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Code Issues Releases Wiki Activity

waveshare_epaper: Add 2.90in-dke (#6492)

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Co-authored-by: The_Niz <the_niz@nurdspace.nl>
This commit is contained in:
polyfloyd
2024-04-26 10:44:58 +02:00
committed by GitHub
parent 031e26ad98
commit cd91c7050c
4 changed files with 171 additions and 0 deletions
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125
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@@ -1127,6 +1127,131 @@ void WaveshareEPaper2P9InB::dump_config() {
LOG_UPDATE_INTERVAL(this);
}
// DKE 2.9
// https://www.badge.team/docs/badges/sha2017/hardware/#e-ink-display-the-dke-group-depg0290b1
// https://www.badge.team/docs/badges/sha2017/hardware/DEPG0290B01V3.0.pdf
static const uint8_t LUT_SIZE_DKE = 70;
static const uint8_t UPDATE_LUT_DKE[LUT_SIZE_DKE] = {
0xA0, 0x90, 0x50, 0x0, 0x0, 0x0, 0x0, 0x50, 0x90, 0xA0, 0x0, 0x0, 0x0, 0x0, 0xA0, 0x90, 0x50, 0x0,
0x0, 0x0, 0x0, 0x50, 0x90, 0xA0, 0x0, 0x0, 0x0, 0x0, 0x00, 0x00, 0x00, 0x0, 0x0, 0x0, 0x0, 0xF,
0xF, 0x0, 0x0, 0x0, 0xF, 0xF, 0x0, 0x0, 0x02, 0xF, 0xF, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
static const uint8_t PART_UPDATE_LUT_DKE[LUT_SIZE_DKE] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xa0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x50, 0x10, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x05, 0x00, 0x00, 0x00, 0x01, 0x08, 0x00, 0x00, 0x00, 0x02, 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 FULL_UPDATE_LUT_DKE[LUT_SIZE_DKE] = {
0x90, 0x50, 0xa0, 0x50, 0x50, 0x00, 0x00, 0x00, 0x00, 0x10, 0xa0, 0xa0, 0x80, 0x00, 0x90, 0x50, 0xa0, 0x50,
0x50, 0x00, 0x00, 0x00, 0x00, 0x10, 0xa0, 0xa0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17,
0x04, 0x00, 0x00, 0x00, 0x0b, 0x04, 0x00, 0x00, 0x00, 0x06, 0x05, 0x00, 0x00, 0x00, 0x04, 0x05, 0x00, 0x00,
0x00, 0x01, 0x0e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
void WaveshareEPaper2P9InDKE::initialize() {
// Hardware reset
delay(10);
this->reset_pin_->digital_write(false);
delayMicroseconds(200);
this->reset_pin_->digital_write(true);
delayMicroseconds(200);
// Wait for busy low
this->wait_until_idle_();
// Software reset
this->command(0x12);
// Wait for busy low
this->wait_until_idle_();
// Set Analog Block Control
this->command(0x74);
this->data(0x54);
// Set Digital Block Control
this->command(0x7E);
this->data(0x3B);
// Set display size and driver output control
this->command(0x01);
// this->data(0x27);
// this->data(0x01);
// this->data(0x00);
this->data(this->get_height_internal() - 1);
this->data((this->get_height_internal() - 1) >> 8);
this->data(0x00); // ? GD = 0, SM = 0, TB = 0
// Ram data entry mode
this->command(0x11);
this->data(0x03);
// Set Ram X address
this->command(0x44);
this->data(0x00);
this->data(0x0F);
// Set Ram Y address
this->command(0x45);
this->data(0x00);
this->data(0x00);
this->data(0x27);
this->data(0x01);
// Set border
this->command(0x3C);
// this->data(0x80);
this->data(0x01);
// Set VCOM value
this->command(0x2C);
this->data(0x26);
// Gate voltage setting
this->command(0x03);
this->data(0x17);
// Source voltage setting
this->command(0x04);
this->data(0x41);
this->data(0x00);
this->data(0x32);
// Frame setting 50hz
this->command(0x3A);
this->data(0x30);
this->command(0x3B);
this->data(0x0A);
// Load LUT
this->command(0x32);
for (uint8_t v : FULL_UPDATE_LUT_DKE)
this->data(v);
}
void HOT WaveshareEPaper2P9InDKE::display() {
ESP_LOGI(TAG, "Performing e-paper update.");
// Set Ram X address counter
this->command(0x4e);
this->data(0);
// Set Ram Y address counter
this->command(0x4f);
this->data(0);
this->data(0);
// Load image (128/8*296)
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// Image update
this->command(0x22);
this->data(0xC7);
this->command(0x20);
// Wait for busy low
this->wait_until_idle_();
// Enter deep sleep mode
this->command(0x10);
this->data(0x01);
}
int WaveshareEPaper2P9InDKE::get_width_internal() { return 128; }
int WaveshareEPaper2P9InDKE::get_height_internal() { return 296; }
void WaveshareEPaper2P9InDKE::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 2.9in DKE");
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 WaveshareEPaper2P9InDKE::set_full_update_every(uint32_t full_update_every) {
this->full_update_every_ = full_update_every;
}
// ========================================================
// 2.90in Type B (LUT from OTP)
// Datasheet: