bh1749: Add examples for all languages

* Examples for C/C++/Python/Java/JavaScript
* Add Java example to CMakeLists

Signed-off-by: Assam Boudjelthia <assam.boudjelthia@fi.rohmeurope.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/c++/bh1749.cxx

@@ -0,0 +1,69 @@
+/*
+* The MIT License (MIT)
+*
+* Author: Assam Boudjelthia
+* Copyright (c) 2018 Rohm Semiconductor.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of
+* this software and associated documentation files (the "Software"), to deal in
+* the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+* the Software, and to permit persons to whom the Software is furnished to do so,
+* subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all
+* copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <iostream>
+#include <unistd.h>
+#include <stdexcept>
+#include <signal.h>
+#include <vector>
+#include "bh1749.hpp"
+#include "upm_utilities.h"
+
+bool isStopped;
+upm::BH1749 dev;
+
+void signal_int_handler(int signo)
+{
+    if (signo == SIGINT)
+        isStopped = true;
+}
+
+void PrintData(void *args)
+{
+	std::vector<uint16_t> result = dev.GetMeasurements();
+	std::cout << "R: " << result.at(0) <<
+				", G: " << result.at(1)  <<
+				", B: " << result.at(2)  <<
+				", IR: " << result.at(3)  <<
+				", G2: " << result.at(4)  << std::endl;
+	dev.ResetInterrupt();
+}
+
+int main(int argc, char **argv)
+{
+	signal(SIGINT, signal_int_handler);
+	dev.SoftReset();
+	dev.SensorInit(INT_JUDGE_1, MEAS_240MS, RGB_GAIN_1X, IR_GAIN_1X, RED);
+	dev.SetThresholdHigh(511);
+	std::cout << "Installing ISR" << std::endl;
+	dev.InstallISR(MRAA_GPIO_EDGE_FALLING, 33, &PrintData, NULL);
+	dev.EnableInterrupt();
+	dev.Enable();
+
+	while(!isStopped) {
+		upm_delay_ms(1000);
+	}
+
+	return 0;
+}

examples/c/bh1749.c

@@ -0,0 +1,73 @@
+/*
+* The MIT License (MIT)
+*
+* Author: Assam Boudjelthia
+* Copyright (c) 2018 Rohm Semiconductor.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of
+* this software and associated documentation files (the "Software"), to deal in
+* the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+* the Software, and to permit persons to whom the Software is furnished to do so,
+* subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all
+* copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <stdio.h>
+#include <signal.h>
+#include "bh1749.h"
+#include "upm_utilities.h"
+
+bool isStopped;
+#define SENSOR_ADDR 0x39
+#define I2C_BUS 0
+
+void signal_int_handler(int signo)
+{
+    if (signo == SIGINT)
+        isStopped = true;
+}
+
+void print_data(void *dev)
+{
+	uint16_t result[5];
+	bh1749_get_measurements((bh1749_context)dev, result);
+	printf("R: %d, G: %d, B: %d, IR: %d, G2: %d\n", result[0],
+			result[1], result[2], result[3], result[4]);
+	bh1749_reset_interrupt(dev);
+}
+
+int main(int argc, char **argv)
+{
+	signal(SIGINT, signal_int_handler);
+
+	bh1749_context dev = bh1749_init(I2C_BUS, SENSOR_ADDR);
+	if (!dev) {
+        printf("bh1749_init() failed.\n");
+        return -1;
+    }
+
+	bh1749_soft_reset(dev);
+	bh1749_sensor_init(dev, INT_JUDGE_1, MEAS_240MS, RGB_GAIN_1X, IR_GAIN_1X, RED);
+	bh1749_set_threshold_high(dev, 511);
+	bh1749_enable_interrupt(dev);
+	printf("Installing ISR\n");
+	bh1749_install_isr(dev, MRAA_GPIO_EDGE_FALLING, 33, &print_data, (void *)dev);
+	bh1749_enable(dev);
+
+	while(!isStopped) {
+		upm_delay_ms(1000);
+	}
+
+	bh1749_close(dev);
+	return 0;
+}

examples/java/BH1749_Example.java

@@ -0,0 +1,51 @@
+/*
+* The MIT License (MIT)
+*
+* Author: Assam Boudjelthia
+* Copyright (c) 2018 Rohm Semiconductor.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of
+* this software and associated documentation files (the "Software"), to deal in
+* the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+* the Software, and to permit persons to whom the Software is furnished to do so,
+* subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all
+* copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+public class BH1749_Example {
+
+    public static void main(String[] args) throws InterruptedException {
+		int sampleCounter = 10;
+		long waitTime;
+		upm_bh1749.BH1749 bh1749;
+		upm_bh1749.floatVector result;
+		
+		bh1749 = new upm_bh1749.BH1749();
+		bh1749.SensorInit(upm_bh1749.OPERATING_MODES.INT_JUDGE_1,
+			upm_bh1749.MEAS_TIMES.MEAS_240MS, upm_bh1749.RGB_GAINS.RGB_GAIN_1X,
+			upm_bh1749.IR_GAINS.IR_GAIN_1X, upm_bh1749.INT_SOURCES.RED);
+		bh1749.SetThresholdHigh(511);
+		bh1749.Enable();
+
+        waitTime = bh1749.GetMeasurementTime();
+		System.out.println("Color readings");
+        while (sampleCounter-- > 0) {
+            result = bh1749.GetMeasurements();
+			System.out.println("R: " + result.get(0) + ", G: " + result.get(1) +
+							", B: " + result.get(2) + ", IR: " + result.get(3) +
+							", G2: " + result.get(4));
+
+            Thread.sleep((long) waitTime);
+        }
+    }
+}

examples/java/CMakeLists.txt

@@ -74,6 +74,7 @@ add_example(Adxl345_Example adxl345)
 add_example(AM2315_Example am2315)
 add_example(APA102_Example apa102)
 add_example(Apds9002_Example apds9002)
+add_example(BH1749_Example bh1749)
 add_example(BH1750_Example bh1750)
 add_example(BH1792_Example bh1792)
 add_example(BISS0001_Example biss0001)

examples/javascript/bh1749.js

@@ -0,0 +1,57 @@
+/*
+* The MIT License (MIT)
+*
+* Author: Assam Boudjelthia
+* Copyright (c) 2018 Rohm Semiconductor.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of
+* this software and associated documentation files (the "Software"), to deal in
+* the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+* the Software, and to permit persons to whom the Software is furnished to do so,
+* subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all
+* copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+var bh1749 = require("jsupm_bh1749");
+
+var bh1749_sensor = new bh1749.BH1749();
+
+bh1749_sensor.SensorInit(
+	bh1749.INT_JUDGE_1,
+	bh1749.MEAS_240MS,
+	bh1749.RGB_GAIN_1X,
+	bh1749.IR_GAIN_1X,
+	bh1749.RED);
+bh1749_sensor.SetThresholdHigh(511);
+bh1749_sensor.Enable();
+
+var waitTime = bh1749_sensor.GetMeasurementTime();
+var counter = 10;
+console.log("Color readings: ");
+var interval = setInterval(function() {
+	data = bh1749_sensor.GetMeasurements();
+	console.log(
+		"R: " + data.get(0) + ", G: " + data.get(1) + ", B: " + data.get(2) +
+		", IR: " + data.get(3) + ", G2: " + data.get(4)
+	);
+	counter--;
+	if (counter == 0) {
+		clearInterval(interval);
+	}
+}, waitTime);
+
+process.on("SIGINT", function() {
+	clearInterval(interval);
+	console.log("Exiting...");
+	process.exit(0);
+});

examples/python/bh1749.py

@@ -0,0 +1,60 @@
+# The MIT License (MIT)
+#
+# Author: Assam Boudjelthia
+# Copyright (c) 2018 Rohm Semiconductor.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal in
+# the Software without restriction, including without limitation the rights to
+# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+# the Software, and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import time, sys, signal, atexit
+from upm import pyupm_bh1749
+
+
+def main():
+    bh1749_sensor = pyupm_bh1749.BH1749()
+
+    bh1749_sensor.SensorInit(pyupm_bh1749.INT_JUDGE_1,
+						pyupm_bh1749.MEAS_240MS,
+						pyupm_bh1749.RGB_GAIN_1X,
+						pyupm_bh1749.IR_GAIN_1X,
+						pyupm_bh1749.RED)
+    bh1749_sensor.SetThresholdHigh(511)
+
+    # Prevent stack printing on CTRL^C
+    def SIGINTHandler(signum, frame):
+        raise SystemExit
+
+    def exitHandler():
+        print("Exiting")
+        sys.exit(0)
+
+    atexit.register(exitHandler)
+    signal.signal(signal.SIGINT, SIGINTHandler)
+
+    sampleCounter = 10
+    waitTime = bh1749_sensor.GetMeasurementTime()
+    print("Color readings: ")
+    while sampleCounter > 0:
+        [r, g, b, ir, g2] = bh1749_sensor.GetMeasurements()
+        print ("R: %d, y: %d, G: %d, IR: %d, G2: %d" % (r, g, b, ir, g2))
+        
+        time.sleep(waitTime / 1000.0)
+        sampleCounter -= 1
+
+
+if __name__ == '__main__':
+    main()