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Add return codes to the CDC Host Class driver String/Byte transmission functions.

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This commit is contained in:
Dean Camera 2009-08-31 13:58:03 +00:00
parent cf2776531c
commit dac7b046fd
6 changed files with 26 additions and 13 deletions
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8
LUFA/Drivers/USB/Class/Host/CDC.h
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@ -163,16 +163,20 @@
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
* \param[in] Data Pointer to the string to send to the device
* \param[in] Length Size in bytes of the string to send to the device
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum
*/
void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1, 2);
uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1, 2);
/** Sends a given byte to the attached USB device, if connected. If a host is not connected when the function is called, the
* byte is discarded.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
* \param[in] Data Byte of data to send to the device
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum
*/
void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
/** Determines the number of bytes received by the CDC interface from the device, waiting to be read.
*