//UART
static void receivedDataUsingCOMPort(object sender, SerialDataReceivedEventArgs e)
{
SecretLabs.NETMF.Hardware.PWM speaker = new SecretLabs.NETMF.Hardware.PWM(Pins.GPIO_PIN_D5);
try
{
if (spUART.BytesToRead > 0)
{
byte[] buffer = new byte[spUART.BytesToRead];
spUART.Read(buffer, 0, buffer.Length);
char[] cReceived = System.Text.Encoding.UTF8.GetChars(buffer, 0, buffer.Length);
string strReceived = new string(cReceived);
Debug.Print("command string received " + strReceived);
if (cReceived[0] == 'N')
{
led.Write(true);
}
else if (cReceived[0] == 'F')
{
led.Write(false);
}
//MOTION SENSOR - PIEZO BUZZER TURN ON
else if (cReceived[0] == 'A')
{
Debug.Print("Alarm sounding");
for (int i = 0; i < 5; i++)
{
uint duration1 = 1000, duration2 = 1000;
speaker.SetPulse(duration1 * 2, duration1);
Thread.Sleep(100);
speaker.SetPulse(duration2 * 2, duration2);
Thread.Sleep(100);
speaker.SetPulse(duration1 * 2, duration1);
Thread.Sleep(100);
speaker.SetPulse(duration2 * 2, duration2);
Thread.Sleep(100);
speaker.SetDutyCycle(0);
}
}
//PIEZO BUZZER TURN OFF
//else if (cReceived[0] == 'B')
// {
// Debug.Print("Turned off alarm");
// speaker.SetDutyCycle(0);
// }
}
}
catch (Exception ex)
{
Debug.Print("exception " + ex.Message.ToString());
}
}
public static void Main()
{
int tempInput = 0;
while (true)
{
tempInput = tempSensor.Read();
float volts = ((float)tempInput / 1024.0f) * 3.3f;
float temp_celcius = (volts * 100);
float temp_fahrenheit = (temp_celcius * 9) / 5 + 32;
if (temp_celcius > 24.0f)
{
speaker.SetPulse((uint)(1000000 / 2217.46f), (uint)(1000000 / 2217.46f) / 2);
}
else
{
speaker.SetDutyCycle(0);
}
Debug.Print("Celcius: " + temp_celcius.ToString() + " - " + "Fahrenheit: " + temp_fahrenheit.ToString());
Thread.Sleep(1000);
}
}
public DcMotor(MotorHeaders header)
{
switch (header)
{
case MotorHeaders.M3:
_motorBitA = (int)MotorBits.Motor3A;
_motorBitB = (int)MotorBits.Motor3B;
_pwm = new PWM(MotorShield.Pwm_0B);
break;
case MotorHeaders.M4:
_motorBitA = (int)MotorBits.Motor4A;
_motorBitB = (int)MotorBits.Motor4B;
_pwm = new PWM(MotorShield.Pwm_0A);
break;
default:
throw new InvalidOperationException("Invalid motor header specified.");
}
MotorShield.Instance.LatchState &= (byte)(~(1 << _motorBitA) & ~(1 << _motorBitB));
MotorShield.Instance.LatchTx();
_pwm.SetPulse(100, 0);
}
//===========================MOTION SENSOR=========================
static void motion_OnInterrupt(uint data1, uint data2, DateTime time)
{
try
{
//port.EnableInterrupt();
port.DisableInterrupt();
DateTime startTime = DateTime.Now;
// Some execution process
DateTime endTime = DateTime.Now;
TimeSpan totalTimeTaken = endTime.Subtract(startTime);
Debug.Print("Motion detected");
speaker.SetDutyCycle(50);
uint duration1 = 1000, duration2 = 800;
Debug.Print("Alarm sounding");
for (int i = 0; i < 2; i++)
{
speaker.SetPulse(duration1 * 2, duration1);
Thread.Sleep(200);
speaker.SetPulse(duration2 * 2, duration2);
Thread.Sleep(200);
speaker.SetDutyCycle(0);
}
sendDataUsingCOMPort("MOTION=" + "MOTION DETECTED FOR " + totalTimeTaken + "s ");
//spUART.Flush();
//Thread.Sleep(5000);
//uint duration1 = 1000, duration2 = 1000;
//speaker.SetPulse(duration1 * 2, duration1);
//speaker.SetPulse(duration2 * 2, duration2);
//Thread.Sleep(250);
//speaker.SetDutyCycle(0);
MovementDetected = true;
//OutputPort redLED = new OutputPort(Pins.GPIO_PIN_D9, false);
//for (int i = 0; i < 3; i++)
// {
// redLED.Write(true);
// Thread.Sleep(300);
// redLED.Write(false);
//}
Thread.Sleep(5000);
port.EnableInterrupt();
}
catch (Exception ex)
{
Debug.Print(ex.Message);
}
}
public DcMotor(MotorHeaders header)
{
switch (header)
{
case MotorHeaders.M3:
_motorBitA = (int)MotorBits.Motor3A;
_motorBitB = (int)MotorBits.Motor3B;
_pwm = new PWM(MotorShield.Pwm_0B);
break;
case MotorHeaders.M4:
_motorBitA = (int)MotorBits.Motor4A;
_motorBitB = (int)MotorBits.Motor4B;
_pwm = new PWM(MotorShield.Pwm_0A);
break;
default:
throw new InvalidOperationException("Invalid motor header specified.");
}
MotorShield.Instance.LatchState &= (byte)(~(1 << _motorBitA) & ~(1 << _motorBitB));
MotorShield.Instance.LatchTx();
_pwm.SetPulse(100, 0);
}
private static void SetServoPosition(int position)
{
position = (position % 180) + 10;
servo.SetPulse(20000, 500 + (uint)(position * 11.11));
}
