zenermerps/lvgl_esp32_drivers
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Attempt to add partial update when flush area is not full screen

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This commit is contained in:
martinberlin 2021-05-29 02:03:04 +02:00
parent f4a760d482
commit 7d339be14a
2 changed files with 10 additions and 3 deletions
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2
lvgl_helpers.h
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@ -44,7 +44,7 @@ extern "C" {
#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 40)
// Here is the issue that it does not draw full epaper. Insufficient buffer:
#elif defined (CONFIG_LV_EPAPER_EPDIY_DISPLAY_CONTROLLER)
#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 70)
#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 90)
#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_HX8357
#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 40)
#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_SH1107

11
lvgl_tft/epdiy_epaper.cpp
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@ -32,9 +32,16 @@ void epdiy_init(void)
void epdiy_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
{
++flushcalls;
printf("epdiy_flush %d\n", flushcalls);
printf("epdiy_flush %d x:%d y:%d w:%d h:%d\n", flushcalls,area->x1,area->y1,lv_area_get_width(area),lv_area_get_height(area));
// Full update
if (lv_area_get_width(area)==display.width() && lv_area_get_height(area)==display.height()) {
display.update();
} else {
// Partial update: Looks nice but should find a way to clear that area first. Mode: MODE_EPDIY_WHITE_TO_GL16
display.updateWindow(area->x1,area->y1,lv_area_get_width(area),lv_area_get_height(area),MODE_GC16);
}
display.update();
/* IMPORTANT!!!
* Inform the graphics library that you are ready with the flushing */
lv_disp_flush_ready(drv);