Man page 9 : encode_rs8

encode_rs8 - Calculate the parity for data values (8bit data width)

int encode_rs8(struct rs_control *  rs , uint8_t *  data , int  len , uint16_t *  par , uint16_t  invmsk );

rs
    the rs control structure

data
    data field of a given type

len
    data length

par
    parity data, must be initialized by caller (usually all 0)

invmsk
    invert data mask (will be xored on data)

The parity uses a uint16_t data type to enable symbol size > 8. The calling code must take care of encoding of the syndrome result for storage itself.

Thomas Gleixner <>
    Author.