esphome/esphome/components/sx1509/sx1509.h

86 lines
2.9 KiB
C++

#pragma once
#include "esphome/components/i2c/i2c.h"
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "sx1509_gpio_pin.h"
#include "sx1509_registers.h"
#include <vector>
namespace esphome {
namespace sx1509 {
// These are used for clock config:
const uint8_t INTERNAL_CLOCK_2MHZ = 2;
const uint8_t EXTERNAL_CLOCK = 1;
const uint8_t SOFTWARE_RESET = 0;
const uint8_t HARDWARE_RESET = 1;
const uint8_t REG_I_ON[16] = {REG_I_ON_0, REG_I_ON_1, REG_I_ON_2, REG_I_ON_3, REG_I_ON_4, REG_I_ON_5,
REG_I_ON_6, REG_I_ON_7, REG_I_ON_8, REG_I_ON_9, REG_I_ON_10, REG_I_ON_11,
REG_I_ON_12, REG_I_ON_13, REG_I_ON_14, REG_I_ON_15};
// for all components that implement the process(uint16_t data )
class SX1509Processor {
public:
virtual void process(uint16_t data){};
};
class SX1509Component : public Component, public i2c::I2CDevice {
public:
SX1509Component() = default;
void setup() override;
void dump_config() override;
float get_setup_priority() const override { return setup_priority::HARDWARE; }
void loop() override;
bool digital_read(uint8_t pin);
uint16_t read_key_data();
void set_pin_value(uint8_t pin, uint8_t i_on) { this->write_byte(REG_I_ON[pin], i_on); };
void pin_mode(uint8_t pin, gpio::Flags flags);
void digital_write(uint8_t pin, bool bit_value);
uint32_t get_clock() { return this->clk_x_; };
void set_rows_cols(uint8_t rows, uint8_t cols) {
this->rows_ = rows;
this->cols_ = cols;
this->has_keypad_ = true;
};
void set_sleep_time(uint16_t sleep_time) { this->sleep_time_ = sleep_time; };
void set_scan_time(uint8_t scan_time) { this->scan_time_ = scan_time; };
void set_debounce_time(uint8_t debounce_time = 1) { this->debounce_time_ = debounce_time; };
void register_keypad_binary_sensor(SX1509Processor *binary_sensor) {
this->keypad_binary_sensors_.push_back(binary_sensor);
}
void setup_led_driver(uint8_t pin);
protected:
uint32_t clk_x_ = 2000000;
uint8_t frequency_ = 0;
uint16_t ddr_mask_ = 0x00;
uint16_t input_mask_ = 0x00;
uint16_t port_mask_ = 0x00;
uint16_t output_state_ = 0x00;
bool has_keypad_ = false;
uint8_t rows_ = 0;
uint8_t cols_ = 0;
uint16_t sleep_time_ = 128;
uint8_t scan_time_ = 1;
uint8_t debounce_time_ = 1;
std::vector<SX1509Processor *> keypad_binary_sensors_;
uint32_t last_loop_timestamp_ = 0;
const uint32_t min_loop_period_ = 15; // ms
void setup_keypad_();
void set_debounce_config_(uint8_t config_value);
void set_debounce_time_(uint8_t time);
void set_debounce_pin_(uint8_t pin);
void set_debounce_enable_(uint8_t pin);
void set_debounce_keypad_(uint8_t time, uint8_t num_rows, uint8_t num_cols);
void clock_(uint8_t osc_source = 2, uint8_t osc_pin_function = 1, uint8_t osc_freq_out = 0, uint8_t osc_divider = 0);
};
} // namespace sx1509
} // namespace esphome