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1. Serial Communications Basics
1.5
Serial Communications Syntax
Characters
In this manual, all characters are expressed using the C-Language syntax:
decimal values
ddd
2
hexadecimal values
\x
hh
3
Negative Values/Numbers
The 2s complement number system is used to express negative numbers
Pascal-language string
A Pascal-language string consists of one or more characters. The first character of the string contains the length of the string.
Therefore, a Pascal-language string is limited to 255 characters.
Pascal string ’Hello world”
length
\x0b
’h’
\x68
’e’
\x65
’l’
\x6c
’l’
\x6c
’o’
\x6f
”
\x20
’w’
\x77
’o’
\x6f
’r’
\x72
’l’
\x6c
’d’
\x64
C-language string
A C-language string consists of one or more characters. The last character of the string is always the NULL character
\x00
. There-
fore, the length of a C-language string is determined by the position of the NULL character...
C string ’Hello world”
’h’
\x68
’e’
\x65
’l’
\x6c
’l’
\x6c
’o’
\x6f
”
\x20
’w’
\x77
’o’
\x6f
’r’
\x72
’l’
\x6c
2. ddd=0...255
3. hh=00...ff
12
R5976538 BARCOREALITY SIM6 ULTRA SERIES 08/06/2005
Содержание BarcoReality SIM6 Ultra R9040150
Страница 4: ......
Страница 18: ...1 Serial Communications Basics 14 R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 ...
Страница 36: ...2 RS232 Commands Receive Answer Checksum x70 Stop xff 32 R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 ...
Страница 45: ...2 RS232 Commands Receive Answer Checksum x6e Stop xff R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 41 ...
Страница 88: ...2 RS232 Commands Receive Answer Checksum xa8 Stop xff 84 R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 ...
Страница 200: ...2 RS232 Commands Receive Answer Data 8 x00 Checksum xbd Stop xff 196 R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 ...
Страница 209: ...2 RS232 Commands Receive Answer Checksum xc9 Stop xff R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 205 ...
Страница 217: ...2 RS232 Commands Receive Acknowledge Checksum x07 Stop xff R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 213 ...
Страница 247: ...2 RS232 Commands Receive Answer Data 3 xe8 Checksum x21 Stop xff R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 243 ...
Страница 330: ...Index 326 R5976538 BARCOREALITY SIM6 ULTRA SERIES 08 06 2005 ...