C++ (Cpp) DemoInvertFrame Examples

Example #1

File: display_demo.c Project: Digilent/Arty-Z7

void DemoRun()
{
	int nextFrame = 0;
	char userInput = 0;

	/* Flush UART FIFO */
	while (XUartPs_IsReceiveData(UART_BASEADDR))
	{
		XUartPs_ReadReg(UART_BASEADDR, XUARTPS_FIFO_OFFSET);
	}

	while (userInput != 'q')
	{
		DemoPrintMenu();

		/* Wait for data on UART */
		while (!XUartPs_IsReceiveData(UART_BASEADDR))
		{}

		/* Store the first character in the UART receive FIFO and echo it */
		if (XUartPs_IsReceiveData(UART_BASEADDR))
		{
			userInput = XUartPs_ReadReg(UART_BASEADDR, XUARTPS_FIFO_OFFSET);
			xil_printf("%c", userInput);
		}

		switch (userInput)
		{
		case '1':
			DemoChangeRes();
			break;
		case '2':
			nextFrame = dispCtrl.curFrame + 1;
			if (nextFrame >= DISPLAY_NUM_FRAMES)
			{
				nextFrame = 0;
			}
			DisplayChangeFrame(&dispCtrl, nextFrame);
			break;
		case '3':
			DemoPrintTest(pFrames[dispCtrl.curFrame], dispCtrl.vMode.width, dispCtrl.vMode.height, DEMO_STRIDE, DEMO_PATTERN_0);
			break;
		case '4':
			DemoPrintTest(pFrames[dispCtrl.curFrame], dispCtrl.vMode.width, dispCtrl.vMode.height, DEMO_STRIDE, DEMO_PATTERN_1);
			break;
		case '5':
			DemoInvertFrame(dispCtrl.framePtr[dispCtrl.curFrame], dispCtrl.framePtr[dispCtrl.curFrame], dispCtrl.vMode.width, dispCtrl.vMode.height, dispCtrl.stride);
			break;
		case '6':
			nextFrame = dispCtrl.curFrame + 1;
			if (nextFrame >= DISPLAY_NUM_FRAMES)
			{
				nextFrame = 0;
			}
			DemoInvertFrame(dispCtrl.framePtr[dispCtrl.curFrame], dispCtrl.framePtr[nextFrame], dispCtrl.vMode.width, dispCtrl.vMode.height, dispCtrl.stride);
			DisplayChangeFrame(&dispCtrl, nextFrame);
			break;
		case 'q':
			break;
		default :
			xil_printf("\n\rInvalid Selection");
			TimerDelay(500000);
		}
	}

	return;
}

Example #2

File: video_demo.c Project: billybillycheng/Genesys2

void DemoRun()
{
	int nextFrame = 0;
	char userInput = 0;
	u32 locked;
	XGpio *GpioPtr = &videoCapt.gpio;

	/* Flush UART FIFO */
	while (!XUartLite_IsReceiveEmpty(UART_BASEADDR))
	{
		XUartLite_ReadReg(UART_BASEADDR, XUL_RX_FIFO_OFFSET);
	}
	while (userInput != 'q')
	{
		fRefresh = 0;
		DemoPrintMenu();

		/* Wait for data on UART */
		while (XUartLite_IsReceiveEmpty(UART_BASEADDR) && !fRefresh)
		{}

		/* Store the first character in the UART receive FIFO and echo it */
		if (!XUartLite_IsReceiveEmpty(UART_BASEADDR))
		{
			userInput = XUartLite_ReadReg(UART_BASEADDR, XUL_RX_FIFO_OFFSET);
			xil_printf("%c", userInput);
		}
		else  //Refresh triggered by video detect interrupt
		{
			userInput = 'r';
		}

		switch (userInput)
		{
		case '1':
			DemoChangeRes();
			break;
		case '2':
			nextFrame = dispCtrl.curFrame + 1;
			if (nextFrame >= DISPLAY_NUM_FRAMES)
			{
				nextFrame = 0;
			}
			DisplayChangeFrame(&dispCtrl, nextFrame);
			break;
		case '3':
			DemoPrintTest(pFrames[dispCtrl.curFrame], dispCtrl.vMode.width, dispCtrl.vMode.height, DEMO_STRIDE, DEMO_PATTERN_0);
			break;
		case '4':
			DemoPrintTest(pFrames[dispCtrl.curFrame], dispCtrl.vMode.width, dispCtrl.vMode.height, DEMO_STRIDE, DEMO_PATTERN_1);
			break;
		case '5':
			if (videoCapt.state == VIDEO_STREAMING)
				VideoStop(&videoCapt);
			else
				VideoStart(&videoCapt);
			break;
		case '6':
			nextFrame = videoCapt.curFrame + 1;
			if (nextFrame >= DISPLAY_NUM_FRAMES)
			{
				nextFrame = 0;
			}
			VideoChangeFrame(&videoCapt, nextFrame);
			break;
		case '7':
			nextFrame = videoCapt.curFrame + 1;
			if (nextFrame >= DISPLAY_NUM_FRAMES)
			{
				nextFrame = 0;
			}
			VideoStop(&videoCapt);
			DemoInvertFrame(pFrames[videoCapt.curFrame], pFrames[nextFrame], videoCapt.timing.HActiveVideo, videoCapt.timing.VActiveVideo, DEMO_STRIDE);
			VideoStart(&videoCapt);
			DisplayChangeFrame(&dispCtrl, nextFrame);
			break;
		case '8':
			nextFrame = videoCapt.curFrame + 1;
			if (nextFrame >= DISPLAY_NUM_FRAMES)
			{
				nextFrame = 0;
			}
			VideoStop(&videoCapt);
			DemoScaleFrame(pFrames[videoCapt.curFrame], pFrames[nextFrame], videoCapt.timing.HActiveVideo, videoCapt.timing.VActiveVideo, dispCtrl.vMode.width, dispCtrl.vMode.height, DEMO_STRIDE);
			VideoStart(&videoCapt);
			DisplayChangeFrame(&dispCtrl, nextFrame);
			break;
		case 'q':
			break;
		case 'r':
			locked = XGpio_DiscreteRead(GpioPtr, 2);
			xil_printf("%d", locked);
			break;
		default :
			xil_printf("\n\rInvalid Selection");
			MB_Sleep(50);
		}
	}

	return;
}