openofdm/verilog/common_params.v

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2017-04-03 16:52:03 +00:00
//////////////////////////////////////////////////////////////////////////
// JAM FILTER STATUS
//////////////////////////////////////////////////////////////////////////
localparam FILTER_NO_MATCH = 0;
localparam FILTER_MATCH_PASS = 1;
localparam FILTER_MATCH_JAM = 2;
localparam FILTER_MATCH_JAM_ACK = 3;
localparam FILTER_RATIO_PASS = 4;
localparam FILTER_RATIO_JAM = 5;
//////////////////////////////////////////////////////////////////////////
// PI DEFINITION
//////////////////////////////////////////////////////////////////////////
// localparam PI = 3217; // = PI*(1<<`ATAN_LUT_SCALE_SHIFT)
// localparam PI = 3217*2; // = PI*(1<<`ATAN_LUT_SCALE_SHIFT)
localparam PI = 1608; // = PI*(1<<`ATAN_LUT_SCALE_SHIFT)
localparam DOUBLE_PI = PI<<1;
localparam PI_2 = PI>>1;
localparam PI_4 = PI>>2;
localparam PI_3_4 = PI_2 + PI_4;
//////////////////////////////////////////////////////////////////////////
// USER REG DEFINITION
//////////////////////////////////////////////////////////////////////////
localparam SR_JAMMER_ENABLE = 1;
localparam SR_JAMMER_RESET = 2;
// power trigger
localparam SR_POWER_THRES = 3;
localparam SR_POWER_WINDOW = 4;
localparam SR_SKIP_SAMPLE = 5;
// sync short
localparam SR_MIN_PLATEAU = 6;
// filter
localparam SR_RATE_FILTER = 7;
localparam SR_LEN_FILTER = 8;
localparam SR_HEADER_FILTER = 9;
localparam SR_HEADER_LEN = 10;
localparam SR_JAM_POLICY = 11;
localparam SR_JAM_SIGNAL = 12;
//////////////////////////////////////////////////////////////////////////
// DOT11 STATE MACHINE
//////////////////////////////////////////////////////////////////////////
localparam S_WAIT_POWER_TRIGGER = 0;
localparam S_SYNC_SHORT = 1;
localparam S_SYNC_LONG = 2;
localparam S_DECODE_SIGNAL = 3;
localparam S_CHECK_SIGNAL = 4;
localparam S_DETECT_HT = 5;
localparam S_HT_SIGNAL = 6;
localparam S_CHECK_HT_SIG_CRC = 7;
localparam S_CHECK_HT_SIG = 8;
localparam S_HT_STS = 9;
localparam S_HT_LTS = 10;
localparam S_DECODE_DATA = 11;
localparam S_SIGNAL_ERROR = 12;
localparam S_HT_SIG_ERROR = 13;
localparam S_DECODE_DONE = 14;
//////////////////////////////////////////////////////////////////////////
// DOT11 STATUS CODE
//////////////////////////////////////////////////////////////////////////
// same value may have different meaning depend on the state
localparam E_OK = 0;
// errors in SIGNAL
localparam E_PARITY_FAIL = 1;
localparam E_UNSUPPORTED_RATE = 2;
localparam E_WRONG_RSVD = 3;
localparam E_WRONG_TAIL = 4;
// erros in HT-SIGNAL
localparam E_UNSUPPORTED_MCS = 1;
localparam E_UNSUPPORTED_CBW = 2;
localparam E_HT_WRONG_RSVD = 3;
localparam E_UNSUPPORTED_STBC = 4;
localparam E_UNSUPPORTED_FEC = 5;
localparam E_UNSUPPORTED_SGI = 6;
localparam E_UNSUPPORTED_SPATIAL = 7;
localparam E_HT_WRONG_TAIL = 8;
localparam E_WRONG_CRC = 9;
// fcs error
localparam E_WRONG_FCS = 1;
localparam EXPECTED_FCS = 32'hc704dd7b;