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Diffstat (limited to 'apps/examples/relays/relays_main.c')
-rw-r--r-- | apps/examples/relays/relays_main.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/apps/examples/relays/relays_main.c b/apps/examples/relays/relays_main.c new file mode 100644 index 000000000..c7ad6db0f --- /dev/null +++ b/apps/examples/relays/relays_main.c @@ -0,0 +1,154 @@ +/**************************************************************************** + * 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 + ****************************************************************************/ + +int relays_main(int argc, 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 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 */ |