void scanf_cmd(char *argv[], int argc) {
int n;
char vec[SCANF_MAX_STR_BUFFER];
printf("Welcome to scanf user test:\n ");
printf("And so, the trial begins...\n");
printf("Please type in a number: \n");
scanf("%d", &n);
printf("You typed in: %d\n\n", n);
reset_vect(vec);
printf("Trial number 2...type in a short text: ");
scanf("%s", vec);
printf("You typed in: %s\n\n", vec);
reset_vect(vec);
printf("Trial number 3...Please type in a single character: ");
scanf("%c", vec);
printf("\nYou typed: %c\n\n", vec[0]);
reset_vect(vec);
printf("And so, the final trial begins:\n");
printf("Are you ready? Type in Y or N\n");
scanf("%s", vec);
reset_vect(vec);
printf(" Actually your response was irrelevant, proceeding with last trial...\n ");
printf("Type in string format, your credit card number followed by verification code\n" );
scanf("%s", vec);
printf("\nYour fake card data was: %s\n\n", vec);
reset_vect(vec);
}
int main(void){
// Pull up pin to test if it's being pulled low
CHECK_PORT.DIR = 0;
CHECK_PORT.PINCTRL(CHECK_PIN) = PORT_OPC_PULLUP_gc;
_delay_us(100);
if (!(CHECK_PORT.IN & (1<<CHECK_PIN)) // If the specified pin is pulled LOW
|| pgm_read_word(0) == 0xFFFF // Get the value of the reset vector. If it's unprogrammed, we know
// there's nothing useful in app flash
|| (RST.STATUS & RST_SRF_bm && bootloaderflag == BOOTLOADER_MAGIC) // If the app code reset into the bootloader
){
bootloaderflag = 0;
runBootloader();
}
// Otherwise, clean up and jump to the app
RST.STATUS = RST_SRF_bm;
bootloaderflag = 0;
//CHECK_PORT.PIN0CTRL = 0;
CHECK_PORT.PINCTRL(CHECK_PIN) = 0;
LED_PORT.PIN0CTRL = 0;
EIND = 0x00;
void (*reset_vect)( void ) = 0x000000;
reset_vect();
}
