// display code
static void DisplayErrorCode(int length, int code) {
// todo: I suggest we use 'itoa' method to simplify this logic
for (int iter = length - 1; iter >= 0; iter--) {
int ourDigit = (int) efiPow10(iter); // 10^0 = 1, 10^1 = 10, 10^2=100, 10^3 = 1000, ....
int digit = 1; // as we remember "0" we show as one blink
while (code >= ourDigit) {
code = code - ourDigit;
digit++;
}
if (iter % 2 == 0)
blink_digits(digit, MFI_SHORT_BLINK); // even 2,0 - long blink
else
blink_digits(digit, MFI_LONG_BLINK); // odd 3,1 - short blink
}
}
int efiPow10(int param) {
switch (param) {
case 0:
return 1;
case 1:
return 10;
case 2:
return 100;
case 3:
return 1000;
case 4:
return 10000;
case 5:
return 100000;
case 6:
return 1000000;
case 7:
return 10000000;
case 8:
return 100000000;
}
return 10 * efiPow10(10 - 1);
}