69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
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/**
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* @file os_common.h
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* @author LokLiang (lokliang@163.com)
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* @brief
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* @version 0.1
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* @date 2023-05-01
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*
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* @copyright Copyright (c) 2023
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*
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*/
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#ifndef __OS_COMMON_H__
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#define __OS_COMMON_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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OS_PRIORITY_IDLE = 0,
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OS_PRIORITY_LOWEST = 1,
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OS_PRIORITY_LOWER = 2,
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OS_PRIORITY_LOW = 3,
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OS_PRIORITY_NORMAL = 4,
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OS_PRIORITY_HIGH = 5,
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OS_PRIORITY_HIGHER = 6,
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OS_PRIORITY_HIGHEST = 7
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} os_priority;
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typedef enum {
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OS_OK = 0, /* success */
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OS_FAIL = -1, /* general failure */
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OS_E_NOMEM = -2, /* out of memory */
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OS_E_PARAM = -3, /* invalid parameter */
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OS_E_TIMEOUT = -4, /* operation timeout */
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OS_E_ISR = -5, /* not allowed in ISR context */
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} os_state;
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typedef void * os_handle_t;
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typedef size_t os_time_t;
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#define OS_INVALID_HANDLE NULL /* OS invalid handle */
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#define OS_WAIT_FOREVER 0xffffffffU /* Wait forever timeout value */
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#define OS_SEMAPHORE_MAX_COUNT 0xffffffffU /* Maximum count value for semaphore */
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#define OS_MSEC_PER_SEC 1000U /* milliseconds per second */
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#define OS_USEC_PER_MSEC 1000U /* microseconds per millisecond */
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#define OS_USEC_PER_SEC 1000000U /* microseconds per second */
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#define OS_TICK (OS_USEC_PER_SEC / OS_TICK_RATE) /* microseconds per tick */
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#define OS_SecsToTicks(sec) ((os_time_t)(sec) * OS_TICK_RATE)
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#define OS_MSecsToTicks(msec) ((os_time_t)(OS_TICK_RATE < OS_MSEC_PER_SEC ? (msec) / (OS_TICK / OS_USEC_PER_MSEC) : (msec) * (OS_USEC_PER_MSEC / OS_TICK)))
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#define OS_TicksToMSecs(t) ((os_time_t)(OS_TICK_RATE < OS_MSEC_PER_SEC ? (t) * (OS_TICK / OS_USEC_PER_MSEC) : (t) / (OS_USEC_PER_MSEC / OS_TICK)))
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#define OS_TicksToSecs(t) ((os_time_t)(t) / (OS_USEC_PER_SEC / OS_TICK))
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#define OS_CONTAINER_OF(PTR, TYPE, MEMBER) ((TYPE *)&((uint8_t *)PTR)[-(int)&((TYPE *)0)->MEMBER])
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#ifdef __cplusplus
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}
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#endif
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#endif /* __OS_COMMON_H__ */
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