klips/esp/cpp/07_lcd-panel/main/ssd1306.cpp

#include "ssd1306.h"

// To use LV_COLOR_FORMAT_I1 we need an extra buffer to hold the converted data.
uint8_t SSD1306::oled_buffer_[LCD_H_RES * LCD_V_RES / 8];

SSD1306::SSD1306(I2C& i2c,
                 esp_lcd_panel_ssd1306_config_t config,
                 int width,
                 int height) :
    IPanelDevice(i2c,
                 (esp_lcd_panel_io_i2c_config_t) {
                     .dev_addr = I2C_HW_ADDR,
                     .control_phase_bytes = 1,
                     .dc_bit_offset = 6,
                     .lcd_cmd_bits = LCD_CMD_BITS,
                     .lcd_param_bits = LCD_CMD_BITS,
                     .scl_speed_hz = LCD_PIXEL_CLOCK_HZ,
                 },
                 width,
                 height
    ),
    ssd1306_config_(config)
{ }

void SSD1306::init_panel(esp_lcd_panel_dev_config_t &config,
                         esp_lcd_panel_io_handle_t io,
                         esp_lcd_panel_handle_t &panel)
{
  // Allocate SSD1306 panel handle.
  config.vendor_config = &ssd1306_config_;
  ESP_ERROR_CHECK(esp_lcd_new_panel_ssd1306(io, &config, &panel));
}