/* * Copyright (C) 2014 Freie Universität Berlin * * This file is subject to the terms and conditions of the GNU Lesser * General Public License v2.1. See the file LICENSE in the top level * directory for more details. */ /** * @ingroup tests * @{ * * @file * @brief Test application for the ISL29020 light sensor * * @author Hauke Petersen * * @} */ #ifndef TEST_ISL29020_I2C #error "TEST_ISL29020_I2C not defined" #endif #ifndef TEST_ISL29020_ADDR #error "TEST_ISL29020_ADDR not defined" #endif #include #include "xtimer.h" #include "isl29020.h" #define MODE ISL29020_MODE_AMBIENT #define RANGE ISL29020_RANGE_16K #define SLEEP (250 * 1000U) int main(void) { isl29020_t dev; int value; puts("ISL29020 light sensor test application\n"); printf("Initializing ISL29020 sensor at I2C_%i... ", TEST_ISL29020_I2C); if (isl29020_init(&dev, TEST_ISL29020_I2C, TEST_ISL29020_ADDR, RANGE, MODE) == 0) { puts("[OK]\n"); } else { puts("[Failed]"); return 1; } while (1) { value = isl29020_read(&dev); printf("Light value: %5i LUX\n", value); xtimer_usleep(SLEEP); } return 0; }