Merge pull request #12 from Pablo2048/feature/lvglv6.0

Feature/lvglv6.0

Author: Pablo2048

README.md

@@ -1,6 +1,6 @@
 # LittlevGL Arduino library
 
-This library allows to use LittlevGL as an Arduino library. Library can be installed via Arduino IDE Library Manager or as an .ZIP library.
+This library allows to use LittlevGL (v6.x) as an Arduino library. Library can be installed via Arduino IDE Library Manager or as an .ZIP library.
 
 ## Example
 
@@ -15,9 +15,9 @@ Example result should look like this:
 Tested with:
 
   * My own ESP32 board, module ESP32 Wroom
-  * PC OS: Linux, Ubuntu 16.04 LTS
-  * IDE: Arduino IDE 1.8.8
-  * ESP32 Core: 1.0.1
+  * PC OS: Linux, Ubuntu 18.04 LTS
+  * IDE: Arduino IDE 1.8.9
+  * ESP32 Core: 1.0.2
 
 ## Debugging
 

examples/ESP32_TFT_eSPI/ESP32_TFT_eSPI.ino

@@ -6,6 +6,8 @@
 
 Ticker tick; /* timer for interrupt handler */
 TFT_eSPI tft = TFT_eSPI(); /* TFT instance */
+static lv_disp_buf_t disp_buf;
+static lv_color_t buf[LV_HOR_RES_MAX * 10];
 
 #if USE_LV_LOG != 0
 /* Serial debugging */
@@ -18,19 +20,21 @@ void my_print(lv_log_level_t level, const char * file, uint32_t line, const char
 #endif
 
 /* Display flushing */
-void disp_flush(int32_t x1, int32_t y1, int32_t x2, int32_t y2, const lv_color_t *color_p) {
+void my_disp_flush(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p)
+{
   uint16_t c;
+
   tft.startWrite(); /* Start new TFT transaction */
-  tft.setAddrWindow(x1, y1, (x2 - x1 + 1), (y2 - y1 + 1)); /* set the working window */
-  for (int y = y1; y <= y2; y++) {
-    for (int x = x1; x <= x2; x++) {
+  tft.setAddrWindow(area->x1, area->y1, (area->x2 - area->x1 + 1), (area->y2 - area->y1 + 1)); /* set the working window */
+  for (int y = area->y1; y <= area->y2; y++) {
+    for (int x = area->x1; x <= area->x2; x++) {
       c = color_p->full;
       tft.writeColor(c, 1);
       color_p++;
     }
   }
   tft.endWrite(); /* terminate TFT transaction */
-  lv_flush_ready(); /* tell lvgl that flushing is done */
+  lv_disp_flush_ready(disp); /* tell lvgl that flushing is done */
 }
 
 /* Interrupt driven periodic handler */
@@ -41,10 +45,9 @@ static void lv_tick_handler(void)
 }
 
 /* Reading input device (simulated encoder here) */
-bool read_encoder(lv_indev_data_t * data)
+bool read_encoder(lv_indev_drv_t * indev, lv_indev_data_t * data)
 {
   static int32_t last_diff = 0;
-
   int32_t diff = 0; /* Dummy - no movement */
   int btn_state = LV_INDEV_STATE_REL; /* Dummy - no press */
 
@@ -69,26 +72,31 @@ void setup() {
   tft.begin(); /* TFT init */
   tft.setRotation(1); /* Landscape orientation */
 
+  lv_disp_buf_init(&disp_buf, buf, NULL, LV_HOR_RES_MAX * 10);
+
   /*Initialize the display*/
   lv_disp_drv_t disp_drv;
   lv_disp_drv_init(&disp_drv);
-  disp_drv.disp_flush = disp_flush;
+  disp_drv.hor_res = 320;
+  disp_drv.ver_res = 240;
+  disp_drv.flush_cb = my_disp_flush;
+  disp_drv.buffer = &disp_buf;
   lv_disp_drv_register(&disp_drv);
 
 
   /*Initialize the touch pad*/
   lv_indev_drv_t indev_drv;
   lv_indev_drv_init(&indev_drv);
   indev_drv.type = LV_INDEV_TYPE_ENCODER;
-  indev_drv.read = read_encoder;
+  indev_drv.read_cb = read_encoder;
   lv_indev_drv_register(&indev_drv);
 
   /*Initialize the graphics library's tick*/
   tick.attach_ms(LVGL_TICK_PERIOD, lv_tick_handler);
 
   /* Create simple label */
   lv_obj_t *label = lv_label_create(lv_scr_act(), NULL);
-  lv_label_set_text(label, "Hello Arduino!");
+  lv_label_set_text(label, "Hello Arduino! (V6.0)");
   lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
 }
 

extras/img/lvglarduino.jpg

@@ -12,7 +12,7 @@
     "type": "git",
     "url": "https://github.com/littlevgl/arduino"
   },
-  "version": "1.0.0",
+  "version": "2.0.0",
   "license": "MIT",
   "frameworks": "arduino",
   "build": {

library.json

@@ -1,5 +1,5 @@
 name=LittlevGL
-version=1.0.0
+version=2.0.0
 author=Gabor Kiss-Vamosi
 maintainer=Pavel Brychta <[email protected]>
 sentence=Full-featured Graphics Library for embedded systems