altos/snekboard: Indicate that USB is used for stdio

This isn't the default for some reason?

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/snekboard/ao_pins.h b/src/snekboard/ao_pins.h
index 4f3cba808c5d7ccdd6e660bb28dd0e7b5f119068..7e215011ce23e9e7d8475b1e5047891cd89130bd 100644 (file)
--- a/src/snekboard/ao_pins.h
+++ b/src/snekboard/ao_pins.h
@@ -29,6 +29,7 @@
 #define HAS_BEEP       0
 
 #define HAS_USB                1
+#define USE_USB_STDIO  1
 
 #define HAS_LED                1