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esphome/esphome/components/waveshare_epaper/waveshare_epaper.cpp

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#include "waveshare_epaper.h"
#include "esphome/core/log.h"
#include "esphome/core/application.h"
#include "esphome/core/helpers.h"
#include <cinttypes>
namespace esphome {
namespace waveshare_epaper {
static const char *const TAG = "waveshare_epaper";
static const uint8_t LUT_SIZE_WAVESHARE = 30;
static const uint8_t FULL_UPDATE_LUT[LUT_SIZE_WAVESHARE] = {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[LUT_SIZE_WAVESHARE] = {
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};
static const uint8_t LUT_SIZE_TTGO = 70;
static const uint8_t FULL_UPDATE_LUT_TTGO[LUT_SIZE_TTGO] = {
0x80, 0x60, 0x40, 0x00, 0x00, 0x00, 0x00, // LUT0: BB: VS 0 ~7
0x10, 0x60, 0x20, 0x00, 0x00, 0x00, 0x00, // LUT1: BW: VS 0 ~7
0x80, 0x60, 0x40, 0x00, 0x00, 0x00, 0x00, // LUT2: WB: VS 0 ~7
0x10, 0x60, 0x20, 0x00, 0x00, 0x00, 0x00, // LUT3: WW: VS 0 ~7
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT4: VCOM: VS 0 ~7
0x03, 0x03, 0x00, 0x00, 0x02, // TP0 A~D RP0
0x09, 0x09, 0x00, 0x00, 0x02, // TP1 A~D RP1
0x03, 0x03, 0x00, 0x00, 0x02, // TP2 A~D RP2
0x00, 0x00, 0x00, 0x00, 0x00, // TP3 A~D RP3
0x00, 0x00, 0x00, 0x00, 0x00, // TP4 A~D RP4
0x00, 0x00, 0x00, 0x00, 0x00, // TP5 A~D RP5
0x00, 0x00, 0x00, 0x00, 0x00, // TP6 A~D RP6
};
static const uint8_t PARTIAL_UPDATE_LUT_TTGO[LUT_SIZE_TTGO] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT0: BB: VS 0 ~7
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT1: BW: VS 0 ~7
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT2: WB: VS 0 ~7
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT3: WW: VS 0 ~7
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT4: VCOM: VS 0 ~7
0x0A, 0x00, 0x00, 0x00, 0x00, // TP0 A~D RP0
0x00, 0x00, 0x00, 0x00, 0x00, // TP1 A~D RP1
0x00, 0x00, 0x00, 0x00, 0x00, // TP2 A~D RP2
0x00, 0x00, 0x00, 0x00, 0x00, // TP3 A~D RP3
0x00, 0x00, 0x00, 0x00, 0x00, // TP4 A~D RP4
0x00, 0x00, 0x00, 0x00, 0x00, // TP5 A~D RP5
0x00, 0x00, 0x00, 0x00, 0x00, // TP6 A~D RP6
};
static const uint8_t LUT_SIZE_TTGO_B73 = 100;
static const uint8_t FULL_UPDATE_LUT_TTGO_B73[LUT_SIZE_TTGO_B73] = {
0xA0, 0x90, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x90, 0xA0, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xA0, 0x90, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x90, 0xA0, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x03, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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 PARTIAL_UPDATE_LUT_TTGO_B73[LUT_SIZE_TTGO_B73] = {
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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_SIZE_TTGO_B1 = 29;
static const uint8_t FULL_UPDATE_LUT_TTGO_B1[LUT_SIZE_TTGO_B1] = {
0x22, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x01, 0x00, 0x00, 0x00, 0x00};
static const uint8_t PARTIAL_UPDATE_LUT_TTGO_B1[LUT_SIZE_TTGO_B1] = {
0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x0F, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
// clang-format off
// Disable formatting to preserve the same look as in Waveshare examples
static const uint8_t PARTIAL_UPD_2IN9_LUT_SIZE = 159;
static const uint8_t PARTIAL_UPD_2IN9_LUT[PARTIAL_UPD_2IN9_LUT_SIZE] =
{
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x40, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00,
0x22, 0x17, 0x41, 0xB0, 0x32, 0x36,
};
// clang-format on
void WaveshareEPaperBase::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();
this->reset_();
}
float WaveshareEPaperBase::get_setup_priority() const { return setup_priority::PROCESSOR; }
void WaveshareEPaperBase::command(uint8_t value) {
this->start_command_();
this->write_byte(value);
this->end_command_();
}
void WaveshareEPaperBase::data(uint8_t value) {
this->start_data_();
this->write_byte(value);
this->end_data_();
}
// write a command followed by one or more bytes of data.
// The command is the first byte, length is the total including cmd.
void WaveshareEPaperBase::cmd_data(const uint8_t *c_data, size_t length) {
this->dc_pin_->digital_write(false);
this->enable();
this->write_byte(c_data[0]);
this->dc_pin_->digital_write(true);
this->write_array(c_data + 1, length - 1);
this->disable();
}
bool WaveshareEPaperBase::wait_until_idle_() {
if (this->busy_pin_ == nullptr || !this->busy_pin_->digital_read()) {
return true;
}
const uint32_t start = millis();
while (this->busy_pin_->digital_read()) {
if (millis() - start > this->idle_timeout_()) {
ESP_LOGE(TAG, "Timeout while displaying image!");
return false;
}
delay(1);
}
return true;
}
void WaveshareEPaperBase::update() {
this->do_update_();
this->display();
}
void WaveshareEPaper::fill(Color color) {
// flip logic
const uint8_t fill = color.is_on() ? 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, Color 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_controller()) / 8u;
const uint8_t subpos = x & 0x07;
// flip logic
if (!color.is_on()) {
this->buffer_[pos] |= 0x80 >> subpos;
} else {
this->buffer_[pos] &= ~(0x80 >> subpos);
}
}
uint32_t WaveshareEPaper::get_buffer_length_() {
return this->get_width_controller() * this->get_height_internal() / 8u;
} // just a black buffer
uint32_t WaveshareEPaperBWR::get_buffer_length_() {
return this->get_width_controller() * this->get_height_internal() / 4u;
} // black and red buffer
void WaveshareEPaperBWR::fill(Color color) {
this->filled_rectangle(0, 0, this->get_width(), this->get_height(), color);
}
void HOT WaveshareEPaperBWR::draw_absolute_pixel_internal(int x, int y, Color color) {
if (x >= this->get_width_internal() || y >= this->get_height_internal() || x < 0 || y < 0)
return;
const uint32_t buf_half_len = this->get_buffer_length_() / 2u;
const uint32_t pos = (x + y * this->get_width_internal()) / 8u;
const uint8_t subpos = x & 0x07;
// flip logic
if (color.is_on()) {
this->buffer_[pos] |= 0x80 >> subpos;
} else {
this->buffer_[pos] &= ~(0x80 >> subpos);
}
// draw red pixels only, if the color contains red only
if (((color.red > 0) && (color.green == 0) && (color.blue == 0))) {
this->buffer_[pos + buf_half_len] |= 0x80 >> subpos;
} else {
this->buffer_[pos + buf_half_len] &= ~(0x80 >> subpos);
}
}
void WaveshareEPaperBase::start_command_() {
this->dc_pin_->digital_write(false);
this->enable();
}
void WaveshareEPaperBase::end_command_() { this->disable(); }
void WaveshareEPaperBase::start_data_() {
this->dc_pin_->digital_write(true);
this->enable();
}
void WaveshareEPaperBase::end_data_() { this->disable(); }
void WaveshareEPaperBase::on_safe_shutdown() { this->deep_sleep(); }
// ========================================================
// Type A
// ========================================================
void WaveshareEPaperTypeA::initialize() {
// Achieve display intialization
this->init_display_();
// If a reset pin is configured, eligible displays can be set to deep sleep
// between updates, as recommended by the hardware provider
if (this->reset_pin_ != nullptr) {
switch (this->model_) {
// More models can be added here to enable deep sleep if eligible
case WAVESHARE_EPAPER_1_54_IN:
case WAVESHARE_EPAPER_1_54_IN_V2:
this->deep_sleep_between_updates_ = true;
ESP_LOGI(TAG, "Set the display to deep sleep");
this->deep_sleep();
break;
default:
break;
}
}
}
void WaveshareEPaperTypeA::init_display_() {
if (this->model_ == TTGO_EPAPER_2_13_IN_B74 || this->model_ == WAVESHARE_EPAPER_2_13_IN_V2) {
if (this->reset_pin_ != nullptr) {
this->reset_pin_->digital_write(false);
delay(10);
this->reset_pin_->digital_write(true);
delay(10);
this->wait_until_idle_();
}
this->command(0x12); // SWRESET
this->wait_until_idle_();
}
// COMMAND DRIVER OUTPUT CONTROL
this->command(0x01);
this->data(this->get_height_internal() - 1);
this->data((this->get_height_internal() - 1) >> 8);
this->data(0x00); // ? GD = 0, SM = 0, TB = 0
// COMMAND BOOSTER SOFT START CONTROL
this->command(0x0C);
this->data(0xD7);
this->data(0xD6);
this->data(0x9D);
// COMMAND WRITE VCOM REGISTER
this->command(0x2C);
this->data(0xA8);
// COMMAND SET DUMMY LINE PERIOD
this->command(0x3A);
this->data(0x1A);
// COMMAND SET GATE TIME
this->command(0x3B);
this->data(0x08); // 2µs per row
// COMMAND DATA ENTRY MODE SETTING
this->command(0x11);
switch (this->model_) {
case TTGO_EPAPER_2_13_IN_B1:
this->data(0x01); // x increase, y decrease : as in demo code
break;
case TTGO_EPAPER_2_13_IN_B74:
case WAVESHARE_EPAPER_2_9_IN_V2:
this->data(0x03); // from top left to bottom right
// RAM content option for Display Update
this->command(0x21);
this->data(0x00);
this->data(0x80);
break;
default:
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_1_54_IN_V2:
ESP_LOGCONFIG(TAG, " Model: 1.54inV2");
break;
case WAVESHARE_EPAPER_2_13_IN:
ESP_LOGCONFIG(TAG, " Model: 2.13in");
break;
case WAVESHARE_EPAPER_2_13_IN_V2:
ESP_LOGCONFIG(TAG, " Model: 2.13inV2");
break;
case TTGO_EPAPER_2_13_IN:
ESP_LOGCONFIG(TAG, " Model: 2.13in (TTGO)");
break;
case TTGO_EPAPER_2_13_IN_B73:
ESP_LOGCONFIG(TAG, " Model: 2.13in (TTGO B73)");
break;
case TTGO_EPAPER_2_13_IN_B74:
ESP_LOGCONFIG(TAG, " Model: 2.13in (TTGO B74)");
break;
case TTGO_EPAPER_2_13_IN_B1:
ESP_LOGCONFIG(TAG, " Model: 2.13in (TTGO B1)");
break;
case WAVESHARE_EPAPER_2_9_IN:
ESP_LOGCONFIG(TAG, " Model: 2.9in");
break;
case WAVESHARE_EPAPER_2_9_IN_V2:
ESP_LOGCONFIG(TAG, " Model: 2.9inV2");
break;
}
ESP_LOGCONFIG(TAG, " Full Update Every: %" PRIu32, 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() {
bool full_update = this->at_update_ == 0;
bool prev_full_update = this->at_update_ == 1;
if (this->deep_sleep_between_updates_) {
ESP_LOGI(TAG, "Wake up the display");
this->reset_();
this->wait_until_idle_();
this->init_display_();
}
if (!this->wait_until_idle_()) {
this->status_set_warning();
return;
}
if (this->full_update_every_ >= 1) {
if (full_update != prev_full_update) {
switch (this->model_) {
case TTGO_EPAPER_2_13_IN:
case WAVESHARE_EPAPER_2_13_IN_V2:
// Waveshare 2.13" V2 uses the same LUTs as TTGO
this->write_lut_(full_update ? FULL_UPDATE_LUT_TTGO : PARTIAL_UPDATE_LUT_TTGO, LUT_SIZE_TTGO);
break;
case TTGO_EPAPER_2_13_IN_B73:
this->write_lut_(full_update ? FULL_UPDATE_LUT_TTGO_B73 : PARTIAL_UPDATE_LUT_TTGO_B73, LUT_SIZE_TTGO_B73);
break;
case TTGO_EPAPER_2_13_IN_B74:
// there is no LUT
break;
case TTGO_EPAPER_2_13_IN_B1:
this->write_lut_(full_update ? FULL_UPDATE_LUT_TTGO_B1 : PARTIAL_UPDATE_LUT_TTGO_B1, LUT_SIZE_TTGO_B1);
break;
default:
this->write_lut_(full_update ? FULL_UPDATE_LUT : PARTIAL_UPDATE_LUT, LUT_SIZE_WAVESHARE);
}
}
this->at_update_ = (this->at_update_ + 1) % this->full_update_every_;
}
if (this->model_ == WAVESHARE_EPAPER_2_13_IN_V2) {
// Set VCOM for full or partial update
this->command(0x2C);
this->data(full_update ? 0x55 : 0x26);
if (!full_update) {
// Enable "ping-pong"
this->command(0x37);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x40);
this->data(0x00);
this->data(0x00);
this->command(0x22);
this->data(0xc0);
this->command(0x20);
}
}
// Border waveform
switch (this->model_) {
case TTGO_EPAPER_2_13_IN_B74:
this->command(0x3C);
this->data(full_update ? 0x05 : 0x80);
break;
case WAVESHARE_EPAPER_2_13_IN_V2:
this->command(0x3C);
this->data(full_update ? 0x03 : 0x01);
break;
default:
break;
}
// Set x & y regions we want to write to (full)
switch (this->model_) {
case TTGO_EPAPER_2_13_IN_B1:
// COMMAND SET RAM X ADDRESS START END POSITION
this->command(0x44);
this->data(0x00);
this->data((this->get_width_controller() - 1) >> 3);
// COMMAND SET RAM Y ADDRESS START END POSITION
this->command(0x45);
this->data(this->get_height_internal() - 1);
this->data((this->get_height_internal() - 1) >> 8);
this->data(0x00);
this->data(0x00);
// COMMAND SET RAM X ADDRESS COUNTER
this->command(0x4E);
this->data(0x00);
// COMMAND SET RAM Y ADDRESS COUNTER
this->command(0x4F);
this->data(this->get_height_internal() - 1);
this->data((this->get_height_internal() - 1) >> 8);
break;
default:
// COMMAND SET RAM X ADDRESS START END POSITION
this->command(0x44);
this->data(0x00);
this->data((this->get_width_internal() - 1) >> 3);
// COMMAND SET RAM Y ADDRESS START END POSITION
this->command(0x45);
this->data(0x00);
this->data(0x00);
this->data(this->get_height_internal() - 1);
this->data((this->get_height_internal() - 1) >> 8);
// COMMAND SET RAM X ADDRESS COUNTER
this->command(0x4E);
this->data(0x00);
// COMMAND SET RAM Y ADDRESS COUNTER
this->command(0x4F);
this->data(0x00);
this->data(0x00);
}
if (!this->wait_until_idle_()) {
this->status_set_warning();
return;
}
// COMMAND WRITE RAM
this->command(0x24);
this->start_data_();
switch (this->model_) {
case TTGO_EPAPER_2_13_IN_B1: { // block needed because of variable initializations
int16_t wb = ((this->get_width_internal()) >> 3);
for (int i = 0; i < this->get_height_internal(); i++) {
for (int j = 0; j < wb; j++) {
int idx = j + (this->get_height_internal() - 1 - i) * wb;
this->write_byte(this->buffer_[idx]);
}
}
break;
}
default:
this->write_array(this->buffer_, this->get_buffer_length_());
}
this->end_data_();
if (this->model_ == WAVESHARE_EPAPER_2_13_IN_V2 && full_update) {
// Write base image again on full refresh
this->command(0x26);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
}
// COMMAND DISPLAY UPDATE CONTROL 2
this->command(0x22);
switch (this->model_) {
case WAVESHARE_EPAPER_2_9_IN_V2:
case WAVESHARE_EPAPER_1_54_IN_V2:
case TTGO_EPAPER_2_13_IN_B74:
this->data(full_update ? 0xF7 : 0xFF);
break;
case TTGO_EPAPER_2_13_IN_B73:
this->data(0xC7);
break;
case WAVESHARE_EPAPER_2_13_IN_V2:
this->data(full_update ? 0xC7 : 0x0C);
break;
default:
this->data(0xC4);
break;
}
// COMMAND MASTER ACTIVATION
this->command(0x20);
// COMMAND TERMINATE FRAME READ WRITE
this->command(0xFF);
this->status_clear_warning();
if (this->deep_sleep_between_updates_) {
ESP_LOGI(TAG, "Set the display back to deep sleep");
this->deep_sleep();
}
}
int WaveshareEPaperTypeA::get_width_internal() {
switch (this->model_) {
case WAVESHARE_EPAPER_1_54_IN:
case WAVESHARE_EPAPER_1_54_IN_V2:
return 200;
case WAVESHARE_EPAPER_2_13_IN:
case WAVESHARE_EPAPER_2_13_IN_V2:
case TTGO_EPAPER_2_13_IN:
case TTGO_EPAPER_2_13_IN_B73:
case TTGO_EPAPER_2_13_IN_B74:
case TTGO_EPAPER_2_13_IN_B1:
return 122;
case WAVESHARE_EPAPER_2_9_IN:
case WAVESHARE_EPAPER_2_9_IN_V2:
return 128;
}
return 0;
}
// The controller of the 2.13" displays has a buffer larger than screen size
int WaveshareEPaperTypeA::get_width_controller() {
switch (this->model_) {
case WAVESHARE_EPAPER_2_13_IN:
case WAVESHARE_EPAPER_2_13_IN_V2:
case TTGO_EPAPER_2_13_IN:
case TTGO_EPAPER_2_13_IN_B73:
case TTGO_EPAPER_2_13_IN_B74:
case TTGO_EPAPER_2_13_IN_B1:
return 128;
default:
return this->get_width_internal();
}
}
int WaveshareEPaperTypeA::get_height_internal() {
switch (this->model_) {
case WAVESHARE_EPAPER_1_54_IN:
case WAVESHARE_EPAPER_1_54_IN_V2:
return 200;
case WAVESHARE_EPAPER_2_13_IN:
case WAVESHARE_EPAPER_2_13_IN_V2:
case TTGO_EPAPER_2_13_IN:
case TTGO_EPAPER_2_13_IN_B73:
case TTGO_EPAPER_2_13_IN_B74:
case TTGO_EPAPER_2_13_IN_B1:
return 250;
case WAVESHARE_EPAPER_2_9_IN:
case WAVESHARE_EPAPER_2_9_IN_V2:
return 296;
}
return 0;
}
void WaveshareEPaperTypeA::write_lut_(const uint8_t *lut, const uint8_t size) {
// COMMAND WRITE LUT REGISTER
this->command(0x32);
for (uint8_t i = 0; i < size; 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;
}
uint32_t WaveshareEPaperTypeA::idle_timeout_() {
switch (this->model_) {
case WAVESHARE_EPAPER_1_54_IN:
case WAVESHARE_EPAPER_1_54_IN_V2:
case WAVESHARE_EPAPER_2_13_IN_V2:
case TTGO_EPAPER_2_13_IN_B1:
return 2500;
default:
return WaveshareEPaperBase::idle_timeout_();
}
}
// ========================================================
// Type B
// ========================================================
// Datasheet:
// - https://www.waveshare.com/w/upload/7/7f/4.2inch-e-paper-b-specification.pdf
// - https://github.com/soonuse/epd-library-arduino/blob/master/4.2inch_e-paper/epd4in2/
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::initialize() {
// command power setting
this->command(0x01);
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
// command booster soft start
this->command(0x06);
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);
// command partial display refresh
this->command(0x16);
this->data(0x00);
// command power on
this->command(0x04);
this->wait_until_idle_();
delay(10);
// Command panel setting
this->command(0x00);
this->data(0xAF); // KW-BF KWR-AF BWROTP 0f
// command pll control
this->command(0x30);
this->data(0x3A); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
// COMMAND VCM DC SETTING
this->command(0x82);
this->data(0x12);
delay(2);
// COMMAND LUT FOR VCOM
this->command(0x20);
for (uint8_t i : LUT_VCOM_DC_2_7)
this->data(i);
// COMMAND LUT WHITE TO WHITE
this->command(0x21);
for (uint8_t i : LUT_WHITE_TO_WHITE_2_7)
this->data(i);
// COMMAND LUT BLACK TO WHITE
this->command(0x22);
for (uint8_t i : LUT_BLACK_TO_WHITE_2_7)
this->data(i);
// COMMAND LUT WHITE TO BLACK
this->command(0x23);
for (uint8_t i : LUT_WHITE_TO_BLACK_2_7)
this->data(i);
// COMMAND LUT BLACK TO BLACK
this->command(0x24);
for (uint8_t i : LUT_BLACK_TO_BLACK_2_7)
this->data(i);
}
void HOT WaveshareEPaper2P7In::display() {
uint32_t buf_len = this->get_buffer_length_();
// COMMAND DATA START TRANSMISSION 1
this->command(0x10);
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(this->buffer_[i]);
}
delay(2);
// COMMAND DATA START TRANSMISSION 2
this->command(0x13);
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(this->buffer_[i]);
}
// COMMAND DISPLAY REFRESH
this->command(0x12);
}
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);
}
void WaveshareEPaper2P7InV2::initialize() {
this->reset_();
this->wait_until_idle_();
this->command(0x12); // SWRESET
this->wait_until_idle_();
// SET WINDOWS
// XRAM_START_AND_END_POSITION
this->command(0x44);
this->data(0x00);
this->data(((get_width_internal() - 1) >> 3) & 0xFF);
// YRAM_START_AND_END_POSITION
this->command(0x45);
this->data(0x00);
this->data(0x00);
this->data((get_height_internal() - 1) & 0xFF);
this->data(((get_height_internal() - 1) >> 8) & 0xFF);
// SET CURSOR
// XRAM_ADDRESS
this->command(0x4E);
this->data(0x00);
// YRAM_ADDRESS
this->command(0x4F);
this->data(0x00);
this->data(0x00);
this->command(0x11); // data entry mode
this->data(0x03);
}
void HOT WaveshareEPaper2P7InV2::display() {
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// COMMAND DISPLAY REFRESH
this->command(0x22);
this->data(0xF7);
this->command(0x20);
}
int WaveshareEPaper2P7InV2::get_width_internal() { return 176; }
int WaveshareEPaper2P7InV2::get_height_internal() { return 264; }
void WaveshareEPaper2P7InV2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.7in V2");
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);
}
// ========================================================
// 2.7inch_e-paper_b
// ========================================================
// Datasheet:
// - https://www.waveshare.com/w/upload/d/d8/2.7inch-e-paper-b-specification.pdf
// - https://github.com/waveshare/e-Paper/blob/master/RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_2in7b.c
static const uint8_t LUT_VCOM_DC_2_7B[44] = {0x00, 0x00, 0x00, 0x1A, 0x1A, 0x00, 0x00, 0x01, 0x00, 0x0A, 0x0A,
0x00, 0x00, 0x08, 0x00, 0x0E, 0x01, 0x0E, 0x01, 0x10, 0x00, 0x0A,
0x0A, 0x00, 0x00, 0x08, 0x00, 0x04, 0x10, 0x00, 0x00, 0x05, 0x00,
0x03, 0x0E, 0x00, 0x00, 0x0A, 0x00, 0x23, 0x00, 0x00, 0x00, 0x01};
static const uint8_t LUT_WHITE_TO_WHITE_2_7B[42] = {0x90, 0x1A, 0x1A, 0x00, 0x00, 0x01, 0x40, 0x0A, 0x0A, 0x00, 0x00,
0x08, 0x84, 0x0E, 0x01, 0x0E, 0x01, 0x10, 0x80, 0x0A, 0x0A, 0x00,
0x00, 0x08, 0x00, 0x04, 0x10, 0x00, 0x00, 0x05, 0x00, 0x03, 0x0E,
0x00, 0x00, 0x0A, 0x00, 0x23, 0x00, 0x00, 0x00, 0x01};
static const uint8_t LUT_BLACK_TO_WHITE_2_7B[42] = {0xA0, 0x1A, 0x1A, 0x00, 0x00, 0x01, 0x00, 0x0A, 0x0A, 0x00, 0x00,
0x08, 0x84, 0x0E, 0x01, 0x0E, 0x01, 0x10, 0x90, 0x0A, 0x0A, 0x00,
0x00, 0x08, 0xB0, 0x04, 0x10, 0x00, 0x00, 0x05, 0xB0, 0x03, 0x0E,
0x00, 0x00, 0x0A, 0xC0, 0x23, 0x00, 0x00, 0x00, 0x01};
static const uint8_t LUT_WHITE_TO_BLACK_2_7B[] = {0x90, 0x1A, 0x1A, 0x00, 0x00, 0x01, 0x20, 0x0A, 0x0A, 0x00, 0x00,
0x08, 0x84, 0x0E, 0x01, 0x0E, 0x01, 0x10, 0x10, 0x0A, 0x0A, 0x00,
0x00, 0x08, 0x00, 0x04, 0x10, 0x00, 0x00, 0x05, 0x00, 0x03, 0x0E,
0x00, 0x00, 0x0A, 0x00, 0x23, 0x00, 0x00, 0x00, 0x01};
static const uint8_t LUT_BLACK_TO_BLACK_2_7B[42] = {0x90, 0x1A, 0x1A, 0x00, 0x00, 0x01, 0x40, 0x0A, 0x0A, 0x00, 0x00,
0x08, 0x84, 0x0E, 0x01, 0x0E, 0x01, 0x10, 0x80, 0x0A, 0x0A, 0x00,
0x00, 0x08, 0x00, 0x04, 0x10, 0x00, 0x00, 0x05, 0x00, 0x03, 0x0E,
0x00, 0x00, 0x0A, 0x00, 0x23, 0x00, 0x00, 0x00, 0x01};
void WaveshareEPaper2P7InB::initialize() {
this->reset_();
// command power on
this->command(0x04);
this->wait_until_idle_();
delay(10);
// Command panel setting
this->command(0x00);
this->data(0xAF); // KW-BF KWR-AF BWROTP 0f
// command pll control
this->command(0x30);
this->data(0x3A); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
// command power setting
this->command(0x01);
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
// command booster soft start
this->command(0x06);
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(0x73);
this->data(0x41);
// COMMAND VCM DC SETTING
this->command(0x82);
this->data(0x12);
// VCOM_AND_DATA_INTERVAL_SETTING
this->command(0x50);
this->data(0x87); // define by OTP
delay(2);
// COMMAND LUT FOR VCOM
this->command(0x20);
for (uint8_t i : LUT_VCOM_DC_2_7B)
this->data(i);
// COMMAND LUT WHITE TO WHITE
this->command(0x21);
for (uint8_t i : LUT_WHITE_TO_WHITE_2_7B)
this->data(i);
// COMMAND LUT BLACK TO WHITE
this->command(0x22);
for (uint8_t i : LUT_BLACK_TO_WHITE_2_7B)
this->data(i);
// COMMAND LUT WHITE TO BLACK
this->command(0x23);
for (uint8_t i : LUT_WHITE_TO_BLACK_2_7B) {
this->data(i);
}
// COMMAND LUT BLACK TO BLACK
this->command(0x24);
for (uint8_t i : LUT_BLACK_TO_BLACK_2_7B) {
this->data(i);
}
delay(2);
}
void HOT WaveshareEPaper2P7InB::display() {
uint32_t buf_len_half = this->get_buffer_length_() >> 1;
this->initialize();
// TCON_RESOLUTION
this->command(0x61);
this->data(this->get_width_internal() >> 8);
this->data(this->get_width_internal() & 0xff); // 176
this->data(this->get_height_internal() >> 8);
this->data(this->get_height_internal() & 0xff); // 264
// COMMAND DATA START TRANSMISSION 1 (BLACK)
this->command(0x10);
delay(2);
for (uint32_t i = 0; i < buf_len_half; i++) {
this->data(this->buffer_[i]);
}
this->command(0x11);
delay(2);
// COMMAND DATA START TRANSMISSION 2 (RED)
this->command(0x13);
delay(2);
for (uint32_t i = buf_len_half; i < buf_len_half * 2u; i++) {
this->data(this->buffer_[i]);
}
this->command(0x11);
delay(2);
// COMMAND DISPLAY REFRESH
this->command(0x12);
this->wait_until_idle_();
this->deep_sleep();
}
int WaveshareEPaper2P7InB::get_width_internal() { return 176; }
int WaveshareEPaper2P7InB::get_height_internal() { return 264; }
void WaveshareEPaper2P7InB::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.7in B");
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);
}
// ========================================================
// 2.7inch_e-paper_b_v2
// ========================================================
// Datasheet:
// - https://www.waveshare.com/w/upload/7/7b/2.7inch-e-paper-b-v2-specification.pdf
// - https://github.com/waveshare/e-Paper/blob/master/RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_2in7b_V2.c
void WaveshareEPaper2P7InBV2::initialize() {
this->reset_();
this->wait_until_idle_();
this->command(0x12);
this->wait_until_idle_();
this->command(0x00);
this->data(0x27);
this->data(0x01);
this->data(0x00);
this->command(0x11);
this->data(0x03);
// self.SetWindows(0, 0, self.width-1, self.height-1)
// SetWindows(self, Xstart, Ystart, Xend, Yend):
uint32_t xend = this->get_width_internal() - 1;
uint32_t yend = this->get_height_internal() - 1;
this->command(0x44);
this->data(0x00);
this->data((xend >> 3) & 0xff);
this->command(0x45);
this->data(0x00);
this->data(0x00);
this->data(yend & 0xff);
this->data((yend >> 8) & 0xff);
// SetCursor(self, Xstart, Ystart):
this->command(0x4E);
this->data(0x00);
this->command(0x4F);
this->data(0x00);
this->data(0x00);
}
void HOT WaveshareEPaper2P7InBV2::display() {
uint32_t buf_len = this->get_buffer_length_();
// COMMAND DATA START TRANSMISSION 1 (BLACK)
this->command(0x24);
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(this->buffer_[i]);
}
delay(2);
// COMMAND DATA START TRANSMISSION 2 (RED)
this->command(0x26);
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(this->buffer_[i]);
}
delay(2);
this->command(0x20);
this->wait_until_idle_();
}
int WaveshareEPaper2P7InBV2::get_width_internal() { return 176; }
int WaveshareEPaper2P7InBV2::get_height_internal() { return 264; }
void WaveshareEPaper2P7InBV2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.7in B V2");
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);
}
// ========================================================
// 2.90in Type B (LUT from OTP)
// Datasheet:
// - https://www.waveshare.com/w/upload/b/bb/2.9inch-e-paper-b-specification.pdf
// - https://github.com/soonuse/epd-library-arduino/blob/master/2.9inch_e-paper_b/epd2in9b/epd2in9b.cpp
// ========================================================
void WaveshareEPaper2P9InB::initialize() {
// from https://www.waveshare.com/w/upload/b/bb/2.9inch-e-paper-b-specification.pdf, page 37
// EPD hardware init start
this->reset_();
// COMMAND BOOSTER SOFT START
this->command(0x06);
this->data(0x17);
this->data(0x17);
this->data(0x17);
// COMMAND POWER ON
this->command(0x04);
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
// 128x296 resolution: 10
// LUT from OTP: 0
// B/W mode (doesn't work): 1
// scan-up: 1
// shift-right: 1
// booster ON: 1
// no soft reset: 1
this->data(0x9F);
// COMMAND RESOLUTION SETTING
// set to 128x296 by COMMAND PANEL SETTING
// COMMAND VCOM AND DATA INTERVAL SETTING
// use defaults for white border and ESPHome image polarity
// EPD hardware init end
}
void HOT WaveshareEPaper2P9InB::display() {
// COMMAND DATA START TRANSMISSION 1 (B/W data)
this->command(0x10);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
delay(2);
// COMMAND DATA START TRANSMISSION 2 (RED data)
this->command(0x13);
delay(2);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++)
this->write_byte(0x00);
this->end_data_();
delay(2);
// COMMAND DISPLAY REFRESH
this->command(0x12);
delay(2);
this->wait_until_idle_();
// COMMAND POWER OFF
// NOTE: power off < deep sleep
this->command(0x02);
}
int WaveshareEPaper2P9InB::get_width_internal() { return 128; }
int WaveshareEPaper2P9InB::get_height_internal() { return 296; }
void WaveshareEPaper2P9InB::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.9in (B)");
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);
}
// ========================================================
// 2.90in Type B (LUT from OTP)
// Datasheet:
// - https://files.waveshare.com/upload/a/af/2.9inch-e-paper-b-v3-specification.pdf
// ========================================================
void WaveshareEPaper2P9InBV3::initialize() {
// from https://github.com/waveshareteam/e-Paper/blob/master/Arduino/epd2in9b_V3/epd2in9b_V3.cpp
this->reset_();
// COMMAND POWER ON
this->command(0x04);
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0x0F);
this->data(0x89);
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x80);
this->data(0x01);
this->data(0x28);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x77);
}
void HOT WaveshareEPaper2P9InBV3::display() {
// COMMAND DATA START TRANSMISSION 1 (B/W data)
this->command(0x10);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
this->command(0x92);
delay(2);
// COMMAND DATA START TRANSMISSION 2 (RED data)
this->command(0x13);
delay(2);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++)
this->write_byte(0xFF);
this->end_data_();
this->command(0x92);
delay(2);
// COMMAND DISPLAY REFRESH
this->command(0x12);
delay(2);
this->wait_until_idle_();
// COMMAND POWER OFF
// NOTE: power off < deep sleep
this->command(0x02);
}
int WaveshareEPaper2P9InBV3::get_width_internal() { return 128; }
int WaveshareEPaper2P9InBV3::get_height_internal() { return 296; }
void WaveshareEPaper2P9InBV3::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.9in (B) V3");
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);
}
// ========================================================
// 2.90in v2 rev2
// based on SDK and examples in ZIP file from:
// https://www.waveshare.com/pico-epaper-2.9.htm
// ========================================================
void WaveshareEPaper2P9InV2R2::initialize() {
this->reset_();
this->wait_until_idle_();
this->command(0x12); // SWRESET
this->wait_until_idle_();
this->command(0x01);
this->data(0x27);
this->data(0x01);
this->data(0x00);
this->command(0x11);
this->data(0x03);
// SetWindows(0, 0, w, h)
this->command(0x44);
this->data(0x00);
this->data(((this->get_width_controller() - 1) >> 3) & 0xFF);
this->command(0x45);
this->data(0x00);
this->data(0x00);
this->data((this->get_height_internal() - 1) & 0xFF);
this->data(((this->get_height_internal() - 1) >> 8) & 0xFF);
this->command(0x21);
this->data(0x00);
this->data(0x80);
// SetCursor(0, 0)
this->command(0x4E);
this->data(0x00);
this->command(0x4f);
this->data(0x00);
this->data(0x00);
this->wait_until_idle_();
}
WaveshareEPaper2P9InV2R2::WaveshareEPaper2P9InV2R2() { this->reset_duration_ = 10; }
void WaveshareEPaper2P9InV2R2::reset_() {
if (this->reset_pin_ != nullptr) {
this->reset_pin_->digital_write(false);
delay(reset_duration_); // NOLINT
this->reset_pin_->digital_write(true);
delay(reset_duration_); // NOLINT
}
}
void WaveshareEPaper2P9InV2R2::display() {
if (!this->wait_until_idle_()) {
this->status_set_warning();
ESP_LOGE(TAG, "fail idle 1");
return;
}
if (this->full_update_every_ == 1) {
// do single full update
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// TurnOnDisplay
this->command(0x22);
this->data(0xF7);
this->command(0x20);
return;
}
// if (this->full_update_every_ == 1 ||
if (this->at_update_ == 0) {
// do base update
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
this->command(0x26);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// TurnOnDisplay
this->command(0x22);
this->data(0xF7);
this->command(0x20);
} else {
// do partial update
this->reset_();
this->write_lut_(PARTIAL_UPD_2IN9_LUT, PARTIAL_UPD_2IN9_LUT_SIZE);
this->command(0x37);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x40);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->command(0x3C);
this->data(0x80);
this->command(0x22);
this->data(0xC0);
this->command(0x20);
if (!this->wait_until_idle_()) {
ESP_LOGE(TAG, "fail idle 2");
}
// SetWindows(0, 0, w, h)
this->command(0x44);
this->data(0x00);
this->data(((this->get_width_controller() - 1) >> 3) & 0xFF);
this->command(0x45);
this->data(0x00);
this->data(0x00);
this->data((this->get_height_internal() - 1) & 0xFF);
this->data(((this->get_height_internal() - 1) >> 8) & 0xFF);
// SetCursor(0, 0)
this->command(0x4E);
this->data(0x00);
this->command(0x4f);
this->data(0x00);
this->data(0x00);
// write b/w
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// TurnOnDisplayPartial
this->command(0x22);
this->data(0x0F);
this->command(0x20);
}
this->at_update_ = (this->at_update_ + 1) % this->full_update_every_;
}
void WaveshareEPaper2P9InV2R2::write_lut_(const uint8_t *lut, const uint8_t size) {
// COMMAND WRITE LUT REGISTER
this->command(0x32);
for (uint8_t i = 0; i < size; i++)
this->data(lut[i]);
}
void WaveshareEPaper2P9InV2R2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.9inV2R2");
ESP_LOGCONFIG(TAG, " Full Update Every: %" PRIu32, 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 WaveshareEPaper2P9InV2R2::deep_sleep() {
this->command(0x10);
this->data(0x01);
}
int WaveshareEPaper2P9InV2R2::get_width_internal() { return 128; }
int WaveshareEPaper2P9InV2R2::get_height_internal() { return 296; }
int WaveshareEPaper2P9InV2R2::get_width_controller() { return this->get_width_internal(); }
void WaveshareEPaper2P9InV2R2::set_full_update_every(uint32_t full_update_every) {
this->full_update_every_ = full_update_every;
}
// ========================================================
// Good Display 2.9in black/white/grey
// Datasheet:
// - https://v4.cecdn.yun300.cn/100001_1909185148/SSD1680.pdf
// - https://github.com/adafruit/Adafruit_EPD/blob/master/src/panels/ThinkInk_290_Grayscale4_T5.h
// ========================================================
void GDEY029T94::initialize() {
// from https://www.waveshare.com/w/upload/b/bb/2.9inch-e-paper-b-specification.pdf, page 37
// EPD hardware init start
this->reset_();
// COMMAND POWER SETTINGS
this->command(0x00);
this->data(0x03);
this->data(0x00);
this->data(0x2b);
this->data(0x2b);
this->data(0x03); /* for b/w */
// COMMAND BOOSTER SOFT START
this->command(0x06);
this->data(0x17);
this->data(0x17);
this->data(0x17);
// COMMAND POWER ON
this->command(0x04);
this->wait_until_idle_();
// Not sure what this does but it's in the Adafruit EPD library
this->command(0xFF);
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
// 128x296 resolution: 10
// LUT from OTP: 0
// B/W mode (doesn't work): 1
// scan-up: 1
// shift-right: 1
// booster ON: 1
// no soft reset: 1
this->data(0b10011111);
// COMMAND RESOLUTION SETTING
// set to 128x296 by COMMAND PANEL SETTING
// COMMAND VCOM AND DATA INTERVAL SETTING
// use defaults for white border and ESPHome image polarity
// EPD hardware init end
}
void HOT GDEY029T94::display() {
// COMMAND DATA START TRANSMISSION 2 (B/W only)
this->command(0x13);
delay(2);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++) {
this->write_byte(this->buffer_[i]);
}
this->end_data_();
delay(2);
// COMMAND DISPLAY REFRESH
this->command(0x12);
delay(2);
this->wait_until_idle_();
// COMMAND POWER OFF
// NOTE: power off < deep sleep
this->command(0x02);
}
int GDEY029T94::get_width_internal() { return 128; }
int GDEY029T94::get_height_internal() { return 296; }
void GDEY029T94::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper (Good Display)", this);
ESP_LOGCONFIG(TAG, " Model: 2.9in Greyscale GDEY029T94");
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);
}
// ========================================================
// Good Display 1.54in black/white/grey GDEW0154M09
// As used in M5Stack Core Ink
// Datasheet:
// - https://v4.cecdn.yun300.cn/100001_1909185148/GDEW0154M09-200709.pdf
// - https://github.com/m5stack/M5Core-Ink
// Reference code from GoodDisplay:
// - https://github.com/GoodDisplay/E-paper-Display-Library-of-GoodDisplay/
// -> /Monochrome_E-paper-Display/1.54inch_JD79653_GDEW0154M09_200x200/ESP32-Arduino%20IDE/GDEW0154M09_Arduino.ino
// M5Stack Core Ink spec:
// - https://docs.m5stack.com/en/core/coreink
// ========================================================
void GDEW0154M09::initialize() {
this->init_internal_();
ExternalRAMAllocator<uint8_t> allocator(ExternalRAMAllocator<uint8_t>::ALLOW_FAILURE);
this->lastbuff_ = allocator.allocate(this->get_buffer_length_());
if (this->lastbuff_ != nullptr) {
memset(this->lastbuff_, 0xff, sizeof(uint8_t) * this->get_buffer_length_());
}
this->clear_();
}
void GDEW0154M09::reset_() {
// RST is inverse from other einks in this project
if (this->reset_pin_ != nullptr) {
this->reset_pin_->digital_write(false);
delay(10);
this->reset_pin_->digital_write(true);
delay(10);
}
}
void GDEW0154M09::init_internal_() {
this->reset_();
// clang-format off
// 200x200 resolution: 11
// LUT from OTP: 0
// B/W mode (doesn't work): 1
// scan-up: 1
// shift-right: 1
// booster ON: 1
// no soft reset: 1
const uint8_t panel_setting_1 = 0b11011111;
// VCOM status off 0
// Temp sensing default 1
// VGL Power Off Floating 1
// NORG expect refresh 1
// VCOM Off on displ off 0
const uint8_t panel_setting_2 = 0b01110;
const uint8_t wf_t0154_cz_b3_list[] = {
11, // 11 commands in list
CMD_PSR_PANEL_SETTING, 2, panel_setting_1, panel_setting_2,
CMD_UNDOCUMENTED_0x4D, 1, 0x55,
CMD_UNDOCUMENTED_0xAA, 1, 0x0f,
CMD_UNDOCUMENTED_0xE9, 1, 0x02,
CMD_UNDOCUMENTED_0xB6, 1, 0x11,
CMD_UNDOCUMENTED_0xF3, 1, 0x0a,
CMD_TRES_RESOLUTION_SETTING, 3, 0xc8, 0x00, 0xc8,
CMD_TCON_TCONSETTING, 1, 0x00,
CMD_CDI_VCOM_DATA_INTERVAL, 1, 0xd7,
CMD_PWS_POWER_SAVING, 1, 0x00,
CMD_PON_POWER_ON, 0
};
// clang-format on
this->write_init_list_(wf_t0154_cz_b3_list);
delay(100); // NOLINT
this->wait_until_idle_();
}
void GDEW0154M09::write_init_list_(const uint8_t *list) {
uint8_t list_limit = list[0];
uint8_t *start_ptr = ((uint8_t *) list + 1);
for (uint8_t i = 0; i < list_limit; i++) {
this->command(*(start_ptr + 0));
for (uint8_t dnum = 0; dnum < *(start_ptr + 1); dnum++) {
this->data(*(start_ptr + 2 + dnum));
}
start_ptr += (*(start_ptr + 1) + 2);
}
}
void GDEW0154M09::clear_() {
uint32_t pixsize = this->get_buffer_length_();
for (uint8_t j = 0; j < 2; j++) {
this->command(CMD_DTM1_DATA_START_TRANS);
for (int count = 0; count < pixsize; count++) {
this->data(0x00);
}
this->command(CMD_DTM2_DATA_START_TRANS2);
for (int count = 0; count < pixsize; count++) {
this->data(0xff);
}
this->command(CMD_DISPLAY_REFRESH);
delay(10);
this->wait_until_idle_();
}
}
void HOT GDEW0154M09::display() {
this->init_internal_();
// "Mode 0 display" for now
this->command(CMD_DTM1_DATA_START_TRANS);
for (int i = 0; i < this->get_buffer_length_(); i++) {
this->data(0xff);
}
this->command(CMD_DTM2_DATA_START_TRANS2); // write 'new' data to SRAM
for (int i = 0; i < this->get_buffer_length_(); i++) {
this->data(this->buffer_[i]);
}
this->command(CMD_DISPLAY_REFRESH);
delay(10);
this->wait_until_idle_();
this->deep_sleep();
}
void GDEW0154M09::deep_sleep() {
// COMMAND DEEP SLEEP
this->command(CMD_POF_POWER_OFF);
this->wait_until_idle_();
delay(1000); // NOLINT
this->command(CMD_DSLP_DEEP_SLEEP);
this->data(DATA_DSLP_DEEP_SLEEP);
}
int GDEW0154M09::get_width_internal() { return 200; }
int GDEW0154M09::get_height_internal() { return 200; }
void GDEW0154M09::dump_config() {
LOG_DISPLAY("", "M5Stack CoreInk E-Paper (Good Display)", this);
ESP_LOGCONFIG(TAG, " Model: 1.54in Greyscale GDEW0154M09");
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::initialize() {
// https://www.waveshare.com/w/upload/7/7f/4.2inch-e-paper-b-specification.pdf - page 8
// COMMAND POWER SETTING
this->command(0x01);
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
// COMMAND BOOSTER SOFT START
this->command(0x06);
this->data(0x17); // PHA
this->data(0x17); // PHB
this->data(0x17); // PHC
// COMMAND POWER ON
this->command(0x04);
this->wait_until_idle_();
delay(10);
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0xBF); // KW-BF KWR-AF BWROTP 0f
this->data(0x0B);
// COMMAND PLL CONTROL
this->command(0x30);
this->data(0x3C); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
delay(2);
// COMMAND LUT FOR VCOM
this->command(0x20);
for (uint8_t i : LUT_VCOM_DC_4_2)
this->data(i);
// COMMAND LUT WHITE TO WHITE
this->command(0x21);
for (uint8_t i : LUT_WHITE_TO_WHITE_4_2)
this->data(i);
// COMMAND LUT BLACK TO WHITE
this->command(0x22);
for (uint8_t i : LUT_BLACK_TO_WHITE_4_2)
this->data(i);
// COMMAND LUT WHITE TO BLACK
this->command(0x23);
for (uint8_t i : LUT_WHITE_TO_BLACK_4_2)
this->data(i);
// COMMAND LUT BLACK TO BLACK
this->command(0x24);
for (uint8_t i : LUT_BLACK_TO_BLACK_4_2)
this->data(i);
}
void HOT WaveshareEPaper4P2In::display() {
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x01);
this->data(0x90);
this->data(0x01);
this->data(0x2C);
// COMMAND VCM DC SETTING REGISTER
this->command(0x82);
this->data(0x12);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x97);
// COMMAND DATA START TRANSMISSION 1
this->command(0x10);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
delay(2);
// COMMAND DATA START TRANSMISSION 2
this->command(0x13);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// COMMAND DISPLAY REFRESH
this->command(0x12);
}
int WaveshareEPaper4P2In::get_width_internal() { return 400; }
int WaveshareEPaper4P2In::get_height_internal() { return 300; }
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);
}
// ========================================================
// 4.20in Type B (LUT from OTP)
// Datasheet:
// - https://www.waveshare.com/w/upload/2/20/4.2inch-e-paper-module-user-manual-en.pdf
// - https://github.com/waveshare/e-Paper/blob/master/RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_4in2b_V2.c
// ========================================================
void WaveshareEPaper4P2InBV2::initialize() {
// these exact timings are required for a proper reset/init
this->reset_pin_->digital_write(false);
delay(2);
this->reset_pin_->digital_write(true);
delay(200); // NOLINT
// COMMAND POWER ON
this->command(0x04);
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0x0f); // LUT from OTP
}
void HOT WaveshareEPaper4P2InBV2::display() {
// COMMAND DATA START TRANSMISSION 1 (B/W data)
this->command(0x10);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// COMMAND DATA START TRANSMISSION 2 (RED data)
this->command(0x13);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++)
this->write_byte(0xFF);
this->end_data_();
delay(2);
// COMMAND DISPLAY REFRESH
this->command(0x12);
this->wait_until_idle_();
// COMMAND POWER OFF
// NOTE: power off < deep sleep
this->command(0x02);
}
int WaveshareEPaper4P2InBV2::get_width_internal() { return 400; }
int WaveshareEPaper4P2InBV2::get_height_internal() { return 300; }
void WaveshareEPaper4P2InBV2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 4.2in (B V2)");
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 WaveshareEPaper5P8In::initialize() {
// COMMAND POWER SETTING
this->command(0x01);
this->data(0x37);
this->data(0x00);
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0xCF);
this->data(0x0B);
// COMMAND BOOSTER SOFT START
this->command(0x06);
this->data(0xC7);
this->data(0xCC);
this->data(0x28);
// COMMAND POWER ON
this->command(0x04);
this->wait_until_idle_();
delay(10);
// COMMAND PLL CONTROL
this->command(0x30);
this->data(0x3C);
// COMMAND TEMPERATURE SENSOR CALIBRATION
this->command(0x41);
this->data(0x00);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x77);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x02);
this->data(0x58);
this->data(0x01);
this->data(0xC0);
// COMMAND VCM DC SETTING REGISTER
this->command(0x82);
this->data(0x1E);
this->command(0xE5);
this->data(0x03);
}
void HOT WaveshareEPaper5P8In::display() {
// COMMAND DATA START TRANSMISSION 1
this->command(0x10);
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_();
// COMMAND DISPLAY REFRESH
this->command(0x12);
}
int WaveshareEPaper5P8In::get_width_internal() { return 600; }
int WaveshareEPaper5P8In::get_height_internal() { return 448; }
void WaveshareEPaper5P8In::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 5.83in");
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);
}
// ========================================================
// 5.83in V2
// Datasheet/Specification/Reference:
// - https://www.waveshare.com/w/upload/3/37/5.83inch_e-Paper_V2_Specification.pdf
// - https://github.com/waveshare/e-Paper/blob/master/Arduino/epd5in83_V2/epd5in83_V2.cpp
// ========================================================
void WaveshareEPaper5P8InV2::initialize() {
// COMMAND POWER SETTING
this->command(0x01);
this->data(0x07);
this->data(0x07);
this->data(0x3f);
this->data(0x3f);
// COMMAND POWER ON
this->command(0x04);
delay(10);
this->wait_until_idle_();
// PANNEL SETTING
this->command(0x00);
this->data(0x1F);
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x02);
this->data(0x88);
this->data(0x01);
this->data(0xE0);
this->command(0x15);
this->data(0x00);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// Do we need this?
// COMMAND PLL CONTROL
this->command(0x30);
this->data(0x3C); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
}
void HOT WaveshareEPaper5P8InV2::display() {
// Reuse the code from WaveshareEPaper4P2In::display()
// COMMAND VCM DC SETTING REGISTER
this->command(0x82);
this->data(0x12);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x97);
// COMMAND DATA START TRANSMISSION 1
this->command(0x10);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
delay(2);
// COMMAND DATA START TRANSMISSION 2
this->command(0x13);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// COMMAND DISPLAY REFRESH
this->command(0x12);
}
int WaveshareEPaper5P8InV2::get_width_internal() { return 648; }
int WaveshareEPaper5P8InV2::get_height_internal() { return 480; }
void WaveshareEPaper5P8InV2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 5.83inv2");
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 WaveshareEPaper7P5InBV2::initialize() {
// COMMAND POWER SETTING
this->command(0x01);
this->data(0x07);
this->data(0x07); // VGH=20V,VGL=-20V
this->data(0x3f); // VDH=15V
this->data(0x3f); // VDL=-15V
// COMMAND POWER ON
this->command(0x04);
delay(100); // NOLINT
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0x0F); // KW3f, KWR-2F, BWROTP 0f, BWOTP 1f
this->command(0x61); // tres
this->data(0x03); // 800px
this->data(0x20);
this->data(0x01); // 400px
this->data(0xE0);
this->command(0x15);
this->data(0x00);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x11);
this->data(0x07);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
this->command(0x82);
this->data(0x08);
this->command(0x30);
this->data(0x06);
// COMMAND RESOLUTION SETTING
this->command(0x65);
this->data(0x00);
this->data(0x00); // 800*480
this->data(0x00);
this->data(0x00);
}
void HOT WaveshareEPaper7P5InBV2::display() {
// COMMAND DATA START TRANSMISSION 1 (B/W data)
this->command(0x10);
delay(2);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
delay(2);
// COMMAND DATA START TRANSMISSION 2 (RED data)
this->command(0x13);
delay(2);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++)
this->write_byte(0x00);
this->end_data_();
delay(2);
// COMMAND DISPLAY REFRESH
this->command(0x12);
delay(100); // NOLINT
this->wait_until_idle_();
this->deep_sleep();
}
int WaveshareEPaper7P5InBV2::get_width_internal() { return 800; }
int WaveshareEPaper7P5InBV2::get_height_internal() { return 480; }
void WaveshareEPaper7P5InBV2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5in-bv2");
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 WaveshareEPaper7P5InBV3::initialize() { this->init_display_(); }
bool WaveshareEPaper7P5InBV3::wait_until_idle_() {
if (this->busy_pin_ == nullptr) {
return true;
}
const uint32_t start = millis();
while (this->busy_pin_->digital_read()) {
this->command(0x71);
if (millis() - start > this->idle_timeout_()) {
ESP_LOGI(TAG, "Timeout while displaying image!");
return false;
}
App.feed_wdt();
delay(10);
}
delay(200); // NOLINT
return true;
};
void WaveshareEPaper7P5InBV3::init_display_() {
this->reset_();
// COMMAND POWER SETTING
this->command(0x01);
// 1-0=11: internal power
this->data(0x07);
this->data(0x17); // VGH&VGL
this->data(0x3F); // VSH
this->data(0x26); // VSL
this->data(0x11); // VSHR
// VCOM DC Setting
this->command(0x82);
this->data(0x24); // VCOM
// Booster Setting
this->command(0x06);
this->data(0x27);
this->data(0x27);
this->data(0x2F);
this->data(0x17);
// POWER ON
this->command(0x04);
delay(100); // NOLINT
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0x3F); // KW-3f KWR-2F BWROTP 0f BWOTP 1f
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x03); // source 800
this->data(0x20);
this->data(0x01); // gate 480
this->data(0xE0);
// COMMAND ...?
this->command(0x15);
this->data(0x00);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x10);
this->data(0x00);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// Resolution setting
this->command(0x65);
this->data(0x00);
this->data(0x00); // 800*480
this->data(0x00);
this->data(0x00);
uint8_t lut_vcom_7_i_n5_v2[] = {
0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0xF, 0x1, 0xF, 0x1, 0x2, 0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_ww_7_i_n5_v2[] = {
0x10, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x20, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_bw_7_i_n5_v2[] = {
0x10, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x20, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_wb_7_i_n5_v2[] = {
0x80, 0xF, 0xF, 0x0, 0x0, 0x3, 0x84, 0xF, 0x1, 0xF, 0x1, 0x4, 0x40, 0xF, 0xF, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_bb_7_i_n5_v2[] = {
0x80, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x40, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t count;
this->command(0x20); // VCOM
for (count = 0; count < 42; count++)
this->data(lut_vcom_7_i_n5_v2[count]);
this->command(0x21); // LUTBW
for (count = 0; count < 42; count++)
this->data(lut_ww_7_i_n5_v2[count]);
this->command(0x22); // LUTBW
for (count = 0; count < 42; count++)
this->data(lut_bw_7_i_n5_v2[count]);
this->command(0x23); // LUTWB
for (count = 0; count < 42; count++)
this->data(lut_wb_7_i_n5_v2[count]);
this->command(0x24); // LUTBB
for (count = 0; count < 42; count++)
this->data(lut_bb_7_i_n5_v2[count]);
};
void HOT WaveshareEPaper7P5InBV3::display() {
this->init_display_();
uint32_t buf_len = this->get_buffer_length_();
this->command(0x10);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(0xFF);
}
this->command(0x13); // Start Transmission
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(~this->buffer_[i]);
}
this->command(0x12); // Display Refresh
delay(100); // NOLINT
this->wait_until_idle_();
this->deep_sleep();
}
int WaveshareEPaper7P5InBV3::get_width_internal() { return 800; }
int WaveshareEPaper7P5InBV3::get_height_internal() { return 480; }
void WaveshareEPaper7P5InBV3::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5in-bv3");
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::initialize() {
// COMMAND POWER SETTING
this->command(0x01);
this->data(0x37);
this->data(0x00);
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0xCF);
this->data(0x0B);
// COMMAND BOOSTER SOFT START
this->command(0x06);
this->data(0xC7);
this->data(0xCC);
this->data(0x28);
// COMMAND POWER ON
this->command(0x04);
this->wait_until_idle_();
delay(10);
// COMMAND PLL CONTROL
this->command(0x30);
this->data(0x3C);
// COMMAND TEMPERATURE SENSOR CALIBRATION
this->command(0x41);
this->data(0x00);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x77);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x02);
this->data(0x80);
this->data(0x01);
this->data(0x80);
// COMMAND VCM DC SETTING REGISTER
this->command(0x82);
this->data(0x1E);
this->command(0xE5);
this->data(0x03);
}
void HOT WaveshareEPaper7P5In::display() {
// COMMAND DATA START TRANSMISSION 1
this->command(0x10);
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_();
// COMMAND DISPLAY REFRESH
this->command(0x12);
}
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);
}
bool WaveshareEPaper7P5InV2::wait_until_idle_() {
if (this->busy_pin_ == nullptr) {
return true;
}
const uint32_t start = millis();
while (this->busy_pin_->digital_read()) {
this->command(0x71);
if (millis() - start > this->idle_timeout_()) {
ESP_LOGE(TAG, "Timeout while displaying image!");
return false;
}
App.feed_wdt();
delay(10);
}
return true;
}
void WaveshareEPaper7P5InV2::initialize() {
// COMMAND POWER SETTING
this->command(0x01);
this->data(0x07);
this->data(0x07);
this->data(0x3f);
this->data(0x3f);
// We don't want the display to be powered at this point
delay(100); // NOLINT
this->wait_until_idle_();
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x10);
this->data(0x07);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0x1F);
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x03);
this->data(0x20);
this->data(0x01);
this->data(0xE0);
// COMMAND DUAL SPI MM_EN, DUSPI_EN
this->command(0x15);
this->data(0x00);
// COMMAND POWER DRIVER HAT DOWN
// This command will turn off booster, controller, source driver, gate driver, VCOM, and
// temperature sensor, but register data will be kept until VDD turned OFF or Deep Sleep Mode.
// Source/Gate/Border/VCOM will be released to floating.
this->command(0x02);
}
void HOT WaveshareEPaper7P5InV2::display() {
uint32_t buf_len = this->get_buffer_length_();
// COMMAND POWER ON
ESP_LOGI(TAG, "Power on the display and hat");
// This command will turn on booster, controller, regulators, and temperature sensor will be
// activated for one-time sensing before enabling booster. When all voltages are ready, the
// BUSY_N signal will return to high.
this->command(0x04);
delay(200); // NOLINT
this->wait_until_idle_();
// COMMAND DATA START TRANSMISSION NEW DATA
this->command(0x13);
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(~(this->buffer_[i]));
}
delay(100); // NOLINT
this->wait_until_idle_();
// COMMAND DISPLAY REFRESH
this->command(0x12);
delay(100); // NOLINT
this->wait_until_idle_();
ESP_LOGV(TAG, "Before command(0x02) (>> power off)");
this->command(0x02);
this->wait_until_idle_();
ESP_LOGV(TAG, "After command(0x02) (>> power off)");
}
int WaveshareEPaper7P5InV2::get_width_internal() { return 800; }
int WaveshareEPaper7P5InV2::get_height_internal() { return 480; }
uint32_t WaveshareEPaper7P5InV2::idle_timeout_() { return 10000; }
void WaveshareEPaper7P5InV2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5inV2rev2");
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);
}
/* 7.50inV2alt */
bool WaveshareEPaper7P5InV2alt::wait_until_idle_() {
if (this->busy_pin_ == nullptr) {
return true;
}
const uint32_t start = millis();
while (this->busy_pin_->digital_read()) {
this->command(0x71);
if (millis() - start > this->idle_timeout_()) {
ESP_LOGI(TAG, "Timeout while displaying image!");
return false;
}
delay(10);
}
return true;
}
void WaveshareEPaper7P5InV2alt::initialize() {
this->reset_();
// COMMAND POWER SETTING
this->command(0x01);
// 1-0=11: internal power
this->data(0x07);
this->data(0x17); // VGH&VGL
this->data(0x3F); // VSH
this->data(0x26); // VSL
this->data(0x11); // VSHR
// VCOM DC Setting
this->command(0x82);
this->data(0x24); // VCOM
// Booster Setting
this->command(0x06);
this->data(0x27);
this->data(0x27);
this->data(0x2F);
this->data(0x17);
// POWER ON
this->command(0x04);
delay(100); // NOLINT
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0x3F); // KW-3f KWR-2F BWROTP 0f BWOTP 1f
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x03); // source 800
this->data(0x20);
this->data(0x01); // gate 480
this->data(0xE0);
// COMMAND ...?
this->command(0x15);
this->data(0x00);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x10);
this->data(0x00);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// Resolution setting
this->command(0x65);
this->data(0x00);
this->data(0x00); // 800*480
this->data(0x00);
this->data(0x00);
this->wait_until_idle_();
uint8_t lut_vcom_7_i_n5_v2[] = {
0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0xF, 0x1, 0xF, 0x1, 0x2, 0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_ww_7_i_n5_v2[] = {
0x10, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x20, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_bw_7_i_n5_v2[] = {
0x10, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x20, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_wb_7_i_n5_v2[] = {
0x80, 0xF, 0xF, 0x0, 0x0, 0x3, 0x84, 0xF, 0x1, 0xF, 0x1, 0x4, 0x40, 0xF, 0xF, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t lut_bb_7_i_n5_v2[] = {
0x80, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x40, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
uint8_t count;
this->command(0x20); // VCOM
for (count = 0; count < 42; count++)
this->data(lut_vcom_7_i_n5_v2[count]);
this->command(0x21); // LUTBW
for (count = 0; count < 42; count++)
this->data(lut_ww_7_i_n5_v2[count]);
this->command(0x22); // LUTBW
for (count = 0; count < 42; count++)
this->data(lut_bw_7_i_n5_v2[count]);
this->command(0x23); // LUTWB
for (count = 0; count < 42; count++)
this->data(lut_wb_7_i_n5_v2[count]);
this->command(0x24); // LUTBB
for (count = 0; count < 42; count++)
this->data(lut_bb_7_i_n5_v2[count]);
}
void WaveshareEPaper7P5InV2alt::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5inV2");
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);
}
/* 7.50in-bc */
void WaveshareEPaper7P5InBC::initialize() {
/* The command sequence is similar to the 7P5In display but differs in subtle ways
to allow for faster updates. */
// COMMAND POWER SETTING
this->command(0x01);
this->data(0x37);
this->data(0x00);
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0xCF);
this->data(0x08);
// COMMAND PLL CONTROL
this->command(0x30);
this->data(0x3A);
// COMMAND VCM_DC_SETTING: all temperature range
this->command(0x82);
this->data(0x28);
// COMMAND BOOSTER SOFT START
this->command(0x06);
this->data(0xC7);
this->data(0xCC);
this->data(0x15);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x77);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// COMMAND FLASH CONTROL
this->command(0x65);
this->data(0x00);
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x02); // 640 >> 8
this->data(0x80);
this->data(0x01); // 384 >> 8
this->data(0x80);
// COMMAND FLASH MODE
this->command(0xE5);
this->data(0x03);
}
void HOT WaveshareEPaper7P5InBC::display() {
// COMMAND DATA START TRANSMISSION 1
this->command(0x10);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++) {
// A line of eight source pixels (each a bit in this byte)
uint8_t eight_pixels = this->buffer_[i];
for (uint8_t j = 0; j < 8; j += 2) {
/* For bichromatic displays, each byte represents two pixels. Each nibble encodes a pixel: 0=white, 3=black,
4=color. Therefore, e.g. 0x44 = two adjacent color pixels, 0x33 is two adjacent black pixels, etc. If you want
to draw using the color pixels, change '0x30' with '0x40' and '0x03' with '0x04' below. */
uint8_t left_nibble = (eight_pixels & 0x80) ? 0x30 : 0x00;
eight_pixels <<= 1;
uint8_t right_nibble = (eight_pixels & 0x80) ? 0x03 : 0x00;
eight_pixels <<= 1;
this->write_byte(left_nibble | right_nibble);
}
App.feed_wdt();
}
this->end_data_();
// Unlike the 7P5In display, we send the "power on" command here rather than during initialization
// COMMAND POWER ON
this->command(0x04);
// COMMAND DISPLAY REFRESH
this->command(0x12);
}
int WaveshareEPaper7P5InBC::get_width_internal() { return 640; }
int WaveshareEPaper7P5InBC::get_height_internal() { return 384; }
void WaveshareEPaper7P5InBC::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5in-bc");
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 WaveshareEPaper7P5InHDB::initialize() {
this->command(0x12); // SWRESET
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x46); // Auto Write RAM
this->data(0xF7);
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x47); // Auto Write RAM
this->data(0xF7);
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x0C); // Soft start setting
this->data(0xAE);
this->data(0xC7);
this->data(0xC3);
this->data(0xC0);
this->data(0x40);
this->command(0x01); // Set MUX as 527
this->data(0xAF);
this->data(0x02);
this->data(0x01);
this->command(0x11); // Data entry mode
this->data(0x01);
this->command(0x44);
this->data(0x00); // RAM x address start at 0
this->data(0x00);
this->data(0x6F); // RAM x address end at 36Fh -> 879
this->data(0x03);
this->command(0x45);
this->data(0xAF); // RAM y address start at 20Fh;
this->data(0x02);
this->data(0x00); // RAM y address end at 00h;
this->data(0x00);
this->command(0x3C); // VBD
this->data(0x01); // LUT1, for white
this->command(0x18);
this->data(0X80);
this->command(0x22);
this->data(0XB1); // Load Temperature and waveform setting.
this->command(0x20);
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x4E);
this->data(0x00);
this->data(0x00);
this->command(0x4F);
this->data(0xAF);
this->data(0x02);
}
void HOT WaveshareEPaper7P5InHDB::display() {
this->command(0x4F);
this->data(0xAf);
this->data(0x02);
// BLACK
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// RED
this->command(0x26);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++)
this->write_byte(0x00);
this->end_data_();
this->command(0x22);
this->data(0xC7);
this->command(0x20);
delay(100); // NOLINT
}
int WaveshareEPaper7P5InHDB::get_width_internal() { return 880; }
int WaveshareEPaper7P5InHDB::get_height_internal() { return 528; }
void WaveshareEPaper7P5InHDB::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5in-HD-b");
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_SIZE_TTGO_DKE_PART = 153;
static const uint8_t PART_UPDATE_LUT_TTGO_DKE[LUT_SIZE_TTGO_DKE_PART] = {
0x0, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x40, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0xF, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
// 0x22, 0x17, 0x41, 0x0, 0x32, 0x32
};
void WaveshareEPaper2P13InDKE::initialize() {}
void HOT WaveshareEPaper2P13InDKE::display() {
bool partial = this->at_update_ != 0;
this->at_update_ = (this->at_update_ + 1) % this->full_update_every_;
if (partial) {
ESP_LOGI(TAG, "Performing partial e-paper update.");
} else {
ESP_LOGI(TAG, "Performing full e-paper update.");
}
// start and set up data format
this->command(0x12);
this->wait_until_idle_();
this->command(0x11);
this->data(0x03);
this->command(0x44);
this->data(1);
this->data(this->get_width_internal() / 8);
this->command(0x45);
this->data(0);
this->data(0);
this->data(this->get_height_internal());
this->data(0);
this->command(0x4e);
this->data(1);
this->command(0x4f);
this->data(0);
this->data(0);
if (!partial) {
// send data
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// commit
this->command(0x20);
this->wait_until_idle_();
} else {
// set up partial update
this->command(0x32);
this->start_data_();
this->write_array(PART_UPDATE_LUT_TTGO_DKE, sizeof(PART_UPDATE_LUT_TTGO_DKE));
this->end_data_();
this->command(0x3F);
this->data(0x22);
this->command(0x03);
this->data(0x17);
this->command(0x04);
this->data(0x41);
this->data(0x00);
this->data(0x32);
this->command(0x2C);
this->data(0x32);
this->command(0x37);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x40);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->command(0x3C);
this->data(0x80);
this->command(0x22);
this->data(0xC0);
this->command(0x20);
this->wait_until_idle_();
// send data
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// commit as partial
this->command(0x22);
this->data(0xCF);
this->command(0x20);
this->wait_until_idle_();
// data must be sent again on partial update
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
}
ESP_LOGI(TAG, "Completed e-paper update.");
}
int WaveshareEPaper2P13InDKE::get_width_internal() { return 128; }
int WaveshareEPaper2P13InDKE::get_height_internal() { return 250; }
uint32_t WaveshareEPaper2P13InDKE::idle_timeout_() { return 5000; }
void WaveshareEPaper2P13InDKE::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.13inDKE");
LOG_PIN(" CS Pin: ", this->cs_);
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 WaveshareEPaper2P13InDKE::set_full_update_every(uint32_t full_update_every) {
this->full_update_every_ = full_update_every;
}
} // namespace waveshare_epaper
} // namespace esphome
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