Diff: main.cpp

Revision:

0:a276a31734dc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 10 02:27:56 2018 +0000
@@ -0,0 +1,109 @@
+#include "mbed.h"
+#include "ESP8266.h"               // ESP8266 Header File
+#include "FXOS8700Q.h"             // Sensor Header File
+#include "math.h"
+#include <string>
+
+// WIFI Configs
+#define WIFI_SSID "Redmi"
+#define WIFI_PASS "132132123"
+ESP8266 esp(PTC17, PTC16, 115200);  // baud rate for ESP8266
+
+// ThingSpeak Configs
+#define IP "184.106.153.149"        // IP Address of "api.thingspeak.com\"
+
+FXOS8700Q_acc acc( PTE25, PTE24, FXOS8700CQ_SLAVE_ADDR1);    // Proper Ports and I2C Address for K64F Freedom board
+MotionSensorDataUnits acc_data;
+Serial pc(USBTX,USBRX);             // Used for printing Tera Term
+
+char snd[255],rcv[1000];
+
+// Functions Declaration
+void updateSensor();                // Updates sensor values in "acc_data"
+void esp_initialize();              // Initializes connection with the Wi-Fi
+void updateCloud();                 // Uploads data to the thingspeak cloud
+
+int main()
+{
+    pc.baud(115200);                //Baud Rate for TeraTerm
+    pc.printf("Start\n");
+    
+    esp_initialize();
+    acc.enable();
+    
+    while(1) {
+        updateSensor();
+        updateCloud();
+        wait(20);
+    }
+}
+
+void updateSensor() {
+    acc.getAxis(acc_data);
+    pc.printf("\nACC: X=%1.4f Y=%1.4f Z=%1.4f  ", acc_data.x, acc_data.y, acc_data.z);  // Prints current sensor values
+}
+
+void esp_initialize(void) {    
+    pc.printf("Initializing ESP\r\n"); 
+      
+    pc.printf("Reset ESP\r\n"); 
+    esp.Reset();                            // RESET ESP
+    wait(2);
+    
+    strcpy(snd,"AT");
+    esp.SendCMD(snd);                       // Runs the AT command on ESP8266
+    wait(0.1);
+    
+    strcpy(snd,"AT+CWMODE=1");              // Set Wi-Fi Mode
+    esp.SendCMD(snd);
+    wait(2);
+
+    strcpy(snd,"AT+CWJAP=\"");              // Connect to the Wi-Fi network
+    strcat(snd,WIFI_SSID);
+    strcat(snd,"\",\"");
+    strcat(snd,WIFI_PASS);
+    strcat(snd,"\"");
+    esp.SendCMD(snd);
+    wait(5);
+    
+    esp.RcvReply(rcv, 400);       
+    pc.printf("\n %s \n", rcv); 
+    
+    strcpy(snd,"AT+CIPMUX=0");              // Set to single connection
+    esp.SendCMD(snd);
+    esp.RcvReply(rcv, 400);       
+    pc.printf("\n %s \n", rcv); 
+}
+
+void updateCloud(){
+    float x_axis = 0.0f, y_axis = 0.0f;
+    wait(2.0f);
+    x_axis   = acc_data.x;
+    y_axis   = acc_data.y;
+    //ESP updates the Status of Thingspeak channel//
+    
+    strcpy(snd,"AT+CIPSTART=");             // Initialize TCP connection
+    strcat(snd,"\"TCP\",\"");
+    strcat(snd,IP);
+    strcat(snd,"\",80");
+    esp.SendCMD(snd);
+    //wait(2);                                                    
+    esp.RcvReply(rcv, 1000);
+    pc.printf("R\r\n%s",rcv);
+    wait(1);
+    
+    sprintf(snd,"GET https://api.thingspeak.com/update?api_key=CSV6JACFC3TGG6MO&field1=%f&field2=%f\r\n",x_axis, y_axis);
+    
+    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);
+    wait(1);
+    
+    esp.SendCMD(snd);                       //Post value to thingspeak channel
+    pc.printf("S\r\n%s",snd);
+       
+}
\ No newline at end of file