esphome/esphome/components/max7219digit/max7219digit.h
TVDLoewe 92321e219a
Max7219digit multiline (#1622)
Co-authored-by: Otto winter <otto@otto-winter.com>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2021-11-11 07:41:04 +13:00

124 lines
4.1 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/core/defines.h"
#include "esphome/components/display/display_buffer.h"
#include "esphome/components/spi/spi.h"
#ifdef USE_TIME
#include "esphome/components/time/real_time_clock.h"
#endif
namespace esphome {
namespace max7219digit {
enum ChipLinesStyle {
ZIGZAG = 0,
SNAKE,
};
enum ScrollMode {
CONTINUOUS = 0,
STOP,
};
class MAX7219Component;
using max7219_writer_t = std::function<void(MAX7219Component &)>;
class MAX7219Component : public PollingComponent,
public display::DisplayBuffer,
public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW,
spi::CLOCK_PHASE_LEADING, spi::DATA_RATE_1MHZ> {
public:
void set_writer(max7219_writer_t &&writer) { this->writer_local_ = writer; };
void setup() override;
void loop() override;
void dump_config() override;
void update() override;
float get_setup_priority() const override;
void display();
void invert_on_off(bool on_off);
void invert_on_off();
void turn_on_off(bool on_off);
void draw_absolute_pixel_internal(int x, int y, Color color) override;
int get_height_internal() override;
int get_width_internal() override;
void set_intensity(uint8_t intensity) { this->intensity_ = intensity; };
void set_num_chips(uint8_t num_chips) { this->num_chips_ = num_chips; };
void set_num_chip_lines(uint8_t num_chip_lines) { this->num_chip_lines_ = num_chip_lines; };
void set_chip_lines_style(ChipLinesStyle chip_lines_style) { this->chip_lines_style_ = chip_lines_style; };
void set_chip_orientation(uint8_t rotate) { this->orientation_ = rotate; };
void set_scroll_speed(uint16_t speed) { this->scroll_speed_ = speed; };
void set_scroll_dwell(uint16_t dwell) { this->scroll_dwell_ = dwell; };
void set_scroll_delay(uint16_t delay) { this->scroll_delay_ = delay; };
void set_scroll(bool on_off) { this->scroll_ = on_off; };
void set_scroll_mode(ScrollMode mode) { this->scroll_mode_ = mode; };
void set_reverse(bool on_off) { this->reverse_ = on_off; };
void send_char(uint8_t chip, uint8_t data);
void send64pixels(uint8_t chip, const uint8_t pixels[8]);
void scroll_left();
void scroll(bool on_off, ScrollMode mode, uint16_t speed, uint16_t delay, uint16_t dwell);
void scroll(bool on_off, ScrollMode mode);
void scroll(bool on_off);
void intensity(uint8_t intensity);
/// Evaluate the printf-format and print the result at the given position.
uint8_t printdigitf(uint8_t pos, const char *format, ...) __attribute__((format(printf, 3, 4)));
/// Evaluate the printf-format and print the result at position 0.
uint8_t printdigitf(const char *format, ...) __attribute__((format(printf, 2, 3)));
/// Print `str` at the given position.
uint8_t printdigit(uint8_t pos, const char *str);
/// Print `str` at position 0.
uint8_t printdigit(const char *str);
#ifdef USE_TIME
/// Evaluate the strftime-format and print the result at the given position.
uint8_t strftimedigit(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 strftimedigit(const char *format, time::ESPTime time) __attribute__((format(strftime, 2, 0)));
#endif
protected:
void send_byte_(uint8_t a_register, uint8_t data);
void send_to_all_(uint8_t a_register, uint8_t data);
uint8_t orientation_180_();
uint8_t intensity_; /// Intensity of the display from 0 to 15 (most)
uint8_t num_chips_;
uint8_t num_chip_lines_;
ChipLinesStyle chip_lines_style_;
bool scroll_;
bool reverse_;
bool update_{false};
uint16_t scroll_speed_;
uint16_t scroll_delay_;
uint16_t scroll_dwell_;
uint16_t old_buffer_size_ = 0;
ScrollMode scroll_mode_;
bool invert_ = false;
uint8_t orientation_;
uint8_t bckgrnd_ = 0x0;
std::vector<std::vector<uint8_t>> max_displaybuffer_;
uint32_t last_scroll_ = 0;
uint16_t stepsleft_;
size_t get_buffer_length_();
optional<max7219_writer_t> writer_local_{};
};
} // namespace max7219digit
} // namespace esphome