163 lines
5.4 KiB
C
163 lines
5.4 KiB
C
/*
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* Copyright (c) 2016-2018 Nordic Semiconductor ASA
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* Copyright (c) 2016 Vinayak Kariappa Chettimada
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/** \defgroup Timer API return codes.
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*
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* @{
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*/
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#define TICKER_STATUS_SUCCESS 0 /**< Success. */
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#define TICKER_STATUS_FAILURE 1 /**< Failure. */
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#define TICKER_STATUS_BUSY 2 /**< Busy, requested feature will
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* complete later in time as job is
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* disabled or at lower execution
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* priority than the caller.
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*/
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/**
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* @}
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*/
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/** \defgroup Timer API common defaults parameter values.
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*
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* @{
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*/
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#define TICKER_NULL ((u8_t)((u8_t)0 - 1))
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#define TICKER_NULL_REMAINDER 0
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#define TICKER_NULL_PERIOD 0
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#define TICKER_NULL_SLOT 0
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#define TICKER_NULL_LAZY 0
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#define TICKER_NULL_MUST_EXPIRE 0
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/**
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* @}
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*/
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/** \brief Timer node type size.
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*/
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#if defined(CONFIG_BT_TICKER_COMPATIBILITY_MODE)
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#define TICKER_NODE_T_SIZE 40
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#else
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#if defined(CONFIG_BT_TICKER_EXT)
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#define TICKER_NODE_T_SIZE 48
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#else
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#define TICKER_NODE_T_SIZE 44
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#endif /* CONFIG_BT_TICKER_EXT */
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#endif /* CONFIG_BT_TICKER_COMPATIBILITY_MODE*/
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/** \brief Timer user type size.
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*/
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#define TICKER_USER_T_SIZE 8
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/** \brief Timer user operation type size.
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*/
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#if defined(CONFIG_BT_TICKER_EXT)
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#define TICKER_USER_OP_T_SIZE 52
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#else
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#define TICKER_USER_OP_T_SIZE 48
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#endif /* CONFIG_BT_TICKER_EXT */
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#define TICKER_CALL_ID_NONE 0
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#define TICKER_CALL_ID_ISR 1
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#define TICKER_CALL_ID_TRIGGER 2
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#define TICKER_CALL_ID_WORKER 3
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#define TICKER_CALL_ID_JOB 4
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#define TICKER_CALL_ID_PROGRAM 5
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/* Use to ensure callback is invoked in all intervals, even when latencies
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* occur
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*/
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#define TICKER_LAZY_MUST_EXPIRE 0xFFFF
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/* Set this priority to ensure ticker node is always scheduled. Only one
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* ticker node can have priority TICKER_PRIORITY_CRITICAL at a time
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*/
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#define TICKER_PRIORITY_CRITICAL -128
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typedef u8_t (*ticker_caller_id_get_cb_t)(u8_t user_id);
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typedef void (*ticker_sched_cb_t)(u8_t caller_id, u8_t callee_id, u8_t chain,
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void *instance);
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typedef void (*ticker_trigger_set_cb_t)(u32_t value);
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/** \brief Timer timeout function type.
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*/
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typedef void (*ticker_timeout_func) (u32_t ticks_at_expire, u32_t remainder,
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u16_t lazy, void *context);
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/** \brief Timer operation complete function type.
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*/
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typedef void (*ticker_op_func) (u32_t status, void *op_context);
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#if defined(CONFIG_BT_TICKER_EXT)
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struct ticker_ext {
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u32_t ticks_slot_window; /* Window in which the slot
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* reservation may be re-scheduled
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* to avoid collision
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*/
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s32_t ticks_drift; /* Applied drift since last expiry */
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u8_t reschedule_state; /* State of re-scheduling of the
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* node. See defines
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* TICKER_RESCHEDULE_STATE_XXX
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*/
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};
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#endif /* CONFIG_BT_TICKER_EXT */
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/** \brief Timer module initialization.
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*
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* \param[in] instance_index Timer mode instance 0 or 1 (uses RTC0 CMP0 or
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* CMP1 respectively).
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* \param[in] count_node Max. no. of ticker nodes to initialize.
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* \param[in] node
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* \param[in] count_user
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* \param[in] user
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* \param[in] count_op
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* \param[in] user_op
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*/
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u32_t ticker_init(u8_t instance_index, u8_t count_node, void *node,
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u8_t count_user, void *user, u8_t count_op, void *user_op,
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ticker_caller_id_get_cb_t caller_id_get_cb,
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ticker_sched_cb_t sched_cb,
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ticker_trigger_set_cb_t trigger_set_cb);
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bool ticker_is_initialized(u8_t instance_index);
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void ticker_trigger(u8_t instance_index);
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void ticker_worker(void *param);
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void ticker_job(void *param);
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u32_t ticker_start(u8_t instance_index, u8_t user_id, u8_t ticker_id,
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u32_t ticks_anchor, u32_t ticks_first, u32_t ticks_periodic,
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u32_t remainder_periodic, u16_t lazy, u32_t ticks_slot,
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ticker_timeout_func fp_timeout_func, void *context,
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ticker_op_func fp_op_func, void *op_context);
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u32_t ticker_update(u8_t instance_index, u8_t user_id, u8_t ticker_id,
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u32_t ticks_drift_plus, u32_t ticks_drift_minus,
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u32_t ticks_slot_plus, u32_t ticks_slot_minus, u16_t lazy,
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u8_t force, ticker_op_func fp_op_func, void *op_context);
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u32_t ticker_stop(u8_t instance_index, u8_t user_id, u8_t ticker_id,
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ticker_op_func fp_op_func, void *op_context);
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u32_t ticker_stop_abs(u8_t instance_index, u8_t user_id, u8_t ticker_id,
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u32_t ticks_at_stop, ticker_op_func fp_op_func,
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void *op_context);
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u32_t ticker_next_slot_get(u8_t instance_index, u8_t user_id,
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u8_t *ticker_id_head, u32_t *ticks_current,
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u32_t *ticks_to_expire,
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ticker_op_func fp_op_func, void *op_context);
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u32_t ticker_job_idle_get(u8_t instance_index, u8_t user_id,
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ticker_op_func fp_op_func, void *op_context);
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void ticker_job_sched(u8_t instance_index, u8_t user_id);
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u32_t ticker_ticks_now_get(void);
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u32_t ticker_ticks_diff_get(u32_t ticks_now, u32_t ticks_old);
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#if !defined(CONFIG_BT_TICKER_COMPATIBILITY_MODE)
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u32_t ticker_priority_set(u8_t instance_index, u8_t user_id, u8_t ticker_id,
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s8_t priority, ticker_op_func fp_op_func,
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void *op_context);
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#if defined(CONFIG_BT_TICKER_EXT)
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u32_t ticker_start_ext(u8_t instance_index, u8_t user_id, u8_t ticker_id,
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u32_t ticks_anchor, u32_t ticks_first,
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u32_t ticks_periodic, u32_t remainder_periodic,
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u16_t lazy, u32_t ticks_slot,
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ticker_timeout_func fp_timeout_func, void *context,
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ticker_op_func fp_op_func, void *op_context,
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struct ticker_ext *ext_data);
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#endif /* CONFIG_BT_TICKER_EXT */
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#endif /* !CONFIG_BT_TICKER_COMPATIBILITY_MODE */
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