Protocol Specs

Revision1.40 DCM390 Serial Interface Specification
Date 24.May.’07 21 page of 40
D&M
2.6.7 REQUEST CD TOC command
This command requests the device to send CD TOC data and MP3/WMA file data.
1) Command format
Byte/bit 7 6 5 4 3 2 1 0
0 STX (0x02)
1 Command code (‘5’)
2 Reserve (0x00)
3 Track number 100 digits (Table 26)
4 Track number 10 digits (Table 26)
5 Track number 1 digits (Table 26)
6 ETX (0x03)
7 BCCH (high-level)
8 BCCL (low-level)
Table 25. Request CD Data command
Track
number
Content TOC data format Remark
‘000’ Reserved
’0000000’
‘001’ Track 1
‘mmmssff’
| | |
‘512’
Track 512 Track 99
512
‘mmm’: minute
’ss’: second,
‘ff’: frame
‘0A0’ First track number
‘xxx0000’
‘xxx’: first track number
‘0A1’ Last track number
‘xxx0000’
‘xxx’: last track number
‘0A2’ Total time ‘mmmssff’
‘0A3’ Total track ‘xxx0000’ ‘xxx’: total track number
‘0A4’ Total folder ‘xx00000’ ‘xx’: total folder number
Table 26. Track number, TOC data
2) Answer format
Byte/bit 7 6 5 4 3 2 1 0
0 STX (0x02)
1 Reply code (‘5’)
2 Answer code (Table 3)
3 Reserve (0x00)
4 Track number 100 digits (Table 26)
5 Track number 10 digits (Table 26)
6 Track number 1 digits (Table 26)
7 TOC data 0 (Minute 100 digits)
8 TOC data 1 (Minute 10 digits)
9 TOC data 2 (Minute 1 digits)
10 TOC data 3 (Second 10 digits)
11 TOC data 4 (Second 1 digits)
12 TOC data 5 (Frame 10 digits)
13 TOC data 6 (Frame 1 digits)
14 ETX (0x03)
15 BCCH (high-level)
16 BCCL (low-level)
Table 27. Request CD Data answer