Remove the double empty lines from all source files (#2009)

* Run dos2unix for all source files

* Remove the trail space from all source files

* Remove the double empty lines from all source files

examples/LVGL_Arduino.ino

@@ -40,14 +40,14 @@ bool my_touchpad_read(lv_indev_drv_t * indev_driver, lv_indev_data_t * data)
       data->state = LV_INDEV_STATE_REL;
     } else {
       data->state = LV_INDEV_STATE_PR;
-	    
+	
       /*Set the coordinates*/
       data->point.x = touchX;
       data->point.y = touchY;
-  
+
       Serial.print("Data x");
       Serial.println(touchX);
-      
+
       Serial.print("Data y");
       Serial.println(touchY);
     }
@@ -70,7 +70,7 @@ void setup()
 
     uint16_t calData[5] = { 275, 3620, 264, 3532, 1 };
     tft.setTouch(calData);
-  
+
     lv_disp_buf_init(&disp_buf, buf, NULL, LV_HOR_RES_MAX * 10);
 
     /*Initialize the display*/
@@ -94,7 +94,6 @@ void setup()
 		lv_ex_btn_1();
 }
 
-
 void loop()
 {
 

examples/porting/lv_port_disp_template.c

@@ -59,16 +59,16 @@ void lv_port_disp_init(void)
      * The buffer has to be greater than 1 display row
      *
      * There are three buffering configurations:
-     * 1. Create ONE buffer with some rows: 
+     * 1. Create ONE buffer with some rows:
      *      LVGL will draw the display's content here and writes it to your display
-     * 
-     * 2. Create TWO buffer with some rows: 
+     *
+     * 2. Create TWO buffer with some rows:
      *      LVGL will draw the display's content to a buffer and writes it your display.
      *      You should use DMA to write the buffer's content to the display.
      *      It will enable LVGL to draw the next part of the screen to the other buffer while
      *      the data is being sent form the first buffer. It makes rendering and flushing parallel.
-     * 
-     * 3. Create TWO screen-sized buffer: 
+     *
+     * 3. Create TWO screen-sized buffer:
      *      Similar to 2) but the buffer have to be screen sized. When LVGL is ready it will give the
      *      whole frame to display. This way you only need to change the frame buffer's address instead of
      *      copying the pixels.
@@ -91,7 +91,6 @@ void lv_port_disp_init(void)
     static lv_color_t draw_buf_3_1[LV_HOR_RES_MAX * LV_VER_RES_MAX];            /*An other screen sized buffer*/
     lv_disp_buf_init(&draw_buf_dsc_3, draw_buf_3_1, draw_buf_3_2, LV_HOR_RES_MAX * LV_VER_RES_MAX);   /*Initialize the display buffer*/
 
-
     /*-----------------------------------
      * Register the display in LVGL
      *----------------------------------*/
@@ -157,7 +156,6 @@ static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_colo
     lv_disp_flush_ready(disp_drv);
 }
 
-
 /*OPTIONAL: GPU INTERFACE*/
 #if LV_USE_GPU
 

examples/porting/lv_port_disp_template.h

@@ -34,7 +34,6 @@ extern "C" {
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

examples/porting/lv_port_fs_template.c

@@ -36,7 +36,6 @@ typedef struct {
     uint32_t dummy2;
 }dir_t;
 
-
 /**********************
  *  STATIC PROTOTYPES
  **********************/
@@ -157,7 +156,6 @@ static lv_fs_res_t fs_open (lv_fs_drv_t * drv, void * file_p, const char * path,
     return res;
 }
 
-
 /**
  * Close an opened file
  * @param drv pointer to a driver where this function belongs

examples/porting/lv_port_fs_template.h

@@ -34,7 +34,6 @@ extern "C" {
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

examples/porting/lv_port_indev_template.c

@@ -79,7 +79,6 @@ void lv_port_indev_init(void)
      *  You should shape them according to your hardware
      */
 
-
     lv_indev_drv_t indev_drv;
 
     /*------------------
@@ -174,8 +173,6 @@ void lv_port_indev_init(void)
  *   STATIC FUNCTIONS
  **********************/
 
-
-
 /*------------------
  * Touchpad
  * -----------------*/
@@ -225,7 +222,6 @@ static void touchpad_get_xy(lv_coord_t * x, lv_coord_t * y)
     (*y) = 0;
 }
 
-
 /*------------------
  * Mouse
  * -----------------*/
@@ -361,7 +357,6 @@ static void encoder_handler(void)
     encoder_state = LV_INDEV_STATE_REL;
 }
 
-
 /*------------------
  * Button
  * -----------------*/

examples/porting/lv_port_indev_template.h

@@ -35,7 +35,6 @@ extern "C" {
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif