Function
Beeper
sound
Parameter
ParaName |
Type |
Description |
time |
int |
length,unit:
millisecond |
frequency |
int |
Frequency,
unit: HZ, between 20 and
20000 |
voice |
int |
volume,no effect currently and the
default value is 1. |
Return
value
Return
value |
Description |
null |
|