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Merge pull request #20142 from maribu/periph_timer_query_freq-atmega

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cpu/atmega_common: implement periph_timer_query_freqs
This commit is contained in:
Marian Buschsieweke 2023-12-08 11:22:56 +00:00 committed by GitHub
commit 481e3a95d4
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3 changed files with 22 additions and 2 deletions
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3
cpu/atmega_common/Kconfig
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@ -25,9 +25,10 @@ config CPU_COMMON_ATMEGA
select HAS_PERIPH_GPIO_LL_IRQ_UNMASK
select HAS_PERIPH_PM
select HAS_PERIPH_RTC_MS
select HAS_PERIPH_RTT_OVERFLOW
select HAS_PERIPH_RTT_SET_COUNTER
select HAS_PERIPH_TIMER_PERIODIC
select HAS_PERIPH_RTT_OVERFLOW
select HAS_PERIPH_TIMER_QUERY_FREQS
select HAS_PERIPH_WDT
select HAS_PUF_SRAM

3
cpu/atmega_common/Makefile.features
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@ -13,9 +13,10 @@ FEATURES_PROVIDED += periph_gpio_ll_irq_level_triggered_low
FEATURES_PROVIDED += periph_gpio_ll_irq_unmask
FEATURES_PROVIDED += periph_pm
FEATURES_PROVIDED += periph_rtc_ms
FEATURES_PROVIDED += periph_rtt_overflow
FEATURES_PROVIDED += periph_rtt_set_counter
FEATURES_PROVIDED += periph_timer_periodic
FEATURES_PROVIDED += periph_rtt_overflow
FEATURES_PROVIDED += periph_timer_query_freqs
FEATURES_PROVIDED += periph_wdt
FEATURES_PROVIDED += puf_sram
ifneq (atmega8, $(CPU_FAM))

18
cpu/atmega_common/periph/timer.c
View File

@ -318,6 +318,24 @@ void timer_start(tim_t tim)
ctx[tim].dev->CRB = ctx[tim].mode;
}
uword_t timer_query_freqs_numof(tim_t dev)
{
(void) dev;
return ARRAY_SIZE(prescalers);
}
uint32_t timer_query_freqs(tim_t dev, uword_t index)
{
(void)dev;
if (index >= ARRAY_SIZE(prescalers)) {
return 0;
}
return CLOCK_CORECLOCK >> prescalers[index];
}
#ifdef TIMER_NUMOF
static inline void _isr(tim_t tim, int chan)
{