os_cpu.h

ucos2.85移植LPC2104的接口和原代码

#ifndef  OS_CPU_H
#define  OS_CPU_H

#ifdef   OS_CPU_GLOBALS
#define  OS_CPU_EXT
#else
#define  OS_CPU_EXT  extern
#endif

#define  OS_CPU_INT_DIS_MEAS_EN    0

typedef unsigned char  BOOLEAN;
typedef unsigned char  INT8U;                                      
typedef signed   char  INT8S;                                       
typedef unsigned short INT16U;                                   
typedef signed   short INT16S;                                      
typedef unsigned int   INT32U;                  
typedef signed   int   INT32S;                                      
typedef float          FP32;                                   
typedef double         FP64;                                   

typedef unsigned int   OS_STK;                                 
typedef unsigned int   OS_CPU_SR;               

#define  OS_CRITICAL_METHOD    3
#if      OS_CRITICAL_METHOD == 3
#if      OS_CPU_INT_DIS_MEAS_EN > 0
#define  OS_ENTER_CRITICAL()  {cpu_sr = OS_CPU_SR_Save();OS_CPU_IntDisMeasStart();}
#define  OS_EXIT_CRITICAL()   {OS_CPU_IntDisMeasStop(); OS_CPU_SR_Restore(cpu_sr);}
#else
#define  OS_ENTER_CRITICAL()  {cpu_sr = OS_CPU_SR_Save();}
#define  OS_EXIT_CRITICAL()   {OS_CPU_SR_Restore(cpu_sr);}
#endif
#endif

#define  OS_STK_GROWTH        1                   

#define  OS_TASK_SW()         OSCtxSw()

#if OS_CPU_INT_DIS_MEAS_EN > 0
OS_CPU_EXT  INT16U  OS_CPU_IntDisMeasNestingCtr;
OS_CPU_EXT  INT16U  OS_CPU_IntDisMeasCntsEnter;
OS_CPU_EXT  INT16U  OS_CPU_IntDisMeasCntsExit;
OS_CPU_EXT  INT16U  OS_CPU_IntDisMeasCntsMax;
OS_CPU_EXT  INT16U  OS_CPU_IntDisMeasCntsDelta;
OS_CPU_EXT  INT16U  OS_CPU_IntDisMeasCntsOvrhd;
#endif


#if OS_CRITICAL_METHOD == 3
OS_CPU_SR  OS_CPU_SR_Save(void);          
void       OS_CPU_SR_Restore(OS_CPU_SR cpu_sr);
#endif

void       OSCtxSw(void);
void       OSIntCtxSw(void);
void       OSStartHighRdy(void);
void       OS_CPU_IRQ_ISR(void);

#if OS_CPU_INT_DIS_MEAS_EN > 0
       void       OS_CPU_IntDisMeasInit(void);
       void       OS_CPU_IntDisMeasStart(void);
       void       OS_CPU_IntDisMeasStop(void);
       INT16U     OS_CPU_IntDisMeasTmrRd(void);
#endif

#endif