OpenTTCN/Knowledge base/Standard codec explained/Table 5

OpenTTCN DocZone

Examples of bitstring encodings

Table 5: Examples of bitstring encodings
TTCN-3 type	TTCN-3 value	Example encoding (hex)	Effective bits
constrained
LibCommon_DataStrings.Bit1	`'1'B`	`80`	1
LibCommon_DataStrings.Bit1	`'0'B`	`00`	1
LibCommon_DataStrings.Bit2	`'10'B`	`80`	2
LibCommon_DataStrings.Bit2	`'11'B`	`C0`	2
LibCommon_DataStrings.Bit2	`'01'B`	`40`	2
LibCommon_DataStrings.Bit2	`'00'B`	`00`	2
LibCommon_DataStrings.Bit3	`'101'B`	`A0`	3
LibCommon_DataStrings.Bit5	`'10111'B`	`B8`	5
LibCommon_DataStrings.Bit12	`'011101011100'B`	`75 C0`	12
LibCommon_DataStrings.Bit15	`'011101011100111'B`	`75 CE`	15
LibCommon_DataStrings.Bit16	`'0111010111001111'B`	`75 CF`	16
LibCommon_DataStrings.Bit17	`'01110101110011111'B`	`75 CF 80`	17
LibCommon_DataStrings.Bit18	`'011101011100111001'B`	`75 CE 40`	18
LibCommon_DataStrings.Bit32	`'01110101110001100111010111001011'B`	`75 C6 75 CB`	32
LibCommon_DataStrings.Bit40	`'0111010111000110011101011100101100000001'B`	`75 C6 75 CB 01`	40
unconstrained
bitstring	`'0111010111001111'B`	`01 10 75 CF`	32
bitstring	`'011101011100111'B`	`01 0F 75 CE`	32
bitstring	`'01110101110011111'B`	`01 11 75 CF 80`	40
bitstring	`'011101011100111001'B`	`01 12 75 CE 40`	40