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/**************************************************************************/
/*!
Wait VSYNC signal.
*/
/**************************************************************************/
void Display_WaitVSYNC(void)
{
/* reload shadow registers on vertical blanking period */
LTDC->SRCR = LTDC_SRCR_VBR;
/* wait for next frame */
while ((LTDC->CDSR & LTDC_CDSR_VSYNCS) == 0);
}
¥³¡¼¥É¾ÜºÙ¤Ï./lib/display/mcu_depend/src/lcdc_if_basis.c¤È
./lib/display/abstract/src/ts_fileloads.c¤ò»²¹Í¤Ë¤·¤Æ¤¯¤À¤µ¤¤¡£
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(LANDSCAPE)¤Ç»ÈÍѤ·¤¿»þ¤À¤±È¯À¸¤·¡¢½ÄÊý¸þ(PORTRAIT)¤Ê¤é°ìÀÚȯÀ¸
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/* Timing parameters for all Video modes
* Set Timing parameters of LTDC depending on its chosen orientation
*/
/* The following values are same for portrait and landscape orientations */
if(Orientation == LCD_ORIENTATION_PORTRAIT)
{
VSA = OTM8009A_480X800_VSYNC; /* 1 */
VBP = OTM8009A_480X800_VBP; /* 15 */
VFP = OTM8009A_480X800_VFP; /* 16 */
HSA = OTM8009A_480X800_HSYNC; /* 2 */
HBP = OTM8009A_480X800_HBP; /* 34 */
HFP = OTM8009A_480X800_HFP; /* 34 */
}
else
{
/* lcd_orientation == LCD_ORIENTATION_LANDSCAPE */
VSA = OTM8009A_800X480_VSYNC; /* 1 */
VBP = VBP_OFS + OTM8009A_800X480_VBP; /* 15(+480) */
VFP = OTM8009A_800X480_VFP; /* 16 */
HSA = OTM8009A_800X480_HSYNC; /* 2 */
HBP = OTM8009A_800X480_HBP; /* 34 */
HFP = OTM8009A_800X480_HFP; /* 34 */
}
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