* apps/examples/relays/relays_main.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
* 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
* Pre-processor 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
****************************************************************************/
int main(int argc, FAR char *argv[])
{
char *stat = NULL;
char *no = NULL;
bool badarg = false;
bool set_stat = false;
uint32_t r_stat;
int option;
int n = -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") == 0 || strcmp(stat, "ON") == 0);
}
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