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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