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cli.c
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cli.c
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#include "audio.h"
// Function to check if a key was pressed
bool keyPressed()
{
struct timeval tv = {0L, 0L};
fd_set fds;
FD_ZERO(&fds);
FD_SET(0, &fds); // STDIN_FILENO is 0
return select(1, &fds, NULL, NULL, &tv) > 0;
}
// Function to get the pressed key without waiting for Enter key
int getCharNonBlocking()
{
struct termios oldt, newt;
int ch;
tcgetattr(STDIN_FILENO, &oldt); // Get current terminal attributes
newt = oldt;
newt.c_lflag &= ~(ICANON | ECHO); // Disable buffering and echo
tcsetattr(STDIN_FILENO, TCSANOW, &newt); // Apply new settings
if (keyPressed())
{ // Check if a key was pressed
ch = getchar();
}
else
{
ch = -1; // No key was pressed
}
tcsetattr(STDIN_FILENO, TCSANOW, &oldt); // Restore terminal attributes
return ch;
}
void inputStartTime()
{
float time;
printf("Enter new start time in seconds (current: %f): ", startTimeInSeconds);
if (scanf("%f", &time) == 1)
{ // Ensure scanf successfully reads a float
// Validate the input time range
if (time >= 0 && time <= 3600)
{ // 0 to 3600 seconds range
updateStartTime(time);
printf("Start time updated to %f seconds.\n", time);
}
else
{
printf("Invalid input: start time must be between 0 and 3600 seconds.\n");
}
}
else
{
// Clear the input buffer to prevent infinite loops in case of invalid input
while (getchar() != '\n')
;
printf("Invalid input: please enter a numeric value.\n");
}
}
// TESTING
// int main() {
// initAudio();
// onStartRecording();
// sleep(3);
// onStopRecording();
// onStartPlaying();
// sleep(3);
// onStopPlaying();
// cleanupAudio();
// }