Revision 1:44646476456d, committed 2017-12-04

Comitter:

mrbhatter

Date:

Mon Dec 04 09:44:41 2017 +0000

Parent:

0:ec3b5f850a28

Commit message:

NRF and ESP data to thingspeak;

Changed in this revision

diff -r ec3b5f850a28 -r 44646476456d ESP8266.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266.lib	Mon Dec 04 09:44:41 2017 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/janhavi/code/ESP8266/#4f24e7e803a1

diff -r ec3b5f850a28 -r 44646476456d main.cpp
--- a/main.cpp	Sat Dec 02 05:57:01 2017 +0000
+++ b/main.cpp	Mon Dec 04 09:44:41 2017 +0000
@@ -1,20 +1,131 @@
 #include "mbed.h"
 #include "nRF24L01P.h"
+#include "ESP8266.h"
 
 Serial pc(USBTX, USBRX); // tx, rx
 
 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4);    // MOSI, MISO, SCK, CSN, CE, IRQ
-DigitalOut GreenLED(PTA12);
+DigitalOut GreenLED(LED2);
+
+
+ESP8266 wifi(PTE0, PTE1, 115200);
+
+//buffers for wifi library
+char resp[1000];
+char http_cmd[300], comm[300];
+char count[1];
+int timeout = 8000;
+
+//SSID and password for connection
+#define SSID "TAT"
+#define PASS "tatuniversity"
+
+//Remote IP
+#define IP "184.106.153.149" //  52.202.122.57
+//global variable
+//float potvalue = 0;
+//float litvalue = 0;
+
+//Update key for thingspeak
+char* Update_Key = "P2GMSKA9NY7KV0LW";
+
+
+
+
+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");
 
 
-int main() {
-    
-    char count[2];
+    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=%d",Update_Key,count);
+
+    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()
+{
     char RxDataCnt;
     char temp;
 
     my_nrf24l01p.powerUp();
-    my_nrf24l01p.setRfFrequency(2410);
+    my_nrf24l01p.setRfFrequency(2500);
 
     // Display the (default) setup of the nRF24L01+ chip
     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
@@ -23,29 +134,18 @@
     pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
     pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
 
-    pc.printf( "Simple 2 Byte Receiver\r\n" );
-    
     RxDataCnt = 2;
     my_nrf24l01p.setTransferSize( RxDataCnt );
-    
     my_nrf24l01p.setReceiveMode();
     my_nrf24l01p.enable();
-
+    wifi_initialize();
     while (1) {
-
-        // If we've received anything in the nRF24L01+...
-        if ( my_nrf24l01p.readable() ) {
-
-            // ...read the data into the receive buffer
+        //if ( my_nrf24l01p.readable() ) {
             temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt );
-
-
-            pc.printf( "Cnt %d = %d %d\r\n",temp,count[0],count[1]);
-
-
-            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
-            GreenLED = !GreenLED;
+            pc.printf( "%d\r\n",count[0]);
             wait_ms(10);
-        }
+        //}
+        wifi_send();
+        wait(30);
     }
 }