types_p.vhd


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library IEEE;

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use IEEE.STD_LOGIC_1164.ALL;

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package types is

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  constant SPI_DATA_LENGTH  : integer := 120;  -- number of data bytes in spi data packet  EDIT: Wert aus SPI_NUMBER und SLAVE_NUMBER ausrechnen

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  constant DATA_LENGTH  : integer := 16;

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  constant SS_NUMBER     : integer := 3;

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  constant SPI_NUMBER    : integer := 1;

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  constant SLAVE_NUMBER  : integer := 1;      -- number of spi-slaves on a channel (first constant number on every channel)

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  constant FREQUENCY    : integer := 130000000;  -- System clock frequency 100 MHz

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  constant SAMPLE_RATE  : integer := 40000;  -- 10 kHZ Sample Rate

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  constant CONV_TIME    : integer := 1714;    -- Converiton time 1.714 us = 1714 ns

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  constant SAMPLE_DELAY  : integer := (1000000000/SAMPLE_RATE-CONV_TIME)/(1000000000/FREQUENCY);

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                      -------------- Berechnung des Parameters SAMPLE_DELAY ---------------------------------------------

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                      --

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                      --                   (Abtastperiode - Wandlungszeit)       (1/f_A - Wandlungszeit)

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                      -- SAMPLE_DELAY = ------------------------------------ = -------------------------------

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                      --                       Systemtakt-Periode                    1/Systemfrequenz

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                      --

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                      -- hier Zaehler und Nenner mit 1000,000,000 multipliziert, damit Wandlungszeit in ns angegeben

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                      -- werden kann

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  type uString is array (4 downto 0) of std_logic_vector(7 downto 0);

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  type DataBuff is array (SLAVE_NUMBER-1 downto 0) of std_logic_vector(DATA_LENGTH-1 downto 0);

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  type SsVectorArray is array (natural range<>) of std_logic_vector(SS_NUMBER-1 downto 0);

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  type DataVectorArray is array (natural range<>) of std_logic_vector(DATA_LENGTH-1 downto 0);

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  -- user defined string

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  type DataBuff_3d is array (natural range<>) of DataBuff;

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  type IntArray  is array (0 to SPI_NUMBER-1) of integer;

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  type Data is array (0 to SPI_DATA_LENGTH-1) of std_logic_vector(7 downto 0);

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  type SPI_CHAN_DATA  is array (0 to SLAVE_NUMBER-1) of std_logic_vector(DATA_LENGTH-1 downto 0);

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  type SPI_DATA  is array (0 to SPI_NUMBER-1) of SPI_CHAN_DATA;

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  type SPI_BUFF  is array (0 to SPI_DATA_LENGTH-1+8) of std_logic_vector(7 downto 0);

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  type SPIDATNEU is

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    record

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      CMD    : std_logic_vector(7 downto 0);

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      ID    : std_logic_vector(7 downto 0);

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      TYPE_h  : std_logic_vector(7 downto 0);

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      SUB_CMD  : std_logic_vector(7 downto 0);

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      LEN    : std_logic_vector(15 downto 0);

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      Daten  : Data;

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      EDC    : std_logic_vector(15 downto 0);

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    end record;

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end types;