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101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/*
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* Copyright 2015 Ludwig Knüpfer
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* Copyright 2017 HAW Hamburg
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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 ISL29125 RGB light sensor
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*
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* @author Ludwig Knüpfer <ludwig.knuepfer@fu-berlin.de>
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* @author Martin Heusmann <martin.heusmann@haw-hamburg.de>
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* @author Cenk Gündoğan <mail-github@cgundogan.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include <string.h>
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#include "xtimer.h"
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#include "isl29125.h"
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#include "isl29125_params.h"
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#define SLEEP_USEC (250 * 1000U)
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void cb(void *arg)
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{
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(void) arg;
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printf("INT: external interrupt\n");
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}
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int main(void)
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{
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isl29125_t dev;
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isl29125_rgb_t data;
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color_rgb_t data8bit;
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memset(&data, 0x00, sizeof(data));
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/* Parameters for testing, change if needed. */
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uint16_t lower_threshold = 0;
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uint16_t higher_threshold = 8000;
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puts("ISL29125 light sensor test application\n");
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printf("Initializing ISL29125 sensor at I2C_%i... ", isl29125_params[0].i2c);
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if (isl29125_init(&dev, &isl29125_params[0]) == 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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puts("Initializing interrupt");
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if (isl29125_init_int(&dev, ISL29125_INTERRUPT_STATUS_RED,
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ISL29125_INTERRUPT_PERSIST_1, ISL29125_INTERRUPT_CONV_DIS,
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lower_threshold, higher_threshold, cb, NULL) != 0) {
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puts("[Failed]");
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return 1;
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}
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/* try out some modes */
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static const isl29125_mode_t modes[] = {
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ISL29125_MODE_DOWN, ISL29125_MODE_STANDBY, ISL29125_MODE_RGB,
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ISL29125_MODE_R, ISL29125_MODE_G, ISL29125_MODE_B,
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ISL29125_MODE_RG, ISL29125_MODE_GB};
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static const char* mode_names[] = {
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"ISL29125_MODE_DOWN", "ISL29125_MODE_STANDBY", "ISL29125_MODE_RGB",
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"ISL29125_MODE_R", "ISL29125_MODE_G", "ISL29125_MODE_B",
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"ISL29125_MODE_RG", "ISL29125_MODE_GB"};
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for (size_t i = 0; i < ARRAY_SIZE(modes); i++) {
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printf("Setting mode %s\n", mode_names[i]);
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isl29125_set_mode(&dev, modes[i]);
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xtimer_usleep(SLEEP_USEC);
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isl29125_read_rgb_color(&dev, &data8bit);
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printf("RGB value: (%3i / %3i / %3i) 8 bit\n",
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data8bit.r, data8bit.g, data8bit.b);
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}
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puts("Resetting mode to RGB and reading continuously");
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isl29125_set_mode(&dev, ISL29125_MODE_RGB);
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xtimer_usleep(SLEEP_USEC);
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while (1) {
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isl29125_read_rgb_lux(&dev, &data);
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printf("RGB value: (%5i / %5i / %5i) lux\n",
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(int)data.red, (int)data.green, (int)data.blue);
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xtimer_usleep(SLEEP_USEC);
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printf("IRQ-Status: %i \n", isl29125_read_irq_status(&dev));
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}
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return 0;
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}
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