📄 main_entry.c
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/************************************************************************/
/* Revision History */
/************************************************************************/
/*Date of Revision Version Description */
/************************************************************************/
/*2002/10/20 001 Original Version. */
/*2003/05/20 002 Added Flash operation. */
/*2005/06/01 003 Added Boot Selection. */
/************************************************************************/
/************************************************************************/
/*Institute of automation, Chinese Academy of Sciences */
/*Beijing Hyesco Technology CO.,Ltd */
/*Title: Bootloader for H4510EM */
/*Author: Lee JuGuang */
/*All Rights Reserved */
/************************************************************************/
#include "s3c4510b_add.h"
#include "uart.h"
#include "isr.h"
#include "ether.h"
//#include "iic.h"
#include "led.h"
#include "DAC.h"
#include "ADC.h"
#include "Key.h"
#include "RTC.h"
#include "LCD.h"
#include "Flash.h"
/********************** Function define. *******************************/
void InitUART(int Port,int Baudrate);
void PrintUART(int Port,char *s);
void Delay(int i);
void extern FIQ(void);
extern void download(void);
void Sys_Info(void);
void Test_GPIO(void);
extern void Update_Bootloader(void);
void Para_Save(void);
unsigned Install_Handle(unsigned routine,unsigned *vector);
void Flash_Unlock(void);
/************************************************************************/
#define SYSCFG 0x03ff0000
#define INT_GLOBAL (21)
#define COUNTDOWN 0x01effff0
/*
************************************************************************
* Function Name: C_Entry()
* Description: Main Function .
* Date: 2003-12-9
************************************************************************
*/
void extern C_Entry(void)
{
char ch;
IOPMOD=0xff; //GPIO设置为输出低电平
IOPDATA=0x0;
LED_Close(); //关闭LED显示
InitUART(0,0x500); //初始化UART0，波特率：19200bps 50MHz 0=COM1;1=COM2
i_printf("\r\n\r\n\r\n\r\n\r\n"); //输出主菜单信息
i_printf("*******************************************************************************\n\r");
i_printf("* *\n\r");
i_printf("* BootLoader for H4510E/M (Version:050601) *\n\r");
i_printf("* *\n\r");
i_printf("* Beijing Hyesco Technology Co. Ltd *\n\r");
i_printf("* http://www.hyesco.com *\n\r");
i_printf("* Tel: (86-10) 62121051 *\n\r");
i_printf("* *\n\r");
i_printf("* Room539,B Building, No.48 Zhongguancun South Street *\n\r");
i_printf("* Haidian District,Beijing 100085,P.R.China *\n\r");
i_printf("* *\n\r");
i_printf("* All Rights Reserved *\n\r");
i_printf("* *\n\r");
Loop:
i_printf("*******************************************************************************\n\r");
i_printf("* Please Input the Item Number: *\n\r");
i_printf("* [0] System Information [1] GPIO Test *\n\r");
i_printf("* [2] LED Test (H4510M Only) [3] Set IP Address *\n\r");
i_printf("* [4] ADC Test (H4510M Only) [5] DAC Test (H4510M Only) *\n\r");
i_printf("* [6] RTC Test [7] Keyboard Test (H4510M Only) *\n\r");
i_printf("* [8] LCD Test (H4510M Only) [9] Download OS/User Program *\n\r");
i_printf("* [a] Update Bootloader [b] Reserved *\n\r");
i_printf("* [c] Reserved [d] Reserved *\n\r");
i_printf("*******************************************************************************\n\r");
while(1)
{
put_char(0, 0x0d); //等待用户按键输入
ch=get_char(0);
switch(ch)
{
case '0':Sys_Info();
break;
case '1':Test_GPIO(); //调用GPIO测试子程序
goto Loop;
case '2':LED_test(); //调用LED测试子程序
goto Loop;
case '3':Para_Save(); //调用IIC测试子程序
break;
case '4':ADC_test(); //调用ADC测试子程序
goto Loop;
case '5':DAC_test(); //调用DAC测试子程序
goto Loop;
case '6':Test_RTC(); //调用RTC测试子程序
goto Loop;
case '7':KeyTest(); //调用键盘测试子程序
goto Loop;
case '8':LCD_Test(); //调用LCD测试子程序
goto Loop;
case '9':download(); //调用用户程序下载子程序
break;
case 'a':
Update_Bootloader(); //调用BootLoader自更新子程序
break;
default:
{i_printf("\r\n");
goto Loop;}
}
}
}
//*************************************************************************************************
//*Function Name: Para_Save(void)
//*Function Description: 将系统参数保存到Flash的最后一个扇区，此处为系统的IP地址
//*Date: 2004-01-04
//*************************************************************************************************
void Para_Save(void)
{
char size[10],ch,Flag;
unsigned short a[4],i,temp,k,Byte;
volatile unsigned short *address;
//****************************************************************
//**** 从Flash的最后一个扇区读取IP地址，以ASCII码格式显示
//**** #define AM_SECTOR_ADDR_31 0x11f0000 （在Flash.h中定义）
//****************************************************************
address=(unsigned short *)AM_SECTOR_ADDR_31;
for(i=0;i<4;i++)
{
a[i]=(*address)&0xff; //仅保留低字节；
address++;
}
i_printf("\r\n>>>IP Address: ");
for(i=0;i<4;i++)
{
Flag='0';
temp=a[i];
temp=temp/100;
if(temp!=0)
{
put_char(0,temp+0x30);
Flag='1';
}
a[i]=a[i]-temp*100;
temp=a[i];
temp=temp/10;
if((temp==0)&&(Flag=='0'))
;
else
put_char(0,temp+0x30);
a[i]=a[i]-temp*10;
temp=a[i];
put_char(0,temp+0x30);
if(i<3)
put_char(0,'.');
}
//*********************************************************
//**** chioce to change IP address
//*********************************************************
i_printf("\r\n\r\n>>>Do You Want to Change IP Address?(Y/N)---");
ch=get_char(0);
if((ch!='Y')&&(ch!='y'))
{
i_printf("\r\n");
return;
}
put_char(0, ch);
//*********************************************************
//**** Here,We input the new IP address and change it
//**** into binary format.
//*********************************************************
i_printf("\r\n>>>Please Input New IP Address:");
a[0]=a[1]=a[2]=a[3]=0;
for(Byte=0;Byte<4;Byte++)
{
i_printf("\r\n>>>Byte ");
put_char(0,Byte+0x31);
i_printf(": ");
i=0;
size[0]=get_char(0);
do
{
i_printf("%c",size[i]);
if(size[i]>'9'||size[i]<'0')
{
i_printf("\r\n\r\nSorry,IP Addres Error!\r\n\r\n");
return;
}
i++;
size[i]=get_char(0);
}while(size[i]!=0x0d);
for(k=0;k<i;k++)
a[Byte]=a[Byte]*10+size[k]-'0';
if(a[Byte]>255)
{
i_printf("\r\n\r\nSorry,IP Addres Out of Range!\r\n\r\n");
return;
}
}
i_printf("\r\n\r\n>>>Change IP Address?(Y/N)---");
ch=get_char(0);
if((ch!='Y')&&(ch!='y'))
{
i_printf("\r\n");
return;
}
put_char(0, ch);
//*********************************************************
//**** 首先擦除Flash的最后一个扇区；
//*********************************************************
//i_printf("\r\n>>>Erase Parameter Area,Please Wait...");
Flash_Unlock();
*((volatile unsigned short *)AM_SECTOR_ADDR_31) = AM_SECTOR_ERASE; //0x3030
//i_printf(",Blank Check...");
aaa1:
Delay(50000);
for(address=(unsigned short *)AM_SECTOR_ADDR_31;address<(unsigned short *)AM_SECTOR_ADDR_31+ 0xff;address++)
{
if(*address!=0xffff)
{
goto aaa1;
}
}
//i_printf(", OK!\r\n");
//*********************************************************
//**** 然后写入新的IP地址；
//*********************************************************
address=(unsigned short *)AM_SECTOR_ADDR_31;
for(i=0;i<4;i++)
{
*((volatile unsigned short *)AM_START_ADDR + AM_ADDR_UNLOCK1) = AM_DATA_UNLOCK1;
*((volatile unsigned short *)AM_START_ADDR + AM_ADDR_UNLOCK2) = AM_DATA_UNLOCK2;
*((volatile unsigned short *)AM_START_ADDR + AM_ADDR_UNLOCK1) = AM_SETUP_WRITE;
*address = a[i];
Delay(10);
while(*address!=a[i])
{
Delay(10);
}
address++;
}
i_printf("\r\n\r\n>>>IP Address Changed!\r\n");
}
/************************************************************************/
/*Function Description: Flash解锁 */
/*Date: 2003-12-2 */
/************************************************************************/
void Flash_Unlock(void)
{
*((volatile unsigned short *)AM_START_ADDR+ AM_ADDR_UNLOCK1) = AM_DATA_UNLOCK1; //0xaaaa
*((volatile unsigned short *)AM_START_ADDR+ AM_ADDR_UNLOCK2) = AM_DATA_UNLOCK2; //0x5555
*((volatile unsigned short *)AM_START_ADDR+ AM_ADDR_UNLOCK1) = AM_SETUP_ERASE; //0x8080
*((volatile unsigned short *)AM_START_ADDR+ AM_ADDR_UNLOCK1) = AM_DATA_UNLOCK1; //0xaaaa
*((volatile unsigned short *)AM_START_ADDR+ AM_ADDR_UNLOCK2) = AM_DATA_UNLOCK2; //0x5555
}
/************************************************************************/
/*Function Description: System Information */
/*Date: 2003-12-2 */
/************************************************************************/
void Sys_Info()
{
//输出系统基本信息
i_printf("\r\n\r\n\r\n\r\n\r\n");
i_printf("*******************************************************************************\n\r");
i_printf("* System Information *\n\r");
i_printf("* *\n\r");
i_printf("* CPU: S3C4510B Ope Fre: 50MHz *\n\r");
i_printf("* Flash: 2MB SDRAM: 16MB *\n\r");
i_printf("* Ethernet: 10M/100M Input Volt: AC 220V *\n\r");
i_printf("* *\n\r");
i_printf("*******************************************************************************\n\r");
i_printf("* After Remap *\n\r");
i_printf("* *\n\r");
i_printf("* SDRAM Address: 0x0000,0000~0x0100,0000-1 *\n\r");
i_printf("* Flash Address: 0x0100,0000~0x0120,0000-1 *\n\r");
i_printf("*******************************************************************************\n\r");
i_printf("\n\rPress Any Key to Continue...\r\n");
}
/************************************************************************/
/*Function Description: Test GPIO */
/*Date: 2004-7-12 */
/************************************************************************/
void Test_GPIO(void)
{
i_printf("\r\n\r\nGPIO Test,Press any Key to Continue...\r\n\r\n");
IOPMOD=0xff; //设置GPIO为输出模式
while(1){
IOPDATA=0x1; //GPIO0～GPIO7轮流点亮
Delay(500000);
IOPDATA=0x2;
Delay(500000);
IOPDATA=0x4;
Delay(500000);
IOPDATA=0x8;
Delay(500000);
IOPDATA=0x10;
Delay(500000);
IOPDATA=0x20;
Delay(500000);
IOPDATA=0x40;
Delay(500000);
IOPDATA=0x80;
Delay(500000);
if(kbd_hit()) //如有用户按键，退出该GPIO测试程序
{
IOPDATA=0x0;
return;
}
}
return;
}
void Delay(int i)
{ int j,k;
for(j=0;j<i;j++)
{
k=0;
}
}
/****************************************************************/
/*Function Description: Initial UART */
/*Date: 2003-12-2 */
/****************************************************************/
void InitUART(int Port,int Baudrate)
{
if(Port==0)
{
ULCON0=0x03;
UCON0=0x09;
UBRDIV0=Baudrate;
}
if(Port==1)
{
ULCON1=0x03;
UCON1=0x09;
UBRDIV1=Baudrate;
}
}
/****************************************************************/
/*Function Description: Install interrupt handler */
/*Date: 2003-12-2 */
/****************************************************************/
unsigned Install_Handle(unsigned routine,unsigned *vector)
{
unsigned vec,oldvect;
vec=((routine-(unsigned)vector-0x8)>>2);
if(vec&0xff000000);
vec=0xea000000|vec;
oldvect=*vector;
*vector=vec;
return(oldvect);
}
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