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339
lib/sdk/components/drivers_nrf/timer/nrf_drv_timer.c
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/**
* 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.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(TIMER)
#define ENABLED_TIMER_COUNT (TIMER0_ENABLED+TIMER1_ENABLED+TIMER2_ENABLED+TIMER3_ENABLED+TIMER4_ENABLED)
#if ENABLED_TIMER_COUNT
#include "nrf_drv_timer.h"
#include "nrf_drv_common.h"
#include "app_util_platform.h"
#define NRF_LOG_MODULE_NAME timer
#if TIMER_CONFIG_LOG_ENABLED
#define NRF_LOG_LEVEL TIMER_CONFIG_LOG_LEVEL
#define NRF_LOG_INFO_COLOR TIMER_CONFIG_INFO_COLOR
#define NRF_LOG_DEBUG_COLOR TIMER_CONFIG_DEBUG_COLOR
#else //TIMER_CONFIG_LOG_ENABLED
#define NRF_LOG_LEVEL 0
#endif //TIMER_CONFIG_LOG_ENABLED
#include "nrf_log.h"
NRF_LOG_MODULE_REGISTER();
/**@brief Timer control block. */
typedef struct
{
nrf_timer_event_handler_t handler;
void * context;
nrf_drv_state_t state;
} timer_control_block_t;
static timer_control_block_t m_cb[ENABLED_TIMER_COUNT];
ret_code_t nrf_drv_timer_init(nrf_drv_timer_t const * const p_instance,
nrf_drv_timer_config_t const * p_config,
nrf_timer_event_handler_t timer_event_handler)
{
timer_control_block_t * p_cb = &m_cb[p_instance->instance_id];
ASSERT(((p_instance->p_reg == NRF_TIMER0) && TIMER0_ENABLED) || (p_instance->p_reg != NRF_TIMER0));
ASSERT(((p_instance->p_reg == NRF_TIMER1) && TIMER1_ENABLED) || (p_instance->p_reg != NRF_TIMER1));
ASSERT(((p_instance->p_reg == NRF_TIMER2) && TIMER2_ENABLED) || (p_instance->p_reg != NRF_TIMER2));
#if defined (NRF_TIMER3)
ASSERT(((p_instance->p_reg == NRF_TIMER3) && TIMER3_ENABLED) || (p_instance->p_reg != NRF_TIMER3));
#endif
#if defined (NRF_TIMER4)
ASSERT(((p_instance->p_reg == NRF_TIMER4) && TIMER4_ENABLED) || (p_instance->p_reg != NRF_TIMER4));
#endif
#ifdef SOFTDEVICE_PRESENT
ASSERT(p_instance->p_reg != NRF_TIMER0);
#endif
ASSERT(p_config);
ret_code_t err_code;
if (p_cb->state != NRF_DRV_STATE_UNINITIALIZED)
{
err_code = NRF_ERROR_INVALID_STATE;
NRF_LOG_WARNING("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (timer_event_handler == NULL)
{
err_code = NRF_ERROR_INVALID_PARAM;
NRF_LOG_WARNING("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
/* Warning 685: Relational operator '<=' always evaluates to 'true'"
* Warning in NRF_TIMER_IS_BIT_WIDTH_VALID macro. Macro validate timers resolution.
* Not necessary in nRF52 based systems. Obligatory in nRF51 based systems.
*/
/*lint -save -e685 */
ASSERT(NRF_TIMER_IS_BIT_WIDTH_VALID(p_instance->p_reg, p_config->bit_width));
//lint -restore
p_cb->handler = timer_event_handler;
p_cb->context = p_config->p_context;
uint8_t i;
for (i = 0; i < p_instance->cc_channel_count; ++i)
{
nrf_timer_event_clear(p_instance->p_reg,
nrf_timer_compare_event_get(i));
}
nrf_drv_common_irq_enable(nrf_drv_get_IRQn(p_instance->p_reg),
p_config->interrupt_priority);
nrf_timer_mode_set(p_instance->p_reg, p_config->mode);
nrf_timer_bit_width_set(p_instance->p_reg, p_config->bit_width);
nrf_timer_frequency_set(p_instance->p_reg, p_config->frequency);
p_cb->state = NRF_DRV_STATE_INITIALIZED;
err_code = NRF_SUCCESS;
NRF_LOG_INFO("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
void nrf_drv_timer_uninit(nrf_drv_timer_t const * const p_instance)
{
nrf_drv_common_irq_disable(nrf_drv_get_IRQn(p_instance->p_reg));
#define DISABLE_ALL UINT32_MAX
nrf_timer_shorts_disable(p_instance->p_reg, DISABLE_ALL);
nrf_timer_int_disable(p_instance->p_reg, DISABLE_ALL);
#undef DISABLE_ALL
if (m_cb[p_instance->instance_id].state == NRF_DRV_STATE_POWERED_ON)
{
nrf_drv_timer_disable(p_instance);
}
m_cb[p_instance->instance_id].state = NRF_DRV_STATE_UNINITIALIZED;
NRF_LOG_INFO("Uninitialized instance: %d.", p_instance->instance_id);
}
void nrf_drv_timer_enable(nrf_drv_timer_t const * const p_instance)
{
ASSERT(m_cb[p_instance->instance_id].state == NRF_DRV_STATE_INITIALIZED);
nrf_timer_task_trigger(p_instance->p_reg, NRF_TIMER_TASK_START);
m_cb[p_instance->instance_id].state = NRF_DRV_STATE_POWERED_ON;
NRF_LOG_INFO("Enabled instance: %d.", p_instance->instance_id);
}
void nrf_drv_timer_disable(nrf_drv_timer_t const * const p_instance)
{
ASSERT(m_cb[p_instance->instance_id].state == NRF_DRV_STATE_POWERED_ON);
nrf_timer_task_trigger(p_instance->p_reg, NRF_TIMER_TASK_SHUTDOWN);
m_cb[p_instance->instance_id].state = NRF_DRV_STATE_INITIALIZED;
NRF_LOG_INFO("Disabled instance: %d.", p_instance->instance_id);
}
void nrf_drv_timer_resume(nrf_drv_timer_t const * const p_instance)
{
ASSERT(m_cb[p_instance->instance_id].state == NRF_DRV_STATE_POWERED_ON);
nrf_timer_task_trigger(p_instance->p_reg, NRF_TIMER_TASK_START);
NRF_LOG_INFO("Resumed instance: %d.", p_instance->instance_id);
}
void nrf_drv_timer_pause(nrf_drv_timer_t const * const p_instance)
{
ASSERT(m_cb[p_instance->instance_id].state == NRF_DRV_STATE_POWERED_ON);
nrf_timer_task_trigger(p_instance->p_reg, NRF_TIMER_TASK_STOP);
NRF_LOG_INFO("Paused instance: %d.", p_instance->instance_id);
}
void nrf_drv_timer_clear(nrf_drv_timer_t const * const p_instance)
{
ASSERT(m_cb[p_instance->instance_id].state != NRF_DRV_STATE_UNINITIALIZED);
nrf_timer_task_trigger(p_instance->p_reg, NRF_TIMER_TASK_CLEAR);
}
void nrf_drv_timer_increment(nrf_drv_timer_t const * const p_instance)
{
ASSERT(m_cb[p_instance->instance_id].state == NRF_DRV_STATE_POWERED_ON);
ASSERT(nrf_timer_mode_get(p_instance->p_reg) != NRF_TIMER_MODE_TIMER);
nrf_timer_task_trigger(p_instance->p_reg, NRF_TIMER_TASK_COUNT);
}
uint32_t nrf_drv_timer_capture(nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel)
{
ASSERT(m_cb[p_instance->instance_id].state != NRF_DRV_STATE_UNINITIALIZED);
ASSERT(cc_channel < p_instance->cc_channel_count);
nrf_timer_task_trigger(p_instance->p_reg,
nrf_timer_capture_task_get(cc_channel));
return nrf_timer_cc_read(p_instance->p_reg, cc_channel);
}
void nrf_drv_timer_compare(nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel,
uint32_t cc_value,
bool enable_int)
{
nrf_timer_int_mask_t timer_int = nrf_timer_compare_int_get(cc_channel);
if (enable_int)
{
nrf_timer_int_enable(p_instance->p_reg, timer_int);
}
else
{
nrf_timer_int_disable(p_instance->p_reg, timer_int);
}
nrf_timer_cc_write(p_instance->p_reg, cc_channel, cc_value);
NRF_LOG_INFO("Timer id: %d, capture value set: %d, channel: %d.", p_instance->instance_id, cc_value, cc_channel);
}
void nrf_drv_timer_extended_compare(nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel,
uint32_t cc_value,
nrf_timer_short_mask_t timer_short_mask,
bool enable_int)
{
nrf_timer_shorts_disable(p_instance->p_reg,
(TIMER_SHORTS_COMPARE0_STOP_Msk << cc_channel) |
(TIMER_SHORTS_COMPARE0_CLEAR_Msk << cc_channel));
nrf_timer_shorts_enable(p_instance->p_reg, timer_short_mask);
(void)nrf_drv_timer_compare(p_instance,
cc_channel,
cc_value,
enable_int);
NRF_LOG_INFO("Timer id: %d, capture value set: %d, channel: %d.", p_instance->instance_id, cc_value, cc_channel);
}
void nrf_drv_timer_compare_int_enable(nrf_drv_timer_t const * const p_instance,
uint32_t channel)
{
ASSERT(m_cb[p_instance->instance_id].state != NRF_DRV_STATE_UNINITIALIZED);
ASSERT(channel < p_instance->cc_channel_count);
nrf_timer_event_clear(p_instance->p_reg,
nrf_timer_compare_event_get(channel));
nrf_timer_int_enable(p_instance->p_reg,
nrf_timer_compare_int_get(channel));
}
void nrf_drv_timer_compare_int_disable(nrf_drv_timer_t const * const p_instance,
uint32_t channel)
{
ASSERT(m_cb[p_instance->instance_id].state != NRF_DRV_STATE_UNINITIALIZED);
ASSERT(channel < p_instance->cc_channel_count);
nrf_timer_int_disable(p_instance->p_reg,
nrf_timer_compare_int_get(channel));
}
static void irq_handler(NRF_TIMER_Type * p_reg,
timer_control_block_t * p_cb,
uint8_t channel_count)
{
uint8_t i;
for (i = 0; i < channel_count; ++i)
{
nrf_timer_event_t event = nrf_timer_compare_event_get(i);
nrf_timer_int_mask_t int_mask = nrf_timer_compare_int_get(i);
if (nrf_timer_event_check(p_reg, event) &&
nrf_timer_int_enable_check(p_reg, int_mask))
{
nrf_timer_event_clear(p_reg, event);
NRF_LOG_DEBUG("Compare event, channel: %d.", i);
p_cb->handler(event, p_cb->context);
}
}
}
#if NRF_MODULE_ENABLED(TIMER0)
void TIMER0_IRQHandler(void)
{
irq_handler(NRF_TIMER0, &m_cb[TIMER0_INSTANCE_INDEX],
NRF_TIMER_CC_CHANNEL_COUNT(0));
}
#endif
#if NRF_MODULE_ENABLED(TIMER1)
void TIMER1_IRQHandler(void)
{
irq_handler(NRF_TIMER1, &m_cb[TIMER1_INSTANCE_INDEX],
NRF_TIMER_CC_CHANNEL_COUNT(1));
}
#endif
#if NRF_MODULE_ENABLED(TIMER2)
void TIMER2_IRQHandler(void)
{
irq_handler(NRF_TIMER2, &m_cb[TIMER2_INSTANCE_INDEX],
NRF_TIMER_CC_CHANNEL_COUNT(2));
}
#endif
#if defined (NRF_TIMER3)
#if NRF_MODULE_ENABLED(TIMER3)
void TIMER3_IRQHandler(void)
{
irq_handler(NRF_TIMER3, &m_cb[TIMER3_INSTANCE_INDEX],
NRF_TIMER_CC_CHANNEL_COUNT(3));
}
#endif
#endif
#if defined (NRF_TIMER4)
#if NRF_MODULE_ENABLED(TIMER4)
void TIMER4_IRQHandler(void)
{
irq_handler(NRF_TIMER4, &m_cb[TIMER4_INSTANCE_INDEX],
NRF_TIMER_CC_CHANNEL_COUNT(4));
}
#endif
#endif
#endif // ENABLED_TIMER_COUNT
#endif // NRF_MODULE_ENABLED(TIMER)

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lib/sdk/components/drivers_nrf/timer/nrf_drv_timer.h
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/**
* 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.
*
*/
/**@file
* @addtogroup nrf_timer Timer HAL and driver
* @ingroup nrf_drivers
* @brief Timer APIs.
* @details The timer HAL provides basic APIs for accessing the registers
* of the timer. The timer driver provides APIs on a higher level.
*
* @defgroup nrf_drv_timer Timer driver
* @{
* @ingroup nrf_timer
* @brief Multi-instance timer driver.
*/
#ifndef NRF_DRV_TIMER_H__
#define NRF_DRV_TIMER_H__
#include "nordic_common.h"
#include "sdk_config.h"
#include "nrf_timer.h"
#include "sdk_errors.h"
#include "nrf_assert.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Timer driver instance data structure.
*/
typedef struct
{
NRF_TIMER_Type * p_reg; ///< Pointer to the structure with TIMER peripheral instance registers.
uint8_t instance_id; ///< Driver instance index.
uint8_t cc_channel_count; ///< Number of capture/compare channels.
} nrf_drv_timer_t;
#define ENABLED_TIMER_COUNT (TIMER0_ENABLED+TIMER1_ENABLED+TIMER2_ENABLED+TIMER3_ENABLED+TIMER4_ENABLED)
#define TIMER0_INSTANCE_INDEX 0
#define TIMER1_INSTANCE_INDEX TIMER0_INSTANCE_INDEX+TIMER0_ENABLED
#define TIMER2_INSTANCE_INDEX TIMER1_INSTANCE_INDEX+TIMER1_ENABLED
#define TIMER3_INSTANCE_INDEX TIMER2_INSTANCE_INDEX+TIMER2_ENABLED
#define TIMER4_INSTANCE_INDEX TIMER3_INSTANCE_INDEX+TIMER3_ENABLED
/**
* @brief Macro for creating a timer driver instance.
*/
#define NRF_DRV_TIMER_INSTANCE(id) \
{ \
.p_reg = CONCAT_2(NRF_TIMER, id), \
.instance_id = CONCAT_3(TIMER, id, _INSTANCE_INDEX), \
.cc_channel_count = NRF_TIMER_CC_CHANNEL_COUNT(id), \
}
/**
* @brief Timer driver instance configuration structure.
*/
typedef struct
{
nrf_timer_frequency_t frequency; ///< Frequency.
nrf_timer_mode_t mode; ///< Mode of operation.
nrf_timer_bit_width_t bit_width; ///< Bit width.
uint8_t interrupt_priority; ///< Interrupt priority.
void * p_context; ///< Context passed to interrupt handler.
} nrf_drv_timer_config_t;
/**
* @brief Timer driver instance default configuration.
*/
#define NRF_DRV_TIMER_DEFAULT_CONFIG \
{ \
.frequency = (nrf_timer_frequency_t)TIMER_DEFAULT_CONFIG_FREQUENCY,\
.mode = (nrf_timer_mode_t)TIMER_DEFAULT_CONFIG_MODE, \
.bit_width = (nrf_timer_bit_width_t)TIMER_DEFAULT_CONFIG_BIT_WIDTH,\
.interrupt_priority = TIMER_DEFAULT_CONFIG_IRQ_PRIORITY, \
.p_context = NULL \
}
/**
* @brief Timer driver event handler type.
*
* @param[in] event_type Timer event.
* @param[in] p_context General purpose parameter set during initialization of
* the timer. This parameter can be used to pass
* additional information to the handler function, for
* example, the timer ID.
*/
typedef void (* nrf_timer_event_handler_t)(nrf_timer_event_t event_type,
void * p_context);
/**
* @brief Function for initializing the timer.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] p_config Initial configuration. Must not be NULL.
* @param[in] timer_event_handler Event handler provided by the user.
* Must not be NULL.
*
* @retval NRF_SUCCESS If initialization was successful.
* @retval NRF_ERROR_INVALID_STATE If the instance is already initialized.
* @retval NRF_ERROR_INVALID_PARAM If no handler was provided.
*/
ret_code_t nrf_drv_timer_init(nrf_drv_timer_t const * const p_instance,
nrf_drv_timer_config_t const * p_config,
nrf_timer_event_handler_t timer_event_handler);
/**
* @brief Function for uninitializing the timer.
*
* @param[in] p_instance Pointer to the driver instance structure.
*/
void nrf_drv_timer_uninit(nrf_drv_timer_t const * const p_instance);
/**
* @brief Function for turning on the timer.
*
* @param[in] p_instance Pointer to the driver instance structure.
*/
void nrf_drv_timer_enable(nrf_drv_timer_t const * const p_instance);
/**
* @brief Function for turning off the timer.
*
* Note that the timer will allow to enter the lowest possible SYSTEM_ON state
* only after this function is called.
*
* @param[in] p_instance Pointer to the driver instance structure.
*/
void nrf_drv_timer_disable(nrf_drv_timer_t const * const p_instance);
/**
* @brief Function for pausing the timer.
*
* @param[in] p_instance Pointer to the driver instance structure.
*/
void nrf_drv_timer_pause(nrf_drv_timer_t const * const p_instance);
/**
* @brief Function for resuming the timer.
*
* @param[in] p_instance Pointer to the driver instance structure.
*/
void nrf_drv_timer_resume(nrf_drv_timer_t const * const p_instance);
/**
* @brief Function for clearing the timer.
*
* @param[in] p_instance Pointer to the driver instance structure.
*/
void nrf_drv_timer_clear(nrf_drv_timer_t const * const p_instance);
/**
* @brief Function for incrementing the timer.
*
* @param[in] p_instance Pointer to the driver instance structure.
*/
void nrf_drv_timer_increment(nrf_drv_timer_t const * const p_instance);
/**
* @brief Function for returning the address of a specific timer task.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] timer_task Timer task.
*
* @return Task address.
*/
__STATIC_INLINE uint32_t nrf_drv_timer_task_address_get(
nrf_drv_timer_t const * const p_instance,
nrf_timer_task_t timer_task);
/**
* @brief Function for returning the address of a specific timer capture task.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] channel Capture channel number.
*
* @return Task address.
*/
__STATIC_INLINE uint32_t nrf_drv_timer_capture_task_address_get(
nrf_drv_timer_t const * const p_instance,
uint32_t channel);
/**
* @brief Function for returning the address of a specific timer event.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] timer_event Timer event.
*
* @return Event address.
*/
__STATIC_INLINE uint32_t nrf_drv_timer_event_address_get(
nrf_drv_timer_t const * const p_instance,
nrf_timer_event_t timer_event);
/**
* @brief Function for returning the address of a specific timer compare event.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] channel Compare channel number.
*
* @return Event address.
*/
__STATIC_INLINE uint32_t nrf_drv_timer_compare_event_address_get(
nrf_drv_timer_t const * const p_instance,
uint32_t channel);
/**
* @brief Function for capturing the timer value.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] cc_channel Capture channel number.
*
* @return Captured value.
*/
uint32_t nrf_drv_timer_capture(nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel);
/**
* @brief Function for returning the capture value from a specific channel.
*
* Use this function to read channel values when PPI is used for capturing.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] cc_channel Capture channel number.
*
* @return Captured value.
*/
__STATIC_INLINE uint32_t nrf_drv_timer_capture_get(
nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel);
/**
* @brief Function for setting the timer channel in compare mode.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] cc_channel Compare channel number.
* @param[in] cc_value Compare value.
* @param[in] enable_int Enable or disable the interrupt for the compare channel.
*/
void nrf_drv_timer_compare(nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel,
uint32_t cc_value,
bool enable_int);
/**
* @brief Function for setting the timer channel in extended compare mode.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] cc_channel Compare channel number.
* @param[in] cc_value Compare value.
* @param[in] timer_short_mask Shortcut between the compare event on the channel
* and the timer task (STOP or CLEAR).
* @param[in] enable_int Enable or disable the interrupt for the compare
* channel.
*/
void nrf_drv_timer_extended_compare(nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel,
uint32_t cc_value,
nrf_timer_short_mask_t timer_short_mask,
bool enable_int);
/**
* @brief Function for converting time in microseconds to timer ticks.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] time_us Time in microseconds.
*
* @return Number of ticks.
*/
__STATIC_INLINE uint32_t nrf_drv_timer_us_to_ticks(
nrf_drv_timer_t const * const p_instance,
uint32_t time_us);
/**
* @brief Function for converting time in milliseconds to timer ticks.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] time_ms Time in milliseconds.
*
* @return Number of ticks.
*/
__STATIC_INLINE uint32_t nrf_drv_timer_ms_to_ticks(
nrf_drv_timer_t const * const p_instance,
uint32_t time_ms);
/**
* @brief Function for enabling timer compare interrupt.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] channel Compare channel.
*/
void nrf_drv_timer_compare_int_enable(nrf_drv_timer_t const * const p_instance,
uint32_t channel);
/**
* @brief Function for disabling timer compare interrupt.
*
* @param[in] p_instance Pointer to the driver instance structure.
* @param[in] channel Compare channel.
*/
void nrf_drv_timer_compare_int_disable(nrf_drv_timer_t const * const p_instance,
uint32_t channel);
#ifndef SUPPRESS_INLINE_IMPLEMENTATION
__STATIC_INLINE uint32_t nrf_drv_timer_task_address_get(
nrf_drv_timer_t const * const p_instance,
nrf_timer_task_t timer_task)
{
return (uint32_t)nrf_timer_task_address_get(p_instance->p_reg, timer_task);
}
__STATIC_INLINE uint32_t nrf_drv_timer_capture_task_address_get(
nrf_drv_timer_t const * const p_instance,
uint32_t channel)
{
ASSERT(channel < p_instance->cc_channel_count);
return (uint32_t)nrf_timer_task_address_get(p_instance->p_reg,
nrf_timer_capture_task_get(channel));
}
__STATIC_INLINE uint32_t nrf_drv_timer_event_address_get(
nrf_drv_timer_t const * const p_instance,
nrf_timer_event_t timer_event)
{
return (uint32_t)nrf_timer_event_address_get(p_instance->p_reg, timer_event);
}
__STATIC_INLINE uint32_t nrf_drv_timer_compare_event_address_get(
nrf_drv_timer_t const * const p_instance,
uint32_t channel)
{
ASSERT(channel < p_instance->cc_channel_count);
return (uint32_t)nrf_timer_event_address_get(p_instance->p_reg,
nrf_timer_compare_event_get(channel));
}
__STATIC_INLINE uint32_t nrf_drv_timer_capture_get(
nrf_drv_timer_t const * const p_instance,
nrf_timer_cc_channel_t cc_channel)
{
return nrf_timer_cc_read(p_instance->p_reg, cc_channel);
}
__STATIC_INLINE uint32_t nrf_drv_timer_us_to_ticks(
nrf_drv_timer_t const * const p_instance,
uint32_t timer_us)
{
return nrf_timer_us_to_ticks(timer_us,
nrf_timer_frequency_get(p_instance->p_reg));
}
__STATIC_INLINE uint32_t nrf_drv_timer_ms_to_ticks(
nrf_drv_timer_t const * const p_instance,
uint32_t timer_ms)
{
return nrf_timer_ms_to_ticks(timer_ms,
nrf_timer_frequency_get(p_instance->p_reg));
}
#endif // SUPPRESS_INLINE_IMPLEMENTATION
#ifdef __cplusplus
}
#endif
#endif // NRF_DRV_TIMER_H__
/** @} */