pluto_hdl_adi/library/axi_mc_controller/axi_mc_controller.v

263 lines
8.2 KiB
Verilog

// ***************************************************************************
// ***************************************************************************
// Copyright 2014(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.
// ***************************************************************************
// ***************************************************************************
`timescale 1ns/100ps
module axi_mc_controller
(
input ref_clk, // 100 MHz
input ctrl_data_clk,
// 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,
// controller connections
input pwm_a_i,
input pwm_b_i,
input pwm_c_i,
// interconnection with other modules
output[1:0] sensors_o,
input [2:0] position_i,
// 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
);
//------------------------------------------------------------------------------
//----------- Registers Declarations -------------------------------------------
//------------------------------------------------------------------------------
// internal registers
reg [31:0] up_rdata = 'd0;
reg up_wack = 'd0;
reg up_rack = 'd0;
reg pwm_gen_clk = 'd0;
//------------------------------------------------------------------------------
//----------- 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;
wire [31:0] up_wdata_s;
wire [31:0] up_control_rdata_s;
wire up_control_wack_s;
wire up_control_rack_s;
wire run_s;
wire star_delta_s;
wire dir_s;
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;
//------------------------------------------------------------------------------
//----------- Assign/Always Blocks ---------------------------------------------
//------------------------------------------------------------------------------
// signal name changes
assign up_clk = s_axi_aclk;
assign up_rstn = s_axi_aresetn;
assign adc_clk_o = ctrl_data_clk;
assign ctrl_rst_o = !run_s;
// monitor signals
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;
// clock generation
always @(posedge ref_clk)
begin
pwm_gen_clk <= ~pwm_gen_clk; // generate 50 MHz clk
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;
end else begin
up_rdata <= up_control_rdata_s ;
up_rack <= up_control_rack_s ;
up_wack <= up_control_wack_s ;
end
end
// main (device interface)
motor_driver
#( .PWM_BITS(11))
motor_driver_inst(
.clk_i(ctrl_data_clk),
.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),
.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));
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),
.run_o(run_s),
.break_o(),
.dir_o(dir_s),
.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),
.calibrate_adcs_o(),
.pwm_open_o(pwm_open_s));
// 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
// ***************************************************************************
// ***************************************************************************