+               *error = CCID_ERROR_SLOT_NOT_FOUND;
+               return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
+       }
+}
+
+/** Event handler for the CCID_PC_to_RDR_SetParameters when T=0. This message is sent to
+ *  the device whenever an application at the host wants to set the parameters for a
+ *  given slot.
+ */
+uint8_t CALLBACK_CCID_SetParameters_T0(USB_ClassInfo_CCID_Device_t* const CCIDInterfaceInfo,
+                                                                          const uint8_t Slot,
+                                                                          uint8_t* const Error,
+                                                                          USB_CCID_ProtocolData_T0_t* const T0)
+{
+       if (Slot == 0)
+       {
+               // Set parameters
+               memcpy(&CCIDInterfaceInfo->ProtocolData, T0, sizeof(USB_CCID_ProtocolData_T0_t));
+
+               *Error = CCID_ERROR_NO_ERROR;
+               return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
+       }
+       else
+       {
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;
+               return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
+       }
+}
+
+/** Event handler for the CCID_PC_to_RDR_GetParameters when T=0. This message is sent to
+ *  the device whenever an application at the host wants to get the current parameters for
+ *  a given slot.
+ */
+uint8_t CALLBACK_CCID_GetParameters_T0(USB_ClassInfo_CCID_Device_t* const CCIDInterfaceInfo,
+                                                                          const uint8_t Slot,
+                                                                          uint8_t* const Error,
+                                                                          uint8_t* const ProtocolNum,
+                                                                          USB_CCID_ProtocolData_T0_t* const T0)
+{
+       if (Slot == 0)
+       {
+               *ProtocolNum = CCID_PROTOCOLNUM_T0;
+               memcpy(T0, &CCIDInterfaceInfo->ProtocolData, sizeof(USB_CCID_ProtocolData_T0_t));
+
+               *Error = CCID_ERROR_NO_ERROR;
+               return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
+       }
+       else
+       {
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;