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d059cf8109b5c2b0a1a8fd53db1d19f25860e00a
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Author SHA1 Message Date
jens d059cf8109 - new signal 'start' to trigger FIR process 
use din_vld for data load. This permits decimation FIR filtering


git-svn-id: http://moon:8086/svn/vhdl/trunk@217 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-10 17:40:32 +00:00
jens ffa4eb81ca - Lowpass prototype: omega is fraction of fs/2 
git-svn-id: http://moon:8086/svn/vhdl/trunk@216 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-10 08:56:38 +00:00
jens 04e1b6fcbf - Cleaned up 
git-svn-id: http://moon:8086/svn/vhdl/trunk@215 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-09 11:50:57 +00:00
jens 8106295641 - added unfiltered output at ddc for eval 
git-svn-id: http://moon:8086/svn/vhdl/trunk@214 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-09 11:50:40 +00:00
jens 5f40d70789 - coef input registered 
git-svn-id: http://moon:8086/svn/vhdl/trunk@213 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-08 10:25:45 +00:00
jens 83a9b4c417 - changed iterative CFIR wirh semi-parallel version 
git-svn-id: http://moon:8086/svn/vhdl/trunk@212 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-06 21:20:29 +00:00
jens a98a8bb0ba - Cleaned up 
git-svn-id: http://moon:8086/svn/vhdl/trunk@211 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-06 21:15:45 +00:00
jens 590734078c - added assertion check for min coef_latency 
git-svn-id: http://moon:8086/svn/vhdl/trunk@210 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-06 10:14:38 +00:00
jens 0ed5461442 - Cleaned up 
git-svn-id: http://moon:8086/svn/vhdl/trunk@209 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-05 10:54:55 +00:00
jens c46a1caaf5 - Minor changes 
git-svn-id: http://moon:8086/svn/vhdl/trunk@208 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-05 10:15:53 +00:00
jens 9c12bc9640 - added RAM-based architecture 
git-svn-id: http://moon:8086/svn/vhdl/trunk@207 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-05 10:06:37 +00:00
jens 90a889a5f8 - use RAM-based delayline 
git-svn-id: http://moon:8086/svn/vhdl/trunk@206 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-05 10:06:14 +00:00
jens 245c01ad45 - fixed missing CE at yout 
git-svn-id: http://moon:8086/svn/vhdl/trunk@205 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-05 09:32:43 +00:00
jens 9832fbfac9 - added dedicated DPRAM for COEFFS 
git-svn-id: http://moon:8086/svn/vhdl/trunk@204 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-05 09:32:27 +00:00
jens 650e5db110 - Minor changes 
git-svn-id: http://moon:8086/svn/vhdl/trunk@203 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 16:34:02 +00:00
jens 58257266ad - Minor changes 
git-svn-id: http://moon:8086/svn/vhdl/trunk@202 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 16:14:14 +00:00
jens c10463c961 - removed reset from fir_stage_sys 
git-svn-id: http://moon:8086/svn/vhdl/trunk@201 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 16:13:58 +00:00
jens e4dc3e69a1 - fixed rdy-signal 
git-svn-id: http://moon:8086/svn/vhdl/trunk@200 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 15:31:46 +00:00
jens 9a756d4ca8 - Minor changes 
git-svn-id: http://moon:8086/svn/vhdl/trunk@199 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 15:31:20 +00:00
jens f05c6bb829 - input data rate can be lower than filter 
git-svn-id: http://moon:8086/svn/vhdl/trunk@198 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 15:16:06 +00:00
jens fe60d9d7a4 - added shift_en input 
git-svn-id: http://moon:8086/svn/vhdl/trunk@197 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 15:15:54 +00:00
jens 9675773b2a - added ce 
git-svn-id: http://moon:8086/svn/vhdl/trunk@196 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 14:00:06 +00:00
jens 1738a6c0b6 - minor mods to accu_ld_pipe 
git-svn-id: http://moon:8086/svn/vhdl/trunk@195 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-04 13:56:07 +00:00
jens bc4c015150 - minor mods to vld_pipe 
git-svn-id: http://moon:8086/svn/vhdl/trunk@194 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-03 20:33:42 +00:00
jens d28b2225a7 - uses only fir_pkg and filter_pkg for FIR 
git-svn-id: http://moon:8086/svn/vhdl/trunk@193 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-03 20:13:55 +00:00
jens fcdbc0e601 - Intital revision 
git-svn-id: http://moon:8086/svn/vhdl/trunk@192 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-03 20:06:07 +00:00
jens 690c6c24f6 - bug fix coef-pipe 
git-svn-id: http://moon:8086/svn/vhdl/trunk@191 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-03 20:05:04 +00:00
jens ba703d81df - simplification for coef-array 
git-svn-id: http://moon:8086/svn/vhdl/trunk@190 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:48:36 +00:00
jens 0ed3e397f2 - using fir_stage_sys instead of fir_stage 
git-svn-id: http://moon:8086/svn/vhdl/trunk@189 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:23:04 +00:00
jens eb818a15bb - added coef_latency 
git-svn-id: http://moon:8086/svn/vhdl/trunk@188 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:22:28 +00:00
jens a165d37bb7 - added coef_latency 
- y_dout registered


git-svn-id: http://moon:8086/svn/vhdl/trunk@187 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:22:12 +00:00
jens c574f7f0fd - moved fixed_array_t to fixed_util_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@186 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:21:11 +00:00
jens a10614df0a - fix ntaps_bits 
git-svn-id: http://moon:8086/svn/vhdl/trunk@185 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:20:48 +00:00
jens 5f1b2738de - moved real_array_t to fixed_util_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@184 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:20:21 +00:00
jens d7ed0a9fb0 - added CFIR 
git-svn-id: http://moon:8086/svn/vhdl/trunk@183 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:19:08 +00:00
jens 655cfb7f0d - Minor changes 
git-svn-id: http://moon:8086/svn/vhdl/trunk@182 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:18:38 +00:00
jens 55a702d6bd - moved real_array_t to fixed_util_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@181 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 16:07:16 +00:00
jens e8ddaf8d98 - added real veriants of NextPower... 
git-svn-id: http://moon:8086/svn/vhdl/trunk@180 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-01-02 15:28:01 +00:00
jens 377b8c0993 - Intital revision 
git-svn-id: http://moon:8086/svn/vhdl/trunk@179 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-31 15:54:51 +00:00
jens 8c652af1a7 - removed sproto-calls due to crashes in synth tools 
git-svn-id: http://moon:8086/svn/vhdl/trunk@178 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-31 11:23:50 +00:00
jens 18641b8411 - uses ieee_proposed.fixed_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@177 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 19:37:56 +00:00
jens dc63b8df76 - Ratio and gain are set at synthesis time (simpler) 
git-svn-id: http://moon:8086/svn/vhdl/trunk@176 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 18:56:12 +00:00
jens 7c7fc19162 - Minor changes 
git-svn-id: http://moon:8086/svn/vhdl/trunk@175 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 18:54:21 +00:00
jens c11d040f68 - added register after scaler 
git-svn-id: http://moon:8086/svn/vhdl/trunk@174 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 06:24:39 +00:00
jens 4cd2e0fd19 - uses ieee_proposed.fixed_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@173 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 06:04:19 +00:00
jens 61d5c40cd2 - uses ieee_proposed.fixed_pkg 
- din scaled to more fraction precision at integrator input.
  Number of integer bits are the same as din
- min_gain intrduced (reduces complexity of barrel shifter).
 Din always constant scaled by min_gain.


git-svn-id: http://moon:8086/svn/vhdl/trunk@172 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 06:03:56 +00:00
jens 75f8ddd340 - uses ieee_proposed.fixed_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@171 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 05:35:51 +00:00
jens 8136d54172 - uses ieee_proposed.fixed_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@170 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 05:21:52 +00:00
jens 50e4d2d32a - combine in/out_width to max_width 
- uses ieee_proposed.fixed_pkg


git-svn-id: http://moon:8086/svn/vhdl/trunk@169 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 04:39:46 +00:00
jens c45b123bdb - uses ieee_proposed.fixed_pkg 
git-svn-id: http://moon:8086/svn/vhdl/trunk@168 cc03376c-175c-47c8-b038-4cd826a8556b
 2008-12-30 04:32:32 +00:00