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[/] [openrisc/] [trunk/] [orpsocv2/] [rtl/] [verilog/] [include/] [i2c_master_slave_defines.v] - Rev 408
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///////////////////////////////////////////////////////////////////// //// //// //// WISHBONE rev.B2 compliant I2C Master controller defines //// //// //// //// //// //// Author: Richard Herveille //// //// richard@asics.ws //// //// www.asics.ws //// //// //// //// Downloaded from: http://www.opencores.org/projects/i2c/ //// //// //// ///////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2001 Richard Herveille //// //// richard@asics.ws //// //// //// //// 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 SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY //// //// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED //// //// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS //// //// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR //// //// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, //// //// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES //// //// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE //// //// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR //// //// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF //// //// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT //// //// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT //// //// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE //// //// POSSIBILITY OF SUCH DAMAGE. //// //// //// ///////////////////////////////////////////////////////////////////// // CVS Log // // $Id: i2c_master_defines.v,v 1.3 2001-11-05 11:59:25 rherveille Exp $ // // $Date: 2001-11-05 11:59:25 $ // $Revision: 1.3 $ // $Author: rherveille $ // $Locker: $ // $State: Exp $ // // Change History: // $Log: not supported by cvs2svn $ // I2C registers wishbone addresses // bitcontroller states `define I2C_CMD_NOP 4'b0000 `define I2C_CMD_START 4'b0001 `define I2C_CMD_STOP 4'b0010 `define I2C_CMD_WRITE 4'b0100 `define I2C_CMD_READ 4'b1000 `define I2C_SLAVE_CMD_WRITE 2'b01 `define I2C_SLAVE_CMD_READ 2'b10 `define I2C_SLAVE_CMD_NOP 2'b00