Diff: vga640x400.c

Revision:

1:30d7a3e8e7a3

Parent:

0:78fa88bb24cb

Child:

2:70daa29e01bd

--- a/vga640x400.c	Sun Jul 03 18:13:20 2011 +0000
+++ b/vga640x400.c	Fri Jul 08 17:22:08 2011 +0000
@@ -24,7 +24,9 @@
 
 #include <string.h>
 
-#if 0       // DEBUG messages on UART0
+#define DEBUG_VGA 0
+
+#if DEBUG_VGA       // DEBUG messages on UART0
 #include <stdio.h>
 #define dbprintf(...) printf(__VA_ARGS__)
 #else
@@ -81,12 +83,14 @@
 
 // -----------------------------------------------------------------------------------
 
+#if DEBUG_VGA
 static void init_uart0(unsigned divaddval, unsigned mulval, unsigned divisor) {
     fl_power_uart0(FL_ON);
     fl_select_clock_uart0(FL_CLOCK_DIV1);
     fl_uart_set_fractional_divider(0, divaddval, mulval);
     fl_uart_set_divisor_latch(0, divisor);
 }
+#endif
 
 // -----------------------------------------------------------------------------------
 
@@ -251,8 +255,11 @@
     fl_power_off_all_peripherals();
 
     init_pll0(FL_PLL0_CLOCK_SOURCE_MAIN, 2, 25, 3); // 100MHz
+
+#if DEBUG_VGA
     init_uart0(0, 0, 651);                          // 100MHz/651/16=9600.6 (default 8N1)
-    
+#endif
+
     init_vsync(0, 6);                               // VSYNC on P0.6 (DIP8)
     init_i2s();
     init_hsync();