int main(int argc, char* argv[])
{
int res;
int i;
// Initialize the hidapi library
printf("Starting to initialize HID library...\n");
res = hid_init();
printf("Initialized HID library.\n");
// Open the device using the VID, PID,
// and optionally the Serial number.
printf("Trying to open device...\n");
handle = hid_open(0x04d8, 0x003f, NULL);
if(handle != NULL) {
printf("Opened device successfully.\n");
} else {
printf("Could not open device.\n");
exit(EXIT_FAILURE);
}
read_device_info();
toggle_led1();
printf("Button is %spressed.\n", get_push1_state() ? "" : "not ");
printf("The decimal result is %d\n", get_pot1_val());
// Register signal handler
if (signal(SIGINT, sig_handler) == SIG_ERR) {
printf("\nCan't catch SIGINT\n");
exit(EXIT_FAILURE);
}
// Enter ncurses mode
initialize_display();
// Main loop
while(1) {
int a;
a = (int)((100 / 1023.0) * get_pot1_val());
print_percent_bar(2, a);
refresh();
sleep(0.1);
}
// Leave ncurses mode
end_display();
// Unregister signal handler
signal(SIGINT, SIG_DFL);
// Finalize the hidapi library
res = hid_exit();
return 0;
}
int main()
{
//set LCD_PORT to OUTPUT and then ...
DDRB = 0xFF;
//.. do fancy stuff with the lcd
initialize_display();
set_cursor(0, 0);
write_string("Hello World!");
set_cursor(1,0);
write_string("Code written by:");
set_cursor(2,0);
write_string("Dave the Brave");
while(1)
{
asm volatile ("nop"); //do nothing (in a very explicit way)
}
return 0;
}
