tm1621.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/core/defines.h"
#include "esphome/core/hal.h"
#include "esphome/components/display/display.h"
 
namespace esphome {
namespace tm1621 {
 
class TM1621Display;
 
using tm1621_writer_t = display::DisplayWriter<TM1621Display>;
 
class TM1621Display : public PollingComponent {
 public:
  void set_writer(tm1621_writer_t &&writer) { this->writer_ = writer; }
 
  void setup() override;
 
  void dump_config() override;
 
  void set_cs_pin(GPIOPin *pin) { cs_pin_ = pin; }
  void set_data_pin(GPIOPin *pin) { data_pin_ = pin; }
  void set_read_pin(GPIOPin *pin) { read_pin_ = pin; }
  void set_write_pin(GPIOPin *pin) { write_pin_ = pin; }
 
  void display_celsius(bool d) { celsius_ = d; }
  void display_fahrenheit(bool d) { fahrenheit_ = d; }
  void display_humidity(bool d) { humidity_ = d; }
  void display_voltage(bool d) { voltage_ = d; }
  void display_kwh(bool d) { kwh_ = d; }
 
  float get_setup_priority() const override;
 
  void update() override;
 
  uint8_t printf(uint8_t pos, const char *format, ...) __attribute__((format(printf, 3, 4)));
  uint8_t printf(const char *format, ...) __attribute__((format(printf, 2, 3)));
 
  uint8_t print(uint8_t pos, const char *str);
  uint8_t print(const char *str);
 
  void display();
 
 protected:
  void bit_delay_();
  void setup_pins_();
  bool send_command_(uint16_t command);
  bool send_common_(uint8_t common);
  bool send_address_(uint16_t address);
  void stop_();
  int get_command_code_(char *destination, size_t destination_size, const char *needle, const char *haystack);
 
  GPIOPin *data_pin_;
  GPIOPin *cs_pin_;
  GPIOPin *read_pin_;
  GPIOPin *write_pin_;
  tm1621_writer_t writer_{};
  char row_[2][12];
  uint8_t state_;
  uint8_t device_;
  bool celsius_;
  bool fahrenheit_;
  bool humidity_;
  bool voltage_;
  bool kwh_;
};
 
}  // namespace tm1621
}  // namespace esphome