Revision1.30
DCM390 Serial Interface Specification
Date 25.Apr.’06
14 page of 40
D&M
2.6.2REQUEST PLAY STATUS command
Using this command, the host can get CD player information. The host shall send this command repeatedly to
sense the CD player’s status.
1) Command format
Byte/bit
7
6
5
4
3
2
1
0
0 STX
(0x02)
1
Command code (‘0’)
2
CD Time Code (Elapsed: ‘0’, Remain: ‘1’, Total Remain: ‘2’)
3 Reserve
(0x00)
4 Reserve
(0x00)
5 Reserve
(0x00)
6 ETX
(0x03)
7 BCCH
(high-level)
8 BCCL
(low-level)
Table7. Request CD Status command
2) Answer format
Byte/bit
7
6
5
4
3
2
1
0
0
STX (0x02))
1
Reply code (‘0’)
2
Answer code (Table 3)
3
[System] System Status (Table 4)
4
Disc No. code (Table 9)
5
Disc type code (Table 10)
6
Audio format code (Table 11)
7
Status code (Table 4)
8
Play mode code (Table 12)
9
Folder number (100 digits)
10
Folder number (10 digits)
11
Folder number (1 digits)
12
Track number (100 digits)
13
Track number (10 digits)
14
Track number (1 digits)
15 Reserve
(0x00)
16 Reserve
(0x00)
17
Elapsed / Remain time (minutes, 100 digits)
18
Elapsed / Remain time (minutes, 10 digits)
19
Elapsed / Remain time (minutes, 1 digits)
20
Elapsed / Remain time (second, 10 digits)
21
Elapsed / Remain time (second, 1 digits)
22 ETX
(0x03)
23 BCCH
(high-level)
24 BCCL
(low-level)
Table 8. Request CD Status answer