Files
esphome/esphome/components/ssd1325_spi/ssd1325_spi.cpp
2019-10-24 21:59:24 +02:00

65 lines
1.8 KiB
C++

#include "ssd1325_spi.h"
#include "esphome/core/log.h"
#include "esphome/core/application.h"
namespace esphome {
namespace ssd1325_spi {
static const char *TAG = "ssd1325_spi";
void SPISSD1325::setup() {
ESP_LOGCONFIG(TAG, "Setting up SPI SSD1325...");
this->spi_setup();
this->dc_pin_->setup(); // OUTPUT
this->cs_->setup(); // OUTPUT
this->init_reset_();
delay(500); // NOLINT
SSD1325::setup();
}
void SPISSD1325::dump_config() {
LOG_DISPLAY("", "SPI SSD1325", 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_));
LOG_UPDATE_INTERVAL(this);
}
void SPISSD1325::command(uint8_t value) {
this->cs_->digital_write(true);
this->dc_pin_->digital_write(false);
delay(1);
this->enable();
this->cs_->digital_write(false);
this->write_byte(value);
this->cs_->digital_write(true);
this->disable();
}
void HOT SPISSD1325::write_display_data() {
this->cs_->digital_write(true);
this->dc_pin_->digital_write(true);
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->cs_->digital_write(true);
this->disable();
}
} // namespace ssd1325_spi
} // namespace esphome