C++ (Cpp) pmc_save_clock_settings Exemples

Exemple #1

void pmc_sleep(int sleep_mode)
{
	switch (sleep_mode) {
	case SAM_PM_SMODE_SLEEP_WFI:
	case SAM_PM_SMODE_SLEEP_WFE:
#if (SAM4S || SAM4E)
		SCB->SCR &= (uint32_t)~SCR_SLEEPDEEP;
		cpu_irq_enable();
		__WFI();
		break;
#else
		PMC->PMC_FSMR &= (uint32_t)~PMC_FSMR_LPM;
		SCB->SCR &= (uint32_t)~SCR_SLEEPDEEP;
		cpu_irq_enable();
		if (sleep_mode == SAM_PM_SMODE_SLEEP_WFI)
			__WFI();
		else
			__WFE();
		break;
#endif
	case SAM_PM_SMODE_WAIT: {
		uint32_t mor, pllr0, pllr1, mckr;
		cpu_irq_disable();
		b_is_fastrc_used = true;
		pmc_save_clock_settings(&mor, &pllr0, &pllr1, &mckr);

		/* Enter wait mode */
		cpu_irq_enable();
		pmc_enable_waitmode();

		cpu_irq_disable();
		pmc_restore_clock_setting(mor, pllr0, pllr1, mckr);
		b_is_fastrc_used = false;
		if (callback_clocks_restored) {
			callback_clocks_restored();
			callback_clocks_restored = NULL;
		}
		cpu_irq_enable();
		break;
	}

	case SAM_PM_SMODE_BACKUP:
		SCB->SCR |= SCR_SLEEPDEEP;
#if (SAM4S || SAM4E)
		SUPC->SUPC_CR = SUPC_CR_KEY(0xA5u) | SUPC_CR_VROFF_STOP_VREG;
		cpu_irq_enable();
		__WFI() ;
#else
		cpu_irq_enable();
		__WFE() ;
#endif
		break;
	}
}

Exemple #2

Fichier : sleep.c Projet : AmandaViviane/Entrega

void pmc_sleep(int sleep_mode)
{
	switch (sleep_mode) {
#if (!(SAMG51 || SAMG53 || SAMG54))
	case SAM_PM_SMODE_SLEEP_WFI:
	case SAM_PM_SMODE_SLEEP_WFE:
#if (SAM4S || SAM4E || SAM4N || SAM4C || SAM4CM || SAM4CP || SAMG55 || SAMV71 || SAMV70 || SAMS70 || SAME70)
		SCB->SCR &= (uint32_t)~SCR_SLEEPDEEP;
		cpu_irq_enable();
		__WFI();
		break;
#else
		PMC->PMC_FSMR &= (uint32_t)~PMC_FSMR_LPM;
		SCB->SCR &= (uint32_t)~SCR_SLEEPDEEP;
		cpu_irq_enable();
		if (sleep_mode == SAM_PM_SMODE_SLEEP_WFI)
			__WFI();
		else
			__WFE();
		break;
#endif
#endif

	case SAM_PM_SMODE_WAIT_FAST:
	case SAM_PM_SMODE_WAIT: {
		uint32_t mor, pllr0, pllr1, mckr;
		uint32_t fmr;
#if defined(EFC1)
		uint32_t fmr1;
#endif
#if (SAM4S || SAM4E || SAM4N || SAM4C || SAM4CM || SAM4CP || SAMG55 || SAMV71 || SAMV70 || SAMS70 || SAME70)
		(sleep_mode == SAM_PM_SMODE_WAIT_FAST) ?
				pmc_set_flash_in_wait_mode(PMC_FSMR_FLPM_FLASH_STANDBY) :
				pmc_set_flash_in_wait_mode(PMC_FSMR_FLPM_FLASH_DEEP_POWERDOWN);
#endif
		cpu_irq_disable();
		b_is_sleep_clock_used = true;

#if (SAM4C || SAM4CM || SAM4CP)
		/* Backup the sub-system 1 status and stop sub-system 1 */
		uint32_t cpclk_backup = PMC->PMC_SCSR &
				(PMC_SCSR_CPCK | PMC_SCSR_CPBMCK);
		PMC->PMC_SCDR = cpclk_backup | PMC_SCDR_CPKEY_PASSWD;
#endif
		pmc_save_clock_settings(&mor, &pllr0, &pllr1, &mckr, &fmr,
#if defined(EFC1)
				&fmr1,
#endif
				(sleep_mode == SAM_PM_SMODE_WAIT));

		/* Enter wait mode */
		cpu_irq_enable();

		pmc_enable_waitmode();

		cpu_irq_disable();
		pmc_restore_clock_setting(mor, pllr0, pllr1, mckr, fmr
#if defined(EFC1)
				, fmr1
#endif
				);

#if (SAM4C || SAM4CM || SAM4CP)
		/* Restore the sub-system 1 */
		PMC->PMC_SCER = cpclk_backup | PMC_SCER_CPKEY_PASSWD;
#endif
		b_is_sleep_clock_used = false;
		if (callback_clocks_restored) {
			callback_clocks_restored();
			callback_clocks_restored = NULL;
		}
		cpu_irq_enable();

		break;
	}
#if (!(SAMG51 || SAMG53 || SAMG54))
	case SAM_PM_SMODE_BACKUP:
		SCB->SCR |= SCR_SLEEPDEEP;
#if (SAM4S || SAM4E || SAM4N || SAM4C || SAM4CM || SAM4CP || SAMG55 || SAMV71 || SAMV70 || SAMS70 || SAME70)
		SUPC->SUPC_CR = SUPC_CR_KEY_PASSWD | SUPC_CR_VROFF_STOP_VREG;
		cpu_irq_enable();
		__WFI() ;
#else
		cpu_irq_enable();
		__WFE() ;
#endif
		break;
#endif
	}
}