86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
import pyb, stm
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from pyb import RTC
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rtc = RTC()
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rtc.init()
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print(rtc)
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# make sure that 1 second passes correctly
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rtc.datetime((2014, 1, 1, 1, 0, 0, 0, 0))
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pyb.delay(1002)
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print(rtc.datetime()[:7])
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def set_and_print(datetime):
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rtc.datetime(datetime)
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print(rtc.datetime()[:7])
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# make sure that setting works correctly
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set_and_print((2000, 1, 1, 1, 0, 0, 0, 0))
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set_and_print((2000, 1, 31, 1, 0, 0, 0, 0))
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set_and_print((2000, 12, 31, 1, 0, 0, 0, 0))
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set_and_print((2016, 12, 31, 1, 0, 0, 0, 0))
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set_and_print((2016, 12, 31, 7, 0, 0, 0, 0))
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set_and_print((2016, 12, 31, 7, 1, 0, 0, 0))
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set_and_print((2016, 12, 31, 7, 12, 0, 0, 0))
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set_and_print((2016, 12, 31, 7, 13, 0, 0, 0))
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set_and_print((2016, 12, 31, 7, 23, 0, 0, 0))
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set_and_print((2016, 12, 31, 7, 23, 1, 0, 0))
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set_and_print((2016, 12, 31, 7, 23, 59, 0, 0))
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set_and_print((2016, 12, 31, 7, 23, 59, 1, 0))
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set_and_print((2016, 12, 31, 7, 23, 59, 59, 0))
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set_and_print((2099, 12, 31, 7, 23, 59, 59, 0))
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# check that calibration works correctly
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# save existing calibration value:
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cal_tmp = rtc.calibration()
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def set_and_print_calib(cal):
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rtc.calibration(cal)
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print(rtc.calibration())
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set_and_print_calib(512)
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set_and_print_calib(511)
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set_and_print_calib(345)
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set_and_print_calib(1)
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set_and_print_calib(0)
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set_and_print_calib(-1)
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set_and_print_calib(-123)
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set_and_print_calib(-510)
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set_and_print_calib(-511)
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# restore existing calibration value
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rtc.calibration(cal_tmp)
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# Check register settings for wakeup
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def set_and_print_wakeup(ms):
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try:
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rtc.wakeup(ms)
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wucksel = stm.mem32[stm.RTC + stm.RTC_CR] & 7
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wut = stm.mem32[stm.RTC + stm.RTC_WUTR] & 0xFFFF
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except ValueError:
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wucksel = -1
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wut = -1
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print((wucksel, wut))
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set_and_print_wakeup(0)
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set_and_print_wakeup(1)
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set_and_print_wakeup(4000)
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set_and_print_wakeup(4001)
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set_and_print_wakeup(8000)
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set_and_print_wakeup(8001)
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set_and_print_wakeup(16000)
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set_and_print_wakeup(16001)
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set_and_print_wakeup(32000)
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set_and_print_wakeup(32001)
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set_and_print_wakeup(0x10000 * 1000)
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set_and_print_wakeup(0x10001 * 1000)
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set_and_print_wakeup(0x1FFFF * 1000)
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set_and_print_wakeup(0x20000 * 1000)
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set_and_print_wakeup(0x20001 * 1000) # exception
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