From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Sun, 27 Mar 2011 12:31:03 +0000 (+0200)
Subject: basically working set_ir stuff (untested!)
X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b2243de35d3e030094e349ce4515442c27bccb9;p=my-code%2Fpnx.git

basically working set_ir stuff (untested!)
---

diff --git a/jtag.c b/jtag.c
index 2e8298c..2497cf7 100644
--- a/jtag.c
+++ b/jtag.c
@@ -230,27 +230,29 @@ int jtag_chain_init(t_jtag *jtag) {
 
 int jtag_set_ir(char *s,int bitlen) {
 
-	u8 ir[MAXDEV*MAX_IR_LEN/8];
+	u8 ir[MAXDEV*MAXIRLEN/8];
 	int count;
 
-	if(biten>=MAXDEV*MAX_IR_LEN) {
+	if(bitlen>=MAXDEV*MAXIRLEN) {
 		printf("instruction register too big!\n");
 		return -1;
 	}
 
-	memset(ir,0,MAXDEV*MAX_IR_LEN/8*sizeof(u8));
+	memset(ir,0,MAXDEV*MAXIRLEN/8*sizeof(u8));
 
+	printf("ir to set: ");
 	while(bitlen) {
-		ir[count/8]|=p[count] ... HIER WEITER ..;
+		ir[count/8]|=(s[count]<<(count%8));
+		printf("%d",ir[count/8]&(1<<count%8)?1:0);
 		count+=1;
 		bitlen-=1;
 	}
+	printf("\n");
 
 	jtag_enter_shift_ir();
-
-	while(len--)
-
+	jtag_write_data(ir,bitlen);
 	jtag_leave_shift_ir();
+
 	return 0;
 
 }
@@ -258,6 +260,8 @@ int jtag_set_ir(char *s,int bitlen) {
 int main(int argc,char **argv) {
 
 	t_jtag jtag;
+	u8 io[256];
+	int i;
 
 	memset(&jtag,0,sizeof(t_jtag));
 
@@ -273,6 +277,16 @@ int main(int argc,char **argv) {
 	jtag_chain_init(&jtag);
 	printf("done\n\n");
 
+	printf("testing some instructions ...\n\n");
+	jtag_set_ir("000001000001",12);
+	jtag_enter_shift_dr();
+	jtag_read_data(io,64);
+	for(i=0;i<64;i++) {
+		printf("%d",io[i/8]&(1<<(i%8))?1:0);
+	}
+	printf("\n");
+	jtag_leave_shift_dr();
+
 	return 0;
 
 }