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62 lines
1.4 KiB
C
Executable File
62 lines
1.4 KiB
C
Executable File
/*
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* The MIT License (MIT)
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*
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* Author: Assam Boudjelthia
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* Copyright (c) 2018 Rohm Semiconductor.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <stdio.h>
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#include <signal.h>
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#include "bh1749.h"
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#include "upm_utilities.h"
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bool isStopped;
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#define SENSOR_ADDR 0x39
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#define I2C_BUS 0
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void signal_int_handler(int signo)
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{
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if (signo == SIGINT)
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isStopped = true;
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}
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void print_data(void *dev)
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{
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uint16_t result[5];
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bh1749_get_measurements((bh1749_context)dev, result);
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printf("R: %d, G: %d, B: %d, IR: %d, G2: %d\n", result[0],
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result[1], result[2], result[3], result[4]);
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bh1749_reset_interrupt(dev);
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}
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int main(int argc, char **argv)
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{
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signal(SIGINT, signal_int_handler);
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bh1749_context dev = bh1749_init(I2C_BUS, SENSOR_ADDR);
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if (!dev) {
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printf("bh1749_init() failed.\n");
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return -1;
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}
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bh1749_soft_reset(dev);
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bh1749_sensor_init(dev, INT_JUDGE_1, MEAS_240MS, RGB_GAIN_1X, IR_GAIN_1X, RED);
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bh1749_set_threshold_high(dev, 511);
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bh1749_enable_interrupt(dev);
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printf("Installing ISR\n");
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bh1749_install_isr(dev, MRAA_GPIO_EDGE_FALLING, 33, &print_data, (void *)dev);
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bh1749_enable(dev);
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while(!isStopped) {
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upm_delay_ms(1000);
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}
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bh1749_close(dev);
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return 0;
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} |