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Code Issues Releases Wiki Activity

Add support for Waveshare EPD 2.13" V3 (#5363)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Clyde Stubbs
2024-01-19 14:10:53 +11:00
committed by GitHub
parent 6561746f97
commit ed771abc8a
7 changed files with 264 additions and 8 deletions
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24
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@@ -109,8 +109,20 @@ void WaveshareEPaper::data(uint8_t value) {
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 WaveshareEPaper::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 WaveshareEPaper::wait_until_idle_() {
if (this->busy_pin_ == nullptr) {
if (this->busy_pin_ == nullptr || !this->busy_pin_->digital_read()) {
return true;
}
@@ -120,7 +132,7 @@ bool WaveshareEPaper::wait_until_idle_() {
ESP_LOGE(TAG, "Timeout while displaying image!");
return false;
}
delay(10);
delay(1);
}
return true;
}
@@ -2218,8 +2230,9 @@ void HOT WaveshareEPaper2P13InDKE::display() {
} else {
// set up partial update
this->command(0x32);
for (uint8_t v : PART_UPDATE_LUT_TTGO_DKE)
this->data(v);
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);
@@ -2264,12 +2277,10 @@ void HOT WaveshareEPaper2P13InDKE::display() {
this->wait_until_idle_();
// data must be sent again on partial update
delay(300); // NOLINT
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
delay(300); // NOLINT
}
ESP_LOGI(TAG, "Completed e-paper update.");
@@ -2281,6 +2292,7 @@ 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_);