def main():
mcu = Arduino()
mcu.pin(9).mode = OUTPUT
mcu.pin(9).write_digital_out(1)
pwm = mcu.pin(9).pwm
pwm.set_high_freq_around(10000)
print 'real frequency=', pwm.read_frequency()
def main(n=40, pin_nr=13, reset=False):
"""
measuring analog input
"""
mcu = Arduino(reset=reset)
pin = mcu.pin(pin_nr)
pin.write_mode(INPUT)
x = []
y = []
start = time.time()
for i in range(n):
t = time.time() - start
v = pin.read_analog()
x.append(t)
y.append(v)
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(x, y, "b-o")
ax.yaxis.set_major_formatter(FuncFormatter(lambda x, pos: ("%d") % (x)))
ax.set_ylabel("analog value")
ax.xaxis.set_major_formatter(FuncFormatter(lambda x, pos: "%.0f" % (1000 * x)))
ax.set_xlabel("milliseconds")
plt.show()
def test_counter():
if (sys.version_info < (2, 6, 0)):
from nose.plugins.skip import SkipTest
raise SkipTest
mcu = Arduino()
reg = mcu.registers.proxy
mcu.pins.reset()
p = mcu.pin(5)
p.write_mode(OUTPUT)
p.pwm.write_value(128)
print 'frequencies_available:', p.pwm.frequencies_available
for fset in p.pwm.frequencies_available:
p.pwm.frequency = fset
assert abs(p.pwm.frequency - fset) <= 1
print '---------------------------'
print 'fset=', fset
print '---------------------------'
for ms in [10, 20, 50, 100, 200, 500, 1000]:
for _ in range(1):
t = ms / 1000.0
with mcu.counter:
mcu.counter.run(t)
f = mcu.counter.frequency
t = mcu.counter.gate_time
err = f - fset
print 't=%s f=%s ' % (t, f)
ok_(abs(nominal_value(err)) <= 0.1+std_dev(err),
(abs(nominal_value(err)),std_dev(err)))
def main():
mcu = Arduino()
p = mcu.pin(9)
print p.read_mode()
p.write_mode(1)
print p.read_mode()
mcu.pins.reset()
print p.read_mode()
def main():
mcu = Arduino()
print 'mcu.bandgap_voltage =', mcu.bandgap_voltage
print 'mcu.vcc.voltage =', mcu.vcc.voltage
print 'mcu.vcc.u_voltage =', mcu.vcc.u_voltage
print 'mcu.vcc.read_u_voltage() =', mcu.vcc.read_u_voltage()
print 'mcu.vcc.read_voltage() =', mcu.vcc.read_voltage()
print 'mcu.read_u_vcc() =', mcu.read_u_vcc()
print 'mcu.read_vcc() =', mcu.read_vcc()
def main(
t=0.1,
):
mcu = Arduino()
while 1:
for x in mcu.pins.range_analog:
pin = mcu.pin(x)
print '%s:%s' % (pin.name, pin.read_analog()),
print
time.sleep(t)
def main(pin=''):
'''
:param pin: examples: 'D0','A2'
'''
mcu = Arduino(reset=False)
if pin:
pin = mcu.pin(pin)
BoardWrapper(mcu=mcu).configure_traits()
def dig_out():
dev = Arduino()
dev.reset()
pin = dev.pin(8)
pin.mode = OUTPUT
pin2 = dev.pin('A0')
while 1:
time.sleep(0.001)
pin.dig_out = 0
pin2.analog_in().value
pin.dig_out = 1
pin2.analog_in().value
def main(
reconnect_time=5,
func='usbPoll',
disable_interrupts=0,
sleep_between_calls=0,
delay=0.001,
):
mcu = Arduino()
mcu.pins.reset()
count = 0
fail = 0
t1 = time.time()
while 1:
count += 1
t2 = time.time()
if (t2 - t1) > 2:
t1 = t2
print dict(
delay=delay,
func=func,
disable_interrupts=disable_interrupts,
sleep_between_calls=sleep_between_calls,
count=count,
fail=fail,
)
try:
mcu.delay_test(delay,
func,
disable_interrupts=disable_interrupts)
time.sleep(sleep_between_calls)
mcu.firmware_test()
except (usb.USBError, ArduinoUsbDeviceError), e:
print('USBError: %s reconnect_time: %s s' % (str(
e), reconnect_time))
# time for reconnect
time.sleep(reconnect_time)
# mcu.connect()
fail += 1
def usbdump():
mcu = Arduino()
print
print '================================'
print 'Arduino() attributes:'
print '================================'
dump(mcu)
print
print '================================'
print 'Arduino().usb attributes:'
print '================================'
dump(mcu.usb)
print
print '================================'
print 'Arduino().pins attributes:'
print '================================'
dump(mcu.pins)
print
print '================================'
print 'Arduino().pin(nr) attributes:'
print '================================'
for nr in mcu.pins.range_all:
print '---------- nr=%s ---------------' % nr
dump(mcu.pin(nr))
if mcu.pin(nr).pwm.available:
print '--- pwm ---'
dump(mcu.pin(nr).pwm)
print
print '================================'
print 'Arduino().vcc attributes:'
print '================================'
dump(mcu.vcc)
print
print '================================'
print 'Arduino().defines attributes:'
print '================================'
dump(mcu.defines)
print
print '================================'
print 'Arduino().registers attributes:'
print '================================'
dump(mcu.registers)
print
print
print '================================'
print 'defines:'
print '================================'
for k, v in SortedDict(mcu.defines.as_dict()).items():
print '%-20s = %18s' % (k, v)
print
print '================================'
print 'registers:'
print '================================'
# , key=lambda x:mcu.registers.address(x[0]) # sort by address
for k, v in SortedDict(mcu.registers.as_dict()).items():
print '%-20s = 0x%02X @0x%2X (%s)' % (k, v, mcu.registers.address(k), mcu.registers.size(k))
def main():
mcu = Arduino()
print 'F_CPU=', mcu.define('F_CPU')
print 'DDRC=', mcu.register('DDRC').read_value()