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https://github.com/RIOT-OS/RIOT.git
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145 lines
3.3 KiB
C
145 lines
3.3 KiB
C
/*
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* Copyright (C) 2015 Eistec AB
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Test application for the ADT7310 accelerometer driver
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*
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* @author Joakim Nohlgård <joakim.nohlgard@eistec.se
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*
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* @}
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*/
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#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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#include "board.h"
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#include "xtimer.h"
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#include "periph/spi.h"
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#include "adt7310.h"
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/* Check for definition of hardware settings */
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#ifndef TEST_ADT7310_SPI
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#error "TEST_ADT7310_SPI not defined"
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#endif
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#ifndef TEST_ADT7310_CS
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#error "TEST_ADT7310_CS not defined"
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#endif
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#define SPI_CONF (SPI_CONF_SECOND_FALLING)
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#define SPI_CLK (SPI_CLK_10MHZ)
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#define SLEEP_CONT (100 * 1000U)
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#define SLEEP_1SPS (1000 * 1000U)
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#define READINGS_CONT (200)
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#define READINGS_1SPS (20)
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int test_adt7310_sample_print(adt7310_t *dev)
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{
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int16_t raw;
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float celsius_float;
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int32_t millicelsius;
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raw = adt7310_read_raw(dev);
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if (raw == INT16_MIN) {
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puts("Reading temperature data (adt7310_read_raw)... ");
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puts("[Failed]\n");
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return 1;
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}
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millicelsius = adt7310_read(dev);
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if (millicelsius == INT32_MIN) {
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puts("Reading temperature data (adt7310_read)... ");
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puts("[Failed]\n");
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return 1;
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};
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celsius_float = adt7310_read_float(dev);
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if (isnan(celsius_float)) {
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puts("Reading temperature data (adt7310_read_float)... ");
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puts("[Failed]\n");
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return 1;
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};
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/* Several platforms usually build with nano.specs, (without float printf) */
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/* Split value into two integer parts for printing. */
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float integral = 0;
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float fractional;
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fractional = modff(celsius_float, &integral);
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printf("0x%04" PRIx16 " %7" PRId32 " mC %4d.%07lu C)\n", raw, millicelsius,
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(int)integral, labs((long)(fractional * 10000000.f)));
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return 0;
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}
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int main(void)
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{
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adt7310_t dev;
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puts("ADT7310 temperature driver test application\n");
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puts("Initializing ADT7310 sensor... ");
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if (adt7310_init(&dev, TEST_ADT7310_SPI, SPI_CLK, TEST_ADT7310_CS) == 0) {
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puts("[OK]");
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}
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else {
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puts("[Failed]\n");
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return 1;
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}
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puts("ADT7310 init done.\n");
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while (1) {
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puts("Set mode to continuous, 16 bit... ");
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if (adt7310_set_config(&dev, ADT7310_MODE_CONTINUOUS | ADT7310_CONF_RESOLUTION(1)) == 0) {
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puts("[OK]");
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}
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else {
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puts("[Failed]\n");
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return 1;
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}
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for (int i = 0; i < READINGS_CONT; ++i)
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{
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printf("%4d: ", i);
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if (test_adt7310_sample_print(&dev) != 0)
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{
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return 1;
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}
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xtimer_usleep(SLEEP_CONT);
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}
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puts("Set mode to 1SPS, 13 bit... ");
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if (adt7310_set_config(&dev, ADT7310_MODE_1SPS) == 0) {
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puts("[OK]");
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}
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else {
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puts("[Failed]\n");
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return 1;
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}
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for (int i = 0; i < READINGS_1SPS; ++i)
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{
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printf("%4d: ", i);
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if (test_adt7310_sample_print(&dev) != 0)
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{
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return 1;
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}
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xtimer_usleep(SLEEP_1SPS);
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}
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}
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return 0;
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}
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