123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
#include "dpad5wire.h"
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// system includes
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#include <array>
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// Arduino includes
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#include <esp32-hal-gpio.h>
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// 3rdparty lib includes
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#include <espchrono.h>
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#include <tickchrono.h>
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#include <screenmanager.h>
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// local includes
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#include "types.h"
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#include "globals.h"
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#include "newsettings.h"
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#include "bobbybuttons.h"
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namespace {
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template<pin_t OUT, pin_t IN1, pin_t IN2, pin_t IN3, pin_t IN4>
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class Helper
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{
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public:
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static constexpr auto OutPin = OUT;
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static constexpr auto In1Pin = IN1;
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static constexpr auto In2Pin = IN2;
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static constexpr auto In3Pin = IN3;
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static constexpr auto In4Pin = IN4;
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void begin();
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std::array<bool, 8> read();
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};
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template<pin_t OUT, pin_t IN1, pin_t IN2, pin_t IN3, pin_t IN4>
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void Helper<OUT, IN1, IN2, IN3, IN4>::begin()
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{
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pinMode(OUT, OUTPUT);
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}
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template<pin_t OUT, pin_t IN1, pin_t IN2, pin_t IN3, pin_t IN4>
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std::array<bool, 8> Helper<OUT, IN1, IN2, IN3, IN4>::read()
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{
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std::array<bool, 8> result;
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digitalWrite(OUT, LOW);
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pinMode(IN1, INPUT_PULLUP);
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pinMode(IN2, INPUT_PULLUP);
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pinMode(IN3, INPUT_PULLUP);
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pinMode(IN4, INPUT_PULLUP);
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vPortYield();
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result[0] = digitalRead(IN1)==LOW;
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result[1] = digitalRead(IN2)==LOW;
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result[2] = digitalRead(IN3)==LOW;
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result[3] = digitalRead(IN4)==LOW;
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digitalWrite(OUT, HIGH);
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pinMode(IN1, INPUT_PULLDOWN);
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pinMode(IN2, INPUT_PULLDOWN);
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pinMode(IN3, INPUT_PULLDOWN);
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pinMode(IN4, INPUT_PULLDOWN);
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vPortYield();
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result[4] = digitalRead(IN1);
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result[5] = digitalRead(IN2);
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result[6] = digitalRead(IN3);
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result[7] = digitalRead(IN4);
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return result;
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}
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#ifdef FEATURE_DPAD_5WIRESW
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Helper<PINS_DPAD_5WIRESW_OUT, PINS_DPAD_5WIRESW_IN1, PINS_DPAD_5WIRESW_IN2, PINS_DPAD_5WIRESW_IN3, PINS_DPAD_5WIRESW_IN4> helper;
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std::array<bool, 8> lastState;
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std::array<espchrono::millis_clock::time_point, 8> debounce;
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#endif
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} // namespace
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#ifdef FEATURE_DPAD_5WIRESW
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namespace dpad5wire {
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void init()
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{
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helper.begin();
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std::fill(std::begin(lastState), std::end(lastState), false);
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std::fill(std::begin(debounce), std::end(debounce), espchrono::millis_clock::now());
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}
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void update()
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{
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const auto newState = helper.read();
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#ifdef DPAD_5WIRESW_DEBUG
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lastState = newState;
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return;
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#endif
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const auto now = espchrono::millis_clock::now();
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const std::chrono::milliseconds dpadDebounce{settings.boardcomputerHardware.dpadDebounce};
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for (auto i = 0; i < 8; i++)
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if (lastState[i] != newState[i] && now - debounce[i] > dpadDebounce)
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{
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lastState[i] = newState[i];
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if (espgui::currentDisplay)
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{
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if (newState[i])
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espgui::currentDisplay->rawButtonPressed(i);
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else
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espgui::currentDisplay->rawButtonReleased(i);
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}
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debounce[i] = now;
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}
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}
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} // namespace dpad5wire
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#endif
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