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This commit is contained in:
iceman1001 2020-10-02 19:42:47 +02:00
parent 7eadc900c1
commit 8e5a285099
1 changed files with 2 additions and 5 deletions
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7
fpga/hi_iso14443a.v
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@ -540,16 +540,14 @@ begin
bit_to_arm = sendbit;
end
assign ssp_din = bit_to_arm;
// Subcarrier (adc_clk/16, for FPGA_HF_ISO14443A_TAGSIM_MOD only).
wire sub_carrier;
assign sub_carrier = ~sub_carrier_cnt[3];
// in FPGA_HF_ISO14443A_READER_MOD: drop carrier for mod_sig_coil==1 (pause); in FPGA_HF_ISO14443A_READER_LISTEN: carrier always on; in other modes: carrier always off
// in FPGA_HF_ISO14443A_READER_MOD: drop carrier for mod_sig_coil == 1 (pause);
// in FPGA_HF_ISO14443A_READER_LISTEN: carrier always on; in other modes: carrier always off
assign pwr_hi = (ck_1356meg & (((mod_type == `FPGA_HF_ISO14443A_READER_MOD) & ~mod_sig_coil) || (mod_type == `FPGA_HF_ISO14443A_READER_LISTEN)));
@ -566,7 +564,6 @@ assign pwr_oe4 = mod_sig_coil & sub_carrier & (mod_type == `FPGA_HF_ISO14443A_TA
assign pwr_oe2 = 1'b0;
assign pwr_lo = 1'b0;
assign dbg = negedge_cnt[3];
endmodule