nuttx-apps/examples/relays/relays_main.c

159 lines
4.8 KiB
C

/****************************************************************************
* examples/relays/relays_main.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Darcy Gong
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/arch.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/arch.h>
#ifdef CONFIG_ARCH_RELAYS
/****************************************************************************
* Definitions
****************************************************************************/
#ifndef CONFIG_EXAMPLES_RELAYS_NRELAYS
# define CONFIG_EXAMPLES_RELAYS_NRELAYS 2
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: relays_main
****************************************************************************/
#ifdef CONFIG_BUILD_KERNEL
int main(int argc, FAR char **argv)
#else
int relays_main(int argc, char *argv[])
#endif
{
char *stat = NULL;
char *no = NULL;
bool badarg = false;
bool set_stat = false;
uint32_t r_stat;
int option;
int n = -1;
int ret = -1;
int i;
while ((option = getopt(argc, argv, ":n:")) != ERROR)
{
switch (option)
{
case 'n':
no = optarg;
n = atoi(no);
break;
case ':':
badarg = true;
break;
case '?':
default:
badarg = true;
break;
}
}
if (badarg)
{
printf("usage: relays [ -n <relay id> ] <switch-status>\n");
return -1;
}
if (optind == argc - 1)
{
stat = argv[optind];
set_stat = (!strcmp(stat,"on") || !strcmp(stat,"ON")) ? true : false ;
}
up_relaysinit();
if (n >= 0)
{
printf("set RELAY ID %d to %s\n", n , set_stat ? "ON" : "OFF");
relays_setstat(n,set_stat);
}
else
{
r_stat = 0;
for (i = 0; i < CONFIG_EXAMPLES_RELAYS_NRELAYS; i++)
{
printf("set RELAY ID %d to %s\n", i , set_stat ? "ON" : "OFF");
r_stat |= (set_stat ? 1 : 0) << i;
}
relays_setstats(r_stat);
}
return 0;
}
#endif /* CONFIG_ARCH_RELAYS */