#define MaxCountForTurns 300 //count for 2 rotations of the motor

int main(void)
{
CyGlobalIntEnable; /* Enable global interrupts. */


uint16 onCount = 0x00;
uint16 offCount = 0x00;
uint8 gateClose = 0x00;
uint8 motorON = 0x00;
uint8 pirValue = 0x00;


UART_Start();

for(;;)
{
    if (gateClose == 0x00) {
        pirValue |=  pirInput_Read();
    }

    if ((pirValue & 0x01) && (motorON == 0)) {
        motorON = 0x01;
        UART_PutString("Pet movement detected : Motor will be turned ONn");
        CyDelay(10);
    }
    if(motorON) {
        onCount++;
        Control_Reg_Write(0x0c);
        CyDelay(10);
        Control_Reg_Write(0x06);
        CyDelay(10);
        Control_Reg_Write(0x03);
        CyDelay(10);
        Control_Reg_Write(0x09);
        CyDelay(10);
     }

        if (gateClose) {
            offCount++;
            Control_Reg_Write(0x09);
            CyDelay(10);
            Control_Reg_Write(0x03);
            CyDelay(10);
            Control_Reg_Write(0x06);
            CyDelay(10);
            Control_Reg_Write(0x0c);
            CyDelay(10);
        }

        // turns in fwd direction
        if(onCount > MaxCountForTurns) {
            motorON = 0x00;
            onCount = 0x00;
            pirValue = 0x00;
            CyDelay(50);
            gateClose = 0x01;
        }

        // turns in reverse direction
        if(offCount > MaxCountForTurns) {
            gateClose &= 0x00;
        }
    }
}

import time
    import serial
    import smtplib
    TO = 'pet_feeder@gmail.com'
    GMAIL_USER = 'pir_sensor@gmail.com'
    GMAIL_PASS = 'psoc_pir_pet_feeder'
    SUBJECT = 'Pet Feeder System Alert!!'
    TEXT = 'PIR sensor detected pet movement, Motor will be turned ON'
    ser = serial.Serial('COM2', 9600)
    def send_email():
        print("Sending Email")
        smtpserver = smtplib.SMTP("smtp.gmail.com",587)
        smtpserver.ehlo()
        smtpserver.starttls()
        smtpserver.ehlo
        smtpserver.login(GMAIL_USER, GMAIL_PASS)
        header = 'To:' + TO + 'n' + 'From: ' + GMAIL_USER
        header = header + 'n' + 'Subject:' + SUBJECT + 'n'
        print header
        msg = header + 'n' + TEXT + ' nn'
        smtpserver.sendmail(GMAIL_USER, TO, msg)
        smtpserver.close()

    while True:
        message = ser.readline()
        print(message)
        if message[0] == 'M' :
            send_email()
        time.sleep(0.5)