Jason 1558f17d05 Convert async→sync reset on DSP/BRAM datapath registers for timing closure ...

P1-CRITICAL: doppler_processor.v — split FSM into control (async reset)
and BRAM/DSP datapath (sync reset) blocks. Fixes REQP-1839/1840 BRAM
address register corruption risk; enables DSP48 absorption of window
multipliers (mult_i/q).

P1-CRITICAL: frequency_matched_filter.v — convert all 4 pipeline stages
(input capture, multiply, add, saturate) from async to sync reset.
Enables DSP48E1 absorption of complex multiplier registers.

P1-HIGH: fir_lowpass.v — convert adder tree (L0-L4), output stage, and
valid pipeline from async to sync reset. Fixes 856 DPOR-1 warnings
(428 per FIR instance × 2 I/Q channels), enabling DSP48 absorption
of the entire pipelined adder tree.

Expected impact: eliminate ~1000 DRC warnings, improve WNS from +0.019ns
by enabling Vivado to absorb hundreds of registers into DSP48E1/BRAM
hard blocks. Full regression: 13/13 test suites pass (257+ assertions).

2026-03-17 20:11:13 +02:00

..

constraints

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

formal

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

scripts

Fix all 10 CDC bugs from report_cdc audit, add overflow guard in range_bin_decimator

2026-03-17 13:48:47 +02:00

tb

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

ad9484_interface_400m.v

Migrate hardware platform from XC7A50T to XC7A200T-2FBG484I

2026-03-16 22:24:22 +02:00

cdc_modules.v

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

chirp_memory_loader_param.v

Fix 6 RTL files + add xfft_32 stub for successful Vivado synthesis

2026-03-15 17:37:59 +02:00

cic_decimator_4x_enhanced.v

Achieve full timing closure on xc7a100tcsg324-1 at 400 MHz (0 violations)

2026-03-16 15:02:35 +02:00

dac_interface_single.v

Migrate hardware platform from XC7A50T to XC7A200T-2FBG484I

2026-03-16 22:24:22 +02:00

ddc_400m.v

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

ddc_input_interface.v

Fix ddc_input_interface 18->16 bit overflow: add saturation at positive full scale

2026-03-16 18:14:06 +02:00

doppler_processor.v

Convert async→sync reset on DSP/BRAM datapath registers for timing closure

2026-03-17 20:11:13 +02:00

edge_detector.v

Fix all 10 CDC bugs from report_cdc audit, add overflow guard in range_bin_decimator

2026-03-17 13:48:47 +02:00

fft_engine.v

Achieve full timing closure on xc7a100tcsg324-1 at 400 MHz (0 violations)

2026-03-16 15:02:35 +02:00

fft_twiddle_32.mem

Replace FFT stubs with synthesizable radix-2 DIT engine, fix BRAM inference

2026-03-16 10:25:07 +02:00

fft_twiddle_1024.mem

Replace FFT stubs with synthesizable radix-2 DIT engine, fix BRAM inference

2026-03-16 10:25:07 +02:00

fir_lowpass.v

Convert async→sync reset on DSP/BRAM datapath registers for timing closure

2026-03-17 20:11:13 +02:00

frequency_matched_filter.v

Convert async→sync reset on DSP/BRAM datapath registers for timing closure

2026-03-17 20:11:13 +02:00

latency_buffer_2159.v

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

long_chirp_seg0_i.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

long_chirp_seg0_q.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

long_chirp_seg1_i.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

long_chirp_seg1_q.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

long_chirp_seg2_i.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

long_chirp_seg2_q.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

long_chirp_seg3_i.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

long_chirp_seg3_q.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

matched_filter_multi_segment.v

Fix overlap-save: fill full 1024-sample buffer per segment, zero-pad last partial segment

2026-03-16 19:15:23 +02:00

matched_filter_processing_chain.v

Replace FFT stubs with synthesizable radix-2 DIT engine, fix BRAM inference

2026-03-16 10:25:07 +02:00

nco_400m_enhanced.v

Fix P0/P1 RTL bugs found during pre-hardware audit

2026-03-16 22:24:06 +02:00

plfm_chirp_controller.v

Fix 6 RTL bugs in FPGA signal processing chain

2026-03-15 06:14:04 +02:00

radar_mode_controller.v

Add SymbiYosys formal verification for 6 modules, fix 2 doppler bugs

2026-03-17 12:47:22 +02:00

radar_receiver_final.v

Fix P0/P1 RTL bugs found during pre-hardware audit

2026-03-16 22:24:06 +02:00

radar_system_top.v

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

radar_transmitter.v

Fix CDC reset domain bug (P0), strengthen testbenches with 31 structural assertions

2026-03-17 19:38:09 +02:00

range_bin_decimator.v

Fix range_bin_decimator overflow guard priority bug: group completion now takes precedence over overflow guard in ST_PROCESS, ensuring all OUTPUT_BINS outputs are emitted when sufficient input samples exist. Split formal property 5 into 5a (upper bound) and 5b (exact count when start_bin=0), added Cover 4 for overflow guard path, reduced BMC depth to 50.

2026-03-17 15:41:06 +02:00

short_chirp_i.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

short_chirp_q.mem

Regenerate chirp .mem files, add USB testbench, convert radar_system_tb to Verilog-2001

2026-03-16 19:53:40 +02:00

usb_data_interface.v

Fix all 10 CDC bugs from report_cdc audit, add overflow guard in range_bin_decimator

2026-03-17 13:48:47 +02:00

xfft_32.v

Replace FFT stubs with synthesizable radix-2 DIT engine, fix BRAM inference

2026-03-16 10:25:07 +02:00