private void GetSensorReadings()
{
string pirCurrentState = "U";
EventData eventMessage;
//Message message;
MsgBody tmpMsg = new MsgBody(msg);
try
{
// Initialize if needed
if (pir == null)
{ // Assume that initialization is needed
InitGPIO();
}
if (pir != null)
{ // Only if we are intialized
// Get Current IP and MAC (May have changed!)
tmpMsg.ID = GetSensorId();
tmpMsg.Ip = GetCurrentIpv4Address();
// Check PIR Status (High == Movement)
// if it is high, then motion was detected
if (pir.Read() == GpioPinValue.High)
{
pirCurrentState = "O";
}
else
{
pirCurrentState = "F";
}
// Handle state changes with smoothing
if (pirCurrentState != state.PendingStatus || state.PendingStatus == "")
{ // A change. Start counting smoothing time. (Ie time with the same state required for change)
state.PendingStatusTime = DateTime.Now;
state.PendingStatus = pirCurrentState;
}
if (state.PendingStatus != tmpMsg.Status && // This is a Status change AND....
(tmpMsg.Status == "" || // this is the first run OR ...
(state.PendingStatus == "O" && (DateTime.Now - state.PendingStatusTime).TotalSeconds >= settings.timerStateOSmoothing) || // Pending status is "Occupied" and O-Smoothing-time has passed OR ...
(state.PendingStatus == "F" && (DateTime.Now - state.PendingStatusTime).TotalSeconds >= settings.timerStateFSmoothing)))
{ // Pending status is "Free" and F-Smoothing-time has passed
if (state.PendingStatus == "O")
{
LedSetState(ledRed, true); // Turn on RED LED
}
else
{
LedSetState(ledRed, false); // Turn off RED LED
}
tmpMsg.Status = state.PendingStatus; // Set the new status to the message
tmpMsg.Change = "T"; // This is a change of status (T)rue
// Create brokered message
eventMessage = new EventData(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(tmpMsg)));
//*checking message in consoleTONE* Console.WriteLine("{0} > Sending message: {1}", DateTime.Now, JsonConvert.SerializeObject(tmpMsg));
// Send to event hub
_eventHub.Send(eventMessage);
//SendDeviceToCloudMessagesAsync(tmpMsg);
// Save any changes (to this last so that any exception does not save changes.)
msg.setMsgBody(tmpMsg);
state.LastSendTime = DateTime.Now;
// Toggle green led to show a message has been sent
LedToggleGreen();
}
else if ((DateTime.Now - state.LastSendTime).TotalSeconds > settings.timerKeepAliveIntervall)
{ // No Change of status. Is it time fot "is alive"?
tmpMsg.Change = "F"; // Status change (F)alse. (Set if we will send (is alive)
// Create brokered message
eventMessage = new EventData(Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(tmpMsg)));
//*IotHubTONE* SendDeviceToCloudMessagesAsync(tmpMsg);
// Send to IoT hub
//private static async void SendDeviceToCloudMessagesAsync(Message m)
//{
// await deviceClient.SendEventAsync(m);
// Console.WriteLine("{0} > Sending message: {1}", DateTime.Now, messageString);
//}
_eventHub.Send(eventMessage);
// Save any changes (to this last so that any exception does not save changes.)
msg.setMsgBody(tmpMsg);
state.LastSendTime = DateTime.Now;
// Toggle green led to show a message has been sent
LedToggleGreen();
}
}
}
catch (Exception exception)
{
//Status not written
}
}
private void Timer_Tick(object sender, object e)
{
string pirCurrentState = "U";
MsgBody tmpMsg = new MsgBody(msg);
try
{
// Initialize if needed
if (pir == null)
{ // Assume that initialization is needed
InitGPIO();
}
if (pir != null)
{ // Only if we are intialized
// Get Current IP and MAC (May have changed!)
tmpMsg.ID = GetSensorId();
tmpMsg.Ip = GetCurrentIpv4Address();
// Check PIR Status (High == Movement)
// if it is high, then motion was detected
if (pir.Read() == GpioPinValue.High)
{
pirCurrentState = "O";
}
else
{
pirCurrentState = "F";
}
// Handle state changes with smoothing
if (pirCurrentState != state.PendingStatus || state.PendingStatus == "")
{ // A change. Start counting smoothing time. (Ie time with the same state required for change)
state.PendingStatusTime = DateTime.Now;
state.PendingStatus = pirCurrentState;
}
if (state.PendingStatus != tmpMsg.Status && // This is a Status change AND....
(tmpMsg.Status == "" || // this is the first run OR ...
(state.PendingStatus == "x " && (DateTime.Now - state.PendingStatusTime).TotalSeconds >= settings.timerStateOSmoothing) || // Pending status is "Occupied" and O-Smoothing-time has passed OR ...
(state.PendingStatus == "F" && (DateTime.Now - state.PendingStatusTime).TotalSeconds >= settings.timerStateFSmoothing)))
{ // Pending status is "Free" and F-Smoothing-time has passed
if (state.PendingStatus == "O")
{
LedSetState(ledRed, true); // Turn on RED LED
LedSetState(ledGreen, false);
}
else
{
LedSetState(ledRed, false); // Turn off RED LED
LedSetState(ledGreen, true);
}
tmpMsg.Status = state.PendingStatus; // Set the new status to the message
tmpMsg.Change = "T"; // This is a change of status (T)rue
tmpMsg.TS = DateTime.Now.ToString();
SendDeviceToCloudMessagesAsync(tmpMsg);
// Save any changes (to this last so that any exception does not save changes.)
msg.setMsgBody(tmpMsg);
state.LastSendTime = DateTime.Now;
// Toggle green led to show a message has been sent
//LedToggleGreen();
}
else if ((DateTime.Now - state.LastSendTime).TotalSeconds > settings.timerKeepAliveIntervall)
{ // No Change of status. Is it time fot "is alive"?
tmpMsg.Change = "F"; // Status change (F)alse. (Set if we will send (is alive)
tmpMsg.TS = DateTime.Now.ToString();
// Send message to IoT hub
SendDeviceToCloudMessagesAsync(tmpMsg);
// Save any changes (to this last so that any exception does not save changes.)
msg.setMsgBody(tmpMsg);
state.LastSendTime = DateTime.Now;
// Toggle green led to show a message has been sent
LedToggleGreen();
}
}
}
catch (Exception exception)
{
//Status not written
}
//if (Convert.ToString(ReceiveC2dAsync().Result) == "Received")
//led.Write(GpioPinValue.Low);
}