esphome/esphome/components/ssd1306_spi/ssd1306_spi.cpp
2021-12-02 09:03:51 +13:00

61 lines
1.9 KiB
C++

#include "ssd1306_spi.h"
#include "esphome/core/log.h"
#include "esphome/core/application.h"
namespace esphome {
namespace ssd1306_spi {
static const char *const TAG = "ssd1306_spi";
void SPISSD1306::setup() {
ESP_LOGCONFIG(TAG, "Setting up SPI SSD1306...");
this->spi_setup();
this->dc_pin_->setup(); // OUTPUT
this->init_reset_();
SSD1306::setup();
}
void SPISSD1306::dump_config() {
LOG_DISPLAY("", "SPI SSD1306", this);
ESP_LOGCONFIG(TAG, " Model: %s", this->model_str_());
LOG_PIN(" CS Pin: ", this->cs_);
LOG_PIN(" DC Pin: ", this->dc_pin_);
LOG_PIN(" Reset Pin: ", this->reset_pin_);
ESP_LOGCONFIG(TAG, " External VCC: %s", YESNO(this->external_vcc_));
ESP_LOGCONFIG(TAG, " Flip X: %s", YESNO(this->flip_x_));
ESP_LOGCONFIG(TAG, " Flip Y: %s", YESNO(this->flip_y_));
ESP_LOGCONFIG(TAG, " Offset X: %d", this->offset_x_);
ESP_LOGCONFIG(TAG, " Offset Y: %d", this->offset_y_);
ESP_LOGCONFIG(TAG, " Inverted Color: %s", YESNO(this->invert_));
LOG_UPDATE_INTERVAL(this);
}
void SPISSD1306::command(uint8_t value) {
this->dc_pin_->digital_write(false);
this->enable();
this->write_byte(value);
this->disable();
}
void HOT SPISSD1306::write_display_data() {
if (this->is_sh1106_()) {
for (uint8_t y = 0; y < (uint8_t) this->get_height_internal() / 8; y++) {
this->command(0xB0 + y);
this->command(0x02);
this->command(0x10);
this->dc_pin_->digital_write(true);
for (uint8_t x = 0; x < (uint8_t) this->get_width_internal(); x++) {
this->enable();
this->write_byte(this->buffer_[x + y * this->get_width_internal()]);
this->disable();
App.feed_wdt();
}
}
} else {
this->dc_pin_->digital_write(true);
this->enable();
this->write_array(this->buffer_, this->get_buffer_length_());
this->disable();
}
}
} // namespace ssd1306_spi
} // namespace esphome