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參數(shù)資料
| 型號： | STA450A |
| 廠商： | 意法半導體 |
| 英文描述： | XMRADIO SDARS SERVICE LAYER & SOURCE DECODER |
| 中文描述： | XMRADIO衛(wèi)星數(shù)字收音機服務(wù)層 |
| 文件頁數(shù)： | 41/66頁 |
| 文件大?。?/td> | 439K |
| 代理商： | STA450A |
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STA450A
3.3.15 SERVICE_CANCEL
3.3.16 SERVICE_ROUTING
3.3.17 CHCHECK_LIST_REQ
BYTE
FIELD
VALUE
DESCRIPTION
0
SERVICE_CANCEL_REQ
0x16
Service Cancel Request header
1
location
0x00 – location 0
0x01 – location 1
Since DSP can extract two services
simultaneously, XM stack specifies
which location to cancel.
BYTE
FIELD
VALUE
DESCRIPTION
0
SERVICE_CANCEL_CFM
0x96
Service Cancel Confirm header
1
location
0x00 – location 0
0x01 – location 1
DSP reports the extraction location that
was cancelled. If the command is
refused 0xFF is returned
BYTE
FIELD
VALUE
DESCRIPTION
0
SERVICE_ROUTING_REQ
0x17
Service Routing Request header
1
location
0x00 – location 0
0x01 – location 1
Since DSP can extract two services
simultaneously, XM stack specifies
which location to change the routing
2
routing
0x00 – No routing
0x01 – AUDIO_PORT
0x02 – DATA_PORT
0x03 – BOTH_PORT
Routing information
BYTE
0
1
FIELD
VALUE
DESCRIPTION
SERVICE_ROUTING_CFM
location
0x97
0x00 – location 0
0x01 – location 1
Service Routing Confirm header
Location that changed routing.
If the command is refused 0xFF is
returned
New routing configuration. If the
command is refused the old routing
status is returned
2
routing
0x00 – No routing
0x01 – AUDIO_PORT
0x02 – DATA_PORT
0x03 – BOTH_PORT
BYTE
FIELD
VALUE
DESCRIPTION
0
1
CHNCHECK_LIST_REQ
extract_type
0x18
0x00 – Audio
0x01 - Data
0x00 – FALSE
0x01 - TRUE
Channel Check List Request Header
MMI can extract the audio or data
service component.
If the MMI is requesting only the
channels belonging to a program type,
then the prog_type_flag is set to TRUE.
If the MMI is requesting all channels,
then the prog_type_flag is set to FALSE.
If the prog_type_flag is set to TRUE,
then the SDEC reports the service
labels that only belongs to this program
type.
2
prog_type_flag
3
program_type
1 - 31
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