/*
* Helper function for calculating PEC
*/
uint8_t LT_SMBus::calculate(uint8_t *data, uint8_t begining_value, uint8_t start_index, uint8_t length)
{
uint8_t i;
uint8_t ret_value = begining_value;
for (i = start_index; i < (start_index + length); i++)
{
ret_value = doCalculate(data[i], ret_value);
}
return ret_value;
}
int doCalculate(string S, string T) {
if (T.length() == 0)
return 1;
if (S.length() == 0)
return 0;
int num = 0;
for (int i = 0; i < S.length(); i++) {
if (S[i] == T[0]) {
num += doCalculate(S.substr(i + 1), T.substr(1));
}
}
return num;
}
