📄 drv_key.c

📁 一款SmartPhone的驱动代码
💻 C
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		{
		//middle voice
		k5_data = 0x11;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1e;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x01;
		goto scan_over;
		}
		case 0x1d:
		{
		//2
		k5_data = 0x02;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1d;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x02;
		goto scan_over;
		}
		case 0x1b:
		{
		//5
		k5_data = 0x05;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1b;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x04;
		goto scan_over;
		}
		case 0x17:
		{
		//8
		k5_data = 0x08;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x17;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x08;
		goto scan_over;
		}
		case 0x0f:
		{
		//0
		k5_data = 0x00;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x0f;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x10;
		goto scan_over;
		}
	}
	
//check No voice up,1,4,7,*
	//func4()
	*(volatile unsigned char *)IO_P3D_ADDR &= 0x37;
	*(volatile unsigned char *)IO_P3D_ADDR |= 0x17;
	keytemp = *(volatile unsigned char *)IN_K5D_ADDR;
	keytemp&=0x1f;
	switch(keytemp)
	{
		case 0x1e:
		{
		//voice up
		k5_data = 0x10;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1e;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x01;
		goto scan_over;
		}
		case 0x1d:
		{
		//1
		k5_data = 0x0c;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1d;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x02;
		goto scan_over;
		}
		case 0x1b:
		{
		//4
		k5_data = 0x04;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1b;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x04;
		goto scan_over;
		}
		case 0x17:
		{
		//7
		k5_data = 0x07;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x17;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x08;
		goto scan_over;
		}
		case 0x0f:
		{
		//*
		k5_data = 0x0a;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x0f;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x10;
		goto scan_over;
		}
	}	
	
//check No up,down,right,left,done
	//func5()
	*(volatile unsigned char *)IO_P3D_ADDR &= 0x2f;
	*(volatile unsigned char *)IO_P3D_ADDR |= 0x0f;
	keytemp = *(volatile unsigned char *)IN_K5D_ADDR;
	keytemp&=0x1f;
	switch(keytemp)
	{
		case 0x1e:
		{
		//up
		k5_data = 0x67;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1e;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x01;
		goto scan_over;
		}
		case 0x1d:
		{
		//down
		k5_data = 0x6c;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1d;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x02;
		goto scan_over;
		} 
		case 0x1b:
		{
		//right
		k5_data = 0x6a;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x1b;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x04;
		goto scan_over;
		}
		case 0x17:
		{
		//left
		k5_data = 0x69;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x17;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x08;
		goto scan_over;
		}
		case 0x0f:
		{
		//done
		k5_data = 0x1c;
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR &= 0x0f;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR &= 0x10;
		goto scan_over;
		}
	}
	 *(volatile unsigned char *)IO_P3D_ADDR &= 0xe0;	// set P30,p31,p32,p33,p34 to "0"	
	// 402CC
	*(volatile unsigned char *)IN_SCPK0_ADDR |= 0x1F;
	//402CE
	*(volatile unsigned char *)IN_SMPK0_ADDR |= 0x1F;

	 goto scan_over1;
scan_over:		
	*(volatile unsigned char *)IO_P3D_ADDR &= 0xe0;	// set P30,p31,p32,p33,p34 to "0"
	//reset FPK0 interrupt flag
 	//*(volatile unsigned char *)INT_FP0_FK_ADDR |= INT_EK0;
 	keytemp = *(volatile unsigned char *)IN_K5D_ADDR;
	keytemp&=0x1f;
	if (keytemp == 0x1f)
	{
		// 402CC
		*(volatile unsigned char *)IN_SCPK0_ADDR |= 0x1F;
		//402CE
		*(volatile unsigned char *)IN_SMPK0_ADDR |= 0x1F;	
		goto scan_over1;
	}
	bKeyStatus = 1;

	iset_flg(GUI_EVENTID,0x010);//added by ChenHong for Initialization
scan_over1:
 	//*(volatile unsigned char *)INT_FP0_FK_ADDR |= INT_EK0;
	*(volatile unsigned char *)INT_EP0_EK_ADDR |=INT_EK0;
	asm("popn	%r15");			// restore r1,r2...r15
	
	asm("reti");
	
}

void delay()
{
	unsigned long i,j;
	for (i=0;i<20000;i++)
		j+= (i >1000)?i/2*3+10:i;
}
/*
void vInitKey( void );
void vIntKey( void );
unsigned char rucK5PortData;
unsigned char gucKeyCode;

void delay();

void vInitKey( void )
{
	//P2 setting, P20,P21, as IO ports
	*(volatile unsigned char *)0x402D8 &= 0x0FC;
	//P1 setting, P15,P16, as IO ports
	*(volatile unsigned char *)0x402D4 &= 0x9F;
	
	//P2 input_output selection(for IO ports only), P20, P21, output
	*(volatile unsigned char *)0x402DA |= 0x03;
	//P1 input_output selection(for IO ports only), P15,P16, output
	*(volatile unsigned char *)0x402D6 |= 0x60;
	
	// P20 = P21 ='L'
	*(volatile unsigned char *)0x402D9 &= 0x0FC;
	// P15 = P16 ='L'
	*(volatile unsigned char *)0x402D5 &= 0x9F;
	
	
	//[0x402c0] set K50, K51,K52,K53,K54=KEYI0,KEYI1,KEYI2,KEYI3 KEYI4
	*(volatile unsigned char *)IN_CFK5_ADDR &= 0xe0;	// select K5 function: K50, K51,K52,K53,K54
	//[0x402c9]
	*(volatile unsigned char *)IN_SEP_ADDR &= 0xe0;
	//[0x402ca]
	*(volatile unsigned char *)IN_SPPK_ADDR &= 0x0fc;	//set FPK0 interrupt input port K5
	//[0x402cc]
	*(volatile unsigned char *)IN_SCPK0_ADDR |= 0x1F;	//set K50-K54 input comparison register 0 
	//[0x402ce]
	*(volatile unsigned char *)IN_SMPK0_ADDR |= 0x1F;	//set K50-K54 interrupt mask enable
	//[0x40262]
	*(volatile unsigned char *)INT_PK0_PK1_ADDR &= 0x0f0;
	*(volatile unsigned char *)INT_PK0_PK1_ADDR |= INT_PRIL_LVL4;	//set Key input0 interruput level 4
	//[0x40280]
	*(volatile unsigned char *)INT_FP0_FK_ADDR |= 0x10;		// reset Key input0 interrupt flag
	//[0x40270]
	*(volatile unsigned char *)INT_EP0_EK_ADDR |= 0x10;		// enable Key input0 interrupt
	
	//[0x402c6]
//	*(volatile unsigned char *)IN_SPT0_SPT3_ADDR |= 0x55;	//select K50,K51,K52,K53,K54 input pin for port interrupt
//	*(volatile unsigned char *)IN_SPT0_SPT3_ADDR &= 0x55;
	//[0x402c7]
//	*(volatile unsigned char *)IN_SPT4_SPT7_ADDR |= 0x01;
//	*(volatile unsigned char *)IN_SPT4_SPT7_ADDR &= 0x0fd;
	//[0x402c8]
	//*(volatile unsigned char *)IN_SPP_ADDR &= 0x0e0;		//set FPT0-FPT4 high level triger
}

void vIntKey( void )
{
	asm("pushn	%r15");			// save r1,r2...r15
	asm("ld.w	%r9,%psr");		// EI,enable interrupt 
	asm("or 	%r9,0x10");
	asm("ld.w	%psr,%r9");

  	//check No 1,4,7,Menu,*   set P15 = 0, other = 1
	*(volatile unsigned char *)IO_P2D_ADDR |= 0x03;	// set P15 = 0
	*(volatile unsigned char *)IO_P1D_ADDR &= 0x0DF;
	*(volatile unsigned char *)IO_P1D_ADDR |= 0x40;
  	
  	rucK5PortData = *(volatile unsigned char *)IN_K5D_ADDR & 0x1F;	// [0x402c1]
 	while (1)
 	{
 		delay();
 		if (rucK5PortData == (*(volatile unsigned char *)IN_K5D_ADDR & 0x1F))
 			break;
 		else
 			rucK5PortData = *(volatile unsigned char *)IN_K5D_ADDR & 0x1F;	// [0x402c1]
 	}
   	switch( rucK5PortData )
 	{
 		case 0x1E:
 			gucKeyCode = 1;//DOWNKEY;		//K50
 			break;
 		case 0x1D:
 			gucKeyCode = 2;//CANCELKEY;		//K51
 			break;
 		case 0x1B:
 			gucKeyCode = 3;//NO4KEY;		//K52
 			break;
 		case 0x17:
 			gucKeyCode = 4;//NO5KEY;		//K53
 			break;
 		case 0x0F:
 			gucKeyCode = 5;//NO6KEY;		//K54
 			break;
 		default:
 			gucKeyCode = 6;//NULL;
 	}
	if (gucKeyCode == NULL)
	{
		//check No 2,5,8,0,Cancel,   set P21 = 0, other = 1
		*(volatile unsigned char *)IO_P2D_ADDR &= 0xfd;	// set P21 = 0
		*(volatile unsigned char *)IO_P2D_ADDR |= 0x01;
		*(volatile unsigned char *)IO_P1D_ADDR |= 0x60;
			 	
	 	rucK5PortData = *(volatile unsigned char *)IN_K5D_ADDR & 0x1F;	// [0x402c1]
	   	switch( rucK5PortData )
	 	{
	 		case 0x1E:
	 			gucKeyCode = 7;//RIGHTKEY;		//K50
	 			break;
	 		case 0x1D:
	 			gucKeyCode = 8;//MENUKEY;		//K51
	 			break;
	 		case 0x1B:
	 			gucKeyCode = 9;//NO7KEY;		//K52
	 			break;
	 		case 0x17:
	 			gucKeyCode = 10;//NO8KEY;		//K53
	 			break;
	 		case 0x0F:
	 			gucKeyCode = 11;//NO9KEY;		//K54
	 			break;
	 		default:
	 			gucKeyCode = 12;//NULL;
	 	}
	}
	
	if (gucKeyCode == NULL)
	{
		//check No 3,6,9,#,ONOFF,   set P20 = 0, other = 1
		*(volatile unsigned char *)IO_P2D_ADDR &= 0xfe;	// set P20 = 0
		*(volatile unsigned char *)IO_P2D_ADDR |= 0x02;
		*(volatile unsigned char *)IO_P1D_ADDR |= 0x60;
	 	
	 	rucK5PortData = *(volatile unsigned char *)IN_K5D_ADDR & 0x1F;	// [0x402c1]
	   	switch( rucK5PortData )
	 	{
	 		case 0x1E:
	 			gucKeyCode = 13;//LEFTKEY;		//K50
	 			break;
	 		case 0x1D:
	 			gucKeyCode = 14;//CALLKEY;		//K51
	 			break;
	 		case 0x1B:
	 			gucKeyCode = 15;//ASTERISKKEY;		//K52
	 			break;
	 		case 0x17:
	 			gucKeyCode = 16;//NO0KEY;		//K53
	 			break;
	 		case 0x0F:
	 			gucKeyCode = 17;//SHARPKEY;		//K54
	 			break;
	 		default:
	 			gucKeyCode = 18;//NULL;
	 	}
	}
	
	if (gucKeyCode == NULL)
	{
		//check Call,Down,Right,Left,Done,   set P16 = 0, other = 1
		*(volatile unsigned char *)IO_P2D_ADDR |= 0x03;	// set P16 = 0
		*(volatile unsigned char *)IO_P1D_ADDR &= 0x0BF;
		*(volatile unsigned char *)IO_P1D_ADDR |= 0x20;
	 	
	 	rucK5PortData = *(volatile unsigned char *)IN_K5D_ADDR & 0x1F;	// [0x402c1]
	   	switch( rucK5PortData )
	 	{
	 		case 0x1E:
	 			gucKeyCode = 20;//UPKEY;		//K50
	 			break;
	 		case 0x1D:
	 			gucKeyCode = 21;//ONOFFKEY;		//K51
	 			break;
	 		case 0x1B:
	 			gucKeyCode = 22;//NO1KEY;		//K52
	 			break;
	 		case 0x17:
	 			gucKeyCode = 23;//NO2KEY;		//K53
	 			break;
	 		case 0x0F:
	 			gucKeyCode = 24;//NO3KEY;		//K54
	 			break;
	 		default:
	 			gucKeyCode = 25;//NULL;
	 	}
	}
	
 	//[0x40280]
	*(volatile unsigned char *)INT_FP0_FK_ADDR |= 0x10;		// reset Key input0 interrupt flag
	
	// P20 = P21 ='L'
	*(volatile unsigned char *)0x402D9 &= 0x0FC;
	// P15 = P16 ='L'
	*(volatile unsigned char *)0x402D5 &= 0x9F;

	asm("popn	%r15");			// restore r1,r2...r15
	asm("reti");
}
*/
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