63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#ifndef PANEL_DEVICE_H
|
|
#define PANEL_DEVICE_H
|
|
|
|
#include <esp_lcd_panel_dev.h>
|
|
#include <esp_lcd_panel_ops.h>
|
|
#include <esp_lcd_panel_ssd1306.h>
|
|
#include <driver/i2c_types.h>
|
|
#include <esp_lcd_panel_io.h>
|
|
#include <esp_log.h>
|
|
#include "display/lv_display.h"
|
|
|
|
#include "i2c.h"
|
|
|
|
#define LVGL_PALETTE_SIZE 8
|
|
|
|
class IPanelDevice {
|
|
public:
|
|
explicit IPanelDevice(i2c_master_bus_handle_t i2c,
|
|
esp_lcd_panel_io_i2c_config_t io_config) :
|
|
i2c_bus_(i2c),
|
|
io_config_(io_config) { }
|
|
|
|
virtual ~IPanelDevice() = default;
|
|
|
|
[[nodiscard]] lv_display_t *create_display() const
|
|
{
|
|
auto display = lv_display_create(width_, height_);
|
|
assert(display);
|
|
return display;
|
|
}
|
|
|
|
void create_panel(esp_lcd_panel_dev_config_t &config,
|
|
esp_lcd_panel_io_handle_t io,
|
|
esp_lcd_panel_handle_t &panel)
|
|
{
|
|
// If the passed handle is already allocated, delete it.
|
|
if (panel != nullptr) {
|
|
ESP_LOGI(TAG, "Removing unused panel");
|
|
esp_lcd_panel_del(panel);
|
|
}
|
|
|
|
ESP_LOGI(TAG, "Install SSD1306 panel driver");
|
|
init_panel(config, io, panel);
|
|
}
|
|
|
|
int32_t width_;
|
|
int32_t height_;
|
|
|
|
// LVGL reserves 2x4 bytes in the buffer to be used as a palette.
|
|
size_t lv_buf_size_;
|
|
// TODO: Can we use a static accessor in I2C instead?
|
|
i2c_master_bus_handle_t i2c_bus_;
|
|
|
|
esp_lcd_panel_io_i2c_config_t io_config_;
|
|
|
|
private:
|
|
virtual void init_panel(esp_lcd_panel_dev_config_t &config,
|
|
esp_lcd_panel_io_handle_t io,
|
|
esp_lcd_panel_handle_t &panel) = 0;
|
|
};
|
|
|
|
#endif // PANEL_DEVICE_H
|