*\r
* \return Boolean true if the endpoints were sucessfully configured, false otherwise\r
*/\r
- bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** Processes incomming control requests from the host, that are directed to the given CDC class interface. This should be\r
* linked to the library \ref EVENT_USB_Device_UnhandledControlRequest() event.\r
*\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
*/\r
- void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** General management task for a given CDC class interface, required for the correct operation of the interface. This should\r
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().\r
*\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
*/\r
- void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** CDC class driver event for a line encoding change on a CDC interface. This event fires each time the host requests a\r
* line encoding change (containing the serial parity, baud and other configuration information) and may be hooked in the\r
*\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
*/\r
- void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** CDC class driver event for a control line state change on a CDC interface. This event fires each time the host requests a\r
* control line state change (containing the virtual serial control line states, such as DTR) and may be hooked in the\r
*\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
*/\r
- void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** Sends a given string to the attached USB host, if connected. If a host is not connected when the function is called, the\r
* string is discarded.\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
* \param[in] Data Pointer to the string to send to the host\r
* \param[in] Length Size in bytes of the string to send to the host\r
+ *\r
+ * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum\r
*/\r
- void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length);\r
+ uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1, 2);\r
\r
/** Sends a given byte to the attached USB host, if connected. If a host is not connected when the function is called, the\r
* byte is discarded.\r
*\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
* \param[in] Data Byte of data to send to the host\r
+ *\r
+ * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum\r
*/\r
- void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data);\r
+ uint8_t CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** Determines the number of bytes received by the CDC interface from the host, waiting to be read.\r
*\r
*\r
* \return Total number of buffered bytes received from the host\r
*/\r
- uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** Reads a byte of data from the host. If no data is waiting to be read of if a USB host is not connected, the function\r
- * returns 0. The \ref CDC_Device_BytesReceived() function should be queried before data is recieved to ensure that no data\r
+ * returns 0. The \ref CDC_Device_BytesReceived() function should be queried before data is received to ensure that no data\r
* underflow occurs.\r
*\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
*\r
* \return Next received byte from the host, or 0 if no data received\r
*/\r
- uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+ \r
+ /** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.\r
+ *\r
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
+ *\r
+ * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum\r
+ */\r
+ uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial\r
* control lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist\r
*\r
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.\r
*/\r
- void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);\r
+ void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
\r
/* Private Interface - For use in library only: */\r
#if !defined(__DOXYGEN__)\r
#if defined(INCLUDE_FROM_CDC_CLASS_DEVICE_C)\r
void CDC_Device_Event_Stub(void);\r
void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
- ATTR_WEAK ATTR_ALIAS(CDC_Device_Event_Stub);\r
+ ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Device_Event_Stub);\r
void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
- ATTR_WEAK ATTR_ALIAS(CDC_Device_Event_Stub);\r
+ ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Device_Event_Stub);\r
#endif\r
\r
#endif\r
projects / pub / USBasp.git / blobdiff