+ /** CCID class driver callback for PC_TO_RDR_XfrBlock CCID message
+ * Send a block of bytes from the host to a slot in the device
+ * and also received a block of bytes as a response
+ *
+ * \param[in,out] CCIDInterfaceInfo Pointer to a structure containing a CCID Class configuration and state.
+ * \param[in] slot The slot ID from which we want to retrieve the status.
+ * \param[in] receivedBuffer Pointer to an array holding the received block of bytes
+ * \param[in] receivedBufferSize The size of the received block of bytes
+ * \param[out] sendBuffer Pointer to a buffer which will hold the bytes being sent back to the host
+ * \param[out] sentBufferSize The size of the block of bytes being sent back to the host
+ * \param[out] error The result of the operation, or error.
+ *
+ * \return The command result code.
+ */
+ uint8_t CALLBACK_CCID_XfrBlock(USB_ClassInfo_CCID_Device_t* const CCIDInterfaceInfo,
+ uint8_t slot,
+ uint8_t* const receivedBuffer,
+ uint8_t receivedBufferSize,
+ uint8_t* const sendBuffer,
+ uint8_t* const sentBufferSize,
+ uint8_t* const error);
+