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cpu/sam0_common: clean up formatting

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Make the code nicer to read.
This commit is contained in:
Benjamin Valentin 2020-05-06 14:11:47 +02:00
parent e93c9a82f1
commit 5481d8c73a
1 changed files with 18 additions and 7 deletions
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25
cpu/sam0_common/periph/rtc.c
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@ -66,7 +66,9 @@ static inline void _rtc_set_enabled(bool on)
static void _rtc_clock_setup(void)
{
/* Use 1024 Hz GCLK3 */
GCLK->CLKCTRL.reg = GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_GEN(SAM0_GCLK_1KHZ) | GCLK_CLKCTRL_ID_RTC;
GCLK->CLKCTRL.reg = GCLK_CLKCTRL_CLKEN
| GCLK_CLKCTRL_GEN(SAM0_GCLK_1KHZ)
| GCLK_CLKCTRL_ID_RTC;
while (GCLK->STATUS.bit.SYNCBUSY) {}
}
#else
@ -121,7 +123,8 @@ int rtc_set_time(struct tm *time)
/* normalize input */
rtc_tm_normalize(time);
if ((time->tm_year < reference_year) || (time->tm_year > reference_year + 63)) {
if ((time->tm_year < reference_year) ||
(time->tm_year > reference_year + 63)) {
return -1;
}
else {
@ -139,15 +142,18 @@ int rtc_set_time(struct tm *time)
int rtc_get_time(struct tm *time)
{
RTC_MODE2_CLOCK_Type clock;
RTC_MODE2_CLOCK_Type clock;
/* Read register in one time */
clock.reg = RTC->MODE2.CLOCK.reg;
time->tm_year = clock.bit.YEAR + reference_year;
if ((time->tm_year < reference_year) || (time->tm_year > (reference_year + 63))) {
if ((time->tm_year < reference_year) ||
(time->tm_year > (reference_year + 63))) {
return -1;
}
time->tm_mon = clock.bit.MONTH - 1;
time->tm_mday = clock.bit.DAY;
time->tm_hour = clock.bit.HOUR;
@ -158,11 +164,14 @@ int rtc_get_time(struct tm *time)
int rtc_set_alarm(struct tm *time, rtc_alarm_cb_t cb, void *arg)
{
/* prevent old alarm from ringing */
rtc_clear_alarm();
/* normalize input */
rtc_tm_normalize(time);
rtc_clear_alarm();
if ((time->tm_year < reference_year) || (time->tm_year > (reference_year + 63))) {
if ((time->tm_year < reference_year) ||
(time->tm_year > (reference_year + 63))) {
return -2;
}
else {
@ -197,9 +206,11 @@ int rtc_get_alarm(struct tm *time)
alarm.reg = RTC->MODE2.Mode2Alarm[0].ALARM.reg;
time->tm_year = alarm.bit.YEAR + reference_year;
if ((time->tm_year < reference_year) || (time->tm_year > (reference_year + 63))) {
if ((time->tm_year < reference_year) ||
(time->tm_year > (reference_year + 63))) {
return -1;
}
time->tm_mon = alarm.bit.MONTH - 1;
time->tm_mday = alarm.bit.DAY;
time->tm_hour = alarm.bit.HOUR;