# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1694077017 0
# Node ID 1d76deae1e740c79023f73a4fb6c118ca353491c
# Parent  e1629a7c8ae3294348c6ee71b347e957578e368d
fteeprom-read: convert to new local libs

diff -r e1629a7c8ae3 -r 1d76deae1e74 fteeprom/Makefile
--- a/fteeprom/Makefile	Thu Sep 07 08:11:12 2023 +0000
+++ b/fteeprom/Makefile	Thu Sep 07 08:56:57 2023 +0000
@@ -2,6 +2,7 @@
 CFLAGS=	-O2
 PROGS=	ftee-gen2232c ftee-gen2232h ftee-gen232r ftee-mkblank fteeprom-erase \
 	fteeprom-prog fteeprom-read
+LIBS=	../libftmini/libftmini.a ../libuwrap/libuwrap.a
 
 INSTALL_PREFIX=	/opt/freecalypso
 
@@ -27,8 +28,8 @@
 fteeprom-prog:	fteeprom-prog.c
 	${CC} ${CFLAGS} -o $@ $@.c -lftdi
 
-fteeprom-read:	fteeprom-read.c
-	${CC} ${CFLAGS} -o $@ $@.c -lftdi
+fteeprom-read:	fteeprom-read.o ${LIBS}
+	${CC} ${CFLAGS} -o $@ $@.o ${LIBS} -lusb
 
 install:
 	mkdir -p ${INSTBIN}
diff -r e1629a7c8ae3 -r 1d76deae1e74 fteeprom/fteeprom-read.c
--- a/fteeprom/fteeprom-read.c	Thu Sep 07 08:11:12 2023 +0000
+++ b/fteeprom/fteeprom-read.c	Thu Sep 07 08:56:57 2023 +0000
@@ -1,10 +1,20 @@
+/*
+ * This program connects to an FTDI chip via libusb and reads out its EEPROM.
+ * The present version has been converted to use our local libraries
+ * (libftmini and libuwrap) instead of libftdi - thus the external dependency
+ * is only libusb.
+ */
+
 #include <sys/types.h>
 #include <string.h>
 #include <strings.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
-#include <ftdi.h>
+#include <usb.h>
+#include "../libuwrap/find_dev.h"
+#include "../libuwrap/open_close.h"
+#include "../libftmini/eeprom_func.h"
 
 char *device_selector;
 unsigned eeprom_size = 64;
@@ -39,22 +49,20 @@
 main(argc, argv)
 	char **argv;
 {
-	struct ftdi_context ftdi;
+	struct usb_device *dev;
+	usb_dev_handle *usbh;
 	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);
+	dev = find_usbdev_by_desc_string(device_selector);
+	if (!dev) {
+		fprintf(stderr, "error: specified USB device not found\n");
 		exit(1);
 	}
+	usbh = usbwrap_open_dev(dev, 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);
-		}
+		word = ftmini_read_eeprom_loc(usbh, n);
 		col = n & 7;
 		if (col == 0)
 			printf("%02X:", n * 2);
@@ -62,6 +70,6 @@
 		if (col == 7)
 			putchar('\n');
 	}
-	ftdi_usb_close(&ftdi);
+	usbwrap_close_dev(usbh);
 	exit(0);
 }