def test_invalid_time_source():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(1))
with pytest.raises(TypeError):
device.set_alarm_time(None)
with pytest.raises(TypeError):
device.set_alarm_time(None, weekday=1)
def test_alarm_hours_24():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(1, default_registers={
0x08: 0b00100001, # 21 hours
}))
assert device.get_alarm_time().hour == 21
def test_unix_time_lsb():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(1, default_registers={
0x1b: 0xff # Bits 0-7 of UNIX_TIME
}))
assert device.get_unix_time() == 0xff
def test_timer_value():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(
1,
default_registers={
0x0a: 0xff, # Bits 0-7 of TIMER_VALUE,
0x0b: 0x0f # Bits 11-8 of TIMER_VVALUE
}))
assert device.get_periodic_timer_countdown_value() == 0xfff
def test_timer_status():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(
1,
default_registers={
0x0c: 0xff, # Bits 0-7 of TIMER_STATUS,
0x0d: 0x0f # Bits 11-8 of TIMER_STATUS
}))
assert device.get_periodic_timer_countdown_status() == 0xfff
def test_time_and_date():
t = datetime.time(12, 39, 7)
d = datetime.date(2020, 2, 29)
smbus = MockSMBus(1)
import rv3028
device = rv3028.RV3028(i2c_dev=smbus)
device.set_time(t)
device.set_date(d)
assert device.get_time() == t
assert device.get_date() == d
assert smbus.regs[0x02] == 0b00010010
assert smbus.regs[0x05] == 0b00000010
assert smbus.regs[
0x06] == 0b00100000 # 2020, but we have a year offset of +2000 internally so the BCD value is just 20
def test_setup():
sys.modules['smbus'] = mock.Mock()
sys.modules['smbus'].SMBus = MockSMBus
import rv3028
device = rv3028.RV3028()
device.reset()
device.get_id()
device.set_time_and_date((2001, 1, 1, 1, 1, 1))
current = device.get_time_and_date()
device.set_time_and_date(current)
device.set_unix_time(0xFF)
unix_time = device.get_unix_time()
device.set_unix_time(unix_time)
device.set_alarm_time((1, 1, 1, 1), 1)
device.get_alarm_time()
device.set_alarm_setting('disabled_monthly')
device.get_alarm_setting()
device.get_alarm_interrupt()
device.clear_alarm_interrupt()
for settings in device.alarm_frequency:
device.set_alarm_setting(settings)
device.get_alarm_setting()
device.set_battery_switchover('level_switching_mode')
device.get_battery_switchover()
device.clear_all_interrupts()
device.get_all_interrupts()
device.stop_periodic_timer()
device.set_periodic_timer_frequency('1Hz')
device.get_periodic_timer_frequency()
device.set_periodic_timer_countdown_value(0xFFFF)
device.get_periodic_timer_countdown_value()
device.get_periodic_timer_countdown_status()
device.start_periodic_timer()
device.clear_periodic_countdown_timer_interrupt()
device.get_periodic_countdown_timer_interrupt()
del device
#!/usr/bin/env python
import rv3028
import time
print(
"""set-countdown-timer.py - Set the periodic countdown timer to 5 x 1 second ticks and waits for alarm to be triggered.
Press Ctrl+C to exit.
""")
# Create RV3028 instance
rtc = rv3028.RV3028()
countdown_time = 5
try:
rtc.stop_periodic_timer()
rtc.set_periodic_timer_frequency(
'1Hz'
) # Frequency of each timer tick can take '4036Hz', '63Hz','1Hz', '0.016Hz' (1Hz == 1 second)
rtc.set_periodic_timer_countdown_value(
countdown_time
) # Set number of timer ticks before countdown alarm is triggered
rtc.clear_periodic_countdown_timer_interrupt()
rtc.start_periodic_timer() # Start timer running
print('Countdown timer set for {} seconds\n'.format(countdown_time))
while not rtc.get_periodic_countdown_timer_interrupt():
print('Countdown is {}'.format(rtc.get_periodic_timer_countdown_status(
))) # Show how many ticks are left of the countdown
def test_invalid_datetime_source():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(1))
with pytest.raises(TypeError):
device.set_time_and_date(None)
def test_set_alarm_time():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(1))
device.set_alarm_time(datetime.datetime(2020, 2, 29, 12, 44))
device.set_alarm_time(datetime.datetime(2020, 2, 29, 12, 44), weekday=1)
def test_set_alarm_time_tuple():
import rv3028
device = rv3028.RV3028(i2c_dev=MockSMBus(1))
device.set_alarm_time((1, 12, 44))
device.set_alarm_time((12, 44), weekday=1)
