X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=fx2%2Ffx2.c;h=49f0da53740d7d6899178542fa410fef60d16bc7;hb=428f6220f2ed679f658e077d8c30cc29958e1f26;hp=3a57b12c4e83456709715a195c1f90af059087d3;hpb=07f700caf7db1d12cf0dde7627ced350d162d107;p=my-code%2Ffpga.git

diff --git a/fx2/fx2.c b/fx2/fx2.c
index 3a57b12..49f0da5 100644
--- a/fx2/fx2.c
+++ b/fx2/fx2.c
@@ -11,10 +11,7 @@
  */
 
 /* constant definitions */
-#define TRUE	1
-#define FALSE 	0
-#define POWER_ON	1;
-#define POWER_OFF	0;
+#define GET_TDO		0x20
 
 /* type definitions */
 typedef unsigned char u8;
@@ -227,6 +224,9 @@ void ep1_init() {
 
 void fx2_init() {
 
+	/* syncdelay */
+	SYNCDELAY;
+
 	/* cpu init */
 	cpu_init();
 
@@ -239,26 +239,29 @@ void fx2_init() {
 
 	/* ep1 init */
 	ep1_init();
+
+	/* jtag init */
+	jtag_init();
 }
 
 void main() {
 
-	u8 buf;
+	u8 buf,set;
 
 	/* initialize the fx2 */
 	fx2_init();
 
 	/* jtag by polling ep1 */
+
 	while(1) {
 		if(!(EP1OUTCS&BUSY)) {
+			set=IOD;
 			buf=EP1OUTBUF[0];
-			buf&=0x1c;
-			IOD|=buf;
+			IOD=(IOD&(~0x1c))|(buf&0x1c);
 			EP1OUTBC=1;
 		}
 		if(!(EP1INCS&BUSY)) {
-			buf=IOD&0x01?1:0;
-			EP1INBUF[0]=buf;
+			EP1INBUF[0]=IOD&0x01;
 			EP1INBC=1;
 		}
 	}