GATTS_GetHandleValue
C
uint16_t GATTS_GetHandleValue(uint16_t attrHandle, uint8_t *p_attrValue, uint16_t *p_attrLength);Description
Gets the attribute value of a valid attribute from GATT Server. If the attribute is permitted to read, value will be return in application provided buffer.
Note
The format of the attribute value is raw-data.
Parameters
| Parameter | Description |
|---|---|
| [in] attrHandle | Attribute Handle. |
| [out] p_attrValue | Pointer of buffer to store getting attribute value. Valid if API return status is success. |
| [in] p_attrLength | As input parameter, describe size of application provided buffer. As output parameter, describe actual size of getting attribute value when API return status is success. |
Return values
| Return value | Description |
|---|---|
| MBA_RES_SUCCESS | Successfully gets the attribute value. |
| MBA_RES_FAIL | Operation is not permitted. The attribute handle is valid but the attribute can't be read. |
| MBA_RES_INVALID_PARA | Invalid parameters. |