from tcp import mysocket
try:
server = mysocket() #New socket instance
server.server('192.168.1.192',
4200) #Setup server in IP:PORT (localhost for testing)
server.accept()
while True: #Accept client connection
data = server.receive() #Receive data from client (ALWAYS A STRING)
print "From client: ", data #Print data (again because mysocket().receive() print it)
finally:
server.closesocket() #Close connection
return True
else:
return False
def axe_move(axe): #Return axe's value when its move
if event.type == ecodes.EV_ABS: #Check if it is an absolute axis related event
if event.code == axe: #If 'axe' moved:
return event.value
#This is the main part of the program. It connects to a TCP network created by Raspberry.
#From the PS3 controller, it detects the axes R2 and L2, then send the values to Raspberry and
#and finally it shows in screen which axe has been pressed and the value sent to Raspberry
try:
client = tcp.mysocket()
client.connect("192.168.1.192", 4200)
gamepad1 = search_devices('Sony PLAYSTATION(R)3 Controller')
for event in gamepad1.read_loop():
axe = axe_move(r2_axe)
if axe is not None:
client.send("RIGHT")
client.send(str(axe))
print "RIGHT: ", axe
axe = axe_move(l2_axe)
if axe is not None:
client.send("LEFT")
client.send(str(axe))
print "LEFT: ", axe
import pwm
#Function that converts the value recived from laptop to PWM signal value
def map(bar, from_min, from_max, to_min, to_max):
return (bar - from_min) * (to_max - to_min) / (from_max -
from_min) + to_min
try:
right_pin = pwm.__init__(20, 50)
left_pin = pwm.__init__(21, 50)
pwm.start(right_pin, 0)
pwm.start(left_pin, 0)
server = tcp.mysocket()
server.server("192.168.1.192", 4200) #RPI IP
server.accept()
exit = False
while not exit:
tcp_input = server.receive()
if tcp_input == "RIGHT":
right_motor = map(int(server.receive()), 0, 255, 0, 100)
pwm.changedc(right_pin, right_motor)
elif tcp_input == "LEFT":
left_motor = map(int(server.receive()), 0, 255, 0, 100)
pwm.changedc(left_pin, left_motor)
elif tcp_input == "EXIT":
exit = True
from tcp import mysocket
try:
client = mysocket() #New socket instance
client.connect() #Conect to IP:PORT (locahost for testing)
while True:
client.send(
raw_input()) #Send a string to the server (IT MUST BE A STRING)
finally:
client.closesocket() #Close connection
