axi_ad7175: Added the AD7175 IP
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1d26639d73
commit
da8454ae4c
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// -----------------------------------------------------------------------------
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//
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// Copyright 2012(c) Analog Devices, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// - Redistributions of source code must retain the above copyright
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||||
// notice, this list of conditions and the following disclaimer.
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// - Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the
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// distribution.
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// - Neither the name of Analog Devices, Inc. nor the names of its
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||||
// contributors may be used to endorse or promote products derived
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||||
// from this software without specific prior written permission.
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||||
// - The use of this software may or may not infringe the patent rights
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||||
// of one or more patent holders. This license does not release you
|
||||
// from the requirement that you obtain separate licenses from these
|
||||
// patent holders to use this software.
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||||
// - Use of the software either in source or binary form, must be run
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// on or directly connected to an Analog Devices Inc. component.
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//
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// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED
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||||
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY
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||||
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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||||
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
// INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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||||
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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||||
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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`timescale 1ns / 1ps
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//------------------------------------------------------------------------------
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//----------- Module Declaration -----------------------------------------------
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//------------------------------------------------------------------------------
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module ad7175_if
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(
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// Clock and Reset signals
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input fpga_clk_i,
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input adc_clk_i,
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input reset_n_i,
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// Conversion control signals
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input start_conversion_i,
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output [31:0] dma_data_o,
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output dma_data_rdy_o,
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// Transmit data on request signals
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input start_transmission_i,
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input [31:0] tx_data_i,
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output tx_data_rdy_o,
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// Read data on request signals
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input start_read_i,
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output [31:0] rx_data_o,
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output rx_data_rdy_o,
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// AD7175 IC control signals
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input adc_sdo_i,
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output adc_sdi_o,
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output adc_cs_o,
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output adc_sclk_o,
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// ADC status
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output reg adc_status_o
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);
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//------------------------------------------------------------------------------
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//----------- Registers Declarations -------------------------------------------
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//------------------------------------------------------------------------------
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// State Machine Registers
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reg [10:0] present_state; // Present FSM State
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reg [10:0] next_state; // Next FSM State
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reg [10:0] present_state_m1; // Used to synchronise FSM States between different clock domains
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// SCLK Registers
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reg [7:0] sclk_cnt; // Used to count SCLK Ticks
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reg [7:0] sclk_demand; // Used to set number of SCLK Ticks
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// Transmit Data Registers
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reg [47:0] tx_data_reg; // Used to shift data out
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reg [47:0] tx_data_reg_switch; // Used to select data that is being sent
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reg tx_data_rdy_int; // Used to signal the end of a transmit cycle
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// Receive Data Registers
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reg [47:0] rx_data_reg; // Used to shift data in
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reg [31:0] rx_read_data_reg; // Used to store read data
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reg rx_data_rdy_int; // Used to signal the end of a read cycle
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// Conversion Data Registers
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reg [31:0] dma_rx_data_reg; // Used to store conversion result (STATUS_REG[31:24] + DATA_REG[23:0])
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reg dma_rdy_int; // Used to signal the end of a conversion read
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// Internal registers used for external ports
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reg adc_sdi_o_int; // Used for adc_sdi_o
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reg cs_int; // Used for adc_cs_o
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//------------------------------------------------------------------------------
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//----------- Wires Declarations -----------------------------------------------
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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//----------- Local Parameters -------------------------------------------------
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//------------------------------------------------------------------------------
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// ADC Controller State Machine States
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parameter ADC_IDLE_STATE = 11'b00000000001; // Waits for Start Conversion / Start Transmission / Start Read
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parameter ADC_WAIT_FOR_DATA_STATE = 11'b00000000010; // Waits for adc_sdo_i to go low (signals new data is available)
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parameter ADC_PREP_READ_RESULT_STATE = 11'b00000000100; // Prepares data to perform Status + Data Register Read
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parameter ADC_READ_RESULT_STATE = 11'b00000001000; // Reads Status + Data Register
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parameter ADC_READ_RESULT_DONE_STATE = 11'b00000010000; // Signals completion of Status + Data Register Read
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parameter ADC_PREP_SEND_DATA_STATE = 11'b00000100000; // Prepares data to perform Data Transmit
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parameter ADC_SEND_DATA_STATE = 11'b00001000000; // Transmit Data
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parameter ADC_SEND_DATA_DONE_STATE = 11'b00010000000; // Signals completion of Data Transmission
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parameter ADC_PREP_READ_DATA_STATE = 11'b00100000000; // Prepares data to perform Data Read
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parameter ADC_READ_DATA_STATE = 11'b01000000000; // Reads Data
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parameter ADC_READ_DATA_DONE_STATE = 11'b10000000000; // Signals completion of Data Read
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// Number of SCLK Periods required for Status + Data Read
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parameter ADC_SCLK_PERIODS = 8'd48;
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//------------------------------------------------------------------------------
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//----------- Assign/Always Blocks ---------------------------------------------
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//------------------------------------------------------------------------------
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assign adc_sdi_o = adc_sdi_o_int;
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assign adc_sclk_o = (((present_state_m1 == ADC_READ_RESULT_STATE)||(present_state_m1 == ADC_SEND_DATA_STATE)||(present_state_m1 == ADC_READ_DATA_STATE))&&(sclk_cnt != 8'd0)) ? adc_clk_i : 1'b1;
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assign dma_data_o = dma_rx_data_reg;
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assign dma_data_rdy_o = dma_rdy_int;
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assign adc_cs_o = cs_int;
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assign tx_data_rdy_o = tx_data_rdy_int;
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assign rx_data_o = rx_read_data_reg;
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assign rx_data_rdy_o = rx_data_rdy_int;
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// Register States
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always @(posedge fpga_clk_i)
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begin
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if(reset_n_i == 1'b0)
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begin
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present_state <= ADC_IDLE_STATE;
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adc_status_o <= 1'b0;
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end
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else
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begin
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present_state <= next_state;
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adc_status_o <= 1'b1;
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end
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end
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// State switch logic
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always @(posedge fpga_clk_i)
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begin
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next_state <= present_state;
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case(present_state)
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ADC_IDLE_STATE:
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begin
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// If start conversion has been requested
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if(start_conversion_i == 1'b1)
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begin
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next_state <= ADC_WAIT_FOR_DATA_STATE;
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end
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// If transmit data is required
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else if(start_transmission_i == 1'b1)
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begin
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next_state <= ADC_PREP_SEND_DATA_STATE;
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end
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// If read data is required
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else if(start_read_i == 1'b1)
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begin
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next_state <= ADC_PREP_READ_DATA_STATE;
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end
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end
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ADC_WAIT_FOR_DATA_STATE:
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begin
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// If new data is available
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if(adc_sdo_i == 1'b0)
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begin
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next_state <= ADC_PREP_READ_RESULT_STATE;
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end
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end
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ADC_PREP_READ_RESULT_STATE:
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begin
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if(present_state_m1 == ADC_PREP_READ_RESULT_STATE)
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begin
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next_state <= ADC_READ_RESULT_STATE;
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end
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end
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ADC_READ_RESULT_STATE:
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begin
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// If data has been sent
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if(sclk_cnt == 8'd0)
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begin
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next_state <= ADC_READ_RESULT_DONE_STATE;
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end
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end
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ADC_READ_RESULT_DONE_STATE:
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begin
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next_state <= ADC_IDLE_STATE;
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end
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ADC_PREP_SEND_DATA_STATE:
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begin
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if(present_state_m1 == ADC_PREP_SEND_DATA_STATE)
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begin
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next_state <= ADC_SEND_DATA_STATE;
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end
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end
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ADC_SEND_DATA_STATE:
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begin
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// If data has been sent
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if(sclk_cnt == 8'd0)
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begin
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next_state <= ADC_SEND_DATA_DONE_STATE;
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end
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end
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ADC_SEND_DATA_DONE_STATE:
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begin
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next_state <= ADC_IDLE_STATE;
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end
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ADC_PREP_READ_DATA_STATE:
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begin
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if(present_state_m1 == ADC_PREP_READ_DATA_STATE)
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begin
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next_state <= ADC_READ_DATA_STATE;
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end
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end
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ADC_READ_DATA_STATE:
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begin
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// If data has been sent
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if(sclk_cnt == 8'd0)
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begin
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next_state <= ADC_READ_DATA_DONE_STATE;
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end
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end
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ADC_READ_DATA_DONE_STATE:
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begin
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next_state <= ADC_IDLE_STATE;
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end
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default:
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begin
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next_state <= ADC_IDLE_STATE;
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end
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endcase
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end
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// State output logic
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always @(posedge fpga_clk_i)
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begin
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if(reset_n_i == 1'b0)
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begin
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dma_rdy_int <= 1'b0;
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cs_int <= 1'b1;
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tx_data_rdy_int <= 1'b0;
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rx_data_rdy_int <= 1'b0;
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end
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else
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begin
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case(present_state)
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ADC_IDLE_STATE:
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begin
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dma_rdy_int <= 1'b0;
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tx_data_rdy_int <= 1'b1;
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rx_data_rdy_int <= 1'b1;
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cs_int <= 1'b1;
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end
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ADC_WAIT_FOR_DATA_STATE:
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begin
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cs_int <= 1'b0;
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end
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ADC_PREP_READ_RESULT_STATE:
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begin
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dma_rdy_int <= 1'b0;
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tx_data_reg_switch <= 48'h400044000000;
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cs_int <= 1'b0;
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end
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ADC_READ_RESULT_STATE:
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begin
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dma_rdy_int <= 1'b0;
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cs_int <= 1'b0;
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end
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ADC_READ_RESULT_DONE_STATE:
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begin
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// Final data = Status Reg + Data Reg
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dma_rx_data_reg <= {rx_data_reg[39:32], rx_data_reg[23:0]};
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dma_rdy_int <= 1'b1;
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cs_int <= 1'b1;
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end
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ADC_PREP_SEND_DATA_STATE:
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begin
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// Maximum 32 bits transmission (that is why I add 16'd0 to the LSB)
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tx_data_rdy_int <= 1'b1;
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cs_int <= 1'b1;
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tx_data_reg_switch <= {tx_data_i, 16'd0};
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end
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ADC_SEND_DATA_STATE:
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begin
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tx_data_rdy_int <= 1'b0;
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cs_int <= 1'b0;
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end
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ADC_SEND_DATA_DONE_STATE:
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begin
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tx_data_rdy_int <= 1'b1;
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cs_int <= 1'b1;
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end
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ADC_PREP_READ_DATA_STATE:
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begin
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// Maximum 32 bits transmission (that is why I add 16'd0 to the LSB)
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cs_int <= 1'b1;
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rx_data_rdy_int <= 1'b1;
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tx_data_reg_switch <= {tx_data_i, 16'd0};
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end
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ADC_READ_DATA_STATE:
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begin
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cs_int <= 1'b0;
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rx_data_rdy_int <= 1'b0;
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end
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ADC_READ_DATA_DONE_STATE:
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begin
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rx_read_data_reg <= rx_data_reg[31:0];
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cs_int <= 1'b1;
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rx_data_rdy_int <= 1'b1;
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end
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default:
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begin
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tx_data_rdy_int <= 1'b0;
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rx_data_rdy_int <= 1'b0;
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dma_rdy_int <= 1'b0;
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cs_int <= 1'b1;
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end
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endcase
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end
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end
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// Synchronise States between different clock domains
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always @(posedge adc_clk_i)
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begin
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present_state_m1 <= present_state;
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end
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// Select size of transfered data according to desired registers (see AD7176_2 Datasheet for details)
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always @(posedge fpga_clk_i)
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begin
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case(tx_data_i[29:24])
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6'h00:
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begin
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sclk_demand <= 8'd16;
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end
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6'h01, 6'h02, 6'h06, 6'h07, 6'h10, 6'h11, 6'h12, 6'h13, 6'h20, 6'h21, 6'h22, 6'h23, 6'h28, 6'h29, 6'h2a, 6'h2b:
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begin
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sclk_demand <= 8'd24;
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end
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6'h03, 6'h04, 6'h30, 6'h31, 6'h32, 6'h33, 6'h38, 6'h39, 6'h3a, 6'h3b:
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begin
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sclk_demand <= 8'd32;
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end
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default:
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begin
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sclk_demand <= 8'd16;
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end
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endcase
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end
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// Serial Data In
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always @(posedge adc_clk_i)
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begin
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if((present_state_m1 == ADC_READ_RESULT_STATE)||(present_state_m1 == ADC_SEND_DATA_STATE)||(present_state_m1 == ADC_READ_DATA_STATE))
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begin
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sclk_cnt <= sclk_cnt - 8'd1;
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rx_data_reg <= {rx_data_reg[46:0], adc_sdo_i};
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end
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else
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begin
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if((present_state_m1 == ADC_PREP_SEND_DATA_STATE)||(present_state_m1 == ADC_PREP_READ_DATA_STATE))
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begin
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sclk_cnt <= sclk_demand;
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end
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else
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begin
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sclk_cnt <= ADC_SCLK_PERIODS;
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end
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if(present_state_m1 == ADC_IDLE_STATE)
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begin
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rx_data_reg <= 48'd0;
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end
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end
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end
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// Serial Data Out
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always @(negedge adc_clk_i)
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begin
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if((present_state_m1 == ADC_READ_RESULT_STATE)||(present_state_m1 == ADC_SEND_DATA_STATE)||(present_state_m1 == ADC_READ_DATA_STATE))
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begin
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adc_sdi_o_int <= tx_data_reg[47];
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tx_data_reg <= {tx_data_reg[46:0], 1'b0};
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end
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else
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begin
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tx_data_reg <= tx_data_reg_switch;
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end
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end
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endmodule
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@ -0,0 +1,353 @@
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// ***************************************************************************
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// ***************************************************************************
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// Copyright 2011(c) Analog Devices, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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||||
// are permitted provided that the following conditions are met:
|
||||
// - Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimer.
|
||||
// - Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimer in
|
||||
// the documentation and/or other materials provided with the
|
||||
// distribution.
|
||||
// - Neither the name of Analog Devices, Inc. nor the names of its
|
||||
// contributors may be used to endorse or promote products derived
|
||||
// from this software without specific prior written permission.
|
||||
// - The use of this software may or may not infringe the patent rights
|
||||
// of one or more patent holders. This license does not release you
|
||||
// from the requirement that you obtain separate licenses from these
|
||||
// patent holders to use this software.
|
||||
// - Use of the software either in source or binary form, must be run
|
||||
// on or directly connected to an Analog Devices Inc. component.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||
// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
|
||||
// PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
//
|
||||
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
|
||||
// RIGHTS, 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.
|
||||
// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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`timescale 1ns/100ps
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module axi_ad7175 (
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// adc interface (clk, data, over-range)
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adc_sdo_i,
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adc_sdi_o,
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adc_cs_o,
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adc_sclk_o,
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adc_clk_i,
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// dma interface
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adc_clk,
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adc_valid_0,
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adc_enable_0,
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adc_data_0,
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||||
adc_valid_1,
|
||||
adc_enable_1,
|
||||
adc_data_1,
|
||||
adc_dovf,
|
||||
adc_dunf,
|
||||
|
||||
// axi interface
|
||||
|
||||
s_axi_aclk,
|
||||
s_axi_aresetn,
|
||||
s_axi_awvalid,
|
||||
s_axi_awaddr,
|
||||
s_axi_awready,
|
||||
s_axi_wvalid,
|
||||
s_axi_wdata,
|
||||
s_axi_wstrb,
|
||||
s_axi_wready,
|
||||
s_axi_bvalid,
|
||||
s_axi_bresp,
|
||||
s_axi_bready,
|
||||
s_axi_arvalid,
|
||||
s_axi_araddr,
|
||||
s_axi_arready,
|
||||
s_axi_rvalid,
|
||||
s_axi_rresp,
|
||||
s_axi_rdata,
|
||||
s_axi_rready);
|
||||
|
||||
// parameters
|
||||
|
||||
parameter PCORE_ID = 0;
|
||||
parameter PCORE_DEVICE_TYPE = 0;
|
||||
parameter PCORE_ADC_DP_DISABLE = 0;
|
||||
parameter PCORE_IODELAY_GROUP = "adc_if_delay_group";
|
||||
parameter C_S_AXI_MIN_SIZE = 32'hffff;
|
||||
|
||||
// adc interface (clk, data, over-range)
|
||||
|
||||
input adc_sdo_i;
|
||||
output adc_sdi_o;
|
||||
output adc_cs_o;
|
||||
output adc_sclk_o;
|
||||
input adc_clk_i;
|
||||
|
||||
// dma interface
|
||||
|
||||
output adc_clk;
|
||||
output adc_valid_0;
|
||||
output adc_enable_0;
|
||||
output [31:0] adc_data_0;
|
||||
output adc_valid_1;
|
||||
output adc_enable_1;
|
||||
output [31:0] adc_data_1;
|
||||
input adc_dovf;
|
||||
input adc_dunf;
|
||||
|
||||
|
||||
// axi interface
|
||||
|
||||
input s_axi_aclk;
|
||||
input s_axi_aresetn;
|
||||
input s_axi_awvalid;
|
||||
input [31:0] s_axi_awaddr;
|
||||
output s_axi_awready;
|
||||
input s_axi_wvalid;
|
||||
input [31:0] s_axi_wdata;
|
||||
input [ 3:0] s_axi_wstrb;
|
||||
output s_axi_wready;
|
||||
output s_axi_bvalid;
|
||||
output [ 1:0] s_axi_bresp;
|
||||
input s_axi_bready;
|
||||
input s_axi_arvalid;
|
||||
input [31:0] s_axi_araddr;
|
||||
output s_axi_arready;
|
||||
output s_axi_rvalid;
|
||||
output [ 1:0] s_axi_rresp;
|
||||
output [31:0] s_axi_rdata;
|
||||
input s_axi_rready;
|
||||
|
||||
// internal registers
|
||||
|
||||
reg [31:0] up_rdata = 'd0;
|
||||
reg up_rack = 'd0;
|
||||
reg up_wack = 'd0;
|
||||
|
||||
// internal clocks & resets
|
||||
|
||||
wire adc_rst;
|
||||
wire up_rstn;
|
||||
wire up_clk;
|
||||
wire [13:0] up_waddr_s;
|
||||
wire [13:0] up_raddr_s;
|
||||
|
||||
// internal signals
|
||||
|
||||
wire adc_status_s;
|
||||
wire up_sel_s;
|
||||
wire up_wr_s;
|
||||
wire [13:0] up_addr_s;
|
||||
wire [31:0] up_wdata_s;
|
||||
wire [31:0] up_rdata_s[0:2];
|
||||
wire up_rack_s[0:2];
|
||||
wire up_wack_s[0:2];
|
||||
|
||||
wire [31:0] adc_data_s;
|
||||
wire [ 1:0] adc_reg_rw_s;
|
||||
wire [31:0] adc_reg_address_s;
|
||||
wire [31:0] adc_reg_data_w_s;
|
||||
wire [31:0] adc_rx_data_s;
|
||||
wire adc_rx_data_rdy_s;
|
||||
wire adc_tx_data_rdy_s;
|
||||
|
||||
// signal name changes
|
||||
assign adc_clk = s_axi_aclk;
|
||||
assign up_clk = s_axi_aclk;
|
||||
assign up_rstn = s_axi_aresetn;
|
||||
|
||||
// processor read interface
|
||||
|
||||
always @(negedge up_rstn or posedge up_clk) begin
|
||||
if (up_rstn == 0) begin
|
||||
up_rdata <= 'd0;
|
||||
up_rack <= 'd0;
|
||||
up_wack <= 'd0;
|
||||
end else begin
|
||||
up_rdata <= up_rdata_s[0] | up_rdata_s[1] | up_rdata_s[2];
|
||||
up_rack <= up_rack_s[0] | up_rack_s[1] | up_rack_s[2];
|
||||
up_wack <= up_wack_s[0] | up_wack_s[1] | up_wack_s[2];
|
||||
end
|
||||
end
|
||||
|
||||
// channel
|
||||
|
||||
axi_ad7175_channel #(
|
||||
.CHID(0),
|
||||
.DP_DISABLE (PCORE_ADC_DP_DISABLE))
|
||||
i_channel_0 (
|
||||
.adc_clk (adc_clk),
|
||||
.adc_rst (adc_rst),
|
||||
.adc_data ({8'b0, adc_data_s[23:0]}),
|
||||
.adc_valid_in(data_rd_ready_s && (adc_data_s[25:24] == 2'b0)),
|
||||
.adc_data_out (adc_data_0),
|
||||
.adc_valid (adc_valid_0),
|
||||
.adc_enable (adc_enable_0),
|
||||
.up_rstn (up_rstn),
|
||||
.up_clk (up_clk),
|
||||
.up_wreq (up_wreq_s),
|
||||
.up_waddr (up_waddr_s),
|
||||
.up_wdata (up_wdata_s),
|
||||
.up_wack (up_wack_s[0]),
|
||||
.up_rreq (up_rreq_s),
|
||||
.up_raddr (up_raddr_s),
|
||||
.up_rdata (up_rdata_s[0]),
|
||||
.up_rack (up_rack_s[0]));
|
||||
|
||||
// channel
|
||||
|
||||
axi_ad7175_channel #(
|
||||
.CHID(1),
|
||||
.DP_DISABLE (PCORE_ADC_DP_DISABLE))
|
||||
i_channel_1 (
|
||||
.adc_clk (adc_clk),
|
||||
.adc_rst (adc_rst),
|
||||
.adc_data ({8'b0, adc_data_s[23:0]}),
|
||||
.adc_valid_in(data_rd_ready_s && (adc_data_s[25:24] == 2'b1)),
|
||||
.adc_data_out (adc_data_1),
|
||||
.adc_valid (adc_valid_1),
|
||||
.adc_enable (adc_enable_1),
|
||||
.up_rstn (up_rstn),
|
||||
.up_clk (up_clk),
|
||||
.up_wreq (up_wreq_s),
|
||||
.up_waddr (up_waddr_s),
|
||||
.up_wdata (up_wdata_s),
|
||||
.up_wack (up_wack_s[1]),
|
||||
.up_rreq (up_rreq_s),
|
||||
.up_raddr (up_raddr_s),
|
||||
.up_rdata (up_rdata_s[1]),
|
||||
.up_rack (up_rack_s[1]));
|
||||
|
||||
// main (device interface)
|
||||
|
||||
ad7175_if ad7175_if_i(
|
||||
.fpga_clk_i(s_axi_aclk),
|
||||
.adc_clk_i(adc_clk_i),
|
||||
.reset_n_i(~adc_rst),
|
||||
|
||||
.start_conversion_i(1'b1),
|
||||
.dma_data_o(adc_data_s),
|
||||
.dma_data_rdy_o(data_rd_ready_s),
|
||||
|
||||
.start_transmission_i(adc_reg_rw_s[1]),
|
||||
.tx_data_i({adc_reg_address_s[7:0], adc_reg_data_w_s[23:0]}),
|
||||
.tx_data_rdy_o(adc_tx_data_rdy_s),
|
||||
|
||||
.start_read_i(adc_reg_rw_s[0]),
|
||||
.rx_data_o(adc_rx_data_s),
|
||||
.rx_data_rdy_o(adc_rx_data_rdy_s),
|
||||
|
||||
.adc_sdo_i(adc_sdo_i),
|
||||
.adc_sdi_o(adc_sdi_o),
|
||||
.adc_cs_o(adc_cs_o),
|
||||
.adc_sclk_o(adc_sclk_o),
|
||||
.adc_status_o(adc_status_s));
|
||||
|
||||
// common processor control
|
||||
|
||||
up_adc_common #(.PCORE_ID(PCORE_ID)) i_up_adc_common (
|
||||
.mmcm_rst (),
|
||||
.adc_clk (adc_clk),
|
||||
.adc_rst (adc_rst),
|
||||
.adc_r1_mode (),
|
||||
.adc_ddr_edgesel (),
|
||||
.adc_pin_mode (),
|
||||
.adc_status (adc_status_s),
|
||||
.adc_status_ovf (adc_dovf),
|
||||
.adc_status_unf (adc_dunf),
|
||||
.adc_clk_ratio (32'd1),
|
||||
|
||||
.adc_reg_address(adc_reg_address_s),
|
||||
.adc_reg_data_r(adc_rx_data_s),
|
||||
.adc_reg_data_w(adc_reg_data_w_s),
|
||||
.adc_reg_rw(adc_reg_rw_s),
|
||||
.adc_reg_done(adc_tx_data_rdy_s | adc_rx_data_rdy_s),
|
||||
|
||||
.up_status_pn_err (1'b0),
|
||||
.up_status_pn_oos (1'b0),
|
||||
.up_status_or (1'b0),
|
||||
.delay_clk (),
|
||||
.delay_rst (),
|
||||
.delay_sel (),
|
||||
.delay_rwn (),
|
||||
.delay_addr (),
|
||||
.delay_wdata (),
|
||||
.delay_rdata (),
|
||||
.delay_ack_t (),
|
||||
.delay_locked (),
|
||||
.drp_clk (1'd0),
|
||||
.drp_rst (),
|
||||
.drp_sel (),
|
||||
.drp_wr (),
|
||||
.drp_addr (),
|
||||
.drp_wdata (),
|
||||
.drp_rdata (16'd0),
|
||||
.drp_ready (1'd0),
|
||||
.drp_locked (1'd1),
|
||||
.up_usr_chanmax (),
|
||||
.adc_usr_chanmax (8'd0),
|
||||
.up_adc_gpio_in (),
|
||||
.up_adc_gpio_out (),
|
||||
.up_rstn (up_rstn),
|
||||
.up_clk (up_clk),
|
||||
.up_wreq (up_wreq_s),
|
||||
.up_waddr (up_waddr_s),
|
||||
.up_wdata (up_wdata_s),
|
||||
.up_wack (up_wack_s[2]),
|
||||
.up_rreq (up_rreq_s),
|
||||
.up_raddr (up_raddr_s),
|
||||
.up_rdata (up_rdata_s[2]),
|
||||
.up_rack (up_rack_s[2]));
|
||||
|
||||
// up bus interface
|
||||
|
||||
up_axi i_up_axi (
|
||||
.up_rstn (up_rstn),
|
||||
.up_clk (up_clk),
|
||||
.up_axi_awvalid (s_axi_awvalid),
|
||||
.up_axi_awaddr (s_axi_awaddr),
|
||||
.up_axi_awready (s_axi_awready),
|
||||
.up_axi_wvalid (s_axi_wvalid),
|
||||
.up_axi_wdata (s_axi_wdata),
|
||||
.up_axi_wstrb (s_axi_wstrb),
|
||||
.up_axi_wready (s_axi_wready),
|
||||
.up_axi_bvalid (s_axi_bvalid),
|
||||
.up_axi_bresp (s_axi_bresp),
|
||||
.up_axi_bready (s_axi_bready),
|
||||
.up_axi_arvalid (s_axi_arvalid),
|
||||
.up_axi_araddr (s_axi_araddr),
|
||||
.up_axi_arready (s_axi_arready),
|
||||
.up_axi_rvalid (s_axi_rvalid),
|
||||
.up_axi_rresp (s_axi_rresp),
|
||||
.up_axi_rdata (s_axi_rdata),
|
||||
.up_axi_rready (s_axi_rready),
|
||||
.up_wreq (up_wreq_s),
|
||||
.up_waddr (up_waddr_s),
|
||||
.up_wdata (up_wdata_s),
|
||||
.up_wack (up_wack),
|
||||
.up_rreq (up_rreq_s),
|
||||
.up_raddr (up_raddr_s),
|
||||
.up_rdata (up_rdata),
|
||||
.up_rack (up_rack));
|
||||
|
||||
endmodule
|
||||
|
||||
// ***************************************************************************
|
||||
// ***************************************************************************
|
||||
|
|
@ -0,0 +1,174 @@
|
|||
// ***************************************************************************
|
||||
// ***************************************************************************
|
||||
// Copyright 2011(c) Analog Devices, Inc.
|
||||
//
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
// - Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimer.
|
||||
// - Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimer in
|
||||
// the documentation and/or other materials provided with the
|
||||
// distribution.
|
||||
// - Neither the name of Analog Devices, Inc. nor the names of its
|
||||
// contributors may be used to endorse or promote products derived
|
||||
// from this software without specific prior written permission.
|
||||
// - The use of this software may or may not infringe the patent rights
|
||||
// of one or more patent holders. This license does not release you
|
||||
// from the requirement that you obtain separate licenses from these
|
||||
// patent holders to use this software.
|
||||
// - Use of the software either in source or binary form, must be run
|
||||
// on or directly connected to an Analog Devices Inc. component.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||
// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
|
||||
// PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
//
|
||||
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
|
||||
// RIGHTS, 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.
|
||||
// ***************************************************************************
|
||||
// ***************************************************************************
|
||||
// ***************************************************************************
|
||||
// ***************************************************************************
|
||||
// ADC channel-
|
||||
|
||||
`timescale 1ns/100ps
|
||||
|
||||
module axi_ad7175_channel (
|
||||
|
||||
// adc interface
|
||||
adc_clk,
|
||||
adc_rst,
|
||||
adc_data,
|
||||
adc_valid_in,
|
||||
|
||||
// channel interface
|
||||
adc_data_out,
|
||||
adc_valid,
|
||||
adc_enable,
|
||||
|
||||
|
||||
// processor interface
|
||||
up_rstn,
|
||||
up_clk,
|
||||
up_wreq,
|
||||
up_waddr,
|
||||
up_wdata,
|
||||
up_wack,
|
||||
up_rreq,
|
||||
up_raddr,
|
||||
up_rdata,
|
||||
up_rack);
|
||||
|
||||
// parameters
|
||||
|
||||
parameter CHID = 0;
|
||||
parameter DP_DISABLE = 0;
|
||||
|
||||
// adc interface
|
||||
|
||||
input adc_clk;
|
||||
input adc_rst;
|
||||
input [31:0] adc_data;
|
||||
input adc_valid_in;
|
||||
// channel interface
|
||||
|
||||
output [31:0] adc_data_out;
|
||||
output adc_valid;
|
||||
output adc_enable;
|
||||
|
||||
// processor interface
|
||||
|
||||
input up_rstn;
|
||||
input up_clk;
|
||||
input up_wreq;
|
||||
input [13:0] up_waddr;
|
||||
input [31:0] up_wdata;
|
||||
output up_wack;
|
||||
input up_rreq;
|
||||
input [13:0] up_raddr;
|
||||
output [31:0] up_rdata;
|
||||
output up_rack;
|
||||
|
||||
// internal signals
|
||||
|
||||
wire adc_dfmt_se_s;
|
||||
wire adc_dfmt_type_s;
|
||||
wire adc_dfmt_enable_s;
|
||||
|
||||
generate
|
||||
if (DP_DISABLE == 1) begin
|
||||
assign adc_valid = adc_valid_in;
|
||||
assign adc_data_out = {8'b0, adc_data};
|
||||
end else begin
|
||||
ad_datafmt #(
|
||||
.DATA_WIDTH(32),
|
||||
.DATA_WIDTH_OUT(32))
|
||||
i_ad_datafmt (
|
||||
.clk (adc_clk),
|
||||
.valid (adc_valid_in),
|
||||
.data (adc_data),
|
||||
.valid_out (adc_valid),
|
||||
.data_out (adc_data_out),
|
||||
.dfmt_enable (adc_dfmt_enable_s),
|
||||
.dfmt_type (adc_dfmt_type_s),
|
||||
.dfmt_se (adc_dfmt_se_s));
|
||||
end
|
||||
endgenerate
|
||||
|
||||
up_adc_channel #(.PCORE_ADC_CHID(CHID)) i_up_adc_channel (
|
||||
.adc_clk (adc_clk),
|
||||
.adc_rst (adc_rst),
|
||||
.adc_enable (adc_enable),
|
||||
.adc_iqcor_enb (),
|
||||
.adc_dcfilt_enb (),
|
||||
.adc_dfmt_se (adc_dfmt_se_s),
|
||||
.adc_dfmt_type (adc_dfmt_type_s),
|
||||
.adc_dfmt_enable (adc_dfmt_enable_s),
|
||||
.adc_dcfilt_offset (),
|
||||
.adc_dcfilt_coeff (),
|
||||
.adc_iqcor_coeff_1 (),
|
||||
.adc_iqcor_coeff_2 (),
|
||||
.adc_pnseq_sel (),
|
||||
.adc_data_sel (),
|
||||
.adc_pn_err (),
|
||||
.adc_pn_oos (),
|
||||
.adc_or (),
|
||||
.up_adc_pn_err (),
|
||||
.up_adc_pn_oos (),
|
||||
.up_adc_or (),
|
||||
.up_usr_datatype_be (),
|
||||
.up_usr_datatype_signed (),
|
||||
.up_usr_datatype_shift (),
|
||||
.up_usr_datatype_total_bits (),
|
||||
.up_usr_datatype_bits (),
|
||||
.up_usr_decimation_m (),
|
||||
.up_usr_decimation_n (),
|
||||
.adc_usr_datatype_be (1'b0),
|
||||
.adc_usr_datatype_signed (1'b1),
|
||||
.adc_usr_datatype_shift (8'd0),
|
||||
.adc_usr_datatype_total_bits (8'd32),
|
||||
.adc_usr_datatype_bits (8'd32),
|
||||
.adc_usr_decimation_m (16'd1),
|
||||
.adc_usr_decimation_n (16'd1),
|
||||
.up_rstn (up_rstn),
|
||||
.up_clk (up_clk),
|
||||
.up_wreq (up_wreq),
|
||||
.up_waddr (up_waddr),
|
||||
.up_wdata (up_wdata),
|
||||
.up_wack (up_wack),
|
||||
.up_rreq (up_rreq),
|
||||
.up_raddr (up_raddr),
|
||||
.up_rdata (up_rdata),
|
||||
.up_rack (up_rack));
|
||||
|
||||
endmodule
|
||||
|
||||
// ***************************************************************************
|
||||
// ***************************************************************************
|
|
@ -0,0 +1,26 @@
|
|||
# ip
|
||||
|
||||
source ../scripts/adi_env.tcl
|
||||
source $ad_hdl_dir/library/scripts/adi_ip.tcl
|
||||
|
||||
adi_ip_create axi_ad7175
|
||||
adi_ip_files axi_ad7175 [list \
|
||||
"$ad_hdl_dir/library/common/ad_rst.v" \
|
||||
"$ad_hdl_dir/library/common/up_axi.v" \
|
||||
"$ad_hdl_dir/library/common/up_delay_cntrl.v" \
|
||||
"$ad_hdl_dir/library/common/up_drp_cntrl.v" \
|
||||
"$ad_hdl_dir/library/common/up_xfer_cntrl.v" \
|
||||
"$ad_hdl_dir/library/common/up_xfer_status.v" \
|
||||
"$ad_hdl_dir/library/common/up_clock_mon.v" \
|
||||
"$ad_hdl_dir/library/common/up_adc_common.v" \
|
||||
"$ad_hdl_dir/library/common/up_adc_channel.v" \
|
||||
"$ad_hdl_dir/library/common/ad_datafmt.v" \
|
||||
"ad7175_if.v" \
|
||||
"axi_ad7175.v" \
|
||||
"axi_ad7175_channel.v" ]
|
||||
|
||||
adi_ip_properties axi_ad7175
|
||||
|
||||
ipx::save_core [ipx::current_core]
|
||||
|
||||
|
Loading…
Reference in New Issue