diff --git a/examples/z1/test-tmp102.c b/examples/z1/test-tmp102.c new file mode 100644 index 000000000..6b25221a3 --- /dev/null +++ b/examples/z1/test-tmp102.c @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2007, Swedish Institute of Computer Science. + * 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 tmp102 driver + * \author + * Enric Calvo + */ + +#include +#include "contiki.h" +#include "dev/i2cmaster.h" +#include "dev/tmp102.h" + + +#if 1 +#define PRINTF(...) printf(__VA_ARGS__) +#else +#define PRINTF(...) +#endif + + +#if 0 +#define PRINTFDEBUG(...) printf(__VA_ARGS__) +#else +#define PRINTFDEBUG(...) +#endif + + +#define TMP102_READ_INTERVAL (CLOCK_SECOND/2) + +PROCESS (temp_process, "Test Temperature process"); +AUTOSTART_PROCESSES (&temp_process); +/*---------------------------------------------------------------------------*/ +static struct etimer et; + +PROCESS_THREAD (temp_process, ev, data) +{ + PROCESS_BEGIN (); + + { + int16_t tempint; + uint16_t tempfrac; + int16_t raw; + uint16_t absraw; + int16_t sign; + char minus = ' '; + + tmp102_init(); + + while (1) + { + etimer_set(&et, TMP102_READ_INTERVAL); + PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); + + sign = 1; + + PRINTFDEBUG ("Reading Temp...\n"); + raw = tmp102_read_temp_raw(); + absraw = raw; + if (raw < 0) { // Perform 2C's if sensor returned negative data + absraw = (raw ^ 0xFFFF) + 1; + sign = -1; + } + tempint = (absraw >> 8) * sign; + tempfrac = ((absraw>>4) % 16) * 625; // Info in 1/10000 of degree + minus = ((tempint == 0) & (sign == -1)) ? '-' : ' ' ; + PRINTF ("Temp = %c%d.%04d\n", minus, tempint, tempfrac); + } + } + PROCESS_END (); +} +