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https://github.com/esphome/esphome.git
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726b0e73d9
* Add more efficient SPI implementation * Lint * Add 200KHZ * Updates * Fix write_byte * Update from datasheet * Shift clock * Fix calculation
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#include "ssd1306_spi.h"
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#include "esphome/core/log.h"
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#include "esphome/core/application.h"
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namespace esphome {
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namespace ssd1306_spi {
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static const char *TAG = "ssd1306_spi";
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void SPISSD1306::setup() {
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ESP_LOGCONFIG(TAG, "Setting up SPI SSD1306...");
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this->spi_setup();
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this->dc_pin_->setup(); // OUTPUT
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this->init_reset_();
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SSD1306::setup();
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}
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void SPISSD1306::dump_config() {
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LOG_DISPLAY("", "SPI SSD1306", this);
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ESP_LOGCONFIG(TAG, " Model: %s", this->model_str_());
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LOG_PIN(" CS Pin: ", this->cs_);
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LOG_PIN(" DC Pin: ", this->dc_pin_);
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LOG_PIN(" Reset Pin: ", this->reset_pin_);
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ESP_LOGCONFIG(TAG, " External VCC: %s", YESNO(this->external_vcc_));
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LOG_UPDATE_INTERVAL(this);
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}
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void SPISSD1306::command(uint8_t value) {
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this->dc_pin_->digital_write(false);
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this->enable();
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this->write_byte(value);
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this->disable();
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}
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void HOT SPISSD1306::write_display_data() {
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if (this->is_sh1106_()) {
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for (uint8_t y = 0; y < this->get_height_internal() / 8; y++) {
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this->command(0xB0 + y);
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this->command(0x02);
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this->command(0x10);
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this->dc_pin_->digital_write(true);
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for (uint8_t x = 0; x < this->get_width_internal(); x++) {
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this->enable();
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this->write_byte(this->buffer_[x + y * this->get_width_internal()]);
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this->disable();
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App.feed_wdt();
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}
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}
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} else {
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this->dc_pin_->digital_write(true);
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this->enable();
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this->write_array(this->buffer_, this->get_buffer_length_());
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this->disable();
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}
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}
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} // namespace ssd1306_spi
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} // namespace esphome
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