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esphome-dev/esphome/components/waveshare_epaper/waveshare_epaper.cpp
T
Otto Winter 8e75980ebd Cleanup dashboard JS (#491) 
* Cleanup dashboard JS

* Add vscode

* Save start_mark/end_mark

* Updates

* Updates

* Remove need for cv.nameable

It's a bit hacky but removes so much bloat from integrations

* Add enum helper

* Document APIs, and Improvements

* Fixes

* Fixes

* Update PULL_REQUEST_TEMPLATE.md

* Updates

* Updates

* Updates
2019-04-22 21:56:30 +02:00

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#include "waveshare_epaper.h"
#include "esphome/core/log.h"
#include "esphome/core/application.h"
#include "esphome/core/helpers.h"
namespace esphome {
namespace waveshare_epaper {
static const char *TAG = "waveshare_epaper";
static const uint8_t WAVESHARE_EPAPER_COMMAND_DRIVER_OUTPUT_CONTROL = 0x01;
static const uint8_t WAVESHARE_EPAPER_COMMAND_BOOSTER_SOFT_START_CONTROL = 0x0C;
// static const uint8_t WAVESHARE_EPAPER_COMMAND_GATE_SCAN_START_POSITION = 0x0F;
// static const uint8_t WAVESHARE_EPAPER_COMMAND_DEEP_SLEEP_MODE = 0x10;
static const uint8_t WAVESHARE_EPAPER_COMMAND_DATA_ENTRY_MODE_SETTING = 0x11;
// static const uint8_t WAVESHARE_EPAPER_COMMAND_SW_RESET = 0x12;
// static const uint8_t WAVESHARE_EPAPER_COMMAND_TEMPERATURE_SENSOR_CONTROL = 0x1A;
static const uint8_t WAVESHARE_EPAPER_COMMAND_MASTER_ACTIVATION = 0x20;
// static const uint8_t WAVESHARE_EPAPER_COMMAND_DISPLAY_UPDATE_CONTROL_1 = 0x21;
static const uint8_t WAVESHARE_EPAPER_COMMAND_DISPLAY_UPDATE_CONTROL_2 = 0x22;
static const uint8_t WAVESHARE_EPAPER_COMMAND_WRITE_RAM = 0x24;
static const uint8_t WAVESHARE_EPAPER_COMMAND_WRITE_VCOM_REGISTER = 0x2C;
static const uint8_t WAVESHARE_EPAPER_COMMAND_WRITE_LUT_REGISTER = 0x32;
static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_DUMMY_LINE_PERIOD = 0x3A;
static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_GATE_TIME = 0x3B;
static const uint8_t WAVESHARE_EPAPER_COMMAND_BORDER_WAVEFORM_CONTROL = 0x3C;
static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_START_END_POSITION = 0x44;
static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_START_END_POSITION = 0x45;
static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_COUNTER = 0x4E;
static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_COUNTER = 0x4F;
static const uint8_t WAVESHARE_EPAPER_COMMAND_TERMINATE_FRAME_READ_WRITE = 0xFF;
// not in .text section since only 30 bytes
static const uint8_t FULL_UPDATE_LUT[30] = {0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22, 0x66, 0x69,
0x69, 0x59, 0x58, 0x99, 0x99, 0x88, 0x00, 0x00, 0x00, 0x00,
0xF8, 0xB4, 0x13, 0x51, 0x35, 0x51, 0x51, 0x19, 0x01, 0x00};
static const uint8_t PARTIAL_UPDATE_LUT[30] = {0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x13, 0x14, 0x44, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
void WaveshareEPaper::setup_pins_() {
this->init_internal_(this->get_buffer_length_());
this->dc_pin_->setup(); // OUTPUT
this->dc_pin_->digital_write(false);
if (this->reset_pin_ != nullptr) {
this->reset_pin_->setup(); // OUTPUT
this->reset_pin_->digital_write(true);
}
if (this->busy_pin_ != nullptr) {
this->busy_pin_->setup(); // INPUT
}
this->spi_setup();
// Reset
if (this->reset_pin_ != nullptr) {
this->reset_pin_->digital_write(false);
delay(200);
this->reset_pin_->digital_write(true);
delay(200);
}
}
float WaveshareEPaper::get_setup_priority() const { return setup_priority::PROCESSOR; }
void WaveshareEPaper::command(uint8_t value) {
this->start_command_();
this->write_byte(value);
this->end_command_();
}
void WaveshareEPaper::data(uint8_t value) {
this->start_data_();
this->write_byte(value);
this->end_data_();
}
bool WaveshareEPaper::is_device_msb_first() { return true; }
bool WaveshareEPaper::wait_until_idle_() {
if (this->busy_pin_ == nullptr) {
return true;
}
const uint32_t start = millis();
while (this->busy_pin_->digital_read()) {
if (millis() - start > 1000) {
ESP_LOGE(TAG, "Timeout while displaying image!");
return false;
}
delay(10);
}
return true;
}
void WaveshareEPaper::update() {
this->do_update_();
this->display();
}
void WaveshareEPaper::fill(int color) {
// flip logic
const uint8_t fill = color ? 0x00 : 0xFF;
for (uint32_t i = 0; i < this->get_buffer_length_(); i++)
this->buffer_[i] = fill;
}
void HOT WaveshareEPaper::draw_absolute_pixel_internal(int x, int y, int color) {
if (x >= this->get_width_internal() || y >= this->get_height_internal() || x < 0 || y < 0)
return;
const uint32_t pos = (x + y * this->get_width_internal()) / 8u;
const uint8_t subpos = x & 0x07;
// flip logic
if (!color)
this->buffer_[pos] |= 0x80 >> subpos;
else
this->buffer_[pos] &= ~(0x80 >> subpos);
}
uint32_t WaveshareEPaper::get_buffer_length_() { return this->get_width_internal() * this->get_height_internal() / 8u; }
bool WaveshareEPaper::is_device_high_speed() { return true; }
void WaveshareEPaper::start_command_() {
this->dc_pin_->digital_write(false);
this->enable();
}
void WaveshareEPaper::end_command_() { this->disable(); }
void WaveshareEPaper::start_data_() {
this->dc_pin_->digital_write(true);
this->enable();
}
void WaveshareEPaper::end_data_() { this->disable(); }
// ========================================================
// Type A
// ========================================================
void WaveshareEPaperTypeA::setup() {
this->setup_pins_();
this->command(WAVESHARE_EPAPER_COMMAND_DRIVER_OUTPUT_CONTROL);
this->data(this->get_height_internal() - 1);
this->data((this->get_height_internal() - 1) >> 8);
this->data(0x00); // ? GD = 0, SM = 0, TB = 0
this->command(WAVESHARE_EPAPER_COMMAND_BOOSTER_SOFT_START_CONTROL); // ?
this->data(0xD7);
this->data(0xD6);
this->data(0x9D);
this->command(WAVESHARE_EPAPER_COMMAND_WRITE_VCOM_REGISTER); // ?
this->data(0xA8);
this->command(WAVESHARE_EPAPER_COMMAND_SET_DUMMY_LINE_PERIOD); // ?
this->data(0x1A);
this->command(WAVESHARE_EPAPER_COMMAND_SET_GATE_TIME); // 2µs per row
this->data(0x08);
this->command(WAVESHARE_EPAPER_COMMAND_DATA_ENTRY_MODE_SETTING);
this->data(0x03); // from top left to bottom right
}
void WaveshareEPaperTypeA::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
switch (this->model_) {
case WAVESHARE_EPAPER_1_54_IN:
ESP_LOGCONFIG(TAG, " Model: 1.54in");
break;
case WAVESHARE_EPAPER_2_13_IN:
ESP_LOGCONFIG(TAG, " Model: 2.13in");
break;
case WAVESHARE_EPAPER_2_9_IN:
ESP_LOGCONFIG(TAG, " Model: 2.9in");
break;
}
ESP_LOGCONFIG(TAG, " Full Update Every: %u", this->full_update_every_);
LOG_PIN(" Reset Pin: ", this->reset_pin_);
LOG_PIN(" DC Pin: ", this->dc_pin_);
LOG_PIN(" Busy Pin: ", this->busy_pin_);
LOG_UPDATE_INTERVAL(this);
}
void HOT WaveshareEPaperTypeA::display() {
if (!this->wait_until_idle_()) {
this->status_set_warning();
return;
}
if (this->full_update_every_ >= 2) {
bool prev_full_update = this->at_update_ == 1;
bool full_update = this->at_update_ == 0;
if (full_update != prev_full_update) {
this->write_lut_(full_update ? FULL_UPDATE_LUT : PARTIAL_UPDATE_LUT);
}
this->at_update_ = (this->at_update_ + 1) % this->full_update_every_;
}
// Set x & y regions we want to write to (full)
this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_START_END_POSITION);
this->data(0x00);
this->data((this->get_width_internal() - 1) >> 3);
this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_START_END_POSITION);
this->data(0x00);
this->data(0x00);
this->data(this->get_height_internal() - 1);
this->data((this->get_height_internal() - 1) >> 8);
this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_COUNTER);
this->data(0x00);
this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_COUNTER);
this->data(0x00);
this->data(0x00);
if (!this->wait_until_idle_()) {
this->status_set_warning();
return;
}
this->command(WAVESHARE_EPAPER_COMMAND_WRITE_RAM);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
this->command(WAVESHARE_EPAPER_COMMAND_DISPLAY_UPDATE_CONTROL_2);
this->data(0xC4);
this->command(WAVESHARE_EPAPER_COMMAND_MASTER_ACTIVATION);
this->command(WAVESHARE_EPAPER_COMMAND_TERMINATE_FRAME_READ_WRITE);
this->status_clear_warning();
}
int WaveshareEPaperTypeA::get_width_internal() {
switch (this->model_) {
case WAVESHARE_EPAPER_1_54_IN:
return 200;
case WAVESHARE_EPAPER_2_13_IN:
return 128;
case WAVESHARE_EPAPER_2_9_IN:
return 128;
}
return 0;
}
int WaveshareEPaperTypeA::get_height_internal() {
switch (this->model_) {
case WAVESHARE_EPAPER_1_54_IN:
return 200;
case WAVESHARE_EPAPER_2_13_IN:
return 250;
case WAVESHARE_EPAPER_2_9_IN:
return 296;
}
return 0;
}
void WaveshareEPaperTypeA::write_lut_(const uint8_t *lut) {
this->command(WAVESHARE_EPAPER_COMMAND_WRITE_LUT_REGISTER);
for (uint8_t i = 0; i < 30; i++)
this->data(lut[i]);
}
WaveshareEPaperTypeA::WaveshareEPaperTypeA(WaveshareEPaperTypeAModel model) : model_(model) {}
void WaveshareEPaperTypeA::set_full_update_every(uint32_t full_update_every) {
this->full_update_every_ = full_update_every;
}
// ========================================================
// Type B
// ========================================================
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING = 0x00;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING = 0x01;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_OFF = 0x02;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_OFF_SEQUENCE_SETTING = 0x03;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_ON = 0x04;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_MEASURE = 0x05;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START = 0x06;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DEEP_SLEEP = 0x07;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1 = 0x10;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DATA_STOP = 0x11;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH = 0x12;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_2 = 0x13;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DATA_START_TRANSMISSION_1 = 0x14;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DATA_START_TRANSMISSION_2 = 0x15;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DISPLAY_REFRESH = 0x16;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_FOR_VCOM = 0x20;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_WHITE = 0x21;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_WHITE = 0x22;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_BLACK = 0x23;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_BLACK = 0x24;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL = 0x30;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_COMMAND = 0x40;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_CALIBRATION = 0x41;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_WRITE = 0x42;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_READ = 0x43;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_VCOM_AND_DATA_INTERVAL_SETTING = 0x50;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LOW_POWER_DETECTION = 0x51;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TCON_SETTING = 0x60;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_RESOLUTION_SETTING = 0x61;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_GET_STATUS = 0x71;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_AUTO_MEASURE_VCOM = 0x80;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_VCOM_VALUE = 0x81;
static const uint8_t WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER = 0x82;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_WINDOW = 0x90;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_IN = 0x91;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_OUT = 0x92;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PROGRAM_MODE = 0xA0;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_ACTIVE_PROGRAM = 0xA1;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_READ_OTP_DATA = 0xA2;
// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_SAVING = 0xE3;
static const uint8_t LUT_VCOM_DC_2_7[44] = {
0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x05, 0x00, 0x32, 0x32, 0x00, 0x00, 0x02, 0x00,
0x0F, 0x0F, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_WHITE_TO_WHITE_2_7[42] = {
0x50, 0x0F, 0x0F, 0x00, 0x00, 0x05, 0x60, 0x32, 0x32, 0x00, 0x00, 0x02, 0xA0, 0x0F,
0x0F, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_BLACK_TO_WHITE_2_7[42] = {
0x50, 0x0F, 0x0F, 0x00, 0x00, 0x05, 0x60, 0x32, 0x32, 0x00, 0x00, 0x02, 0xA0, 0x0F,
0x0F, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_WHITE_TO_BLACK_2_7[] = {
0xA0, 0x0F, 0x0F, 0x00, 0x00, 0x05, 0x60, 0x32, 0x32, 0x00, 0x00, 0x02, 0x50, 0x0F,
0x0F, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_BLACK_TO_BLACK_2_7[42] = {
0xA0, 0x0F, 0x0F, 0x00, 0x00, 0x05, 0x60, 0x32, 0x32, 0x00, 0x00, 0x02, 0x50, 0x0F,
0x0F, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
void WaveshareEPaper2P7In::setup() {
this->setup_pins_();
// this->buffer_.init(this->get_width_(), this->get_height_());
this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING);
this->data(0x03); // VDS_EN, VDG_EN
this->data(0x00); // VCOM_HV, VGHL_LV[1], VGHL_LV[0]
this->data(0x2B); // VDH
this->data(0x2B); // VDL
this->data(0x09); // VDHR
this->command(WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START);
this->data(0x07);
this->data(0x07);
this->data(0x17);
// Power optimization - ???
this->command(0xF8);
this->data(0x60);
this->data(0xA5);
this->command(0xF8);
this->data(0x89);
this->data(0xA5);
this->command(0xF8);
this->data(0x90);
this->data(0x00);
this->command(0xF8);
this->data(0x93);
this->data(0x2A);
this->command(0xF8);
this->data(0xA0);
this->data(0xA5);
this->command(0xF8);
this->data(0xA1);
this->data(0x00);
this->command(0xF8);
this->data(0x73);
this->data(0x41);
this->command(WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DISPLAY_REFRESH);
this->data(0x00);
this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_ON);
this->wait_until_idle_();
delay(10);
this->command(WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING);
this->data(0xAF); // KW-BF KWR-AF BWROTP 0f
this->command(WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL);
this->data(0x3A); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
this->command(WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER);
this->data(0x12);
delay(2);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_FOR_VCOM);
for (uint8_t i : LUT_VCOM_DC_2_7)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_WHITE);
for (uint8_t i : LUT_WHITE_TO_WHITE_2_7)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_WHITE);
for (uint8_t i : LUT_BLACK_TO_WHITE_2_7)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_BLACK);
for (uint8_t i : LUT_WHITE_TO_BLACK_2_7)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_BLACK);
for (uint8_t i : LUT_BLACK_TO_BLACK_2_7)
this->data(i);
}
void HOT WaveshareEPaper2P7In::display() {
// TODO check active frame buffer to only transmit once / use partial transmits
this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
delay(2);
this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_2);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
this->command(WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH);
}
int WaveshareEPaper2P7In::get_width_internal() { return 176; }
int WaveshareEPaper2P7In::get_height_internal() { return 264; }
void WaveshareEPaper2P7In::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.7in");
LOG_PIN(" Reset Pin: ", this->reset_pin_);
LOG_PIN(" DC Pin: ", this->dc_pin_);
LOG_PIN(" Busy Pin: ", this->busy_pin_);
LOG_UPDATE_INTERVAL(this);
}
static const uint8_t LUT_VCOM_DC_4_2[] = {
0x00, 0x17, 0x00, 0x00, 0x00, 0x02, 0x00, 0x17, 0x17, 0x00, 0x00, 0x02, 0x00, 0x0A, 0x01,
0x00, 0x00, 0x01, 0x00, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_WHITE_TO_WHITE_4_2[] = {
0x40, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x40, 0x0A,
0x01, 0x00, 0x00, 0x01, 0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_BLACK_TO_WHITE_4_2[] = {
0x40, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x40, 0x0A,
0x01, 0x00, 0x00, 0x01, 0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_BLACK_TO_BLACK_4_2[] = {
0x80, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x80, 0x0A,
0x01, 0x00, 0x00, 0x01, 0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t LUT_WHITE_TO_BLACK_4_2[] = {
0x80, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x80, 0x0A,
0x01, 0x00, 0x00, 0x01, 0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
void WaveshareEPaper4P2In::setup() {
this->setup_pins_();
this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING);
this->data(0x03); // VDS_EN, VDG_EN
this->data(0x00); // VCOM_HV, VGHL_LV[1], VGHL_LV[0]
this->data(0x2B); // VDH
this->data(0x2B); // VDL
this->data(0xFF); // VDHR
this->command(WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START);
this->data(0x17);
this->data(0x17);
this->data(0x17);
this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_ON);
this->wait_until_idle_();
delay(10);
this->command(WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING);
this->data(0xBF); // KW-BF KWR-AF BWROTP 0f
this->data(0x0B);
this->command(WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL);
this->data(0x3C); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
delay(2);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_FOR_VCOM);
for (uint8_t i : LUT_VCOM_DC_4_2)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_WHITE);
for (uint8_t i : LUT_WHITE_TO_WHITE_4_2)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_WHITE);
for (uint8_t i : LUT_BLACK_TO_WHITE_4_2)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_BLACK);
for (uint8_t i : LUT_WHITE_TO_BLACK_4_2)
this->data(i);
this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_BLACK);
for (uint8_t i : LUT_BLACK_TO_BLACK_4_2)
this->data(i);
}
void HOT WaveshareEPaper4P2In::display() {
this->command(WAVESHARE_EPAPER_B_COMMAND_RESOLUTION_SETTING);
this->data(0x01);
this->data(0x90);
this->data(0x01);
this->data(0x2C);
this->command(WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER);
this->data(0x12);
this->command(WAVESHARE_EPAPER_B_COMMAND_VCOM_AND_DATA_INTERVAL_SETTING);
this->data(0x97);
// TODO check active frame buffer to only transmit once / use partial transmits
this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
delay(2);
this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_2);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
this->command(WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH);
}
int WaveshareEPaper4P2In::get_width_internal() { return 400; }
int WaveshareEPaper4P2In::get_height_internal() { return 300; }
bool WaveshareEPaper4P2In::is_device_high_speed() { return false; }
void WaveshareEPaper4P2In::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 4.2in");
LOG_PIN(" Reset Pin: ", this->reset_pin_);
LOG_PIN(" DC Pin: ", this->dc_pin_);
LOG_PIN(" Busy Pin: ", this->busy_pin_);
LOG_UPDATE_INTERVAL(this);
}
void WaveshareEPaper7P5In::setup() {
this->setup_pins_();
this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING);
this->data(0x37);
this->data(0x00);
this->command(WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING);
this->data(0xCF);
this->data(0x0B);
this->command(WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START);
this->data(0xC7);
this->data(0xCC);
this->data(0x28);
this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_ON);
this->wait_until_idle_();
delay(10);
this->command(WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL);
this->data(0x3C);
this->command(WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_CALIBRATION);
this->data(0x00);
this->command(WAVESHARE_EPAPER_B_COMMAND_VCOM_AND_DATA_INTERVAL_SETTING);
this->data(0x77);
this->command(WAVESHARE_EPAPER_B_COMMAND_TCON_SETTING);
this->data(0x22);
this->command(WAVESHARE_EPAPER_B_COMMAND_RESOLUTION_SETTING);
this->data(0x02);
this->data(0x80);
this->data(0x01);
this->data(0x80);
this->command(WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER);
this->data(0x1E);
this->command(0xE5);
this->data(0x03);
}
void HOT WaveshareEPaper7P5In::display() {
this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++) {
uint8_t temp1 = this->buffer_[i];
for (uint8_t j = 0; j < 8; j++) {
uint8_t temp2;
if (temp1 & 0x80)
temp2 = 0x03;
else
temp2 = 0x00;
temp2 <<= 4;
temp1 <<= 1;
j++;
if (temp1 & 0x80)
temp2 |= 0x03;
else
temp2 |= 0x00;
temp1 <<= 1;
this->write_byte(temp2);
}
App.feed_wdt();
}
this->end_data_();
this->command(WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH);
}
int WaveshareEPaper7P5In::get_width_internal() { return 640; }
int WaveshareEPaper7P5In::get_height_internal() { return 384; }
void WaveshareEPaper7P5In::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5in");
LOG_PIN(" Reset Pin: ", this->reset_pin_);
LOG_PIN(" DC Pin: ", this->dc_pin_);
LOG_PIN(" Busy Pin: ", this->busy_pin_);
LOG_UPDATE_INTERVAL(this);
}
} // namespace waveshare_epaper
} // namespace esphome
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