int tuntap_close(struct net_device *net_dev)
{
shutdownDevice(net_dev);
if(net_dev->priv) LocalFree(net_dev->priv);
net_dev->priv = NULL;
return 0;
}
//============= TESTING APPLICATION USING THESE FS CALLS ==============
// Menu driven testing application for creation of fs,
// and all file and directory related operations
int main(int argc, char** argv){
int fd = openDevice(0);
init_FS(fd);
makeDir(fd, "Folder 1", 1, 1, 1);
makeDir(fd, "Folder 2", 1, 1, 1);
makeDir(fd, "Folder 3", 1, 1, 1);
removeDir(fd, "Folder 2");
int dirhandle = openDir(fd, "Folder 1");
closeDir(dirhandle);
shutdownDevice(0);
}
////////////////////////////////////////////////////////////////////////////////
///
/// @fn main(int argc, char **argv)
///
/// Main entry point for program execution
///
/// @param argc Count of input arguments
/// @param argv Pointer to array of argument arrays
///
/// @return 0 on success
///
////////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv) {
// Video parameters
char videoDevice[] = "/dev/video0";
int frameWidth = 320;
int frameHeight = 240;
float frameRate = 30.0f;
char format[] = FORMAT_H264;
// Configure getopt parameters
int arg = 0;
int argumentIndex = 0;
const char abbreviations[] = "dhfs";
const struct option full[] = {
{"device", required_argument, NULL, 'd'},
{"help", no_argument, NULL, 'h'},
{"format", no_argument, NULL, 'f'},
{"frame-size", no_argument, NULL, 's'},
{"available", no_argument, NULL, 'a'}
};
// Register signal handler for interrupts
signal(SIGINT, signalHandler);
for(;;) {
arg = getopt_long(argc, argv, abbreviations, full, &argumentIndex);
// Getopt returns -1 when there are no more arguments left to parse
if (arg == -1) {
break;
}
switch(arg) {
case 'd':
printf("Using device %s\n", optarg);
break;
case 'h':
printHelp();
break;
case 'f':
printf("Using format %s\n", optarg);
break;
case 's':
printf("Using frame size %s\n", optarg);
break;
case 'a':
printf("Available video formats\n");
printf("Available video sizes\n");
return 0;
default:
break;
}
}
// Begin camera capture
fprintf(stdout, "Initializing camera capture.\n"
"Capture Device: %s\n"
"Video Format: %s\n"
"Video Size: %i x %i\n"
"Frame Rate: %0.2f\n",
videoDevice, format, frameWidth, frameHeight, frameRate);
// Step 1: Open the device for capture and test for its existence
int fileDescriptor = openDevice(videoDevice);
if (fileDescriptor == -1) {
return EXIT_FAILURE;
}
// Step 2: Configure device image format
if (configureDevice(fileDescriptor, format, frameWidth, frameHeight) == -1 ) {
return EXIT_FAILURE;
}
// Step 3: Capture frames from the device until SIGINT is received
fprintf(stdout, "\nBeginning frame capture. Press `ctrl+c` to exit.\n\n");
if (captureFrames(fileDescriptor) == -1) {
return EXIT_FAILURE;
}
// Step 4: Cleanup and exit
if (shutdownDevice(fileDescriptor) == -1) {
return EXIT_FAILURE;
}
fprintf(stdout, "Successfully Exiting.\n");
return EXIT_SUCCESS;
}
