def api_pin(pin_name):
if request.method == 'PUT':
if request.json['status'] == 'high':
nerves.on(pin_name)
elif request.json['status'] == 'low':
nerves.off(pin_name)
return Response('OK', mimetype='text/plain')
elif request.method == 'GET':
# Return 501 not implemented error
abort(501)
def main(screen):
curses.start_color()
curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK) # PAIR 1 = GREEN
screen.nodelay(1)
nerves.setup()
red_LED_status = False
green_LED_status = False
while True:
screen.clear()
screen.border()
add_multi_str(screen, 3, 23, '''UP\t- Go forward
DOWN\t- Go backwards
LEFT\t- Rotate counter-clockwise
RIGHT\t- Rotate clockwise
s\t- Stop motors
r\t- Toggles red LED
g\t- Toggles blue LED
q\t- Stop motors and quit''', 1)
char = screen.getch()
if char == ord('q'):
nerves.shutdown()
break
elif char == curses.KEY_UP:
stop_motors()
nerves.on(nerves.LMF)
nerves.on(nerves.RMF)
elif char == curses.KEY_DOWN:
stop_motors()
nerves.on(nerves.LMB)
nerves.on(nerves.RMB)
elif char == curses.KEY_LEFT:
stop_motors()
nerves.on(nerves.LMB)
nerves.on(nerves.RMF)
elif char == curses.KEY_RIGHT:
stop_motors()
nerves.on(nerves.LMF)
nerves.on(nerves.RMB)
elif char == ord('s'):
stop_motors()
elif char == ord('r'):
if red_LED_status:
nerves.off(nerves.R_LED)
red_LED_status = False
else:
nerves.on(nerves.R_LED)
red_LED_status = True
elif char == ord('g'):
if green_LED_status:
nerves.off(nerves.G_LED)
green_LED_status = False
else:
nerves.on(nerves.G_LED)
green_LED_status = True
time.sleep(0.1)
def stop_motors():
nerves.off(nerves.LMF)
nerves.off(nerves.RMF)
nerves.off(nerves.LMB)
nerves.off(nerves.RMB)
return