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uvos 2023-06-15 18:06:29 +02:00
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/**
* libeismultiplexer
* Copyright (C) 2023 Carl Klemm
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 3 as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <unistd.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "uvosled.h"
void print_help(const char* progname)
{
printf("usage: %s [OPERATION] [CHANNEL] [VALUE]\n", progname);
printf("available operations: set on off help\n");
}
int main(int argc, char* argv[])
{
if(argc < 2 || strcmp (argv[1], "help") == 0)
{
print_help(argv[0]);
return 0;
}
struct uvosled led;
if(uvosled_connect(&led))
{
printf("Can not connect to UVOS usbled device\n");
return -1;
}
if(strcmp(argv[1], "on") == 0)
{
if(uvosled_poweron(&led))
printf("cant power on \n");
}
else if(strcmp(argv[1], "off") == 0)
{
uvosled_set_current(&led, 0xff , 0);
uvosled_poweroff(&led);
}
else if(strcmp(argv[1], "set") == 0)
{
if(argc != 4)
{
printf("usage: %s set [CHANNEL] [VALUE]\n", argv[0]);
uvosled_poweroff(&led);
return 0;
}
uint8_t mask = 0;
switch(argv[2][0])
{
case 'a':
case 'A':
case '1':
mask = CHANNEL_A;
break;
case 'b':
case 'B':
case '2':
mask = CHANNEL_B;
break;
case 'c':
case 'C':
case '3':
mask = CHANNEL_C;
break;
case 'd':
case 'D':
case '4':
mask = CHANNEL_D;
break;
default:
printf("A channel must be selected out of A, B, C or D\n");
}
if(mask)
{
char* end;
float value = strtof(argv[3], &end);
if(isnan(value) || value < 0 || value > 1.0f)
printf("A channel value between 0 and 1.0 must be supplied\n");
else if(uvosled_set_current(&led, mask, value))
printf("Failed to set current\n");
}
}
uvosled_disconnect(&led);
return 0;
}