diff --git a/hongweiz/pwmtachtool/src/pwmtachtool.c b/hongweiz/pwmtachtool/src/pwmtachtool.c
new file mode 100644
index 0000000..693f498
--- /dev/null
+++ b/hongweiz/pwmtachtool/src/pwmtachtool.c
@@ -0,0 +1,223 @@
+
+/*
+* Pwmtachtool Application
+* This application provides functions to get/set fan speed / PWM dutycycle.
+* Copyright (C) <2019>  <American Megatrends International LLC>
+*
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <sys/select.h>
+#include <sys/ioctl.h>
+#include <sys/poll.h>
+#include <sys/time.h>
+#include <stdint.h>
+#include <limits.h>
+#include "libpwmtach.h"
+
+#define VERSION_STR "1.0"
+typedef enum {
+	SET_FAN_SPEED,
+	GET_FAN_SPEED,
+	SET_PWM_DUTYCYCLE,
+	SET_PWM_DUTYCYCLE_VALUE,
+	GET_PWM_DUTYCYCLE,
+	END_OF_FUNCLIST
+}ePwmTachactions;
+
+
+ePwmTachactions action = END_OF_FUNCLIST;
+
+static int verbose = 0;
+
+static void ShowUsage ( void )
+	/*@globals fileSystem@*/
+	/*@modifies fileSystem@*/
+{
+	printf ("PWMTACH Test Tool (Version %s)\n",VERSION_STR);
+	printf ("Copyright (c) 2009-2015 American Megatrends Inc.\n");	
+	printf( "Usage : pwmtachtool <device_id> <command-option> <fannum>\n" );
+	printf( "\t--set-fan-speed:         Set Fan's speed. Takes the RPM value as the last argument\n" );
+	printf("\t\tparameters: <Fan_Number> <Fan_Speed>\n");
+	printf( "\t--set-pwm-dutycycle:         Set Fan's dutycycle. dutycycle_percentage value should be between 1 to 100\n" );
+	printf( "\t--set-pwm-dutycycle-value:   Set Fan's dutycycle. dutycycle_value should be between 0 to 255\n" );
+	printf("\t\tparameters: <pwm_number> <dutycycle value>\n");
+	printf( "\t--get-pwm-dutycycle:		Get Fan's dutycycle\n");
+	printf( "\t--get-fan-speed:         Get Fan's speed\n" );
+	printf( "\t--verbose:         Enable Debug messages\n" );
+	printf( "\n" );
+}
+
+static void Verbose ( char * msg )
+{
+	if (verbose ) printf ( "%s\n" , msg );
+}
+
+static int process_arguments( int argc, char **argv,
+		unsigned char* fan_num,unsigned int* rpm_value, 
+		unsigned int* dev_id )
+{
+	int i = 1;
+
+	if (argc < 3)
+	{
+		printf("need Device Name and Command to process request\n");
+		return -1;
+	}
+
+	*dev_id = (unsigned char)strtol( argv[ i++ ], NULL, 10);
+
+	if( strcmp( argv[ i ], "--set-fan-speed" ) == 0 )
+	{
+		if (argc < 5)
+		{
+			printf("need Fan Number and RPM value to process request\n");
+			return -1;
+		}
+		*fan_num = (unsigned char)strtol( argv[ ++i ], NULL, 10);
+		*rpm_value = (unsigned int)strtol( argv[ ++i ], NULL, 10);
+		action = SET_FAN_SPEED;
+	}
+	else if( strcmp( argv[ i ], "--set-pwm-dutycycle" ) == 0 )
+	{
+		if (argc < 5)
+		{
+			printf("need Fan Number and Dutycycle value to process request\n");
+			return -1;
+		}
+		*fan_num = (unsigned char)strtol( argv[ ++i ], NULL, 10);
+		*rpm_value = (unsigned int)strtol( argv[ ++i ], NULL, 10);
+		action = SET_PWM_DUTYCYCLE;
+	}
+	else if( strcmp( argv[ i ], "--set-pwm-dutycycle-value" ) == 0 )
+	{
+		if (argc < 5)
+		{
+			printf("need Fan Number and Dutycycle value to process request\n");
+			return -1;
+		}
+		*fan_num = (unsigned char)strtol( argv[ ++i ], NULL, 10);
+		*rpm_value = (unsigned int)strtol( argv[ ++i ], NULL, 10);
+		action = SET_PWM_DUTYCYCLE_VALUE;
+	}
+	else if( strcmp( argv[i], "--get-pwm-dutycycle" ) == 0)
+	{
+		if (argc < 4)
+		{
+			printf("need PWM Number to process request\n");
+			return -1;
+		}
+		*fan_num = (unsigned char)strtol( argv[ ++i ], NULL, 10);
+		action = GET_PWM_DUTYCYCLE;
+	}
+
+	else if( strcmp( argv[ i ], "--get-fan-speed" ) == 0 )
+	{
+		if (argc < 4)
+		{
+			printf("need more parameters to process request\n");
+			return -1;
+		}
+		*fan_num = (unsigned char)strtol( argv[ ++i ], NULL, 10);
+		action = GET_FAN_SPEED;
+	}
+
+	else if( strcmp( argv[ i ], "--verbose" ) == 0 )
+		verbose = 1;
+
+	return 0;
+}
+
+int main ( int argc , char* argv [] )
+{
+	unsigned char fannum = 0, property_id = 0;
+	unsigned int rpmvalue = 0;
+	unsigned char dutycycle = 0;
+	int Value = 0;
+	int ret = 0;
+	unsigned int dev_id = 0;
+
+	if (argc < 2)
+	{
+		ShowUsage();
+		return 0;
+	}
+	ret = process_arguments( argc , argv , &fannum, &rpmvalue, &dev_id );
+	if (ret != 0)
+	{ 
+		return -1;
+	}
+
+	if (END_OF_FUNCLIST == action)
+	{
+		ShowUsage ();
+		return 0;
+	}
+
+	switch ( action )
+	{
+
+		case SET_FAN_SPEED:
+			Verbose   ("Inside Set Fan Speed \n");
+			Value = set_fan_speed (dev_id, fannum, rpmvalue);
+			if  ( -1 == Value )
+			{
+				printf ( "Set Fan Speed Failed \n"); 
+				return -1;
+			}
+			printf ( "Fan Speed set Successfully\n");
+			break;	
+		case GET_FAN_SPEED:
+			Verbose   ("Inside Get Fan Speed \n");
+			Value = get_fan_speed (dev_id, fannum, &rpmvalue);
+			if ( -1 == Value)
+			{
+				printf ( "Get Fan Speed Failed \n"); 
+				return -1;
+			}	
+			printf("Fan %d speed is %d \n", fannum, rpmvalue);
+			break;
+
+		case SET_PWM_DUTYCYCLE:
+			Verbose   ("Inside Set PWM Dutycycle \n");
+			Value = set_pwm_dutycycle (dev_id, fannum, rpmvalue);
+			if  ( -1 == Value )
+			{
+				printf ( "Set PWM Dutycycle Failed \n"); 
+				return -1;
+			}
+			printf ( "Fan PWM set dutycycle Successfully\n");
+			break;
+		case SET_PWM_DUTYCYCLE_VALUE:
+			Verbose   ("Inside Set PWM Dutycycle Value\n");
+			Value = set_pwm_dutycycle_value (dev_id, fannum, rpmvalue);
+			if  ( -1 == Value )
+			{
+				printf ( "Set PWM Dutycycle Value Failed \n"); 
+				return -1;
+			}
+			printf ( "Fan PWM set dutycycle value Successfully\n");
+			break;
+		case GET_PWM_DUTYCYCLE:
+			Verbose   ("Inside Get PWM Dutycycle \n");
+			Value = get_pwm_dutycycle (dev_id, fannum, &dutycycle);
+			if  ( -1 == Value )
+			{
+				printf ( "Set PWM Dutycycle Failed \n"); 
+				return -1;
+			}
+			printf ( "PWM %d Dutycycle is %d\n",fannum, dutycycle);
+			break;
+
+		default:
+			printf("Invalid PWMTACH Function Call\n");
+			break;
+	}
+	return 0;
+}