sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-10-14 15:53:48 +01:00
Code Issues Releases Wiki Activity

added Waveshare BWR Mode for the 7.5in Display (#7687)

Browse Source
This commit is contained in:
JonasB2497
2024-11-25 23:29:58 +01:00
committed by GitHub
parent d6f4f05090
commit 140d77061b
9 changed files with 246 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

107
esphome/components/waveshare_epaper/waveshare_epaper.cpp
View File

@@ -2399,6 +2399,113 @@ void WaveshareEPaper7P5InBV3::dump_config() {
LOG_UPDATE_INTERVAL(this);
}
void WaveshareEPaper7P5InBV3BWR::initialize() { this->init_display_(); }
bool WaveshareEPaper7P5InBV3BWR::wait_until_idle_() {
if (this->busy_pin_ == nullptr) {
return true;
}
const uint32_t start = millis();
while (this->busy_pin_->digital_read()) {
this->command(0x71);
if (millis() - start > this->idle_timeout_()) {
ESP_LOGI(TAG, "Timeout while displaying image!");
return false;
}
App.feed_wdt();
delay(10);
}
delay(200); // NOLINT
return true;
};
void WaveshareEPaper7P5InBV3BWR::init_display_() {
this->reset_();
// COMMAND POWER SETTING
this->command(0x01);
// 1-0=11: internal power
this->data(0x07);
this->data(0x17); // VGH&VGL
this->data(0x3F); // VSH
this->data(0x26); // VSL
this->data(0x11); // VSHR
// VCOM DC Setting
this->command(0x82);
this->data(0x24); // VCOM
// Booster Setting
this->command(0x06);
this->data(0x27);
this->data(0x27);
this->data(0x2F);
this->data(0x17);
// POWER ON
this->command(0x04);
delay(100); // NOLINT
this->wait_until_idle_();
// COMMAND PANEL SETTING
this->command(0x00);
this->data(0x0F); // KW-3f KWR-2F BWROTP 0f BWOTP 1f
// COMMAND RESOLUTION SETTING
this->command(0x61);
this->data(0x03); // source 800
this->data(0x20);
this->data(0x01); // gate 480
this->data(0xE0);
// COMMAND ...?
this->command(0x15);
this->data(0x00);
// COMMAND VCOM AND DATA INTERVAL SETTING
this->command(0x50);
this->data(0x20);
this->data(0x00);
// COMMAND TCON SETTING
this->command(0x60);
this->data(0x22);
// Resolution setting
this->command(0x65);
this->data(0x00);
this->data(0x00); // 800*480
this->data(0x00);
this->data(0x00);
};
void HOT WaveshareEPaper7P5InBV3BWR::display() {
this->init_display_();
const uint32_t buf_len = this->get_buffer_length_() / 2u;
this->command(0x10); // Send BW data Transmission
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(this->buffer_[i]);
}
this->command(0x13); // Send red data Transmission
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(this->buffer_[i + buf_len]);
}
this->command(0x12); // Display Refresh
delay(100); // NOLINT
this->wait_until_idle_();
this->deep_sleep();
}
int WaveshareEPaper7P5InBV3BWR::get_width_internal() { return 800; }
int WaveshareEPaper7P5InBV3BWR::get_height_internal() { return 480; }
void WaveshareEPaper7P5InBV3BWR::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5in-bv3 BWR-Mode");
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 WaveshareEPaper7P5In::initialize() {
// COMMAND POWER SETTING
this->command(0x01);