Google Git
Sign in
foss-eda-tools / third_party / shuttle / sky130 / mpw-008 / slot-005 / 8b51f2d509526635a358df4e8da0708f07100a17 / . / verilog / dv / user_pwm / user_pwm_tb.v
blob: 3c425ce161bb3a67a5afd7f24fdef085b82fe543 [file] [log] [blame]
////////////////////////////////////////////////////////////////////////////
// SPDX-FileCopyrightText: 2021 , Dinesh Annayya
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
// SPDX-FileContributor: Modified by Dinesh Annayya <dinesha@opencores.org>
//////////////////////////////////////////////////////////////////////
//// ////
//// Standalone User validation Test bench ////
//// ////
//// This file is part of the YIFive cores project ////
//// https://github.com/dineshannayya/yifive_r0.git ////
//// ////
//// Description ////
//// This is a standalone test bench to validate the ////
//// pwm interfaface through External WB i/F. ////
//// ////
//// To Do: ////
//// nothing ////
//// ////
//// Author(s): ////
//// - Dinesh Annayya, dinesha@opencores.org ////
//// ////
//// Revision : ////
//// 0.1 - 01 Oct 2021, Dinesh A ////
//// ////
//////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2000 Authors and OPENCORES.ORG ////
//// ////
//// 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 source file is free software; you can redistribute it ////
//// and/or modify it under the terms of the GNU Lesser General ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any ////
//// later version. ////
//// ////
//// This source 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. See the GNU Lesser General Public License for more ////
//// details. ////
//// ////
//// You should have received a copy of the GNU Lesser General ////
//// Public License along with this source; if not, download it ////
//// from http://www.opencores.org/lgpl.shtml ////
//// ////
//////////////////////////////////////////////////////////////////////
`default_nettype wire
`timescale 1 ns / 1 ps
`define TB_GLBL user_pwm_tb
`include "sram_macros/sky130_sram_2kbyte_1rw1r_32x512_8.v"
module user_pwm_tb;
parameter real CLK1_PERIOD = 20; // 50Mhz
parameter real CLK2_PERIOD = 2.5;
parameter real IPLL_PERIOD = 5.008;
parameter real XTAL_PERIOD = 6;
`include "user_tasks.sv"
reg [31:0] pwm0_period;
reg [31:0] pwm1_period;
reg [31:0] pwm2_period;
reg [31:0] pwm3_period;
reg [31:0] pwm4_period;
reg [31:0] pwm5_period;
reg [15:0] check_sum;
integer test_step,i;
wire clock_mon;
`ifdef WFDUMP
initial begin
$dumpfile("simx.vcd");
$dumpvars(1, `TB_GLBL);
$dumpvars(1, `TB_GLBL.pwm_monitor);
$dumpvars(1, `TB_GLBL.check_clock_period);
$dumpvars(1, `TB_GLBL.u_top.u_wb_host);
$dumpvars(0, `TB_GLBL.u_top.u_pinmux);
$dumpvars(1, `TB_GLBL.u_top.u_intercon);
end
`endif
initial begin
$dumpon;
init();
#200; // Wait for reset removal
repeat (10) @(posedge clock);
$display("Monitor: Standalone User Risc Boot Test Started");
// Remove Wb Reset
//wb_user_core_write(`ADDR_SPACE_WBHOST+`WBHOST_GLBL_CFG,'h1);
// Enable PWM Multi Functional Ports
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_MUTI_FUNC,'h03F);
repeat (2) @(posedge clock);
#1;
test_fail = 0;
check_sum = 0;
repeat (200) @(posedge clock);
wb_user_core_write(`ADDR_SPACE_WBHOST+`WBHOST_BANK_SEL,'h1000); // Change the Bank Sel 1000
$display("########################################");
$display("Step-1, PWM Square Waveform");
test_step = 1;
pwm0_period = 20*256;
pwm1_period = 20*2*256;
pwm2_period = 20*4*256;
pwm3_period = 20*256; // pwm3 is connected to pwm0
pwm4_period = 20*2*256; // pwm4 is connected to pwm1
pwm5_period = 20*4*256; // pwm5 is conneted to pwm2
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_8000); // No Scale
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_8001); // Scale 2^1 = 2
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_8002); // Scale 2^2 = 4
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h0000_007F); // COMP0 = 0xFF
// PWm3 to 5 Removed
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK3_CFG0,'h0000_8003); // Scale 2^3 = 8
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK3_CFG1,'h0000_00FF); // Period 0xFFFF
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK3_CFG2,'h0000_007F); // COMP0 = 0xFF
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK4_CFG0,'h0000_8004); // Scale 2^4 = 16
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK4_CFG1,'h0000_00FF); // Period 0xFFFF
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK4_CFG2,'h0000_007F); // COMP0 = 0xFF
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK5_CFG0,'h0000_8005); // Scale 2^5 = 32
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK5_CFG1,'h0000_00FF); // Period 0xFFFF
//wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK5_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM + RUN
pwm_monitor(pwm0_period,pwm1_period,pwm2_period,pwm3_period,pwm4_period,pwm5_period);
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-1, PWM Square Waveform - FAILED");
end else begin
$display("STATUS: Step-1, PWM Square Waveform - PASSED");
end
$display("########################################");
$display("Step-2, PWM One Shot");
test_step = 2;
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_8010); // No Scale
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_8011); // Scale 2^1 = 2
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_8012); // Scale 2^2 = 4
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM + Run
read_data[15:8] = 8'h7;
fork
begin
while(read_data[15:8] != 8'h00) begin // Wait for De-assertion on Run
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-2, PWM One Shot - FAILED");
end else begin
$display("STATUS: Step-2, PWM One Shot - PASSED");
end
$display("########################################");
$display("Step-3, PWM One Shot + Hold last data ");
test_step = 3;
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_8810); // No Scale
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_8811); // Scale 2^1 = 2
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_8812); // Scale 2^2 = 4
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFFFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h0000_007F); // COMP0 = 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM + Run
read_data[15:8] = 8'h7;
fork
begin
while(read_data[15:8] != 8'h00) begin // Wait for De-assertion on Run
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-3, PWM One Shot + Hold last data - FAILED");
end else begin
$display("STATUS: Step-3, PWM One Shot + Hold last data - PASSED");
end
$display("########################################");
$display("Step-4, PWM One Shot + mode:1 ");
test_step = 4;
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_9010); // No Scale + One Shot + Mode:1
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h0000_0000); // COMP2 = 0x00, COMP3= 0x00
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_9011); // Scale 2^1 = 2 + One Shot + Mode:1
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h0000_0000); // COMP2 = 0x00, COMP3= 0x00
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_9012); // Scale 2^2 = 4 + One Shot + Mode:1
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h0000_0000); // COMP2 = 0x00, COMP3= 0x00
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM + Run
read_data[15:8] = 8'h7;
fork
begin
while(read_data[15:8] != 8'h00) begin // Wait for De-assertion on Run
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-4, PWM One Shot + mode:1 - FAILED");
end else begin
$display("STATUS: Step-4, PWM One Shot + mode:1 - PASSED");
end
$display("########################################");
$display("Step-5, PWM One Shot + mode:2 ");
test_step = 5;
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_A010); // No Scale + One Shot + Mode:2
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h0000_00AF); // COMP2 = 0xAF, COMP3= 0x00
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_A011); // Scale 2^1 = 2 + One Shot + Mode:2
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h0000_00AF); // COMP2 = 0xAF, COMP3= 0x00
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_A012); // Scale 2^2 = 4 + One Shot + Mode:2
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h0000_00AF); // COMP2 = 0xAF, COMP3= 0x00
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM + Run
read_data[15:8] = 8'h7;
fork
begin
while(read_data[15:8] != 8'h00) begin // Wait for De-assertion on Run
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-5, PWM One Shot + mode:2 - FAILED");
end else begin
$display("STATUS: Step-5, PWM One Shot + mode:2 - PASSED");
end
$display("########################################");
$display("Step-6, PWM One Shot + mode:3 ");
test_step = 6;
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_B010); // No Scale + One Shot + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_B011); // Scale 2^1 = 2 + One Shot + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_B012); // Scale 2^2 = 4 + One Shot + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM+Run
read_data[15:8] = 8'h7;
fork
begin
while(read_data[15:8] != 8'h00) begin // Wait for De-assertion on Run
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-6, PWM One Shot + mode:3 - FAILED");
end else begin
$display("STATUS: Step-6, PWM One Shot + mode:3 - PASSED");
end
$display("########################################");
$display("Step-7, PWM Free Running + mode:3 ");
test_step = 7;
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_B000); // No Scale + Free Run + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_B001); // Scale 2^1 = 2 + Free Run + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_B002); // Scale 2^2 = 4 + Free Run + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM+Run
read_data = 8'h0;
fork
begin
while(read_data != 8'h07) begin // Wait for Overflow Interrupt
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-7, PWM Free Run + mode:3 - FAILED");
end else begin
$display("STATUS: Step-7, PWM Free Run + mode:3 - PASSED");
end
$display("########################################");
$display("Step-8, PWM Gpio: 0x3 Pos Edge , One Shot + mode:3 ");
test_step = 8;
// Pin-26 17 PC3/usb_dn/ADC3 digital_io[25]/analog_io[14]
force u_top.io_in[25] = 1'b0; // force PC3 to 0
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_B350); // No Scale + One Shot + GPIO: 0x3, Posedge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_B351); // Scale 2^1 = 2 + One Shot + GPIO: 0x3, Posedge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_B352); // Scale 2^2 = 4 + One Shot + GPIO: 0x3, Posedge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Interrupt Enable
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0007); // PWM Enable + No Run (Expect GPIO generate Run)
// Generate 4 GPIO Edge Sequence
for(i=0; i < 4; i=i+1) begin
read_data = 8'h0;
// Generate Pos Egde
force u_top.io_in[25] = 1'b1; // force PC3 to 1
repeat (10) @(posedge clock);
force u_top.io_in[25] = 1'b0; // force PC3 to 0
fork
begin
while(read_data != 8'h07) begin // Wait for Overflow Interrupt
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
if(i < 3) begin
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data);
end
end
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-8, PWM Gpio: 0x3 Pos Edge , One Shot + mode:3 - FAILED");
end else begin
$display("STATUS: Step-8, PWM Gpio: 0x3 Pos Edge , One Shot + mode:3 - PASSED");
end
$display("########################################");
$display("Step-9, PWM Gpio: 0x3 Neg Edge , One Shot + mode:3 ");
test_step = 9;
// Pin-26 17 PC3/usb_dn/ADC3 digital_io[25]/analog_io[14]
force u_top.io_in[25] = 1'b1; // force PC3 to 1
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_B3D0); // No Scale + One Shot + GPIO: 0x3, Neg Edge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_B3D1); // Scale 2^1 = 2 + One Shot + GPIO: 0x3, Neg Edge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_B3D2); // Scale 2^2 = 4 + One Shot + GPIO: 0x3, Neg Edge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Interrupt Enable
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0007); // PWM Enable + No Run (Expect GPIO generate Run)
repeat (100) @(posedge clock); // Wait for PWM enable command propagaton
// Generate 4 GPIO Edge Sequence
for(i=0; i < 4; i=i+1) begin
read_data = 8'h0;
// Generate Neg Egde
force u_top.io_in[25] = 1'b0; // force PC3 to 0
repeat (10) @(posedge clock);
force u_top.io_in[25] = 1'b1; // force PC3 to 1
fork
begin
while(read_data != 8'h07) begin // Wait for Overflow Interrupt
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
if(i < 3) begin
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data);
end
end
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-9, PWM Gpio: 0x3 Neg Edge , One Shot + mode:3 - FAILED");
end else begin
$display("STATUS: Step-9, PWM Gpio: 0x3 Neg Edge , One Shot + mode:3 - PASSED");
end
$display("########################################");
$display("Step-10, PWM Gpio: 0x3 Neg Edge , One Shot + mode:3 + Waveform Invert ");
test_step = 10;
// Pin-26 17 PC3/usb_dn/ADC3 digital_io[25]/analog_io[14]
force u_top.io_in[25] = 1'b1; // force PC3 to 1
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h0000_F3D0); // No Scale + One Shot + Clk Inv + GPIO: 0x3, Neg Edge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h0000_F3D1); // Scale 2^1 = 2 + One Shot + Clk Inv + GPIO: 0x3, Neg Edge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h0000_F3D2); // Scale 2^2 = 4 + One Shot + Clk Inv + GPIO: 0x3, Neg Edge + Mode:3
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_00FF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Interrupt Enable
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0007); // PWM Enable + No Run (Expect GPIO generate Run)
repeat (100) @(posedge clock); // Wait for PWM enable command propagaton
// Generate 4 GPIO Edge Sequence
for(i=0; i < 4; i=i+1) begin
read_data = 8'h0;
// Generate Neg Egde
force u_top.io_in[25] = 1'b0; // force PC3 to 0
repeat (10) @(posedge clock);
force u_top.io_in[25] = 1'b1; // force PC3 to 1
fork
begin
while(read_data != 8'h07) begin // Wait for Overflow Interrupt
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
if(i < 3) begin
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data);
end
end
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-9, PWM Gpio: 0x3 Neg Edge , One Shot + mode:3 - FAILED");
end else begin
$display("STATUS: Step-9, PWM Gpio: 0x3 Neg Edge , One Shot + mode:3 - PASSED");
end
$display("########################################");
$display("Step-10, PWM One Shot + mode:3 + Comparator Center ");
test_step = 10;
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0007_0000); // Disable Cfg Update
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG0,'h000F_B010); // No Scale + One Shot + Mode:3 + Comparator Center
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG1,'h0000_FFFF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK0_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG0,'h000F_B010); // No Scale + One Shot + Mode:3 + Comparator Center
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG1,'h0000_FFFF); // Period 0xFF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG2,'h008F_006F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK1_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG0,'h000F_B010); // No Scale + One Shot + Mode:3 + Comparator Center
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG1,'h0000_FFFF); // Period 0x80FF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG2,'h008F_0F6F); // COMP0 = 0x6F, COMP1= 0x8F
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_BLK2_CFG3,'h00CF_00AF); // COMP2 = 0xAF, COMP3= 0xCF
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_MASK,'h0000_0007); // Enable PWM Interrupt
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Remove config update block
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0707); // Enable PWM+Run
read_data[15:8] = 8'h7;
fork
begin
while(read_data[15:8] != 8'h00) begin // Wait for De-assertion on Run
wb_user_core_read(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,read_data);
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
begin
while(1) begin
check_sum = check_sum + pwm_wfm;
repeat (100) @(posedge clock);
end
end
join_any
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0007); // Check Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0020); // Check Global Interrupt Status
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_CFG0,'h0000_0000); // Disable PWM
wb_user_core_write(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,'h0000_0007); // Clear Interrupt
wb_user_core_read_check(`ADDR_SPACE_PWM+`PWM_GLBL_INTR_STAT,read_data,'h0000_0000); // Check Interrupt Status
wb_user_core_write(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,'h0000_0020); // Check Global Interrupt Status
wb_user_core_read_check(`ADDR_SPACE_GLBL+`GLBL_CFG_INTR_STAT,read_data,'h0000_0000); // Check Global Interrupt Status
if(test_fail == 1) begin
$display("ERROR: Step-10, PWM One Shot + mode:3 + Comparator Center - FAILED");
end else begin
$display("STATUS: Step-10, PWM One Shot + mode:3 + Comparator Center - PASSED");
end
$display("Check Sum: %x ",check_sum);
if(check_sum != 16'hc692) test_fail = 1;
repeat (100) @(posedge clock);
// $display("+1000 cycles");
if(test_fail == 0) begin
`ifdef GL
$display("Monitor: %m (GL) Passed");
`else
$display("Monitor: %m (RTL) Passed");
`endif
end else begin
`ifdef GL
$display("Monitor: %m (GL) Failed");
`else
$display("Monitor: %m (RTL) Failed");
`endif
end
$display("###################################################");
$finish;
end
wire [5:0] pwm_wfm = {io_out[19],
io_out[18],
io_out[17],
io_out[14],
io_out[13],
io_out[9]};
wire pwm0 = pwm_wfm[0];
wire pwm1 = pwm_wfm[1];
wire pwm2 = pwm_wfm[2];
wire pwm3 = pwm_wfm[3];
wire pwm4 = pwm_wfm[4];
wire pwm5 = pwm_wfm[5];
reg [2:0] pwm_sel;
assign clock_mon = (pwm_sel == 0) ? pwm0 :
(pwm_sel == 1) ? pwm1 :
(pwm_sel == 2) ? pwm2 :
(pwm_sel == 3) ? pwm3 :
(pwm_sel == 4) ? pwm4 : pwm5;
task pwm_monitor;
input [31:0] pwm0_period;
input [31:0] pwm1_period;
input [31:0] pwm2_period;
input [31:0] pwm3_period;
input [31:0] pwm4_period;
input [31:0] pwm5_period;
begin
pwm_sel = 3'h0;
repeat (100) @(posedge clock);
check_clock_period("PWM0 Clock",pwm0_period);
pwm_sel = 3'h1;
repeat (100) @(posedge clock);
check_clock_period("PWM1 Clock",pwm1_period);
pwm_sel = 3'h2;
repeat (100) @(posedge clock);
check_clock_period("PWM2 Clock",pwm2_period);
pwm_sel = 3'h3;
repeat (100) @(posedge clock);
check_clock_period("PWM3 Clock",pwm3_period);
pwm_sel = 3'h4;
repeat (100) @(posedge clock);
check_clock_period("PWM4 Clock",pwm4_period);
pwm_sel = 3'h5;
repeat (100) @(posedge clock);
check_clock_period("PWM5 Clock",pwm5_period);
end
endtask
//----------------------------------
// Check the clock period
//----------------------------------
task check_clock_period;
input [127:0] clk_name;
input [31:0] clk_period; // in NS
time prev_t, next_t, periodd;
begin
$timeformat(-12,3,"ns",10);
repeat(2) @(posedge clock_mon);
repeat(1) @(posedge clock_mon);
prev_t = $realtime;
repeat(2) @(posedge clock_mon);
next_t = $realtime;
periodd = (next_t-prev_t)/2;
periodd = (periodd);
if(clk_period != periodd) begin
$display("STATUS: FAIL => %s Exp Period: %d ns Rxd: %d ns",clk_name,clk_period,periodd);
test_fail = 1;
end else begin
$display("STATUS: PASS => %s Period: %d ns ",clk_name,clk_period);
end
end
endtask
// SSPI Slave I/F
assign io_in[5] = 1'b1; // RESET
//----------------------------------------------------
// Task
// --------------------------------------------------
task test_err;
begin
test_fail = 1;
end
endtask
endmodule
`default_nettype wire