add multiplexer

closes #81

src/components/Blockly/generator/index.js

@@ -1,24 +1,23 @@
-import './generator';
-import './loops';
-import './sensebox-sensors';
-import './sensebox-telegram';
-import './sensebox-osem';
-import './sensebox-web';
-import './sensebox-display';
-import './sensebox-lora';
-import './sensebox-led';
-import './sensebox-sd';
-import './mqtt';
-import './logic';
-import './text';
-import './math';
-import './map';
-import './io';
-import './audio';
-import './procedures';
-import './time';
-import './variables';
-import './lists';
-import './webserver';
-
-
+import "./generator";
+import "./loops";
+import "./sensebox-sensors";
+import "./sensebox-telegram";
+import "./sensebox-osem";
+import "./sensebox-web";
+import "./sensebox-display";
+import "./sensebox-lora";
+import "./sensebox-led";
+import "./sensebox-sd";
+import "./sensebox";
+import "./mqtt";
+import "./logic";
+import "./text";
+import "./math";
+import "./map";
+import "./io";
+import "./audio";
+import "./procedures";
+import "./time";
+import "./variables";
+import "./lists";
+import "./webserver";

src/components/Blockly/generator/sensebox.js

@@ -1,3 +1,38 @@
-import * as Blockly from 'blockly/core';
-import { Block } from 'blockly';
+import * as Blockly from "blockly/core";
 
+/*
+ * Multiplexer
+ */
+Blockly.Arduino.sensebox_multiplexer_init = function () {
+  // Blockly.Arduino.libraries_['library_spi'] = '#include <SPI.h>';
+  var nrChannels =
+    Blockly.Arduino.valueToCode(
+      this,
+      "nrChannels",
+      Blockly.Arduino.ORDER_ATOMIC
+    ) | 0;
+  var array = [];
+  for (var i = 0; i < nrChannels; i++) {
+    array.push(i);
+  }
+  Blockly.Arduino.libraries_["library_wire"] = "#include <Wire.h>";
+  Blockly.Arduino.definitions_[
+    "define_multiplexer"
+  ] = `byte multiplexAddress = 0x77;
+    byte channels[] = {${array}};`;
+  // Blockly.Arduino.setupCode_['sensebox_display_begin'] = 'senseBoxIO.powerI2C(true);\ndelay(2000);\ndisplay.begin(SSD1306_SWITCHCAPVCC, 0x3D);\ndisplay.display();\ndelay(100);\ndisplay.clearDisplay();';
+  var code = "";
+  return code;
+};
+
+Blockly.Arduino.sensebox_multiplexer_changeChannel = function () {
+  var channel = Blockly.Arduino.valueToCode(
+    this,
+    "Channel",
+    Blockly.Arduino.ORDER_ATOMIC
+  );
+  var code = `Wire.beginTransmission(0x77);
+  Wire.write(1 << channels[${channel - 1}]);
+  Wire.endTransmission();`;
+  return code;
+};