uint32_t EI_API_CIP_getAttr_usint | ( | T * | pCipNode_p, |
uint16_t | classId_p, | ||
uint16_t | instanceId_p, | ||
uint16_t | attrId_p, | ||
ei_api_cip_edt_usint * | pValue_p | ||
) |
Get attribute of type USINT
.
This function returns the attribute value of the CIP specified elementary data type USINT
.
[in] | pCipNode_p | Pointer to the CIP node. |
[in] | classId_p | Class identifier. |
[in] | instanceId_p | Instance identifier. |
[in] | attrId_p | Attribute identifier. |
[out] | pValue_p | Pointer to store the value of an attribute of type ei_api_cip_edt_usint. |
EI_API_CIP_eERR_OK | Success. |
EI_API_CIP_eERR_GENERAL | General CIP error. |
EI_API_CIP_eERR_NODE_INVALID | CIP node is invalid, possibly EI_API_CIP_NODE_new() was not called. |
EI_API_CIP_eERR_CLASS_DOES_NOT_EXIST | Class does not exists in CIP node dictionary. |
EI_API_CIP_eERR_INSTANCE_DOES_NOT_EXIST | Instance does not exist in CIP node dictionary. |
EI_API_CIP_eERR_ATTRIBUTE_DOES_NOT_EXIST | Attribute does not exist in class or instance. |
EI_API_CIP_eERR_ATTRIBUTE_INVALID_VALUE | Invalid data pointer. |
EI_API_CIP_eERR_ATTRIBUTE_INVALID_TYPE | Attribute type is invalid. |
EI_API_CIP_eERR_ATTRIBUTE_UNKNOWN_STATE | Unknown state during attribute operation reached. |