ESPHome  2024.11.1
pcd_8544.h
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1 #pragma once
2 
6 
7 namespace esphome {
8 namespace pcd8544 {
9 
11  public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_HIGH, spi::CLOCK_PHASE_TRAILING,
12  spi::DATA_RATE_8MHZ> {
13  public:
14  const uint8_t PCD8544_POWERDOWN = 0x04;
15  const uint8_t PCD8544_ENTRYMODE = 0x02;
16  const uint8_t PCD8544_EXTENDEDINSTRUCTION = 0x01;
17 
18  const uint8_t PCD8544_DISPLAYBLANK = 0x0;
19  const uint8_t PCD8544_DISPLAYNORMAL = 0x4;
20  const uint8_t PCD8544_DISPLAYALLON = 0x1;
21  const uint8_t PCD8544_DISPLAYINVERTED = 0x5;
22 
23  const uint8_t PCD8544_FUNCTIONSET = 0x20;
24  const uint8_t PCD8544_DISPLAYCONTROL = 0x08;
25  const uint8_t PCD8544_SETYADDR = 0x40;
26  const uint8_t PCD8544_SETXADDR = 0x80;
27 
28  const uint8_t PCD8544_SETTEMP = 0x04;
29  const uint8_t PCD8544_SETBIAS = 0x10;
30  const uint8_t PCD8544_SETVOP = 0x80;
31  uint8_t contrast_;
32 
33  void set_dc_pin(GPIOPin *dc_pin) { this->dc_pin_ = dc_pin; }
35  void set_contrast(uint8_t contrast) { this->contrast_ = contrast; }
36  float get_setup_priority() const override { return setup_priority::PROCESSOR; }
37 
38  void command(uint8_t value);
39  void data(uint8_t value);
40 
41  void initialize();
42  void dump_config() override;
43  void HOT display();
44 
45  void update() override;
46 
47  void fill(Color color) override;
48 
49  void setup() override {
50  this->setup_pins_();
51  this->initialize();
52  }
53 
55 
56  protected:
57  void draw_absolute_pixel_internal(int x, int y, Color color) override;
58 
59  void setup_pins_();
60 
61  void init_reset_();
62 
63  size_t get_buffer_length_();
64 
65  void start_command_();
66  void end_command_();
67  void start_data_();
68  void end_data_();
69 
70  int get_width_internal() override;
71  int get_height_internal() override;
72 
75 };
76 
77 } // namespace pcd8544
78 } // namespace esphome
const uint8_t PCD8544_DISPLAYNORMAL
Definition: pcd_8544.h:19
void data(uint8_t value)
display::DisplayType get_display_type() override
Definition: pcd_8544.h:54
void set_dc_pin(GPIOPin *dc_pin)
Definition: pcd_8544.h:33
uint16_t x
Definition: tt21100.cpp:17
const uint8_t PCD8544_EXTENDEDINSTRUCTION
Definition: pcd_8544.h:16
void draw_absolute_pixel_internal(int x, int y, Color color) override
Definition: pcd_8544.cpp:87
float get_setup_priority() const override
Definition: pcd_8544.h:36
const uint8_t PCD8544_ENTRYMODE
Definition: pcd_8544.h:15
void set_contrast(uint8_t contrast)
Definition: pcd_8544.h:35
const uint8_t PCD8544_POWERDOWN
Definition: pcd_8544.h:14
void fill(Color color) override
Definition: pcd_8544.cpp:119
uint16_t y
Definition: tt21100.cpp:18
The SPIDevice is what components using the SPI will create.
Definition: spi.h:391
const uint8_t PCD8544_FUNCTIONSET
Definition: pcd_8544.h:23
void dump_config() override
Definition: pcd_8544.cpp:101
const uint8_t PCD8544_DISPLAYBLANK
Definition: pcd_8544.h:18
int get_width_internal() override
Definition: pcd_8544.cpp:58
const float PROCESSOR
For components that use data from sensors like displays.
Definition: component.cpp:20
uint16_t reset
Definition: ina226.h:39
void command(uint8_t value)
Definition: pcd_8544.cpp:108
const uint8_t PCD8544_SETXADDR
Definition: pcd_8544.h:26
const uint8_t PCD8544_DISPLAYINVERTED
Definition: pcd_8544.h:21
void update() override
Definition: pcd_8544.cpp:114
const uint8_t PCD8544_SETYADDR
Definition: pcd_8544.h:25
Implementation of SPI Controller mode.
Definition: a01nyub.cpp:7
const uint8_t PCD8544_SETBIAS
Definition: pcd_8544.h:29
int get_height_internal() override
Definition: pcd_8544.cpp:59
void setup() override
Definition: pcd_8544.h:49
void set_reset_pin(GPIOPin *reset)
Definition: pcd_8544.h:34
const uint8_t PCD8544_DISPLAYCONTROL
Definition: pcd_8544.h:24
const uint8_t PCD8544_SETVOP
Definition: pcd_8544.h:30
const uint8_t PCD8544_SETTEMP
Definition: pcd_8544.h:28
const uint8_t PCD8544_DISPLAYALLON
Definition: pcd_8544.h:20