initial commit

2023-12-25 12:42:06 +01:00
commit 6fd12b2160
24 changed files with 1166 additions and 0 deletions
@@ -0,0 +1,62 @@
+#include "board_2432s024_touch.h"
+
+#include <esp_lcd_touch_cst816s.h>
+#include <esp_err.h>
+#include <driver/i2c.h>
+#include <esp_check.h>
+
+#define CST816_I2C_PORT (0)
+
+const char* TAG = "cst816";
+
+static esp_err_t cst816_init_io(esp_lcd_panel_io_handle_t* io_handle) {
+    // Init I2C
+    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
+    };
+    ESP_RETURN_ON_ERROR(i2c_param_config(CST816_I2C_PORT, &i2c_conf), TAG, "i2c config failed");
+    ESP_RETURN_ON_ERROR(i2c_driver_install(CST816_I2C_PORT, i2c_conf.mode, 0, 0, 0), TAG, "i2c driver install failed");
+
+    // Configure I2C
+    const esp_lcd_panel_io_i2c_config_t touch_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
+    ESP_RETURN_ON_ERROR(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)CST816_I2C_PORT, &touch_io_config, io_handle), TAG, "esp_lcd_panel creation failed");
+
+    return ESP_OK;
+}
+
+static esp_err_t cst816_create_touch(esp_lcd_panel_io_handle_t io_handle, esp_lcd_touch_handle_t* touch_handle) {
+    // Configure 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,
+    };
+
+    // Init touch
+    return esp_lcd_touch_new_i2c_cst816s(io_handle, &config, touch_handle);
+}
+
+nb_touch_driver_t board_2432s024_create_touch_driver() {
+    nb_touch_driver_t driver = {
+        .name = "cst816s_2432s024",
+        .init_io = cst816_init_io,
+        .create_touch = &cst816_create_touch
+    };
+    return driver;
+}