From c4ee8bb732dc377166cc30bbfb22bcd37cc402c3 Mon Sep 17 00:00:00 2001
From: Elena ``of Valhalla'' Grandi <valhalla@trueelena.org>
Date: Fri, 24 Feb 2017 21:04:29 +0100
Subject: Added code to the slides

---
 slides/presentazione_espruino.rst | 122 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 118 insertions(+), 4 deletions(-)

(limited to 'slides')

diff --git a/slides/presentazione_espruino.rst b/slides/presentazione_espruino.rst
index fa06723..4f6a16f 100644
--- a/slides/presentazione_espruino.rst
+++ b/slides/presentazione_espruino.rst
@@ -118,17 +118,33 @@ Blink, seconda versione
 .. image:: img/blink_text.png
    :align: center
 
+------
+
+.. code:: javascript
+
+   var on = false;
+   setInterval(function() {
+     on = !on;
+     LED1.write(on);
+   }, 500);
+
 Bottoni
 -------
 
 .. image:: img/button.png
    :align: center
 
-Funzioni
---------
+------
 
-.. image:: img/function.png
-   :align: center
+.. code:: javascript
+
+   var on = false;
+   var change = function() {
+     on = !on;
+     LED1.write(on);
+     };
+
+   setWatch(change, BTN1, {repeat:true, edge:"rising"});
 
 DHT22
 -----
@@ -136,30 +152,105 @@ DHT22
 .. image:: img/dht22.png
    :align: center
 
+------
+
+.. code:: javascript
+
+   var dht = require("DHT22").connect(C11);
+
+   dht.read(function (data) {
+     console.log(
+       "Temp is " +
+       data.temp.toString() +
+       " and RH is " +
+       data.rh.toString());
+   });
+
 OLED
 ----
 
 .. image:: img/display.png
    :align: center
 
+------
+
+.. code:: javascript
+
+   function start() {
+     g.drawString("Hello World!",2,2);
+     g.flip();
+   }
+
+   I2C1.setup({scl:B6,sda:B7});
+   var g = require("SH1106").connect(I2C1, start);
+
 Saving and loading
 ------------------
 
 .. image:: img/display_interrupt.png
    :align: center
 
+------
+
+.. code:: javascript
+
+   function draw_screen(data) {
+     console.log("Drawing the screen with data");
+     console.log(data);
+     g.drawString("Espruino demo", 2, 2);
+     if (data) {
+       g.drawString("Temp: "+data.temp.toString(),2,10);
+       g.drawString("  RH: "+data.rh.toString(),2,18);
+     }
+     g.flip();
+   }
+
+------
+
+.. code:: javascript
+
+   function start() {
+     dht = require("DHT22").connect(C11);
+     I2C1.setup({scl:B6,sda:B7});
+     g = require("SH1106").connect(I2C1, draw_screen);
+   }
+
+   E.on('init', start);
+
+   start();
+
 Reading with a button
 ---------------------
 
 .. image:: img/temp_with_button.png
    :align: center
 
+------
+
+.. code:: javascript
+
+   setWatch(function(e) {
+     dht.read(draw_screen);
+   }, BTN, { repeat: true, edge: 'rising' });
+
 Lowering contrast
 -----------------
 
 .. image:: img/contast_with_button.png
    :align: center
 
+------
+
+.. code:: javascript
+
+   setWatch(function(e) {
+     g.setContrast(255);
+     dht.read(draw_screen);
+     setTimeout(function () {
+       g.setContrast(1);
+     }, 4000);
+   }, BTN, { repeat: true, edge: 'rising' });
+
 Setting the date
 ----------------
 
@@ -172,6 +263,29 @@ Logging data
 .. image:: img/logging_data.png
    :align: center
 
+------
+
+.. code:: javascript
+
+
+   function start() {
+     [...]
+     fs = require("fs");
+   }
+
+   setInterval(function() {
+     dht.read(function(data) {
+       entry = "- {time: " +
+       Date.now() +
+       ", temp: " +
+       data.temp.toString() +
+       ", rh: " +
+       data.rh.toString();
+       console.log("saving: " + entry);
+       fs.appendFileSync("temp_rh.yaml", entry);
+     });
+   }, 60000);
+
 Per proseguire
 --------------
 
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