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-rw-r--r--libmaple/include/libmaple/usb_cdcacm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libmaple/include/libmaple/usb_cdcacm.h b/libmaple/include/libmaple/usb_cdcacm.h
index 3b15d48..1e2ed59 100644
--- a/libmaple/include/libmaple/usb_cdcacm.h
+++ b/libmaple/include/libmaple/usb_cdcacm.h
@@ -87,6 +87,7 @@ void usb_cdcacm_disable(gpio_dev*, uint8);
void usb_cdcacm_putc(char ch);
uint32 usb_cdcacm_tx(const uint8* buf, uint32 len);
uint32 usb_cdcacm_rx(uint8* buf, uint32 len);
+uint32 usb_cdcacm_peek(uint8* buf, uint32 len);
uint32 usb_cdcacm_data_available(void); /* in RX buffer */
uint16 usb_cdcacm_get_pending(void);