1 files changed, 4 insertions, 0 deletions
diff --git a/src/usb/usb.h b/src/usb/usb.h
index a542e68..f1d41f9 100644
--- a/src/usb/usb.h
+++ b/src/usb/usb.h
@@ -3,6 +3,10 @@
 
 #include <stdint.h>
 
+void cdc_fill_IN(uint8_t *buf, uint8_t len);
+int cdc_tx_poll(uint8_t *buf, int len, uint16_t timeout_ms);
+void cdc_onWrite(void (*cb)(uint8_t *buf, uint16_t len));
+
 void hiddev_fill_IN(uint8_t *buf, uint8_t len);
 int hiddev_tx_poll(uint8_t *buf, int len, uint16_t timeout_ms);
 void hiddev_onWrite(void (*cb)(uint8_t *buf, uint16_t len));