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 3:3fbf0efec25a, committed 2012-08-01
- Comitter:
- emilmont
- Date:
- Wed Aug 01 13:03:13 2012 +0000
- Parent:
- 2:563aa530f0dd
- Child:
- 4:4aa1faf9363e
- Commit message:
- Update socket library
Changed in this revision
--- a/EthernetInterface.lib Thu Jul 26 16:45:55 2012 +0000 +++ b/EthernetInterface.lib Wed Aug 01 13:03:13 2012 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/EthernetInterface/#b7a3766f6253 +http://mbed.org/users/mbed_official/code/EthernetInterface/#0d9ae7845bfe
--- 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) {}
--- a/mbed-rtos.lib Thu Jul 26 16:45:55 2012 +0000 +++ b/mbed-rtos.lib Wed Aug 01 13:03:13 2012 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/#4238c328365e +http://mbed.org/users/mbed_official/code/mbed-rtos/#70bd33086f56