From 391c37f58757c4a60c7a47752d4ecc55cf513a55 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Tue, 5 Jul 2011 18:53:32 -0300
Subject: [PATCH] tools/atrf-id/atrf-id.c: new option -D to read atusb debug
 log

---
 tools/atrf-id/atrf-id.c | 52 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 51 insertions(+), 1 deletion(-)

diff --git a/tools/atrf-id/atrf-id.c b/tools/atrf-id/atrf-id.c
index 0679b35..7686fb7 100644
--- a/tools/atrf-id/atrf-id.c
+++ b/tools/atrf-id/atrf-id.c
@@ -112,6 +112,44 @@ static void show_usb_info(struct atrf_dsc *dsc)
 }
 
 
+static void do_dump_debug(struct atrf_dsc *dsc)
+{
+	usb_dev_handle *dev;
+	uint8_t buf[1024];
+	int res;
+	struct log {
+		uint16_t n;
+		uint8_t bmRequestType;
+		uint8_t bRequest;
+		uint16_t wValue;
+		uint16_t wIndex;
+		uint16_t wLength;
+	} *p;
+
+	dev = atrf_usb_handle(dsc);
+	if (!dev)
+		return;
+
+	res = usb_control_msg(dev, FROM_DEV, ATUSB_READ_LOG, 0, 0,
+	    (void *) buf, sizeof(buf), 1000);
+	if (res < 0) {
+		fprintf(stderr, "ATUSB_READ_LOG: %s\n", usb_strerror());
+		return;
+	}
+
+	printf("Number\tbmRequestType\tbRequest\twValue\twIndex\twLength\n");
+	for (p = (void *) buf; (uint8_t *) (p+1) <= buf+res; p++) {
+		printf("%u\t", p->n);
+		printf("0x%02x\t\t", p->bmRequestType);
+		printf("0x%02x\t\t", p->bRequest);
+		printf("0x%04x\t", p->wValue);
+		printf("0x%04x\t", p->wIndex);
+		printf("0x%04x\n", p->wLength);
+
+	}
+}
+
+
 #else /* HAVE_USB */
 
 
@@ -120,6 +158,11 @@ static void show_usb_info(struct atrf_dsc *dsc)
 }
 
 
+static void do_dump_debug(struct atrf_dsc *dsc)
+{
+}
+
+
 #endif /* !HAVE_USB */
 
 
@@ -161,6 +204,7 @@ static void usage(const char *name)
 	fprintf(stderr,
 "usage: %s [-d driver[:arg]] [-s [-s]]\n\n"
 "  -d driver[:arg]  use the specified driver (default: %s)\n"
+"  -D               dump atusb debug buffer\n"
 "  -s               print only the local driver specification\n"
 "  -s -s            print only the remote driver specification\n"
     , name, atrf_default_driver_name());
@@ -173,13 +217,17 @@ int main(int argc, char *const *argv)
 	const char *driver = NULL;
 	struct atrf_dsc *dsc;
 	int spec_only = 0;
+	int dump_debug = 0;
 	int c;
 
-	while ((c = getopt(argc, argv, "d:s")) != EOF)
+	while ((c = getopt(argc, argv, "d:Ds")) != EOF)
 		switch (c) {
 		case 'd':
 			driver = optarg;
 			break;
+		case 'D':
+			dump_debug = 1;
+			break;
 		case 's':
 			spec_only++;
 			break;
@@ -205,6 +253,8 @@ int main(int argc, char *const *argv)
 	} else {
 		show_info(dsc);
 	}
+	if (dump_debug)
+		do_dump_debug(dsc);
 
 	atrf_close(dsc);