User's Manual

HF-BL100-CU Low Energy Bluetooh（BLE 4.0）Module User Manual
Shanghai High Flying Electronics Technology Co., Ltd www.hi-flying.com - 39
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"AT:WRONG\r\n" means invalid parameter, change failed
"AT:ERP\r\n" means invalid command, change failed
APP command no need "\r\n"
4.3.24. Query Device Verify Code
Function：query device verify code parameter， all ‟0‟ means no verify code
Effective time：immediately
Command：
"AT:PID？"+<CR><LF>
„?‟: means query command
APP command no need<CR><LF>
Feedback：
"AT:PID-"+ Data+<CR><LF>
APP Command no need<CR><LF>
Data:4 Character means 1 hexadecimal data, ‟0‟~‟9‟,‟A‟~‟F‟ means 0~9，A~F（“12AD”->
hexadecimal 0x12AD）
"AT:ERP\r\n" means invalid command, query failed
APP Command no need "\r\n"
4.3.25. Set UART Output Data Latency
Function： receive data from APP, then output low level in BCTS inform outside MCU, send data
after the set latency time; during sending, BCTS keep low level until sending finished, set
BCTS high level; AT command feedback data from UART is not effected by this
Effective time：immediately
"AT:CDL-"+X+<CR><LF>
X: 2 character means 1 byte, “10”-> decimal 10，unit ms，max 10ms
Feedback：
"AT:OK\r\n" means command successfully received
"AT:WRONG\r\n" means invalid parameter, change failed