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-rw-r--r--examples/arduino/LVGL_Arduino/LVGL_Arduino.ino158
1 files changed, 81 insertions, 77 deletions
diff --git a/examples/arduino/LVGL_Arduino/LVGL_Arduino.ino b/examples/arduino/LVGL_Arduino/LVGL_Arduino.ino
index a22859040..9ba575b23 100644
--- a/examples/arduino/LVGL_Arduino/LVGL_Arduino.ino
+++ b/examples/arduino/LVGL_Arduino/LVGL_Arduino.ino
@@ -8,129 +8,133 @@
#include <lv_demo.h>
-TFT_eSPI tft = TFT_eSPI(); /* TFT instance */
-
/*Change to your screen resolution*/
-static const uint32_t screenWidth = 480;
-static const uint32_t screenHeight = 320;
+static const uint16_t screenWidth = 480;
+static const uint16_t screenHeight = 320;
static lv_disp_draw_buf_t draw_buf;
static lv_color_t buf[ screenWidth * 10 ];
+TFT_eSPI tft = TFT_eSPI(screenWidth, screenHeight); /* TFT instance */
+
#if LV_USE_LOG != 0
/* Serial debugging */
void my_print( lv_log_level_t level, const char * file, uint32_t line, const char * fn_name, const char * dsc )
{
- Serial.printf( "%s(%s)@%d->%s\r\n", file, fn_name, line, dsc );
- Serial.flush();
+ Serial.printf( "%s(%s)@%d->%s\r\n", file, fn_name, line, dsc );
+ Serial.flush();
}
#endif
/* Display flushing */
void my_disp_flush( lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p )
{
- uint32_t w = ( area->x2 - area->x1 + 1 );
- uint32_t h = ( area->y2 - area->y1 + 1 );
+ uint32_t w = ( area->x2 - area->x1 + 1 );
+ uint32_t h = ( area->y2 - area->y1 + 1 );
- tft.startWrite();
- tft.setAddrWindow( area->x1, area->y1, w, h );
- tft.pushColors( ( uint16_t * )&color_p->full, w * h, true );
- tft.endWrite();
+ tft.startWrite();
+ tft.setAddrWindow( area->x1, area->y1, w, h );
+ tft.pushColors( ( uint16_t * )&color_p->full, w * h, true );
+ tft.endWrite();
- lv_disp_flush_ready( disp );
+ lv_disp_flush_ready( disp );
}
/*Read the touchpad*/
void my_touchpad_read( lv_indev_drv_t * indev_driver, lv_indev_data_t * data )
{
- uint16_t touchX, touchY;
+ uint16_t touchX, touchY;
- bool touched = tft.getTouch( &touchX, &touchY, 600 );
+ bool touched = tft.getTouch( &touchX, &touchY, 600 );
- if( !touched )
- {
- data->state = LV_INDEV_STATE_REL;
- }
- else
- {
- data->state = LV_INDEV_STATE_PR;
+ if( !touched )
+ {
+ data->state = LV_INDEV_STATE_REL;
+ }
+ else
+ {
+ data->state = LV_INDEV_STATE_PR;
- /*Set the coordinates*/
- data->point.x = touchX;
- data->point.y = touchY;
+ /*Set the coordinates*/
+ data->point.x = touchX;
+ data->point.y = touchY;
- Serial.print( "Data x " );
- Serial.println( touchX );
+ Serial.print( "Data x " );
+ Serial.println( touchX );
- Serial.print( "Data y " );
- Serial.println( touchY );
- }
+ Serial.print( "Data y " );
+ Serial.println( touchY );
+ }
}
void setup()
{
- Serial.begin( 115200 ); /* prepare for possible serial debug */
- Serial.println( "Hello Arduino! (V8.0.X)" );
- Serial.println( "I am LVGL_Arduino" );
+ Serial.begin( 115200 ); /* prepare for possible serial debug */
+
+ String LVGL_Arduino = "Hello Arduino! ";
+ LVGL_Arduino += String('V') + lv_version_major() + "." + lv_version_minor() + "." + lv_version_patch();
- lv_init();
+ Serial.println( LVGL_Arduino );
+ Serial.println( "I am LVGL_Arduino" );
+
+ lv_init();
#if LV_USE_LOG != 0
- lv_log_register_print_cb( my_print ); /* register print function for debugging */
+ lv_log_register_print_cb( my_print ); /* register print function for debugging */
#endif
- tft.begin(); /* TFT init */
- tft.setRotation( 3 ); /* Landscape orientation, flipped */
+ tft.begin(); /* TFT init */
+ tft.setRotation( 3 ); /* Landscape orientation, flipped */
- /*Set the touchscreen calibration data,
+ /*Set the touchscreen calibration data,
the actual data for your display can be aquired using
the Generic -> Touch_calibrate example from the TFT_eSPI library*/
- uint16_t calData[5] = { 275, 3620, 264, 3532, 1 };
- tft.setTouch( calData );
-
- lv_disp_draw_buf_init( &draw_buf, buf, NULL, screenWidth * 10 );
-
- /*Initialize the display*/
- static lv_disp_drv_t disp_drv;
- lv_disp_drv_init( &disp_drv );
- /*Change the following line to your display resolution*/
- disp_drv.hor_res = screenWidth;
- disp_drv.ver_res = screenHeight;
- disp_drv.flush_cb = my_disp_flush;
- disp_drv.draw_buf = &draw_buf;
- lv_disp_drv_register( &disp_drv );
-
- /*Initialize the (dummy) input device driver*/
- static lv_indev_drv_t indev_drv;
- lv_indev_drv_init( &indev_drv );
- indev_drv.type = LV_INDEV_TYPE_POINTER;
- indev_drv.read_cb = my_touchpad_read;
- lv_indev_drv_register( &indev_drv );
+ uint16_t calData[5] = { 275, 3620, 264, 3532, 1 };
+ tft.setTouch( calData );
+
+ lv_disp_draw_buf_init( &draw_buf, buf, NULL, screenWidth * 10 );
+
+ /*Initialize the display*/
+ static lv_disp_drv_t disp_drv;
+ lv_disp_drv_init( &disp_drv );
+ /*Change the following line to your display resolution*/
+ disp_drv.hor_res = screenWidth;
+ disp_drv.ver_res = screenHeight;
+ disp_drv.flush_cb = my_disp_flush;
+ disp_drv.draw_buf = &draw_buf;
+ lv_disp_drv_register( &disp_drv );
+
+ /*Initialize the (dummy) input device driver*/
+ static lv_indev_drv_t indev_drv;
+ lv_indev_drv_init( &indev_drv );
+ indev_drv.type = LV_INDEV_TYPE_POINTER;
+ indev_drv.read_cb = my_touchpad_read;
+ lv_indev_drv_register( &indev_drv );
#if 0
- /* Create simple label */
- lv_obj_t *label = lv_label_create( lv_scr_act() );
- lv_label_set_text( label, "Hello Arduino! (V8.0.X)" );
- lv_obj_align( label, LV_ALIGN_CENTER, 0, 0 );
+ /* Create simple label */
+ lv_obj_t *label = lv_label_create( lv_scr_act() );
+ lv_label_set_text( label, LVGL_Arduino.c_str() );
+ lv_obj_align( label, LV_ALIGN_CENTER, 0, 0 );
#else
- /* Try an example from the lv_examples Arduino library
- make sure to include it as written above.
- lv_example_btn_1();
+ /* Try an example from the lv_examples Arduino library
+ make sure to include it as written above.
+ lv_example_btn_1();
*/
- // uncomment one of these demos
- lv_demo_widgets(); // OK
- // lv_demo_benchmark(); // OK
- // lv_demo_keypad_encoder(); // works, but I haven't an encoder
- // lv_demo_music(); // NOK
- // lv_demo_printer();
- // lv_demo_stress(); // seems to be OK
+ // uncomment one of these demos
+ lv_demo_widgets(); // OK
+ // lv_demo_benchmark(); // OK
+ // lv_demo_keypad_encoder(); // works, but I haven't an encoder
+ // lv_demo_music(); // NOK
+ // lv_demo_printer();
+ // lv_demo_stress(); // seems to be OK
#endif
- Serial.println( "Setup done" );
+ Serial.println( "Setup done" );
}
void loop()
{
- lv_timer_handler(); /* let the GUI do its work */
- delay( 5 );
-} \ No newline at end of file
+ lv_timer_handler(); /* let the GUI do its work */
+ delay( 5 );
+}
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