// set character
sprintf(tmp++, "%u", data[in_index]);
// check if a line break is needed and we have room to print it in our array
// set character
sprintf(tmp++, "%u", data[in_index]);
// check if a line break is needed and we have room to print it in our array
void rol(uint8_t *data, const size_t len){
uint8_t first = data[0];
for (size_t i = 0; i < len-1; i++) {
void rol(uint8_t *data, const size_t len){
uint8_t first = data[0];
for (size_t i = 0; i < len-1; i++) {