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fpga: rfnoc: Add tests to FFT block

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This adds additional tests to the testbench to cover register reads and
basic IFFT functionaltiy.


Original-commit: 9157e11795f3ca86dae2ee930e60a79470d1447f
This commit is contained in:
Wade Fife
2020-08-10 09:58:02 -05:00
parent 06afe79a42
commit b4ea61f129
2 changed files with 202 additions and 39 deletions
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lib/rfnoc/blocks/rfnoc_block_fft/rfnoc_block_fft.v
+14 -8
View File
@@ -226,6 +226,13 @@ module rfnoc_block_fft #(
localparam [31:0] SR_FFT_SCALING = 135;
localparam [31:0] SR_FFT_SHIFT_CONFIG = 136;
localparam RB_FFT_RESET = 0;
localparam RB_MAGNITUDE_OUT = 1;
localparam RB_FFT_SIZE_LOG2 = 2;
localparam RB_FFT_DIRECTION = 3;
localparam RB_FFT_SCALING = 4;
localparam RB_FFT_SHIFT_CONFIG = 5;
// FFT Output
localparam [1:0] COMPLEX_OUT = 0;
localparam [1:0] MAG_OUT = 1;
@@ -284,8 +291,7 @@ module rfnoc_block_fft #(
.set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
.o_tdata(fft_core_size_log2_tdata), .o_tlast(), .o_tvalid(fft_core_size_log2_tvalid), .o_tready(fft_core_size_log2_tready));
// Forward = 0, Reverse = 1
localparam DEFAULT_FFT_DIRECTION = 0;
localparam DEFAULT_FFT_DIRECTION = FFT_FORWARD;
wire fft_direction_tdata;
wire fft_direction_tvalid, fft_direction_tready;
axi_setting_reg #(
@@ -504,12 +510,12 @@ module rfnoc_block_fft #(
// Readback registers
always @*
case(rb_addr)
3'd0 : rb_data <= {63'd0, fft_reset};
3'd1 : rb_data <= {62'd0, magnitude_out};
3'd2 : rb_data <= {fft_size_log2_tdata};
3'd3 : rb_data <= {63'd0, fft_direction_tdata};
3'd4 : rb_data <= {52'd0, fft_scaling_tdata};
3'd5 : rb_data <= {62'd0, fft_shift_config_tdata};
RB_FFT_RESET : rb_data <= {63'd0, fft_reset};
RB_MAGNITUDE_OUT : rb_data <= {62'd0, magnitude_out};
RB_FFT_SIZE_LOG2 : rb_data <= {fft_size_log2_tdata};
RB_FFT_DIRECTION : rb_data <= {63'd0, fft_direction_tdata};
RB_FFT_SCALING : rb_data <= {52'd0, fft_scaling_tdata};
RB_FFT_SHIFT_CONFIG : rb_data <= {62'd0, fft_shift_config_tdata};
default : rb_data <= 64'h0BADC0DE0BADC0DE;
endcase