void p3(void)
{
unsigned int b=11491255;
int a[5]={1,2,8,18,21};
clearBits(a, 5, &b);
printf("The result of clearing bits is %u\n", b);
}
NFA CreateSingleNFA (wchar_t c)
{
NFA nfa;
Edge e;
nfa = malloc (sizeof (struct Automaton));
assert(nfa);
/* 初始化nfa的Edge数组 */
nfa->edgeArray = allocEdgeArray(1);
/* 初始化nfa的Status状态数组 */
nfa->statusArray = allocStatusArray(2);
e = Array_get(nfa->edgeArray, 0);
clearBits(e);
addCharacter (e, c);
link_Two_Status_In_Automaton(nfa,0,1,0);
adjustStatusID(nfa);
ensureFinalStatus (nfa->end);
return nfa ;
}
unsigned int putByteNumber(int byteNo, unsigned char byteValue,
unsigned int source)
{ int low = byteNo * 8;
int high = low + 7;
source = clearBits(low, high, source);
unsigned int aByte = byteValue;
aByte = aByte << low;
return (source | aByte);
}
unsigned int assignOneBit(int bitNumber, int bitValue, unsigned int source)
{
if(bitValue == 0)
{
return clearBits(bitNumber, bitValue, source);
}
else if(bitValue == 1)
{
return setBits(bitNumber, bitNumber, source);
}
else return 0;
}
/**
* Eine Sekunde startet. Muss von einem externen
* Zeitgeber, z. B. einer RTC, aufgerufen werden.
*
* Zurueckgegeben wird ein Wahrheitswert.
* TRUE bedeutet, das Zeittelegramm wurde korrekt ausgewertet, die Zeitdaten
* koennen mit den Gettern abgerufen werden.
* FALSE bedeutet, die Auswertung laeuft oder war falsch, die Getter liefern
* alte Informationen.
*/
boolean MyDCF77::newSecond() {
boolean retVal = false;
if (_highcount != 0) {
// Daten
_meanvalues[_meanpointer] = _highcount;
_meanpointer++;
if (_meanpointer > MYDCF77_MEANCOUNT) {
_meanpointer = 0;
}
unsigned long average = 0;
for (byte i = 0; i < MYDCF77_MEANCOUNT; i++) {
average += _meanvalues[i];
}
average /= MYDCF77_MEANCOUNT;
DEBUG_PRINT(F("average = "));
DEBUG_PRINT(average);
DEBUG_PRINT(F("; highcount = "));
DEBUG_PRINT(_highcount);
if (_highcount > average) {
_bits[_bitsPointer] = 1;
DEBUG_PRINTLN(F("; HIGH"));
} else {
_bits[_bitsPointer] = 0;
DEBUG_PRINTLN(F("; LOW"));
}
_bitsPointer++;
if (_bitsPointer > MYDCF77_TELEGRAMMLAENGE) {
_bitsPointer = 0;
}
} else {
// Pause
DEBUG_PRINTLN(F("PAUSE"));
retVal = decode();
_bitsPointer = 0;
clearBits();
}
_highcount = 0;
return retVal;
}
/**
* Initialisierung mit dem Pin, an dem das Signal des Empfaengers anliegt
*/
MyDCF77::MyDCF77(byte signalPin, byte statusLedPin) {
_signalPin = signalPin;
#ifndef MYDCF77_SIGNAL_IS_ANALOG
pinMode(_signalPin, INPUT);
#endif
_statusLedPin = statusLedPin;
pinMode(_statusLedPin, OUTPUT);
digitalWrite(_statusLedPin, LOW);
clearBits();
for (byte i = 0; i < MYDCF77_MEANCOUNT; i++) {
_meanvalues[i] = MYDCF77_MEANSTARTVALUE;
}
_meanpointer = 0;
_highcount = 0;
}
oop* oldSpace::object_start(oop* p) {
// Find the page start
oop* q = p;
int b = (int) q;
clearBits(b, nthMask(card_shift));
q = (oop*) b;
assert(contains(q), "q must be in this space");
int index = (q - bottom()) / card_size_in_oops;
int offset = offset_array[index--];
while(offset == card_size_in_oops) {
q -= card_size_in_oops;
offset = offset_array[index--];
}
q -= offset;
oop* n = q;
assert((*n)->is_mark(), "check for header");
while (n <= p) {
q = n;
n += as_memOop(n)->size();
}
assert( as_memOop(q)->mark()->is_mark(), "Must be mark");
return q;
}
