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68 lines
1.5 KiB
68 lines
1.5 KiB
/* |
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* Copyright (C) 2014 Freie Universität Berlin |
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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 LPS331AP pressure sensor |
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* |
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de> |
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* |
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* @} |
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*/ |
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#ifndef TEST_LPS331AP_I2C |
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#error "TEST_LPS331AP_I2C not defined" |
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#endif |
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#ifndef TEST_LPS331AP_ADDR |
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#error "TEST_LPS331AP_ADDR not defined" |
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#endif |
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#include <stdio.h> |
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#include "xtimer.h" |
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#include "lps331ap.h" |
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#define RATE LPS331AP_RATE_7HZ |
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#define SLEEP (250 * 1000U) |
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int main(void) |
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{ |
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lps331ap_t dev; |
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int temp, pres; |
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int temp_abs, pres_abs; |
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puts("LPS331AP pressure sensor test application\n"); |
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printf("Initializing LPS331AP sensor at I2C_%i... ", TEST_LPS331AP_I2C); |
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if (lps331ap_init(&dev, TEST_LPS331AP_I2C, TEST_LPS331AP_ADDR, RATE) == 0) { |
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puts("[OK]\n"); |
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} |
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else { |
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puts("[Failed]"); |
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return 1; |
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} |
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while (1) { |
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pres = lps331ap_read_pres(&dev); |
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temp = lps331ap_read_temp(&dev); |
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pres_abs = pres / 1000; |
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pres -= pres_abs * 1000; |
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temp_abs = temp / 1000; |
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temp -= temp_abs * 1000; |
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printf("Pressure value: %2i.%03i bar - Temperature: %2i.%03i °C\n", |
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pres_abs, pres, temp_abs, temp); |
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xtimer_usleep(SLEEP); |
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} |
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return 0; |
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}
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