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author | Johnathan Corgan | 2010-02-28 12:47:43 -0800 |
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committer | Johnathan Corgan | 2010-02-28 12:47:43 -0800 |
commit | a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3 (patch) | |
tree | 77121ca27b951f9bd687dbba33f6a9383ac74d5a /usrp2/fpga/sdr_lib/acc.v | |
parent | db29a2cfc18554ae0a3c55a4e13dc4cbfa86317f (diff) | |
download | gnuradio-a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3.tar.gz gnuradio-a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3.tar.bz2 gnuradio-a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3.zip |
Remove usrp1 and usrp2 FPGA files. These are now hosted at:
git://ettus.sourcerepo.com/ettus/fpga.git
...under the 'usrp1' and 'usrp2' top-level directories.
Diffstat (limited to 'usrp2/fpga/sdr_lib/acc.v')
-rw-r--r-- | usrp2/fpga/sdr_lib/acc.v | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/usrp2/fpga/sdr_lib/acc.v b/usrp2/fpga/sdr_lib/acc.v deleted file mode 100644 index a2da9c86d..000000000 --- a/usrp2/fpga/sdr_lib/acc.v +++ /dev/null @@ -1,28 +0,0 @@ - -module acc - #(parameter IWIDTH=16, OWIDTH=30) - (input clk, - input clear, - input acc, - input [IWIDTH-1:0] in, - output reg [OWIDTH-1:0] out); - - wire [OWIDTH-1:0] in_signext; - sign_extend #(.bits_in(IWIDTH),.bits_out(OWIDTH)) - acc_signext (.in(in),.out(in_signext)); - - // CLEAR & ~ACC --> clears the accumulator - // CLEAR & ACC --> loads the accumulator - // ~CLEAR & ACC --> accumulates - // ~CLEAR & ~ACC --> hold - - wire [OWIDTH-1:0] addend1 = clear ? 0 : out; - wire [OWIDTH-1:0] addend2 = ~acc ? 0 : in_signext; - wire [OWIDTH-1:0] sum_int = addend1 + addend2; - - always @(posedge clk) - out <= sum_int; - -endmodule // acc - - |