本文整理汇总了C++中CMU_ClockSelectSet函数的典型用法代码示例。如果您正苦于以下问题:C++ CMU_ClockSelectSet函数的具体用法?C++ CMU_ClockSelectSet怎么用?C++ CMU_ClockSelectSet使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了CMU_ClockSelectSet函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: rt_hw_driver_init
/***************************************************************************//**
* @brief
* Initialize the hardware drivers.
*
* @details
*
* @note
*
******************************************************************************/
void rt_hw_driver_init(void)
{
CMU_ClockEnable(cmuClock_HFPER, true);
/* Enable GPIO */
CMU_ClockEnable(cmuClock_GPIO, true);
/* Enabling clock to the interface of the low energy modules */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Starting LFXO and waiting until it is stable */
CMU_OscillatorEnable(cmuOsc_LFXO, true, true);
/* Select LFXO for Peripherals A */
CMU_ClockSelectSet(cmuClock_LFA,cmuSelect_LFXO);
/* Select LFXO for specified module (and wait for it to stabilize) */
#if (defined(EFM32GG_USING_LEUART0) || defined(EFM32GG_USING_LEUART1))
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFXO);
#endif
/* Enable SWO */
#if defined(EFM32GG_USING_SWO)
efm_swo_setup();
#endif
/* Initialize external interrupt */
#ifdef EFM32GG_USING_EINT
eint_init();
#endif
}
开发者ID:BernardXiong,项目名称:stk3700,代码行数:40,代码来源:board.c
示例2: CAPLESENSE_setupCMU
/**************************************************************************//**
* @brief Setup the CMU
*****************************************************************************/
void CAPLESENSE_setupCMU(void)
{
/* Ensure core frequency has been updated */
SystemCoreClockUpdate();
/* Select clock source for HF clock. */
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFRCO);
/* Select clock source for LFA clock. */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
/* Select clock source for LFB clock. */
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_Disabled);
/* Enable HF peripheral clock. */
CMU_ClockEnable(cmuClock_HFPER, 1);
/* Enable clock for GPIO. */
CMU_ClockEnable(cmuClock_GPIO, 1);
/* Enable clock for ACMP0. */
CMU_ClockEnable(cmuClock_ACMP0, 1);
/* Enable clock for ACMP1. */
CMU_ClockEnable(cmuClock_ACMP1, 1);
/* Enable CORELE clock. */
CMU_ClockEnable(cmuClock_CORELE, 1);
/* Enable clock for LESENSE. */
CMU_ClockEnable(cmuClock_LESENSE, 1);
/* Enable clock divider for LESENSE. */
CMU_ClockDivSet(cmuClock_LESENSE, cmuClkDiv_1);
}
开发者ID:glocklueng,项目名称:sash-a300-lab,代码行数:31,代码来源:caplesense.c
示例3: setupCMU
/**************************************************************************//**
* @brief Setup the CMU
*****************************************************************************/
void setupCMU(void)
{
/* Ensure core frequency has been updated */
SystemCoreClockUpdate();
/* Select clock source for HF clock. */
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFRCO);
/* Select clock source for LFA clock. */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
/* Enable HF peripheral clock. */
CMU_ClockEnable(cmuClock_HFPER, true);
/* Enable clock for GPIO. */
CMU_ClockEnable(cmuClock_GPIO, true);
/* Enable clock for ACMP0. */
CMU_ClockEnable(cmuClock_ACMP0, true);
/* Enable clock for PRS. */
CMU_ClockEnable(cmuClock_PRS, true);
/* Enable CORELE clock. */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Enable clock for PCNT. */
CMU_ClockEnable(cmuClock_PCNT0, true);
/* Enable clock on RTC. */
CMU_ClockEnable(cmuClock_RTC, true);
/* Enable clock for LESENSE. */
CMU_ClockEnable(cmuClock_LESENSE, true);
/* Set clock divider for LESENSE. */
CMU_ClockDivSet(cmuClock_LESENSE, cmuClkDiv_1);
/* Enable clock for DAC */
CMU_ClockEnable(cmuClock_DAC0, true);
}
开发者ID:EnergyMicro,项目名称:EFM32WG_STK3800,代码行数:33,代码来源:lcsense.c
示例4: clkInit
/**
* @brief Initialize the system clock
*
* @return N/A
*
*/
static ALWAYS_INLINE void clkInit(void)
{
#ifdef CONFIG_CMU_HFCLK_HFXO
CMU_HFXOInit(&hfxoInit);
CMU_OscillatorEnable(cmuOsc_HFXO, true, true);
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
CMU_OscillatorEnable(cmuOsc_HFRCO, false, false);
SystemHFXOClockSet(CONFIG_CMU_HFXO_FREQ);
#elif (defined CONFIG_CMU_HFCLK_LFXO)
CMU_LFXOInit(&lfxoInit);
CMU_OscillatorEnable(cmuOsc_LFXO, true, true);
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_LFXO);
CMU_OscillatorEnable(cmuOsc_HFRCO, false, false);
SystemLFXOClockSet(CONFIG_CMU_LFXO_FREQ);
#elif (defined CONFIG_CMU_HFCLK_HFRCO)
/*
* This is the default clock, the controller starts with, so nothing to
* do here.
*/
#else
#error "Unsupported clock source for HFCLK selected"
#endif
/* Enable the High Frequency Peripheral Clock */
CMU_ClockEnable(cmuClock_HFPER, true);
#ifdef CONFIG_GPIO_GECKO
CMU_ClockEnable(cmuClock_GPIO, true);
#endif
}
开发者ID:agatti,项目名称:zephyr,代码行数:36,代码来源:soc.c
示例5: palClockSetup
/**************************************************************************//**
* @brief Setup clocks necessary to drive RTC/RTCC for EXTCOM GPIO pin.
*
* @return N/A
*****************************************************************************/
static void palClockSetup(CMU_Clock_TypeDef clock)
{
/* Enable LE domain registers */
CMU_ClockEnable(cmuClock_CORELE, true);
#if ( defined(PAL_CLOCK_RTC) && defined(PAL_RTC_CLOCK_LFXO) ) \
|| ( defined(PAL_CLOCK_RTCC) && defined(PAL_RTCC_CLOCK_LFXO) )
/* LFA with LFXO setup is relatively time consuming. Therefore, check if it
already enabled before calling. */
if ( !(CMU->STATUS & CMU_STATUS_LFXOENS) )
{
CMU_OscillatorEnable(cmuOsc_LFXO, true, true);
}
if ( cmuSelect_LFXO != CMU_ClockSelectGet(clock) )
{
CMU_ClockSelectSet(clock, cmuSelect_LFXO);
}
#elif ( defined(PAL_CLOCK_RTC) && defined(PAL_RTC_CLOCK_LFRCO) ) \
|| ( defined(PAL_CLOCK_RTCC) && defined(PAL_RTCC_CLOCK_LFRCO) )
/* Enable LF(A|E)CLK in CMU (will also enable LFRCO oscillator if not enabled) */
CMU_ClockSelectSet(clock, cmuSelect_LFRCO);
#elif ( defined(PAL_CLOCK_RTC) && defined(PAL_RTC_CLOCK_ULFRCO) ) \
|| ( defined(PAL_CLOCK_RTCC) && defined(PAL_RTCC_CLOCK_ULFRCO) )
/* Enable LF(A|E)CLK in CMU (will also enable ULFRCO oscillator if not enabled) */
CMU_ClockSelectSet(clock, cmuSelect_ULFRCO);
#else
#error No clock source for RTC defined.
#endif
}
开发者ID:JeffreyThijs94,项目名称:dash7-ap-open-source-stack,代码行数:34,代码来源:displaypalemlib.c
示例6: LETOUCH_setupCMU
/**************************************************************************//**
* @brief Enable clocks for all the peripherals to be used
*****************************************************************************/
static void LETOUCH_setupCMU( void )
{
/* Ensure core frequency has been updated */
SystemCoreClockUpdate();
/* ACMP */
CMU_ClockEnable(cmuClock_ACMP0, true);
CMU_ClockEnable(cmuClock_ACMP1, true);
/* GPIO */
CMU_ClockEnable(cmuClock_GPIO, true);
/* Low energy peripherals
* LESENSE
* LFXO clock must be enabled prior to enabling
* clock for the low energy peripherals */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
CMU_ClockEnable(cmuClock_CORELE, true);
CMU_ClockEnable(cmuClock_LESENSE, true);
/* RTC */
CMU_ClockEnable(cmuClock_RTC, true);
/* Disable clock source for LFB clock */
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_Disabled);
}
开发者ID:Blone,项目名称:my-project-hihack,代码行数:29,代码来源:lesense_letouch.c
示例7: vPortSetupTimerInterrupt
/**************************************************************************//**
* @brief vPortSetupTimerInterrupt
* Override the default definition of vPortSetupTimerInterrupt() that is weakly
* defined in the FreeRTOS Cortex-M3, which set source of system tick interrupt
*****************************************************************************/
void vPortSetupTimerInterrupt(void)
{
/* Set our data about timer used as system ticks*/
ulTimerReloadValueForOneTick = SYSTICK_LOAD_VALUE ;
#if (configUSE_TICKLESS_IDLE == 1)
xMaximumPossibleSuppressedTicks = TIMER_CAPACITY / (SYSTICK_LOAD_VALUE);
ulStoppedTimerCompensation = TIMER_COMPENSATION / (configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ);
#endif /* (configUSE_TICKLESS_IDLE == 1) */
/* Configure RTC as system tick source */
/* Structure of RTC init */
RTC_Init_TypeDef init;
#if (configCRYSTAL_IN_EM2 == 1)
/* LFXO setup */
/* For cut D, use 70% boost */
CMU->CTRL = (CMU->CTRL & ~_CMU_CTRL_LFXOBOOST_MASK) | CMU_CTRL_LFXOBOOST_70PCENT;
#if defined( EMU_AUXCTRL_REDLFXOBOOST )
EMU->AUXCTRL = (EMU->AUXCTRL & ~_EMU_AUXCTRL_REDLFXOBOOST_MASK) | EMU_AUXCTRL_REDLFXOBOOST;
#endif
#else
/* RC oscillator */
CMU_OscillatorEnable(cmuOsc_LFRCO, true, true);
#endif
/* Ensure LE modules are accessible */
CMU_ClockEnable(cmuClock_CORELE, true);
#if (configCRYSTAL_IN_EM2 == 1)
/* Enable osc as LFACLK in CMU (will also enable oscillator if not enabled) */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
#else
/* Enable osc as LFACLK in CMU (will also enable oscillator if not enabled) */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
#endif
/* Set 2 times divider to reduce energy*/
CMU_ClockDivSet(cmuClock_RTC, cmuClkDiv_2);
/* Enable clock to RTC module */
CMU_ClockEnable(cmuClock_RTC, true);
init.enable = false;
init.debugRun = false;
init.comp0Top = false; /* Count to max value before wrapping */
/* Initialization of RTC */
RTC_Init(&init);
/* Disable interrupt generation from RTC0 */
RTC_IntDisable(RTC_IFC_COMP0);
/* Tick interrupt MUST execute at the lowest interrupt priority. */
NVIC_SetPriority(RTC_IRQn, 255);
/* Enable interrupts */
NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_EnableIRQ(RTC_IRQn);
RTC_CompareSet(0, SYSTICK_LOAD_VALUE);
RTC_IntClear(RTC_IFC_COMP0);
RTC_IntEnable(RTC_IF_COMP0);
RTC_Enable(true);
//RTC_CounterReset();
}
开发者ID:AndreMiras,项目名称:EFM32-Library,代码行数:62,代码来源:low_power_tick_management.c
示例8: rtcSetup
/**************************************************************************//**
* @brief Enables LFACLK and selects LFXO as clock source for RTC
* Sets up the RTC to generate an interrupt every second.
*****************************************************************************/
static void rtcSetup(unsigned int frequency)
{
RTC_Init_TypeDef rtcInit = RTC_INIT_DEFAULT;
/* Enable LE domain registers */
if ( !( CMU->HFCORECLKEN0 & CMU_HFCORECLKEN0_LE) )
{
CMU_ClockEnable(cmuClock_CORELE, true);
}
#ifdef PAL_RTC_CLOCK_LFXO
/* LFA with LFXO setup is relatively time consuming. Therefore, check if it
already enabled before calling. */
if ( !(CMU->STATUS & CMU_STATUS_LFXOENS) )
{
CMU_OscillatorEnable(cmuOsc_LFXO, true, true);
}
if ( cmuSelect_LFXO != CMU_ClockSelectGet(cmuClock_LFA) )
{
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
}
#elif defined PAL_RTC_CLOCK_LFRCO
/* Enable LFACLK in CMU (will also enable LFRCO oscillator if not enabled) */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
#elif defined PAL_RTC_CLOCK_ULFRCO
/* Enable LFACLK in CMU (will also enable ULFRCO oscillator if not enabled) */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_ULFRCO);
#else
#error No clock source for RTC defined.
#endif
/* Set the prescaler. */
CMU_ClockDivSet( cmuClock_RTC, cmuClkDiv_1 );
/* Enable RTC clock */
CMU_ClockEnable(cmuClock_RTC, true);
/* Initialize RTC */
rtcInit.enable = false; /* Do not start RTC after initialization is complete. */
rtcInit.debugRun = false; /* Halt RTC when debugging. */
rtcInit.comp0Top = true; /* Wrap around on COMP0 match. */
RTC_Init(&rtcInit);
/* Interrupt at given frequency. */
RTC_CompareSet(0, (CMU_ClockFreqGet(cmuClock_RTC) / frequency) - 1 );
/* Enable interrupt */
NVIC_EnableIRQ(RTC_IRQn);
RTC_IntEnable(RTC_IEN_COMP0);
/* Start Counter */
RTC_Enable(true);
}
开发者ID:JamesH001,项目名称:SX1231,代码行数:57,代码来源:displaypalemlib.c
示例9: main
/**************************************************************************//**
* @brief Main function
*****************************************************************************/
int main(void)
{
/* Initialize chip */
CHIP_Init();
setupSWO();
/* Enable HFXO */
CMU_OscillatorEnable(cmuOsc_HFXO, true, true);
/* Switch HFCLK to HFXO */
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
/* Turn off HFRCO */
CMU_OscillatorEnable(cmuOsc_HFRCO, false, false);
BSP_LedsInit();
while (1)
{
/* Blink led three times, with a factor 1 million delay */
blink_led(1000000, 3);
/* Turn on LFRCO */
CMU_OscillatorEnable(cmuOsc_LFRCO, true, true);
/* Select LFRCO */
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_LFRCO);
/* Maximum prescaling for smalles frequency (64 Hz) */
CMU_ClockDivSet(cmuClock_CORE, cmuClkDiv_512);
/* Turn off HFXO */
CMU_OscillatorEnable(cmuOsc_HFXO, false, false);
/* Blink led three times, with a factor 1 delay */
blink_led(1, 3);
/* Turn on HFXO */
CMU_OscillatorEnable(cmuOsc_HFXO, true, true);
/* Select HFXO */
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
/* No prescaling for maximum clock frequency (32 MHz) */
CMU_ClockDivSet(cmuClock_CORE, cmuClkDiv_1);
/* Turn off LFRCO */
CMU_OscillatorEnable(cmuOsc_LFRCO, false, false);
}
}
开发者ID:AndreMiras,项目名称:EFM32-Library,代码行数:54,代码来源:3_core_clock.c
示例10: main
/**************************************************************************//**
* @brief main - the entrypoint after reset.
*****************************************************************************/
int main( void )
{
BSP_Init(BSP_INIT_DEFAULT); /* Initialize DK board register access */
/* If first word of user data page is non-zero, enable eA Profiler trace */
BSP_TraceProfilerSetup();
CMU_ClockSelectSet( cmuClock_HF, cmuSelect_HFXO );
CMU_OscillatorEnable(cmuOsc_LFXO, true, false);
if ( !MSDDMEDIA_Init() ) /* Initialize the media layer of the MSD. */
{
EFM_ASSERT( false );
for( ;; ){}
}
VUD_Init(); /* Initialize the vendor unique device. */
CDC_Init(); /* Initialize the communication class device. */
MSDD_Init(gpioPortE, 1); /* Initialize the Mass Storage Device. */
USBD_Init(&initstruct); /* Start USB. */
/*
* When using a debugger it is practical to uncomment the following three
* lines to force host to re-enumerate the device.
*/
/* USBD_Disconnect(); */
/* USBTIMER_DelayMs( 1000 ); */
/* USBD_Connect(); */
for (;;)
{
MSDD_Handler(); /* Serve the MSD device. */
}
}
开发者ID:AndreMiras,项目名称:EFM32-Library,代码行数:38,代码来源:main.c
示例11: RTC_Setup
/***************************************************************************//**
* @brief
* Enables LFACLK and selects LFXO as clock source for RTC
*
* @param osc
* Oscillator
******************************************************************************/
void RTC_Setup(CMU_Select_TypeDef osc)
{
RTC_Init_TypeDef init;
rtcInitialized = 1;
/* Ensure LE modules are accessible */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Enable osc as LFACLK in CMU (will also enable oscillator if not enabled) */
CMU_ClockSelectSet(cmuClock_LFA, osc);
/* Use a 32 division prescaler to reduce power consumption. */
CMU_ClockDivSet(cmuClock_RTC, cmuClkDiv_32);
rtcFreq = CMU_ClockFreqGet(cmuClock_RTC);
/* Enable clock to RTC module */
CMU_ClockEnable(cmuClock_RTC, true);
init.enable = false;
init.debugRun = false;
init.comp0Top = false; /* Count to max before wrapping */
RTC_Init(&init);
/* Disable interrupt generation from RTC0 */
RTC_IntDisable(_RTC_IF_MASK);
/* Enable interrupts */
NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_EnableIRQ(RTC_IRQn);
}
开发者ID:ketrum,项目名称:equine-health-monitor-gdp12,代码行数:39,代码来源:rtc.c
示例12: RTC_Setup
/***************************************************************************//**
* @brief Enables LFACLK and selects LFRCO as clock source for RTC
******************************************************************************/
static void RTC_Setup(void)
{
RTC_Init_TypeDef init;
rtcInitialized = 1;
/* Ensure LE modules are accessible */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Enable LFRCO as LFACLK in CMU (will also enable oscillator if not enabled) */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
/* Enable clock to RTC module */
CMU_ClockEnable(cmuClock_RTC, true);
init.enable = false;
init.debugRun = false;
init.comp0Top = false; /* Count to max before wrapping */
RTC_Init(&init);
/* Disable interrupt generation from RTC0 */
RTC_IntDisable(_RTC_IF_MASK);
/* Enable interrupts */
NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_EnableIRQ(RTC_IRQn);
}
开发者ID:ketrum,项目名称:equine-health-monitor-gdp12,代码行数:30,代码来源:rtc.c
示例13: LETIMER_setup
void LETIMER_setup(void)
{
/* Enabling the required clocks */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_ULFRCO); //Selecting the ULFRCO as the source clock
CMU_ClockEnable(cmuClock_LETIMER0, true); //Enable the clock input to LETIMER
/* Set the compare values for COMP0 */
LETIMER_CompareSet(LETIMER0, 0,PERIOD/ULFRCO_COUNT);
/* Configure the LETIMER0 */
LETIMER_Init_TypeDef letimerInit = LETIMER_INIT_DEFAULT;
// {
// .enable = true, /* Default: Start counting when init completed. */
// .debugRun = false, /* Default: Counter shall not keep running during debug halt. */
// .rtcComp0Enable = false, /* Default: Don't start counting on RTC COMP0 match. */
// .rtcComp1Enable = false, /* Default: Don't start counting on RTC COMP1 match. */
// .comp0Top = true, /* Load COMP0 register into CNT when counter underflows. COMP0 is used as TOP */
// .bufTop = false, /* Default: Don't load COMP1 into COMP0 when REP0 reaches 0. */
// .out0Pol = 0, /* Default: Idle value for output 0. */
// .out1Pol = 0, /* Default: Idle value for output 1. */
// .ufoa0 = letimerUFOANone, /* Default : No action on underfow on Output 0*/
// .ufoa1 = letimerUFOANone, /* Default : No action on underfow on Output 1*/
// .repMode = letimerRepeatFree /* Default: Count until stopped */
// };
letimerInit.comp0Top= true, /* Default: Start counting when init completed. */
/* Initialize LETIMER with the values above */
LETIMER_Init(LETIMER0, &letimerInit);
}
开发者ID:TEAM-PARADIGM-SHIFT,项目名称:author_application,代码行数:30,代码来源:main.cpp
示例14: BootComUartInit
/************************************************************************************//**
** \brief Initializes the UART communication interface.
** \return none.
**
****************************************************************************************/
static void BootComUartInit(void)
{
LEUART_Init_TypeDef init = LEUART_INIT_DEFAULT;
/* configure GPIO pins */
CMU_ClockEnable(cmuClock_GPIO, true);
/* to avoid false start, configure output as high */
GPIO_PinModeSet(gpioPortC, 6, gpioModePushPull, 1);
GPIO_PinModeSet(gpioPortC, 7, gpioModeInput, 0);
/* enable CORE LE clock in order to access LE modules */
CMU_ClockEnable(cmuClock_CORELE, true);
/* select LFXO for LEUARTs (and wait for it to stabilize) */
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFXO);
/* do not prescale clock */
CMU_ClockDivSet(cmuClock_LEUART1, cmuClkDiv_1);
/* enable LEUART1 clock */
CMU_ClockEnable(cmuClock_LEUART1, true);
/* configure LEUART */
init.enable = leuartDisable;
LEUART_Init(LEUART1, &init);
LEUART_BaudrateSet(LEUART1, 0, BOOT_COM_UART_BAUDRATE);
/* enable pins at default location */
LEUART1->ROUTE = LEUART_ROUTE_RXPEN | LEUART_ROUTE_TXPEN;
/* clear previous RX interrupts */
LEUART_IntClear(LEUART1, LEUART_IF_RXDATAV);
/* finally enable it */
LEUART_Enable(LEUART1, leuartEnable);
} /*** end of BootUartComInit ***/
开发者ID:x893,项目名称:OpenBLT,代码行数:33,代码来源:boot.c
示例15: rtcSetup
/**************************************************************************//**
* @brief Enables LFACLK and selects LFXO as clock source for RTC
* Sets up the RTC to generate an interrupt every minute.
*****************************************************************************/
void rtcSetup(void)
{
RTC_Init_TypeDef rtcInit = RTC_INIT_DEFAULT;
/* Enable LE domain registers */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Enable LFXO as LFACLK in CMU. This will also start LFXO */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
/* Set a clock divisor of 32 to reduce power conumption. */
CMU_ClockDivSet(cmuClock_RTC, cmuClkDiv_32);
/* Enable RTC clock */
CMU_ClockEnable(cmuClock_RTC, true);
/* Initialize RTC */
rtcInit.enable = false; /* Do not start RTC after initialization is complete. */
rtcInit.debugRun = false; /* Halt RTC when debugging. */
rtcInit.comp0Top = true; /* Wrap around on COMP0 match. */
RTC_Init(&rtcInit);
/* Interrupt every minute */
RTC_CompareSet(0, ((RTC_FREQ / 32) * 60 ) - 1 );
/* Enable interrupt */
NVIC_EnableIRQ(RTC_IRQn);
RTC_IntEnable(RTC_IEN_COMP0);
/* Start Counter */
RTC_Enable(true);
}
开发者ID:AndreMiras,项目名称:EFM32-Library,代码行数:36,代码来源:clock.c
示例16: setup_rtc
// This is the timekeeping clock
void setup_rtc()
{
// Ensure LE modules are accessible
CMU_ClockEnable(cmuClock_CORELE, true);
// Enable LFACLK in CMU (will also enable oscillator if not enabled)
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
// Use the prescaler to reduce power consumption. 2^15
//CMU_ClockDivSet(cmuClock_RTC, cmuClkDiv_32768);
CMU_ClockDivSet(cmuClock_RTC, cmuClkDiv_512);
//uint32_t rtcFreq = CMU_ClockFreqGet(cmuClock_RTC);
// Enable clock to RTC module
CMU_ClockEnable(cmuClock_RTC, true);
// Set up the Real Time Clock as long-time timekeeping
RTC_Init_TypeDef init = RTC_INIT_DEFAULT;
init.comp0Top = false;
RTC_Init(&init);
// Enabling Interrupt from RTC
NVIC_EnableIRQ(RTC_IRQn);
}
开发者ID:Rajusr70,项目名称:makersguide,代码行数:26,代码来源:main_sprinkler_timer.c
示例17: startRTCTick
/******************************************************************************
* @brief
* Configures and starts RTC from ULFRCO
*****************************************************************************/
void startRTCTick(void)
{
/* Set-up RTC init struct */
RTC_Init_TypeDef rtcInit;
rtcInit.comp0Top = true;
rtcInit.debugRun = false;
rtcInit.enable = true;
/* Enable clock to LF peripherals */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Set ULFRCO as clock source for RTC */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_ULFRCO);
/* Turn on clock for RTC */
CMU_ClockEnable(cmuClock_RTC, true);
/* Enable RTC interrupt lines */
NVIC_EnableIRQ(RTC_IRQn);
RTC_IntEnable(RTC_IF_COMP0);
/* Set compare register */
RTC_CompareSet(0, MS_TO_SLEEP);
/* Initialize and start RTC */
RTC_Init(&rtcInit);
}
开发者ID:AndreMiras,项目名称:EFM32-Library,代码行数:31,代码来源:lfxo_startup.c
示例18: rtcSetup
void rtcSetup(){
RTC_Init_TypeDef rtcInit = RTC_INIT_DEFAULT;
/* Enabling clock to LE configuration register */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Selecting crystal oscillator to drive LF clock */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
/* 32 clock division to save energy */
CMU_ClockDivSet(cmuClock_RTC, cmuClkDiv_32768);
/* Providing clock to RTC */
CMU_ClockEnable(cmuClock_RTC, true);
/* Initialize RTC */
rtcInit.enable = false; /* Do not start RTC after initialization is complete. */
rtcInit.debugRun = false; /* Halt RTC when debugging. */
rtcInit.comp0Top = true; /* Wrap around on COMP0 match. */
RTC_Init(&rtcInit);
/* Interrupt every minute */
RTC_CompareSet(0, ((RTC_FREQ / CLOCK_DIVISION) * 10 ) - 1 );
/* Enable interrupt */
NVIC_EnableIRQ(RTC_IRQn);
RTC_IntEnable(RTC_IEN_COMP0);
/* Start Counter */
RTC_Enable(true);
}
开发者ID:kairobert,项目名称:forget-me-not,代码行数:32,代码来源:rtc.cpp
示例19: setupCMU
/**************************************************************************//**
* @brief Enable clocks for all the peripherals to be used
*****************************************************************************/
void setupCMU(void)
{
/* Ensure core frequency has been updated */
SystemCoreClockUpdate();
/* DAC */
CMU_ClockEnable(cmuClock_DAC0, true);
/* ACMP */
CMU_ClockEnable(cmuClock_ACMP0, true);
CMU_ClockEnable(cmuClock_ACMP1, true);
/* GPIO */
CMU_ClockEnable(cmuClock_GPIO, true);
/* Low energy peripherals
* LESENSE
* LFRCO clock must be enables prior to enabling
* clock for the low energy peripherals */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
CMU_ClockEnable(cmuClock_CORELE, true);
CMU_ClockEnable(cmuClock_LESENSE, true);
/* RTC */
CMU_ClockEnable(cmuClock_RTC, true);
/* LCD */
CMU_ClockEnable(cmuClock_LCD, true);
/* PCNT */
CMU_ClockEnable(cmuClock_PCNT0, true);
/* PCNT */
CMU_ClockEnable(cmuClock_PRS, true);
}
开发者ID:Blone,项目名称:my-project-hihack,代码行数:38,代码来源:lesense_lcsense_state_machine.c
示例20: rtimer_arch_init
/*---------------------------------------------------------------------------*/
void
rtimer_arch_init(void)
{
RTC_Init_TypeDef init = RTC_INIT_DEFAULT;
/* Ensure LE modules are accessible */
CMU_ClockEnable(cmuClock_CORELE, true);
/* Enable LFACLK in CMU (will also enable oscillator if not enabled) */
CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
/* Don't use prescaler to have highest precision */
CMU_ClockDivSet(cmuClock_RTC, cmuClkDiv_1);
/* Enable clock to RTC module */
CMU_ClockEnable(cmuClock_RTC, true);
init.enable = false; /* Start disabled to reset counter */
init.debugRun = false;
init.comp0Top = false; /* Don't Reset Count on comp0 */
RTC_Init(&init);
/* Disable interrupt generation from RTC0 */
RTC_IntDisable(_RTC_IF_MASK);
/* Enable interrupts */
NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_EnableIRQ(RTC_IRQn);
/* Start RTC counter */
RTC_Enable(true);
}
开发者ID:Spike0,项目名称:Contiki_my,代码行数:33,代码来源:rtimer-arch.c
注:本文中的CMU_ClockSelectSet函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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