ioPAC RTU Controllers
C/C++ Sample Code Programming Guide
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Functions
ioPAC5542-HSPA_tag_do.c File Reference

ioPAC5542-HSPA DO TAG Sample More...

#include "libmoxa_rtu.h"

Functions

int main (int argc, char *argv[])
 

Detailed Description

ioPAC5542-HSPA DO TAG Sample

Date
02-21-2014
Author
TJ Tai
Version
V1.0
5542-HSPA_tag_do.jpg
DO TAG Sample
Introduction:
This DO TAG sample code enables the controller to poll channels 0 and 1 for DI values, and then set the DO in 4 modes.
00: DO OFF
01: DO PWM Mode start[Pulse setting in RTUxpress only]
10: DO PWM Mode stop [Pulse setting in RTUxpress only]
11: DO ON
Example:
1. Using default: ./ioPAC5542-HSPA_tag_do
2. Setting channel on DO PWM module only: ./ioPAC5542-HSPA_tag_do -c4
Help:
root@Moxa:/tmp#./ioPAC5542-HSPA_tag_do -h
DO TAG sample program.

Usage: ./ioPAC5542-HSPA_tag_do [OPTIONS]

Options:
    -c        Channel of DO PWM module [0-7]. Default channel = 4
    -p        The amount of PWM count. Default count = 0

Library:
TAG APIs

Function Documentation

int main ( int  argc,
char *  argv[] 
)
/*******************************************************************************
* Copyright Moxa Inc.
*
* DO TAG Sample
*
* Date Author Comment
* 02-21-2014 TJ Tai Created.
******************************************************************************/
#include "libmoxa_rtu.h"
int main(int argc, char * argv[])
{
int rc, i;
TAG_ERR_CODE retval = 0;
char szFileName[80] = "/etc/RTU/config.rtu";
TAG_INFO tagInfo;
UINT32 u32Val = 0;
UINT32 outMode = 0, lastOutMode = -1;
int diChannelAmount = 2; // only need DI0 and DI1 in this sample
int doChannelAmount = 8;
int doPWMChannel = 4; // default DO PWM mode Channel = 4
int PWMcount = 0; // default DO PWM mode Count = 0;
char di_tagName[diChannelAmount][TAG_MAX_NAME_SIZE];
char do_tagName[doChannelAmount][TAG_MAX_NAME_SIZE];
char do_PWM[2][TAG_MAX_NAME_SIZE];
char tagBuf[TAG_MAX_NAME_SIZE];
memset(tagBuf, 0, TAG_MAX_NAME_SIZE);
while(-1 != (rc = getopt(argc, argv, "hc:p:")))
{
switch(rc)
{
case 'c':
doPWMChannel = atoi(optarg);
if(doPWMChannel < 0 || doPWMChannel > doChannelAmount - 1)
{
printf("Error parameter: Channel: %d\n", doPWMChannel);
return -1;
}
break;
case 'p':
PWMcount = atoi(optarg);
if(PWMcount < 0)
{
printf("Error parameter: PWMcount: %d\n", PWMcount);
return -1;
}
break;
case '?':
case 'h':
default:
printf("DO TAG sample program.\n\n");
printf("Usage: ./ioPAC5542-HSPA_tag_do [OPTIONS]\n\n");
printf("Options:\n");
printf("\t%-8s Channel of DO PWM module [%d-%d]. Default Channel = %d\n",
"-c", 0, doChannelAmount - 1, 4);
printf("\t%-8s The amount of PWM output count. Default count = %d\n",
"-p", 0);
printf("\n");
return;
}
}
printf("%-10s: %d\n", "PWMChannel", doPWMChannel);
printf("%-10s: %d\n", "PWMcount", PWMcount);
sprintf(do_PWM[0], "S0_DIO%d_PWMCount", doPWMChannel);
sprintf(do_PWM[1], "S0_DIO%d_PWMStartStop", doPWMChannel);
retval = MX_RTU_Tag_Init();
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Init(), return code = %d.\n", retval);
return 0;
}
// Config DI TAG
for(i = 0; i < diChannelAmount; i++)
{
sprintf(di_tagName[i], "S0_DI%d_DIValue", i);
}
// Config DO TAG
for(i = 0; i < doChannelAmount; i++)
{
sprintf(do_tagName[i], "S0_DIO%d_DOValue", i);
}
UINT32 bitVal[diChannelAmount];
for(i = 0; i < diChannelAmount; i++)
{
bitVal[i] = 0;
}
// Config PWM count value
retval = MX_RTU_Tag_Get_Info(do_PWM[0], &tagInfo);
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Get_Info(%s), return code = %d.\n", do_PWM[0], retval);
return 0;
}
memcpy(tagBuf, &PWMcount, tagInfo.tagSize);
retval = MX_RTU_Tag_Write(tagInfo.tagName, tagBuf, tagInfo.tagSize);
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Write(%s), return code = %d\r\n", tagInfo.tagName, retval);
return 0;
}
while(1)
{
// GetDI
for(i = 0; i < diChannelAmount ; i++)
{
retval = MX_RTU_Tag_Read(di_tagName[i], &bitVal[i], sizeof(bitVal), NULL, NULL);
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Read(%s) = %d\n", di_tagName[i], retval);
break;
}
}
outMode = bitVal[0] + 2 * bitVal[1];
printf("\rMode: %d", outMode);
fflush(0);
if(outMode == lastOutMode)
continue;
lastOutMode = outMode;
// SetDO
if(outMode == 0)
{
// DO OFF mode
for(i = 0; i < doChannelAmount; i++)
{
retval = MX_RTU_Tag_Get_Info(do_tagName[i], &tagInfo);
if(retval != TAG_ERR_OK && i != doPWMChannel)
{
printf("MX_RTU_Tag_Get_Info(%s), return code = %d.\n", do_tagName[i], retval);
break;
}
retval = MX_RTU_Tag_Write(do_tagName[i], bitVal, tagInfo.tagSize);
if(retval != TAG_ERR_OK && i != doPWMChannel)
{
printf("MX_RTU_Tag_Write(%s), return code = %d\r\n", do_tagName[i], retval);
break;
}
}
}
else if(outMode == 1)
{
// 01: DO PWM Mode start
retval = MX_RTU_Tag_Get_Info(do_PWM[1], &tagInfo);
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Get_Info(%s), return code = %d.\n", do_PWM[1], retval);
break;
}
retval = MX_RTU_Tag_Write(do_PWM[1], bitVal + 0, tagInfo.tagSize); // write 1 for tag to start
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Write(%s), return code = %d\r\n", do_PWM[1], retval);
break;
}
}
else if(outMode == 2)
{
// 10: DO PWM Mode stop
retval = MX_RTU_Tag_Write(do_PWM[1], bitVal + 0, tagInfo.tagSize);
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Write(%s), return code = %d\r\n", do_PWM[1], retval);
break;
}
retval = MX_RTU_Tag_Read(do_PWM[1], &u32Val, sizeof(u32Val), NULL, NULL);
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Read(%s) = %d\n", do_PWM[1], retval);
break;
}
}
else if(outMode == 3)
{
// DO ON mode
for(i = 0; i < doChannelAmount; i++)
{
retval = MX_RTU_Tag_Get_Info(do_tagName[i], &tagInfo);
if(retval != TAG_ERR_OK && i != doPWMChannel)
{
printf("MX_RTU_Tag_Get_Info(%s), return code = %d.\n", do_tagName[i], retval);
break;
}
retval = MX_RTU_Tag_Write(do_tagName[i], bitVal + 0, tagInfo.tagSize);
if(retval != TAG_ERR_OK && i != doPWMChannel)
{
printf("MX_RTU_Tag_Write(%s), return code = %d\r\n", do_tagName[i], retval);
break;
}
}
}
else
{
printf("Error DI Value Input.\n");
return 0;
}
}
retval = MX_RTU_Tag_Uninit();
if(retval != TAG_ERR_OK)
{
printf("MX_RTU_Tag_Uninit(), return code = %d\n", retval);
}
return 0;
}