From 4f2e504de144204171c6d7b907357a13a26baf56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20H=C3=BCbner?= <pavel.hubner@bigclown.com>
Date: Mon, 27 Nov 2017 17:44:51 +0100
Subject: [PATCH] Update bc_usb_cdc header

---
 bcl/inc/bc_usb_cdc.h | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/bcl/inc/bc_usb_cdc.h b/bcl/inc/bc_usb_cdc.h
index 810901f5..45efa57b 100644
--- a/bcl/inc/bc_usb_cdc.h
+++ b/bcl/inc/bc_usb_cdc.h
@@ -3,9 +3,29 @@
 
 #include <bc_common.h>
 
+//! @addtogroup bc_usb_cdc bc_usb_cdc
+//! @brief USB CDC communication library
+//! @{
+
+//! @brief Initialize USB CDC library
+
 void bc_usb_cdc_init(void);
-void bc_usb_cdc_start(void);
+
+//! @brief Write buffer to USB CDC (non-blocking call)
+//! @param[in] buffer Pointer to buffer to be written
+//! @param[in] length Number of bytes to be written
+//! @return true On success
+//! @return false On failure
+
 bool bc_usb_cdc_write(const void *buffer, size_t length);
+
+//! @brief Read buffer from USB CDC (non-blocking call)
+//! @param[out] buffer Pointer to buffer to be read
+//! @param[in] length Number of bytes to be read
+//! @return Number of bytes read
+
 size_t bc_usb_cdc_read(void *buffer, size_t length);
 
+//! @}
+
 #endif // _BC_USB_CDC_H