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-rw-r--r--src-avr/ao_usb_avr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src-avr/ao_usb_avr.c b/src-avr/ao_usb_avr.c
index 69a2dfa4..47a1487f 100644
--- a/src-avr/ao_usb_avr.c
+++ b/src-avr/ao_usb_avr.c
@@ -677,7 +677,9 @@ ao_usb_init(void)
debug ("ao_usb_init\n");
ao_add_task(&ao_usb_task, ao_usb_ep0, "usb");
-// ao_add_task(&ao_usb_echo_task, ao_usb_echo, "usb echo");
+#if USB_DEBUG
+ ao_add_task(&ao_usb_echo_task, ao_usb_echo, "usb echo");
+#endif
ao_cmd_register(&ao_usb_cmds[0]);
ao_add_stdio(ao_usb_pollchar, ao_usb_putchar, ao_usb_flush);
}