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79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/spi/spi.h"
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#include "esphome/components/display/display_buffer.h"
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namespace esphome {
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namespace pcd8544 {
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class PCD8544 : public PollingComponent,
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public display::DisplayBuffer,
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public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_HIGH, spi::CLOCK_PHASE_TRAILING,
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spi::DATA_RATE_8MHZ> {
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public:
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const uint8_t PCD8544_POWERDOWN = 0x04;
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const uint8_t PCD8544_ENTRYMODE = 0x02;
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const uint8_t PCD8544_EXTENDEDINSTRUCTION = 0x01;
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const uint8_t PCD8544_DISPLAYBLANK = 0x0;
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const uint8_t PCD8544_DISPLAYNORMAL = 0x4;
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const uint8_t PCD8544_DISPLAYALLON = 0x1;
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const uint8_t PCD8544_DISPLAYINVERTED = 0x5;
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const uint8_t PCD8544_FUNCTIONSET = 0x20;
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const uint8_t PCD8544_DISPLAYCONTROL = 0x08;
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const uint8_t PCD8544_SETYADDR = 0x40;
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const uint8_t PCD8544_SETXADDR = 0x80;
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const uint8_t PCD8544_SETTEMP = 0x04;
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const uint8_t PCD8544_SETBIAS = 0x10;
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const uint8_t PCD8544_SETVOP = 0x80;
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uint8_t contrast_;
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void set_dc_pin(GPIOPin *dc_pin) { this->dc_pin_ = dc_pin; }
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void set_reset_pin(GPIOPin *reset) { this->reset_pin_ = reset; }
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void set_contrast(uint8_t contrast) { this->contrast_ = contrast; }
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float get_setup_priority() const override { return setup_priority::PROCESSOR; }
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void command(uint8_t value);
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void data(uint8_t value);
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void initialize();
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void dump_config() override;
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void HOT display();
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void update() override;
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void fill(Color color) override;
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void setup() override {
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this->setup_pins_();
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this->initialize();
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}
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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 draw_absolute_pixel_internal(int x, int y, Color color) override;
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void setup_pins_();
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void init_reset_();
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size_t get_buffer_length_();
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void start_command_();
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void end_command_();
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void start_data_();
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void end_data_();
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int get_width_internal() override;
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int get_height_internal() override;
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GPIOPin *reset_pin_;
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GPIOPin *dc_pin_;
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};
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} // namespace pcd8544
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} // namespace esphome
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