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Code Issues Releases Wiki Activity

support for waveshare 7.50in-hd-b (#3239)

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Micha Nordmann 2022-02-21 19:35:04 +01:00 committed by GitHub
parent d1feaa935d
commit a5b4105971
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3 changed files with 125 additions and 0 deletions
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4
esphome/components/waveshare_epaper/display.py
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@ -50,6 +50,9 @@ WaveshareEPaper7P5InBV2 = waveshare_epaper_ns.class_(
WaveshareEPaper7P5InV2 = waveshare_epaper_ns.class_(
"WaveshareEPaper7P5InV2", WaveshareEPaper
)
WaveshareEPaper7P5InHDB = waveshare_epaper_ns.class_(
"WaveshareEPaper7P5InHDB", WaveshareEPaper
)
WaveshareEPaper2P13InDKE = waveshare_epaper_ns.class_(
"WaveshareEPaper2P13InDKE", WaveshareEPaper
)
@ -76,6 +79,7 @@ MODELS = {
"7.50in-bv2": ("b", WaveshareEPaper7P5InBV2),
"7.50in-bc": ("b", WaveshareEPaper7P5InBC),
"7.50inv2": ("b", WaveshareEPaper7P5InV2),
"7.50in-hd-b": ("b", WaveshareEPaper7P5InHDB),
"2.13in-ttgo-dke": ("c", WaveshareEPaper2P13InDKE),
}

101
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@ -1241,6 +1241,107 @@ void WaveshareEPaper7P5InBC::dump_config() {
LOG_UPDATE_INTERVAL(this);
}
void WaveshareEPaper7P5InHDB::initialize() {
this->command(0x12); // SWRESET
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x46); // Auto Write RAM
this->data(0xF7);
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x47); // Auto Write RAM
this->data(0xF7);
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x0C); // Soft start setting
this->data(0xAE);
this->data(0xC7);
this->data(0xC3);
this->data(0xC0);
this->data(0x40);
this->command(0x01); // Set MUX as 527
this->data(0xAF);
this->data(0x02);
this->data(0x01);
this->command(0x11); // Data entry mode
this->data(0x01);
this->command(0x44);
this->data(0x00); // RAM x address start at 0
this->data(0x00);
this->data(0x6F); // RAM x address end at 36Fh -> 879
this->data(0x03);
this->command(0x45);
this->data(0xAF); // RAM y address start at 20Fh;
this->data(0x02);
this->data(0x00); // RAM y address end at 00h;
this->data(0x00);
this->command(0x3C); // VBD
this->data(0x01); // LUT1, for white
this->command(0x18);
this->data(0X80);
this->command(0x22);
this->data(0XB1); // Load Temperature and waveform setting.
this->command(0x20);
this->wait_until_idle_(); // waiting for the electronic paper IC to release the idle signal
this->command(0x4E);
this->data(0x00);
this->data(0x00);
this->command(0x4F);
this->data(0xAF);
this->data(0x02);
}
void HOT WaveshareEPaper7P5InHDB::display() {
this->command(0x4F);
this->data(0xAf);
this->data(0x02);
// BLACK
this->command(0x24);
this->start_data_();
this->write_array(this->buffer_, this->get_buffer_length_());
this->end_data_();
// RED
this->command(0x26);
this->start_data_();
for (size_t i = 0; i < this->get_buffer_length_(); i++)
this->write_byte(0x00);
this->end_data_();
this->command(0x22);
this->data(0xC7);
this->command(0x20);
delay(100); // NOLINT
}
int WaveshareEPaper7P5InHDB::get_width_internal() { return 880; }
int WaveshareEPaper7P5InHDB::get_height_internal() { return 528; }
void WaveshareEPaper7P5InHDB::dump_config() {
LOG_DISPLAY("", "Waveshare E-Paper", this);
ESP_LOGCONFIG(TAG, " Model: 7.5in-HD-b");
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);
}
static const uint8_t LUT_SIZE_TTGO_DKE_PART = 153;
static const uint8_t PART_UPDATE_LUT_TTGO_DKE[LUT_SIZE_TTGO_DKE_PART] = {

20
esphome/components/waveshare_epaper/waveshare_epaper.h
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@ -350,6 +350,26 @@ class WaveshareEPaper7P5InV2 : public WaveshareEPaper {
int get_height_internal() override;
};
class WaveshareEPaper7P5InHDB : public WaveshareEPaper {
public:
void initialize() override;
void display() override;
void dump_config() override;
void deep_sleep() override {
// deep sleep
this->command(0x10);
this->data(0x01);
}
protected:
int get_width_internal() override;
int get_height_internal() override;
};
class WaveshareEPaper2P13InDKE : public WaveshareEPaper {
public:
void initialize() override;