Archit Muchhal
The project is about embedding temperature sensor, a PIR sensor and a thermocouple with RFID as a security measure and sending the data to ThingSpeak Cloud with a WiFi module ESP8266
Dependencies: DHT ESP8266 MFRC522
Revision 0:94f21066fc43, committed 2017-03-28
- Comitter:
- architmuchhal
- Date:
- Tue Mar 28 17:19:25 2017 +0000
- Commit message:
- Internet I/O Bus powered by Hexiwear Brain using FRDM - K64F
Changed in this revision
diff -r 000000000000 -r 94f21066fc43 .gitignore --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Tue Mar 28 17:19:25 2017 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
diff -r 000000000000 -r 94f21066fc43 DHT.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DHT.lib Tue Mar 28 17:19:25 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/teams/components/code/DHT/#6937e130feca
diff -r 000000000000 -r 94f21066fc43 ESP8266.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ESP8266.lib Tue Mar 28 17:19:25 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/quevedo/code/ESP8266/#77388e8f0697
diff -r 000000000000 -r 94f21066fc43 MFRC522.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MFRC522.lib Tue Mar 28 17:19:25 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/AtomX/code/MFRC522/#63d729186747
diff -r 000000000000 -r 94f21066fc43 README.md --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Tue Mar 28 17:19:25 2017 +0000 @@ -0,0 +1,87 @@ +# Getting started with Blinky on mbed OS + +This guide reviews the steps required to get Blinky working on an mbed OS platform. + +Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | ++----------------------------+-------+-------+------+ +| Misc | 13939 | 24 | 1372 | +| core/hal | 16993 | 96 | 296 | +| core/rtos | 7384 | 92 | 4204 | +| features/FEATURE_IPV4 | 80 | 0 | 176 | +| frameworks/greentea-client | 1830 | 60 | 44 | +| frameworks/utest | 2392 | 512 | 292 | +| Subtotals | 42618 | 784 | 6384 | ++----------------------------+-------+-------+------+ +Allocated Heap: unknown +Allocated Stack: unknown +Total Static RAM memory (data + bss): 7168 bytes +Total RAM memory (data + bss + heap + stack): 7168 bytes +Total Flash memory (text + data + misc): 43402 bytes +Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your mbed device to the computer over USB. +1. Copy the binary file to the mbed device. +1. Press the reset button to start the program. + +The LED on your platform turns on and off. + +## Export the project to Keil MDK, and debug your application + +From the command-line, run the following command: + +``` +mbed export -m K64F -i uvision +``` + +To debug the application: + +1. Start uVision. +1. Import the uVision project generated earlier. +1. Compile your application, and generate an `.axf` file. +1. Make sure uVision is configured to debug over CMSIS-DAP (From the Project menu > Options for Target '...' > Debug tab > Use CMSIS-DAP Debugger). +1. Set breakpoints, and start a debug session. + + + +## Troubleshooting + +1. Make sure `mbed-cli` is working correctly and its version is `>1.0.0` + + ``` + mbed --version + ``` + + If not, you can update it: + + ``` + pip install mbed-cli --upgrade + ``` + +2. If using Keil MDK, make sure you have a license installed. [MDK-Lite](http://www.keil.com/arm/mdk.asp) has a 32 KB restriction on code size. \ No newline at end of file
diff -r 000000000000 -r 94f21066fc43 img/uvision.png Binary file img/uvision.png has changed
diff -r 000000000000 -r 94f21066fc43 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Mar 28 17:19:25 2017 +0000
@@ -0,0 +1,218 @@
+#include "mbed.h"
+#include "MFRC522.h"
+#include "DHT.h"
+#include "ESP8266.h" // Include header file
+#include "math.h"
+#include <string>
+
+#define APIKEY D9BGPWTNAGUAZPMB //Put "Write key" of your channel in thingspeak.com
+#define IP "184.106.153.149" // IP Address of "api.thingspeak.com\"
+#define WIFI_SSID "Archit"
+#define WIFI_PASS "archit12"
+
+ESP8266 esp(PTC17, PTC16, 115200); // baud rate for wifi
+
+// FRDM-K64F (Freescale) Pin for MFRC522 reset
+#define MF_RESET PTB19
+
+// Defining the serial ports for PC and Bluetooth
+#define SERIAL_1
+AnalogIn check(PTB3); //thermocouple Analog input
+
+Serial pc(USBTX, USBRX);
+DHT sensor(PTC2,DHT22); //DHT Sensor
+DigitalOut LedGreen(LED2), LedRed(LED1);
+DigitalIn inputPin(PTB13); // pir senor input
+
+int val=1;
+float tmp_f, tmp_c, hum;
+Timer timeBetweenCards;
+char tagname;
+
+uint8_t user[10];
+char Richard[17]="A6027B026802A102";
+char tempo[17];
+char snd[255],rcv[1000],snd_Data[255];
+float x=0;
+
+//MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET);
+MFRC522 RfChip (PTC6, PTC7, PTC5, PTC3, PTB19);
+
+void esp_initialize(void);
+void esp_send(void);
+
+int main(void)
+{
+ pc.baud(115200);
+ esp_initialize();
+ LedRed= 0;
+
+ // Initialising RC522 Chip
+ RfChip.PCD_Init();
+
+ while (true)
+
+ {
+ if(inputPin==1)
+
+ {
+ printf("Motion Detected!\r\n");
+ printf("************************************************\r\n");
+ printf("You have approached Omnisite Monitioring Solutions!\r\n");
+ printf("------------------------------------------------------------\r\n");
+ printf("Place Your ID to get access:\r\n");
+ printf("------------------------------------------------------------\r\n");
+ wait(2);
+ tagname = '\0';
+ LedRed= 1;
+ LedGreen = 1;
+
+ // checking for new cards
+ if ( ! RfChip.PICC_IsNewCardPresent()) {
+ wait_ms(100);
+ continue;
+ }
+
+ // Selecting one of the cards or key chains
+ if ( ! RfChip.PICC_ReadCardSerial()) {
+ wait_ms(1000);
+ continue;
+ }
+
+ // When a card is detected, a Green Led flashes!
+ timeBetweenCards.start();
+ LedGreen = 0;
+
+ for (uint8_t i = 0; i < RfChip.uid.size; i++) {
+ user[i]=RfChip.uid.uidByte[i];
+ }
+
+ sprintf(tempo,"%X02%X02%X02%X02",user[0],user[1],user[2],user[3]);
+ printf("\n\r");
+ if (strcmp(tempo, Richard)==0) {
+ //Thermocouple program
+ pc.printf("Thermocouple Output:\r\n");
+ x=0;
+ x= check.read_u16();
+ x=x/65536; // ADC Scaling
+ x=x*330; // GPIO Scaling and IC Scaling(*100)
+ pc.printf("Voltage Difference = %.2f C\n\r",x);
+ wait(3);
+
+
+ //DHT
+ int err;
+ printf("\r\nDHT Test program");
+ printf("\r\n******************\r\n");
+ err = sensor.readData();
+ if (err == 0) {
+ printf("Temperature is %4.2f C \r\n",sensor.ReadTemperature(CELCIUS));
+ printf("Temperature is %4.2f F \r\n",sensor.ReadTemperature(FARENHEIT));
+ printf("Temperature is %4.2f K \r\n",sensor.ReadTemperature(KELVIN));
+ printf("Humidity is %4.2f \r\n",sensor.ReadHumidity());
+ printf("Dew point is %4.2f \r\n",sensor.CalcdewPoint(sensor.ReadTemperature(CELCIUS), sensor.ReadHumidity()));
+ printf("Dew point (fast) is %4.2f \r\n",sensor.CalcdewPointFast(sensor.ReadTemperature(CELCIUS), sensor.ReadHumidity()));
+ printf("--------------------------------------------\r\n");
+ }
+ wait(2);
+
+ tmp_f = sensor.ReadTemperature(FARENHEIT);
+ tmp_c = sensor.ReadTemperature(CELCIUS);
+ hum = sensor.ReadHumidity();
+
+ esp_send();
+ } else if (strcmp(tempo, Richard)!=0) {
+ printf("NOT AUTHORISED\n\r");
+
+ }
+
+ } else if(inputPin==0) {
+ }
+ wait(5);
+ }
+}
+
+void esp_initialize(void)
+{
+ pc.printf("Initializing ESP\r\n");
+
+ pc.printf("Reset ESP\r\n");
+ esp.Reset(); //RESET ESP
+ esp.RcvReply(rcv, 400); //receive a response from ESP
+ wait(2);
+
+ strcpy(snd,"AT");
+ esp.SendCMD(snd);
+ pc.printf(snd);
+ esp.RcvReply(rcv, 400);
+ pc.printf(rcv);
+ wait(0.1);
+
+ strcpy(snd,"AT+CWMODE=1");
+ esp.SendCMD(snd);
+ pc.printf(snd);
+ wait(2);
+
+ strcpy(snd,"AT+CWJAP=\"");
+ strcat(snd,WIFI_SSID);
+ strcat(snd,"\",\"");
+ strcat(snd,WIFI_PASS);
+ strcat(snd,"\"");
+
+ esp.SendCMD(snd);
+ pc.printf(snd);
+ wait(5);
+ esp.RcvReply(rcv, 400);
+ pc.printf("\n %s \n", rcv);
+
+ strcpy(snd,"AT+CIPMUX=1");
+ esp.SendCMD(snd);
+ pc.printf(snd);
+ esp.RcvReply(rcv, 400);
+ pc.printf("\n %s \n", rcv);
+
+}
+
+void esp_send(void)
+{
+ //ESP updates the Status of Thingspeak channel//
+
+ strcpy(snd,"AT+CIPSTART=");
+ strcat(snd,"\"TCP\",\"");
+ strcat(snd,IP);
+ strcat(snd,"\",80");
+
+ esp.SendCMD(snd);
+ pc.printf("Send\r\n%s",snd);
+ esp.RcvReply(rcv, 1000);
+ pc.printf("Receive\r\n%s",rcv);
+ wait(1);
+
+ sprintf(snd,"GET https://api.thingspeak.com/update?api_key=D9BGPWTNAGUAZPMB&field1=%f&field2=%f&field3=%f&field4=%.2f\r\n",tmp_f,tmp_c,hum,x);
+
+ int i=0;
+ for(i=0; snd[i]!='\0'; i++);
+ i++;
+ char cmd[255];
+
+ sprintf(cmd,"AT+CIPSEND=%d",i); //Send Number of open connection and Characters to send
+ esp.SendCMD(cmd);
+ pc.printf("Send\r\n%s",cmd);
+ while(i<=20 || rcv == ">") {
+ esp.RcvReply(rcv, 1000);
+ wait(100);
+ i++;
+ }
+ pc.printf("Receive\r\n%s",rcv);
+
+ esp.SendCMD(snd); //Post value to thingspeak channel
+ pc.printf("Send\r\n%s",snd);
+
+ while(i<=20 || rcv == "OK") {
+ esp.RcvReply(rcv, 1000);
+ wait(100);
+ i++;
+ }
+ pc.printf("Receive\r\n%s",rcv);
+}
+
diff -r 000000000000 -r 94f21066fc43 mbed-os.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Tue Mar 28 17:19:25 2017 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#f4864dc6429e1ff5474111d4e0f6bee36a759b1c