From df0d33c3cdbea7967b9a5b4c6c3cee859d341869 Mon Sep 17 00:00:00 2001 From: Otto Winter Date: Tue, 28 May 2019 20:22:50 +0200 Subject: [PATCH] Waveshare enter deep sleep mode on shutdown (#561) Fixes https://github.com/esphome/issues/issues/307 Only enters deep sleep mode when node turns off - not between updates because entering+exiting deep sleep takes some time (could be added later) --- .../waveshare_epaper/waveshare_epaper.cpp | 280 +++++++++--------- .../waveshare_epaper/waveshare_epaper.h | 76 ++++- 2 files changed, 205 insertions(+), 151 deletions(-) diff --git a/esphome/components/waveshare_epaper/waveshare_epaper.cpp b/esphome/components/waveshare_epaper/waveshare_epaper.cpp index 392134f52b..2fe12dc102 100644 --- a/esphome/components/waveshare_epaper/waveshare_epaper.cpp +++ b/esphome/components/waveshare_epaper/waveshare_epaper.cpp @@ -8,29 +8,6 @@ namespace waveshare_epaper { static const char *TAG = "waveshare_epaper"; -static const uint8_t WAVESHARE_EPAPER_COMMAND_DRIVER_OUTPUT_CONTROL = 0x01; -static const uint8_t WAVESHARE_EPAPER_COMMAND_BOOSTER_SOFT_START_CONTROL = 0x0C; -// static const uint8_t WAVESHARE_EPAPER_COMMAND_GATE_SCAN_START_POSITION = 0x0F; -// static const uint8_t WAVESHARE_EPAPER_COMMAND_DEEP_SLEEP_MODE = 0x10; -static const uint8_t WAVESHARE_EPAPER_COMMAND_DATA_ENTRY_MODE_SETTING = 0x11; -// static const uint8_t WAVESHARE_EPAPER_COMMAND_SW_RESET = 0x12; -// static const uint8_t WAVESHARE_EPAPER_COMMAND_TEMPERATURE_SENSOR_CONTROL = 0x1A; -static const uint8_t WAVESHARE_EPAPER_COMMAND_MASTER_ACTIVATION = 0x20; -// static const uint8_t WAVESHARE_EPAPER_COMMAND_DISPLAY_UPDATE_CONTROL_1 = 0x21; -static const uint8_t WAVESHARE_EPAPER_COMMAND_DISPLAY_UPDATE_CONTROL_2 = 0x22; -static const uint8_t WAVESHARE_EPAPER_COMMAND_WRITE_RAM = 0x24; -static const uint8_t WAVESHARE_EPAPER_COMMAND_WRITE_VCOM_REGISTER = 0x2C; -static const uint8_t WAVESHARE_EPAPER_COMMAND_WRITE_LUT_REGISTER = 0x32; -static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_DUMMY_LINE_PERIOD = 0x3A; -static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_GATE_TIME = 0x3B; -static const uint8_t WAVESHARE_EPAPER_COMMAND_BORDER_WAVEFORM_CONTROL = 0x3C; -static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_START_END_POSITION = 0x44; -static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_START_END_POSITION = 0x45; -static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_COUNTER = 0x4E; -static const uint8_t WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_COUNTER = 0x4F; -static const uint8_t WAVESHARE_EPAPER_COMMAND_TERMINATE_FRAME_READ_WRITE = 0xFF; - -// not in .text section since only 30 bytes static const uint8_t FULL_UPDATE_LUT[30] = {0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22, 0x66, 0x69, 0x69, 0x59, 0x58, 0x99, 0x99, 0x88, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xB4, 0x13, 0x51, 0x35, 0x51, 0x51, 0x19, 0x01, 0x00}; @@ -52,13 +29,7 @@ void WaveshareEPaper::setup_pins_() { } this->spi_setup(); - // Reset - if (this->reset_pin_ != nullptr) { - this->reset_pin_->digital_write(false); - delay(200); - this->reset_pin_->digital_write(true); - delay(200); - } + this->reset_(); } float WaveshareEPaper::get_setup_priority() const { return setup_priority::PROCESSOR; } void WaveshareEPaper::command(uint8_t value) { @@ -121,34 +92,39 @@ void WaveshareEPaper::start_data_() { this->enable(); } void WaveshareEPaper::end_data_() { this->disable(); } +void WaveshareEPaper::on_safe_shutdown() { this->deep_sleep(); } // ======================================================== // Type A // ======================================================== -void WaveshareEPaperTypeA::setup() { - this->setup_pins_(); - - this->command(WAVESHARE_EPAPER_COMMAND_DRIVER_OUTPUT_CONTROL); +void WaveshareEPaperTypeA::initialize() { + // COMMAND DRIVER OUTPUT CONTROL + this->command(0x01); this->data(this->get_height_internal() - 1); this->data((this->get_height_internal() - 1) >> 8); this->data(0x00); // ? GD = 0, SM = 0, TB = 0 - this->command(WAVESHARE_EPAPER_COMMAND_BOOSTER_SOFT_START_CONTROL); // ? + // COMMAND BOOSTER SOFT START CONTROL + this->command(0x0C); this->data(0xD7); this->data(0xD6); this->data(0x9D); - this->command(WAVESHARE_EPAPER_COMMAND_WRITE_VCOM_REGISTER); // ? + // COMMAND WRITE VCOM REGISTER + this->command(0x2C); this->data(0xA8); - this->command(WAVESHARE_EPAPER_COMMAND_SET_DUMMY_LINE_PERIOD); // ? + // COMMAND SET DUMMY LINE PERIOD + this->command(0x3A); this->data(0x1A); - this->command(WAVESHARE_EPAPER_COMMAND_SET_GATE_TIME); // 2µs per row - this->data(0x08); + // COMMAND SET GATE TIME + this->command(0x3B); + this->data(0x08); // 2µs per row - this->command(WAVESHARE_EPAPER_COMMAND_DATA_ENTRY_MODE_SETTING); + // COMMAND DATA ENTRY MODE SETTING + this->command(0x11); this->data(0x03); // from top left to bottom right } void WaveshareEPaperTypeA::dump_config() { @@ -186,18 +162,22 @@ void HOT WaveshareEPaperTypeA::display() { } // Set x & y regions we want to write to (full) - this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_START_END_POSITION); + // COMMAND SET RAM X ADDRESS START END POSITION + this->command(0x44); this->data(0x00); this->data((this->get_width_internal() - 1) >> 3); - this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_START_END_POSITION); + // COMMAND SET RAM Y ADDRESS START END POSITION + this->command(0x45); this->data(0x00); this->data(0x00); this->data(this->get_height_internal() - 1); this->data((this->get_height_internal() - 1) >> 8); - this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_X_ADDRESS_COUNTER); + // COMMAND SET RAM X ADDRESS COUNTER + this->command(0x4E); this->data(0x00); - this->command(WAVESHARE_EPAPER_COMMAND_SET_RAM_Y_ADDRESS_COUNTER); + // COMMAND SET RAM Y ADDRESS COUNTER + this->command(0x4F); this->data(0x00); this->data(0x00); @@ -206,15 +186,19 @@ void HOT WaveshareEPaperTypeA::display() { return; } - this->command(WAVESHARE_EPAPER_COMMAND_WRITE_RAM); + // COMMAND WRITE RAM + this->command(0x24); this->start_data_(); this->write_array(this->buffer_, this->get_buffer_length_()); this->end_data_(); - this->command(WAVESHARE_EPAPER_COMMAND_DISPLAY_UPDATE_CONTROL_2); + // COMMAND DISPLAY UPDATE CONTROL 2 + this->command(0x22); this->data(0xC4); - this->command(WAVESHARE_EPAPER_COMMAND_MASTER_ACTIVATION); - this->command(WAVESHARE_EPAPER_COMMAND_TERMINATE_FRAME_READ_WRITE); + // COMMAND MASTER ACTIVATION + this->command(0x20); + // COMMAND TERMINATE FRAME READ WRITE + this->command(0xFF); this->status_clear_warning(); } @@ -241,7 +225,8 @@ int WaveshareEPaperTypeA::get_height_internal() { return 0; } void WaveshareEPaperTypeA::write_lut_(const uint8_t *lut) { - this->command(WAVESHARE_EPAPER_COMMAND_WRITE_LUT_REGISTER); + // COMMAND WRITE LUT REGISTER + this->command(0x32); for (uint8_t i = 0; i < 30; i++) this->data(lut[i]); } @@ -253,47 +238,9 @@ void WaveshareEPaperTypeA::set_full_update_every(uint32_t full_update_every) { // ======================================================== // Type B // ======================================================== - -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING = 0x00; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING = 0x01; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_OFF = 0x02; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_OFF_SEQUENCE_SETTING = 0x03; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_ON = 0x04; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_MEASURE = 0x05; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START = 0x06; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DEEP_SLEEP = 0x07; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1 = 0x10; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DATA_STOP = 0x11; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH = 0x12; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_2 = 0x13; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DATA_START_TRANSMISSION_1 = 0x14; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DATA_START_TRANSMISSION_2 = 0x15; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DISPLAY_REFRESH = 0x16; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_FOR_VCOM = 0x20; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_WHITE = 0x21; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_WHITE = 0x22; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_BLACK = 0x23; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_BLACK = 0x24; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL = 0x30; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_COMMAND = 0x40; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_CALIBRATION = 0x41; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_WRITE = 0x42; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_READ = 0x43; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_VCOM_AND_DATA_INTERVAL_SETTING = 0x50; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_LOW_POWER_DETECTION = 0x51; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_TCON_SETTING = 0x60; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_RESOLUTION_SETTING = 0x61; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_GET_STATUS = 0x71; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_AUTO_MEASURE_VCOM = 0x80; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_VCOM_VALUE = 0x81; -static const uint8_t WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER = 0x82; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_WINDOW = 0x90; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_IN = 0x91; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PARTIAL_OUT = 0x92; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_PROGRAM_MODE = 0xA0; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_ACTIVE_PROGRAM = 0xA1; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_READ_OTP_DATA = 0xA2; -// static const uint8_t WAVESHARE_EPAPER_B_COMMAND_POWER_SAVING = 0xE3; +// Datasheet: +// - https://www.waveshare.com/w/upload/7/7f/4.2inch-e-paper-b-specification.pdf +// - https://github.com/soonuse/epd-library-arduino/blob/master/4.2inch_e-paper/epd4in2/ static const uint8_t LUT_VCOM_DC_2_7[44] = { 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x05, 0x00, 0x32, 0x32, 0x00, 0x00, 0x02, 0x00, @@ -325,18 +272,17 @@ static const uint8_t LUT_BLACK_TO_BLACK_2_7[42] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; -void WaveshareEPaper2P7In::setup() { - this->setup_pins_(); - // this->buffer_.init(this->get_width_(), this->get_height_()); - - this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING); +void WaveshareEPaper2P7In::initialize() { + // command power setting + this->command(0x01); this->data(0x03); // VDS_EN, VDG_EN this->data(0x00); // VCOM_HV, VGHL_LV[1], VGHL_LV[0] this->data(0x2B); // VDH this->data(0x2B); // VDL this->data(0x09); // VDHR - this->command(WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START); + // command booster soft start + this->command(0x06); this->data(0x07); this->data(0x07); this->data(0x17); @@ -364,51 +310,66 @@ void WaveshareEPaper2P7In::setup() { this->data(0x73); this->data(0x41); - this->command(WAVESHARE_EPAPER_B_COMMAND_PARTIAL_DISPLAY_REFRESH); + // command partial display refresh + this->command(0x16); this->data(0x00); - this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_ON); + // command power on + this->command(0x04); this->wait_until_idle_(); delay(10); - this->command(WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING); + // Command panel setting + this->command(0x00); this->data(0xAF); // KW-BF KWR-AF BWROTP 0f - this->command(WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL); + // command pll control + this->command(0x30); this->data(0x3A); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ - this->command(WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER); + // COMMAND VCM DC SETTING + this->command(0x82); this->data(0x12); delay(2); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_FOR_VCOM); + // COMMAND LUT FOR VCOM + this->command(0x20); for (uint8_t i : LUT_VCOM_DC_2_7) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_WHITE); + + // COMMAND LUT WHITE TO WHITE + this->command(0x21); for (uint8_t i : LUT_WHITE_TO_WHITE_2_7) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_WHITE); + // COMMAND LUT BLACK TO WHITE + this->command(0x22); for (uint8_t i : LUT_BLACK_TO_WHITE_2_7) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_BLACK); + // COMMAND LUT WHITE TO BLACK + this->command(0x23); for (uint8_t i : LUT_WHITE_TO_BLACK_2_7) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_BLACK); + // COMMAND LUT BLACK TO BLACK + this->command(0x24); for (uint8_t i : LUT_BLACK_TO_BLACK_2_7) this->data(i); } void HOT WaveshareEPaper2P7In::display() { - // TODO check active frame buffer to only transmit once / use partial transmits - this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1); + // COMMAND DATA START TRANSMISSION 1 + this->command(0x10); delay(2); this->start_data_(); this->write_array(this->buffer_, this->get_buffer_length_()); this->end_data_(); delay(2); - this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_2); + + // COMMAND DATA START TRANSMISSION 2 + this->command(0x13); delay(2); this->start_data_(); this->write_array(this->buffer_, this->get_buffer_length_()); this->end_data_(); - this->command(WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH); + + // COMMAND DISPLAY REFRESH + this->command(0x12); } int WaveshareEPaper2P7In::get_width_internal() { return 176; } int WaveshareEPaper2P7In::get_height_internal() { return 264; } @@ -449,73 +410,88 @@ static const uint8_t LUT_WHITE_TO_BLACK_4_2[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; -void WaveshareEPaper4P2In::setup() { - this->setup_pins_(); +void WaveshareEPaper4P2In::initialize() { + // https://www.waveshare.com/w/upload/7/7f/4.2inch-e-paper-b-specification.pdf - page 8 - this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING); + // COMMAND POWER SETTING + this->command(0x01); this->data(0x03); // VDS_EN, VDG_EN this->data(0x00); // VCOM_HV, VGHL_LV[1], VGHL_LV[0] this->data(0x2B); // VDH this->data(0x2B); // VDL this->data(0xFF); // VDHR - this->command(WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START); - this->data(0x17); - this->data(0x17); - this->data(0x17); + // COMMAND BOOSTER SOFT START + this->command(0x06); + this->data(0x17); // PHA + this->data(0x17); // PHB + this->data(0x17); // PHC - this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_ON); + // COMMAND POWER ON + this->command(0x04); this->wait_until_idle_(); delay(10); - this->command(WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING); + // COMMAND PANEL SETTING + this->command(0x00); this->data(0xBF); // KW-BF KWR-AF BWROTP 0f this->data(0x0B); - this->command(WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL); + // COMMAND PLL CONTROL + this->command(0x30); this->data(0x3C); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ delay(2); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_FOR_VCOM); + // COMMAND LUT FOR VCOM + this->command(0x20); for (uint8_t i : LUT_VCOM_DC_4_2) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_WHITE); + // COMMAND LUT WHITE TO WHITE + this->command(0x21); for (uint8_t i : LUT_WHITE_TO_WHITE_4_2) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_WHITE); + // COMMAND LUT BLACK TO WHITE + this->command(0x22); for (uint8_t i : LUT_BLACK_TO_WHITE_4_2) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_WHITE_TO_BLACK); + // COMMAND LUT WHITE TO BLACK + this->command(0x23); for (uint8_t i : LUT_WHITE_TO_BLACK_4_2) this->data(i); - this->command(WAVESHARE_EPAPER_B_COMMAND_LUT_BLACK_TO_BLACK); + // COMMAND LUT BLACK TO BLACK + this->command(0x24); for (uint8_t i : LUT_BLACK_TO_BLACK_4_2) this->data(i); } void HOT WaveshareEPaper4P2In::display() { - this->command(WAVESHARE_EPAPER_B_COMMAND_RESOLUTION_SETTING); + // COMMAND RESOLUTION SETTING + this->command(0x61); this->data(0x01); this->data(0x90); this->data(0x01); this->data(0x2C); - this->command(WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER); + // COMMAND VCM DC SETTING REGISTER + this->command(0x82); this->data(0x12); - this->command(WAVESHARE_EPAPER_B_COMMAND_VCOM_AND_DATA_INTERVAL_SETTING); + // COMMAND VCOM AND DATA INTERVAL SETTING + this->command(0x50); this->data(0x97); - // TODO check active frame buffer to only transmit once / use partial transmits - this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1); + // COMMAND DATA START TRANSMISSION 1 + this->command(0x10); delay(2); this->start_data_(); this->write_array(this->buffer_, this->get_buffer_length_()); this->end_data_(); delay(2); - this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_2); + // COMMAND DATA START TRANSMISSION 2 + this->command(0x13); delay(2); this->start_data_(); this->write_array(this->buffer_, this->get_buffer_length_()); this->end_data_(); - this->command(WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH); + // COMMAND DISPLAY REFRESH + this->command(0x12); } int WaveshareEPaper4P2In::get_width_internal() { return 400; } int WaveshareEPaper4P2In::get_height_internal() { return 300; } @@ -529,52 +505,61 @@ void WaveshareEPaper4P2In::dump_config() { LOG_UPDATE_INTERVAL(this); } -void WaveshareEPaper7P5In::setup() { - this->setup_pins_(); - - this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_SETTING); +void WaveshareEPaper7P5In::initialize() { + // COMMAND POWER SETTING + this->command(0x01); this->data(0x37); this->data(0x00); - this->command(WAVESHARE_EPAPER_B_COMMAND_PANEL_SETTING); + // COMMAND PANEL SETTING + this->command(0x00); this->data(0xCF); this->data(0x0B); - this->command(WAVESHARE_EPAPER_B_COMMAND_BOOSTER_SOFT_START); + // COMMAND BOOSTER SOFT START + this->command(0x06); this->data(0xC7); this->data(0xCC); this->data(0x28); - this->command(WAVESHARE_EPAPER_B_COMMAND_POWER_ON); + // COMMAND POWER ON + this->command(0x04); this->wait_until_idle_(); delay(10); - this->command(WAVESHARE_EPAPER_B_COMMAND_PLL_CONTROL); + // COMMAND PLL CONTROL + this->command(0x30); this->data(0x3C); - this->command(WAVESHARE_EPAPER_B_COMMAND_TEMPERATURE_SENSOR_CALIBRATION); + // COMMAND TEMPERATURE SENSOR CALIBRATION + this->command(0x41); this->data(0x00); - this->command(WAVESHARE_EPAPER_B_COMMAND_VCOM_AND_DATA_INTERVAL_SETTING); + // COMMAND VCOM AND DATA INTERVAL SETTING + this->command(0x50); this->data(0x77); - this->command(WAVESHARE_EPAPER_B_COMMAND_TCON_SETTING); + // COMMAND TCON SETTING + this->command(0x60); this->data(0x22); - this->command(WAVESHARE_EPAPER_B_COMMAND_RESOLUTION_SETTING); + // COMMAND RESOLUTION SETTING + this->command(0x61); this->data(0x02); this->data(0x80); this->data(0x01); this->data(0x80); - this->command(WAVESHARE_EPAPER_B_COMMAND_VCM_DC_SETTING_REGISTER); + // COMMAND VCM DC SETTING REGISTER + this->command(0x82); this->data(0x1E); this->command(0xE5); this->data(0x03); } void HOT WaveshareEPaper7P5In::display() { - this->command(WAVESHARE_EPAPER_B_COMMAND_DATA_START_TRANSMISSION_1); + // COMMAND DATA START TRANSMISSION 1 + this->command(0x10); this->start_data_(); for (size_t i = 0; i < this->get_buffer_length_(); i++) { @@ -601,7 +586,8 @@ void HOT WaveshareEPaper7P5In::display() { } this->end_data_(); - this->command(WAVESHARE_EPAPER_B_COMMAND_DISPLAY_REFRESH); + // COMMAND DISPLAY REFRESH + this->command(0x12); } int WaveshareEPaper7P5In::get_width_internal() { return 640; } int WaveshareEPaper7P5In::get_height_internal() { return 384; } diff --git a/esphome/components/waveshare_epaper/waveshare_epaper.h b/esphome/components/waveshare_epaper/waveshare_epaper.h index 49bb21bc7f..192e85275e 100644 --- a/esphome/components/waveshare_epaper/waveshare_epaper.h +++ b/esphome/components/waveshare_epaper/waveshare_epaper.h @@ -19,11 +19,20 @@ class WaveshareEPaper : public PollingComponent, public spi::SPIDevice, public d void data(uint8_t value); virtual void display() = 0; + virtual void initialize() = 0; + virtual void deep_sleep() = 0; void update() override; void fill(int color) override; + void setup() override { + this->setup_pins_(); + this->initialize(); + } + + void on_safe_shutdown() override; + protected: void draw_absolute_pixel_internal(int x, int y, int color) override; @@ -31,6 +40,15 @@ class WaveshareEPaper : public PollingComponent, public spi::SPIDevice, public d void setup_pins_(); + void reset_() { + if (this->reset_pin_ != nullptr) { + this->reset_pin_->digital_write(false); + delay(200); + this->reset_pin_->digital_write(true); + delay(200); + } + } + uint32_t get_buffer_length_(); bool is_device_high_speed() override; @@ -55,12 +73,18 @@ class WaveshareEPaperTypeA : public WaveshareEPaper { public: WaveshareEPaperTypeA(WaveshareEPaperTypeAModel model); - void setup() override; + void initialize() override; void dump_config() override; void display() override; + void deep_sleep() override { + // COMMAND DEEP SLEEP MODE + this->command(0x10); + this->wait_until_idle_(); + } + void set_full_update_every(uint32_t full_update_every); protected: @@ -83,12 +107,18 @@ enum WaveshareEPaperTypeBModel { class WaveshareEPaper2P7In : public WaveshareEPaper { public: - void setup() override; + void initialize() override; void display() override; void dump_config() override; + void deep_sleep() override { + // COMMAND DEEP SLEEP + this->command(0x07); + this->data(0xA5); // check byte + } + protected: int get_width_internal() override; @@ -97,12 +127,41 @@ class WaveshareEPaper2P7In : public WaveshareEPaper { class WaveshareEPaper4P2In : public WaveshareEPaper { public: - void setup() override; + void initialize() override; void display() override; void dump_config() override; + void deep_sleep() override { + // COMMAND VCOM AND DATA INTERVAL SETTING + this->command(0x50); + this->data(0x17); // border floating + + // COMMAND VCM DC SETTING + this->command(0x82); + // COMMAND PANEL SETTING + this->command(0x00); + + delay(100); + + // COMMAND POWER SETTING + this->command(0x01); + this->data(0x00); + this->data(0x00); + this->data(0x00); + this->data(0x00); + this->data(0x00); + delay(100); + + // COMMAND POWER OFF + this->command(0x02); + this->wait_until_idle_(); + // COMMAND DEEP SLEEP + this->command(0x07); + this->data(0xA5); // check byte + } + protected: int get_width_internal() override; @@ -113,12 +172,21 @@ class WaveshareEPaper4P2In : public WaveshareEPaper { class WaveshareEPaper7P5In : public WaveshareEPaper { public: - void setup() override; + void initialize() override; void display() override; void dump_config() override; + void deep_sleep() override { + // COMMAND POWER OFF + this->command(0x02); + this->wait_until_idle_(); + // COMMAND DEEP SLEEP + this->command(0x07); + this->data(0xA5); // check byte + } + protected: int get_width_internal() override;