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Implement deep sleep and clear screen on Waveshare 7.5in B V3 (#5239)

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Lucas Prim 2023-11-27 20:40:39 -03:00 committed by GitHub
parent b8ee0dedec
commit a66dec738d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 9 deletions
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20
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@ -1329,6 +1329,7 @@ void WaveshareEPaper7P5InBV2::dump_config() {
LOG_UPDATE_INTERVAL(this);
}
void WaveshareEPaper7P5InBV3::initialize() { this->init_display_(); }
bool WaveshareEPaper7P5InBV3::wait_until_idle_() {
if (this->busy_pin_ == nullptr) {
return true;
@ -1341,12 +1342,13 @@ bool WaveshareEPaper7P5InBV3::wait_until_idle_() {
ESP_LOGI(TAG, "Timeout while displaying image!");
return false;
}
App.feed_wdt();
delay(10);
}
delay(200); // NOLINT
return true;
};
void WaveshareEPaper7P5InBV3::initialize() {
void WaveshareEPaper7P5InBV3::init_display_() {
this->reset_();
// COMMAND POWER SETTING
@ -1402,8 +1404,6 @@ void WaveshareEPaper7P5InBV3::initialize() {
this->data(0x00);
this->data(0x00);
this->wait_until_idle_();
uint8_t lut_vcom_7_i_n5_v2[] = {
0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0xF, 0x1, 0xF, 0x1, 0x2, 0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
@ -1449,24 +1449,26 @@ void WaveshareEPaper7P5InBV3::initialize() {
this->command(0x24); // LUTBB
for (count = 0; count < 42; count++)
this->data(lut_bb_7_i_n5_v2[count]);
this->command(0x10);
for (uint32_t i = 0; i < 800 * 480 / 8; i++) {
this->data(0xFF);
}
};
void HOT WaveshareEPaper7P5InBV3::display() {
this->init_display_();
uint32_t buf_len = this->get_buffer_length_();
this->command(0x10);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(0xFF);
}
this->command(0x13); // Start Transmission
delay(2);
for (uint32_t i = 0; i < buf_len; i++) {
this->data(~(this->buffer_[i]));
this->data(this->buffer_[i]);
}
this->command(0x12); // Display Refresh
delay(100); // NOLINT
this->wait_until_idle_();
this->deep_sleep();
}
int WaveshareEPaper7P5InBV3::get_width_internal() { return 800; }
int WaveshareEPaper7P5InBV3::get_height_internal() { return 480; }

4
esphome/components/waveshare_epaper/waveshare_epaper.h
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@ -429,6 +429,8 @@ class WaveshareEPaper7P5InBV3 : public WaveshareEPaper {
this->data(0xA5);
}
void clear_screen();
protected:
int get_width_internal() override;
@ -444,6 +446,8 @@ class WaveshareEPaper7P5InBV3 : public WaveshareEPaper {
delay(200); // NOLINT
}
};
void init_display_();
};
class WaveshareEPaper7P5InBC : public WaveshareEPaper {