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Waveshare enter deep sleep mode on shutdown (#561)

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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)
This commit is contained in:
Otto Winter 2019-05-28 20:22:50 +02:00
parent 359f54d3c1
commit 2570f2d6f2
No known key found for this signature in database
GPG key ID: DB66C0BE6013F97E
2 changed files with 205 additions and 151 deletions
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280
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@ -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; }

76
esphome/components/waveshare_epaper/waveshare_epaper.h
View file

@ -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;