wrap up nrf52 demo

This commit is contained in:
hathach
2018-03-20 20:57:49 +07:00
parent 9f5fcb64ed
commit 0fdec33521
117 changed files with 38672 additions and 5 deletions
@@ -0,0 +1,477 @@
/**
* Copyright (c) 2017 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(POWER)
#include "nrf_drv_power.h"
#include "nrf_assert.h"
#include "nordic_common.h"
#include "app_util_platform.h"
#ifdef SOFTDEVICE_PRESENT
#include "nrf_sdm.h"
#include "nrf_soc.h"
#include "nrf_sdh.h"
#include "nrf_sdh_soc.h"
#endif
/* Validate configuration */
INTERRUPT_PRIORITY_VALIDATION(POWER_CONFIG_IRQ_PRIORITY);
/**
* @internal
* @defgroup nrf_drv_power_internals POWER driver internals
* @ingroup nrf_drv_power
*
* Internal variables, auxiliary macros and functions of POWER driver.
* @{
*/
/**
* @brief Default configuration
*
* The structure with default configuration data.
* This structure would be used if configuration pointer given
* to the @ref nrf_drv_power_init is set to NULL.
*/
static const nrf_drv_power_config_t m_drv_power_config_default =
{
.dcdcen = POWER_CONFIG_DEFAULT_DCDCEN,
#if NRF_POWER_HAS_VDDH
.dcdcenhv = POWER_CONFIG_DEFAULT_DCDCENHV,
#endif
};
/**
* @brief The initialization flag
*/
static bool m_initialized;
/**
* @brief The handler of power fail comparator warning event
*/
static nrf_drv_power_pofwarn_event_handler_t m_pofwarn_handler;
#if NRF_POWER_HAS_SLEEPEVT
/**
* @brief The handler of sleep event handler
*/
static nrf_drv_power_sleep_event_handler_t m_sleepevt_handler;
#endif
#if NRF_POWER_HAS_USBREG
/**
* @brief The handler of USB power events
*/
static nrf_drv_power_usb_event_handler_t m_usbevt_handler;
#endif
/** @} */
bool nrf_drv_power_init_check(void)
{
return m_initialized;
}
ret_code_t nrf_drv_power_init(nrf_drv_power_config_t const * p_config)
{
nrf_drv_power_config_t const * p_used_config;
if (m_initialized)
{
return NRF_ERROR_MODULE_ALREADY_INITIALIZED;
}
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
return NRF_ERROR_INVALID_STATE;
}
#endif
p_used_config = (p_config != NULL) ?
p_config : (&m_drv_power_config_default);
#if NRF_POWER_HAS_VDDH
nrf_power_dcdcen_vddh_set(p_used_config->dcdcenhv);
#endif
nrf_power_dcdcen_set(p_used_config->dcdcen);
nrf_drv_common_power_clock_irq_init();
m_initialized = true;
return NRF_SUCCESS;
}
void nrf_drv_power_uninit(void)
{
ASSERT(m_initialized);
nrf_drv_power_pof_uninit();
#if NRF_POWER_HAS_SLEEPEVT
nrf_drv_power_sleepevt_uninit();
#endif
#if NRF_POWER_HAS_USBREG
nrf_drv_power_usbevt_uninit();
#endif
m_initialized = false;
}
ret_code_t nrf_drv_power_pof_init(nrf_drv_power_pofwarn_config_t const * p_config)
{
ASSERT(p_config != NULL);
nrf_drv_power_pof_uninit();
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
/* Currently when SD is enabled - the configuration can be changed
* in very limited range.
* It is the SoftDevice limitation.
*/
#if NRF_POWER_HAS_VDDH
if (p_config->thrvddh != nrf_power_pofcon_vddh_get())
{
/* Cannot change THRVDDH with current SD API */
return NRF_ERROR_INVALID_STATE;
}
#endif
if (p_config->thr != nrf_power_pofcon_get(NULL))
{
/* Only limited number of THR values are supported and
* the values taken by SD is different than the one in hardware
*/
uint8_t thr;
switch (p_config->thr)
{
case NRF_POWER_POFTHR_V21:
thr = NRF_POWER_THRESHOLD_V21;
break;
case NRF_POWER_POFTHR_V23:
thr = NRF_POWER_THRESHOLD_V23;
break;
case NRF_POWER_POFTHR_V25:
thr = NRF_POWER_THRESHOLD_V25;
break;
case NRF_POWER_POFTHR_V27:
thr = NRF_POWER_THRESHOLD_V27;
break;
default:
/* Cannot configure */
return NRF_ERROR_INVALID_STATE;
}
ASSERT(sd_power_pof_threshold_set(thr));
}
}
else
#endif /* SOFTDEVICE_PRESENT */
{
nrf_power_pofcon_set(true, p_config->thr);
#if NRF_POWER_HAS_VDDH
nrf_power_pofcon_vddh_set(p_config->thrvddh);
#endif
}
if (p_config->handler != NULL)
{
m_pofwarn_handler = p_config->handler;
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
(void) sd_power_pof_enable(true);
}
else
#endif
{
nrf_power_int_enable(NRF_POWER_INT_POFWARN_MASK);
}
}
return NRF_SUCCESS;
}
void nrf_drv_power_pof_uninit(void)
{
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
(void) sd_power_pof_enable(false);
}
else
#endif
{
nrf_power_int_disable(NRF_POWER_INT_POFWARN_MASK);
}
m_pofwarn_handler = NULL;
}
#if NRF_POWER_HAS_SLEEPEVT
ret_code_t nrf_drv_power_sleepevt_init(nrf_drv_power_sleepevt_config_t const * p_config)
{
ASSERT(p_config != NULL);
nrf_drv_power_sleepevt_uninit();
if (p_config->handler != NULL)
{
uint32_t enmask = 0;
m_sleepevt_handler = p_config->handler;
if (p_config->en_enter)
{
enmask |= NRF_POWER_INT_SLEEPENTER_MASK;
nrf_power_event_clear(NRF_POWER_EVENT_SLEEPENTER);
}
if (p_config->en_exit)
{
enmask |= NRF_POWER_INT_SLEEPEXIT_MASK;
nrf_power_event_clear(NRF_POWER_EVENT_SLEEPEXIT);
}
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
if (enmask != 0)
{
return NRF_ERROR_INVALID_STATE;
}
}
else
#endif
{
nrf_power_int_enable(enmask);
}
}
return NRF_SUCCESS;
}
void nrf_drv_power_sleepevt_uninit(void)
{
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
/* Nothing to do */
}
else
#endif
{
nrf_power_int_disable(
NRF_POWER_INT_SLEEPENTER_MASK |
NRF_POWER_INT_SLEEPEXIT_MASK);
}
m_sleepevt_handler = NULL;
}
#endif /* NRF_POWER_HAS_SLEEPEVT */
#if NRF_POWER_HAS_USBREG
ret_code_t nrf_drv_power_usbevt_init(nrf_drv_power_usbevt_config_t const * p_config)
{
nrf_drv_power_usbevt_uninit();
if (p_config->handler != NULL)
{
m_usbevt_handler = p_config->handler;
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
/** @todo Implement USB power events when SD support it */
return NRF_ERROR_INVALID_STATE;
}
else
#endif
{
nrf_power_int_enable(
NRF_POWER_INT_USBDETECTED_MASK |
NRF_POWER_INT_USBREMOVED_MASK |
NRF_POWER_INT_USBPWRRDY_MASK);
}
}
return NRF_SUCCESS;
}
void nrf_drv_power_usbevt_uninit(void)
{
#ifdef SOFTDEVICE_PRESENT
if (nrf_sdh_is_enabled())
{
/** @todo Implement USB power events when SD support it */
}
else
#endif
{
nrf_power_int_disable(
NRF_POWER_INT_USBDETECTED_MASK |
NRF_POWER_INT_USBREMOVED_MASK |
NRF_POWER_INT_USBPWRRDY_MASK);
}
m_usbevt_handler = NULL;
}
#endif /* NRF_POWER_HAS_USBREG */
/**
* @ingroup nrf_drv_power_internals
* @brief Interrupt handler
*
* POWER peripheral interrupt handler
*/
#if NRF_DRV_COMMON_POWER_CLOCK_ISR
void nrf_drv_power_onIRQ(void)
#else
void POWER_CLOCK_IRQHandler(void)
#endif
{
uint32_t enabled = nrf_power_int_enable_get();
if ((0 != (enabled & NRF_POWER_INT_POFWARN_MASK)) &&
nrf_power_event_get_and_clear(NRF_POWER_EVENT_POFWARN))
{
/* Cannot be null if event is enabled */
ASSERT(m_pofwarn_handler != NULL);
m_pofwarn_handler();
}
#if NRF_POWER_HAS_SLEEPEVT
if ((0 != (enabled & NRF_POWER_INT_SLEEPENTER_MASK)) &&
nrf_power_event_get_and_clear(NRF_POWER_EVENT_SLEEPENTER))
{
/* Cannot be null if event is enabled */
ASSERT(m_sleepevt_handler != NULL);
m_sleepevt_handler(NRF_DRV_POWER_SLEEP_EVT_ENTER);
}
if ((0 != (enabled & NRF_POWER_INT_SLEEPEXIT_MASK)) &&
nrf_power_event_get_and_clear(NRF_POWER_EVENT_SLEEPEXIT))
{
/* Cannot be null if event is enabled */
ASSERT(m_sleepevt_handler != NULL);
m_sleepevt_handler(NRF_DRV_POWER_SLEEP_EVT_EXIT);
}
#endif
#if NRF_POWER_HAS_USBREG
if ((0 != (enabled & NRF_POWER_INT_USBDETECTED_MASK)) &&
nrf_power_event_get_and_clear(NRF_POWER_EVENT_USBDETECTED))
{
/* Cannot be null if event is enabled */
ASSERT(m_usbevt_handler != NULL);
m_usbevt_handler(NRF_DRV_POWER_USB_EVT_DETECTED);
}
if ((0 != (enabled & NRF_POWER_INT_USBREMOVED_MASK)) &&
nrf_power_event_get_and_clear(NRF_POWER_EVENT_USBREMOVED))
{
/* Cannot be null if event is enabled */
ASSERT(m_usbevt_handler != NULL);
m_usbevt_handler(NRF_DRV_POWER_USB_EVT_REMOVED);
}
if ((0 != (enabled & NRF_POWER_INT_USBPWRRDY_MASK)) &&
nrf_power_event_get_and_clear(NRF_POWER_EVENT_USBPWRRDY))
{
/* Cannot be null if event is enabled */
ASSERT(m_usbevt_handler != NULL);
m_usbevt_handler(NRF_DRV_POWER_USB_EVT_READY);
}
#endif
}
#ifdef SOFTDEVICE_PRESENT
static void nrf_drv_power_sdh_soc_evt_handler(uint32_t evt_id, void * p_context);
static void nrf_drv_power_sdh_state_evt_handler(nrf_sdh_state_evt_t state, void * p_context);
NRF_SDH_SOC_OBSERVER(m_soc_observer, POWER_CONFIG_SOC_OBSERVER_PRIO,
nrf_drv_power_sdh_soc_evt_handler, NULL);
NRF_SDH_STATE_OBSERVER(m_sd_observer, POWER_CONFIG_STATE_OBSERVER_PRIO) =
{
.handler = nrf_drv_power_sdh_state_evt_handler,
.p_context = NULL
};
static void nrf_drv_power_sdh_soc_evt_handler(uint32_t evt_id, void * p_context)
{
if (evt_id == NRF_EVT_POWER_FAILURE_WARNING)
{
/* Cannot be null if event is enabled */
ASSERT(m_pofwarn_handler != NULL);
m_pofwarn_handler();
}
}
static void nrf_drv_power_on_sd_enable(void)
{
ASSERT(m_initialized); /* This module has to be enabled first */
CRITICAL_REGION_ENTER();
if (m_pofwarn_handler != NULL)
{
(void) sd_power_pof_enable(true);
}
CRITICAL_REGION_EXIT();
}
static void nrf_drv_power_on_sd_disable(void)
{
/* Reinit interrupts */
ASSERT(m_initialized);
nrf_drv_common_irq_enable(POWER_CLOCK_IRQn, CLOCK_CONFIG_IRQ_PRIORITY);
if (m_pofwarn_handler != NULL)
{
nrf_power_int_enable(NRF_POWER_INT_POFWARN_MASK);
}
#if NRF_POWER_HAS_USBREG
if (m_usbevt_handler != NULL)
{
nrf_power_int_enable(
NRF_POWER_INT_USBDETECTED_MASK |
NRF_POWER_INT_USBREMOVED_MASK |
NRF_POWER_INT_USBPWRRDY_MASK);
}
#endif
}
static void nrf_drv_power_sdh_state_evt_handler(nrf_sdh_state_evt_t state, void * p_context)
{
switch (state)
{
case NRF_SDH_EVT_STATE_ENABLED:
nrf_drv_power_on_sd_enable();
break;
case NRF_SDH_EVT_STATE_DISABLED:
nrf_drv_power_on_sd_disable();
break;
default:
break;
}
}
#endif // SOFTDEVICE_PRESENT
#endif /* NRF_MODULE_ENABLED(POWER) */
@@ -0,0 +1,371 @@
/**
* Copyright (c) 2017 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef NRF_DRV_POWER_H__
#define NRF_DRV_POWER_H__
#include <stdbool.h>
#include <stdint.h>
#include "nrf_power.h"
#include "sdk_config.h"
#include "nrf_drv_common.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup nrf_power Power HAL and driver
* @ingroup nrf_drivers
* @brief POWER peripheral APIs.
*
* The power peripheral HAL provides basic APIs for accessing
* the registers of the POWER peripheral.
* The POWER driver provides APIs on a higher level.
*/
/**
* @defgroup nrf_drv_power POWER driver
* @{
* @ingroup nrf_power
* @brief Driver for managing events and the state of POWER peripheral.
*
*/
/**
* @brief Power mode possible configurations
*/
typedef enum
{
NRF_DRV_POWER_MODE_CONSTLAT, /**< Constant latency mode *///!< NRF_DRV_POWER_MODE_CONSTLAT
NRF_DRV_POWER_MODE_LOWPWR /**< Low power mode *///!< NRF_DRV_POWER_MODE_LOWPWR
}nrf_drv_power_mode_t;
#if NRF_POWER_HAS_SLEEPEVT
/**
* @brief Events from power system
*/
typedef enum
{
NRF_DRV_POWER_SLEEP_EVT_ENTER, /**< CPU entered WFI/WFE sleep
*
* Keep in mind that if this interrupt is enabled,
* it means that CPU was waken up just after WFI by this interrupt.
*/
NRF_DRV_POWER_SLEEP_EVT_EXIT /**< CPU exited WFI/WFE sleep */
}nrf_drv_power_sleep_evt_t;
#endif /* NRF_POWER_HAS_SLEEPEVT */
#if NRF_POWER_HAS_USBREG
/**
* @brief Events from USB power system
*/
typedef enum
{
NRF_DRV_POWER_USB_EVT_DETECTED, /**< USB power detected on the connector (plugged in). */
NRF_DRV_POWER_USB_EVT_REMOVED, /**< USB power removed from the connector. */
NRF_DRV_POWER_USB_EVT_READY /**< USB power regulator ready. */
}nrf_drv_power_usb_evt_t;
/**
* @brief USB power state
*
* The single enumerator that holds all data about current state of USB
* related POWER.
*
* Organized this way that higher power state has higher numeric value
*/
typedef enum
{
NRF_DRV_POWER_USB_STATE_DISCONNECTED, /**< No power on USB lines detected */
NRF_DRV_POWER_USB_STATE_CONNECTED, /**< The USB power is detected, but USB power regulator is not ready */
NRF_DRV_POWER_USB_STATE_READY /**< From the power point of view USB is ready for working */
}nrf_drv_power_usb_state_t;
#endif /* NRF_POWER_HAS_USBREG */
/**
* @name Callback types
*
* Defined types of callback functions
* @{
*/
/**
* @brief Event handler for power failure warning
*/
typedef void (*nrf_drv_power_pofwarn_event_handler_t)(void);
#if NRF_POWER_HAS_SLEEPEVT
/**
* @brief Event handler for entering/exiting sleep
*
* @param event Event type
*/
typedef void (*nrf_drv_power_sleep_event_handler_t)(nrf_drv_power_sleep_evt_t event);
#endif
#if NRF_POWER_HAS_USBREG
/**
* @brief Event handler for USB related power events
*
* @param event Event type
*/
typedef void (*nrf_drv_power_usb_event_handler_t)(nrf_drv_power_usb_evt_t event);
#endif
/** @} */
/**
* @brief General power configuration
*
* Parameters required to initialize power driver.
*/
typedef struct
{
/**
* @brief Enable main DCDC regulator
*
* This bit only informs the driver that elements for DCDC regulator
* are installed and regulator can be used.
* The regulator would be enabled or disabled automatically
* automatically by the hardware, basing on current power requirement.
*/
bool dcdcen:1;
#if NRF_POWER_HAS_VDDH
/**
* @brief Enable HV DCDC regulator
*
* This bit only informs the driver that elements for DCDC regulator
* are installed and regulator can be used.
* The regulator would be enabled or disabled automatically
* automatically by the hardware, basing on current power requirement.
*/
bool dcdcenhv: 1;
#endif
}nrf_drv_power_config_t;
/**
* @brief The configuration for power failure comparator
*
* Configuration used to enable and configure power failure comparator
*/
typedef struct
{
nrf_drv_power_pofwarn_event_handler_t handler; //!< Event handler
nrf_power_pof_thr_t thr; //!< Threshold for power failure detection
#if NRF_POWER_HAS_VDDH
nrf_power_pof_thrvddh_t thrvddh; //!< Threshold for power failure detection on VDDH pin
#endif
}nrf_drv_power_pofwarn_config_t;
#if NRF_POWER_HAS_SLEEPEVT
/**
* @brief The configuration of sleep event processing
*
* Configuration used to enable and configure sleep event handling
*/
typedef struct
{
nrf_drv_power_sleep_event_handler_t handler; //!< Event handler
bool en_enter:1; //!< Enable event on sleep entering
bool en_exit :1; //!< Enable event on sleep exiting
}nrf_drv_power_sleepevt_config_t;
#endif
#if NRF_POWER_HAS_USBREG
/**
* @brief The configuration of USB related power events
*
* Configuration used to enable and configure USB power event handling
*/
typedef struct
{
nrf_drv_power_usb_event_handler_t handler; //!< Event processing
}nrf_drv_power_usbevt_config_t;
#endif /* NRF_POWER_HAS_USBREG */
/**
* @brief Function for checking if driver is already initialized
*
* This function is used to check whatever common POWER_CLOCK common interrupt
* should be disabled or not if @ref nrf_drv_clock tries to disable the interrupt.
*
* @retval true Driver is initialized
* @retval false Driver is uninitialized
*
* @sa nrf_drv_power_uninit
*/
bool nrf_drv_power_init_check(void);
/**
* @brief Initialize power module driver
*
* Enabled power module driver would process all the interrupts from power system.
*
* @param[in] p_config Driver configuration. Can be NULL - the default configuration
* from @em sdk_config.h file would be used then.
*
* @retval NRF_ERROR_INVALID_STATE Power driver has to be enabled
* before SoftDevice.
* @retval NRF_ERROR_MODULE_ALREADY_INITIALIZED Module is initialized already.
* @retval NRF_SUCCESS Successfully initialized.
*/
ret_code_t nrf_drv_power_init(nrf_drv_power_config_t const * p_config);
/**
* @brief Unintialize power module driver
*
* Disables all the interrupt handling in the module.
*
* @sa nrf_drv_power_init
*/
void nrf_drv_power_uninit(void);
/**
* @brief Initialize power failure comparator
*
* Configures and setups the power failure comparator and enables it.
*
* @param[in] p_config Configuration with values and event handler.
* If event handler is set to NULL, interrupt would be disabled.
*
* @retval NRF_ERROR_INVALID_STATE POF is initialized when SD is enabled and
* the configuration differs from the old one and
* is not possible to be set using SD interface.
* @retval NRF_SUCCESS Successfully initialized and configured.
*/
ret_code_t nrf_drv_power_pof_init(nrf_drv_power_pofwarn_config_t const * p_config);
/**
* @brief Turn off the power failure comparator
*
* Disables and clears the settings of the power failure comparator.
*/
void nrf_drv_power_pof_uninit(void);
#if NRF_POWER_HAS_SLEEPEVT
/**
* @brief Initialize sleep entering and exiting events processing
*
* Configures and setups the sleep event processing.
*
* @param[in] p_config Configuration with values and event handler.
*
* @sa nrf_drv_power_sleepevt_uninit
*
* @note Sleep events are not available when SoftDevice is enabled.
* @note If sleep event is enabled when SoftDevice is initialized, sleep events
* would be automatically disabled - it is the limitation of the
* SoftDevice itself.
*
* @retval NRF_ERROR_INVALID_STATE This event cannot be initialized
* when SD is enabled.
* @retval NRF_SUCCESS Successfully initialized and configured.
*/
ret_code_t nrf_drv_power_sleepevt_init(nrf_drv_power_sleepevt_config_t const * p_config);
/**
* @brief Uninitialize sleep entering and exiting events processing
*
* @sa nrf_drv_power_sleepevt_init
*/
void nrf_drv_power_sleepevt_uninit(void);
#endif /* NRF_POWER_HAS_SLEEPEVT */
#if NRF_POWER_HAS_USBREG
/**
* @brief Initialize USB power event processing
*
* Configures and setups the USB power event processing.
*
* @param[in] p_config Configuration with values and event handler.
*
* @sa nrf_drv_power_usbevt_uninit
*
* @retval NRF_ERROR_INVALID_STATE This event cannot be initialized
* when SD is enabled and SD does not support
* USB power events.
* @retval NRF_SUCCESS Successfully initialized and configured.
*/
ret_code_t nrf_drv_power_usbevt_init(nrf_drv_power_usbevt_config_t const * p_config);
/**
* @brief Uninitalize USB power event processing
*
* @sa nrf_drv_power_usbevt_init
*/
void nrf_drv_power_usbevt_uninit(void);
/**
* @brief Get the status of USB power
*
* @return Current USB power status
*/
__STATIC_INLINE nrf_drv_power_usb_state_t nrf_drv_power_usbstatus_get(void);
#endif /* NRF_POWER_HAS_USBREG */
/** @} */
#ifndef SUPPRESS_INLINE_IMPLEMENTATION
#if NRF_POWER_HAS_USBREG
__STATIC_INLINE nrf_drv_power_usb_state_t nrf_drv_power_usbstatus_get(void)
{
uint32_t status = nrf_power_usbregstatus_get();
if (0 == (status & NRF_POWER_USBREGSTATUS_VBUSDETECT_MASK))
{
return NRF_DRV_POWER_USB_STATE_DISCONNECTED;
}
if (0 == (status & NRF_POWER_USBREGSTATUS_OUTPUTRDY_MASK))
{
return NRF_DRV_POWER_USB_STATE_CONNECTED;
}
return NRF_DRV_POWER_USB_STATE_READY;
}
#endif /* NRF_POWER_HAS_USBREG */
#endif /* SUPPRESS_INLINE_IMPLEMENTATION */
#ifdef __cplusplus
}
#endif
#endif /* NRF_DRV_POWER_H__ */