| 26 | |
| 27 | |
| 28 | void Fletcher16::add(uint8_t value) |
| 29 | { |
| 30 | _count++; |
| 31 | #if defined(ARDUINO_ARCH_AVR) |
| 32 | uint8_t t = 0xFF - value; |
| 33 | if (t >= _s1) _s1 += value; |
| 34 | else _s1 = _s1 + value + 1; |
| 35 | |
| 36 | t = 0xFF - _s1; |
| 37 | if (t >= _s2) _s2 += _s1; |
| 38 | else _s2 = _s2 + _s1 + 1; |
| 39 | |
| 40 | #elif defined(ARDUINO_ARCH_SAMD) || defined(ESP32) || defined(ESP8266) |
| 41 | _s1 += value; |
| 42 | _s1 = (_s1 & FLETCHER_16) + (_s1 >> 8); |
| 43 | _s2 += _s1; |
| 44 | _s2 = (_s2 & FLETCHER_16) + (_s2 >> 8); |
| 45 | |
| 46 | #else |
| 47 | // REFERENCE |
| 48 | _s1 += value; |
| 49 | if (_s1 >= FLETCHER_16) _s1 -= FLETCHER_16; |
| 50 | _s2 += _s1; |
| 51 | if (_s2 >= FLETCHER_16) _s2 -= FLETCHER_16; |
| 52 | #endif |
| 53 | } |
| 54 | |
| 55 | |
| 56 | void Fletcher16::add(const uint8_t * array, uint16_t length) |
no outgoing calls