Gerardo Carmona / Mbed 2 deprecated TCPEchoClient_Example

Basic example using a TCP protocol. Client version. It connects to a Raspberry Pi server using a Python Script.

Dependencies:   EthernetInterface mbed-rtos mbed

Fork of TCPEchoClient by Gerardo CR

Basic program.

It connects to a remote server on a LAN running a Python script. Server send data to a spreadsheet in my google docs account.

PYTHON CODE

PYTHON CODE

#!/usr/bin/python
import time
import datetime
import sys
import gspread
import socket

# Socket
port = 50006
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('', port))
s.listen(1)

# Google Acoount Details
email = 'your-email@gmail.com'
password = 'your-password'
spreadsheet = 'ldr'

# Login with your Google account
try:
  gc = gspread.login(email, password)
except:
  print "unable to login in. Check your email address/password"
  sys.exit()
  
# Open a worksheet for your spreadsheet using the filename
try:
  wks = gc.open(spreadsheet).sheet1
except:
  print ("unable to open the spredsheet.  Check your filename: %s") % spreadsheet
  sys.exit()

time.sleep(1)

input = 0

conn, addr = s.accept()
print 'Connected by', addr

while True:  
    input = conn.recv(1024)
    print(input)
    print(datetime.datetime.now(), input)
    print('write angle to gdocs')
    try:
      values = [datetime.datetime.now(), input]
      wks.append_row(values)
    except:
      print ("Unable to append data.  Check your connection?")
      sys.exit()

Diff: main.cpp

Revision:
3:3fbf0efec25a
Parent:
2:563aa530f0dd
Child:
7:a6f3768bc4b7
--- a/main.cpp	Thu Jul 26 16:45:55 2012 +0000
+++ b/main.cpp	Wed Aug 01 13:03:13 2012 +0000
@@ -1,8 +1,8 @@
 #include "mbed.h"
 #include "EthernetInterface.h"
 
-const char* ECHO_SERVER_ADDRESS = "10.2.131.73";
-const int ECHO_PORT = 7;
+const char* ECHO_SERVER_ADDRESS = "192.168.0.51";
+const int ECHO_SERVER_PORT = 7;
 
 int main() {
     EthernetInterface eth;
@@ -10,21 +10,21 @@
     eth.connect();
     printf("IP Address is %s\n", eth.getIPAddress());
     
-    TCPSocketConnection sock;
-    while (sock.connect(ECHO_SERVER_ADDRESS, ECHO_PORT) < 0) {
-        printf("Unable to connect to (%s) on port (%d)\n", ECHO_SERVER_ADDRESS, ECHO_PORT);
+    TCPSocketConnection socket;
+    while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0) {
+        printf("Unable to connect to (%s) on port (%d)\n", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);
         wait(1);
     }
     
     char hello[] = "Hello World\n";
-    sock.send_all(hello, sizeof(hello) - 1);
+    socket.send_all(hello, sizeof(hello) - 1);
     
     char buf[256];
-    int n = sock.receive(buf, 256);
+    int n = socket.receive(buf, 256);
     buf[n] = '\0';
     printf("%s", buf);
     
-    sock.close();
+    socket.close();
     eth.disconnect();
     
     while(true) {}