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Code Issues Releases Wiki Activity

Add support for Waveshare 2.13" V2 display (#6337)

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* Add support for Waveshare 2.13" V2 display

* Fix clang-tidy error, add comment about BUSY in deep sleep

* Add test

* Add nullptr check and move tests to separate file

* Fix GPIO pins in test
This commit is contained in:
Manuel Kasper
2024-03-11 19:38:59 +01:00
committed by GitHub
parent 32be12423a
commit a96762220a
5 changed files with 228 additions and 137 deletions
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75
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@@ -256,12 +256,14 @@ void WaveshareEPaperTypeA::initialize() {
}
}
void WaveshareEPaperTypeA::init_display_() {
if (this->model_ == TTGO_EPAPER_2_13_IN_B74) {
this->reset_pin_->digital_write(false);
delay(10);
this->reset_pin_->digital_write(true);
delay(10);
this->wait_until_idle_();
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_();
@@ -321,6 +323,9 @@ void WaveshareEPaperTypeA::dump_config() {
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;
@@ -366,6 +371,8 @@ void HOT WaveshareEPaperTypeA::display() {
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:
@@ -384,6 +391,41 @@ void HOT WaveshareEPaperTypeA::display() {
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:
@@ -407,12 +449,6 @@ void HOT WaveshareEPaperTypeA::display() {
this->data((this->get_height_internal() - 1) >> 8);
break;
case TTGO_EPAPER_2_13_IN_B74:
// BorderWaveform
this->command(0x3C);
this->data(full_update ? 0x05 : 0x80);
// fall through
default:
// COMMAND SET RAM X ADDRESS START END POSITION
this->command(0x44);
@@ -458,6 +494,14 @@ void HOT WaveshareEPaperTypeA::display() {
}
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_) {
@@ -469,6 +513,9 @@ void HOT WaveshareEPaperTypeA::display() {
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;
@@ -492,6 +539,7 @@ int WaveshareEPaperTypeA::get_width_internal() {
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:
@@ -507,6 +555,7 @@ int WaveshareEPaperTypeA::get_width_internal() {
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:
@@ -522,6 +571,7 @@ int WaveshareEPaperTypeA::get_height_internal() {
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:
@@ -548,6 +598,7 @@ 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: