/**
* 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
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
#ifndef NRF_EGU_H__
#define NRF_EGU_H__
/**
* @defgroup nrf_egu EGU (Event Generator Unit) abstraction
* @{
* @ingroup nrf_drivers
* @brief @tagAPI52 EGU (Event Generator Unit) module functions.
*
*/
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
#include "nrf_assert.h"
#include "nrf.h"
#include "nrf_peripherals.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @enum nrf_egu_task_t
* @brief EGU tasks.
*/
typedef enum
{
/*lint -save -e30 -esym(628,__INTADDR__)*/
NRF_EGU_TASK_TRIGGER0 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[0]), /**< Trigger 0 for triggering the corresponding TRIGGERED[0] event. */
NRF_EGU_TASK_TRIGGER1 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[1]), /**< Trigger 1 for triggering the corresponding TRIGGERED[1] event. */
NRF_EGU_TASK_TRIGGER2 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[2]), /**< Trigger 2 for triggering the corresponding TRIGGERED[2] event. */
NRF_EGU_TASK_TRIGGER3 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[3]), /**< Trigger 3 for triggering the corresponding TRIGGERED[3] event. */
NRF_EGU_TASK_TRIGGER4 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[4]), /**< Trigger 4 for triggering the corresponding TRIGGERED[4] event. */
NRF_EGU_TASK_TRIGGER5 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[5]), /**< Trigger 5 for triggering the corresponding TRIGGERED[5] event. */
NRF_EGU_TASK_TRIGGER6 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[6]), /**< Trigger 6 for triggering the corresponding TRIGGERED[6] event. */
NRF_EGU_TASK_TRIGGER7 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[7]), /**< Trigger 7 for triggering the corresponding TRIGGERED[7] event. */
NRF_EGU_TASK_TRIGGER8 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[8]), /**< Trigger 8 for triggering the corresponding TRIGGERED[8] event. */
NRF_EGU_TASK_TRIGGER9 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[9]), /**< Trigger 9 for triggering the corresponding TRIGGERED[9] event. */
NRF_EGU_TASK_TRIGGER10 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[10]), /**< Trigger 10 for triggering the corresponding TRIGGERED[10] event. */
NRF_EGU_TASK_TRIGGER11 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[11]), /**< Trigger 11 for triggering the corresponding TRIGGERED[11] event. */
NRF_EGU_TASK_TRIGGER12 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[12]), /**< Trigger 12 for triggering the corresponding TRIGGERED[12] event. */
NRF_EGU_TASK_TRIGGER13 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[13]), /**< Trigger 13 for triggering the corresponding TRIGGERED[13] event. */
NRF_EGU_TASK_TRIGGER14 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[14]), /**< Trigger 14 for triggering the corresponding TRIGGERED[14] event. */
NRF_EGU_TASK_TRIGGER15 = offsetof(NRF_EGU_Type, TASKS_TRIGGER[15]) /**< Trigger 15 for triggering the corresponding TRIGGERED[15] event. */
/*lint -restore*/
} nrf_egu_task_t;
/**
* @enum nrf_egu_event_t
* @brief EGU events.
*/
typedef enum
{
/*lint -save -e30 -esym(628,__INTADDR__)*/
NRF_EGU_EVENT_TRIGGERED0 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[0]), /**< Event number 0 generated by triggering the corresponding TRIGGER[0] task. */
NRF_EGU_EVENT_TRIGGERED1 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[1]), /**< Event number 1 generated by triggering the corresponding TRIGGER[1] task. */
NRF_EGU_EVENT_TRIGGERED2 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[2]), /**< Event number 2 generated by triggering the corresponding TRIGGER[2] task. */
NRF_EGU_EVENT_TRIGGERED3 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[3]), /**< Event number 3 generated by triggering the corresponding TRIGGER[3] task. */
NRF_EGU_EVENT_TRIGGERED4 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[4]), /**< Event number 4 generated by triggering the corresponding TRIGGER[4] task. */
NRF_EGU_EVENT_TRIGGERED5 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[5]), /**< Event number 5 generated by triggering the corresponding TRIGGER[5] task. */
NRF_EGU_EVENT_TRIGGERED6 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[6]), /**< Event number 6 generated by triggering the corresponding TRIGGER[6] task. */
NRF_EGU_EVENT_TRIGGERED7 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[7]), /**< Event number 7 generated by triggering the corresponding TRIGGER[7] task. */
NRF_EGU_EVENT_TRIGGERED8 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[8]), /**< Event number 8 generated by triggering the corresponding TRIGGER[8] task. */
NRF_EGU_EVENT_TRIGGERED9 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[9]), /**< Event number 9 generated by triggering the corresponding TRIGGER[9] task. */
NRF_EGU_EVENT_TRIGGERED10 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[10]), /**< Event number 10 generated by triggering the corresponding TRIGGER[10] task. */
NRF_EGU_EVENT_TRIGGERED11 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[11]), /**< Event number 11 generated by triggering the corresponding TRIGGER[11] task. */
NRF_EGU_EVENT_TRIGGERED12 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[12]), /**< Event number 12 generated by triggering the corresponding TRIGGER[12] task. */
NRF_EGU_EVENT_TRIGGERED13 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[13]), /**< Event number 13 generated by triggering the corresponding TRIGGER[13] task. */
NRF_EGU_EVENT_TRIGGERED14 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[14]), /**< Event number 14 generated by triggering the corresponding TRIGGER[14] task. */
NRF_EGU_EVENT_TRIGGERED15 = offsetof(NRF_EGU_Type, EVENTS_TRIGGERED[15]) /**< Event number 15 generated by triggering the corresponding TRIGGER[15] task. */
/*lint -restore*/
} nrf_egu_event_t;
/**
* @enum nrf_egu_int_mask_t
* @brief EGU interrupts.
*/
typedef enum
{
NRF_EGU_INT_TRIGGERED0 = EGU_INTENSET_TRIGGERED0_Msk, /**< Interrupt on EVENTS_TRIGGERED[0] event. */
NRF_EGU_INT_TRIGGERED1 = EGU_INTENSET_TRIGGERED1_Msk, /**< Interrupt on EVENTS_TRIGGERED[1] event. */
NRF_EGU_INT_TRIGGERED2 = EGU_INTENSET_TRIGGERED2_Msk, /**< Interrupt on EVENTS_TRIGGERED[2] event. */
NRF_EGU_INT_TRIGGERED3 = EGU_INTENSET_TRIGGERED3_Msk, /**< Interrupt on EVENTS_TRIGGERED[3] event. */
NRF_EGU_INT_TRIGGERED4 = EGU_INTENSET_TRIGGERED4_Msk, /**< Interrupt on EVENTS_TRIGGERED[4] event. */
NRF_EGU_INT_TRIGGERED5 = EGU_INTENSET_TRIGGERED5_Msk, /**< Interrupt on EVENTS_TRIGGERED[5] event. */
NRF_EGU_INT_TRIGGERED6 = EGU_INTENSET_TRIGGERED6_Msk, /**< Interrupt on EVENTS_TRIGGERED[6] event. */
NRF_EGU_INT_TRIGGERED7 = EGU_INTENSET_TRIGGERED7_Msk, /**< Interrupt on EVENTS_TRIGGERED[7] event. */
NRF_EGU_INT_TRIGGERED8 = EGU_INTENSET_TRIGGERED8_Msk, /**< Interrupt on EVENTS_TRIGGERED[8] event. */
NRF_EGU_INT_TRIGGERED9 = EGU_INTENSET_TRIGGERED9_Msk, /**< Interrupt on EVENTS_TRIGGERED[9] event. */
NRF_EGU_INT_TRIGGERED10 = EGU_INTENSET_TRIGGERED10_Msk, /**< Interrupt on EVENTS_TRIGGERED[10] event. */
NRF_EGU_INT_TRIGGERED11 = EGU_INTENSET_TRIGGERED11_Msk, /**< Interrupt on EVENTS_TRIGGERED[11] event. */
NRF_EGU_INT_TRIGGERED12 = EGU_INTENSET_TRIGGERED12_Msk, /**< Interrupt on EVENTS_TRIGGERED[12] event. */
NRF_EGU_INT_TRIGGERED13 = EGU_INTENSET_TRIGGERED13_Msk, /**< Interrupt on EVENTS_TRIGGERED[13] event. */
NRF_EGU_INT_TRIGGERED14 = EGU_INTENSET_TRIGGERED14_Msk, /**< Interrupt on EVENTS_TRIGGERED[14] event. */
NRF_EGU_INT_TRIGGERED15 = EGU_INTENSET_TRIGGERED15_Msk, /**< Interrupt on EVENTS_TRIGGERED[15] event. */
NRF_EGU_INT_ALL = 0xFFFFuL
} nrf_egu_int_mask_t;
/**@brief Function for getting max channel number of given EGU.
*
* @param NRF_EGUx EGU instance.
*
* @returns number of available channels.
*/
__STATIC_INLINE uint32_t nrf_egu_channel_count(NRF_EGU_Type * NRF_EGUx)
{
if (NRF_EGUx == NRF_EGU0){
return EGU0_CH_NUM;
}
if (NRF_EGUx == NRF_EGU1){
return EGU1_CH_NUM;
}
#if EGU_COUNT > 2
if (NRF_EGUx == NRF_EGU2){
return EGU2_CH_NUM;
}
if (NRF_EGUx == NRF_EGU3){
return EGU3_CH_NUM;
}
if (NRF_EGUx == NRF_EGU4){
return EGU4_CH_NUM;
}
if (NRF_EGUx == NRF_EGU5){
return EGU5_CH_NUM;
}
#endif
return 0;
}
/**
* @brief Function for triggering a specific EGU task.
*
* @param NRF_EGUx EGU instance.
* @param egu_task EGU task.
*/
__STATIC_INLINE void nrf_egu_task_trigger(NRF_EGU_Type * NRF_EGUx, nrf_egu_task_t egu_task)
{
ASSERT(NRF_EGUx);
*((volatile uint32_t *)((uint8_t *)NRF_EGUx + (uint32_t)egu_task)) = 0x1UL;
}
/**
* @brief Function for returning the address of a specific EGU task register.
*
* @param NRF_EGUx EGU instance.
* @param egu_task EGU task.
*/
__STATIC_INLINE uint32_t * nrf_egu_task_address_get(NRF_EGU_Type * NRF_EGUx,
nrf_egu_task_t egu_task)
{
ASSERT(NRF_EGUx);
return (uint32_t *)((uint8_t *)NRF_EGUx + (uint32_t)egu_task);
}
/**
* @brief Function for returning the address of a specific EGU TRIGGER task register.
*
* @param NRF_EGUx EGU instance.
* @param channel Channel number.
*/
__STATIC_INLINE uint32_t * nrf_egu_task_trigger_address_get(NRF_EGU_Type * NRF_EGUx,
uint8_t channel)
{
ASSERT(NRF_EGUx);
ASSERT(channel < nrf_egu_channel_count(NRF_EGUx));
return (uint32_t*)&NRF_EGUx->TASKS_TRIGGER[channel];
}
/**
* @brief Function for returning the specific EGU TRIGGER task.
*
* @param NRF_EGUx EGU instance.
* @param channel Channel number.
*/
__STATIC_INLINE nrf_egu_task_t nrf_egu_task_trigger_get(NRF_EGU_Type * NRF_EGUx, uint8_t channel)
{
ASSERT(NRF_EGUx);
ASSERT(channel < nrf_egu_channel_count(NRF_EGUx));
return (nrf_egu_task_t)((uint32_t) NRF_EGU_TASK_TRIGGER0 + (channel * sizeof(uint32_t)));
}
/**
* @brief Function for returning the state of a specific EGU event.
*
* @param NRF_EGUx EGU instance.
* @param egu_event EGU event to check.
*/
__STATIC_INLINE bool nrf_egu_event_check(NRF_EGU_Type * NRF_EGUx,
nrf_egu_event_t egu_event)
{
ASSERT(NRF_EGUx);
return (bool)*(volatile uint32_t *)((uint8_t *)NRF_EGUx + (uint32_t)egu_event);
}
/**
* @brief Function for clearing a specific EGU event.
*
* @param NRF_EGUx EGU instance.
* @param egu_event EGU event to clear.
*/
__STATIC_INLINE void nrf_egu_event_clear(NRF_EGU_Type * NRF_EGUx,
nrf_egu_event_t egu_event)
{
ASSERT(NRF_EGUx);
*((volatile uint32_t *)((uint8_t *)NRF_EGUx + (uint32_t)egu_event)) = 0x0UL;
#if __CORTEX_M == 0x04
volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)NRF_EGUx + (uint32_t)egu_event));
(void)dummy;
#endif
}
/**
* @brief Function for returning the address of a specific EGU event register.
*
* @param NRF_EGUx EGU instance.
* @param egu_event EGU event.
*/
__STATIC_INLINE uint32_t * nrf_egu_event_address_get(NRF_EGU_Type * NRF_EGUx,
nrf_egu_event_t egu_event)
{
ASSERT(NRF_EGUx);
return (uint32_t *)((uint8_t *)NRF_EGUx + (uint32_t)egu_event);
}
/**
* @brief Function for returning the address of a specific EGU TRIGGERED event register.
*
* @param NRF_EGUx EGU instance.
* @param channel Channel number.
*/
__STATIC_INLINE uint32_t * nrf_egu_event_triggered_address_get(NRF_EGU_Type * NRF_EGUx,
uint8_t channel)
{
ASSERT(NRF_EGUx);
ASSERT(channel < nrf_egu_channel_count(NRF_EGUx));
return (uint32_t*)&NRF_EGUx->EVENTS_TRIGGERED[channel];
}
/**
* @brief Function for returning the specific EGU TRIGGERED event.
*
* @param NRF_EGUx EGU instance.
* @param channel Channel number.
*/
__STATIC_INLINE nrf_egu_event_t nrf_egu_event_triggered_get(NRF_EGU_Type * NRF_EGUx,
uint8_t channel)
{
ASSERT(NRF_EGUx);
ASSERT(channel < nrf_egu_channel_count(NRF_EGUx));
return (nrf_egu_event_t)((uint32_t) NRF_EGU_EVENT_TRIGGERED0 + (channel * sizeof(uint32_t)));
}
/**
* @brief Function for enabling one or more specific EGU interrupts.
*
* @param NRF_EGUx EGU instance.
* @param egu_int_mask Interrupts to enable.
*/
__STATIC_INLINE void nrf_egu_int_enable(NRF_EGU_Type * NRF_EGUx, uint32_t egu_int_mask)
{
ASSERT(NRF_EGUx);
NRF_EGUx->INTENSET = egu_int_mask;
}
/**
* @brief Function for retrieving the state of one or more EGU interrupts.
*
* @param NRF_EGUx EGU instance.
* @param egu_int_mask Interrupts to check.
*
* @retval true If all of the specified interrupts are enabled.
* @retval false If at least one of the specified interrupts is disabled.
*/
__STATIC_INLINE bool nrf_egu_int_enable_check(NRF_EGU_Type * NRF_EGUx, uint32_t egu_int_mask)
{
ASSERT(NRF_EGUx);
return (bool)(NRF_EGUx->INTENSET & egu_int_mask);
}
/**
* @brief Function for disabling one or more specific EGU interrupts.
*
* @param NRF_EGUx EGU instance.
* @param egu_int_mask Interrupts to disable.
*/
__STATIC_INLINE void nrf_egu_int_disable(NRF_EGU_Type * NRF_EGUx, uint32_t egu_int_mask)
{
ASSERT(NRF_EGUx);
NRF_EGUx->INTENCLR = egu_int_mask;
}
/**
* @brief Function for retrieving one or more specific EGU interrupts.
*
* @param NRF_EGUx EGU instance.
* @param channel Channel number.
*
* @returns EGU interrupt mask.
*/
__STATIC_INLINE nrf_egu_int_mask_t nrf_egu_int_get(NRF_EGU_Type * NRF_EGUx, uint8_t channel)
{
ASSERT(NRF_EGUx);
ASSERT(channel < nrf_egu_channel_count(NRF_EGUx));
return (nrf_egu_int_mask_t)((uint32_t) (EGU_INTENSET_TRIGGERED0_Msk << channel));
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif