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Add deep sleep between updates for waveshare epaper 1.54in and 1.54inv2 (#5961)
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@ -167,6 +167,25 @@ void WaveshareEPaper::on_safe_shutdown() { this->deep_sleep(); }
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// ========================================================
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void WaveshareEPaperTypeA::initialize() {
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// Achieve display intialization
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this->init_display_();
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// If a reset pin is configured, eligible displays can be set to deep sleep
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// between updates, as recommended by the hardware provider
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if (this->reset_pin_ != nullptr) {
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switch (this->model_) {
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// More models can be added here to enable deep sleep if eligible
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case WAVESHARE_EPAPER_1_54_IN:
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case WAVESHARE_EPAPER_1_54_IN_V2:
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this->deep_sleep_between_updates_ = true;
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ESP_LOGI(TAG, "Set the display to deep sleep");
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this->deep_sleep();
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break;
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default:
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break;
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}
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}
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}
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void WaveshareEPaperTypeA::init_display_() {
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if (this->model_ == TTGO_EPAPER_2_13_IN_B74) {
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this->reset_pin_->digital_write(false);
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delay(10);
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@ -261,6 +280,13 @@ void HOT WaveshareEPaperTypeA::display() {
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bool full_update = this->at_update_ == 0;
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bool prev_full_update = this->at_update_ == 1;
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if (this->deep_sleep_between_updates_) {
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ESP_LOGI(TAG, "Wake up the display");
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this->reset_();
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this->wait_until_idle_();
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this->init_display_();
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}
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if (!this->wait_until_idle_()) {
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this->status_set_warning();
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return;
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@ -384,6 +410,11 @@ void HOT WaveshareEPaperTypeA::display() {
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this->command(0xFF);
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this->status_clear_warning();
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if (this->deep_sleep_between_updates_) {
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ESP_LOGI(TAG, "Set the display back to deep sleep");
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this->deep_sleep();
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}
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}
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int WaveshareEPaperTypeA::get_width_internal() {
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switch (this->model_) {
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@ -445,6 +476,8 @@ void WaveshareEPaperTypeA::set_full_update_every(uint32_t full_update_every) {
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uint32_t WaveshareEPaperTypeA::idle_timeout_() {
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switch (this->model_) {
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case WAVESHARE_EPAPER_1_54_IN:
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case WAVESHARE_EPAPER_1_54_IN_V2:
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case TTGO_EPAPER_2_13_IN_B1:
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return 2500;
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default:
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@ -92,13 +92,20 @@ class WaveshareEPaperTypeA : public WaveshareEPaper {
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void display() override;
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void deep_sleep() override {
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if (this->model_ == WAVESHARE_EPAPER_2_9_IN_V2 || this->model_ == WAVESHARE_EPAPER_1_54_IN_V2) {
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// COMMAND DEEP SLEEP MODE
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this->command(0x10);
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this->data(0x01);
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} else {
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// COMMAND DEEP SLEEP MODE
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this->command(0x10);
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switch (this->model_) {
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// Models with specific deep sleep command and data
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case WAVESHARE_EPAPER_1_54_IN:
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case WAVESHARE_EPAPER_1_54_IN_V2:
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case WAVESHARE_EPAPER_2_9_IN_V2:
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// COMMAND DEEP SLEEP MODE
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this->command(0x10);
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this->data(0x01);
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break;
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// Other models default to simple deep sleep command
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default:
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// COMMAND DEEP SLEEP
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this->command(0x10);
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break;
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}
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this->wait_until_idle_();
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}
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@ -108,6 +115,8 @@ class WaveshareEPaperTypeA : public WaveshareEPaper {
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protected:
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void write_lut_(const uint8_t *lut, uint8_t size);
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void init_display_();
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int get_width_internal() override;
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int get_height_internal() override;
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@ -118,6 +127,8 @@ class WaveshareEPaperTypeA : public WaveshareEPaper {
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uint32_t at_update_{0};
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WaveshareEPaperTypeAModel model_;
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uint32_t idle_timeout_() override;
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bool deep_sleep_between_updates_{false};
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};
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enum WaveshareEPaperTypeBModel {
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