mysql program

ETH_MYSQL/ETH_MYSQL.ino

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+/*
+  Arduino leonardo eth v3 and mysql 
+  This example demonstrates how to store data in a
+  table in mysql from 4 button connected to pins 2, 3, 4, 5 
+  For this, we will create a special database and table for testing.
+  The following are the SQL commands you will need to run in order to setup
+  your database for running this sketch.
+
+  CREATE DATABASE machine;
+  CREATE TABLE machine.state (
+    num integer primary key auto_increment,
+    message char(40),
+    recorded timestamp
+  );
+
+  Here we see one database and a table with three fields; a primary key that
+  is an auto_increment, a string, and a timestamp. This will demonstrate how
+  to save a date and time of when the row was inserted, which can help you
+  determine when data was recorded or updated.
+
+  INSTRUCTIONS FOR USE
+
+  1) Create the database and table as shown above.
+  2) Change the address of the server to the IP address of your MySQL server in my case my IP is 192.186.157.77
+  3) Change the user and password to a valid MySQL user and password in my case it is sa and 156444
+  4) install mysql library in your ide go to sketch > include library > manage library
+  and in the filter your search type mysql then install it
+  5) arduino leonardo use etehrnet2 library so you need to install it in your ide go to sketch > include library > manage library
+  and in the filter your search type ethernet2 then install it
+  6) also you need to modify this file MySQL_Packet.h the original created by Dr.Charles is - include <Ethernet.h> 
+  the new is - include <Ethernet2.h> otherwise it will give your error message and not compiled  
+  7) Connect a USB cable to your Arduino
+  8) Select the arduino leonardo eth board and port 
+  9) Compile and upload the sketch to your Arduino
+  10) connect 4 push button between ground and pins 2, 3, 4, 5 through 10k Ohm resistor 
+  11) After the sketch has run for some time , press some push buttons and open a mysql client and issue
+     the command: SELECT * FROM machine.state; to see the data
+     recorded. Note the field values and how the database handles both the
+     auto_increment and timestamp fields for us. You can clear the data with.
+      "DELETE FROM machine.state".
+
+  Note: The MAC on your board in back if not you can put any thing but make sure it is unique in your network .
+  Note your mysql default port address is 3306 but this will conflict with Skype so you can change it to 3307 in both your 
+  sketch and your Mysql and make sore this port is open in your server firewall .
+
+  Created by: Samir Mohamad tawfik 28-1-2018
+  samirtwf@gmail.com
+*/
+
+#include <Ethernet2.h>
+#include <MySQL_Connection.h>
+#include <MySQL_Cursor.h>
+
+byte mac_addr[] = { 0x90, 0xA2, 0xDA, 0x10, 0xBD, 0x8C };
+
+IPAddress server_addr(192,168,1,100);  // IP of the MySQL *server* here
+char user[] = "gateway";              // MySQL user login username
+char password[] = "password";        // MySQL user login password
+
+EthernetClient client;
+MySQL_Connection conn((Client *)&client);
+
+void setup() {
+  EthernetClass(mac_addr);
+   if (conn.connect(server_addr, 3306, user, password)) {
+    delay(1000);
+  }
+ }
+void loop() {
+  delay(1000);  
+  char INSERT_SQL[] = "INSERT INTO machine.state (message) VALUES ('machine one on')";
+  MySQL_Cursor *cur_mem = new MySQL_Cursor(&conn);
+  cur_mem->execute(INSERT_SQL);
+  delete cur_mem;
+  delay(1000); 
+ }