Functions
ai.c File Reference

AI Sample More...

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <iothinx/iothinxio.h>

Go to the source code of this file.

Functions

int main (int argc, char **const argv)
 

Detailed Description

AI Sample

Date
2018-12-27
Author
Eddy Chiu
Version
V1.0
Introduction:
This is AI sample code.
Example:
1. Using default: ./ai
2. Setting AI slot and channel: ./ai -s5 -c2 -n1
Default:
Slot of AI module = 4
AI start channel = 0
AI channel count = 8
Help:
moxa@Moxa:~$ sudo ./ai -h
AI sample program.

Usage: ./ai [OPTIONS]

Options:
    -s       Slot of AI module. Default slot = 4
    -c       AI start channel. Default channel = 0
    -n       AI channel count. Default count = 8

Library:
AI APIs

Definition in file ai.c.

Function Documentation

◆ main()

int main ( int  argc,
char **const  argv 
)
/*******************************************************************************
* Copyright (C) 2019 Moxa Inc. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* AI Sample Application
*
* Date Author Comment
* 2018-12-27 Eddy Chiu Created it.
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <iothinx/iothinxio.h>
int main(int argc, char **const argv)
{
int32_t rc;
uint32_t ai_slot = 4;
uint8_t ai_channel_start = 0;
uint8_t ai_channel_count = 8;
uint8_t ai_ranges[8];
float ai_burnouts[8];
float ai_engs[8];
uint8_t ai_statuss[8];
int32_t i;
char ch;
while (-1 != (rc = getopt(argc, argv, "c:n:hs:")))
{
switch (rc)
{
case 's':
ai_slot = atoi(optarg);
break;
case 'c':
ai_channel_start = atoi(optarg);
break;
case 'n':
ai_channel_count = atoi(optarg);
break;
case 'h':
default:
printf("AI sample program.\n\n");
printf("Usage: ./ai [OPTIONS]\n\n");
printf("Options:\n");
printf("\t%-8s Slot of AI module. Default slot = %d\n", "-s", ai_slot);
printf("\t%-8s AI start channel. Default channel = %d\n", "-c", ai_channel_start);
printf("\t%-8s AI channel count. Default count = %d\n", "-n", ai_channel_count);
printf("\n");
return 0;
}
}
printf("AI slot = %lu\n", ai_slot);
printf("AI start channel = %u\n", ai_channel_start);
printf("AI channel count = %u\n", ai_channel_count);
// initialize ioThinx I/O
if (rc != IOTHINX_ERR_OK)
{
printf("ioThinx_IO_Client_Init() = %d\n", rc);
return -1;
}
// temporarily set config
for (i = 0; i < ai_channel_count; i++)
{
ai_ranges[i] = AI_RANGE_4_20mA_BURNOUT;
}
rc = ioThinx_AI_Config_SetRanges(ai_slot, ai_channel_start, ai_channel_count, ai_ranges);
if (rc != IOTHINX_ERR_OK)
{
printf("ioThinx_AI_Config_SetRanges() = %d\n", rc);
}
for (i = 0; i < ai_channel_count; i++)
{
ai_burnouts[i] = 2.0f;
}
rc = ioThinx_AI_Config_SetBurnoutValues(ai_slot, ai_channel_start, ai_channel_count, ai_burnouts);
if (rc != IOTHINX_ERR_OK)
{
printf("ioThinx_AI_Config_SetBurnoutValues() = %d\n", rc);
}
// reload config
if (rc != IOTHINX_ERR_OK)
{
printf("ioThinx_IO_Config_Reload() = %d\n", rc);
}
// get value
do
{
rc = ioThinx_AI_GetEngs(ai_slot, ai_channel_start, ai_channel_count, ai_engs);
if (rc != IOTHINX_ERR_OK)
{
printf("ioThinx_AI_GetEngs() = %d\n", rc);
break;
}
rc = ioThinx_AI_GetStatuss(ai_slot, ai_channel_start, ai_channel_count, ai_statuss);
if (rc != IOTHINX_ERR_OK)
{
printf("ioThinx_AI_GetStatuss() = %d\n", rc);
break;
}
for (i = 0; i < ai_channel_count; i++)
{
printf("[%lu:%u] eng = %.3f, status = %d\n", ai_slot, ai_channel_start+i, ai_engs[i], ai_statuss[i]);
}
ch = getchar();
}
while (ch != 'q');
return 0;
}

Definition at line 52 of file ai.c.

53 {
54  int32_t rc;
55  uint32_t ai_slot = 4;
56  uint8_t ai_channel_start = 0;
57  uint8_t ai_channel_count = 8;
58  uint8_t ai_ranges[8];
59  float ai_burnouts[8];
60  float ai_engs[8];
61  uint8_t ai_statuss[8];
62  int32_t i;
63  char ch;
64 
65  while (-1 != (rc = getopt(argc, argv, "c:n:hs:")))
66  {
67  switch (rc)
68  {
69  case 's':
70  ai_slot = atoi(optarg);
71  break;
72  case 'c':
73  ai_channel_start = atoi(optarg);
74  break;
75  case 'n':
76  ai_channel_count = atoi(optarg);
77  break;
78  case 'h':
79  default:
80  printf("AI sample program.\n\n");
81  printf("Usage: ./ai [OPTIONS]\n\n");
82  printf("Options:\n");
83  printf("\t%-8s Slot of AI module. Default slot = %d\n", "-s", ai_slot);
84  printf("\t%-8s AI start channel. Default channel = %d\n", "-c", ai_channel_start);
85  printf("\t%-8s AI channel count. Default count = %d\n", "-n", ai_channel_count);
86  printf("\n");
87  return 0;
88  }
89  }
90 
91  printf("AI slot = %lu\n", ai_slot);
92  printf("AI start channel = %u\n", ai_channel_start);
93  printf("AI channel count = %u\n", ai_channel_count);
94 
95  // initialize ioThinx I/O
97  if (rc != IOTHINX_ERR_OK)
98  {
99  printf("ioThinx_IO_Client_Init() = %d\n", rc);
100  return -1;
101  }
102 
103  // temporarily set config
104  for (i = 0; i < ai_channel_count; i++)
105  {
106  ai_ranges[i] = AI_RANGE_4_20mA_BURNOUT;
107  }
108  rc = ioThinx_AI_Config_SetRanges(ai_slot, ai_channel_start, ai_channel_count, ai_ranges);
109  if (rc != IOTHINX_ERR_OK)
110  {
111  printf("ioThinx_AI_Config_SetRanges() = %d\n", rc);
112  }
113  for (i = 0; i < ai_channel_count; i++)
114  {
115  ai_burnouts[i] = 2.0f;
116  }
117  rc = ioThinx_AI_Config_SetBurnoutValues(ai_slot, ai_channel_start, ai_channel_count, ai_burnouts);
118  if (rc != IOTHINX_ERR_OK)
119  {
120  printf("ioThinx_AI_Config_SetBurnoutValues() = %d\n", rc);
121  }
122 
123  // reload config
125  if (rc != IOTHINX_ERR_OK)
126  {
127  printf("ioThinx_IO_Config_Reload() = %d\n", rc);
128  }
129 
130  // get value
131  do
132  {
133  rc = ioThinx_AI_GetEngs(ai_slot, ai_channel_start, ai_channel_count, ai_engs);
134  if (rc != IOTHINX_ERR_OK)
135  {
136  printf("ioThinx_AI_GetEngs() = %d\n", rc);
137  break;
138  }
139  rc = ioThinx_AI_GetStatuss(ai_slot, ai_channel_start, ai_channel_count, ai_statuss);
140  if (rc != IOTHINX_ERR_OK)
141  {
142  printf("ioThinx_AI_GetStatuss() = %d\n", rc);
143  break;
144  }
145  for (i = 0; i < ai_channel_count; i++)
146  {
147  printf("[%lu:%u] eng = %.3f, status = %d\n", ai_slot, ai_channel_start+i, ai_engs[i], ai_statuss[i]);
148  }
149  ch = getchar();
150  }
151  while (ch != 'q');
152 
153  return 0;
154 }
#define AI_RANGE_4_20mA_BURNOUT
Definition: iothinxio.h:543
#define IOTHINX_ERR_OK
Definition: iothinxio.h:35
IOTHINX_ERR ioThinx_AI_GetEngs(uint32_t slot, uint8_t start, uint8_t count, float buf[])
IOTHINX_ERR ioThinx_IO_Config_Reload(void)
IOTHINX_ERR ioThinx_AI_Config_SetBurnoutValues(uint32_t slot, uint8_t start, uint8_t count, float buf[])
IOTHINX_ERR ioThinx_AI_Config_SetRanges(uint32_t slot, uint8_t start, uint8_t count, uint8_t buf[])
IOTHINX_ERR ioThinx_IO_Client_Init(void)
IOTHINX_ERR ioThinx_AI_GetStatuss(uint32_t slot, uint8_t start, uint8_t count, uint8_t buf[])