2026-06-12 18:46:22 +02:00

66 lines
2.4 KiB
C++

#pragma once
#include <Tactility/hal/keyboard/KeyboardDevice.h>
#include <Tactility/Timer.h>
#include <tactility/device.h>
#include <driver/gpio.h>
#include <freertos/queue.h>
class Tab5Keyboard final : public tt::hal::keyboard::KeyboardDevice {
static constexpr uint8_t I2C_ADDRESS = 0x6D;
static constexpr gpio_num_t INT_PIN = GPIO_NUM_50;
// Software key-repeat timing
static constexpr uint32_t REPEAT_INITIAL_MS = 400;
static constexpr uint32_t REPEAT_RATE_MS = 80;
::Device* i2cController = nullptr;
lv_indev_t* kbHandle = nullptr;
QueueHandle_t queue = nullptr;
std::unique_ptr<tt::Timer> inputTimer;
bool symActive = false; // held while Sym is physically down
bool aaSticky = false; // latched on single Aa tap, cleared after next non-modifier key
bool aaHeld = false; // true while Aa is physically held
bool aaTapped = false; // no non-modifier key was pressed while Aa was held
bool ctrlHeld = false; // true while Ctrl is physically held
// IRQ-driven event gating
volatile bool irqPending = false;
bool irqConfigured = false;
// Software key-repeat state (tracked by position to survive modifier changes)
uint32_t repeatKey = 0;
uint8_t repeatRow = 0xFF;
uint8_t repeatCol = 0xFF;
uint32_t repeatStartMs = 0;
uint32_t repeatLastMs = 0;
bool readReg(uint8_t reg, uint8_t& value);
bool writeReg(uint8_t reg, uint8_t value);
void updateLeds();
bool configureIrqPin();
void removeIrqPin();
static void IRAM_ATTR irqHandler(void* arg);
void drainEvents();
void processKeyboard();
static void readCallback(lv_indev_t* indev, lv_indev_data_t* data);
public:
explicit Tab5Keyboard(::Device* i2cController) : i2cController(i2cController) {
queue = xQueueCreate(20, sizeof(uint32_t));
// queue == nullptr on OOM; startLvgl() checks and refuses to start
}
~Tab5Keyboard() override; // defined in .cpp: stops active session, then vQueueDelete(queue)
std::string getName() const override { return "Tab5Keyboard"; }
std::string getDescription() const override { return "M5Stack Tab5 Keyboard addon"; }
bool startLvgl(lv_display_t* display) override;
bool stopLvgl() override;
bool isAttached() const override;
lv_indev_t* getLvglIndev() override { return kbHandle; }
};