Subversion Repositories manchesterwireless

library ieee;

use ieee.std_logic_1164.all;

package globals is

  -- number of data bits

  constant WORD_LENGTH : integer := 4;

  -- when each transmitter bit is 3.24 ms and the FPGA clock is 50 MHz

  constant MAX_COUNT: integer := 2**18-1;

  -- double is nominally 43000-50000

  constant INTERVAL_MAX_DOUBLE: integer := 120000;

  constant INTERVAL_MIN_DOUBLE: integer := 90000;--80000

  -- single is nominally 23200

  constant INTERVAL_MAX_SINGLE: integer := 65000;

  constant INTERVAL_MIN_SINGLE: integer := 10000;

  constant INTERVAL_QUADRUPLE: integer  := 650000;--350000

end globals;