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//
// Copyright 2022 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: LGPL-3.0-or-later
//
// Header File: i2c_master.vh
//
// Description: Additional parameter definitions used by modules that instance
// the i2c_master_top wb<->I2C core.
//===============================================================================
// WB Registers defined in i2c_master_top
//===============================================================================
localparam WB_PRER_LO = 3'b000;
localparam WB_PRER_HI = 3'b001;
localparam WB_CTR = 3'b010;
localparam WB_RXR = 3'b011;
localparam WB_TXR = 3'b011;
localparam WB_CR = 3'b100;
localparam WB_SR = 3'b100;
//===============================================================================
// Valid CR (Command Register) commands
//===============================================================================
localparam CR_START_AND_WRITE = 'h90;
localparam CR_WRITE = 'h10;
localparam CR_WRITE_AND_STOP = 'h50;
localparam CR_READ_AND_ACK = 'h20;
localparam CR_READ_AND_NACK = 'h28;
//===============================================================================
// WB Core Enable command
//===============================================================================
localparam WB_CORE_EN = 'h80;
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