Fix Ultralcd

751b2d31 · MagoKimbra · 1693134e · 751b2d31
Commit 751b2d31 authored Mar 15, 2015 by MagoKimbra
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ultralcd_st7920_u8glib_rrd.h MarlinKimbra/ultralcd_st7920_u8glib_rrd.h +6 -0

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--- a/MarlinKimbra/ultralcd_st7920_u8glib_rrd.h
+++ b/MarlinKimbra/ultralcd_st7920_u8glib_rrd.h
@@ -27,9 +27,15 @@ static void ST7920_SWSPI_SND_8BIT(uint8_t val)
  for( i=0; i<8; i++ )
  {
    WRITE(ST7920_CLK_PIN,0);
+    #if F_CPU == 20000000
+      __asm__("nop\n\t"); 
+    #endif
    WRITE(ST7920_DAT_PIN,val&0x80); 
    val<<=1;
    WRITE(ST7920_CLK_PIN,1);
+    #if F_CPU == 20000000
+      __asm__("nop\n\t""nop\n\t"); 
+    #endif
  }
 }