mirror of https://github.com/arendst/Tasmota.git
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
#include <lvgl.h>
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#include <TFT_eSPI.h>
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TFT_eSPI tft = TFT_eSPI(); /* TFT instance */
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static lv_disp_buf_t disp_buf;
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static lv_color_t buf[LV_HOR_RES_MAX * 10];
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#if USE_LV_LOG != 0
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/* Serial debugging */
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void my_print(lv_log_level_t level, const char * file, uint32_t line, const char * dsc)
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{
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Serial.printf("%s@%d->%s\r\n", file, line, dsc);
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Serial.flush();
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}
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#endif
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/* Display flushing */
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void my_disp_flush(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p)
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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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tft.startWrite();
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tft.setAddrWindow(area->x1, area->y1, w, h);
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tft.pushColors(&color_p->full, w * h, true);
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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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bool my_touchpad_read(lv_indev_drv_t * indev_driver, lv_indev_data_t * data)
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{
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uint16_t touchX, touchY;
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bool touched = tft.getTouch(&touchX, &touchY, 600);
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if(!touched) {
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data->state = LV_INDEV_STATE_REL;
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} else {
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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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return false; /*Return `false` because we are not buffering and no more data to read*/
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}
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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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lv_init();
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#if USE_LV_LOG != 0
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lv_log_register_print_cb(my_print); /* register print function for debugging */
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#endif
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tft.begin(); /* TFT init */
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tft.setRotation(1); /* Landscape orientation */
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uint16_t calData[5] = { 275, 3620, 264, 3532, 1 };
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tft.setTouch(calData);
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lv_disp_buf_init(&disp_buf, buf, NULL, LV_HOR_RES_MAX * 10);
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/*Initialize the display*/
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lv_disp_drv_t disp_drv;
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lv_disp_drv_init(&disp_drv);
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disp_drv.hor_res = 320;
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disp_drv.ver_res = 240;
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disp_drv.flush_cb = my_disp_flush;
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disp_drv.buffer = &disp_buf;
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lv_disp_drv_register(&disp_drv);
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/*Initialize the (dummy) input device driver*/
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lv_indev_drv_t indev_drv;
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lv_indev_drv_init(&indev_drv);
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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indev_drv.read_cb = my_touchpad_read;
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lv_indev_drv_register(&indev_drv);
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/* Try an example from the lv_examples repository
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* https://github.com/lvgl/lv_examples*/
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lv_ex_btn_1();
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}
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void loop()
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{
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lv_task_handler(); /* let the GUI do its work */
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delay(5);
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}
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