URL https://opencores.org/ocsvn/bluespec-reedsolomon/bluespec-reedsolomon/trunk

Subversion Repositories bluespec-reedsolomon

[/] [bluespec-reedsolomon/] [trunk/] [sw-reedsolomon/] [syndrome.cpp] - Diff between revs 5 and 9

Rev 5	Rev 9
Line 27...	Line 27...

`#include "global_rs.h"`	`#include "global_rs.h"`
`#include "gf_arith.h"`	`#include "gf_arith.h"`
`#include "syndrome.h"`	`#include "syndrome.h"`

`#pragma hls_design`
`// Parameters k and t need to be dynamically used for each packet`	`// Parameters k and t need to be dynamically used for each packet`
`// However, this version uses static values for simplicity`	`// However, this version uses static values for simplicity`

	`// Directive: Synthesize independently`
`void syndrome (unsigned char k, unsigned char t, unsigned char r[nn], unsigned char s[2*tt])`	`void syndrome (unsigned char k, unsigned char t, unsigned char r[nn], unsigned char s[2*tt])`
`{`	`{`
`unsigned char r_temp;`	`unsigned char r_temp;`

`#pragma unroll true`	`// Directive: Unroll loop maximally`
`Syn_Init: for (int j=0; j<2*tt; j++)`	`Syn_Init: for (int j=0; j<2*tt; j++)`
`s[j]=0;`	`s[j]=0;`

`Syn_Outer: for (int i = 0; i < nn; ++ i)`	`Syn_Outer: for (int i = 0; i < nn; ++ i)`
`{`	`{`
`r_temp = r[i];`	`r_temp = r[i];`

`#pragma unroll true`	`// Directive: Unroll loop maximally`
`Syn_Inner: for (int j = 0; j < 2*tt; ++ j)`	`Syn_Inner: for (int j = 0; j < 2*tt; ++ j)`
`{`	`{`
`// cout << "(" << (int) r [j] << ") "`
`// << (int) a << " : " << (int) s [i] << endl;`
`s[j] = gfmult_hw (s [j], alpha(j+1)) ^ r_temp;`	`s[j] = gfmult_hw (s [j], alpha(j+1)) ^ r_temp;`
`}`	`}`
`}`	`}`
`}`	`}`

`No newline at end of file`	`No newline at end of file`