From 12401d8dbc7639009d90e3a5c8933cbedc2816dc Mon Sep 17 00:00:00 2001 From: Martin Holst Swende Date: Sat, 7 Jun 2014 21:39:52 +0200 Subject: [PATCH 1/1] Added 424KHz mode for iso 15693 simulation --- fpga/hi_simulate.v | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fpga/hi_simulate.v b/fpga/hi_simulate.v index efaf452f..c04ade80 100644 --- a/fpga/hi_simulate.v +++ b/fpga/hi_simulate.v @@ -89,7 +89,9 @@ always @(mod_type or ssp_clk or ssp_dout) else if(mod_type == 3'b001) modulating_carrier <= ssp_dout ^ ssp_clk_divider[3]; // XOR means BPSK else if(mod_type == 3'b010) - modulating_carrier <= ssp_dout & ssp_clk_divider[5]; // switch 212kHz subcarrier on/off + modulating_carrier <= ssp_dout & ssp_clk_divider[5]; // switch 212kHz subcarrier on/off + else if(mod_type == 3'b100) + modulating_carrier <= ssp_dout & ssp_clk_divider[4]; // switch 424kHz modulation on/off else modulating_carrier <= 1'b0; // yet unused @@ -105,5 +107,8 @@ assign pwr_oe4 = modulating_carrier; assign pwr_oe3 = 1'b0; assign dbg = after_hysteresis; +//reg dbg; +//always @(ssp_dout) +// dbg <= ssp_dout; endmodule -- 2.39.5