Merge pull request #1607 from chris-bo/Development

Update ultralcd_st7920_u8glib_rrd.h
This commit is contained in:
Scott Lahteine 2015-03-15 01:04:40 -07:00
commit 63f41f56f8

View File

@ -27,9 +27,15 @@ static void ST7920_SWSPI_SND_8BIT(uint8_t val)
for( i=0; i<8; i++ ) for( i=0; i<8; i++ )
{ {
WRITE(ST7920_CLK_PIN,0); WRITE(ST7920_CLK_PIN,0);
#if F_CPU == 20000000
__asm__("nop\n\t");
#endif
WRITE(ST7920_DAT_PIN,val&0x80); WRITE(ST7920_DAT_PIN,val&0x80);
val<<=1; val<<=1;
WRITE(ST7920_CLK_PIN,1); WRITE(ST7920_CLK_PIN,1);
#if F_CPU == 20000000
__asm__("nop\n\t""nop\n\t");
#endif
} }
} }