?? os_cpu.h
字號:
/*********************************************************************************************************
** Small RTOS
** The Real-Time Kernel For AVR-GCC
**
** (c) Copyright 2004-2005, xubaotian
** All Rights Reserved
**
** V1.10
**
**
**--------------文件信息--------------------------------------------------------------------------------
**文 件 名: OS_CPU.h
**創 建 人: 徐寶田
**最后修改日期: 2005年6月9日
**描 述: Small RTOS 與CPU(既ATmega系列)相關的C語言頭文件,定義一些與CPU相關的宏。
**
**--------------歷史版本信息----------------------------------------------------------------------------
** 創建人: 徐寶田
** 版 本: V0.50
** 日 期: 2005年5月22日
** 描 述: 原始版本
**
**--------------當前版本修訂------------------------------------------------------------------------------
** 修改人:
** 日 期:
** 描 述:
**
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
typedef unsigned char uint8; /* 定義可移植的無符號8位整數關鍵字 */
typedef signed char int8; /* 定義可移植的有符號8位整數關鍵字 */
typedef unsigned int uint16; /* 定義可移植的無符號16位整數關鍵字 */
typedef signed int int16; /* 定義可移植的有符號16位整數關鍵字 */
typedef unsigned long uint32; /* 定義可移植的無符號32位整數關鍵字 */
typedef signed long int32; /* 定義可移植的有符號32位整數關鍵字 */
#ifndef NULL
#define NULL 0
#endif
#if EN_OS_INT_ENTER >0
#define OS_INT_ENTER() OSIntNesting++,EA=1
#endif
#define OS_ENTER_CRITICAL() cli();Os_Enter_Sum++ /* 禁止中斷 */
#define OS_EXIT_CRITICAL() if(--Os_Enter_Sum==0) sei() /* 允許中斷 */
#define HIGH_BYTE 0 /* uint16的高位字節 */
#define LOW_BYTE 1 /* uint16的低位字節 */
#define OS_TASK_SW() OSCtxSw()
/* 任務切換函數 */
#ifndef _OS_CPU_A_C
extern void OSCtxSw(void);
extern void OSIntCtxSw(void);
#endif
#define ExtraPush() \
{ \
__asm__ __volatile__( \
"PUSH R2" "\n\t" \
"PUSH R3" "\n\t" \
"PUSH R4" "\n\t" \
"PUSH R5" "\n\t" \
"PUSH R6" "\n\t" \
"PUSH R7" "\n\t" \
"PUSH R8" "\n\t" \
"PUSH R9" "\n\t" \
"PUSH R10" "\n\t" \
"PUSH R11" "\n\t" \
"PUSH R12" "\n\t" \
"PUSH R13" "\n\t" \
"PUSH R14" "\n\t" \
"PUSH R15" "\n\t" \
"PUSH R16" "\n\t" \
"PUSH R17" "\n\t" \
"PUSH R28" "\n\t" \
"PUSH R29" "\n\t" \
); \
}
#define POPALL() \
{ \
__asm__ __volatile__( \
"POP R29" "\n\t" \
"POP R28" "\n\t" \
"POP R17" "\n\t" \
"POP R16" "\n\t" \
"POP R15" "\n\t" \
"POP R14" "\n\t" \
"POP R13" "\n\t" \
"POP R12" "\n\t" \
"POP R11" "\n\t" \
"POP R10" "\n\t" \
"POP R9" "\n\t" \
"POP R8" "\n\t" \
"POP R7" "\n\t" \
"POP R6" "\n\t" \
"POP R5" "\n\t" \
"POP R4" "\n\t" \
"POP R3" "\n\t" \
"POP R2" "\n\t" \
"POP R31" "\n\t" \
"POP R30" "\n\t" \
"POP R27" "\n\t" \
"POP R26" "\n\t" \
"POP R25" "\n\t" \
"POP R24" "\n\t" \
"POP R23" "\n\t" \
"POP R22" "\n\t" \
"POP R21" "\n\t" \
"POP R20" "\n\t" \
"POP R19" "\n\t" \
"POP R18" "\n\t" \
"POP R0" "\n\t" \
"OUT 0x3F,R0" "\n\t" \
"POP R0" "\n\t" \
"POP R1" "\n\t" \
); \
}
#define PUSHALL() \
{ \
__asm__ __volatile__( \
"PUSH R1" "\n\t" \
"PUSH R0" "\n\t" \
"IN R0,0x3F" "\n\t" \
"PUSH R0" "\n\t" \
"PUSH R18" "\n\t" \
"PUSH R19" "\n\t" \
"PUSH R20" "\n\t" \
"PUSH R21" "\n\t" \
"PUSH R22" "\n\t" \
"PUSH R23" "\n\t" \
"PUSH R24" "\n\t" \
"PUSH R25" "\n\t" \
"PUSH R26" "\n\t" \
"PUSH R27" "\n\t" \
"PUSH R30" "\n\t" \
"PUSH R31" "\n\t" \
"PUSH R2" "\n\t" \
"PUSH R3" "\n\t" \
"PUSH R4" "\n\t" \
"PUSH R5" "\n\t" \
"PUSH R6" "\n\t" \
"PUSH R7" "\n\t" \
"PUSH R8" "\n\t" \
"PUSH R9" "\n\t" \
"PUSH R10" "\n\t" \
"PUSH R11" "\n\t" \
"PUSH R12" "\n\t" \
"PUSH R13" "\n\t" \
"PUSH R14" "\n\t" \
"PUSH R15" "\n\t" \
"PUSH R16" "\n\t" \
"PUSH R17" "\n\t" \
"PUSH R28" "\n\t" \
"PUSH R29" "\n\t" \
); \
}
#define _nop_() \
{ \
__asm__ __volatile__( \
"NOP" "\n\t" \
"NOP" "\n\t" \
"NOP" "\n\t" \
"NOP" "\n\t" \
); \
}
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