add multiplexer

closes #81
2021-03-30 15:03:34 +02:00
parent 6b12c501a0
commit 21d282ee1b
10 changed files with 261 additions and 135 deletions
@@ -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;
+};