Diff: main.cpp

Revision:

0:7880df5eee00

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue May 22 07:32:55 2018 +0000
@@ -0,0 +1,138 @@
+#include "mbed.h"
+#include "MMA8451Q.h"
+#include "ESP8266.h"
+
+Serial pc(USBTX,USBRX);
+
+#if   defined (TARGET_KL25Z)
+  PinName const SDA = PTE25;
+  PinName const SCL = PTE24;
+#else
+  #error TARGET NOT DEFINED
+#endif
+
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+
+
+//wifi UART port and baud rate
+ESP8266 wifi(PTE0, PTE1, 115200);
+
+//buffers for wifi library
+char resp[1000];
+char http_cmd[300], comm[300];
+
+int timeout = 3000; //timeout for wifi commands
+
+//SSID and password for connection
+#define SSID "Karkhana"
+#define PASS "Karkhana2018"
+
+//Remote IP
+#define IP "184.106.153.149" //  52.54.134.167
+
+
+char* Update_Key = "VQG4N1PCODU1C4IU";
+
+float x, y, z;
+
+//Wifi init function
+void wifi_initialize(void)
+{
+
+    pc.printf("******** Resetting wifi module ********\r\n");
+    wifi.Reset();
+
+    //wait for 5 seconds for response, else display no response receiveed
+    if (wifi.RcvReply(resp, 5000))
+        pc.printf("%s",resp);
+    else
+        pc.printf("No response");
+
+
+    pc.printf("******** Setting Station mode of wifi with AP ********\r\n");
+    wifi.SetMode(1);    // set transparent  mode
+    if (wifi.RcvReply(resp, timeout))    //receive a response from ESP
+        pc.printf("%s",resp);    //Print the response onscreen
+    else
+        pc.printf("No response while setting mode. \r\n");
+
+
+    pc.printf("******** Joining network with SSID and PASS ********\r\n");
+    wifi.Join(SSID, PASS);
+    if (wifi.RcvReply(resp, timeout))
+        pc.printf("%s",resp);
+    else
+        pc.printf("No response while connecting to network \r\n");
+
+
+    pc.printf("******** Getting IP and MAC of module ********\r\n");
+    wifi.GetIP(resp);
+    if (wifi.RcvReply(resp, timeout))
+        pc.printf("%s",resp);
+    else
+        pc.printf("No response while getting IP \r\n");
+
+
+    pc.printf("******** Setting WIFI UART passthrough ********\r\n");
+    wifi.setTransparent();
+    if (wifi.RcvReply(resp, timeout))
+        pc.printf("%s",resp);
+    else
+        pc.printf("No response while setting wifi passthrough. \r\n");
+    wait(1);
+
+
+    pc.printf("******** Setting single connection mode ********\r\n");
+    wifi.SetSingle();
+    wifi.RcvReply(resp, timeout);
+    if (wifi.RcvReply(resp, timeout))
+        pc.printf("%s",resp);
+    else
+        pc.printf("No response while setting single connection \r\n");
+    wait(1);
+}
+
+
+void wifi_send(void)
+{
+    pc.printf("******** Starting TCP connection on IP and port ********\r\n");
+    wifi.startTCPConn(IP,80);    //cipstart
+    wifi.RcvReply(resp, timeout);
+    if (wifi.RcvReply(resp, timeout))
+        pc.printf("%s",resp);
+    else
+        pc.printf("No response while starting TCP connection \r\n");
+    wait(1);
+
+    //create link
+    sprintf(http_cmd,"/update?api_key=%s&field1=%f&field2=%f&field3=%f",Update_Key,x,y,z);
+
+    pc.printf(http_cmd);
+
+    pc.printf("******** Sending URL to wifi ********\r\n");
+    wifi.sendURL(http_cmd, comm);   //cipsend and get command
+    if (wifi.RcvReply(resp, timeout))
+        pc.printf("%s",resp);
+    else
+        pc.printf("No response while sending URL \r\n");
+}
+
+
+int main(void)
+{
+    MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
+
+    wifi_initialize();
+
+    printf("MMA8451 ID: %d\n", acc.getWhoAmI());
+
+    while (true) {
+        
+        x = abs(acc.getAccX()) * 255;
+        y = abs(acc.getAccY()) * 255;
+        z = abs(acc.getAccZ()) * 255;
+        wifi_send();
+        wait(3);
+        printf("X: %1.2f, Y: %1.2f, Z: %1.2f\n", x, y, z);
+    }
+}