contiki/examples/z1/test-light-ziglet.c

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/*
* Copyright (c) 2011, Zolertia(TM) is a trademark of Advancare,SL
* All rights reserved.
*
* 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 of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* A quick program for testing the light ziglet driver in the Z1 platform
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
#include <stdio.h>
#include "contiki.h"
#include "dev/i2cmaster.h"
#include "dev/light-ziglet.h"
#if 1
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
#define SENSOR_READ_INTERVAL (CLOCK_SECOND / 2)
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PROCESS(test_process, "Test light ziglet process");
AUTOSTART_PROCESSES(&test_process);
/*---------------------------------------------------------------------------*/
static struct etimer et;
PROCESS_THREAD(test_process, ev, data)
{
PROCESS_BEGIN();
uint16_t light;
/* Initialize driver and set a slower data rate */
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light_ziglet_init();
i2c_setrate(I2C_PRESC_100KHZ_LSB, I2C_PRESC_100KHZ_MSB);
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while(1) {
etimer_set(&et, SENSOR_READ_INTERVAL);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
light = light_ziglet_read();
PRINTF("Light = %u\n", light);
}
PROCESS_END();
}