Shruthi B
Grove ear clip sensor and ESP 8266 Wi-Fi module on FRDM-K64F over Thingspeak Server Cloud
Dependencies: mbed GroveEarbudSensor ESP8266_eduvance_shield
Revision 0:4c4c953ccd57, committed 2018-12-02
- Comitter:
- bhshruthi92
- Date:
- Sun Dec 02 20:37:25 2018 +0000
- Commit message:
- Uses Grove ear clip sensor and ESP 8266 Wi-Fi module on FRDM-K64F and sent to patient using Thingspeak Server cloud.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ESP8266.lib Sun Dec 02 20:37:25 2018 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/naray23/code/ESP8266_eduvance_shield/#9f5d26a20e0e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GroveEarbudSensor.lib Sun Dec 02 20:37:25 2018 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/ansond/code/GroveEarbudSensor/#8687d42d6798
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Dec 02 20:37:25 2018 +0000
@@ -0,0 +1,152 @@
+#include "mbed.h"
+#include "ESP8266.h"
+#include <string.h>
+#include <stdio.h>
+#include "GroveEarbudSensor.h"
+
+#define APIKEY SJYFHXQEDBQ75N91 //Put "Write key" of your channel in thingspeak.com
+#define IP "184.106.153.149" // IP Address of "api.thingspeak.com\"
+#define WIFI_SSID "BHNTG1682GF6C2"
+#define WIFI_PASS "ef8df304"
+#define sendnumber "3178208811"
+
+char snd[255],rcv[1000],snd_Data[255];
+float hrt;
+
+ESP8266 esp(PTC17, PTC16, 115200); // baud rate for wifi
+Serial pc(USBTX, USBRX);
+
+// callback for receiving heartrate values
+void heartrateCallback(float heartrate,void *data)
+{
+ printf("Callback: heartrate = %.1f\r\n",heartrate);
+}
+
+// Blinky
+DigitalOut led(LED1);
+
+// Our sensor as an InterruptIn
+InterruptIn sensor(D2);
+
+GroveEarbudSensor earbud(&sensor);
+
+void esp_initialize(void);
+void esp_send(void);
+
+int main(void)
+{
+pc.baud(115200);
+ esp_initialize();
+
+ // announce
+ printf("Grove Earbud Sensor Example v1.0.0\r\n");
+
+ // allocate the earbud sensor
+ printf("Allocating earbud sensor instance...\r\n");
+
+ // register our callback function
+ printf("registering callback...\r\n");
+ earbud.registerCallback(heartrateCallback);
+
+ // begin main loop
+ printf("Beginning main loop...\r\n");
+ while (true)
+ {
+ // blink...
+ led = !led;
+ wait(1);
+
+ // we can also call directly
+ printf("Direct: heartrate = %.1f\r\n", earbud.getHeartRate());
+
+ }
+ }
+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);
+
+ hrt = earbud.getHeartRate();
+ pc.printf("Sending this data to thingspeak.com \r \n");
+ sprintf(snd,"GET https://api.thingspeak.com/update?api_key=SJYFHXQEDBQ75N91&field1=%f\r\n", hrt);
+
+ 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);
+}
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Dec 02 20:37:25 2018 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/97feb9bacc10 \ No newline at end of file