blob: 737471630b1291e94e870bd252c7574a59550d93 [file] [log] [blame]
/*****************************************************************
*
* adcapp.c
* application to acess ADC adriver
*
* Author: Rama Rao Bisa <ramab@ami.com>
*
* 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 "EINTR_wrappers.h"
#include "adc.h"
#include "adcifc.h"
typedef enum {
GET_ADC_VALUE,
END_OF_FUNCLIST
}e_adc_actions;
e_adc_actions action = END_OF_FUNCLIST;
static void ShowUsuage ( void )
{
printf ("ADC Test Tool - Copyright (c) 2009-2015 American Megatrends Inc.\n");
printf( "Usage : addapp NumOfMaxChannels <option> \n" );
printf( "option: \n" );
printf( "\t--read-adc-channel \tGet ADC value for all the ADC channels\n" );
printf( "\n" );
}
static int process_arguments( int argc, char **argv )
{
int i=2;
if( strcmp( argv[ i ], "--read-adc-channel" ) == 0 )
{
action = GET_ADC_VALUE;
}
else
{
action = END_OF_FUNCLIST;
}
return 0;
}
int
main ( int argc , char* argv [] )
{
get_adc_value_t get_adc_value;
int max_adc_channels;
int i,ret_val;
unsigned short reading=0;
if ( !(argc >= 3 ) )
{
ShowUsuage () ;
return 0;
}
max_adc_channels = (unsigned char)strtol( argv[1], NULL, 10);
process_arguments( argc , argv);
if ( (END_OF_FUNCLIST == action))
{
ShowUsuage ();
return 0;
}
switch ( action )
{
case GET_ADC_VALUE:
for (i = 0; i < max_adc_channels; i++)
{
get_adc_value.channel_num = i;
get_adc_value.channel_value = 0;
ret_val = get_adc_val(get_adc_value.channel_num, &reading);
if (ret_val == -1)
{
printf ("Read ADC channel failed\n");
return -1;
}
printf(
"ADC Channel Value =%5dmv for channel %d\n",
reading, get_adc_value.channel_num);
}
break;
default:
printf("Invalid ADC Function Call ");
break;
}
return 0;
}