usb: add empty usb implementation

Signed-off-by: Sean Cross <sean@xobs.io>
2019-01-01 22:37:14 +08:00
parent ebed2b919f
commit b31c0213b5
3 changed files with 32 additions and 9 deletions
--- a/include/usb.h
+++ b/include/usb.h
@@ -0,0 +1,14 @@
+#ifndef __USB_H
+#define __USB_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void usb_isr(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif