Update samples

IoT.js-Samples-DCO-1.0-Signed-off-by: Daeyeon Jeong [email protected]

Author: daeyeon

bridge-sample/README.md

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+/* Copyright 2018-present Samsung Electronics Co., Ltd. and other contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Bridge = require('bridge');
+
+function bridge_sample(){
+    this.bridge = new Bridge(native.MODULE_NAME);
+}
+
+bridge_sample.prototype.getResPath = function(){
+    return this.bridge.sendSync('getResPath', '');
+};
+
+bridge_sample.prototype.getSystemInfo = function(callback){
+    this.bridge.send('getSystemInfo', '', function(err, msg){
+        callback(err, msg);
+    });
+};
+
+bridge_sample.prototype.testThread = function(callback){
+    this.bridge.send('testThread', '', function(err, msg){
+        callback(err, msg);
+    });
+};
+
+module.exports = new bridge_sample();

bridge-sample/js/bridge_sample.js

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+# Copyright 2018-present Samsung Electronics Co., Ltd. and other contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# General variables usable from IoT.js cmake:
+# - TARGET_ARCH - the target architecture (as specified during cmake step)
+# - TARGET_BOARD - the target board(/device)
+# - TARGET_OS - the target operating system
+#
+# Module related variables usable from IoT.js cmake:
+# - MODULE_DIR - the modules root directory
+# - MODULE_BINARY_DIR - the build directory for the current module
+# - MODULE_LIBS - list of libraries to use during linking (set this)
+set(MODULE_NAME "bridge_sample")
+
+# DO NOT include the source files which are already in the modules.json file.
+
+# If the module builds its own files into a lib please use the line below.
+# Note: the subdir 'lib' should contain the CMakeLists.txt describing how the
+#  module should be built.
+#add_subdirectory(${MODULE_DIR}/lib/ ${MODULE_BINARY_DIR}/${MODULE_NAME})
+
+# If you wish to link external libraries please add it to
+# the MODULE_LIBS list.
+#
+# IMPORTANT!
+#  if the module builds its own library that should also be specified!
+#
+# Example (to add the 'demo' library for linking):
+#
+#  list(APPEND MODULE_LIBS demo)

bridge-sample/module.cmake

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+{
+  "modules": {
+    "bridge_sample": {
+      "js_file": "js/bridge_sample.js",
+      "native_files": ["src/iotjs_bridge_sample.c"],
+      "init": "InitBridgeSample",
+      "cmakefile": "module.cmake",
+      "require": ["bridge"]
+    }
+  }
+}

bridge-sample/modules.json

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+/* Copyright 2018-present Samsung Electronics Co., Ltd. and other contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "iotjs_def.h"
+#include "modules/iotjs_module_bridge.h"
+
+
+char* iotjs_bridge_sample_getSystemInfo(const char* message) {
+  return "{'OS':'tizen'}";
+}
+
+void thread1_worker(void* return_handle) {
+  uv_sleep(500);
+  iotjs_bridge_set_msg(return_handle, "{'return':'from thread..'}");
+}
+
+void iotjs_bridge_sample_func(const char* command, const char* message,
+                              void* return_handle) {
+  char* result = 0;
+  if (strncmp(command, "getSystemInfo", strlen("getSystemInfo")) == 0) {
+    result = iotjs_bridge_sample_getSystemInfo(message);
+    if (result == 0) {
+      iotjs_bridge_set_err(return_handle, "Can't get the resource path");
+    } else {
+      iotjs_bridge_set_msg(return_handle, result);
+    }
+  } else if (strncmp(command, "testThread", strlen("testThread")) == 0) {
+    uv_thread_t thread1;
+    uv_thread_create(&thread1, thread1_worker, return_handle);
+  } else if (strncmp(command, "getResPath", strlen("getResPath")) == 0) {
+    iotjs_bridge_set_msg(return_handle, "res/");
+  } else {
+    iotjs_bridge_set_err(return_handle, "Can't find command");
+  }
+}
+
+/**
+ * Init method called by IoT.js
+ */
+jerry_value_t InitBridgeSample() {
+  char* module_name = "bridge_sample";
+  jerry_value_t mymodule = jerry_create_object();
+  iotjs_jval_set_property_string_raw(mymodule, IOTJS_MAGIC_STRING_MODULE_NAME,
+                                     module_name);
+  iotjs_bridge_register(module_name, iotjs_bridge_sample_func);
+  return mymodule;
+}

bridge-sample/src/iotjs_bridge_sample.c

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+/* Copyright 2018-present Samsung Electronics Co., Ltd. and other contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var bridgeSample = require('bridge_sample');
+
+
+console.log('TestApp: getResPath(): ' + bridgeSample.getResPath());
+
+
+bridgeSample.testThread(function(err, msg) {
+    console.log('TestApp: testThread(): err: ' + err + '  msg: ' + msg);
+});
+
+bridgeSample.getSystemInfo(function(err, msg) {
+    console.log('TestApp: getSystemInfo(): err: ' + err + '  msg: ' + msg);
+});

bridge-sample/test.js

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+/* Copyright 2017-present Samsung Electronics Co., Ltd. and other contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Description:
+ *
+ * Plays Bethovens Fur Elise using PWM
+ *
+ * Usage:
+ *
+ * To run this sample please connect a low-power speaker, like a buzzer
+ * (piezoelectric speaker), negative feed (-) to GND and positive feed (+) to
+ * pin 7 on Artik053 CON703, and run the code by executing
+ *
+ * $ iotjs play.js
+ *
+ */
+
+var pwm = require('pwm'),
+  // note indexes definition
+  // please remember that D# is same as Bb here
+  notes = {
+    "C": 0,
+    "C#": 1,
+    "D": 2,
+    "D#": 3,
+    "E": 4,
+    "F": 5,
+    "F#": 6,
+    "G": 7,
+    "G#": 8,
+    "A": 9,
+    "Bb": 10,
+    "B": 11
+  },
+  // note frequencies
+  frequencies = [
+    //C, C#, D, Eb, E, F, F#, G, G#, A, Bb, B in ocatves from 0 to 8
+    [16.35, 17.32, 18.35, 19.45, 20.60, 21.83, 23.12, 24.50, 25.96, 27.50,
+      29.14, 30.87],
+    [32.70, 34.65, 36.71, 38.89, 41.20, 43.65, 46.25, 49.00, 51.91, 55.00,
+      58.27, 61.74],
+    [65.41, 69.30, 73.42, 77.78, 82.41, 87.31, 92.50, 98.00, 103.8, 110.0,
+      116.5, 123.5],
+    [130.8, 138.6, 146.8, 155.6, 164.8, 174.6, 185.0, 196.0, 207.7, 220.0,
+      233.1, 246.9],
+    [261.6, 277.2, 293.7, 311.1, 329.6, 349.2, 370.0, 392.0, 415.3, 440.0,
+      466.2, 493.9],
+    [523.3, 554.4, 587.3, 622.3, 659.3, 698.5, 740.0, 784.0, 830.6, 880.0,
+      932.3, 987.8],
+    [1047, 1109, 1175, 1245, 1319, 1397, 1480, 1568, 1661, 1760, 1865, 1976],
+    [2093, 2217, 2349, 2489, 2637, 2794, 2960, 3136, 3322, 3520, 3729, 3951],
+    [4186, 4435, 4699, 4978, 5274, 5588, 5920, 6272, 6645, 7040, 7459, 7902]
+  ],
+  // fur elise notes
+  song = [
+    ["E6", 0.2], ["D#6", 0.2], ["E6", 0.2], ["D#6", 0.2], ["E6", 0.2],
+    ["B5", 0.2], ["D6", 0.2], ["C6", 0.2], ["A5", 0.2], ["A3", 0.2],
+    ["E4", 0.2], ["A4", 0.2], ["C5", 0.2], ["E5", 0.2], ["A5", 0.2],
+    ["E3", 0.2], ["B5", 0.2], ["E4", 0.2], ["G#4", 0.2], ["E5", 0.2],
+    ["G#5", 0.2], ["B5", 0.2], ["A3", 0.2], ["C6", 0.2], ["E4", 0.2],
+    ["A4", 0.2], ["E5", 0.2], ["E6", 0.2], ["E6", 0.2], ["D#6", 0.2],
+    ["D#6", 0.2], ["E6", 0.2], ["E6", 0.2], ["D#6", 0.2], ["D#6", 0.2],
+    ["E6", 0.2], ["E6", 0.2], ["B5", 0.2], ["B5", 0.2], ["D6", 0.2],
+    ["D6", 0.2], ["C6", 0.2], ["C6", 0.2], ["A3", 0.2], ["A5", 0.2],
+    ["A5", 0.2], ["E4", 0.2], ["A4", 0.2], ["C5", 0.2], ["E5", 0.2],
+    ["A5", 0.2], ["E3", 0.2], ["B5", 0.2], ["E4", 0.2], ["G#4", 0.2],
+    ["E5", 0.2], ["C6", 0.2], ["B5", 0.2], ["A5", 0.2], ["A3", 0.2],
+    ["E4", 0.2], ["A4", 0.2], ["B5", 0.2], ["C6", 0.2], ["D6", 0.2],
+    ["C4", 0.2], ["E6", 0.2], ["G4", 0.2], ["C5", 0.2], ["G5", 0.2],
+    ["F6", 0.2], ["E6", 0.2], ["G3", 0.2], ["D6", 0.2], ["G4", 0.2],
+    ["B4", 0.2], ["F5", 0.2], ["E6", 0.2], ["D6", 0.2], ["A3", 0.2],
+    ["C6", 0.2], ["E4", 0.2], ["A4", 0.2], ["E5", 0.2], ["D6", 0.2],
+    ["C6", 0.2], ["E3", 0.2], ["B5", 0.2], ["E4", 0.4],
+    ["E5", 0.2], ["E6", 0.2], ["E5", 0.4], ["E6", 0.2],
+    ["E7", 0.2], ["D#6", 0.2], ["E6", 0.2], ["D#6", 0.2], ["E6", 0.2],
+    ["D#6", 0.2], ["E6", 0.2], ["D#6", 0.2], ["E6", 0.2], ["D#6", 0.2],
+    ["E6", 0.2], ["D#6", 0.2], ["E6", 0.2], ["B5", 0.2], ["D6", 0.2],
+    ["C6", 0.2], ["A3", 0.2], ["A5", 0.2], ["E4", 0.2], ["A4", 0.2],
+    ["C5", 0.2], ["E5", 0.2], ["A5", 0.2], ["E3", 0.2], ["B5", 0.2],
+    ["E4", 0.2], ["G#4", 0.2], ["E5", 0.2], ["G#5", 0.2], ["B5", 0.2],
+    ["A3", 0.2], ["C6", 0.2], ["E4", 0.2], ["A4", 0.2], ["E5", 0.2],
+    ["E6", 0.2], ["D#6", 0.2], ["E6", 0.2], ["D#6", 0.2], ["E6", 0.2],
+    ["B5", 0.2], ["D6", 0.2], ["C6", 0.2], ["A3", 0.2], ["A5", 0.2],
+    ["E4", 0.2], ["A4", 0.2], ["C5", 0.2], ["E5", 0.2], ["A5", 0.2],
+    ["E3", 0.2], ["B5", 0.2], ["E4", 0.2], ["G#4", 0.2], ["E5", 0.2],
+    ["C6", 0.2], ["B5", 0.2], ["A3", 0.2], ["A5", 0.2], ["E4", 0.2],
+    ["A4", 0.8]
+  ],
+  log_enable = true,
+  device = null;
+
+// log only when log_enable flag is set to true
+function log(/*...args*/) {
+  if (log_enable) {
+    console.log.apply(console, [].slice.call(arguments));
+  }
+}
+
+// extracts frequency from freq array based on supplied note
+function note2freq(noteStr) {
+  var matches = noteStr.match(/([a-zA-Z\#]+)([0-9]+)/i),
+    freq = 0;
+
+  if (matches && matches.length === 3) {
+    return frequencies[parseInt(matches[2], 10)][notes[matches[1]]];
+  }
+
+  return 0;
+}
+
+// sets pwm period and runs callback after specified length of time
+function setPeriod(period, length, callback) {
+  log('period: ' + period + ', length: ' + length + ' ms');
+  device.setPeriod(period, function (err) {
+    if (err) {
+      callback(err);
+    } else {
+      setTimeout(callback, length);
+    }
+  });
+}
+
+// plays each note of song recursively and runs callback on end
+function playSong(song, callback, currentNote) {
+  var idx = currentNote === undefined ? 0 : currentNote,
+    freq = 0;
+  if (idx < song.length) {
+    freq = note2freq(song[idx][0]);
+    // period = 1 second / frequency
+    setPeriod(freq !== 0 ? 1 / freq : 0.5, 1000 * song[idx][1],
+             playSong.bind(null, song, callback, ++idx));
+  } else {
+    callback();
+  }
+}
+
+device = pwm.open({
+  pin: 0,
+  dutyCycle: 0.5,
+  period: 1 / 10
+}, function (err) {
+  if (err) {
+    log('could not open pwm device: ' + err);
+  } else {
+    device.setEnableSync(true);
+    log('playing song');
+    playSong(song, function () {
+      device.close(function (err) {
+        if (err) {
+          log('error while closing device: ' + err);
+        } else {
+          log('done');
+        }
+      });
+    });
+  }
+});