Beispiel #1
0
void TFT_init(void)
{
	Orb(LCD_RST_DPRT,LCD_RST_PIN);
	Orb(LCD_RS_DPRT,LCD_RS_PIN);
	Orb(LCD_CS_DPRT,LCD_CS_PIN);
	Orb(LCD_RD_DPRT,LCD_RD_PIN);
	Orb(LCD_WR_DPRT,LCD_WR_PIN);

	UsartWriteString("BOOT: Resetting LCD\n\r");

	TSLCDRst();

	UsartWriteString("BOOT: Initializing LCD\n\r");

	TSLCDInit();

}
Beispiel #2
0
int main(void)
{
	/*Set the clocking to run at 80Mhz from the crystal of 16MHz using PLL*/
	SysCtlClockSet(SYSCTL_SYSDIV_2_5 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN | SYSCTL_XTAL_16MHZ);

	/* Set the clock for the GPIO Port A,B, E and F */
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);

	/* Set the type of the GPIO Pin */
	GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
	GPIOPinTypeGPIOOutput(GPIO_PORTE_BASE, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5);
	GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_3);

	/* Set the clock for the SSI Module0 */
    SysCtlPeripheralEnable(SYSCTL_PERIPH_SSI0);

    //Initialising UART
    InitConsole();

	/*Configure SysTick for a 100Hz interrupt.  The FatFs driver wants a 10 milliseconds interrupt.*/
	SysTickPeriodSet(SysCtlClockGet() / 10000);
	SysTickIntRegister(SysTickHandler);
	SysTickEnable();
	SysTickIntEnable();

	/* Set the type of the GPIO Pin of PORTF */
    GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_2 );
	GPIOPinTypeGPIOInput(GPIO_PORTF_BASE, GPIO_PIN_4);

	/* GPIO Pin2 on PORT F initialized to 0 */
	GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_2 , 0 );

	/* Configure GPIO pad with internal pull-up enabled */
	GPIOPadConfigSet(GPIO_PORTF_BASE, GPIO_PIN_4, GPIO_STRENGTH_2MA,GPIO_PIN_TYPE_STD_WPU);

	/* Enable global interupts */
	IntMasterEnable();

	UARTprintf("MOUNT initialize!!!\n");

	rc=f_mount(0, &fatfs);		// Register volume work area (never fails)

	if(rc!=FR_OK)
	{
		UARTprintf("1.rc=%d\nERROR MOUNT!!!",rc);
	}
    /* Reset and Initialise the LCD */
	TSLCDRst();
    TSLCDInit();
    setBitBL;

    /* TFT Home Display */
    TSLCDFillRect(0,TS_SIZE_X-1,0,TS_SIZE_Y-1,TS_COL_AQUA,TS_MODE_NORMAL);
    TSLCDFillRect(0,TS_SIZE_X-1,120,200,TS_COL_YELLOW,TS_MODE_NORMAL);

    TSLCDSetFontColor(TS_COL_RED);
   	TSLCDPrintStr(4,0,"Tiva Launchpad Based .BMP Image Display ",TS_MODE_NORMAL);
   	TSLCDPrintStr(5,0,"             TI-CEPD, NSIT              ",TS_MODE_NORMAL);
   	TSLCDShowPic(157,175,218,236,smile,TS_MODE_FULL);

while(1)
{

	while(GPIOPinRead(GPIO_PORTF_BASE,GPIO_PIN_4)!=0);
	SysCtlDelay(SysCtlClockGet()/100);
	flag1++;
	flag2=0;
	if(flag1==8)
		flag1=1;

	if(flag2==0)
	{
	//Opening test1.bmp
		if(flag1==1)
		{
			rc=f_open(&fil,"test1.bmp",FA_OPEN_EXISTING|FA_WRITE|FA_READ);
			SysCtlDelay(SysCtlClockGet()/100);
//			UARTprintf("Test1::::\n");
			if(rc!=FR_OK)
			{
				UARTprintf("2.rc=%d\n ERROR OPEN!!!\n",rc);
			}
		}
	//Opening test2.bmp
		else if((flag1==2)&&(flag2==0))
		{
			rc=f_open(&fil,"test2.bmp",FA_OPEN_EXISTING|FA_WRITE|FA_READ);
			SysCtlDelay(SysCtlClockGet()/100);
//			UARTprintf("Test2::::\n");
			if(rc!=FR_OK)
			{
				UARTprintf("2.rc=%d\n ERROR OPEN!!!\n",rc);
			}
		}
	//Opening test3.bmp
		else if((flag1==3)&&(flag2==0))
		{
			rc=f_open(&fil,"test3.bmp",FA_OPEN_EXISTING|FA_WRITE|FA_READ);
			SysCtlDelay(SysCtlClockGet()/100);
//			UARTprintf("Test3::::\n");
			if(rc!=FR_OK)
			{
				UARTprintf("2.rc=%d\n ERROR OPEN!!!\n",rc);
			}
		}
	//Opening test4.bmp
		else if((flag1==4)&&(flag2==0))
		{
			rc=f_open(&fil,"test4.bmp",FA_OPEN_EXISTING|FA_WRITE|FA_READ);
			SysCtlDelay(SysCtlClockGet()/100);
//			UARTprintf("Test4::::\n");
			if(rc!=FR_OK)
			{
				UARTprintf("2.rc=%d\n ERROR OPEN!!!\n",rc);
			}
		}
	//Opening test5.bmp
		else if((flag1==5)&&(flag2==0))
		{
			rc=f_open(&fil,"test5.bmp",FA_OPEN_EXISTING|FA_WRITE|FA_READ);
			SysCtlDelay(SysCtlClockGet()/100);
//			UARTprintf("Test4::::\n");
			if(rc!=FR_OK)
			{
				UARTprintf("2.rc=%d\n ERROR OPEN!!!\n",rc);
			}
		}
	//Opening test6.bmp
		else if((flag1==6)&&(flag2==0))
		{
			rc=f_open(&fil,"test6.bmp",FA_OPEN_EXISTING|FA_WRITE|FA_READ);
			SysCtlDelay(SysCtlClockGet()/100);
//			UARTprintf("Test4::::\n");
			if(rc!=FR_OK)
			{
				UARTprintf("2.rc=%d\n ERROR OPEN!!!\n",rc);
			}
		}
//Opening test7.bmp
		else if((flag1==7)&&(flag2==0))
		{
			rc=f_open(&fil,"test7.bmp",FA_OPEN_EXISTING|FA_WRITE|FA_READ);
			SysCtlDelay(SysCtlClockGet()/100);
//			UARTprintf("Test4::::\n");
			if(rc!=FR_OK)
			{
				UARTprintf("2.rc=%d\n ERROR OPEN!!!\n",rc);
			}
		}

		//Setting background colour
		TSLCDFillRect(0,TS_SIZE_X-1,0,TS_SIZE_Y-1,TS_COL_AQUA,TS_MODE_NORMAL);

		//Printing Image data
		rc=f_read(&fil,&dummy,10, &br);

		//Reading bmp offset address 10 or 0xA
		rc=f_read(&fil,&addr,4, &br);
//		UARTprintf("address::%04d\n",addr);

		rc=f_read(&fil,&dummy,4, &br);

		//Reading Width at address 18 or 0x12
		rc=f_read(&fil,&width,4, &br);
//		UARTprintf("width::%04d\n",width);

		//Reading height at address 22 or 0x16
		rc=f_read(&fil,&height,4, &br);
//		UARTprintf("height::%04d\n",height);

		rc=f_read(&fil,&dummy,4, &br);

		//Reading compression method of image at address 30 or 0x1E
		rc=f_read(&fil,&c_method,4, &br);
//		UARTprintf("Compression method::%04d\n",c_method);

		rc=f_read(&fil,&dummy,addr-34, &br);

		//Finding the number of bytes for padding
		remainder=(width*3)%4;
		if(remainder!=0)
		{
			remainder=4-remainder;
		}
//		UARTprintf("dummy bytes::%04d\n",remainder);

		//Setting the offset to display the image in centre
		_height=120+height/2;

		//Reading Bitmap data  at address::54
		for(j=1;j<=height;j++)
		{
			for(i=1;i<=width;i++)
				{
				rc=f_read(&fil,&pix1,1, &br);
				rc=f_read(&fil,&pix2,1, &br);
				rc=f_read(&fil,&pix3,1, &br);
				_pix1=pix1/8;
				_pix2=pix2/4;
				_pix3=pix3/8;
/*				UARTprintf("blue::%04d\n",pix1);
				UARTprintf("blue::%04d\n",_pix1<<11);
				UARTprintf("green::%06d\n",pix2);
				UARTprintf("green::%06d\n",_pix2<<5);
				UARTprintf("red::%04d\n",pix3);
				UARTprintf("red::%04d\n",_pix3);
*/
				tft_pix=(_pix1<<11)+(_pix2<<5)+_pix3;
//				UARTprintf("tft pix::%04d\n",tft_pix);
				pix[i-1]=tft_pix;
				}
			TSLCDShowPic(160-(width/2),159+(width/2),_height-j,_height-j,pix,TS_MODE_FULL);
			rc=f_read(&fil,&dummy,remainder, &br);
		}
		rc = f_close(&fil);
		flag2=1;
	}
}
	return 0;
}