main.c

这是一个关于arm7开发平台的bootloader 在ADS 环境下直接移植到开发板上

#include <string.h>
#include "..\inc\option.h"
#include "..\inc\def.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\drv\flash.h"
#include "..\inc\download.h"
#include "..\inc\lcd320.h"
#include "..\inc\biosfunc.h"

#include "drv/zlg7289.h"
#include "drv/ADC-S3C44B0.h"
#include "drv/KeyBoard.h"

#include "fat16/file.h"



volatile unsigned int err=0;
extern unsigned char *downPt;
extern unsigned int fileSize;

static void (*run)(void)=(void (*)(void))DOWNLOAD_ADDRESS;

/*------------------------Bios function-------------------------------------*/
void LCD_Test()
{     int i;
	Uart_Printf("\nPlease look at the LCD.");

      for (i=0;i<32;i++)
       	{Delay(500);
		LCD_printf("#");}
	LCD_printf("\n");	
	LCD_printf("This is LCD text Mode\n");
	LCD_printf("Please wait.....\n");
	Delay(5000);
	LCD_printf("Then entering graph mode...\n");
	Delay(5000);

	LCD_ChangeMode(DspGraMode);
	LCD_TestShow();
	Delay(5000);
	Uart_Printf("\nPress any key return.");
	Uart_Getch(0);
	LCD_ChangeMode(DspTxtMode);
}



void BootSystem()
{
	Boot(NULL);
}

Bios_function LCD_Test_func={
		LCD_Test,
		"Test LCD",
		'l',
		"Lcdtest",
		NULL
		};

Bios_function LED_Test_func={
		Zlg7289_Test,
		"Test LED",
		'e',
		"LEDtest",
		NULL
		};


Bios_function ADTest_func={
		ADTest,
		"Enter Test ADC Mode",
		'a',
		"testad",
		NULL
		};

Bios_function KeyTest_func={
		Key_Test,
		"Enter Test Key Mode",
		'k',
		"testkey",
		NULL
		};


Bios_function boot_func={
		BootSystem,
		"Boot default system",
		'b',
		"boot",
		NULL
		};

Bios_function* sysfunc[]={&LCD_Test_func,&LED_Test_func, &KeyTest_func,&ADTest_func,&boot_func};

#define SYSFUNCNUM		(sizeof(sysfunc)/sizeof(Bios_function*))

/*------------------------Bios function end-------------------------------------*/


void ShowShellMenu()
{
	int i,j;
	
	Uart_Printf("\n*--------------------------Shell Menu-----------------------------------*");

	for(i=0;i<SYSFUNCNUM;i++){
		Uart_Printf("\n*                %c >>%s",sysfunc[i]->MenuAcc,sysfunc[i]->pShellMenu);

		for(j=51-strlen(sysfunc[i]->pShellMenu);j>0;j--)	//补齐空格
			Uart_SendByte(0, ' ');

		Uart_SendByte(0, '*');
	}
	Uart_Printf("\n*-----------------------------------------------------------------------*");
}

void Main()
{

	int i;//memError=0;
	char aa;
	U32 mode;
	int x,y;
	
	rSYSCFG=CACHECFG;	// Using 8KB Cache//
	Port_Init();
	Set_D12CLK();//set clk 12M


	Uart_Init(0,115200);
	init_SIO();
	Delay(100);
	downPt=(unsigned char *)DOWNLOAD_ADDRESS;

	Uart_Printf("\nBIOS start:OK!");
	Delay(100);
	LCD_Init();


	Flash_Reset();     //自检举例
	if(Check_Flash_Id()==KM29U128_ID)
	{
		Uart_Printf("\nK9F2808U is found.");
		LCD_printf("K9F2808U is found.\n");
	}
	else
	{
		Uart_Printf("\nK9F2808U is not found.");
		LCD_printf("K9F2808U is not found.\n");
	}

	Uart_Printf("\n*************************************************************************");
	Uart_Printf("\n*                UP-NetARM3000 Bootloader EXP                           *");   
	Uart_Printf("\n*                COM:115.2kbps,8Bit,NP,UART0                            *");
	Uart_Printf("\n*-----------------------------------------------------------------------*");

	LCD_printf("******************************\n");
	LCD_printf("*  Bootloader EXP            *\n");
	LCD_printf("*  Build Time: 2004-07-15    *\n");
	LCD_printf("******************************\n");
	LCD_printf("Enter BIOS test mode\n");
	LCD_printf("press any key\n");

	Delay(10000);
    Delay(10000);
    Delay(10000);
	if(!IsKeyDown()){	//无按键按下，正常引导系统
		Uart_Printf("\nAuto Boot\n");
		Boot(NULL);
		for(;;);
	}
	//有按键按下，进入BIOS 测试状态
	LCD_printf("Enter the Embedded System BIOS\n");
	for(;;)
	{
		ShowShellMenu();
        Uart_Printf("\n");
		aa=Uart_Getch(0);

		for(i=0;i<SYSFUNCNUM;i++){
			if(sysfunc[i]->MenuAcc == aa)
				sysfunc[i]->func();
		}
	}
}