Lab 6_v2
Dependencies: mbed Thingspeak_template LM75B mbed-rtos EthernetInterface MMA7660
Dependents: Thingspeak_template
main.cpp
- Committer:
- omar1646
- Date:
- 2021-03-28
- Revision:
- 1:21d76b260bc6
- Parent:
- 0:34d3f68b920e
- Child:
- 2:f7645c6a85f3
File content as of revision 1:21d76b260bc6:
// PIR Motion Sensor Alarm + ESP8622 WiFi Module + FRDM-k64f //PIR sensor can detect change on its surrounding by measuring the change of infra red // Then will send high=1 to the FRDM-k64f to flash the LED, Run the Buzzer, //Send information through UART serial Port to Tera Term and display how many motion been //detected,also will send information to Thingspeak IoT website using WiFi connection #include "mbed.h" #include "ESP8266.h" #define APIKEY YTDILMQL53ASDCJ4 Serial pc(USBTX,USBRX); DigitalOut Buzzer(D3); // output PwmOut LED(D13); // flashing the led DigitalIn inputPin(D2); // pir senor input DigitalOut redled(LED1); ESP8266 wifi(PTE0, PTE1, 115200); // baud rate for wifi char snd[255],rcv[1000]; #define IP "184.106.153.149" // thingspeak.com IP Address int val = 0; // value to holed the high/low info from pir from pin D2 int cnt = 0; // counter for motion //String thingtweetAPIKey = "TTEVLP931ODJ5GMT"; /************ WiFi INTIALIZATION *********/ void wifi_initialize(void); void wifi_send(void); int main () { pc.baud(9600); pc.printf("SET mode to AP\r\n"); wifi.SetMode(1); // set ESP mode to 1 wifi.RcvReply(rcv, 1000); //receive a response from ESP pc.printf("%s",rcv); //Print the response onscreen pc.printf("Conneting to AP\r\n"); wifi.Join("BHTG1672G3FC2-2G", "5f17baeb"); // Your wifi username & Password wifi.RcvReply(rcv, 1000); //receive a response from ESP pc.printf("%s", rcv); //Print the response onscreen wait(8); //waits for response from ESP pc.printf("Getting IP\r\n"); //get IP addresss from the connected AP wifi.GetIP(rcv); //receive an IP address from the AP pc.printf("%s", rcv); wait(5); // Delay 5 sec to give the pir time to get snapshut of the surrounding pc.printf("Initializing WiFi\r\n"); //wifi_initialize(); while (1) { val = inputPin.read(); if (val==0) { cnt++; pc.printf(" The Sensor is ON And I Detected = %i Till NOW\r\n",cnt); Buzzer = 1; pc.printf("PLEASE STAY AWAY\r\n"); pc.printf("Sending WiFi information\n\r"); wifi_send(); redled=1; // when the motion detected turn of the on board red led LED.period(2.0f); // 2 seconds period wait(2.0f); LED.pulsewidth(.02); // 2 mseconds pulse (on) redled=1; // Buzzer = 1; wait(1.5f); } else { pc.printf(" The Sensor is OFF \r\n"); LED = 0; Buzzer =0; redled=0; // turn the on board red led on wait(1.5f); } } } void wifi_send(void){ strcpy(snd,"AT+CIPMODE=0");//Setting WiFi into MultiChannel mode wifi.SendCMD(snd); pc.printf(snd); wifi.RcvReply(rcv, 3000); pc.printf("%s", rcv); //WIFI updates the Status to Thingspeak servers// strcpy(snd,"AT+CIPMUX=1");//Setting WiFi into MultiChannel mode wifi.SendCMD(snd); pc.printf(snd); wifi.RcvReply(rcv, 3000); pc.printf("%s", rcv); sprintf(snd,"AT+CIPSTART=4,\"TCP\",\"%s\",80",IP); //Initiate connection with THINGSPEAK server wifi.SendCMD(snd); pc.printf(snd); wifi.RcvReply(rcv, 3000); pc.printf("%s", rcv); strcpy(snd,"AT+CIPSEND=4,47"); //Send Number of open connections,Characters to send wifi.SendCMD(snd); pc.printf(snd); wifi.RcvReply(rcv, 3000); pc.printf("%s", rcv); sprintf(snd,"GET /update?key=WZXOHNJSLN9G1AGP&field1=%2.2f\r\n",1.0); //Post values to thingspeak pc.printf("%s",snd); wifi.SendCMD(snd); wifi.RcvReply(rcv, 3000); pc.printf("%s", rcv); wifi.SendCMD("AT+CIPCLOSE"); //Close the connection to server wifi.RcvReply(rcv, 3000); pc.printf("%s", rcv); }