
private:
//! The time for the clock to propagate.
auto constexpr static clockDelayMicros = 25u;
//! The time for the latch to settle.
auto constexpr static latchDelayMicros = 5u;
//! The number of buttons on the throttle quadrant.
auto constexpr static numberOfButtons = 9u;
auto beginTransaction() -> void;
auto endTransaction() -> void;
template<typename T, size_t Bits = sizeof(T) * CHAR_BIT>
auto doRead() -> T;
unsigned clock_pin{};
unsigned latch_pin{};
unsigned data_pin{};
} static ThrottleQuadrant;
#endif
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