[root@OM-A6-T300:NandFlash]# ./omDemo1 4884 21 0 0 0 RS485-1:9600,n,8,1
VIDIOC_QUERYCAPno captureno streamingMemTotal:         248284 kB
MemFree:          203780 kB
MemAvailable:     219916 kB
Buffers:               0 kB
!!!MemVsz 0: 4876 KB
SIGRTMAX-1= 63
SerManager new: aa4710
!!!MemVsz change: 128 KB
!!!MemVsz change: 4916 KB
!!!MemVsz change: 1248 KB

SMxxx: Type=4884  Addr=21  Port=0  Tag1=0  Ext1=0

SerDef=RS485-1:9600,n,8,1 Type=4884
CSMModbus::UpdLoad  d=2  50ms  tout=300  DataByte=0
testSM SM=aa73a8
CSerCom InitCom: aa7788  1
CSerCom UpdParams: ComPort: RS485-1, 0, 0
CSerCom::Open: /dev/RS485-1,9600,8,N,0
set serial done+!
RS485-1:9600,n,8,1[100001] open ok!
VIDIOC_QUERYCAPno captureno streamingMemTotal:         248284 kB
MemFree:          203472 kB
MemAvailable:     219608 kB
Buffers:               0 kB
start SMxxx->DataGet ...
regs1
regs2
regs3
0=2
SEND: 15 03 00 00 00 02 C7 1F
RECV: 15 03 04 FF 8C 00 3C 5F DC
ircv=9
SMModbus.cpp SetDate2Sec_Vals 1104 ssec=regs3 iFunc=3 idat=3 icnt=2 ireg=0
regs4
t=4884  iaddr=21  iext=0
40001=-116
40002=60
brief=X▒▒: -1.2 ,Y▒▒: 0.6
testSM-0001 17:16:03  RS485-1:9600,n,8,1
regs1
regs2
regs3
0=2
SEND: 15 03 00 00 00 02 C7 1F
RECV: 15 03 04 FF 8D 00 3C 0E 1C
ircv=9
SMModbus.cpp SetDate2Sec_Vals 1104 ssec=regs3 iFunc=3 idat=3 icnt=2 ireg=0
regs4
t=4884  iaddr=21  iext=0
40001=-115
40002=60
brief=X▒▒: -1.2 ,Y▒▒: 0.6