simmel-bootloader/lib/sdk/components/drivers_nrf/common/nrf_drv_common.h
hathach df71d3444d follow #1
seperate files from latest SDK (currently 14.2.0) from good old non-
secure bootloader sdk 11
2018-04-05 00:35:08 +07:00

359 lines
12 KiB
C

/**
* Copyright (c) 2015 - 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_COMMON_H__
#define NRF_DRV_COMMON_H__
#include <stdint.h>
#include <stdbool.h>
#include "nrf.h"
#include "sdk_errors.h"
#include "sdk_common.h"
#include "nrf_assert.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef NRF51
#ifdef SOFTDEVICE_PRESENT
#define INTERRUPT_PRIORITY_IS_VALID(pri) (((pri) == 1) || ((pri) == 3))
#else
#define INTERRUPT_PRIORITY_IS_VALID(pri) ((pri) < 4)
#endif //SOFTDEVICE_PRESENT
#else
#ifdef SOFTDEVICE_PRESENT
#define INTERRUPT_PRIORITY_IS_VALID(pri) ((((pri) > 1) && ((pri) < 4)) || \
(((pri) > 4) && ((pri) < 8)))
#else
#define INTERRUPT_PRIORITY_IS_VALID(pri) ((pri) < 8)
#endif //SOFTDEVICE_PRESENT
#endif //NRF52
#define INTERRUPT_PRIORITY_VALIDATION(pri) STATIC_ASSERT(INTERRUPT_PRIORITY_IS_VALID((pri)))
#define INTERRUPT_PRIORITY_ASSERT(pri) ASSERT(INTERRUPT_PRIORITY_IS_VALID((pri)))
/**
* @defgroup nrf_drv_common Peripheral drivers common module
* @{
* @ingroup nrf_drivers
*/
/**
* @brief Offset of event registers in every peripheral instance.
*
* This is the offset where event registers start in every peripheral.
*/
#define NRF_DRV_COMMON_EVREGS_OFFSET 0x100U
/**
* @brief The flag that is set when POWER_CLOCK ISR is implemented in common module
*
* This flag means that the function POWER_CLOCK_IRQHandler is implemented in
* nrf_drv_common.c file. In the @c clock and @c power modules functions
* nrf_drv_clock_onIRQ nrf_drv_power_onIRQ should be implemented
* and they would be called from common implementation.
*
* None of the checking is done here.
* The implementation functions in @c clock and @c power are required to handle
* correctly the case when they are called without any event bit set.
*/
#define NRF_DRV_COMMON_POWER_CLOCK_ISR (NRF_MODULE_ENABLED(CLOCK) && NRF_MODULE_ENABLED(POWER))
/**
* @brief Driver state.
*/
typedef enum
{
NRF_DRV_STATE_UNINITIALIZED, /**< Uninitialized. */
NRF_DRV_STATE_INITIALIZED, /**< Initialized but powered off. */
NRF_DRV_STATE_POWERED_ON
} nrf_drv_state_t;
/**
* @brief Driver power state selection.
*/
typedef enum
{
NRF_DRV_PWR_CTRL_ON, /**< Power on request. */
NRF_DRV_PWR_CTRL_OFF /**< Power off request. */
} nrf_drv_pwr_ctrl_t;
/**
* @brief IRQ handler type.
*/
typedef void (*nrf_drv_irq_handler_t)(void);
#if NRF_MODULE_ENABLED(PERIPHERAL_RESOURCE_SHARING)
/**
* @brief Function for acquiring shared peripheral resources associated with
* the specified peripheral.
*
* Certain resources and registers are shared among peripherals that have
* the same ID (for example: SPI0, SPIM0, SPIS0, TWI0, TWIM0, and TWIS0).
* Only one of them can be utilized at a given time. This function reserves
* proper resources to be used by the specified peripheral.
* If PERIPHERAL_RESOURCE_SHARING_ENABLED is set to a non-zero value, IRQ
* handlers for peripherals that are sharing resources with others are
* implemented by the nrf_drv_common module instead of individual drivers.
* The drivers must then specify their interrupt handling routines and
* register them by using this function.
*
* @param[in] p_per_base Requested peripheral base pointer.
* @param[in] handler Interrupt handler to register. May be NULL
* if interrupts are not used for the peripheral.
*
* @retval NRF_SUCCESS If resources were acquired successfully.
* @retval NRF_ERROR_BUSY If resources were already acquired.
* @retval NRF_ERROR_INVALID_PARAM If the specified peripheral is not enabled
* or the peripheral does not share resources
* with other peripherals.
*/
ret_code_t nrf_drv_common_per_res_acquire(void const * p_per_base,
nrf_drv_irq_handler_t handler);
/**
* @brief Function for releasing shared resources reserved previously by
* @ref nrf_drv_common_per_res_acquire() for the specified peripheral.
*
* @param[in] p_per_base Requested peripheral base pointer.
*/
void nrf_drv_common_per_res_release(void const * p_per_base);
#endif // NRF_MODULE_ENABLED(PERIPHERAL_RESOURCE_SHARING)
/**
* @brief Function sets priority and enables NVIC interrupt
*
* @note Function checks if correct priority is used when softdevice is present
*
* @param[in] IRQn Interrupt id
* @param[in] priority Interrupt priority
*/
void nrf_drv_common_irq_enable(IRQn_Type IRQn, uint8_t priority);
#if NRF_MODULE_ENABLED(POWER)
/**
* @brief Disable power IRQ
*
* Power and clock peripheral uses the same IRQ.
* This function disables POWER_CLOCK IRQ only if CLOCK driver
* is uninitialized.
*
* @sa nrf_drv_common_power_clock_irq_init
*/
void nrf_drv_common_power_irq_disable(void);
#endif
#if NRF_MODULE_ENABLED(CLOCK)
/**
* @brief Disable clock IRQ
*
* Power and clock peripheral uses the same IRQ.
* This function disables POWER_CLOCK IRQ only if POWER driver
* is uninitialized.
*
* @sa nrf_drv_common_power_clock_irq_init
*/
void nrf_drv_common_clock_irq_disable(void);
#endif
/**
* @brief Check if interrupt is enabled
*
* Function that checks if selected interrupt is enabled.
*
* @param[in] IRQn Interrupt id
*
* @retval true Selected IRQ is enabled.
* @retval false Selected IRQ is disabled.
*/
__STATIC_INLINE bool nrf_drv_common_irq_enable_check(IRQn_Type IRQn);
/**
* @brief Function disables NVIC interrupt
*
* @param[in] IRQn Interrupt id
*/
__STATIC_INLINE void nrf_drv_common_irq_disable(IRQn_Type IRQn);
/**
* @brief Convert bit position to event code
*
* Function for converting the bit position in INTEN register to event code
* that is equivalent to the offset of the event register from the beginning
* of peripheral instance.
*
* For example the result of this function can be casted directly to
* the types like @ref nrf_twis_event_t or @ref nrf_rng_event_t
*
* @param bit Bit position in INTEN register
* @return Event code to be casted to the right enum type or to be used in functions like
* @ref nrf_rng_event_get
*
* @sa nrf_drv_event_to_bitpos
*/
__STATIC_INLINE uint32_t nrf_drv_bitpos_to_event(uint32_t bit);
/**
* @brief Convert event code to bit position
*
* This function can be used to get bit position in INTEN register from event code.
*
* @param event Event code that may be casted from enum values from types like
* @ref nrf_twis_event_t or @ref nrf_rng_event_t
* @return Bit position in INTEN register that corresponds to the given code.
*
* @sa nrf_drv_bitpos_to_event
*/
__STATIC_INLINE uint32_t nrf_drv_event_to_bitpos(uint32_t event);
/**
* @brief Get interrupt number connected with given instance
*
* Function returns interrupt number for a given instance of any peripheral.
* @param[in] pinst Pointer to peripheral registry
* @return Interrupt number
*/
__STATIC_INLINE IRQn_Type nrf_drv_get_IRQn(void const * const pinst);
#if NRF_MODULE_ENABLED(CLOCK) || NRF_MODULE_ENABLED(POWER)
/**
* @brief Enable and setup power clock IRQ
*
* This function would be called from @ref nrf_drv_clock and @ref nrf_drv_power
* to enable related interrupt.
* This function avoids multiple interrupt configuration.
*
* @note
* This function is aviable only if @ref nrf_drv_clock or @ref nrf_drv_power
* module is enabled.
*
* @note
* If both @ref nrf_drv_clock and @ref nrf_drv_power modules are enabled,
* during the compilation the check is made that
* @ref CLOCK_CONFIG_IRQ_PRIORITY equals @ref POWER_CONFIG_IRQ_PRIORITY.
*
* @sa nrf_drv_common_power_irq_disable
* @sa nrf_drv_common_clock_irq_disable
*/
__STATIC_INLINE void nrf_drv_common_power_clock_irq_init(void);
#endif
/**
* @brief Check if given object is in RAM
*
* Function for analyzing if given location is placed in RAM.
* This function is used to determine if we have address that can be supported by EasyDMA.
* @param[in] ptr Pointer to the object
* @retval true Object is located in RAM
* @retval false Object is not located in RAM
*/
__STATIC_INLINE bool nrf_drv_is_in_RAM(void const * const ptr);
#ifndef SUPPRESS_INLINE_IMPLEMENTATION
__STATIC_INLINE bool nrf_drv_common_irq_enable_check(IRQn_Type IRQn)
{
return 0 != (NVIC->ISER[(((uint32_t)(int32_t)IRQn) >> 5UL)] &
(uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)));
}
__STATIC_INLINE void nrf_drv_common_irq_disable(IRQn_Type IRQn)
{
NVIC_DisableIRQ(IRQn);
}
__STATIC_INLINE uint32_t nrf_drv_bitpos_to_event(uint32_t bit)
{
return NRF_DRV_COMMON_EVREGS_OFFSET + bit * sizeof(uint32_t);
}
__STATIC_INLINE uint32_t nrf_drv_event_to_bitpos(uint32_t event)
{
return (event - NRF_DRV_COMMON_EVREGS_OFFSET) / sizeof(uint32_t);
}
__STATIC_INLINE IRQn_Type nrf_drv_get_IRQn(void const * const pinst)
{
uint8_t ret = (uint8_t)((uint32_t)pinst>>12U);
return (IRQn_Type) ret;
}
#if NRF_MODULE_ENABLED(CLOCK) || NRF_MODULE_ENABLED(POWER)
__STATIC_INLINE void nrf_drv_common_power_clock_irq_init(void)
{
if (!nrf_drv_common_irq_enable_check(POWER_CLOCK_IRQn))
{
nrf_drv_common_irq_enable(
POWER_CLOCK_IRQn,
#if NRF_DRV_COMMON_POWER_CLOCK_ISR
#if CLOCK_CONFIG_IRQ_PRIORITY != POWER_CONFIG_IRQ_PRIORITY
#error CLOCK_CONFIG_IRQ_PRIORITY and POWER_CONFIG_IRQ_PRIORITY have to be the same.
#endif
CLOCK_CONFIG_IRQ_PRIORITY
#elif NRF_MODULE_ENABLED(CLOCK)
CLOCK_CONFIG_IRQ_PRIORITY
#elif NRF_MODULE_ENABLED(POWER)
POWER_CONFIG_IRQ_PRIORITY
#endif
);
}
}
#endif
__STATIC_INLINE bool nrf_drv_is_in_RAM(void const * const ptr)
{
return ((((uintptr_t)ptr) & 0xE0000000u) == 0x20000000u);
}
#endif // SUPPRESS_INLINE_IMPLEMENTATION
#ifdef __cplusplus
}
#endif
#endif // NRF_DRV_COMMON_H__
/** @} */