klips/esp/cpp/07_lcd-panel/main/ssd1306.cpp
2025-02-15 17:12:45 -05:00

38 lines
1.2 KiB
C++

#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_master_bus_handle_t i2c,
esp_lcd_panel_ssd1306_config_t config,
int width,
int height) :
IPanelDevice(i2c,
PIN_RST,
(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,
}
),
ssd1306_config_(config)
{
this->width_ = width;
this->height_ = height;
this->reset_gpio_num_ = PIN_RST;
this->lv_buf_size_ = width_ * height_ / 8 + LVGL_PALETTE_SIZE;
}
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));
}