void setup() {
pinMode(BOARD_BUTTON_PIN, INPUT);
comm.begin(9600);
comm.println("*** Beginning BKP test");
comm.println("Init...");
bkp_init();
comm.println("Done.");
print_bkp_contents();
write_to_bkp(10);
print_bkp_contents();
comm.println("Enabling backup writes.");
bkp_enable_writes();
write_to_bkp(20);
print_bkp_contents();
comm.println("Disabling backup writes.");
bkp_disable_writes();
write_to_bkp(30);
print_bkp_contents();
comm.println("Done testing backup registers; press button to enable "
"independent watchdog (in order to cause a reset).");
waitForButtonPress(0);
iwdg_init(IWDG_PRE_4, 1);
comm.println();
}
void BKP::disable(void){
bkp_disable_writes();
}