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functions.ino
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void wifiDisconnect() {
WiFi.disconnect();
}
void wifiConnect(String sWifiSSID, String sWifiKey ) {
int counter = 0;
char cSSID [32];
char cKey [32];
sWifiSSID.toCharArray(cSSID,32);
sWifiKey.toCharArray(cKey,32);
// delay(100); // ----RSDELAYCONN
// loadCredentials();
// delay(100); // ----RSDELAYCONN
// Serial.println("Wifi-Connect ");
Serial.println(sWifiSSID);
// Serial.println(sWifiKey);
// Serial.println();
WiFi.disconnect();
WiFi.mode(WIFI_STA);
WiFi.begin ( cSSID, cKey );
WiFi.mode(WIFI_STA);
while (WiFi.status() != WL_CONNECTED) {
// Serial.print("Wifi-Status ");
// Serial.println(WiFi.status());
delay(50);
// Serial.print(".");
counter++;
if (counter >= 120) {
counter = 0; //sichtheits halber
// deepsleep();
break;
}
}
int connRes = WiFi.waitForConnectResult();
// Serial.print("Remote ");
// Serial.println(WiFi.localIP());
}
int getVersion(){
String response;
char c;
int res;
int state;
String url;
String searchtext ;
int batindex ;
String bat;
// http://10.5.5.9/camera_version
res=client.connect(host, httpPort);
delay(10);
if (!res) {
delay(10); // ----RSDELAY
Serial.println("GoPro failed - Status");
return 0;
}
for (int i=0;i<3;i++) {
url = "/gp/gpControl/camera_version";
Serial.println(url);
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
delay(100); // ----RSDELAY
response = " ";
while (client.available()) {
c = client.read();
response += c;
}
Serial.println(response);
if (response.length()>0){
break;
}
}
}
int updateState(int camera){
String response;
char c;
int res;
int state;
String url;
String searchtext ;
int batindex ;
String bat;
res=client.connect(host, httpPort);
////////////////////////////////////////////////////////
// GET STATUS
///////////////////////////////////////////////////////
for (int i=0;i<3;i++) {
if (0==0) { // HERO 4+
url = "/gp/gpControl/status";
} else { // HERO 3
url = "/camera/sx?t="+wifiPassword;
}
Serial.println(url);
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
delay(100); // ----RSDELAY
response = "a";
while (client.available()) {
c = client.read();
response += c;
}
if (0==0) { // HERO 4+
searchtext = response.substring(156);
batindex = searchtext.indexOf(':',42);
bat = searchtext.substring(batindex+1, batindex+2);
} else { // HERO 3
bat = response.substring(42,42);
}
Serial.print(" B:");
Serial.println(bat);
Serial.println(response);
if (bat == "0") {
state = 1;
break;
}
if (bat == "1") {
state = 0;
break;
}
}
return state;
}
int getState(){
String response;
char c;
int res;
int state;
String url;
String searchtext ;
int batindex ;
String bat;
res=client.connect(host, httpPort);
////////////////////////////////////////////////////////
// GET STATUS
///////////////////////////////////////////////////////
for (int i=0;i<3;i++) {
if (0==0) { // HERO 4+
url = "/gp/gpControl/status";
} else { // HERO 3
url = "/camera/sx?t="+wifiPassword;
}
Serial.println(url);
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
delay(100); // ----RSDELAY
response = "a";
while (client.available()) {
c = client.read();
response += c;
}
if (0==0) { // HERO 4+
searchtext = response.substring(156);
batindex = searchtext.indexOf(':',42);
bat = searchtext.substring(batindex+1, batindex+2);
} else { // HERO 3
bat = response.substring(42,42);
}
Serial.print(" B:");
Serial.println(bat);
Serial.println(response);
if (bat == "0") {
state = 1;
break;
}
if (bat == "1") {
state = 0;
break;
}
}
return state;
}
void trigger(int newstate){ // TRIGGER START
String response;
char c;
int res;
String url;
res=client.connect(host, httpPort);
delay(100); // ----RSDELAYMAYBE
if (BEEP) {
if (!client.connect(host, httpPort)) {
Serial.println("connection failed - BEEPON");
return;
}
url = "/gp/gpControl/setting/56/0";
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
delay(100); // ----RSDELAYMAYBE
}
// TRIGGER
if (!client.connect(host, httpPort)) {
Serial.println("connection failed - TRIGGER");
return;
}
url = "/gp/gpControl/command/shutter?p=";
url += newstate;
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
if (BEEP) {
if (!client.connect(host, httpPort)) {
Serial.println("connection failed - BEEPON");
return;
}
url = "/gp/gpControl/setting/56/2";
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
}
delay(100); // ----RSDELAYMAYBE
} // TRIGGER END
void wifiScan() {
String sSSID;
detected=0;
M5.Lcd.fillScreen(TFT_BLACK);
M5.Lcd.setCursor(20, 36);
M5.Lcd.println("Scanning wifi...");
Serial.println("scan start");
WiFi.mode(WIFI_STA);
WiFi.disconnect();
delay(50);
// WiFi.scanNetworks will return the number of networks found
int n = WiFi.scanNetworks();
Serial.println("scan done");
if (n == 0) {
Serial.println("no networks found");
M5.Lcd.println("no networks found");
} else {
Serial.print(n);
Serial.println(" networks found");
for (int i = 0; i < n; ++i) {
if (i%10==0) {
if(i>0) delay (1000);
M5.Lcd.fillScreen(TFT_BLACK);
M5.Lcd.setCursor(0, 0);
}
// Print SSID and RSSI for each network found
/*
Serial.print(i + 1);
Serial.print(": ");
Serial.print(WiFi.SSID(i));
Serial.print(" (");
Serial.print(WiFi.RSSI(i));
Serial.print(")");
Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*");
M5.Lcd.print (i+1);
M5.Lcd.print (":");
M5.Lcd.print(WiFi.SSID(i));
M5.Lcd.print(" (");
M5.Lcd.print(WiFi.RSSI(i));
M5.Lcd.print(")");
M5.Lcd.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*");
*/
sSSID=WiFi.SSID(i);
if ((WiFi.SSID(i).length() > wifiPrefix.length()) && (detected < MAXGOPROS)) {
if (WiFi.SSID(i).substring(0,wifiPrefix.length())==wifiPrefix) {
gpSSIDs[detected]=WiFi.SSID(i);
gpRSSIs[detected]=WiFi.RSSI(i);
detected++;
}
}
// delay(10);
}
}
// Serial.println("");
}
void wifiDisplay(){
wifiState=false;
if (detected == 0) {
M5.Lcd.fillScreen(TFT_BLACK);
M5.Lcd.setCursor(0, 0);
Serial.println("no devices found");
M5.Lcd.println("no devices found");
} else {
for (int i = 0; i < detected; ++i) {
wifiConnect( gpSSIDs[i], wifiPassword );
delay(100);
gpVersion[i]=getVersion();
gpStates[i]=getState();
wifiDisconnect();
}
M5.Lcd.fillScreen(TFT_BLACK);
M5.Lcd.setCursor(0, 0);
for (int i = 0; i < detected; ++i) {
String ssid=gpSSIDs[i];
unsigned int pos = wifiPrefix.length();
M5.Lcd.print(i+1);
M5.Lcd.print(": ");
M5.Lcd.print( ssid.substring(pos) );
M5.Lcd.print(" ");
if (!gpStates[i]) {
M5.Lcd.fillRect(75,i*8,10,8, TFT_RED);
M5.Lcd.setCursor(77,i*8);
M5.Lcd.print("R");
wifiState=true;
}
M5.Lcd.println("");
long color = TFT_RED;
if (abs(gpRSSIs[i])<90) color=TFT_YELLOW;
if (abs(gpRSSIs[i])<85) color=TFT_GREEN;
M5.Lcd.fillRect(90,i*8, (100-abs(gpRSSIs[i])*2),7, color);
}
if (wifiState) {
digitalWrite(LED_PIN,LOW);
} else {
digitalWrite(LED_PIN,HIGH);
}
// delay(1000);
}
}