參數(shù)資料
型號: STA450A
廠商: 意法半導(dǎo)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(jī)服務(wù)層
文件頁數(shù): 42/66頁
文件大小: 439K
代理商: STA450A
STA450A
42/66
3.3.18 EXTRACT_STATUS_REQ
BYTE
FIELD
VALUE
DESCRIPTION
0
CHNCHECK_LIST_CFM
0x98
Channel Check List Confirm Header
1
Command_status
0x01 - succesful
0xFF - failure
2
channel_bit_mask00
bit 7 – channel 007
bit 6 – channel 006
bit 5 – channel 005
bit 4 – channel 004
bit 3 – channel 003
bit 2 – channel 002
bit 1 – channel 001
bit 0 – channel 000
Channel mask 0 – channel status
indication bits for channels 0 to channel
7.
3
channel_bit_mask01
bit 7 – channel 015
bit 6 – channel 014
bit 5 – channel 013
bit 4 – channel 012
bit 3 – channel 011
bit 2 – channel 010
bit 1 – channel 009
bit 0 – channel 008
Channel mask 1 – channel status
indication bits for channels 8 to channel
15.
4
channel_bit_mask02
bit 7 – channel 023
bit 6 – channel 022
bit 5 – channel 021
bit 4 – channel 020
bit 3 – channel 019
bit 2 – channel 018
bit 1 – channel 017
bit 0 – channel 016
Channel mask 3 – channel status
indication bits for channels 16 to channel
23.
……
……
……
…….
……
……
……
…….
……
……
……
…….
33
channel_bit_mask31
bit 7 – channel 255
bit 6 – channel 254
bit 5 – channel 253
bit 4 – channel 252
bit 3 – channel 251
bit 2 – channel 250
bit 1 – channel 249
bit 0 – channel 248
Channel mask 32 – channel status
indication bits for channels 248 to
channel 255.
BYTE
FIELD
VALUE
DESCRIPTION
0
EXTRACT_STATUS_REQ
0x19
Extract Status Request header
1
location
0x00 – location 0
0x01 – location 1
Since SDEC can extract two services
simultaneously, XM stack specifies
which location to get the extraction
errors
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