Diff: Wifly.cpp

Revision:

0:2f38aaabc810

Child:

4:06ca04e2e279

diff -r 000000000000 -r 2f38aaabc810 Wifly.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Wifly.cpp	Fri Aug 12 11:20:42 2011 +0000
@@ -0,0 +1,318 @@
+#include "mbed.h"
+#include "Wifly.h"
+#include <string>
+
+
+
+
+
+
+Wifly::Wifly(   PinName tx, PinName rx, PinName _reset, char * ssid, char * phrase, 
+                bool wpa, char * ip, char * netmask, bool dhcp, int baudrate, int bits,Serial::Parity parity,
+                int stop_bits): wifi(tx, rx), reset_pin(_reset)
+{
+    wifi.baud(baudrate);
+    reset_pin = 1;
+    wifi.format(bits, parity, stop_bits);
+    this->wpa = wpa;
+    this->phrase = phrase;
+    this->ssid = ssid;
+    this->ip = ip;
+    this->netmask = netmask;
+    this->dhcp = dhcp;
+    adhoc = false;
+}
+
+
+
+
+
+Wifly::Wifly(   PinName tx, PinName rx, PinName _reset, char * ssid, char * ip, char * netmask, int channel, 
+                int baudrate, int bits,Serial::Parity parity,int stop_bits): wifi(tx, rx), reset_pin(_reset)
+{
+    wifi.baud(baudrate);
+    reset_pin = 1;
+    wifi.format(bits, parity, stop_bits);
+    adhoc = true;
+    this->ssid = ssid;
+    this->ip = ip;
+    this->netmask = netmask;
+    this->channel = channel;
+}
+
+
+
+
+
+
+bool Wifly::Send(char * str, char * ACK) {
+
+    //We flush the buffer
+    while(wifi.readable())
+        //printf("%c",wifi.getc());
+        wifi.getc();
+    
+    char read;
+    
+    size_t found = string::npos;
+    
+    if (!strcmp(ACK, "NO"))
+        wifi.printf("%s", str);
+    else
+    {
+        Timer tmr;
+        tmr.start();
+        wifi.printf("%s", str);
+        string checking;
+        while (1)
+        {
+            if(tmr.read() > 3)
+            {
+                //printf("checking: %s\r\n", checking);
+                return false;
+            }
+            else if(wifi.readable())
+            {
+                read = wifi.getc();
+                if ( read != '\r' && read != '\n')
+                {
+                    checking += read;
+                    found = checking.find(ACK);
+                    if(found != string::npos)
+                    {
+                        //printf("checking: %s\r\n", checking);
+                        break;
+                    }
+                }
+            }
+        }
+        return (found != string::npos);
+    }
+    return true;
+}
+
+bool Wifly::Join()
+{
+    char cmd[30];
+    
+    exit();
+    
+    if(!CmdMode())
+    {
+        printf("join: cannot enter in cmd mode\r\n");
+        exit();
+        return false;  
+    }
+    
+    //auth
+    if(!Send("set wlan auth 3\r\n", "AOK"))
+    {
+        printf("join: cannot set auth\r\n");
+        exit();
+        return false;
+    }
+    
+    //dhcp
+    sprintf(cmd, "set ip dhcp %d\r\n", (dhcp) ? 1 : 0);
+    if(!Send(cmd, "AOK"))
+    {
+        printf("join: cannot set dhcp\r\n");
+        exit();
+        return false;
+    }
+    
+    if(!dhcp)
+    {
+        printf("not dhcp\r\n");
+        sprintf(cmd, "set ip address %s\r\n", ip);
+        if(!Send(cmd, "AOK"))
+        {
+            printf("Wifly::Join: cannot set ip address\r\n");
+            exit();
+            return false;
+        }
+    
+        sprintf(cmd, "set ip netmask %s\r\n", netmask);
+        if(!Send(cmd, "AOK"))
+        {
+            printf("Wifly::join: cannot set netmask\r\n");
+            exit();
+            return false;
+        }
+    
+    }
+    
+    //key step
+    if(wpa)
+        sprintf(cmd, "set wlan phrase %s\r\n", phrase);
+    else
+        sprintf(cmd, "set wlan key %s\r\n", phrase);
+    
+    if(!Send(cmd, "AOK"))
+    {
+        printf("join: cannot set phrase\r\n");
+        exit();
+        return false;
+    }
+    
+        
+    
+    //join the network
+    sprintf(cmd, "join %s\r\n", ssid);
+    
+    if(!Send(cmd, "IP="))
+    {
+        printf("join: cannot join %s\r\n", ssid);
+        exit();
+        return false;
+    }
+    exit();
+    printf("\r\nssid: %s\r\nphrase: %s\r\nsecurity: %s\r\n\r\n", this->ssid, this->phrase, (wpa) ? "WPA" : "WEP");
+    return true;
+    
+}
+
+
+bool Wifly::CreateAdhocNetwork()
+{
+    if(adhoc)
+    {
+        char cmd[50];
+        
+        exit();
+    
+        if(!CmdMode())
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot enter in cmd mode\r\n");
+            exit();
+            return false;  
+        }
+    
+        if(!Send("set wlan join 4\r\n", "AOK"))
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot set join 4\r\n");
+            exit();
+            return false;
+        }
+    
+        //ssid
+        sprintf(cmd, "set wlan ssid %s\r\n", ssid);
+        if(!Send(cmd, "AOK"))
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot set ssid\r\n");
+            exit();
+            return false;
+        }
+    
+        sprintf(cmd, "set wlan channel %d\r\n", channel);
+        if(!Send(cmd, "AOK"))
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot set channel\r\n");
+            exit();
+            return false;
+        }
+    
+        sprintf(cmd, "set ip address %s\r\n", ip);
+        if(!Send(cmd, "AOK"))
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot set ip address\r\n");
+            exit();
+            return false;
+        }
+    
+        sprintf(cmd, "set ip netmask %s\r\n", netmask);
+        if(!Send(cmd, "AOK"))
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot set netmask\r\n");
+            exit();
+            return false;
+        }
+    
+        if(!Send("set ip dhcp 0\r\n", "AOK"))
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot set dhcp off\r\n");
+            exit();
+            return false;
+        }
+    
+        if(!Send("save\r\n", "Stor"))
+        {
+            printf("Wifly::CreateAdhocNetwork: cannot save\r\n");
+            exit();
+            return false;
+        }
+    
+        Send("reboot\r\n", "NO");
+        printf("\r\ncreating an adhoc\r\nnetwork: %s\r\nip: %s\r\nnetmask: %s\r\nchannel: %d\r\n\r\n", ssid, ip, netmask, channel);
+        return true;
+    }
+    else
+    {
+        printf("Wifly::join: You don't chose the right constructor for creating an adhoc mode!\r\n");
+        return false;
+    }
+}
+
+bool Wifly::CmdMode() 
+{
+    int i = 0;
+    while(!Send("$$$", "CMD"))
+    {
+        printf("Wifly::CmdMode: cannot enter in cmd mode\r\n");
+        i++;
+        if ( i == 4 ) return false;
+    }
+    return true;
+}
+
+
+
+
+void Wifly::reset()
+{
+    reset_pin = 0;
+    wait(0.2);
+    reset_pin = 1;
+    wait(0.2);
+}
+
+
+
+
+
+
+void Wifly::putc(char c)
+{
+    wifi.putc(c);
+}
+
+
+
+
+void Wifly::read(char * str) 
+{
+    wifi.scanf("%s", str);
+}
+
+
+
+
+bool Wifly::exit() 
+{
+    return Send("exit\r", "EXIT");
+}
+
+
+
+bool Wifly::readable()
+{
+    return(wifi.readable());
+}
+
+
+
+
+char Wifly::getc()
+{
+    return(wifi.getc());
+}
\ No newline at end of file