Add verified Xilinx programming script and device type extractor

1 files changed, 83 insertions, 0 deletions

diff --git a/fpga/xilinx/programmer/bit2svf/bitdevice.c b/fpga/xilinx/programmer/bit2svf/bitdevice.c
new file mode 100644
index 0000000..cad4b7e
--- /dev/null
+++ b/fpga/xilinx/programmer/bit2svf/bitdevice.c
@@ -0,0 +1,83 @@
+/**************************************************************************
+
+  Copyright (c) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA
+
+  Description: Dumps the specified device in a xilinx bit file to stdout
+
+***************************************************************************/
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include "bitfile.h"
+
+#define BSIZE 1048576  /* 1k */
+
+void convertToUpperCase(char *str)
+{
+	while(*str != '\0') {
+		*str = toupper((unsigned char)*str);
+		str++;
+	}
+}
+
+void findAndRemoveEndString(char *str, char* text)
+{
+	char *location = strstr(str, text);
+	int len = strlen(str);
+	int sublen = strlen(text);
+	if (location && (location == (str+(len-sublen)))) {
+		*location = 0;
+	}
+}
+
+void stripPackageSuffix(char *str)
+{
+	findAndRemoveEndString(str, "FG256");
+	findAndRemoveEndString(str, "CSG324");
+}
+
+/* read a bit file from stdin */
+int main(int argc, char *argv[])
+{
+	struct bithead bh;
+	FILE *bitfile;
+
+	if (argc < 1) {
+		fprintf(stderr,"Insufficient args %s filename.bit\n",argv[0]);
+		return 1;
+	}
+
+	if ((bitfile=fopen(argv[1],"rb"))==NULL) {
+		perror("BITFILE");
+		return 2;
+	}
+
+	initbh(&bh);
+	if (readhead(&bh, bitfile)) {
+		fprintf(stderr,"Invalid bit file header\n");
+		return 3;
+	}
+
+	convertToUpperCase(bh.part);
+	stripPackageSuffix(bh.part);
+	printf("XC%s\n", bh.part);
+
+	fclose(bitfile);
+	freebh(&bh);
+	return 0;
+}