FreeCalypso > hg > freecalypso-hwlab

changeset 4:02ea5dbdf84b

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ee2232-prog: input parsing implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Apr 2018 22:30:38 +0000
parents ef43bbfa8d16
children a85b6b7398bc
files .hgignore ee2232/Makefile ee2232/ee2232-prog.c
diffstat 3 files changed, 100 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/.hgignore	Thu Apr 05 21:48:05 2018 +0000
+++ b/.hgignore	Thu Apr 05 22:30:38 2018 +0000
@@ -3,4 +3,5 @@
 \.[oa]$
 
 ^ee2232/ee2232-gen$
+^ee2232/ee2232-prog$
 ^ee2232/ee2232-read$
--- a/ee2232/Makefile	Thu Apr 05 21:48:05 2018 +0000
+++ b/ee2232/Makefile	Thu Apr 05 22:30:38 2018 +0000
@@ -1,6 +1,6 @@
 CC=	gcc
 CFLAGS=	-O2
-PROGS=	ee2232-gen ee2232-read
+PROGS=	ee2232-gen ee2232-prog ee2232-read
 INSTBIN=/opt/freecalypso/bin
 
 all:	${PROGS}
@@ -8,6 +8,9 @@
 ee2232-gen:	ee2232-gen.c
 	${CC} ${CFLAGS} -o $@ $@.c
 
+ee2232-prog:	ee2232-prog.c
+	${CC} ${CFLAGS} -o $@ $@.c -lftdi
+
 ee2232-read:	ee2232-read.c
 	${CC} ${CFLAGS} -o $@ $@.c -lftdi
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ee2232/ee2232-prog.c	Thu Apr 05 22:30:38 2018 +0000
@@ -0,0 +1,95 @@
+#include <sys/types.h>
+#include <ctype.h>
+#include <string.h>
+#include <strings.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <ftdi.h>
+
+char *device_selector = "i:0x0403:0x6010";
+unsigned eeprom_size = 64;
+u_short eeprom[256];
+int erase;
+
+process_cmdline(argc, argv)
+	char **argv;
+{
+	int c;
+	extern char *optarg;
+
+	while ((c = getopt(argc, argv, "d:et:")) != EOF) {
+		switch (c) {
+		case 'd':
+			device_selector = optarg;
+			continue;
+		case 'e':
+			erase = 1;
+			continue;
+		case 't':
+			if (!strcmp(optarg, "46"))
+				eeprom_size = 64;
+			else if (!strcmp(optarg, "56"))
+				eeprom_size = 128;
+			else if (!strcmp(optarg, "66"))
+				eeprom_size = 256;
+			else {
+				fprintf(stderr,
+				"error: -t option invalid value \"%s\"\n",
+					optarg);
+				exit(1);
+			}
+			continue;
+		default:
+			/* error msg already printed */
+			exit(1);
+		}
+	}
+}
+
+read_eeprom_from_stdin()
+{
+	unsigned n, off;
+	int rc;
+
+	for (n = 0; n < eeprom_size; n += 8) {
+		rc = scanf("%x: %hx %hx %hx %hx %hx %hx %hx %hx", &off,
+				eeprom + n, eeprom + n + 1, eeprom + n + 2,
+				eeprom + n + 3, eeprom + n + 4, eeprom + n + 5,
+				eeprom + n + 6, eeprom + n + 7);
+		if (rc != 9 || off != n * 2) {
+			fprintf(stderr,
+				"ee2232-prog error: invalid input on stdin\n");
+			exit(1);
+		}
+	}
+}
+
+test_output()
+{
+	unsigned n, col;
+
+	for (n = 0; n < eeprom_size; n++) {
+		col = n & 7;
+		if (col == 0)
+			printf("%02X:", n * 2);
+		printf(" %04X", eeprom[n]);
+		if (col == 7)
+			putchar('\n');
+	}
+}
+
+main(argc, argv)
+	char **argv;
+{
+	struct ftdi_context ftdi;
+
+	process_cmdline(argc, argv);
+	if (erase)
+		memset(eeprom, 0xFF, eeprom_size * 2);
+	else
+		read_eeprom_from_stdin();
+	test_output();
+	exit(0);
+
+}