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