161 lines
4.3 KiB
C
161 lines
4.3 KiB
C
/*
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* Copyright (c) 2014-15, Ralf Schlatterbeck Open Source Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*/
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/**
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* \file
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* LED-strip driver for Seeed Studio LED-Strip
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* \author
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* Ralf Schlatterbeck <rsc@runtux.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include "contiki.h"
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#include "contiki-net.h"
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#include "rest-engine.h"
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#include "generic_resource.h"
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/*
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* Resources to be activated need to be imported through the extern keyword.
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* The build system automatically compiles the resources in the
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* corresponding sub-directory.
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*/
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#if PLATFORM_HAS_BATTERY
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#include "dev/battery-sensor.h"
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extern resource_t res_battery;
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#endif
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#if PLATFORM_HAS_RADIO
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#include "dev/radio-sensor.h"
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extern resource_t res_radio;
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#endif
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#include "LED_Strip_Suli.h"
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int color_rgb [3] = {0, 255, 0};
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static uint8_t name_to_offset (const char * name)
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{
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uint8_t offset = 0;
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if (0 == strcmp (name, "green")) {
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offset = 1;
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} else if (0 == strcmp (name, "blue")) {
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offset = 2;
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}
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return offset;
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}
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static size_t
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color_to_string (const char *name, uint8_t is_json, char *buf, size_t bsize)
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{
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char *fmt = "%d";
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if (is_json) {
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fmt = "\"%d\"";
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}
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return snprintf (buf, bsize, fmt, color_rgb [name_to_offset (name)]);
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}
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void color_from_string (const char *name, const char *s)
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{
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color_rgb [name_to_offset (name)] = atoi (s);
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led_strip_begin ();
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led_strip_set_color (color_rgb [0], color_rgb [1], color_rgb [2]);
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led_strip_end ();
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printf ("Set to R:%d G:%d B:%d\n"
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, color_rgb [0], color_rgb [1], color_rgb [2])
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;
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}
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GENERIC_RESOURCE
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( red
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, RED_LED
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, s
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, color_from_string
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, color_to_string
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);
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GENERIC_RESOURCE
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( green
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, GREEN_LED
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, s
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, color_from_string
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, color_to_string
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);
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GENERIC_RESOURCE
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( blue
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, BLUE_LED
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, s
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, color_from_string
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, color_to_string
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);
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PROCESS(led_strip, "LED Strip Example");
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AUTOSTART_PROCESSES(&led_strip);
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PROCESS_THREAD(led_strip, ev, data)
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{
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PROCESS_BEGIN();
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/* Initialize the REST engine. */
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rest_init_engine ();
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printf ("Initialized\n");
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led_strip_init (3, 14);
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led_strip_begin ();
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led_strip_set_color (color_rgb [0], color_rgb [1], color_rgb [2]);
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led_strip_end ();
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printf ("Set to R:%d G:%d B:%d\n"
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, color_rgb [0], color_rgb [1], color_rgb [2])
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;
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/* Activate the application-specific resources. */
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#if PLATFORM_HAS_BATTERY
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SENSORS_ACTIVATE(battery_sensor);
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rest_activate_resource (&res_battery,"s/battery");
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#endif
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rest_activate_resource (&res_red, "led/R");
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rest_activate_resource (&res_green, "led/G");
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rest_activate_resource (&res_blue, "led/B");
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/* Define application-specific events here. */
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/* Don't do anything for now, everything done in resources */
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while(1) {
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PROCESS_WAIT_EVENT();
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} /* while (1) */
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PROCESS_END();
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}
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