100 lines
2.7 KiB
C++
Executable File
100 lines
2.7 KiB
C++
Executable File
//Arduino-TFT_eSPI board-template main routine. There's a TFT_eSPI create+flush driver already in LVGL-9.1 but we create our own here for more control (like e.g. 16-bit color swap).
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#include <lvgl.h>
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#include <TFT_eSPI.h>
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#include <ui.h>
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static const uint16_t screenWidth = 128;
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static const uint16_t screenHeight = 128;
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enum { SCREENBUFFER_SIZE_PIXELS = screenWidth * screenHeight };
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uint16_t *buf = (uint16_t*)calloc(SCREENBUFFER_SIZE_PIXELS * 3, sizeof(uint16_t));
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TFT_eSPI tft = TFT_eSPI( screenWidth, screenHeight ); /* TFT instance */
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/* Display flushing */
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void my_disp_flush (lv_display_t *disp, const lv_area_t *area, uint8_t *pixelmap)
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{
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uint32_t w = ( area->x2 - area->x1 + 1 );
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uint32_t h = ( area->y2 - area->y1 + 1 );
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size_t len = lv_area_get_size( area );
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lv_draw_sw_rgb565_swap( pixelmap, len );
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tft.startWrite();
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tft.setAddrWindow( area->x1, area->y1, w, h );
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tft.pushImageDMA(area->x1, area->y1, w, h, (uint16_t*) pixelmap);
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tft.endWrite();
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lv_disp_flush_ready( disp );
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}
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/*Read the touchpad*/
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void my_touchpad_read (lv_indev_t * indev_driver, lv_indev_data_t * data)
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{
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uint16_t touchX = 0, touchY = 0;
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bool touched = false;//tft.getTouch( &touchX, &touchY, 600 );
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if (!touched)
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{
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data->state = LV_INDEV_STATE_REL;
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}
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else
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{
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data->state = LV_INDEV_STATE_PR;
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/*Set the coordinates*/
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data->point.x = touchX;
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data->point.y = touchY;
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Serial.print( "Data x " );
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Serial.println( touchX );
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Serial.print( "Data y " );
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Serial.println( touchY );
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}
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}
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/*Set tick routine needed for LVGL internal timings*/
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static uint32_t my_tick_get_cb (void) { return millis(); }
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void setup ()
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{
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Serial.begin( 115200 ); /* prepare for possible serial debug */
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delay(3000);
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lv_init();
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tft.begin(); /* TFT init */
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tft.initDMA();
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tft.setRotation( 3 ); /* Landscape orientation, flipped */
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static lv_disp_t* disp;
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disp = lv_display_create( screenWidth, screenHeight );
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lv_display_set_buffers( disp, buf, NULL, SCREENBUFFER_SIZE_PIXELS * sizeof(uint16_t)*3, LV_DISPLAY_RENDER_MODE_FULL );
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lv_display_set_flush_cb( disp, my_disp_flush );
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static lv_indev_t* indev;
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indev = lv_indev_create();
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lv_indev_set_type( indev, LV_INDEV_TYPE_POINTER );
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lv_indev_set_read_cb( indev, my_touchpad_read );
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lv_tick_set_cb( my_tick_get_cb );
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ui_init();
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String LVGL_Hello = String('V') + lv_version_major() + "." + lv_version_minor() + "." + lv_version_patch();
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Serial.println( LVGL_Hello );
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Serial.println( "Setup done" );
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}
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void loop()
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{
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lv_timer_handler(); /* let the GUI do its work */
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delay(5);
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}
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