def main(): joystick = init_joystick() device = hamr_serial.initialize(port, baudrate, timeout_=2, write_timeout_=2) hamr_serial.connect(device) time.sleep(1) # device.write(b'1') # device.write(b'1') sig_r_prev = 0 sig_l_prev = 0 sig_t_prev = 0 while (True): time.sleep(.1) commands = get_readings(joystick, 0) # obtain signals x = commands[0] # left/right y = -commands[1] # forward/backward theta = commands[2] # rotation # round signals sig_r = str(int(y * 10) / 10.0) sig_l = str(int(x * 10) / 10.0) sig_t = str(int(theta * 10) / 10.0) # send data to HAMR if (sig_r != sig_r_prev or sig_t != sig_t_prev): sending = "" if device.is_open: sending = "sending:" device.write(SIG_R_MOTOR) device.write(sig_r) time.sleep(.1) # uncomment this part to send these signals # device.write(SIG_L_MOTOR) # device.write(sig_l) # time.sleep(.1) device.write(SIG_T_MOTOR) device.write(sig_t) time.sleep(.1) sig_r_prev = sig_t sig_l_prev = sig_l sig_t_prev = sig_r print sending + sig_r + ", " + sig_t
def main(): joystick = init_joystick() device = hamr_serial.initialize(port, baudrate, timeout_=2, write_timeout_=2) hamr_serial.connect(device) time.sleep(1) # device.write(b'1') # device.write(b'1') sig_r_prev = 0 sig_l_prev = 0 sig_t_prev = 0 while (True): time.sleep(.1) commands = get_readings(joystick, 0) # obtain signals x = commands[0] # left/right y = -commands[1] # forward/backward theta = commands[2] # rotation # round signals sig_r = str(int(y * 10) / 10.0) sig_l = str(int(x * 10) / 10.0) sig_t = str(int(theta * 10) / 10.0) # send data to HAMR if(sig_r != sig_r_prev or sig_t != sig_t_prev): sending = "" if device.is_open: sending = "sending:" device.write(SIG_R_MOTOR) device.write(sig_r) time.sleep(.1) # uncomment this part to send these signals # device.write(SIG_L_MOTOR) # device.write(sig_l) # time.sleep(.1) device.write(SIG_T_MOTOR) device.write(sig_t) time.sleep(.1) sig_r_prev = sig_t sig_l_prev = sig_l sig_t_prev = sig_r print sending + sig_r + ", " + sig_t
def main(): global device global reading # while this is true, thread_read is still alive global continue_reading # If this is true, then the thread_read thread will not exit # begin setup hamr serial connection reading = False device = hamr_serial.initialize(PORT, BAUDRATE, timeout_=.3, write_timeout_=.3) # begin joystick thread thread_joystick = threading.Thread(target=read_joystick) thread_joystick.start() # begin animating plot anim = animation.FuncAnimation(fig, update_animation, init_func=init_blit, interval=GRAPH_UPDATE_DELAY, blit=BLIT) plt.show() # program was closed continue_reading = False # tell thread_read to exit while reading: pass # wait until thread_read has finished device.close() print 'Program Exitted'
def main(): global device global reading # while this is true, thread_read is still alive global continue_reading # If this is true, then the thread_read thread will not exit # begin setup hamr serial connection reading = False device = hamr_serial.initialize(PORT, BAUDRATE, timeout_=0.3, write_timeout_=0.3) # begin joystick thread thread_joystick = threading.Thread(target=read_joystick) thread_joystick.start() # begin animating plot anim = animation.FuncAnimation(fig, update_animation, init_func=init_blit, interval=GRAPH_UPDATE_DELAY, blit=BLIT) plt.show() # program was closed continue_reading = False # tell thread_read to exit while reading: pass # wait until thread_read has finished device.close() print "Program Exitted"
def initialize_hamr(): global device device = hamr_serial.initialize(port, baudrate, timeout_=2, write_timeout_=2) hamr_serial.connect(device) time.sleep(1)