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This function converts a single hexstring value to a single bitstring. The resulting bitstring represents the same value as the hexstring.
For the purpose of this conversion, a hexstring should be converted into a bitstring, where the hex digits of the hexstring are converted in groups of bits as follows:
'0'H -> '0000'B, '1'H -> '0001'B, '2'H -> '0010'B, '3'H -> '0011'B, '4'H -> '0100'B, '5'H -> '0101'B,
'6'H -> '0110'B, '7'H -> '0111'B, '8'H-> '1000'B, '9'H -> '1001'B, 'A'H -> '1010'B, 'B'H -> '1011'B,
'C'H -> '1100'B, 'D'H -> '1101'B, 'E'H -> '1110'B, and 'F'H -> '1111'B.
The consecutive order of the groups of 4 bits in the resulting bitstring is the same as the order of hex digits in the hexstring.
Related keyword:
hex2bit(hexstring value) return bitstring |
Example 1:
const bitstring c_perrongen := hex2bit('A7'H);
The constant called c_perrongen will contain the bit string 10100111.