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--!

--! PDP-8 Processor

--!

--! \brief

--!      RK8E Secure Digital SPI Interface Types

--!

--! \details

--!      This package contains all the type information that is

--!      required to use the SPI layer of the Secure Digital

--!      Disk Interface protocol.

--!

--! \file

--!      sdspi_types.vhd

--!

--! \author

--!      Rob Doyle - doyle (at) cox (dot) net

--!

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--

--  Copyright (C) 2012 Rob Doyle

--

-- This source file may be used and distributed without

-- restriction provided that this copyright statement is not

-- removed from the file and that any derivative work contains

-- the original copyright notice and the associated disclaimer.

--

-- This source file is free software; you can redistribute it

-- and/or modify it under the terms of the GNU Lesser General

-- Public License as published by the Free Software Foundation;

-- version 2.1 of the License.

--

-- This source is distributed in the hope that it will be

-- useful, but WITHOUT ANY WARRANTY; without even the implied

-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR

-- PURPOSE. See the GNU Lesser General Public License for more

-- details.

--

-- You should have received a copy of the GNU Lesser General

-- Public License along with this source; if not, download it

-- from http://www.gnu.org/licenses/lgpl.txt

--

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--

-- Comments are formatted for doxygen

--

library ieee;                                           --! IEEE Library

use ieee.std_logic_1164.all;                            --! IEEE 1164

--

--! RK8E Secure Digital Interface SPI Interface Type Package

--

package sdspi_types is

    --!

    --! Types

    --!

    type     spiOP_t    is (spiNOP,                     --! NOP

                            spiCSL,                     --! Set CS Low

                            spiCSH,                     --! Set CS High

                            spiFAST,                    --! Go Fast

                            spiSLOW,                    --! Go Slow

                            spiTR);                     --! Transmit/Receive Byte

end sdspi_types;