mirror of
https://github.com/ByteWelder/Tactility.git
synced 2026-02-18 19:03:16 +00:00
efd3c6041c
- Fixed TCA8418 driver - Updated T-Lora Pager for TCA driver fixes - Fixed issues with T-Lora keyboard driver - Implemented Cardputer Adv - Cleanup of Cardputer (regular) - Fix sdkconfig for E32R28T and E32R32P - Disable Wi-Fi on boot (was accidentally pushed before)
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#pragma once
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#include <array>
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#include <Tactility/hal/i2c/I2cDevice.h>
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constexpr auto TCA8418_ADDRESS = 0x34U;
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constexpr auto KEY_EVENT_LIST_SIZE = 10;
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/**
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* See https://www.ti.com/lit/ds/symlink/tca8418.pdf
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*/
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class Tca8418 final : public tt::hal::i2c::I2cDevice {
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uint8_t tca8418_address;
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uint32_t last_update_micros;
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uint32_t this_update_micros;
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uint8_t new_pressed_keys_count;
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void clear_released_list();
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void clear_pressed_list();
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void add_pressed_key(uint8_t row, uint8_t col);
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void add_released_key(uint8_t row, uint8_t col);
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void remove_pressed_key(uint8_t row, uint8_t col);
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void write(uint8_t register_address, uint8_t data);
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bool read(uint8_t register_address, uint8_t* data);
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bool initMatrix(uint8_t rows, uint8_t columns);
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public:
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struct PressedKey {
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uint8_t row;
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uint8_t col;
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uint32_t hold_time;
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};
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struct ReleasedKey {
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uint8_t row;
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uint8_t col;
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};
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std::string getName() const final { return "TCA8418"; }
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std::string getDescription() const final { return "I2C-controlled keyboard scan IC"; }
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explicit Tca8418(i2c_port_t port) : I2cDevice(port, TCA8418_ADDRESS) {
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delta_micros = 0;
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last_update_micros = 0;
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this_update_micros = 0;
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}
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~Tca8418() {}
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uint8_t num_rows;
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uint8_t num_cols;
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uint32_t delta_micros;
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std::array<PressedKey, KEY_EVENT_LIST_SIZE> pressed_list;
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std::array<ReleasedKey, KEY_EVENT_LIST_SIZE> released_list;
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uint8_t pressed_key_count;
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uint8_t released_key_count;
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void init(uint8_t numrows, uint8_t numcols);
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bool update();
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uint8_t get_key_event();
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bool button_pressed(uint8_t row, uint8_t button_bit_position);
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bool button_released(uint8_t row, uint8_t button_bit_position);
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bool button_held(uint8_t row, uint8_t button_bit_position);
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};
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