pluto_hdl_adi/library/axi_mc_controller/axi_mc_controller.v

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// ***************************************************************************
// ***************************************************************************
// Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved.
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//
// In this HDL repository, there are many different and unique modules, consisting
// of various HDL (Verilog or VHDL) components. The individual modules are
// developed independently, and may be accompanied by separate and unique license
// terms.
//
// The user should read each of these license terms, and understand the
// freedoms and responsabilities that he or she has by using this source/core.
//
// This core 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.
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//
// Redistribution and use of source or resulting binaries, with or without modification
// of this file, are permitted under one of the following two license terms:
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//
// 1. The GNU General Public License version 2 as published by the
// Free Software Foundation, which can be found in the top level directory
// of this repository (LICENSE_GPL2), and also online at:
// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
//
// OR
//
// 2. An ADI specific BSD license, which can be found in the top level directory
// of this repository (LICENSE_ADIBSD), and also on-line at:
// https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD
// This will allow to generate bit files and not release the source code,
// as long as it attaches to an ADI device.
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//
// ***************************************************************************
// ***************************************************************************
`timescale 1ns/100ps
module axi_mc_controller
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(
input ref_clk, // 100 MHz
input ctrl_data_clk,
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// physical interface
output fmc_en_o,
output pwm_ah_o,
output pwm_al_o,
output pwm_bh_o,
output pwm_bl_o,
output pwm_ch_o,
output pwm_cl_o,
output [3:0] gpo_o,
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// controller connections
input pwm_a_i,
input pwm_b_i,
input pwm_c_i,
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// interconnection with other modules
output[1:0] sensors_o,
input [2:0] position_i,
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// 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,
input [ 2:0] s_axi_awprot,
input [ 2:0] s_axi_arprot
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);
//------------------------------------------------------------------------------
//----------- Registers Declarations -------------------------------------------
//------------------------------------------------------------------------------
// internal registers
reg [31:0] up_rdata = 'd0;
reg up_wack = 'd0;
reg up_rack = 'd0;
reg pwm_gen_clk = 'd0;
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//------------------------------------------------------------------------------
//----------- Wires Declarations -----------------------------------------------
//------------------------------------------------------------------------------
// internal clocks & resets
wire adc_rst;
wire up_rstn;
wire up_clk;
// internal signals
wire up_rreq_s;
wire up_wreq_s;
wire [13:0] up_raddr_s;
wire [13:0] up_waddr_s;
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wire [31:0] up_wdata_s;
wire [31:0] up_control_rdata_s;
wire up_control_wack_s;
wire up_control_rack_s;
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wire run_s;
wire star_delta_s;
wire dir_s;
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wire [10:0] pwm_open_s;
wire [10:0] pwm_s;
wire dpwm_ah_s;
wire dpwm_al_s;
wire dpwm_bh_s;
wire dpwm_bl_s;
wire dpwm_ch_s;
wire dpwm_cl_s;
wire foc_ctrl_s;
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//------------------------------------------------------------------------------
//----------- Assign/Always Blocks ---------------------------------------------
//------------------------------------------------------------------------------
// signal name changes
assign up_clk = s_axi_aclk;
assign up_rstn = s_axi_aresetn;
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assign adc_clk_o = ctrl_data_clk;
assign ctrl_rst_o = !run_s;
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// monitor signals
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assign fmc_en_o = run_s;
assign pwm_s = pwm_open_s ;
assign pwm_ah_o = foc_ctrl_s ? !pwm_a_i : dpwm_ah_s;
assign pwm_al_o = foc_ctrl_s ? pwm_a_i : dpwm_al_s;
assign pwm_bh_o = foc_ctrl_s ? !pwm_b_i : dpwm_bh_s;
assign pwm_bl_o = foc_ctrl_s ? pwm_b_i : dpwm_bl_s;
assign pwm_ch_o = foc_ctrl_s ? !pwm_c_i : dpwm_ch_s;
assign pwm_cl_o = foc_ctrl_s ? pwm_c_i : dpwm_cl_s;
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// clock generation
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always @(posedge ref_clk)
begin
pwm_gen_clk <= ~pwm_gen_clk; // generate 50 MHz clk
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end
// processor read interface
always @(negedge up_rstn or posedge up_clk) begin
if(up_rstn == 0) begin
up_rdata <= 'd0;
up_wack <= 'd0;
up_rack <= 'd0;
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end else begin
up_rdata <= up_control_rdata_s ;
up_rack <= up_control_rack_s ;
up_wack <= up_control_wack_s ;
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end
end
// main (device interface)
motor_driver
#( .PWM_BITS(11))
motor_driver_inst(
.clk_i(ctrl_data_clk),
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.pwm_clk_i(pwm_gen_clk),
.rst_n_i(up_rstn) ,
.run_i(run_s),
.star_delta_i(star_delta_s),
.dir_i(dir_s),
.position_i(position_i),
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.pwm_duty_i(pwm_s),
.AH_o(dpwm_ah_s),
.BH_o(dpwm_bh_s),
.CH_o(dpwm_ch_s),
.AL_o(dpwm_al_s),
.BL_o(dpwm_bl_s),
.CL_o(dpwm_cl_s));
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control_registers control_reg_inst(
.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_control_wack_s),
.up_rreq (up_rreq_s),
.up_raddr (up_raddr_s),
.up_rdata (up_control_rdata_s),
.up_rack (up_control_rack_s),
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.run_o(run_s),
.break_o(),
.dir_o(dir_s),
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.star_delta_o(star_delta_s),
.sensors_o(sensors_o),
.kp_o(),
.ki_o(),
.kd_o(),
.kp1_o(),
.ki1_o(),
.kd1_o(),
.gpo_o(gpo_o),
.reference_speed_o(),
.oloop_matlab_o(foc_ctrl_s),
.err_i(32'h0),
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.calibrate_adcs_o(),
.pwm_open_o(pwm_open_s));
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// up bus interface
up_axi i_up_axi(
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.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));
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endmodule
// ***************************************************************************
// ***************************************************************************