Huawei MC509 Benutzerhandbuch

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HUAWEI MC509 CDMA LGA Module 
AT Command Interface Specification 
Audio Commands 
 
Issue 01 (2011-08-26) 
Huawei Proprietary and Confidential 
Copyright © Huawei Technologies Co., Ltd. 
124 
 
Command 
Possible response(s) 
^CPCM=<mode>,<for
mat>,<clock>,<frame>
,<offset> 
<CR><LF>OK<CR><LF> 
<CR><LF>ERROR<CR><LF> 
^CPCM? 
<CR><LF>^CPCM:<mode>, 
<format>,<clock>,<frame>,<offset><CR><LF><CR><LF>
OK<CR><LF> 
^CPCM =? 
<CR><LF>^CPCM:(list of supported <mode>s), (list of 
supported <format>s) , (list of supported <clock>s), (list of 
supported <frame>s), (list of supported 
<offset>s)<CR><LF><CR><LF>OK<CR><LF> 
 
11.2.1 Description 
This command is used to configure the PCM audio before a voice call. Resetting the 
module will not affect the value. Module updating will reset the value to default value. 
11.2.2 Defined Values 
<mode>: 
MASTER_PRIM (default) 
MASTER_AUX (Reserved, not supported currently) 
SLAVE (Reserved, not supported currently) 
<format> 
linear (default) 
u-law 
a-law (Reserved, not supported currently) 
<clock> 
2.048MHz (default) 
128KHz (Reserved, not supported currently) 
<frame> 
short frame(default) 
long frame (Reserved, not supported currently) 
<offset> 
offset cleared(default): the sync launched is aligned to the rising edge of the 
PCM CLK 
short sync offset set: the short sync sent to the external world in Primary PCM 
master mode is launched 1/4 cycle after the rising edge of the PCM CLK