int joinNetwork(){ ///More Testing
int retries;
int offset;
int result;
if(inCommandMode == -1){
result = enterCommandMode();
if(result == -1)
return -1;
else
inCommandMode = 1;
}
for(retries = 0; retries < RETRY_ATTEMPTS; retries++){
sendString(JOIN_BOONDOCKS, 15);
longDelay();
sendString(SHOW_CONNECTION, 7);
longDelay();
if(Txdata[0] != NULL){
if(Txdata[2] == '3'){
result = exitCommandMode();
while(result != 1){
result = exitCommandMode();
}
return 1;
}
}
}
result = exitCommandMode();
return -1;
}
boolean WiFlyDevice::join(const char *ssid) {
/*
*/
// TODO: Handle other authentication methods
// TODO: Handle escaping spaces/$ in SSID
// TODO: Allow for timeout?
// TODO: Do we want to set the passphrase/key to empty when they're
// not required? (Probably not necessary as I think module
// ignores them when they're not required.)
bool joined = false;
String command = "join ";
command += ssid;
char charBuf[command.length()+1];
if (commandModeFlag)
{
exitCommandMode();
}
enterCommandMode();
command.toCharArray(charBuf, command.length()+1);
joined=sendCommand(charBuf,false,"Associated!");
// TODO: Actually detect failure to associate
// TODO: Handle connecting to Adhoc device
exitCommandMode();
return joined;
}
/**
* @brief Checks the connection status
* @returns Conn status as four chars, in this hex format: 8XYZ
*/
const char * WiFlyDevice::getConnectionStatus()
{
static char status[4]="";
char newChar;
byte offset = 0;
if (commandModeFlag) {
exitCommandMode();
}
enterCommandMode();
if(sendCommand("show c ",false,"8"))
{
while (offset < 4)
{
newChar = uart->read();
if (newChar != -1)
{
status[offset] = newChar;
offset++;
}
}
status[3]=0;
}
exitCommandMode();
return status;
}
boolean WiFlyDevice::setWakeSleepTimers( int _wakeTimer, int _sleepTimer)
{
boolean timerSet=false;
String cmd1="set sys wake ";
String cmd2="set sys sleep ";
if(_sleepTimer!=0 && _wakeTimer==0)
{
// This would make the wifly never wake up!!!!!
timerSet=false;
}
else
{
if (commandModeFlag)
{
exitCommandMode();
}
enterCommandMode();
cmd1+=_wakeTimer;
char charBuf1[cmd1.length()+1];
cmd1.toCharArray(charBuf1, cmd1.length()+1);
boolean wakeOk=sendCommand(charBuf1,false,"AOK");
if(wakeOk)
{
cmd2+= _sleepTimer;
char charBuf2[cmd2.length()+1];
cmd2.toCharArray(charBuf2, cmd2.length()+1);
timerSet=sendCommand(charBuf2,false,"AOK");
}
}
sendCommand("save",false,"AOK");
exitCommandMode();
return timerSet;
}
void WiFlyDevice::sleepNow()
{
if (commandModeFlag)
{
exitCommandMode();
}
enterCommandMode();
sendCommand("sleep",false,"AOK");
exitCommandMode(); // Just in case, as the WiFly will sleep before reaching here.
}
void WiFlyDevice::useUDP()
{
if (commandModeFlag)
{
exitCommandMode();
}
enterCommandMode();
sendCommand("set ip protocol 1", false);
sendCommand("set ip localport 80", false);
exitCommandMode();
}
const char * WiFlyDevice::getIp(boolean pauseRequired)
{
static char ip[16] = "";
byte offset = 0;
if (enterCommandMode(pauseRequired) && sendCommand("get ip", "IP="))
{
while (offset < 15)
{
char character = uart.read();
LOG_READ(character);
if (character == ':')
{
ip[offset] = '\x00';
break;
}
else if (character != -1)
{
ip[offset] = character;
offset++;
}
}
}
ip[offset] = '\x00';
waitForPrompt();
exitCommandMode();
return ip;
}
/**
* @brief Get the version of the WiFly firmware
* @return Char with the version info
*/
const char* WiFlyDevice::getVersion()
{
const int versionLength=64;
// Allocate one extra space for the zero terminator.
static char version[versionLength+1] = { 0 };
enterCommandMode();
sendCommand("ver", false, VER_RESPONSE);
int offset = 0;
int readVal = 0;
while (offset < versionLength && readVal!='\n') {
readVal = uart->read();
if (readVal == -1) {
// Data not available; try again after brief delay.
delay(1);
continue;
}
else {
version[offset++] = readVal;
}
}
waitForResponse("<"); // This char appears in the beginning of the prompt
findInResponse(" "); // And with this we ignore the rest of the prompt
exitCommandMode();
return version;
}
boolean WiFlyDevice::join(const char *ssid, const char *passphrase, boolean isWPA)
{
String command="";
if (commandModeFlag)
{
exitCommandMode();
}
enterCommandMode();
// TODO: Handle escaping spaces/$ in passphrase and SSID
command="set wlan ";
if (isWPA) {
command += " passphrase ";
} else {
command += " key ";
}
command += passphrase;
// There must be a better way to convert string -> char[] in arduino... ?
char charBuf[command.length()+1];
command.toCharArray(charBuf, command.length()+1);
sendCommand(charBuf);
command="join ";
command += ssid;
char charBuf2[command.length()+1];
command.toCharArray(charBuf2, command.length()+1);
return sendCommand(charBuf2,false,"Associated!");
}
bool JPWiFly::finishCommand() {
DPRINT("finishCommand : ");
DPRINTLN(exitCommand);
if (exitCommand > 0 && --exitCommand == 0)
return exitCommandMode();
return true;
}
const char * WiFlyDevice::ip() {
/*
The return value is intended to be dropped directly
into calls to 'print' or 'println' style methods.
*/
static char ip[IP_ADDRESS_BUFFER_SIZE] = "";
// TODO: Ensure we're not in a connection?
enterCommandMode();
// Version 2.19 of the WiFly firmware has a "get ip a" command but
// we can't use it because we want to work with 2.18 too.
sendCommand(F("get ip"), false, "IP=");
char newChar;
byte offset = 0;
// Copy the IP address from the response into our buffer
while (offset < IP_ADDRESS_BUFFER_SIZE) {
newChar = uart->read();
if (newChar == ':') {
ip[offset] = '\x00';
break;
} else if (newChar != -1) {
ip[offset] = newChar;
offset++;
}
}
// This handles the case when we reach the end of the buffer
// in the loop. (Which should never happen anyway.)
// And hopefully this prevents us from failing completely if
// there's a mistake above.
ip[IP_ADDRESS_BUFFER_SIZE-1] = '\x00';
// This should skip the remainder of the output.
// TODO: Handle this better?
waitForResponse("<");
while (uart->read() != ' ') {
// Skip the prompt
}
// For some reason the "sendCommand" approach leaves the system
// in a state where it misses the first/next connection so for
// now we don't check the response.
// TODO: Fix this
exitCommandMode();
//uart->println("exit");
//sendCommand("exit", false, "EXIT");
return ip;
}
WiFlyDevice::Status WiFlyDevice::getStatus(boolean pauseRequired)
{
if (!enterCommandMode(pauseRequired) || !sendCommand("show c", "8"))
{
waitForPrompt();
exitCommandMode();
return StatusError;
}
char result[3] = {0, 0, 0};
for (int i=0; i<3;)
{
result[i] = uart.read();
LOG_READ(result[i]);
if (result[i] <= 0 || result[i] > 128) continue;
i++;
}
Status status;
if (strchr("02468ACEace", result[1]))
status = StatusNotAssociated;
else if (result[2] == '3')
status = StatusNoIp;
else if (result[2] == '4')
status = StatusConnecting;
else if (result[2] == '1')
status = StatusConnected;
else
status = StatusDisconnected;
waitForPrompt();
exitCommandMode();
return status;
}
