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waveshare_epaper: add support for ttgo t5 b74 variant display (#1869)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Trammell Hudson 2021-08-10 10:09:46 +02:00 committed by GitHub
parent cc15aaacbb
commit e5d0f3c036
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3 changed files with 30 additions and 0 deletions
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1
esphome/components/waveshare_epaper/display.py
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@ -54,6 +54,7 @@ MODELS = {
"2.13in-ttgo": ("a", WaveshareEPaperTypeAModel.TTGO_EPAPER_2_13_IN),
"2.13in-ttgo-b1": ("a", WaveshareEPaperTypeAModel.TTGO_EPAPER_2_13_IN_B1),
"2.13in-ttgo-b73": ("a", WaveshareEPaperTypeAModel.TTGO_EPAPER_2_13_IN_B73),
"2.13in-ttgo-b74": ("a", WaveshareEPaperTypeAModel.TTGO_EPAPER_2_13_IN_B74),
"2.90in": ("a", WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_2_9_IN),
"2.90inv2": ("a", WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_2_9_IN_V2),
"2.70in": ("b", WaveshareEPaper2P7In),

28
esphome/components/waveshare_epaper/waveshare_epaper.cpp
View File

@ -163,6 +163,17 @@ void WaveshareEPaper::on_safe_shutdown() { this->deep_sleep(); }
// ========================================================
void WaveshareEPaperTypeA::initialize() {
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_();
this->command(0x12); // SWRESET
this->wait_until_idle_();
}
// COMMAND DRIVER OUTPUT CONTROL
this->command(0x01);
this->data(this->get_height_internal() - 1);
@ -193,6 +204,7 @@ void WaveshareEPaperTypeA::initialize() {
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
@ -222,6 +234,9 @@ void WaveshareEPaperTypeA::dump_config() {
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;
@ -256,6 +271,9 @@ void HOT WaveshareEPaperTypeA::display() {
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;
@ -289,7 +307,12 @@ 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);
@ -341,6 +364,9 @@ void HOT WaveshareEPaperTypeA::display() {
this->data(full_update ? 0xF7 : 0xFF);
} else if (this->model_ == TTGO_EPAPER_2_13_IN_B73) {
this->data(0xC7);
} else if (this->model_ == TTGO_EPAPER_2_13_IN_B74) {
// this->data(0xC7);
this->data(full_update ? 0xF7 : 0xFF);
} else {
this->data(0xC4);
}
@ -363,6 +389,7 @@ int WaveshareEPaperTypeA::get_width_internal() {
case TTGO_EPAPER_2_13_IN:
return 128;
case TTGO_EPAPER_2_13_IN_B73:
case TTGO_EPAPER_2_13_IN_B74:
return 128;
case TTGO_EPAPER_2_13_IN_B1:
return 128;
@ -384,6 +411,7 @@ int WaveshareEPaperTypeA::get_height_internal() {
case TTGO_EPAPER_2_13_IN:
return 250;
case TTGO_EPAPER_2_13_IN_B73:
case TTGO_EPAPER_2_13_IN_B74:
return 250;
case TTGO_EPAPER_2_13_IN_B1:
return 250;

1
esphome/components/waveshare_epaper/waveshare_epaper.h
View File

@ -73,6 +73,7 @@ enum WaveshareEPaperTypeAModel {
TTGO_EPAPER_2_13_IN,
TTGO_EPAPER_2_13_IN_B73,
TTGO_EPAPER_2_13_IN_B1,
TTGO_EPAPER_2_13_IN_B74,
};
class WaveshareEPaperTypeA : public WaveshareEPaper {