How do I change type of data to send with BLE?

How do I change type of data to send with BLE?https://devzone.nordicsemi.com/f/nordic-q-a/29584/how-do-i-change-type-of-data-to-send-with-bleI want to change type from "uint32_t val1 = 0xAA01" to "uint8_t val2 = {"AA01"}. Then, attr_char_value.p_value = val2; => sd_ble_gatts_characteristic_add(p_rms->service_handle, &char_md, &attr_char_value, &p_rms->version_char_handles); Canen-USTelligent Community 13Fri, 19 Jan 2018 11:45:24 GMTRE: How do I change type of data to send with BLE?https://devzone.nordicsemi.com/thread/117570?ContentTypeID=1Fri, 19 Jan 2018 11:45:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d951cb75-d566-45f1-9a32-e073bdd9e765MartinBL<p>Have you tried?</p> <p>itoa() doesn't seem to be part of the standard and after a couple of google searches it seems like <a href="http://www.keil.com/forum/11429/">sprintf is to be preferred</a>.</p><div style="clear:both;"></div>