void config_erodefilter(){
XImage_filter_SetRows(&xErodeFilter, detailedTiming[currentResolution][V_ACTIVE_TIME]);
XImage_filter_SetCols(&xErodeFilter, detailedTiming[currentResolution][H_ACTIVE_TIME]);
// XImage_filter_InterruptGlobalEnable(&xfilter);
// XImage_filter_InterruptEnable(&xfilter, 3);
XImage_filter_EnableAutoRestart(&xErodeFilter);
XImage_filter_Start(&xErodeFilter);
}
void ChangeSobelMode(int newMode)
{
static int currentStatus = -1;
static int currentLiveMode = 0;
struct xFilterConfig sobel_configuration;
int fd_sobel = 0;
//int fd_uio = 0;
XImage_filter xfilter;
if (currentStatus == newMode && currentLiveMode == gLiveVideoOn)
return;
gActiveState = newMode;
if (newMode != SOBEL_SW)
{
while(gSwSobelState != SW_SOBEL_STATE_OFF)
sleep(1);
DEBUG_Text ("Resetting all vdma\n");
resetStop_VDMA_ALL();
DEBUG_Text ("Resetting vdma done\n");
}
else
{
if (currentLiveMode != gLiveVideoOn && currentStatus == SOBEL_SW)
{
gActiveState = SOBEL_OFF;
while(gSwSobelState != SW_SOBEL_STATE_OFF)
sleep(1);
gActiveState = newMode;
}
while(gSwSobelState != SW_SOBEL_STATE_ON)
sleep(1);
}
currentLiveMode = gLiveVideoOn;
if (newMode == SOBEL_HW)
{
// init sobel filer
XImage_filter_Initialize(&xfilter, "FILTER");
// init the configuration for sobel filter
sobel_configuration.mode = E_xFilterContinousRunning;
sobel_configuration.height = gVideoParam[gResolution][E_VActive];
sobel_configuration.width = gVideoParam[gResolution][E_HActive];
XImage_filter_SetRows(&xfilter, sobel_configuration.height);
XImage_filter_SetCols(&xfilter, sobel_configuration.width);
XImage_filter_InterruptGlobalEnable(&xfilter);
XImage_filter_InterruptEnable(&xfilter, 3);
XImage_filter_EnableAutoRestart(&xfilter);
XImage_filter_Start(&xfilter);
configureVDMA(VDMA_ID_TPG,DMA_DEV_TO_MEM,gLayerBase[SOBEL_LAYER]);
startVDMA(VDMA_ID_TPG, DMA_DEV_TO_MEM);
configureVDMA(VDMA_ID_SOBEL,DMA_DEV_TO_MEM,gLayerBase[DISPLAY_LAYER]);
configureVDMA(VDMA_ID_SOBEL,DMA_MEM_TO_DEV,gLayerBase[SOBEL_LAYER]);
startVDMA(VDMA_ID_SOBEL, DMA_DEV_TO_MEM);
startVDMA(VDMA_ID_SOBEL, DMA_MEM_TO_DEV);
XImage_filter_Release(&xfilter);
}
else if(newMode == SOBEL_OFF)
{
configureVDMA(VDMA_ID_TPG,DMA_DEV_TO_MEM,gLayerBase[DISPLAY_LAYER]);
startVDMA(VDMA_ID_TPG, DMA_DEV_TO_MEM);
DEBUG_Text ("TPG vdma configured\n");
//open the sobel driver
//if ((fd_sobel = open("/dev/xfilter", O_RDWR)) < 0)
// {
// printf("Cannot open device node xfilter\n");
// exit(1);
// }
// STOP the sobel filter
//if (ioctl(fd_sobel, XFILTER_STOP, NULL) < 0)
// {
// printf("Failed to initialize Sobel Filter driver\n");
// }
//close(fd_sobel);
}
// might want to wait here if to activate sw sobel filter.
currentStatus = newMode;
}
