51单片机各类源程序集锦
源代码在线查看： kernel.c
//***********************************************************************
// *
// P H I L I P S P R O P R I E T A R Y *
// *
// COPYRIGHT (c) 1999 BY PHILIPS SINGAPORE (APIC). *
// -- ALL RIGHTS RESERVED -- *
// *
// File Name : Kernel.c *
// Author : Albert Goh *
// Created : 3 March 2000 *
// *
//***********************************************************************
//***********************************************************************
// *
// Kernel.c is the control centre for this evaluation firmware. It will *
// control where should the firmware branch through via the selection *
// of the UART port of the 8051. if not via the UART, it will be from *
// the selection of the code defintion *
// *
//***********************************************************************
//***********************************************************************
// *
// Module History *
// ************** *
// *
// Date Version Author Changes *
// ==== ======= ====== ======= *
// 030300 0.1 Albert Created *
// *
// *
//***********************************************************************
//***********************************************************************
//* *
//* Include Files Definition *
//* *
//***********************************************************************
#include "standard.h"
#include "Kernel.h"
#include "D14.h"
#include "zlg7290.h"
#include "VIIC_C51.h"
#define uchar unsigned char
//***********************************************************************
//* *
//* External routine Definition *
//* *
//***********************************************************************
extern Init_Main();
extern USB_Debug_Mode();
extern DMA_Debug_Mode();
extern USB_INT_FLAG USB_Int_Flag;
extern DMA_INT_FLAG DMA_Int_Flag;
extern USB_DEVICE USB_Device;
extern D14_CNTRL_REG volatile xdata D14_Cntrl_Reg;
extern void Check_Busy(void);
extern void Init_D14(void);
extern void Init_Endpoint(void);
extern void Init_Device(void);
extern void Get_PIDVID(void);
//extern unsigned int read_endpoint(unsigned char endp,unsigned int len,unsigned char *buf);
//extern unsigned int write_endpoint(unsigned char endp,unsigned int len,unsigned char *buf);
extern UC VID[2],PID[2];
extern UC idata Endpt_FIFO[MAX_BUF];
extern Set_USB(void);
extern TIMER Timer;
extern UC timecouter;
//***********************************************************************
//* *
//* Prototype routine Definition *
//* *
//***********************************************************************
void Start_mSEC_Timer(Data);
void Start_SEC_Timer(Data);
uchar DelayNS(uchar no);
//***********************************************************************
//* *
//* Variable Definition *
//* *
//***********************************************************************
UI Temp;
KERNEL Kernel_Flag;
uchar code disp_buf[8]={0,0,0,0,0,0,0,0}; //LED初始化值
//UC key=0xff;
//***********************************************************************
//* *
//* Routine Definition *
//* *
//***********************************************************************
//***********************************************************************
//* *
//* Routine : Main *
//* Input : None *
//* Output : None *
//* Function : main loop *
//* *
//***********************************************************************
void Main(void)
{
DelayNS(5);
DelayNS(5);
//Initialization routine
//初始化子程序
ZLG7290_SendBuf(disp_buf,8);
Init_Main();
//enable device and reset the device address
D14_Cntrl_Reg.D14_MODE.BITS.SOFTCT = 1;
do
{
//USB routine
USB_Debug_Mode();
//Generic DMA routine
DMA_Debug_Mode();
}
while(1);
}
/*********************************************************************************************************
** 函数名称: DelayNS
** 功能描述: 长软件延时
** 输 入: no : 延时参数，值越大时延时越久
**
** 输 出: 0 : OK;
** 1 : FAIL;
** 全局变量: 无
** 调用模块: 无
**
** 作 者: 叶皓贲
** 日 期: 2003-3-4
**-------------------------------------------------------------------------------------------------------
** 修改人:
** 日 期:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
uchar DelayNS(uchar no)
{
uchar i,j; //延时参数
for(; no>0; no--)
{
for(i=0; i for(j=0; j }
return 0;
}
//***********************************************************************
//* *
//* Routine : Start_mSEC_Timer(Delay) *
//* Input : Delay in milli second *
//* Output : Start timer operation *
//* Function : To start the timeout operation based on the delay i/p *
//* *
//***********************************************************************
void Start_mSEC_Timer(Data)
{
do
{
//calculate timer value
Temp = Timer.mSEC_Scale;
Temp = 0xffff - Temp;
ET0 = 1;
//calculate timer value
//initialize timer 0 counter
Temp >>= 8;
TH0 = (UC) Temp;
Temp = Timer.mSEC_Scale;
Temp = 0xffff - Temp;
TL0 = (UC) Temp;
//start timer count
TR0 = 1;
Kernel_Flag.BITS.Timer_Expired = 0;
while(!Kernel_Flag.BITS.Timer_Expired);
Kernel_Flag.BITS.Timer_Expired = 0;
//stop timer
TR0 = 0;
ET0 = 0;
Data--;
}
while(Data != 0);
}
