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| author | Clifford Wolf <clifford@clifford.at> | 2016-05-15 12:54:04 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2016-05-15 12:54:04 +0200 |
| commit | 9ebed4d055f624274e9a793b7e0e8774ae88ace5 (patch) | |
| tree | 65d56fd83ddeb5b101c635ba5876b59c443fb880 /icepll | |
| parent | 37cc00c3dfe28430411275aaabee1f4784a0eb9d (diff) | |
| download | icestorm-9ebed4d055f624274e9a793b7e0e8774ae88ace5.tar.gz icestorm-9ebed4d055f624274e9a793b7e0e8774ae88ace5.tar.bz2 icestorm-9ebed4d055f624274e9a793b7e0e8774ae88ace5.zip | |
Added FILTER_RANGE support to icepll
Diffstat (limited to 'icepll')
| -rw-r--r-- | icepll/icepll.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/icepll/icepll.cc b/icepll/icepll.cc index 7a3593d..a832b8c 100644 --- a/icepll/icepll.cc +++ b/icepll/icepll.cc @@ -142,6 +142,13 @@ int main(int argc, char **argv) double f_pfd = f_pllin / (best_divr + 1);; double f_vco = f_pfd * (best_divf + 1); + int filter_range = + f_pfd < 17 ? 1 : + f_pfd < 26 ? 2 : + f_pfd < 44 ? 3 : + f_pfd < 66 ? 4 : + f_pfd < 101 ? 5 : 6; + if (!simple_feedback) f_vco *= exp2(best_divq); @@ -170,5 +177,9 @@ int main(int argc, char **argv) printf("\n"); + printf("FILTER_RANGE: %d (3'b%s)\n", filter_range, binstr(filter_range, 3)); + + printf("\n"); + return 0; } |