85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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* Copyright (c) 2013, Jelmer Tiete.
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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. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 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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/**
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* \file
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* A simple program for testing the TLC59116 I2C led driver.
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* All 16 outputs will sequencially light up.
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* \author
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* Jelmer Tiete, VUB <jelmer@tiete.be>
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*/
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#include <stdio.h>
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#include "contiki.h"
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#include "dev/tlc59116.h"
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#define BLINK_INTERVAL CLOCK_SECOND/25
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/*---------------------------------------------------------------------------*/
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PROCESS(tlc59116_process, "Test tlc59116 process");
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AUTOSTART_PROCESSES(&tlc59116_process);
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/*---------------------------------------------------------------------------*/
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/* Main process, setups */
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static struct etimer et;
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static uint8_t count = 0;
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PROCESS_THREAD(tlc59116_process, ev, data)
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{
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PROCESS_BEGIN();
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{
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/* Start and setup the led driver with default values, eg outputs on and pwm enabled and 0. */
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tlc59116_init();
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while(1) {
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tlc59116_led(count, 0x00);
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tlc59116_led((count + 1) % 16, 0x20);
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tlc59116_led((count + 2) % 16, 0x40);
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tlc59116_led((count + 3) % 16, 0xFF);
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count++;
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if(count > 15) {
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count = 0;
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}
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etimer_set(&et, BLINK_INTERVAL);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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