Gerardo Carmona
Basic example using a TCP protocol. Client version. It connects to a Raspberry Pi server using a Python Script.
Dependencies: EthernetInterface mbed-rtos mbed
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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()
Revision 1:a51d8ed156e6, committed 2012-07-26
- Comitter:
- emilmont
- Date:
- Thu Jul 26 10:10:48 2012 +0000
- Parent:
- 0:e8f884c94549
- Child:
- 2:563aa530f0dd
- Commit message:
- First implementation
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetInterface.lib Thu Jul 26 10:10:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/EthernetInterface/#56438e188f04
--- a/main.cpp Thu Jul 26 10:04:15 2012 +0000
+++ b/main.cpp Thu Jul 26 10:10:48 2012 +0000
@@ -1,1 +1,31 @@
#include "mbed.h"
+#include "EthernetInterface.h"
+
+const char* ECHO_SERVER_ADDRESS = "10.2.131.73";
+const int ECHO_PORT = 7;
+
+int main() {
+ EthernetInterface eth;
+ eth.init(); //Use DHCP
+ 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);
+ wait(1);
+ }
+
+ char hello[] = "Hello World\n";
+ sock.send_all(hello, sizeof(hello) - 1);
+
+ char buf[256];
+ int n = sock.receive(buf, 256);
+ // buf[n] = '\0';
+ printf("%s", buf);
+
+ sock.close();
+ eth.disconnect();
+
+ while(true) {}
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Thu Jul 26 10:10:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#4238c328365e