104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef _IOT_GPTMR_API_H_
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#define _IOT_GPTMR_API_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* indicate how many GP TIMER the chip support */
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#define TIMER_NUM 4
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typedef enum
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{
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GP_TIMER0 = 0,
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GP_TIMER1 = 1,
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GP_TIMER2 = 2,
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GP_TIMER3 = 3,
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GP_TIMER_COUNT
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}GP_TIMER_ID;
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/* brief timer_handler_t - function callback to handle,
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excuted in msg queue.
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* @param data: reserved data, used for customer.
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*/
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typedef void timer_handler_t(iot_addrword_t data);
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/* brief isr_handler_t - function callback to interrupt handle.
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* @param data: reserved data, used for customer.
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* @param retval: flag of next step. 1 mean that continue
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* running the timer handler. 0 mean that no
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* need to continue running the timer handler.
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*/
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typedef uint8_t isr_handler_t(iot_addrword_t data);
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/**
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* @brief iot_gp_timer_init() - initialize the gp timer module.
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*/
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void iot_gp_timer_init(void);
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/**
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* @brief iot_gp_timer_task_register() - registe the gp timer task to
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* share task event .
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*/
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void iot_gp_timer_task_register(void);
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/**
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* @brief iot_gp_timer_create() - create gptimer's ISR handle and normal handl.
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* @param cpu: indicate whitch cpu will the fw runs on
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* @param task_handle: normal task handle, excuted by msg queue.
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* @param isr_handle: task handle, whitch excuted in GP timer's ISR.
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* @param data: reserved data, used for customer.
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* @param retval: ID of gp timer
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*/
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uint8_t iot_gp_timer_create(uint8_t cpu, timer_handler_t *task_handle,
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isr_handler_t *isr_handle, iot_addrword_t data);
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/**
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* @brief iot_gp_timer_set() - config gp timer.
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* @param id: ID of gp timer
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* @param val: gp timer's period, unit: us.
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* @param repeat: indicate whether the timer should be reloaded.
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*/
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void iot_gp_timer_set(uint8_t id, uint32_t val, uint8_t repeat);
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/**
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* @brief iot_gp_timer_start() - start gp timer.
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* @param id: ID of gp timer
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*/
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void iot_gp_timer_start(uint8_t id);
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/**
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* @brief iot_gp_timer_start() - start gp timer.
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* @param id: ID of gp timer
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*/
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void iot_gp_timer_stop(uint8_t id);
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/**
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* @brief get gp timer current ts() - get gp timer's current ticks.
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* @retval: current ts, uint is 1us.
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*/
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uint32_t iot_gp_timer_get_curr_ts(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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