I got this from the asynclabs wishield forum under completed projects... works great,
/*
- A simple sketch that uses WiServer to serve a web page !! that kim messed with.
*/
#include <WiServer.h>
#include <string.h>
#define WIRELESS_MODE_INFRA 1
#define WIRELESS_MODE_ADHOC 2
#define ledPin1 5
#define ledPin2 6
#define ledPin3 7
// Wireless configuration parameters ----------------------------------------
unsigned char local_ip[] = { 10,1,1,5}; // IP address of WiShield
unsigned char gateway_ip[] = { 192,168,1,1}; // router or gateway IP address
unsigned char subnet_mask[] = { 255,0,0,0}; // subnet mask for the local network
const prog_char ssid[] PROGMEM = { "DLINK"}; // max 32 bytes
unsigned char security_type = 0; // 0 - open; 1 - WEP; 2 - WPA; 3 - WPA2
// WPA/WPA2 passphrase
const prog_char security_passphrase[] PROGMEM = { "12345678"}; // max 64 characters
// WEP 128-bit keys
// sample HEX keys
prog_uchar wep_keys[] PROGMEM = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, // Key 0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Key 1
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Key 2
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // Key 3
};
// setup the wireless mode
// infrastructure - connect to AP
// adhoc - connect to another WiFi device
unsigned char wireless_mode = WIRELESS_MODE_INFRA;
unsigned char ssid_len;
unsigned char security_passphrase_len;
// End of wireless configuration parameters ----------------------------------------
boolean states[3]; //holds led states
char stateCounter; //used as a temporary variable
char tmpStrCat[64]; //used in processing the web page
char stateBuff[4]; //used in text processing around boolToString()
char numAsCharBuff[2];
char ledChange;
void boolToString (boolean test, char returnBuffer[4])
{
returnBuffer[0] = '\0';
if (test)
{
strcat(returnBuffer, "On");
}
else
{
strcat(returnBuffer, "Off");
}
}
void printStates()
{
for (stateCounter = 0 ; stateCounter < 3; stateCounter++)
{
boolToString(states[stateCounter], stateBuff);
Serial.print("State of ");
Serial.print(stateCounter);
Serial.print(": ");
Serial.println(stateBuff);
}
}
void writeStates()
{
//set led states
digitalWrite(ledPin1, states[0]);
digitalWrite(ledPin2, states[1]);
digitalWrite(ledPin3, states[2]);
}
// This is our page serving function that generates web pages
boolean sendPage(char* URL) {
Serial.println("Page printing begun");
printStates();
writeStates();
//check whether we need to change the led state
if (URL[1] == '?' && URL[2] == 'L' && URL[3] == 'E' && URL[4] == 'D') //url has a leading /
{
ledChange = (int)(URL[5] - 48); //get the led to change.
for (stateCounter = 0 ; stateCounter < 3; stateCounter++)
{
if (ledChange == stateCounter)
{
states[stateCounter] = !states[stateCounter];
Serial.print("Have changed ");
Serial.println(ledChange);
}
}
//after having change state, return the user to the index page.
WiServer.print("");
return true;
}
if (strcmp(URL, "/") == false) //why is this not true?
{
WiServer.print("Led switch");
WiServer.print("Please select the led state:\n");
for (stateCounter = 0; stateCounter < 3; stateCounter++) //for each led
{
numAsCharBuff[0] = (char)(stateCounter + 49); //as this is displayed use 1 - 3 rather than 0 - 2
numAsCharBuff[1] = '\0'; //strcat expects a string (array of chars) rather than a single character.
//This string is a character plus string terminator.
tmpStrCat[0] = '\0'; //initialise string
strcat(tmpStrCat, "<a href=?LED"); //start the string
tmpStrCat[12] = (char)(stateCounter + 48); //add the led number
tmpStrCat[13] = '\0'; //terminate the string properly for later.
strcat(tmpStrCat, ">Led ");
strcat(tmpStrCat, numAsCharBuff);
strcat(tmpStrCat, ": ");
boolToString(states[stateCounter], stateBuff);
strcat(tmpStrCat, stateBuff);
strcat(tmpStrCat, " "); //we now have something in the range of Led 0: Off
WiServer.print(tmpStrCat);
}
WiServer.print(" ");
return true;
}
}
void setup() {
// Initialize WiServer and have it use the sendMyPage function to serve pages
pinMode(ledPin1, OUTPUT);
pinMode(ledPin2, OUTPUT);
pinMode(ledPin3, OUTPUT);
Serial.begin(9600);
WiServer.init(sendPage);
states[0] = false;
states[1] = false;
states[2] = false;
}
void loop(){
// Run WiServer
WiServer.server_task();
delay(10);
}