Imported Upstream version 1.1.0upstream/1.1.0

1 files changed, 53 insertions, 0 deletions

diff --git a/util/ttusb_dec_reset/ttusb_dec_reset.c b/util/ttusb_dec_reset/ttusb_dec_reset.c
new file mode 100644
index 0000000..51ddfc7
--- /dev/null
+++ b/util/ttusb_dec_reset/ttusb_dec_reset.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <usb.h>
+
+void dec_reset(struct usb_device *dev)
+{
+	char message[] = {0xaa, 0x00, 0xf1, 0x01, 0x00};
+	usb_dev_handle *handle = usb_open(dev);
+
+	printf("Device found.\n");
+
+	if (handle) {
+		if (!usb_claim_interface(handle, 0)) {
+			int result;
+			printf("Reseting device.. ");
+			result = usb_bulk_write(handle, 3, message,
+						sizeof(message), 1000);
+			if (result >= 0)
+				printf("succeeded.\n");
+			else
+				printf("failed. (Error code: %d)\n", result);
+		} else {
+			printf("Couldn't claim interface.\n");
+		}
+		usb_close(handle);
+	}
+}
+
+int main()
+{
+	struct usb_bus *busses;
+	struct usb_bus *bus;
+
+	usb_init();
+	usb_find_busses();
+	usb_find_devices();
+
+	busses = usb_get_busses();
+
+	for (bus = busses; bus; bus = bus->next) {
+		struct usb_device *dev;
+
+		for (dev = bus->devices; dev; dev = dev->next) {
+			if (dev->descriptor.idVendor == 0x0b48 &&
+			    (dev->descriptor.idProduct == 0x1006 ||
+			     dev->descriptor.idProduct == 0x1008 ||
+			     dev->descriptor.idProduct == 0x1009)) {
+				dec_reset(dev);
+			}
+		}
+	}
+
+	return 0;
+}