Shaun Reed
356d8ccd9a
E (413) i2c: CONFLICT! driver_ng is not allowed to be used with this old driver
133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
#include <esp_lcd_io_i2c.h>
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#include "driver/i2c_master.h"
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#include "esp_lcd_panel_ssd1306.h"
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#include "esp_lvgl_port.h"
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#include "HardwareSerial.h"
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#include "WiFi.h"
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static const char *TAG = "lcd-panel";
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// https://www.digikey.com/en/products/detail/winstar-display/WEA012864DWPP3N00003/20533255
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// According to SSD1306 datasheet
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// Bit number used to represent command and parameter
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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#define LCD_H_RES SCREEN_WIDTH
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#define LCD_V_RES SCREEN_HEIGHT
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#define I2C_HW_ADDR 0x3C
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#define LCD_PIXEL_CLOCK_HZ (400 * 1000)
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#define LCD_CMD_BITS 8
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#define LCD_PARAM_BITS 8
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#define PIN_NUM_RST -1
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// Pin may vary based on your schematic
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#define SDA_PIN GPIO_NUM_21
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#define SCL_PIN GPIO_NUM_22
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#include "Wire.h"
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#include "HardwareI2C.h"
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#include "hal/lv_hal_disp.h"
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#include "core/lv_obj.h"
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void setup()
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{
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Serial.begin(115200);
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Wire.begin();
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ESP_LOGI(TAG, "Initialize I2C bus");
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Serial.println("Initialize I2C bus");
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i2c_master_bus_handle_t i2c_bus = nullptr;
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i2c_master_bus_config_t bus_config = {
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.i2c_port = I2C_STATUS_READ,
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.sda_io_num = SDA_PIN,
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.scl_io_num = SCL_PIN,
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.clk_source = I2C_CLK_SRC_DEFAULT,
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.glitch_ignore_cnt = 7,
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.intr_priority = 0,
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.trans_queue_depth = 0,
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.flags = {
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.enable_internal_pullup = true,
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}
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};
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ESP_ERROR_CHECK(i2c_new_master_bus(&bus_config, &i2c_bus));
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ESP_LOGI(TAG, "Install panel IO");
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Serial.println("Install panel IO");
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esp_lcd_panel_io_handle_t io_handle = nullptr;
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esp_lcd_panel_io_i2c_config_t io_config = {
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.dev_addr = I2C_HW_ADDR,
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.control_phase_bytes = 1,
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.dc_bit_offset = 6,
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.lcd_cmd_bits = LCD_CMD_BITS,
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.lcd_param_bits = LCD_PARAM_BITS,
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.scl_speed_hz = LCD_PIXEL_CLOCK_HZ,
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};
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ESP_LOGI(TAG, "Install SSD1306 panel driver");
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c(i2c_bus, &io_config, &io_handle));
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esp_lcd_panel_handle_t panel_handle = nullptr;
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esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = PIN_NUM_RST,
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.bits_per_pixel = 1,
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};
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esp_lcd_panel_ssd1306_config_t ssd1306_config = {
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.height = LCD_V_RES,
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};
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panel_config.vendor_config = &ssd1306_config;
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ESP_LOGI(TAG, "Install SSD1306 panel driver");
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Serial.println("Install SSD1306 panel driver");
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ESP_ERROR_CHECK(
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esp_lcd_new_panel_ssd1306(io_handle, &panel_config, &panel_handle));
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ESP_LOGI(TAG, "Initialize LVGL");
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Serial.println("Initialize LVGL");
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const lvgl_port_cfg_t lvgl_cfg = ESP_LVGL_PORT_INIT_CONFIG();
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lvgl_port_init(&lvgl_cfg);
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const lvgl_port_display_cfg_t disp_cfg = {
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.io_handle = io_handle,
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.panel_handle = panel_handle,
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.buffer_size = LCD_H_RES * LCD_V_RES,
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.double_buffer = true,
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.hres = LCD_H_RES,
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.vres = LCD_V_RES,
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.monochrome = true,
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.rotation = {
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.swap_xy = false,
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.mirror_x = false,
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.mirror_y = false,
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},
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.flags = {
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.sw_rotate = false,
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}
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};
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lv_disp_t *disp = lvgl_port_add_disp(&disp_cfg);
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ESP_LOGI(TAG, "Display Scroll Text");
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Serial.println("Display Scroll Text");
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// Lock the mutex due to the LVGL APIs are not thread-safe
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if (lvgl_port_lock(0)) {
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Serial.println("Display Scroll Text mutex aquired");
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/* Rotation of the screen */
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lv_disp_set_rotation(disp, LV_DISP_ROT_NONE);
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//
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// TODO: Set text here
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lv_obj_t *scr = lv_disp_get_scr_act(disp);
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lv_obj_t *label = lv_label_create(scr);
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// Circular scroll
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lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR);
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lv_label_set_text(label, "Hello world!");
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// Size of the screen
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// If you use rotation 90 or 270, please set disp->driver->ver_res
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lv_obj_set_width(label, lv_disp_get_physical_hor_res(disp));
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lv_obj_align(label, LV_ALIGN_TOP_MID, 0, 0);
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// Release the mutex
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lvgl_port_unlock();
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}
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}
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void loop()
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{
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} |