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-rw-r--r--src/core/ao_usb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/core/ao_usb.h b/src/core/ao_usb.h
index 6bc77608..35e64e65 100644
--- a/src/core/ao_usb.h
+++ b/src/core/ao_usb.h
@@ -102,8 +102,11 @@ extern __code __at (0x00aa) uint8_t ao_usb_descriptors [];
#define AO_USB_INT_EP 1
#define AO_USB_INT_SIZE 8
+#ifndef AO_USB_OUT_EP
#define AO_USB_OUT_EP 4
#define AO_USB_IN_EP 5
+#endif
+
/*
* USB bulk packets can only come in 8, 16, 32 and 64
* byte sizes, so we'll use 64 for everything