Cleaned the lv_port_indev c file to now use the CST816D chip driver

src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_indev.c

@@ -0,0 +1,123 @@
+/**
+ * @file lv_port_indev_templ.c
+ *
+ */
+
+/*Copy this file as "lv_port_indev.c" and set this value to "1" to enable content*/
+#if 1
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_port_indev.h"
+#include "wm_gpio.h"
+#include "app_config.h"
+#include "CST816D.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void touchpad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+static lv_indev_t * indev_touchpad;
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   LOCAL FUNCTIONS
+ **********************/
+static void touch_panel_isr(void *arg)
+{
+    CST816D_Touch_Data_t *p = arg;
+    tls_clr_gpio_irq_status(LCD_TOUCH_PANEL_IRQ);
+    CST816D_read_touch_event(p);
+}
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_port_indev_init(void)
+{
+    /**
+     * Here you will find example implementation of input devices supported by LittelvGL:
+     *  - Touchpad
+     *  - Mouse (with cursor support)
+     *  - Keypad (supports GUI usage only with key)
+     *  - Encoder (supports GUI usage only with: left, right, push)
+     *  - Button (external buttons to press points on the screen)
+     *
+     *  The `..._read()` function are only examples.
+     *  You should shape them according to your hardware
+     */
+
+    static lv_indev_drv_t indev_drv;
+    static CST816D_Touch_Data_t CST816D_Touch_Data;
+
+    /*------------------
+     * Touchpad
+     * -----------------*/
+
+    /*Initialize your touchpad if you have*/
+    // Let's configure the needed interrupt pin to detect and read touch screen events
+    tls_gpio_cfg(LCD_TOUCH_PANEL_IRQ, WM_GPIO_DIR_INPUT, WM_GPIO_ATTR_PULLHIGH);
+    tls_gpio_isr_register(LCD_TOUCH_PANEL_IRQ, &(touch_panel_isr), &CST816D_Touch_Data);
+    tls_gpio_irq_enable(LCD_TOUCH_PANEL_IRQ, WM_GPIO_IRQ_TRIG_FALLING_EDGE);
+
+    memset(&CST816D_Touch_Data, 0, sizeof CST816D_Touch_Data);
+
+    /*Register a touchpad input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_POINTER;
+    indev_drv.read_cb = touchpad_read;
+    indev_drv.user_data = &CST816D_Touch_Data;
+    indev_touchpad = lv_indev_drv_register(&indev_drv);
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+/*------------------
+ * Touchpad
+ * -----------------*/
+
+static void touchpad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
+{
+    static lv_coord_t last_x = 0;
+    static lv_coord_t last_y = 0;
+
+    CST816D_Touch_Data_t *p = indev_drv->user_data;
+
+    // Save the pressed coordinates and the state
+    if(p->isValid && p->event == CST816D_Event_Pressed) {
+        last_x = p->touch_x;
+        last_y = p->touch_y;
+        data->state = LV_INDEV_STATE_PR;
+    }
+    else {
+        data->state = LV_INDEV_STATE_REL;
+    }
+
+    // Set the last pressed coordinates
+    data->point.x = 239-last_x;
+    data->point.y = 239-last_y;
+}
+
+#else /*Enable this file at the top*/
+
+/*This dummy typedef exists purely to silence -Wpedantic.*/
+typedef int keep_pedantic_happy;
+#endif