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Lumix.cpp
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Lumix.cpp
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#include "Lumix.h"
Lumix::Lumix(String ip){
this->ip = ip;
connectionStatus = 0;
deviceName = "";
lastKeepAlive = 0;
infoUpdatedFlag = true;
}
bool Lumix::infoUpdated(){
if(infoUpdatedFlag){
infoUpdatedFlag = false;
return true;
}
return false;
}
void Lumix::updateDeviceName(String deviceName){
this->deviceName = deviceName;
infoUpdatedFlag = true;
}
void Lumix::updateConnectionStatus(int connectionStatus){
this->connectionStatus = connectionStatus;
infoUpdatedFlag = true;
}
void Lumix::updateIp(String ip){
this->ip = ip;
connectionStatus = CAMERA_CONNECTING;
deviceName = "";
infoUpdatedFlag = true;
}
bool Lumix::isConnected(){
return connectionStatus == CAMERA_CONNECTED;
}
bool Lumix::isConnecting(){
return connectionStatus == CAMERA_CONNECTING;
}
bool Lumix::isDisabled(){
return connectionStatus == CAMERA_DISABLED;
}
void Lumix::update(){
if((millis()-lastKeepAlive) > LUMIX_KEEPALIVE_INTERVAL && !isDisabled()){
Serial.println("Sending Lumix Keep Alive");
if(!isConnected()){
sendCommand("?mode=accctrl&type=req_acc&value=0&value2=LumixStick");
}
sendCommand("?mode=camcmd&value=recmode");
lastKeepAlive = millis();
}
}
int Lumix::getConnectionStatus(){
return connectionStatus;
}
String Lumix::getFriendlyName(){
if(isConnected()){
return deviceName;
}else{
return ip;
}
}
String Lumix::getBaseUrl(){
return "http://" + ip + "/cam.cgi";
}
String Lumix::getCaptureUrl(){
return "http://" + ip + "/cam.cgi?mode=camcmd&value=capture";
}
//this assumed what you are passing is the bit after cam.cgi ex. "?mode=camcmd&value=recmode"
void Lumix::sendCommand(String paramString){
String commandUrl = "http://" + ip + "/cam.cgi" + paramString;
Serial.println("Sending request: " + commandUrl);
HTTPClient http;
http.setConnectTimeout(100);
http.begin(commandUrl.c_str());
int httpResponseCode = http.GET();
if(httpResponseCode == 200){
String payload = http.getString();
if(payload.indexOf("ok") >= 0){
if(paramString.indexOf("req_acc") >= 0 && isConnecting()){
updateDeviceName(getSplitStringIndex(payload,',',1));
updateConnectionStatus(CAMERA_CONNECTED);
}
}else{
if(isConnected()){
updateConnectionStatus(CAMERA_CONNECTING);
}
}
}
else {
//Some other error either way we didn't get an "ok" back from the camera
if(isConnected()){
updateConnectionStatus(CAMERA_CONNECTING);
}
}
}
// https://stackoverflow.com/questions/9072320/split-string-into-string-array
String Lumix::getSplitStringIndex(String data, char separator, int index)
{
int found = 0;
int strIndex[] = {0, -1};
int maxIndex = data.length()-1;
for(int i=0; i<=maxIndex && found<=index; i++){
if(data.charAt(i)==separator || i==maxIndex){
found++;
strIndex[0] = strIndex[1]+1;
strIndex[1] = (i == maxIndex) ? i+1 : i;
}
}
return found>index ? data.substring(strIndex[0], strIndex[1]) : "";
}