mirror of
https://github.com/jhshi/openofdm.git
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95 lines
3.3 KiB
Verilog
95 lines
3.3 KiB
Verilog
//////////////////////////////////////////////////////////////////////////
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// JAM FILTER STATUS
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//////////////////////////////////////////////////////////////////////////
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localparam FILTER_NO_MATCH = 0;
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localparam FILTER_MATCH_PASS = 1;
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localparam FILTER_MATCH_JAM = 2;
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localparam FILTER_MATCH_JAM_ACK = 3;
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localparam FILTER_RATIO_PASS = 4;
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localparam FILTER_RATIO_JAM = 5;
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//////////////////////////////////////////////////////////////////////////
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// PI DEFINITION
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//////////////////////////////////////////////////////////////////////////
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// localparam PI = 3217; // = PI*(1<<`ATAN_LUT_SCALE_SHIFT)
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// localparam PI = 3217*2; // = PI*(1<<`ATAN_LUT_SCALE_SHIFT)
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localparam PI = 1608; // = PI*(1<<`ATAN_LUT_SCALE_SHIFT)
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localparam DOUBLE_PI = PI<<1;
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localparam PI_2 = PI>>1;
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localparam PI_4 = PI>>2;
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localparam PI_3_4 = PI_2 + PI_4;
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//////////////////////////////////////////////////////////////////////////
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// USER REG DEFINITION
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//////////////////////////////////////////////////////////////////////////
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localparam SR_JAMMER_ENABLE = 1;
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localparam SR_JAMMER_RESET = 2;
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// power trigger
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localparam SR_POWER_THRES = 3;
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localparam SR_POWER_WINDOW = 4;
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localparam SR_SKIP_SAMPLE = 5;
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// sync short
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localparam SR_MIN_PLATEAU = 6;
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// filter
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localparam SR_RATE_FILTER = 7;
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localparam SR_LEN_FILTER = 8;
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localparam SR_HEADER_FILTER = 9;
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localparam SR_HEADER_LEN = 10;
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localparam SR_JAM_POLICY = 11;
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localparam SR_JAM_SIGNAL = 12;
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//////////////////////////////////////////////////////////////////////////
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// DOT11 STATE MACHINE
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//////////////////////////////////////////////////////////////////////////
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localparam S_WAIT_POWER_TRIGGER = 0;
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localparam S_SYNC_SHORT = 1;
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localparam S_SYNC_LONG = 2;
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localparam S_DECODE_SIGNAL = 3;
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localparam S_CHECK_SIGNAL = 4;
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localparam S_DETECT_HT = 5;
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localparam S_HT_SIGNAL = 6;
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localparam S_CHECK_HT_SIG_CRC = 7;
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localparam S_CHECK_HT_SIG = 8;
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localparam S_HT_STS = 9;
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localparam S_HT_LTS = 10;
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localparam S_DECODE_DATA = 11;
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localparam S_SIGNAL_ERROR = 12;
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localparam S_HT_SIG_ERROR = 13;
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localparam S_DECODE_DONE = 14;
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//////////////////////////////////////////////////////////////////////////
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// DOT11 STATUS CODE
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//////////////////////////////////////////////////////////////////////////
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// same value may have different meaning depend on the state
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localparam E_OK = 0;
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// errors in SIGNAL
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localparam E_PARITY_FAIL = 1;
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localparam E_UNSUPPORTED_RATE = 2;
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localparam E_WRONG_RSVD = 3;
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localparam E_WRONG_TAIL = 4;
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// erros in HT-SIGNAL
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localparam E_UNSUPPORTED_MCS = 1;
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localparam E_UNSUPPORTED_CBW = 2;
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localparam E_HT_WRONG_RSVD = 3;
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localparam E_UNSUPPORTED_STBC = 4;
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localparam E_UNSUPPORTED_FEC = 5;
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localparam E_UNSUPPORTED_SGI = 6;
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localparam E_UNSUPPORTED_SPATIAL = 7;
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localparam E_HT_WRONG_TAIL = 8;
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localparam E_WRONG_CRC = 9;
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// fcs error
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localparam E_WRONG_FCS = 1;
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localparam EXPECTED_FCS = 32'hc704dd7b;
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