Intel
®
IXP400 Digital Signal Processing (DSP) Software Version 2.5
Media Processing Resource Components
API Reference Manual
17
Events
•
XEVT_CODE_TD_TONEON
– tone on event for an individual tone
•
XEVT_CODE_TD_TONEOFF
– tone off event for an individual tone
Event
data1
gives the tone ID and
data2
gives the time stamp in 10-ms units.
3.6
Audio Player Resource Component
Resource Type:
XMPR_PLY
Media Processing Functions
•
Play back recorded audio data.
Resource-Specific Control Messages
•
XMSG_PLY_START
(inbound)
•
XMSG_PLY_CMPLT
(outbound)
Parameters
Events
None.
3.7
Audio Mixer Resource Component
Resource Type:
XMPR_MIX
XPARMID_TD_FSK_CS
Minimum CS-bit length required by FSK receiver. Default: 200
if country code set to
COUNTRY_CODE_US
or
COUNTRY_CODE_PRC
, otherwise 0.
R/W
Y
XPARMID_TD_FSK_MARK
Minimum mark-bit length required by FSK receiver. Default:
100 if country code set to
COUNTRY_CODE_US
or
COUNTRY_CODE_PRC
, otherwise 60.
R/W
Y
XPARMID_TD_FSK_STOP
Extra stop bits allowed between data.
Default: 20
R/W
Y
XPARMID_TD_FSK_RATE
Baud rate of FSK receiver. (Reserved for future, currently only
support 1,200 bps rate)
R/W
Y
Identifier
Description and values
Attr.
Direct
Write
Identifier
Description and values
Attr.
Direct
Write
XPARMID_RES_STATE
Current state (0: idle, 1: active)
R
N
XPARMID_PLY_VOL
Volume adjustment (+15 ~ –30 in 1dB unit), Default: 0
R/W
N
