コード例 #1
0
ファイル: fatfs_port.c プロジェクト: 19emtuck/micropython
DWORD get_fattime(void) {
    rtc_init_finalise();
    RTC_TimeTypeDef time;
    RTC_DateTypeDef date;
    HAL_RTC_GetTime(&RTCHandle, &time, FORMAT_BIN);
    HAL_RTC_GetDate(&RTCHandle, &date, FORMAT_BIN);
    return ((2000 + date.Year - 1980) << 25) | ((date.Month) << 21) | ((date.Date) << 16) | ((time.Hours) << 11) | ((time.Minutes) << 5) | (time.Seconds / 2);
}
コード例 #2
0
ファイル: modutime.c プロジェクト: 19emtuck/micropython
/// \function time()
/// Returns the number of seconds, as an integer, since 1/1/2000.
STATIC mp_obj_t time_time(void) {
    // get date and time
    // note: need to call get time then get date to correctly access the registers
    rtc_init_finalise();
    RTC_DateTypeDef date;
    RTC_TimeTypeDef time;
    HAL_RTC_GetTime(&RTCHandle, &time, FORMAT_BIN);
    HAL_RTC_GetDate(&RTCHandle, &date, FORMAT_BIN);
    return mp_obj_new_int(timeutils_seconds_since_2000(2000 + date.Year, date.Month, date.Date, time.Hours, time.Minutes, time.Seconds));
}
コード例 #3
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ファイル: fatfs_port.c プロジェクト: DanielO/micropython
MP_WEAK DWORD get_fattime(void) {
    #if MICROPY_HW_ENABLE_RTC
    rtc_init_finalise();
    RTC_TimeTypeDef time;
    RTC_DateTypeDef date;
    HAL_RTC_GetTime(&RTCHandle, &time, RTC_FORMAT_BIN);
    HAL_RTC_GetDate(&RTCHandle, &date, RTC_FORMAT_BIN);
    return ((2000 + date.Year - 1980) << 25) | ((date.Month) << 21) | ((date.Date) << 16) | ((time.Hours) << 11) | ((time.Minutes) << 5) | (time.Seconds / 2);
    #else
    // Jan 1st, 2018 at midnight. Not sure what timezone.
    return ((2018 - 1980) << 25) | ((1) << 21) | ((1) << 16) | ((0) << 11) | ((0) << 5) | (0 / 2);
    #endif
}
コード例 #4
0
ファイル: rtc.c プロジェクト: 19emtuck/micropython
// calibration(None)
// calibration(cal)
// When an integer argument is provided, check that it falls in the range [-511 to 512]
// and set the calibration value; otherwise return calibration value
mp_obj_t pyb_rtc_calibration(mp_uint_t n_args, const mp_obj_t *args) {
    rtc_init_finalise();
    mp_int_t cal;
    if (n_args == 2) {
        cal = mp_obj_get_int(args[1]);
        mp_uint_t cal_p, cal_m;
        if (cal < -511 || cal > 512) {
#if defined(MICROPY_HW_RTC_USE_CALOUT) && MICROPY_HW_RTC_USE_CALOUT
            if ((cal & 0xfffe) == 0x0ffe) {
                // turn on/off X18 (PC13) 512Hz output
                // Note:
                //      Output will stay active even in VBAT mode (and inrease current)
                if (cal & 1) {
                    HAL_RTCEx_SetCalibrationOutPut(&RTCHandle, RTC_CALIBOUTPUT_512HZ);
                } else {
                    HAL_RTCEx_DeactivateCalibrationOutPut(&RTCHandle);
                }
                return mp_obj_new_int(cal & 1);
            } else {
                nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError,
                               "calibration value out of range"));
            }
#else
            nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError,
                "calibration value out of range"));
#endif
        }
        if (cal > 0) {
            cal_p = RTC_SMOOTHCALIB_PLUSPULSES_SET;
            cal_m = 512 - cal;
        } else {
            cal_p = RTC_SMOOTHCALIB_PLUSPULSES_RESET;
            cal_m = -cal;
        }
        HAL_RTCEx_SetSmoothCalib(&RTCHandle, RTC_SMOOTHCALIB_PERIOD_32SEC, cal_p, cal_m);
        return mp_const_none;
    } else {
        // printf("CALR = 0x%x\n", (mp_uint_t) RTCHandle.Instance->CALR); // DEBUG
        // Test if CALP bit is set in CALR:
        if (RTCHandle.Instance->CALR & 0x8000) {
            cal = 512 - (RTCHandle.Instance->CALR & 0x1ff);
        } else {
            cal = -(RTCHandle.Instance->CALR & 0x1ff);
        }
        return mp_obj_new_int(cal);
    }
}
コード例 #5
0
ファイル: rtc.c プロジェクト: 19emtuck/micropython
mp_obj_t pyb_rtc_datetime(mp_uint_t n_args, const mp_obj_t *args) {
    rtc_init_finalise();
    if (n_args == 1) {
        // get date and time
        // note: need to call get time then get date to correctly access the registers
        RTC_DateTypeDef date;
        RTC_TimeTypeDef time;
        HAL_RTC_GetTime(&RTCHandle, &time, FORMAT_BIN);
        HAL_RTC_GetDate(&RTCHandle, &date, FORMAT_BIN);
        mp_obj_t tuple[8] = {
            mp_obj_new_int(2000 + date.Year),
            mp_obj_new_int(date.Month),
            mp_obj_new_int(date.Date),
            mp_obj_new_int(date.WeekDay),
            mp_obj_new_int(time.Hours),
            mp_obj_new_int(time.Minutes),
            mp_obj_new_int(time.Seconds),
            mp_obj_new_int(rtc_subsec_to_us(time.SubSeconds)),
        };
        return mp_obj_new_tuple(8, tuple);
    } else {
        // set date and time
        mp_obj_t *items;
        mp_obj_get_array_fixed_n(args[1], 8, &items);

        RTC_DateTypeDef date;
        date.Year = mp_obj_get_int(items[0]) - 2000;
        date.Month = mp_obj_get_int(items[1]);
        date.Date = mp_obj_get_int(items[2]);
        date.WeekDay = mp_obj_get_int(items[3]);
        HAL_RTC_SetDate(&RTCHandle, &date, FORMAT_BIN);

        RTC_TimeTypeDef time;
        time.Hours = mp_obj_get_int(items[4]);
        time.Minutes = mp_obj_get_int(items[5]);
        time.Seconds = mp_obj_get_int(items[6]);
        time.SubSeconds = rtc_us_to_subsec(mp_obj_get_int(items[7]));
        time.TimeFormat = RTC_HOURFORMAT12_AM;
        time.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
        time.StoreOperation = RTC_STOREOPERATION_SET;
        HAL_RTC_SetTime(&RTCHandle, &time, FORMAT_BIN);

        return mp_const_none;
    }
}
コード例 #6
0
ファイル: modmachine.c プロジェクト: zabeloliver/micropython
STATIC mp_obj_t machine_deepsleep(void) {
    rtc_init_finalise();

#if defined(MCU_SERIES_F7)
    printf("machine.deepsleep not supported yet\n");
#else
    // We need to clear the PWR wake-up-flag before entering standby, since
    // the flag may have been set by a previous wake-up event.  Furthermore,
    // we need to disable the wake-up sources while clearing this flag, so
    // that if a source is active it does actually wake the device.
    // See section 5.3.7 of RM0090.

    // Note: we only support RTC ALRA, ALRB, WUT and TS.
    // TODO support TAMP and WKUP (PA0 external pin).
    uint32_t irq_bits = RTC_CR_ALRAIE | RTC_CR_ALRBIE | RTC_CR_WUTIE | RTC_CR_TSIE;

    // save RTC interrupts
    uint32_t save_irq_bits = RTC->CR & irq_bits;

    // disable RTC interrupts
    RTC->CR &= ~irq_bits;

    // clear RTC wake-up flags
    RTC->ISR &= ~(RTC_ISR_ALRAF | RTC_ISR_ALRBF | RTC_ISR_WUTF | RTC_ISR_TSF);

    // clear global wake-up flag
    PWR->CR |= PWR_CR_CWUF;

    // enable previously-enabled RTC interrupts
    RTC->CR |= save_irq_bits;

    // enter standby mode
    HAL_PWR_EnterSTANDBYMode();
    // we never return; MCU is reset on exit from standby
#endif
    return mp_const_none;
}
コード例 #7
0
ファイル: modutime.c プロジェクト: 19emtuck/micropython
/// \function localtime([secs])
/// Convert a time expressed in seconds since Jan 1, 2000 into an 8-tuple which
/// contains: (year, month, mday, hour, minute, second, weekday, yearday)
/// If secs is not provided or None, then the current time from the RTC is used.
/// year includes the century (for example 2014)
/// month   is 1-12
/// mday    is 1-31
/// hour    is 0-23
/// minute  is 0-59
/// second  is 0-59
/// weekday is 0-6 for Mon-Sun.
/// yearday is 1-366
STATIC mp_obj_t time_localtime(mp_uint_t n_args, const mp_obj_t *args) {
    if (n_args == 0 || args[0] == mp_const_none) {
        // get current date and time
        // note: need to call get time then get date to correctly access the registers
        rtc_init_finalise();
        RTC_DateTypeDef date;
        RTC_TimeTypeDef time;
        HAL_RTC_GetTime(&RTCHandle, &time, FORMAT_BIN);
        HAL_RTC_GetDate(&RTCHandle, &date, FORMAT_BIN);
        mp_obj_t tuple[8] = {
            mp_obj_new_int(2000 + date.Year),
            mp_obj_new_int(date.Month),
            mp_obj_new_int(date.Date),
            mp_obj_new_int(time.Hours),
            mp_obj_new_int(time.Minutes),
            mp_obj_new_int(time.Seconds),
            mp_obj_new_int(date.WeekDay - 1),
            mp_obj_new_int(timeutils_year_day(2000 + date.Year, date.Month, date.Date)),
        };
        return mp_obj_new_tuple(8, tuple);
    } else {
        mp_int_t seconds = mp_obj_get_int(args[0]);
        timeutils_struct_time_t tm;
        timeutils_seconds_since_2000_to_struct_time(seconds, &tm);
        mp_obj_t tuple[8] = {
            tuple[0] = mp_obj_new_int(tm.tm_year),
            tuple[1] = mp_obj_new_int(tm.tm_mon),
            tuple[2] = mp_obj_new_int(tm.tm_mday),
            tuple[3] = mp_obj_new_int(tm.tm_hour),
            tuple[4] = mp_obj_new_int(tm.tm_min),
            tuple[5] = mp_obj_new_int(tm.tm_sec),
            tuple[6] = mp_obj_new_int(tm.tm_wday),
            tuple[7] = mp_obj_new_int(tm.tm_yday),
        };
        return mp_obj_new_tuple(8, tuple);
    }
}
コード例 #8
0
ファイル: rtc.c プロジェクト: 19emtuck/micropython
// wakeup(None)
// wakeup(ms, callback=None)
// wakeup(wucksel, wut, callback)
mp_obj_t pyb_rtc_wakeup(mp_uint_t n_args, const mp_obj_t *args) {
    // wut is wakeup counter start value, wucksel is clock source
    // counter is decremented at wucksel rate, and wakes the MCU when it gets to 0
    // wucksel=0b000 is RTC/16 (RTC runs at 32768Hz)
    // wucksel=0b001 is RTC/8
    // wucksel=0b010 is RTC/4
    // wucksel=0b011 is RTC/2
    // wucksel=0b100 is 1Hz clock
    // wucksel=0b110 is 1Hz clock with 0x10000 added to wut
    // so a 1 second wakeup could be wut=2047, wucksel=0b000, or wut=4095, wucksel=0b001, etc

    rtc_init_finalise();

    // disable wakeup IRQ while we configure it
    HAL_NVIC_DisableIRQ(RTC_WKUP_IRQn);

    bool enable = false;
    mp_int_t wucksel;
    mp_int_t wut;
    mp_obj_t callback = mp_const_none;
    if (n_args <= 3) {
        if (args[1] == mp_const_none) {
            // disable wakeup
        } else {
            // time given in ms
            mp_int_t ms = mp_obj_get_int(args[1]);
            mp_int_t div = 2;
            wucksel = 3;
            while (div <= 16 && ms > 2000 * div) {
                div *= 2;
                wucksel -= 1;
            }
            if (div <= 16) {
                wut = 32768 / div * ms / 1000;
            } else {
                // use 1Hz clock
                wucksel = 4;
                wut = ms / 1000;
                if (wut > 0x10000) {
                    // wut too large for 16-bit register, try to offset by 0x10000
                    wucksel = 6;
                    wut -= 0x10000;
                    if (wut > 0x10000) {
                        // wut still too large
                        nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "wakeup value too large"));
                    }
                }
            }
            // wut register should be 1 less than desired value, but guard against wut=0
            if (wut > 0) {
                wut -= 1;
            }
            enable = true;
        }
        if (n_args == 3) {
            callback = args[2];
        }
    } else {
        // config values given directly
        wucksel = mp_obj_get_int(args[1]);
        wut = mp_obj_get_int(args[2]);
        callback = args[3];
        enable = true;
    }

    // set the callback
    MP_STATE_PORT(pyb_extint_callback)[22] = callback;

    // disable register write protection
    RTC->WPR = 0xca;
    RTC->WPR = 0x53;

    // clear WUTE
    RTC->CR &= ~(1 << 10);

    // wait until WUTWF is set
    while (!(RTC->ISR & (1 << 2))) {
    }

    if (enable) {
        // program WUT
        RTC->WUTR = wut;

        // set WUTIE to enable wakeup interrupts
        // set WUTE to enable wakeup
        // program WUCKSEL
        RTC->CR = (RTC->CR & ~7) | (1 << 14) | (1 << 10) | (wucksel & 7);

        // enable register write protection
        RTC->WPR = 0xff;

        // enable external interrupts on line 22
        #if defined(MCU_SERIES_L4)
        EXTI->IMR1 |= 1 << 22;
        EXTI->RTSR1 |= 1 << 22;
        #else
        EXTI->IMR |= 1 << 22;
        EXTI->RTSR |= 1 << 22;
        #endif

        // clear interrupt flags
        RTC->ISR &= ~(1 << 10);
        #if defined(MCU_SERIES_L4)
        EXTI->PR1 = 1 << 22;
        #else
        EXTI->PR = 1 << 22;
        #endif

        HAL_NVIC_SetPriority(RTC_WKUP_IRQn, IRQ_PRI_RTC_WKUP, IRQ_SUBPRI_RTC_WKUP);
        HAL_NVIC_EnableIRQ(RTC_WKUP_IRQn);

        //printf("wut=%d wucksel=%d\n", wut, wucksel);
    } else {
        // clear WUTIE to disable interrupts
        RTC->CR &= ~(1 << 14);

        // enable register write protection
        RTC->WPR = 0xff;

        // disable external interrupts on line 22
        #if defined(MCU_SERIES_L4)
        EXTI->IMR1 &= ~(1 << 22);
        #else
        EXTI->IMR &= ~(1 << 22);
        #endif
    }

    return mp_const_none;
}
コード例 #9
0
ファイル: rtc.c プロジェクト: 19emtuck/micropython
// force rtc to re-initialise
mp_obj_t pyb_rtc_init(mp_obj_t self_in) {
    rtc_init_start(true);
    rtc_init_finalise();
    return mp_const_none;
}