AT COMMAND SET HILO/HILONC MODULES - Libelium

page 146/339Notes• Switch from nominal mode to cell scan mode (=1) makes the HILO rebootif neither netscan nor cellscan is still active, then HILO answers OK after reboot. Ifnetscan or cellscan is active, a new scan request doesn’t make the HILO rebootand the answer is immediate.• Switch from network scan mode to nominal mode (=0) makes the HILOreboot: HILO answers OK after reboot.• A value returned equal to 0xFF in the response or the notification, means that it wasnot possible to decode it• For parameter =0 and =2, no other parameter is needed.• For parameter =1, parameter is mandatory.• URC is sent when all information are available or when expired.• Found cells description can be obtained at any moment during scan with an ATcommand.• A new scan can be requested at any moment, even if the last one is not finished: inthat case the HILO doesn’t reboot.• Activation of the scan of PLMN stops previous scan of cell and inversely.Restrictions:• No normal network activity is possible (call reception, call emission,….)• AT commands related to network are not allowed.• Unsolicited result code are not sent (except the one related to network scan)Example:Cell scan activation:AT+KCELLSCAN=1,567OK+KCELLSCAN:567,22,02f810,3802,4f24,29,4Retrieving cell information:AT+KCELLSCAN=2+KCELLSCAN:567,22,02f810,3802,4f24,29,4OKCell scan deactivation:AT+KCELLSCAN=0OKDefine the Arfcn, the sending ofnotification, the timeout: rebootModule launches a power campaignand synchronizes on Arfcn.Wait for unsolicited message :+KCELLSCANPower campaign is finished and allinformation about the cell have beenreceivedTo check cells information at any time.Return to nominal mode: reboot.Note d’étude / Technical document :URD1– OTL 5635.1– 008 / 70248 Edition 07AT Command Set for SAGEM HiLo/HiLoNC Modules24/06/2009