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Code Issues Releases Wiki Activity

Add waveshare 1 45 in v2 b support (#7052)

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This commit is contained in:
programmingbgloDE
2024-11-25 23:26:48 +01:00
committed by GitHub
parent bdb91112ea
commit d6f4f05090
3 changed files with 106 additions and 0 deletions
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84
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@@ -808,6 +808,90 @@ void WaveshareEPaper2P7InV2::dump_config() {
LOG_UPDATE_INTERVAL(this);
}
// ========================================================
// 1.54inch_v2_e-paper_b
// ========================================================
// Datasheet:
// - https://files.waveshare.com/upload/9/9e/1.54inch-e-paper-b-v2-specification.pdf
// - https://www.waveshare.com/wiki/1.54inch_e-Paper_Module_(B)_Manual
void WaveshareEPaper1P54InBV2::initialize() {
this->reset_();
this->wait_until_idle_();
this->command(0x12);
this->wait_until_idle_();
this->command(0x01);
this->data(0xC7);
this->data(0x00);
this->data(0x01);
this->command(0x11); // data entry mode
this->data(0x01);
this->command(0x44); // set Ram-X address start/end position
this->data(0x00);
this->data(0x18); // 0x18-->(24+1)*8=200
this->command(0x45); // set Ram-Y address start/end position
this->data(0xC7); // 0xC7-->(199+1)=200
this->data(0x00);
this->data(0x00);
this->data(0x00);
this->command(0x3C); // BorderWavefrom
this->data(0x05);
this->command(0x18); // Read built-in temperature sensor
this->data(0x80);
this->command(0x4E); // set RAM x address count to 0;
this->data(0x00);
this->command(0x4F); // set RAM y address count to 0X199;
this->data(0xC7);
this->data(0x00);
this->wait_until_idle_();
}
void HOT WaveshareEPaper1P54InBV2::display() {
uint32_t buf_len_half = this->get_buffer_length_() >> 1;
this->initialize();
// COMMAND DATA START TRANSMISSION 1 (BLACK)
this->command(0x24);
delay(2);
for (uint32_t i = 0; i < buf_len_half; i++) {
this->data(~this->buffer_[i]);
}
delay(2);
// COMMAND DATA START TRANSMISSION 2 (RED)
this->command(0x26);
delay(2);
for (uint32_t i = buf_len_half; i < buf_len_half * 2u; i++) {
this->data(this->buffer_[i]);
}
this->command(0x22);
this->data(0xf7);
this->command(0x20);
this->wait_until_idle_();
this->deep_sleep();
}
int WaveshareEPaper1P54InBV2::get_height_internal() { return 200; }
int WaveshareEPaper1P54InBV2::get_width_internal() { return 200; }
void WaveshareEPaper1P54InBV2::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 1.54in V2 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
// ========================================================