Docking lvgl touch driver using package (#6149)

* Docking lvgl touch driver using package

bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_port_indev.c

@@ -1,35 +1,55 @@
 /*
- * Copyright (c) 2006-2021, RT-Thread Development Team
+ * Copyright (c) 2006-2022, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
- * 2021-10-18     Meco Man     The first version
+ * 2022-07-07     liYony       The first version
  */
 #include <lvgl.h>
 #include <rtdevice.h>
-
 #include <lcd_port.h>
 
-static lv_indev_state_t last_state = LV_INDEV_STATE_REL;
-static rt_int16_t last_x = 0;
-static rt_int16_t last_y = 0;
+#define DBG_TAG    "LVGL.port.indev"
+#define DBG_LVL    DBG_INFO
+#include <rtdbg.h>
+
+/* Include the package header files you are using */
+#ifdef BSP_USING_TOUCH_FT6X36
+#include "ft6236.h"
+#endif /* BSP_USING_TOUCH_FT6X36 */
+
+/* Touch chip connection information */
+#define BSP_TOUCH_I2C_BUS_NAME      "i2c1"
+#define BSP_TOUCH_I2C_RESET_PIN      119 /* PH.7 */
+/* RT-Thread touch device name */
+#define TOUCH_DEV_NAME "touch"
 
 lv_indev_t * touch_indev;
+rt_device_t touch_dev;
+struct rt_touch_data *read_data;
 
 static void input_read(lv_indev_drv_t *indev_drv, lv_indev_data_t *data)
 {
-    data->point.x = last_x;
-    data->point.y = last_y;
-    data->state = last_state;
-}
+    rt_device_read(touch_dev, 0, read_data, 1);
 
-void lv_port_indev_input(rt_int16_t x, rt_int16_t y, lv_indev_state_t state)
-{
-    last_state = state;
-    last_x = x;
-    last_y = LCD_HEIGHT - y;
+    if (read_data->event == RT_TOUCH_EVENT_NONE)
+        return;
+
+    /* Since the origin of the LCD screen and the origin of the touch screen are
+     * different, the parameters passed in here need to be simply converted. */
+#ifdef BSP_USING_TOUCH_FT6X36
+    data->point.x = read_data->y_coordinate;
+    data->point.y = LCD_HEIGHT - read_data->x_coordinate;
+#endif /* BSP_USING_TOUCH_FT6X36 */
+
+    if (read_data->event == RT_TOUCH_EVENT_DOWN)
+        data->state = LV_INDEV_STATE_PR;
+    if (read_data->event == RT_TOUCH_EVENT_MOVE)
+        data->state = LV_INDEV_STATE_PR;
+    if (read_data->event == RT_TOUCH_EVENT_UP)
+        data->state = LV_INDEV_STATE_REL;
 }
 
 void lv_port_indev_init(void)
@@ -43,3 +63,26 @@ void lv_port_indev_init(void)
     /*Register the driver in LVGL and save the created input device object*/
     touch_indev = lv_indev_drv_register(&indev_drv);
 }
+
+static int lv_hw_touch_init(void)
+{
+    struct rt_touch_config cfg;
+
+#ifdef BSP_USING_TOUCH_FT6X36
+    cfg.dev_name = BSP_TOUCH_I2C_BUS_NAME;
+    rt_hw_ft6236_init(TOUCH_DEV_NAME, &cfg, BSP_TOUCH_I2C_RESET_PIN);
+#endif /* BSP_USING_TOUCH_FT6X36 */
+
+    touch_dev = rt_device_find(TOUCH_DEV_NAME);
+    if (rt_device_open(touch_dev, RT_DEVICE_FLAG_RDONLY) != RT_EOK)
+    {
+        LOG_E("Can't open touch device:%s", TOUCH_DEV_NAME);
+        return -RT_ERROR;
+    }
+
+    read_data = (struct rt_touch_data *)rt_calloc(1, sizeof(struct rt_touch_data));
+
+    return RT_EOK;
+}
+
+INIT_COMPONENT_EXPORT(lv_hw_touch_init);

bsp/stm32/stm32f469-st-disco/board/Kconfig

@@ -15,6 +15,13 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_TOUCH
         default n
 
+    if BSP_USING_LVGL
+        config BSP_USING_LVGL_DEMO
+            bool "Enable LVGL demo"
+            select PKG_USING_LV_MUSIC_DEMO
+            default n
+    endif
+    
     config BSP_USING_ARDUINO
         bool "Support Arduino"
         select PKG_USING_RTDUINO
@@ -39,13 +46,6 @@ menu "Onboard Peripheral Drivers"
         imply RTDUINO_USING_ADAFRUIT
         imply RTDUINO_USING_MSTIMER2
         default n
-        
-    if BSP_USING_LVGL
-        config BSP_USING_LVGL_DEMO
-            bool "Enable LVGL demo"
-            select PKG_USING_LV_MUSIC_DEMO
-            default n
-    endif
 
     config BSP_USING_SDRAM
         bool "Enable SDRAM"

bsp/stm32/stm32f469-st-disco/board/ports/touch/SConscript

@@ -7,9 +7,6 @@ if GetDepend(['BSP_USING_TOUCH_FT6206']):
     src    += Glob('drv_touch.c')
     src    += Glob('drv_touch_ft6206.c')
 
-if GetDepend(['BSP_USING_TOUCH_FT6X36']):
-    src    += Glob('drv_touch_ft6x36.c')
-
 CPPPATH = [cwd]
 
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)

bsp/stm32/stm32f469-st-disco/board/ports/touch/drv_touch_ft6x36.c

@@ -1,86 +0,0 @@
-/*
- * Copyright (c) 2006-2022, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2022-06-29     solar        the first version
- */
-
-#include <rtthread.h>
-#include <rtdevice.h>
-#include "touch.h"
-#include "lcd_port.h"
-#include "drv_common.h"
-
-#define DBG_TAG "ft6236"
-#define DBG_LVL DBG_LOG
-#include <rtdbg.h>
-
-#ifdef BSP_USING_TOUCH_FT6X36
-
-#include "ft6236.h"
-
-#define BSP_TOUCH_I2C_BUS_NAME "i2c1"
-#define BSP_TOUCH_I2C_RESET_PIN 119 /* PH.7 */
-
-#ifdef PKG_USING_LVGL
-#include <lvgl.h>
-extern void lv_port_indev_input(rt_int16_t x, rt_int16_t y, lv_indev_state_t state);
-#endif /* PKG_USING_LVGL */
-
-rt_thread_t ft6236_thread;
-rt_device_t touch;
-
-void ft6236_thread_entry(void *parameter)
-{
-    struct rt_touch_data *read_data;
-
-    read_data = (struct rt_touch_data *)rt_calloc(1, sizeof(struct rt_touch_data));
-
-    while (1)
-    {
-        rt_device_read(touch, 0, read_data, 1);
-#ifdef PKG_USING_LVGL
-        /* Since the origin of the LCD screen and the origin of the touch screen are
-         * different, the parameters passed in here need to be simply converted. */
-        if (read_data->event == RT_TOUCH_EVENT_DOWN)
-            lv_port_indev_input(read_data->y_coordinate, read_data->x_coordinate, LV_INDEV_STATE_PR);
-
-        if (read_data->event == RT_TOUCH_EVENT_MOVE)
-            lv_port_indev_input(read_data->y_coordinate, read_data->x_coordinate, LV_INDEV_STATE_PR);
-
-        if (read_data->event == RT_TOUCH_EVENT_UP)
-            lv_port_indev_input(read_data->y_coordinate, read_data->x_coordinate, LV_INDEV_STATE_REL);
-#endif /* PKG_USING_LVGL */
-        if (read_data->event != RT_TOUCH_EVENT_NONE)
-            LOG_I("LCD point x: %03d y: %03d", read_data->y_coordinate, LCD_HEIGHT - read_data->x_coordinate);
-        rt_thread_delay(10);
-    }
-}
-
-int ft6236_for_lvgl(void)
-{
-    struct rt_touch_config cfg;
-
-    cfg.dev_name = BSP_TOUCH_I2C_BUS_NAME;
-    rt_hw_ft6236_init("touch", &cfg, BSP_TOUCH_I2C_RESET_PIN);
-
-    touch = rt_device_find("touch");
-    rt_device_open(touch, RT_DEVICE_FLAG_RDONLY);
-
-    ft6236_thread = rt_thread_create("touch", ft6236_thread_entry, RT_NULL, 1024, 10, 20);
-    if (ft6236_thread == RT_NULL)
-    {
-        LOG_D("create ft6236 thread err");
-
-        return -RT_ENOMEM;
-    }
-    rt_thread_startup(ft6236_thread);
-
-    return RT_EOK;
-}
-INIT_ENV_EXPORT(ft6236_for_lvgl);
-
-#endif /* BSP_USING_TOUCH_FT6X36 */