So, my issue is 2 fold:
- LVGL seems to be drawing on every other column, so I am seeing 1/2 my screen.
- The colors are wonky as well.
What MCU/Processor/Board and compiler are you using?
Raspberry Pi
What LVGL version are you using?
7.7
What do you want to achieve?
Use the touchscreen and display graphics
What have you tried so far?
Ive tried different resolutions, different values for the display buffer (Both single and double buffers).
Code to reproduce
#define DISP_BUF_SIZE 800*480
lv_init();
// Touch pointer device init
evdev_init();
// Initialize `disp_buf` with the display buffer(s)
static lv_color_t buf1[DISP_BUF_SIZE]; /*Declare a buffer for 10 lines*/
static lv_color_t buf2[DISP_BUF_SIZE]; /*Declare a buffer for 10 lines*/
lv_disp_buf_init(&disp_buf, buf1, NULL, DISP_BUF_SIZE);
// Initialize and register a display driver
lv_disp_drv_t disp_drv;
lv_disp_drv_init(&disp_drv);
disp_drv.flush_cb = fbdev_flush; // flushes the internal graphical buffer to the frame buffer
disp_drv.buffer = &disp_buf; // set teh display buffere reference in the driver
lv_disp_drv_register(&disp_drv);
fbdev_init();
// Initialize and register a pointer device driver
lv_indev_drv_t indev_drv;
lv_indev_drv_init(&indev_drv);
indev_drv.type = LV_INDEV_TYPE_POINTER;
indev_drv.read_cb = evdev_read; // defined in lv_drivers/indev/evdev.h
lv_indev_drv_register(&indev_drv);
Screenshot and/or video
If possible, add screenshots and/or videos about the current state.
