X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fstmf0%2Fao_timer.c;h=b0b6ec0a07e878d5f6c5dab4658468f7588c5f1f;hb=b146cf617d2798ab3339eeecac884c11bd91727a;hp=1def5f69f8e1c1d77d7a6a9d7344e4adcc1001fc;hpb=b340cbf1403a5f5b181a215935f713a50da8e5e4;p=fw%2Faltos diff --git a/src/stmf0/ao_timer.c b/src/stmf0/ao_timer.c index 1def5f69..b0b6ec0a 100644 --- a/src/stmf0/ao_timer.c +++ b/src/stmf0/ao_timer.c @@ -35,6 +35,22 @@ ao_time(void) return ao_tick_count; } +uint64_t +ao_time_ns(void) +{ + AO_TICK_TYPE before, after; + uint32_t cvr; + + do { + before = ao_tick_count; + cvr = stm_systick.cvr; + after = ao_tick_count; + } while (before != after); + + return (uint64_t) after * (1000000000ULL / AO_HERTZ) + + (uint64_t) cvr * (1000000000ULL / AO_SYSTICK); +} + #if AO_DATA_ALL volatile uint8_t ao_data_interval = 1; volatile uint8_t ao_data_count; @@ -44,10 +60,7 @@ void stm_systick_isr(void) { if (stm_systick.csr & (1 << STM_SYSTICK_CSR_COUNTFLAG)) { ++ao_tick_count; -#if HAS_TASK_QUEUE - if (ao_task_alarm_tick && (int16_t) (ao_tick_count - ao_task_alarm_tick) >= 0) - ao_task_check_alarm((uint16_t) ao_tick_count); -#endif + ao_task_check_alarm(); #if AO_DATA_ALL if (++ao_data_count == ao_data_interval) { ao_data_count = 0; @@ -278,9 +291,6 @@ ao_clock_init(void) /* Enable 1 wait state so the CPU can run at 48MHz */ stm_flash.acr |= (STM_FLASH_ACR_LATENCY_1 << STM_FLASH_ACR_LATENCY); - /* Enable power interface clock */ - stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_PWREN); - /* HCLK to 48MHz -> AHB prescaler = /1 */ cfgr = stm_rcc.cfgr; cfgr &= ~(STM_RCC_CFGR_HPRE_MASK << STM_RCC_CFGR_HPRE);