#include "board_2432s024_touch.h" #include "esp_lcd_touch_cst816s.h" #include "esp_log.h" #include "esp_err.h" #include "driver/i2c.h" #define CST816_I2C_PORT (0) #define TAG "2432s024_cst816" static bool create_touch_device(esp_lcd_panel_io_handle_t* io_handle, esp_lcd_touch_handle_t* touch_handle) { ESP_LOGI(TAG, "creating touch"); const i2c_config_t i2c_conf = { .mode = I2C_MODE_MASTER, .sda_io_num = GPIO_NUM_33, .sda_pullup_en = GPIO_PULLUP_DISABLE, .scl_io_num = GPIO_NUM_32, .scl_pullup_en = GPIO_PULLUP_DISABLE, .master.clk_speed = 400000 }; if (i2c_param_config(CST816_I2C_PORT, &i2c_conf) != ESP_OK) { ESP_LOGE(TAG, "i2c config failed"); return false; } if (i2c_driver_install(CST816_I2C_PORT, i2c_conf.mode, 0, 0, 0) != ESP_OK) { ESP_LOGE(TAG, "i2c driver install failed"); return false; } const esp_lcd_panel_io_i2c_config_t touch_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG(); if (esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)CST816_I2C_PORT, &touch_io_config, io_handle) != ESP_OK) { ESP_LOGE(TAG, "esp_lcd_panel creation failed"); return false; } ESP_LOGI(TAG, "create_touch"); esp_lcd_touch_config_t config = { .x_max = 240, .y_max = 320, .rst_gpio_num = GPIO_NUM_25, .int_gpio_num = GPIO_NUM_21, .levels = { .reset = 0, .interrupt = 0, }, .flags = { .swap_xy = 0, .mirror_x = 0, .mirror_y = 0, }, .interrupt_callback = NULL, }; if (esp_lcd_touch_new_i2c_cst816s(*io_handle, &config, touch_handle) != ESP_OK) { ESP_LOGE(TAG, "esp_lcd_touch_new_i2c_cst816s failed"); return false; } return true; } TouchDriver board_2432s024_create_touch_driver() { return (TouchDriver) { .name = "cst816s_2432s024", .create_touch_device = &create_touch_device }; }