Page Comparison

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Files

os.h/os_flag.c

Prototype

OS_FLAGS  OSFlagPend (OS_FLAG_GRP  *p_grp,
                      OS_FLAGS      flags,
                      OS_TICK       timeout,
                      OS_OPT        opt,
                      CPU_TS       *p_ts,
                      OS_ERR       *p_err)

Arguments

p_grp

is a pointer to the event flag group.

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1. The event flag group must be created before it is used.

Example Usage

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Code Block
title OSFlagPend() example usage
#define ENGINE_OIL_PRES_OK 0x01 #define ENGINE_OIL_TEMP_OK 0x02 #define ENGINE_START 0x04 OS_FLAG_GRP EngineStatus; void Task (void *p_arg) { OS_ERR err; OS_FLAGS value; CPU_TS ts; (void)&p_arg; while (DEF_ON) { value = OSFlagPend(&EngineStatus, ENGINE_OIL_PRES_OK + ENGINE_OIL_TEMP_OK, OS_FLAG_WAIT_SET_ALL + OS_FLAG_CONSUME, 10, OS_OPT_PEND_BLOCKING, &ts, &err); /* Check "err" */ : : } }