108 lines
3.2 KiB
C
Executable File
108 lines
3.2 KiB
C
Executable File
#include <stdio.h>
|
|
#include "driver/i2c_master.h"
|
|
#include "esp_err.h"
|
|
#include "esp_lcd_panel_io.h"
|
|
#include "esp_lcd_panel_ops.h"
|
|
#include "esp_lcd_panel_sh1106.h"
|
|
#include "esp_log.h"
|
|
#include "esp_lvgl_port.h"
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
#include "lvgl.h"
|
|
|
|
static const char* TAG = "example";
|
|
|
|
#define I2C_BUS_PORT 0
|
|
#define EXAMPLE_PIN_NUM_SDA 35
|
|
#define EXAMPLE_PIN_NUM_SCL 36
|
|
|
|
// The pixel number in horizontal and vertical
|
|
#define EXAMPLE_LCD_H_RES 128
|
|
#define EXAMPLE_LCD_V_RES 64
|
|
|
|
void example_lvgl_demo_ui(lv_disp_t* disp) {
|
|
lv_obj_t* scr = lv_disp_get_scr_act(disp);
|
|
lv_obj_t* label = lv_label_create(scr);
|
|
lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR);
|
|
lv_label_set_text(label, "Hello Espressif, Hello LVGL.");
|
|
/* Size of the screen (if you use rotation 90 or 270, please set
|
|
* disp->driver->ver_res) */
|
|
lv_obj_set_width(label, disp->driver->hor_res);
|
|
lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
|
|
}
|
|
|
|
void app_main(void) {
|
|
ESP_LOGI(TAG, "Initialize I2C bus");
|
|
i2c_master_bus_config_t bus_config = {
|
|
.i2c_port = I2C_BUS_PORT,
|
|
.sda_io_num = EXAMPLE_PIN_NUM_SDA,
|
|
.scl_io_num = EXAMPLE_PIN_NUM_SCL,
|
|
.clk_source = I2C_CLK_SRC_DEFAULT,
|
|
.glitch_ignore_cnt = 7,
|
|
.intr_priority = 0,
|
|
.trans_queue_depth = 0,
|
|
.flags =
|
|
{
|
|
.enable_internal_pullup = true,
|
|
.allow_pd = false,
|
|
},
|
|
};
|
|
i2c_master_bus_handle_t i2c_bus_handle = NULL;
|
|
ESP_ERROR_CHECK(i2c_new_master_bus(&bus_config, &i2c_bus_handle));
|
|
|
|
ESP_LOGI(TAG, "Install panel IO");
|
|
esp_lcd_panel_io_handle_t io_handle = NULL;
|
|
esp_lcd_panel_io_i2c_config_t io_config = ESP_SH1106_DEFAULT_IO_CONFIG;
|
|
ESP_ERROR_CHECK(
|
|
esp_lcd_new_panel_io_i2c(i2c_bus_handle, &io_config, &io_handle));
|
|
|
|
esp_lcd_panel_dev_config_t panel_config = {
|
|
.reset_gpio_num = -1,
|
|
.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
|
|
.data_endian = LCD_RGB_DATA_ENDIAN_LITTLE,
|
|
.bits_per_pixel = SH1106_PIXELS_PER_BYTE / 8,
|
|
.flags =
|
|
{
|
|
.reset_active_high = false,
|
|
},
|
|
.vendor_config = NULL,
|
|
};
|
|
|
|
esp_lcd_panel_handle_t panel_handle = NULL;
|
|
ESP_ERROR_CHECK(
|
|
esp_lcd_new_panel_sh1106(io_handle, &panel_config, &panel_handle));
|
|
|
|
ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_handle));
|
|
|
|
ESP_ERROR_CHECK(esp_lcd_panel_init(panel_handle));
|
|
|
|
ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_handle, true));
|
|
|
|
ESP_LOGI(TAG, "Initialize LVGL");
|
|
const lvgl_port_cfg_t lvgl_cfg = ESP_LVGL_PORT_INIT_CONFIG();
|
|
lvgl_port_init(&lvgl_cfg);
|
|
|
|
const lvgl_port_display_cfg_t disp_cfg = {
|
|
.io_handle = io_handle,
|
|
.panel_handle = panel_handle,
|
|
.buffer_size = EXAMPLE_LCD_H_RES * EXAMPLE_LCD_V_RES,
|
|
.double_buffer = true,
|
|
.hres = EXAMPLE_LCD_H_RES,
|
|
.vres = EXAMPLE_LCD_V_RES,
|
|
.monochrome = true,
|
|
.rotation = {
|
|
.swap_xy = true,
|
|
.mirror_x = false,
|
|
.mirror_y = false,
|
|
}};
|
|
lv_disp_t* disp = lvgl_port_add_disp(&disp_cfg);
|
|
|
|
ESP_LOGI(TAG, "Display LVGL Scroll Text");
|
|
// Lock the mutex due to the LVGL APIs are not thread-safe
|
|
if (lvgl_port_lock(0)) {
|
|
example_lvgl_demo_ui(disp);
|
|
// Release the mutex
|
|
lvgl_port_unlock();
|
|
}
|
|
}
|