Xiangying Qu
K64f, ESP8266, Heartrate Senosr, Alcohol sensor
Dependencies: mbed GroveEarbudSensor ESP8266
Revision 0:0a8dbe4c0447, committed 2019-04-22
- Comitter:
- qxy
- Date:
- Mon Apr 22 19:21:04 2019 +0000
- Commit message:
- Here is driver health system monitor project code
Changed in this revision
diff -r 000000000000 -r 0a8dbe4c0447 ESP8266.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ESP8266.lib Mon Apr 22 19:21:04 2019 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/janhavi/code/ESP8266/#4f24e7e803a1
diff -r 000000000000 -r 0a8dbe4c0447 GroveEarbudSensor.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GroveEarbudSensor.lib Mon Apr 22 19:21:04 2019 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/ansond/code/GroveEarbudSensor/#06be613d8c3e
diff -r 000000000000 -r 0a8dbe4c0447 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Apr 22 19:21:04 2019 +0000
@@ -0,0 +1,172 @@
+#include "mbed.h"
+#include "ESP8266.h"
+#include <string>
+#include <stdio.h>
+// Grove Earbud Sensor include
+#include "GroveEarbudSensor.h"
+
+#define APIKEY SQ43V2ERAB2S42I3 //Put "Write key" of your channel in thingspeak.com
+#define IP "184.106.153.149" // IP Address of "api.thingspeak.com\"
+#define WIFI_SSID "ATTwXwjd7i" // Home WIFI ID
+#define WIFI_PASS "cmvbfbjrw=+w" // Home WIFI PASS WORD
+
+Serial pc(USBTX,USBRX);
+
+ESP8266 esp(PTC17, PTC16, 115200); // baud rate for wifi
+
+char snd[255],rcv[1000],snd_Data[255]; //snd= string used to send command to ESP 8266 wii and rcv = string used to receive response from ESP8266 wifi module
+
+void esp_initialize(void); // Function used to initialize ESP8266 wifi module
+void esp_send(void); // Function used to connect with thingspeak.com and update channel using ESP8266 wifi module
+
+// Our sensor as an InterruptIn
+InterruptIn sensor(D2);
+
+// callback for receiving heartrate values
+void heartrateCallback(float heartrate,void *data) {
+ printf("Callback: heartrate = %.1f\r\n",heartrate);
+}
+
+// allocate the earbud sensor
+GroveEarbudSensor earbud(&sensor);
+
+float RateofHeart; // Define Global variable for Heatrate detection
+
+
+
+DigitalOut heater(A1); // Set DigitalOut port for Alcohol Sensor
+AnalogIn Asensor(A0); // Set AnalogIn port for Alcohol Sensor
+
+float value = 0.0f; // Define Global variable for Alcohol detection
+
+
+int main(void)
+{
+
+ pc.baud(115200); // Baud rate used for communicating with Tera-term on PC
+
+ heater = 1;
+
+ pc.printf("START\r\n"); // Starting point
+
+ esp_initialize();
+
+ // register our callback function
+ earbud.registerCallback(heartrateCallback);
+
+ while (1)
+ {
+
+ wait(5);
+
+ esp_send(); //Excute Send function to deliver detected data to Thingspeak website
+
+ }
+}
+
+
+void esp_initialize(void) // This is the Initialization function as we defined above.
+{
+ 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
+ //pc.printf(rcv); //Print the response onscreen
+ wait(2);
+
+ strcpy(snd,"AT");
+ esp.SendCMD(snd); // Sends command to ESP8266. Receives the command string
+ pc.printf(snd);
+ //wait(2);
+ esp.RcvReply(rcv, 400); // Receive reply until no character is received after a given timeout in miliseconds
+ 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); // Send WIFI Account ID
+ strcat(snd,"\",\"");
+ strcat(snd,WIFI_PASS); // Send WIFI Password
+ strcat(snd,"\"");
+
+ esp.SendCMD(snd);
+ pc.printf(snd);
+ wait(5);
+ esp.RcvReply(rcv, 400);
+ pc.printf("\n %s \n", rcv);
+
+ strcpy(snd,"AT+CIPMUX=0");
+ esp.SendCMD(snd);
+ pc.printf(snd);
+ //wait(2);
+ esp.RcvReply(rcv, 400);
+ pc.printf("\n %s \n", rcv);
+
+}
+
+
+void esp_send(void) // This is the Initialization function as we defined above.
+{
+ //Get the rate of Heart by earbud,getHeartRate function
+ RateofHeart = earbud.getHeartRate();
+
+ //Set the pulse value to 0 to get the data
+ heater = 0;
+ //Get the value of Alcohol rate sensed by Alcohol sensor
+ value = 1-Asensor;
+
+
+
+ //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("S\r\n%s",snd);
+ //wait(2);
+ esp.RcvReply(rcv, 1000);
+ pc.printf("R\r\n%s",rcv);
+ wait(1);
+
+ pc.printf("Alcohol concentration is: %2.2f\n", value); // Print out the Alcohol concentration on the Tera Term
+ pc.printf("heart rate is: %f\r\n", RateofHeart); // Print out the Heart Rate on the Tera Term
+ sprintf(snd,"GET https://api.thingspeak.com/update?api_key=SQ43V2ERAB2S42I3&field1=%f&field2=%f\r\n",RateofHeart);
+ //Transfer Heart rate and Alcohol concentration to designated Thingspeak ID and display on field 1 chart and field 2 chart
+
+
+ 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("S\r\n%s",cmd);
+ while(i<=20 || rcv == ">")
+ {
+ esp.RcvReply(rcv, 1000);
+ wait(100);
+ i++;
+ }
+ pc.printf("R\r\n%s",rcv);
+
+ esp.SendCMD(snd); //Post value to thingspeak channel
+ pc.printf("S\r\n%s",snd);
+
+ while(i<=20 || rcv == "OK")
+ {
+ esp.RcvReply(rcv, 1000);
+ wait(100);
+ i++;
+ }
+ pc.printf("R\r\n%s",rcv);
+
+}
\ No newline at end of file
diff -r 000000000000 -r 0a8dbe4c0447 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Apr 22 19:21:04 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file