# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1522964885 0
# Node ID ef43bbfa8d160ae27a42cb5ad4b231232dd500c7
# Parent  252e3d37b9e5daf2921b14bbd43024fd34f782d4
ee2232-read program written, compiles

diff -r 252e3d37b9e5 -r ef43bbfa8d16 .hgignore
--- a/.hgignore	Thu Apr 05 10:20:43 2018 +0000
+++ b/.hgignore	Thu Apr 05 21:48:05 2018 +0000
@@ -3,3 +3,4 @@
 \.[oa]$
 
 ^ee2232/ee2232-gen$
+^ee2232/ee2232-read$
diff -r 252e3d37b9e5 -r ef43bbfa8d16 ee2232/Makefile
--- a/ee2232/Makefile	Thu Apr 05 10:20:43 2018 +0000
+++ b/ee2232/Makefile	Thu Apr 05 21:48:05 2018 +0000
@@ -1,6 +1,6 @@
 CC=	gcc
 CFLAGS=	-O2
-PROGS=	ee2232-gen
+PROGS=	ee2232-gen ee2232-read
 INSTBIN=/opt/freecalypso/bin
 
 all:	${PROGS}
@@ -8,6 +8,9 @@
 ee2232-gen:	ee2232-gen.c
 	${CC} ${CFLAGS} -o $@ $@.c
 
+ee2232-read:	ee2232-read.c
+	${CC} ${CFLAGS} -o $@ $@.c -lftdi
+
 install:
 	mkdir -p ${INSTBIN}
 	install -c ${PROGS} ${INSTBIN}
diff -r 252e3d37b9e5 -r ef43bbfa8d16 ee2232/ee2232-read.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ee2232/ee2232-read.c	Thu Apr 05 21:48:05 2018 +0000
@@ -0,0 +1,72 @@
+#include <sys/types.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;
+
+process_cmdline(argc, argv)
+	char **argv;
+{
+	int c;
+	extern char *optarg;
+
+	while ((c = getopt(argc, argv, "d:t:")) != EOF) {
+		switch (c) {
+		case 'd':
+			device_selector = optarg;
+			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);
+		}
+	}
+}
+
+main(argc, argv)
+	char **argv;
+{
+	struct ftdi_context ftdi;
+	u_short word;
+	unsigned n, col;
+
+	process_cmdline(argc, argv);
+	ftdi_init(&ftdi);
+	if (ftdi_usb_open_string(&ftdi, device_selector) < 0) {
+		fprintf(stderr, "FTDI USB open failed: %s\n", ftdi.error_str);
+		exit(1);
+	}
+	for (n = 0; n < eeprom_size; n++) {
+		if (ftdi_read_eeprom_location(&ftdi, n, &word) < 0) {
+			fprintf(stderr, "EEPROM read error: %s\n",
+				ftdi.error_str);
+			exit(1);
+		}
+		col = n & 7;
+		if (col == 0)
+			printf("%02X:", n * 2);
+		printf(" %04X", word);
+		if (col == 7)
+			putchar('\n');
+	}
+	ftdi_usb_close(&ftdi);
+	exit(0);
+}