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feat(st7789.c): Initial support for display rotation control using LVGL

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This commit is contained in:
C47D 2021-09-09 22:47:47 -05:00
parent ffae578a39
commit 0e29128b3b
1 changed files with 23 additions and 2 deletions
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25
lvgl_tft/st7789.c
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@ -122,6 +122,22 @@ void st7789_enable_backlight(lv_disp_drv_t *drv, bool backlight)
* account that gap, this is not necessary in all orientations. */
void st7789_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_map)
{
static lv_disp_rot_t prev_rotation = LV_DISP_ROT_NONE;
lv_disp_t *display = (lv_disp_t *) drv;
lv_disp_rot_t rotation = lv_disp_get_rotation(display);
if (rotation != prev_rotation) {
/* Update rotation */
/* TODO Handle all other rotations */
if (LV_DISP_ROT_180 == rotation) {
st7789_set_orientation(drv, 1);
}
prev_rotation = rotation;
}
uint8_t data[4] = {0};
uint16_t offsetx1 = area->x1;
@ -138,8 +154,13 @@ void st7789_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * colo
#elif (LV_HOR_RES_MAX == 240) && (LV_VER_RES_MAX == 240)
#if (CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
offsetx1 += 80;
offsetx2 += 80;
if (LV_DISP_ROT_NONE == rotation) {
offsetx1 += 80;
offsetx2 += 80;
}
else {
}
#elif (CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE_INVERTED)
offsety1 += 80;
offsety2 += 80;