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Add capability to correlate against subcarriers of 212kHz (argument FPGA_HF_READER_RX_XCORR_QUARTER_FREQ | FPGA_HF_READER_RX_XCORR_848_KHZ) and 106kHz (argument FPGA_HF_READER_RX_XCORR_QUARTER_FREQ)

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henryk@ploetzli.ch 2009-12-09 02:31:01 +00:00
parent 78d647da02
commit 8d40aba58b
4 changed files with 36 additions and 11 deletions
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6
fpga/fpga.v
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@ -103,6 +103,10 @@ assign hi_read_rx_xcorr_848 = conf_word[0];
wire hi_read_rx_xcorr_snoop;
assign hi_read_rx_xcorr_snoop = conf_word[1];
// Divide the expected subcarrier frequency for hi_read_rx_xcorr by 4
wire hi_read_rx_xcorr_quarter;
assign hi_read_rx_xcorr_quarter = conf_word[2];
// For the high-frequency simulated tag: what kind of modulation to use.
wire [2:0] hi_simulate_mod_type;
assign hi_simulate_mod_type = conf_word[2:0];
@ -158,7 +162,7 @@ hi_read_rx_xcorr hrxc(
hrxc_ssp_frame, hrxc_ssp_din, ssp_dout, hrxc_ssp_clk,
cross_hi, cross_lo,
hrxc_dbg,
hi_read_rx_xcorr_848, hi_read_rx_xcorr_snoop
hi_read_rx_xcorr_848, hi_read_rx_xcorr_snoop, hi_read_rx_xcorr_quarter
);
hi_simulate hs(