blob: 6f88aa75a07f769b4acb61d73ae57ab960cb9709 [file] [log] [blame]
/*
* Copyright (c) 2016-2018 Nordic Semiconductor ASA
* Copyright (c) 2016 Vinayak Kariappa Chettimada
*
* SPDX-License-Identifier: Apache-2.0
*/
/** \defgroup Timer API return codes.
*
* @{
*/
#define TICKER_STATUS_SUCCESS 0 /**< Success. */
#define TICKER_STATUS_FAILURE 1 /**< Failure. */
#define TICKER_STATUS_BUSY 2 /**< Busy, requested feature will
* complete later in time as job is
* disabled or at lower execution
* priority than the caller.
*/
/**
* @}
*/
/** \defgroup Timer API common defaults parameter values.
*
* @{
*/
#define TICKER_NULL ((uint8_t)((uint8_t)0 - 1))
#define TICKER_NULL_REMAINDER 0
#define TICKER_NULL_PERIOD 0
#define TICKER_NULL_SLOT 0
#define TICKER_NULL_LAZY 0
#define TICKER_NULL_MUST_EXPIRE 0
/**
* @}
*/
/** \brief Timer node type size.
*/
#if defined(CONFIG_BT_TICKER_LOW_LAT)
#define TICKER_NODE_T_SIZE 40
#else
#if defined(CONFIG_BT_TICKER_EXT)
#define TICKER_NODE_T_SIZE 48
#else
#if defined(CONFIG_BT_TICKER_SLOT_AGNOSTIC)
#define TICKER_NODE_T_SIZE 36
#else
#define TICKER_NODE_T_SIZE 44
#endif /* CONFIG_BT_TICKER_SLOT_AGNOSTIC */
#endif /* CONFIG_BT_TICKER_EXT */
#endif /* CONFIG_BT_TICKER_LOW_LAT */
/** \brief Timer user type size.
*/
#define TICKER_USER_T_SIZE 8
/** \brief Timer user operation type size.
*/
#if defined(CONFIG_BT_TICKER_EXT)
#define TICKER_USER_OP_T_SIZE 52
#else
#if defined(CONFIG_BT_TICKER_SLOT_AGNOSTIC)
#define TICKER_USER_OP_T_SIZE 44
#else
#define TICKER_USER_OP_T_SIZE 48
#endif /* CONFIG_BT_TICKER_SLOT_AGNOSTIC */
#endif /* CONFIG_BT_TICKER_EXT */
#define TICKER_CALL_ID_NONE 0
#define TICKER_CALL_ID_ISR 1
#define TICKER_CALL_ID_TRIGGER 2
#define TICKER_CALL_ID_WORKER 3
#define TICKER_CALL_ID_JOB 4
#define TICKER_CALL_ID_PROGRAM 5
/* Use to ensure callback is invoked in all intervals, even when latencies
* occur.
*/
#define TICKER_LAZY_MUST_EXPIRE 0xFFFF
/* Use in ticker_start to set lazy to 0 and do not change the must_expire
* state.
*/
#define TICKER_LAZY_MUST_EXPIRE_KEEP 0xFFFE
/* Set this priority to ensure ticker node is always scheduled. Only one
* ticker node can have priority TICKER_PRIORITY_CRITICAL at a time
*/
#define TICKER_PRIORITY_CRITICAL -128
typedef uint8_t (*ticker_caller_id_get_cb_t)(uint8_t user_id);
typedef void (*ticker_sched_cb_t)(uint8_t caller_id, uint8_t callee_id,
uint8_t chain, void *instance);
typedef void (*ticker_trigger_set_cb_t)(uint32_t value);
/** \brief Timer timeout function type.
*/
typedef void (*ticker_timeout_func) (uint32_t ticks_at_expire,
uint32_t ticks_drift, uint32_t remainder,
uint16_t lazy, uint8_t force,
void *context);
/** \brief Timer operation complete function type.
*/
typedef void (*ticker_op_func) (uint32_t status, void *op_context);
/** \brief Timer operation match callback function type.
*/
typedef bool (*ticker_op_match_func) (uint8_t ticker_id, uint32_t ticks_slot,
uint32_t ticks_to_expire,
void *op_context);
/** \brief Timer module initialization.
*
* \param[in] instance_index Timer mode instance 0 or 1 (uses RTC0 CMP0 or
* CMP1 respectively).
* \param[in] count_node Max. no. of ticker nodes to initialize.
* \param[in] node
* \param[in] count_user
* \param[in] user
* \param[in] count_op
* \param[in] user_op
*/
uint32_t ticker_init(uint8_t instance_index, uint8_t count_node, void *node,
uint8_t count_user, void *user, uint8_t count_op,
void *user_op, ticker_caller_id_get_cb_t caller_id_get_cb,
ticker_sched_cb_t sched_cb,
ticker_trigger_set_cb_t trigger_set_cb);
bool ticker_is_initialized(uint8_t instance_index);
void ticker_trigger(uint8_t instance_index);
void ticker_worker(void *param);
void ticker_job(void *param);
uint32_t ticker_start(uint8_t instance_index, uint8_t user_id,
uint8_t ticker_id, uint32_t ticks_anchor,
uint32_t ticks_first, uint32_t ticks_periodic,
uint32_t remainder_periodic, uint16_t lazy,
uint32_t ticks_slot, ticker_timeout_func fp_timeout_func,
void *context, ticker_op_func fp_op_func,
void *op_context);
uint32_t ticker_update(uint8_t instance_index, uint8_t user_id,
uint8_t ticker_id, uint32_t ticks_drift_plus,
uint32_t ticks_drift_minus, uint32_t ticks_slot_plus,
uint32_t ticks_slot_minus, uint16_t lazy, uint8_t force,
ticker_op_func fp_op_func, void *op_context);
uint32_t ticker_yield_abs(uint8_t instance_index, uint8_t user_id,
uint8_t ticker_id, uint32_t ticks_at_yield,
ticker_op_func fp_op_func, void *op_context);
uint32_t ticker_stop(uint8_t instance_index, uint8_t user_id, uint8_t ticker_id,
ticker_op_func fp_op_func, void *op_context);
uint32_t ticker_stop_abs(uint8_t instance_index, uint8_t user_id,
uint8_t ticker_id, uint32_t ticks_at_stop,
ticker_op_func fp_op_func, void *op_context);
uint32_t ticker_next_slot_get(uint8_t instance_index, uint8_t user_id,
uint8_t *ticker_id, uint32_t *ticks_current,
uint32_t *ticks_to_expire,
ticker_op_func fp_op_func, void *op_context);
uint32_t ticker_next_slot_get_ext(uint8_t instance_index, uint8_t user_id,
uint8_t *ticker_id, uint32_t *ticks_current,
uint32_t *ticks_to_expire,
uint32_t *remainder, uint16_t *lazy,
ticker_op_match_func fp_op_match_func,
void *match_op_context,
ticker_op_func fp_op_func, void *op_context);
uint32_t ticker_job_idle_get(uint8_t instance_index, uint8_t user_id,
ticker_op_func fp_op_func, void *op_context);
void ticker_job_sched(uint8_t instance_index, uint8_t user_id);
uint32_t ticker_ticks_now_get(void);
uint32_t ticker_ticks_diff_get(uint32_t ticks_now, uint32_t ticks_old);
#if !defined(CONFIG_BT_TICKER_LOW_LAT) && \
!defined(CONFIG_BT_TICKER_SLOT_AGNOSTIC)
uint32_t ticker_priority_set(uint8_t instance_index, uint8_t user_id,
uint8_t ticker_id, int8_t priority,
ticker_op_func fp_op_func, void *op_context);
#if defined(CONFIG_BT_TICKER_EXT)
struct ticker_ext {
uint32_t ticks_slot_window;/* Window in which the slot
* reservation may be re-scheduled
* to avoid collision
*/
uint32_t ticks_drift; /* Actual drift since last expiry */
uint8_t reschedule_state; /* State of re-scheduling of the
* node. See defines
* TICKER_RESCHEDULE_STATE_XXX
*/
};
uint32_t ticker_start_ext(uint8_t instance_index, uint8_t user_id,
uint8_t ticker_id, uint32_t ticks_anchor,
uint32_t ticks_first, uint32_t ticks_periodic,
uint32_t remainder_periodic, uint16_t lazy,
uint32_t ticks_slot,
ticker_timeout_func fp_timeout_func, void *context,
ticker_op_func fp_op_func, void *op_context,
struct ticker_ext *ext_data);
uint32_t ticker_update_ext(uint8_t instance_index, uint8_t user_id,
uint8_t ticker_id, uint32_t ticks_drift_plus,
uint32_t ticks_drift_minus,
uint32_t ticks_slot_plus, uint32_t ticks_slot_minus,
uint16_t lazy, uint8_t force,
ticker_op_func fp_op_func, void *op_context,
uint8_t must_expire);
#endif /* CONFIG_BT_TICKER_EXT */
#endif /* !CONFIG_BT_TICKER_LOW_LAT &&
* !CONFIG_BT_TICKER_SLOT_AGNOSTIC
*/