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Code Issues Releases Wiki Activity

Extend ST7789V component to support additional displays (#3651)

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Co-authored-by: definitio <37266727+definitio@users.noreply.github.com>
This commit is contained in:
Keith Burzinski
2022-08-07 14:54:48 -05:00
committed by GitHub
parent 4791093e48
commit 522646c64d
4 changed files with 166 additions and 33 deletions
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98
esphome/components/st7789v/st7789v.cpp
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@@ -102,7 +102,7 @@ void ST7789V::setup() {
this->write_command_(ST7789_INVON);
// Clear display - ensures we do not see garbage at power-on
this->draw_filled_rect_(0, 0, 239, 319, 0x0000);
this->draw_filled_rect_(0, 0, this->get_width_internal(), this->get_height_internal(), 0x0000);
delay(120); // NOLINT
@@ -117,6 +117,12 @@ void ST7789V::setup() {
void ST7789V::dump_config() {
LOG_DISPLAY("", "SPI ST7789V", this);
ESP_LOGCONFIG(TAG, " Model: %s", this->model_str_());
if (this->model_ == ST7789V_MODEL_CUSTOM) {
ESP_LOGCONFIG(TAG, " Height Offset: %u", this->offset_height_);
ESP_LOGCONFIG(TAG, " Width Offset: %u", this->offset_width_);
}
ESP_LOGCONFIG(TAG, " 8-bit color mode: %s", YESNO(this->eightbitcolor_));
LOG_PIN(" CS Pin: ", this->cs_);
LOG_PIN(" DC Pin: ", this->dc_pin_);
LOG_PIN(" Reset Pin: ", this->reset_pin_);
@@ -131,13 +137,41 @@ void ST7789V::update() {
this->write_display_data();
}
void ST7789V::loop() {}
void ST7789V::set_model(ST7789VModel model) {
this->model_ = model;
switch (this->model_) {
case ST7789V_MODEL_TTGO_TDISPLAY_135_240:
this->height_ = 240;
this->width_ = 135;
this->offset_height_ = 52;
this->offset_width_ = 40;
break;
case ST7789V_MODEL_ADAFRUIT_FUNHOUSE_240_240:
this->height_ = 240;
this->width_ = 240;
this->offset_height_ = 0;
this->offset_width_ = 0;
break;
case ST7789V_MODEL_ADAFRUIT_RR_280_240:
this->height_ = 280;
this->width_ = 240;
this->offset_height_ = 0;
this->offset_width_ = 20;
break;
default:
break;
}
}
void ST7789V::write_display_data() {
uint16_t x1 = 52; // _offsetx
uint16_t x2 = 186; // _offsetx
uint16_t y1 = 40; // _offsety
uint16_t y2 = 279; // _offsety
uint16_t x1 = this->offset_height_;
uint16_t x2 = x1 + get_width_internal() - 1;
uint16_t y1 = this->offset_width_;
uint16_t y2 = y1 + get_height_internal() - 1;
this->enable();
@@ -156,7 +190,19 @@ void ST7789V::write_display_data() {
this->write_byte(ST7789_RAMWR);
this->dc_pin_->digital_write(true);
this->write_array(this->buffer_, this->get_buffer_length_());
if (this->eightbitcolor_) {
for (int line = 0; line < this->get_buffer_length_(); line = line + this->get_width_internal()) {
for (int index = 0; index < this->get_width_internal(); ++index) {
auto color = display::ColorUtil::color_to_565(
display::ColorUtil::to_color(this->buffer_[index + line], display::ColorOrder::COLOR_ORDER_RGB,
display::ColorBitness::COLOR_BITNESS_332, true));
this->write_byte((color >> 8) & 0xff);
this->write_byte(color & 0xff);
}
}
} else {
this->write_array(this->buffer_, this->get_buffer_length_());
}
this->disable();
}
@@ -219,15 +265,10 @@ void ST7789V::write_color_(uint16_t color, uint16_t size) {
return write_array(byte, size * 2);
}
int ST7789V::get_height_internal() {
return 240; // 320;
}
int ST7789V::get_width_internal() {
return 135; // 240;
}
size_t ST7789V::get_buffer_length_() {
if (this->eightbitcolor_) {
return size_t(this->get_width_internal()) * size_t(this->get_height_internal());
}
return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) * 2;
}
@@ -238,7 +279,6 @@ size_t ST7789V::get_buffer_length_() {
// y2: End Y coordinate
// color: color
void ST7789V::draw_filled_rect_(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color) {
// ESP_LOGD(TAG,"offset(x)=%d offset(y)=%d",dev->_offsetx,dev->_offsety);
this->enable();
this->dc_pin_->digital_write(false);
this->write_byte(ST7789_CASET); // set column(x) address
@@ -263,11 +303,29 @@ void HOT ST7789V::draw_absolute_pixel_internal(int x, int y, Color color) {
if (x >= this->get_width_internal() || x < 0 || y >= this->get_height_internal() || y < 0)
return;
auto color565 = display::ColorUtil::color_to_565(color);
if (this->eightbitcolor_) {
auto color332 = display::ColorUtil::color_to_332(color);
uint32_t pos = (x + y * this->get_width_internal());
this->buffer_[pos] = color332;
} else {
auto color565 = display::ColorUtil::color_to_565(color);
uint32_t pos = (x + y * this->get_width_internal()) * 2;
this->buffer_[pos++] = (color565 >> 8) & 0xff;
this->buffer_[pos] = color565 & 0xff;
}
}
uint16_t pos = (x + y * this->get_width_internal()) * 2;
this->buffer_[pos++] = (color565 >> 8) & 0xff;
this->buffer_[pos] = color565 & 0xff;
const char *ST7789V::model_str_() {
switch (this->model_) {
case ST7789V_MODEL_TTGO_TDISPLAY_135_240:
return "TTGO T-Display 135x240";
case ST7789V_MODEL_ADAFRUIT_FUNHOUSE_240_240:
return "Adafruit Funhouse 240x240";
case ST7789V_MODEL_ADAFRUIT_RR_280_240:
return "Adafruit Round-Rectangular 280x240";
default:
return "Custom";
}
}
} // namespace st7789v