X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fsamd21%2Fao_usb_samd21.c;h=6b88e8564832b8a4d2ba2b5fca014009ac9148d7;hb=HEAD;hp=bed4f54adcd59e8a14912b0e510bf48e9536d14f;hpb=bd088d263172dbe9ffe399a93a836cac26a37708;p=fw%2Faltos

diff --git a/src/samd21/ao_usb_samd21.c b/src/samd21/ao_usb_samd21.c
index bed4f54a..6b88e856 100644
--- a/src/samd21/ao_usb_samd21.c
+++ b/src/samd21/ao_usb_samd21.c
@@ -28,6 +28,10 @@
 #define AO_USB_DEVICE_ID_SERIAL 0
 #endif
 
+#ifndef USE_USB_STDIO
+#define USE_USB_STDIO	1
+#endif
+
 #if USE_USB_FIFO
 static struct ao_fifo	ao_usb_rx_fifo;
 #endif