esphome/esphome/components/tm1638/tm1638.h
2022-11-24 13:12:55 +13:00

83 lines
2.6 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/core/defines.h"
#include "esphome/core/automation.h"
#include "esphome/core/hal.h"
#include <vector>
#ifdef USE_TIME
#include "esphome/components/time/real_time_clock.h"
#endif
namespace esphome {
namespace tm1638 {
class KeyListener {
public:
virtual void keys_update(uint8_t keys){};
};
class TM1638Component;
using tm1638_writer_t = std::function<void(TM1638Component &)>;
class TM1638Component : public PollingComponent {
public:
void set_writer(tm1638_writer_t &&writer) { this->writer_ = writer; }
void setup() override;
void dump_config() override;
void update() override;
float get_setup_priority() const override;
void set_intensity(uint8_t brightness_level);
void display();
void set_clk_pin(GPIOPin *pin) { this->clk_pin_ = pin; }
void set_dio_pin(GPIOPin *pin) { this->dio_pin_ = pin; }
void set_stb_pin(GPIOPin *pin) { this->stb_pin_ = pin; }
void register_listener(KeyListener *listener) { this->listeners_.push_back(listener); }
/// Evaluate the printf-format and print the result at the given position.
uint8_t printf(uint8_t pos, const char *format, ...) __attribute__((format(printf, 3, 4)));
/// Evaluate the printf-format and print the result at position 0.
uint8_t printf(const char *format, ...) __attribute__((format(printf, 2, 3)));
/// Print `str` at the given position.
uint8_t print(uint8_t pos, const char *str);
/// Print `str` at position 0.
uint8_t print(const char *str);
void loop() override;
uint8_t get_keys();
#ifdef USE_TIME
/// Evaluate the strftime-format and print the result at the given position.
uint8_t strftime(uint8_t pos, const char *format, time::ESPTime time) __attribute__((format(strftime, 3, 0)));
/// Evaluate the strftime-format and print the result at position 0.
uint8_t strftime(const char *format, time::ESPTime time) __attribute__((format(strftime, 2, 0)));
#endif
void set_led(int led_pos, bool led_on_off);
protected:
void set_7seg_(int seg_pos, uint8_t seg_bits);
void send_command_(uint8_t value);
void send_command_leave_open_(uint8_t value);
void send_commands_(uint8_t const commands[], uint8_t num_commands);
void send_command_sequence_(uint8_t commands[], uint8_t num_commands, uint8_t starting_address);
void shift_out_(uint8_t value);
void reset_();
uint8_t shift_in_();
uint8_t intensity_{}; /// brghtness of the display 0 through 7
GPIOPin *clk_pin_;
GPIOPin *stb_pin_;
GPIOPin *dio_pin_;
uint8_t *buffer_ = new uint8_t[8];
optional<tm1638_writer_t> writer_{};
std::vector<KeyListener *> listeners_{};
};
} // namespace tm1638
} // namespace esphome