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SSD1325 grayscale support (#1064)

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* SSD1325 grayscale support implemented

* Linted

* Fix garbage on display at power-up

* Rebase

* Linted

* Add brightness control, CS fixes

* Fix up SSD1327 init

* Add turn_on() and turn_off() methods

* Set brightness later in setup(), logging tweak

* Added is_on() method

* Added  grayscale image support

* Updated to use Color, 1327 GS fix
This commit is contained in:
Keith Burzinski
2020-07-09 19:53:49 -05:00
committed by GitHub
parent c693c219f4
commit 7fa98e288f
8 changed files with 129 additions and 86 deletions
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esphome/components/ssd1325_spi/ssd1325_spi.cpp
+4 -15
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@@ -21,9 +21,11 @@ void SPISSD1325::setup() {
void SPISSD1325::dump_config() {
LOG_DISPLAY("", "SPI SSD1325", this);
ESP_LOGCONFIG(TAG, " Model: %s", this->model_str_());
LOG_PIN(" CS Pin: ", this->cs_);
if (this->cs_)
LOG_PIN(" CS Pin: ", this->cs_);
LOG_PIN(" DC Pin: ", this->dc_pin_);
LOG_PIN(" Reset Pin: ", this->reset_pin_);
ESP_LOGCONFIG(TAG, " Initial Brightness: %.2f", this->brightness_);
ESP_LOGCONFIG(TAG, " External VCC: %s", YESNO(this->external_vcc_));
LOG_UPDATE_INTERVAL(this);
}
@@ -48,20 +50,7 @@ void HOT SPISSD1325::write_display_data() {
this->cs_->digital_write(false);
delay(1);
this->enable();
for (uint16_t x = 0; x < this->get_width_internal(); x += 2) {
for (uint16_t y = 0; y < this->get_height_internal(); y += 8) { // we write 8 pixels at once
uint8_t left8 = this->buffer_[y * 16 + x];
uint8_t right8 = this->buffer_[y * 16 + x + 1];
for (uint8_t p = 0; p < 8; p++) {
uint8_t d = 0;
if (left8 & (1 << p))
d |= 0xF0;
if (right8 & (1 << p))
d |= 0x0F;
this->write_byte(d);
}
}
}
this->write_array(this->buffer_, this->get_buffer_length_());
if (this->cs_)
this->cs_->digital_write(true);
this->disable();