uC/OS - III 移植 IAR平台
关于移植uC/OS-III 网上已经有很多教程了此处只是做个记录
首先下载源码然后解压得到下面的文件：
然后在模版工程里新建各种文件夹：
最后全部都添加进工程：
OK了，编译一下，惊呆了，竟然 0错误 0 警告
然后修改下文件 startup_stm32f40xx.s
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
;DCD PendSV_Handler ; PendSV Handler
;DCD SysTick_Handler ; SysTick Handler
IMPORT OS_CPU_PendSVHandler
DCD OS_CPU_PendSVHandler
IMPORT OS_CPU_SysTickHandler
DCD OS_CPU_SysTickHandler
OS_CFG.H
#ifndef OS_CFG_H
#define OS_CFG_H
/* ---------------------------- MISCELLANEOUS -------------------------- */
#define OS_CFG_APP_HOOKS_EN 1u /* Enable (1) or Disable (0) application specific hooks */
#define OS_CFG_ARG_CHK_EN 1u /* Enable (1) or Disable (0) argument checking */
#define OS_CFG_CALLED_FROM_ISR_CHK_EN 1u /* Enable (1) or Disable (0) check for called from ISR */
#define OS_CFG_DBG_EN 1u /* Enable (1) debug code/variables */
#define OS_CFG_ISR_POST_DEFERRED_EN 0u /* Enable (1) or Disable (0) Deferred ISR posts */
#define OS_CFG_OBJ_TYPE_CHK_EN 1u /* Enable (1) or Disable (0) object type checking */
#define OS_CFG_TS_EN 0u /* Enable (1) or Disable (0) time stamping */
#define OS_CFG_PEND_MULTI_EN 0u /* Enable (1) or Disable (0) code generation for multi-pend feature */
#define OS_CFG_PRIO_MAX 64u /* Defines the maximum number of task priorities (see OS_PRIO data type) */
#define OS_CFG_SCHED_LOCK_TIME_MEAS_EN 0u /* Include code to measure scheduler lock time */
#define OS_CFG_SCHED_ROUND_ROBIN_EN 0u /* Include code for Round-Robin scheduling */
#define OS_CFG_STK_SIZE_MIN 64u /* Minimum allowable task stack size */
/* ----------------------------- EVENT FLAGS --------------------------- */
#define OS_CFG_FLAG_EN 1u /* Enable (1) or Disable (0) code generation for EVENT FLAGS */
#define OS_CFG_FLAG_DEL_EN 1u /* Include code for OSFlagDel() */
#define OS_CFG_FLAG_MODE_CLR_EN 1u /* Include code for Wait on Clear EVENT FLAGS */
#define OS_CFG_FLAG_PEND_ABORT_EN 1u /* Include code for OSFlagPendAbort() */
/* -------------------------- MEMORY MANAGEMENT ------------------------ */
#define OS_CFG_MEM_EN 1u /* Enable (1) or Disable (0) code generation for MEMORY MANAGER */
/* --------------------- MUTUAL EXCLUSION SEMAPHORES ------------------- */
#define OS_CFG_MUTEX_EN 1u /* Enable (1) or Disable (0) code generation for MUTEX */
#define OS_CFG_MUTEX_DEL_EN 1u /* Include code for OSMutexDel() */
#define OS_CFG_MUTEX_PEND_ABORT_EN 1u /* Include code for OSMutexPendAbort() */
/* --------------------------- MESSAGE QUEUES -------------------------- */
#define OS_CFG_Q_EN 1u /* Enable (1) or Disable (0) code generation for QUEUES */
#define OS_CFG_Q_DEL_EN 1u /* Include code for OSQDel() */
#define OS_CFG_Q_FLUSH_EN 1u /* Include code for OSQFlush() */
#define OS_CFG_Q_PEND_ABORT_EN 1u /* Include code for OSQPendAbort() */
/* ----------------------------- SEMAPHORES ---------------------------- */
#define OS_CFG_SEM_EN 1u /* Enable (1) or Disable (0) code generation for SEMAPHORES */
#define OS_CFG_SEM_DEL_EN 1u /* Include code for OSSemDel() */
#define OS_CFG_SEM_PEND_ABORT_EN 1u /* Include code for OSSemPendAbort() */
#define OS_CFG_SEM_SET_EN 1u /* Include code for OSSemSet() */
/* -------------------------- TASK MANAGEMENT -------------------------- */
#define OS_CFG_STAT_TASK_EN 1u /* Enable (1) or Disable(0) the statistics task */
#define OS_CFG_STAT_TASK_STK_CHK_EN 1u /* Check task stacks from statistic task */
#define OS_CFG_TASK_CHANGE_PRIO_EN 1u /* Include code for OSTaskChangePrio() */
#define OS_CFG_TASK_DEL_EN 1u /* Include code for OSTaskDel() */
#define OS_CFG_TASK_Q_EN 1u /* Include code for OSTaskQXXXX() */
#define OS_CFG_TASK_Q_PEND_ABORT_EN 1u /* Include code for OSTaskQPendAbort() */
#define OS_CFG_TASK_PROFILE_EN 1u /* Include variables in OS_TCB for profiling */
#define OS_CFG_TASK_REG_TBL_SIZE 1u /* Number of task specific registers */
#define OS_CFG_TASK_SEM_PEND_ABORT_EN 1u /* Include code for OSTaskSemPendAbort() */
#define OS_CFG_TASK_SUSPEND_EN 1u /* Include code for OSTaskSuspend() and OSTaskResume() */
/* -------------------------- TIME MANAGEMENT -------------------------- */
#define OS_CFG_TIME_DLY_HMSM_EN 1u /* Include code for OSTimeDlyHMSM() */
#define OS_CFG_TIME_DLY_RESUME_EN 1u /* Include code for OSTimeDlyResume() */
/* ------------------- TASK LOCAL STORAGE MANAGEMENT ------------------- */
#define OS_CFG_TLS_TBL_SIZE 0u /* Include code for Task Local Storage (TLS) registers */
/* ------------------------- TIMER MANAGEMENT -------------------------- */
#define OS_CFG_TMR_EN 1u /* Enable (1) or Disable (0) code generation for TIMERS */
#define OS_CFG_TMR_DEL_EN 1u /* Enable (1) or Disable (0) code generation for OSTmrDel() */
#endif
OS_CPU_A.ASM
删除浮点功能先关函数
;删除FPU代码段 删除开始
;#ifdef __ARMVFP__
; PUBLIC OS_CPU_FP_Reg_Push
; PUBLIC OS_CPU_FP_Reg_Pop
;#endif
;********************************************************************************************************
; FLOATING POINT REGISTERS PUSH
; void OS_CPU_FP_Reg_Push (CPU_STK *stkPtr)
;
; Note(s) : 1) This function saves S0-S31, and FPSCR registers of the Floating Point Unit.
;
; 2) Pseudo-code is:
; a) Get FPSCR register value;
; b) Push value on process stack;
; c) Push remaining regs S0-S31 on process stack;
; d) Update OSTCBCurPtr->StkPtr;
;********************************************************************************************************
;#ifdef __ARMVFP__
;OS_CPU_FP_Reg_Push
; MRS R1, PSP ; PSP is process stack pointer
; CBZ R1, OS_CPU_FP_nosave ; Skip FP register save the first time
; VMRS R1, FPSCR
; STR R1, [R0, #-4]!
; VSTMDB R0!, {S0-S31}
; LDR R1, =OSTCBCurPtr
; LDR R2, [R1]
; STR R0, [R2]
;OS_CPU_FP_nosave
; BX LR
;#endif
;********************************************************************************************************
; FLOATING POINT REGISTERS POP
; void OS_CPU_FP_Reg_Pop (CPU_STK *stkPtr)
;
; Note(s) : 1) This function restores S0-S31, and FPSCR registers of the Floating Point Unit.
;
; 2) Pseudo-code is:
; a) Restore regs S0-S31 of new process stack;
; b) Restore FPSCR reg value
; c) Update OSTCBHighRdyPtr->StkPtr pointer of new proces stack;
;********************************************************************************************************
;#ifdef __ARMVFP__
;OS_CPU_FP_Reg_Pop
; VLDMIA R0!, {S0-S31}
; LDMIA R0!, {R1}
; VMSR FPSCR, R1
; LDR R1, =OSTCBHighRdyPtr
; LDR R2, [R1]
; STR R0, [R2]
; BX LR
;#endif
; 删除结束
注意这里没有使能时间戳功能，如果使能还要添加一些函数。
接下来建立任务并测试下功能