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Switch to the new bcd_clocktime conversion routines, and add calls to the

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new clock_dbgprint_xxx() functions.
This commit is contained in:
Ian Lepore 2018-03-05 00:15:56 +00:00
parent 29e14eea8c
commit bbff059175
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=330431
1 changed files with 25 additions and 36 deletions
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61
sys/dev/iicbus/ds3231.c
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@ -377,7 +377,7 @@ ds3231_attach(device_t dev)
sc->sc_dev = dev;
sc->sc_addr = iicbus_get_addr(dev);
sc->sc_last_c = -1;
sc->sc_year0 = 1900;
sc->sc_year0 = 0;
sc->enum_hook.ich_func = ds3231_start;
sc->enum_hook.ich_arg = dev;
@ -477,7 +477,7 @@ static int
ds3231_gettime(device_t dev, struct timespec *ts)
{
int c, error;
struct clocktime ct;
struct bcd_clocktime bct;
struct ds3231_softc *sc;
uint8_t data[7], hourmask;
@ -505,13 +505,14 @@ ds3231_gettime(device_t dev, struct timespec *ts)
} else
hourmask = DS3231_HOUR_MASK_24HR;
ct.nsec = 0;
ct.sec = FROMBCD(data[DS3231_SECS] & DS3231_SECS_MASK);
ct.min = FROMBCD(data[DS3231_MINS] & DS3231_MINS_MASK);
ct.hour = FROMBCD(data[DS3231_HOUR] & hourmask);
ct.day = FROMBCD(data[DS3231_DATE] & DS3231_DATE_MASK);
ct.mon = FROMBCD(data[DS3231_MONTH] & DS3231_MONTH_MASK);
ct.year = FROMBCD(data[DS3231_YEAR] & DS3231_YEAR_MASK);
bct.nsec = 0;
bct.sec = data[DS3231_SECS] & DS3231_SECS_MASK;
bct.min = data[DS3231_MINS] & DS3231_MINS_MASK;
bct.hour = data[DS3231_HOUR] & hourmask;
bct.day = data[DS3231_DATE] & DS3231_DATE_MASK;
bct.mon = data[DS3231_MONTH] & DS3231_MONTH_MASK;
bct.year = data[DS3231_YEAR] & DS3231_YEAR_MASK;
bct.ispm = data[DS3231_HOUR] & DS3231_HOUR_IS_PM;
/*
* If the century flag has toggled since we last saw it, there has been
@ -522,29 +523,20 @@ ds3231_gettime(device_t dev, struct timespec *ts)
if (sc->sc_last_c == -1)
sc->sc_last_c = c;
else if (c != sc->sc_last_c) {
sc->sc_year0 += 100;
sc->sc_year0 += 0x100;
sc->sc_last_c = c;
}
ct.year += sc->sc_year0;
if (ct.year < POSIX_BASE_YEAR)
ct.year += 100; /* assume [1970, 2069] */
bct.year |= sc->sc_year0;
/* If running in AM/PM mode, deal with it. */
if (sc->sc_use_ampm) {
if (ct.hour == 12)
ct.hour = 0;
if (data[DS3231_HOUR] & DS3231_HOUR_IS_PM)
ct.hour += 12;
}
return (clock_ct_to_ts(&ct, ts));
clock_dbgprint_bcd(sc->sc_dev, CLOCK_DBG_READ, &bct);
return (clock_bcd_to_ts(&bct, ts, sc->sc_use_ampm));
}
static int
ds3231_settime(device_t dev, struct timespec *ts)
{
int error;
struct clocktime ct;
struct bcd_clocktime bct;
struct ds3231_softc *sc;
uint8_t data[7];
uint8_t pmflags;
@ -556,27 +548,24 @@ ds3231_settime(device_t dev, struct timespec *ts)
* disables utc adjustment, so apply that ourselves.
*/
ts->tv_sec -= utc_offset();
clock_ts_to_ct(ts, &ct);
clock_ts_to_bcd(ts, &bct, sc->sc_use_ampm);
clock_dbgprint_bcd(sc->sc_dev, CLOCK_DBG_WRITE, &bct);
/* If the chip is in AM/PM mode, adjust hour and set flags as needed. */
if (sc->sc_use_ampm) {
pmflags = DS3231_HOUR_USE_AMPM;
if (ct.hour >= 12) {
ct.hour -= 12;
if (bct.ispm)
pmflags |= DS3231_HOUR_IS_PM;
}
if (ct.hour == 0)
ct.hour = 12;
} else
pmflags = 0;
data[DS3231_SECS] = TOBCD(ct.sec);
data[DS3231_MINS] = TOBCD(ct.min);
data[DS3231_HOUR] = TOBCD(ct.hour) | pmflags;
data[DS3231_DATE] = TOBCD(ct.day);
data[DS3231_WEEKDAY] = ct.dow + 1;
data[DS3231_MONTH] = TOBCD(ct.mon);
data[DS3231_YEAR] = TOBCD(ct.year % 100);
data[DS3231_SECS] = bct.sec;
data[DS3231_MINS] = bct.min;
data[DS3231_HOUR] = bct.hour | pmflags;
data[DS3231_DATE] = bct.day;
data[DS3231_WEEKDAY] = bct.dow + 1;
data[DS3231_MONTH] = bct.mon;
data[DS3231_YEAR] = bct.year & 0xff;
if (sc->sc_last_c)
data[DS3231_MONTH] |= DS3231_C_MASK;