main.c

S3C44B0 液晶显示程序

#include "..\inc\uTypes.h"
#include "..\inc\44b0x.h"
#include "..\inc\console.h"
#include "..\inc\sysUtils.h"

//申明函数
void IoConfig (void);
void KeyLedTest (void);
void ledTest (void);

//我们用这个片编存储我们的IRQ ISR入口地址
U32 pIrqStart = 0;
U32 pIrqFinish = 0; 
U32 pIrqHandler = 0;

U32 g_pTopOfROM = 0;
U32 g_pBaseOfROM = 0;
U32 g_pBaseOfBSS = 0;
U32 g_pBaseOfZero = 0;
U32 g_pEndOfBSS = 0;

extern U32 GetBaseOfROM (void);
extern U32 GetEndOfROM (void);
extern U32 GetBaseOfBSS (void);
extern U32 GetBaseOfZero (void);
extern U32 GetEndOfBSS (void);

/************************LCM相关外部函数和变量***************************/
extern unsigned char col,row; //col即LCM的行地址，row即LCM的列地址

extern void lcmInit (void);
extern void myprintf(const char *format,...);//字符串显示输出函数
extern void show_long(unsigned long i);//显示入口长整型数函数
extern void show_HEX(unsigned char i);//显示HEX入口数函数
extern void show_enter(unsigned char i);//以十进制显示入口数函数
extern void Putedot(unsigned char Order);//半角字符点阵码数据输出函数
extern void show_photo(const unsigned char*photo,unsigned char x,unsigned char y);//显示图片函数
extern void Lcm_dot (unsigned char i,unsigned char j); //LCM显示功能点(ICON图标)函数
extern void Lcmcls( void );//清屏函数，不清屏ICON图标
/************************************************************************/


int main(void)
{
  sysUtilsSetPllValue (24, 6, 1);
  IoConfig ();

  console_init (115200);

  printf ("\n\nITSN - 44B0 board Test programe version 1.0.\n\n");

  //熄灭所有的LED灯
  sysUtilsLightLed (LED_ALL, FALSE);
  
  g_pTopOfROM = GetEndOfROM ();
  g_pBaseOfROM = GetBaseOfROM ();
  g_pBaseOfBSS = GetBaseOfBSS ();
  g_pBaseOfZero = GetBaseOfZero ();
  g_pEndOfBSS = GetEndOfBSS ();
  
  printf ("g_pTopOfROM = 0x%08x.\n", g_pTopOfROM);
  printf ("g_pBaseOfROM = 0x%08x.\n", g_pBaseOfROM);
  printf ("g_pBaseOfBSS = 0x%08x.\n", g_pBaseOfBSS);
  printf ("g_pBaseOfZero = 0x%08x.\n", g_pBaseOfZero);
  printf ("g_pEndOfBSS = 0x%08x.\n", g_pEndOfBSS);
  
  printf ("&g_pTopOfROM = 0x%08x.\n", &g_pTopOfROM);
  printf ("&g_pBaseOfROM = 0x%08x.\n", &g_pBaseOfROM);
  printf ("&g_pBaseOfBSS = 0x%08x.\n", &g_pBaseOfBSS);

  ledTest (); //流水灯显示

  lcmInit ();
  row=2;col=5; //字显示在第2页的第5列
  myprintf("Hello! S3C44B0.%"); //显示字符串"Hello! S3C44B0."
  
  for (;;){
     KeyLedTest ();
    }
  return 0;
}

/****************************************************************************
函数名称: IoConfig
功    能: 初始化IO口
参    数: 无
返回  值: 无
****************************************************************************/
void IoConfig (void)
{
	// PORT A GROUP
	/*  BIT 9	8	7	6	5	4	3	2	1	0	*/
	/*  A24	  A23	A22	A21	A20	A19	A18	A17	A16	A0	*/	      
	/*  0		1	1	1	1	1	1	1	1	1	*/
	rPCONA = 0x1ff;	

	// PORT B GROUP
	/*  BIT 10	9		8		7		6		5		4		3		2		1		0		*/
	/*	/CS5	/CS4	/CS3	/CS2	/CS1	nWBE3	nWBE2	/SRAS	/SCAS	SCLK	SCKE	*/
	/*	EXT		NIC		8019	IDE		D12		NC		NC		Sdram	Sdram	Sdram	Sdram	*/
	/*	1,		1,   	1,   	1,    	1,    	0,      0,		1,    	1,    	1,   	1       */
	rPDATB = 0x04f;
	rPCONB = 0x3cf;    
    
	//PORT C GROUP
	//BUSWIDTH=16													*/
	/*  PC15	14		13		12		11		10		9		8	*/
	/*	o		o		RXD1	TXD1	o		o		o		o	*/
	/*	NC		NC		Uart1	Uart1	NC		NC		NC		NC	*/
	/*  01		01		11		11		01		01		01		01	*/

	/*  PC7		6		5		4		3		2		1		0	*/
	/*  o		o		o		o		o		o		o		o	*/
	/*  NC		NC		NC		NC		LED		LED		LED		LED	*/
	/*  01		01		01		01		01		01		01		01	*/
	rPDATC = 0x0000;	//All IO is low
	rPCONC = 0x5f555555;	
	rPUPC  = 0x3000;	//PULL UP RESISTOR should be enabled to I/O

	//PORT D GROUP
	/*  PORT D GROUP(I/O OR LCD)										*/
	/*  BIT7		6		5		4		3		2		1		0	*/
	/*  VF			VM		VLINE	VCLK	VD3		VD2		VD1		VD0	*/
	/*	01			01		01		01		01		01		01		01	*/
	rPDATD= 0x55;
	rPCOND= 0xaaaa;	
	rPUPD = 0x00;
	//These pins must be set only after CPU's internal LCD controller is enable
/////////////////////////////////////////////////////	
	//PORT E GROUP 
	/*  Bit 8		7		6		5		4		3		2		1		0		*/
	/*	ENDLAN		o		o		TOU2	o		o		RXD0	TXD0	FOUT	*/ 
	/*  00			01		01		10		01		01		10		10		11		*/	
	rPDATE	= 0x157;				//Beep = 10
	rPCONE	= 0x596b;				
	rPUPE	= 0xff;
	
	//PORT F GROUP
	/*  Bit8		7		6		5		 4		3		2		1		0		*/   
	/*  IISCLK		IISDI	IISDO	IISLRCK	Input	Input	Input	IICSDA	IICSCL	*/
	/*	100			100		100		100		00		00		00		10		10		*/	
	rPDATF = 0x0;
	rPCONF = 0x24900a;	 
	rPUPF  = 0x1d3;

	//PORT G GROUP
	/*  BIT7		6		5		4		3		2		1		0		*/
	/*	EINT7		EINT6	EINT5	EINT4	EINT3	EINT2	EINT1	EINT0	*/
	/*  KEY3		KEY2	KEY1	KEY0	NIC		EXT		IDE		USB		*/
	/*	11 			11      11      11      11      11      11      11		*/
	rPDATG = 0xff;
	rPCONG = 0x0000;
	rPUPG  = 0x00;	//should be enabled  

	rSPUCR= 0x4;//0x7;  //D15-D0 pull-up disable
	//rSPUCR= 0x6;  //D15-D0 pull-up enable
	
	rSYSCFG = 0x0e;				    //使用8K字节的指令缓存,write buffer disable		 
	rNCACHBE0 = 0xc0002000;		//定义非Cache区,从0x2000000到0xbffffff,中断时进入ROM,若不允许CACHE不正常
	rEXTINT = 0x0;				    //所有的外部硬件中断为低电平触发	
}

/****************************************************************************
函数名称: KeyLedTest
功    能: 测试1 * 4键盘，4个按键是接在EXTINT 4,5,6,7上面的，
          当我们检测到有按键的时候就用LED显示相关的按键信息!
参    数: 无
返回  值: 空
****************************************************************************/
#define EXTINT4     0
#define EXTINT5     1
#define EXTINT6     2
#define EXTINT7     3

#define EXTINT4567  21

#define INTTRIG_LOW          0x00
#define INTTRIG_HIGH         0x01
#define INTTRIG_FALLING      0x02
#define INTTRIG_RISING       0x04
#define INTTRIG_BOTHEDGE     0x05

void KeyLedTest (void)
{
  U32 dwVal;

  //设置IO 口PORT G
  rPCONG |= 0xff00;

  //设置中断
  rINTMOD &= ~MASK_BIT(21);
  rINTCON &= ~MASK_BIT(1);

  //设置EXTINT4,5,6,7中断模式,我们这里使用低电平触发
  rEXTINT &= 0xffff;    //先清除EXTINT4,5,6,7的相应设置bit位

  for (;;)
  {
    dwVal = rINTPND;    
    if ((dwVal & MASK_BIT(21)) == 0)
    {
      continue;
    }

     //EXTINTPND 寄存器，判断是哪个外部中断触发
    dwVal = rEXTINTPND;

    if ((dwVal & MASK_BIT(EXTINT4)) != 0)
    {
      rEXTINTPND |= MASK_BIT(EXTINT4);
      //外部中断4 产生了，点亮LED1
      sysUtilsLightLed (LED1, TRUE);
    }

    if ((dwVal &  MASK_BIT(EXTINT5)) != 0)
    {
      rEXTINTPND |= MASK_BIT(EXTINT5);
      //外部中断4 产生了，点亮LED2
      sysUtilsLightLed (LED2, TRUE);
    }

    if ((dwVal &  MASK_BIT(EXTINT6)) != 0)
    {
      rEXTINTPND |= MASK_BIT(EXTINT6);
      //外部中断4 产生了，点亮LED3
      sysUtilsLightLed (LED3, TRUE);
    }

    if ((dwVal &  MASK_BIT(EXTINT7)) != 0)
    {
      rEXTINTPND |= MASK_BIT(EXTINT7);
      //外部中断4 产生了，熄灭LED1,2,3
      sysUtilsLightLed (LED_ALL, FALSE);
      sysUtilsLightLed (LED3, FALSE);
    }
    //最后清除中断位
    //rI_ISPC |= MASK_BIT(21);
    rI_ISPC = dwVal;
  }
}
/*
函数名称: ledTest
功    能: 循环点亮LED灯
参    数: 无
返回值  : 无
*/
#define LEDTEST_DELAY   100000
void ledTest (void)
{
  sysUtilsLightLed (LED1, TRUE);
  sysUtilsUSecDelay (LEDTEST_DELAY);  //延迟100ms
  sysUtilsLightLed (LED1, FALSE);
  sysUtilsLightLed (LED2, TRUE);
  sysUtilsUSecDelay (LEDTEST_DELAY);  //延迟100ms
  sysUtilsLightLed (LED2, FALSE);
  sysUtilsLightLed (LED3, TRUE);
  sysUtilsUSecDelay (LEDTEST_DELAY);  //延迟100ms
  sysUtilsLightLed (LED3, FALSE);
  sysUtilsLightLed (LED2, TRUE);
  sysUtilsUSecDelay (LEDTEST_DELAY);  //延迟100ms
  sysUtilsLightLed (LED2, FALSE);
  sysUtilsLightLed (LED1, TRUE);
  sysUtilsUSecDelay (LEDTEST_DELAY);  //延迟100ms
  sysUtilsLightLed (LED1, FALSE);
}