platform.h

来自「VIA VT6524 8口网管交换机源码」· C头文件 代码 · 共 107 行

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This software is copyrighted by and is the sole property of
 * VIA Networking Technologies, Inc. This software may only be used
 * in accordance with the corresponding license agreement. Any unauthorized
 * use, duplication, transmission, distribution, or disclosure of this
 * software is expressly forbidden.
 *
 * This software is provided by VIA Networking Technologies, Inc. "as is"
 * and any express or implied warranties, including, but not limited to, the
 * implied warranties of merchantability and fitness for a particular purpose
 * are disclaimed. In no event shall VIA Networking Technologies, Inc.
 * be liable for any direct, indirect, incidental, special, exemplary, or
 * consequential damages.
 *
 *
 * File:    platform.h
 *
 * Purpose: Functions of platform to support tasks/timers/ISRs
 *
 * Author:  Tevin Chen
 *
 * Date:    Jan 08, 2002
 *
 */


#ifndef __PLATFORM_H__
#define __PLATFORM_H__

#include <reg51.h>

#if !defined(__TTYPE_H__)
#include "ttype.h"
#endif




/*---------------------  Export Definitions  ------------------------*/
sbit CPU51_PORT_1_6 = P1^6;             // mac reset
sbit CPU51_PORT_1_7 = P1^7;             // phy reset

#define TICK_PER_SEC            (32)
#define TICK_PER_MIN            ((UINT16)(TICK_PER_SEC * 60))

/*---------------------  Export Types  ------------------------------*/
typedef void (* PFN_CALLBACK)(void) DIRECT_FUNTYPE_REENT;

/*---------------------  Export Macros  -----------------------------*/
// CPU functions

// store CPU interrupt enabling status, then disable it
#define PLATvCpuEnterCritical()     do { g_fCpuIntShadow = EA; EA = 0; } while (0)
// restore CPU interrupt status
#define PLATvCpuExitCritical()      do { if (g_fCpuIntShadow == 1) EA = 1; } while (0)

#define PLATvCpuIntEnable()         EA = 1
#define PLATvCpuIntDisable()        EA = 0
#define PLATvCpuIrqMskInit()        IE = 0x92   // Enable all CPU intr, enable UART intr, enable timer 0 intr
#define PLATvCpuIrqMskClear()       IE = 0

// Timer0 functions
#define PLATvTimer0Init()           do { TL0 = 0xB0; TH0 = 0x01; } while (0)
#define PLATvTimer0Start()          TR0 = 1
#define PLATvTimer0Stop()           TR0 = 0

#define PLATvSetMacResetPin(val)    CPU51_PORT_1_6 = (val)
#define PLATvSetPhyResetPin(val)    CPU51_PORT_1_7 = (val)

/*---------------------  Export Classes  ----------------------------*/

/*---------------------  Export Variables  --------------------------*/
extern bit  g_fCpuIntShadow;

#ifdef __MODULE_WEB_SMART
extern DIRECT_MEMTYPE_DATA UINT16   g_wWebAutoLogoutTime;
extern DIRECT_MEMTYPE_DATA UINT16   g_wWebAutoLogoutCntr;
#endif
extern DIRECT_MEMTYPE_DATA UINT16   g_wAutoLogoutTime;
extern DIRECT_MEMTYPE_DATA UINT16   g_wAutoLogoutCntr;
extern DIRECT_MEMTYPE_DATA BYTE     g_byTimer;

#ifdef __MODULE_WEB_SMART
extern PFN_CALLBACK g_pfnIdleTaskFunc[3];
#else
extern PFN_CALLBACK g_pfnIdleTaskFunc[1];
#endif

/*---------------------  Export Functions  --------------------------*/
// UART functions
void PLATvUartInit(void) DIRECT_FUNTYPE_REENT;
BYTE PLATbyUartGetKeyMultiTask(void) DIRECT_FUNTYPE_REENT;

void PLATvDelay(UINT16 wDelay) DIRECT_FUNTYPE_REENT;

void PLATvCpuInit(void) DIRECT_FUNTYPE_REENT;
void PLATvCpuReset(void) DIRECT_FUNTYPE_REENT;




#endif /* __PLATFORM_H__ */