本文整理汇总了C++中CLRBIT函数的典型用法代码示例。如果您正苦于以下问题：C++ CLRBIT函数的具体用法？C++ CLRBIT怎么用？C++ CLRBIT使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了CLRBIT函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: setup_fm
void setup_fm()
{
/* open /dev/mem */
if ((mem_fd = open("/dev/mem", O_RDWR|O_SYNC) ) < 0) {
printf("can't open /dev/mem \n");
exit (-1);
}
allof7e = (unsigned *)mmap(
NULL,
0x01000000, //len
PROT_READ|PROT_WRITE,
MAP_SHARED,
mem_fd,
0x20000000 //base
);
if ((int)allof7e==-1) exit(-1);
SETBIT(GPFSEL0 , 14);
CLRBIT(GPFSEL0 , 13);
CLRBIT(GPFSEL0 , 12);
struct GPCTL setupword = {6/*SRC*/, 1, 0, 0, 0, 1,0x5a};
ACCESS(CM_GP0CTL) = *((int*)&setupword);
}
开发者ID:valenting，项目名称:SoundBerryer，代码行数:29，代码来源:pifm.c
示例2: fibre_create
void fibre_create(coStData *regs, fibreType rAdd, int stackSize, char *stackPointer)
{
CLRBIT(regs->flags, JMPBIT); // = JMPFROMMAINw
CLRBIT(regs->flags, CALLSTATUS); // = CALL
CLRBIT(regs->flags, FINISHED);
SETBIT(regs->flags, SHEDULED);
regs->retAdd = rAdd;
regs->mallocStack = stackPointer;
regs->sp = regs->mallocStack + (stackSize - 1);
//regs->sp = regs->mallocStack + (stackSize);
/*
#ifdef __AVR__
*((coStData **)(regs->sp - sizeof(arg))) = arg;
*((coStData **)(regs->sp - sizeof(arg) - sizeof(regs))) = regs;
regs->sp -= 2;
#elif defined(X86)
//Copy the arguments a user might want, onto the stack
regs->sp -= sizeof(arg);
*((coStData **)regs->sp) = arg;
//copy a pointer to the specific routine's reg data structure
//onto it's stack so it's passed in as an argument
regs->sp -= sizeof(coStData *);
//I think this will always be on aligned data, but must double check, otherwise
//it'll cause a bus error on some architechtures if it's not aligned
*((coStData **)regs->sp) = regs;
#endif
*/
}
开发者ID:scuzzycheese，项目名称:micro，代码行数:30，代码来源:web.c
示例3: xio_1134_papertape
void xio_1134_papertape (int32 iocc_addr, int32 iocc_func, int32 iocc_mod)
{
char msg[80];
switch (iocc_func) {
case XIO_READ: /* read: return last character read */
M[iocc_addr & mem_mask] = (uint16) (ptr_char << 8);
break;
case XIO_WRITE: /* write: initiate punch operation */
if ((ptr_dsw & PTR1134_DSW_PUNCH_NOT_READY) == 0 && IS_ONLINE(ptp_unit)) {
putc((M[iocc_addr & mem_mask] >> 8) & 0xFF, ptp_unit->fileref);
ptp_unit->pos++;
}
sim_activate(ptp_unit, ptp_wait); /* schedule interrupt */
SETBIT(ptr_dsw, PTR1134_DSW_PUNCH_NOT_READY | PTR1134_DSW_PUNCH_BUSY);
break;
case XIO_SENSE_DEV: /* sense device status */
ACC = ptr_dsw;
if (iocc_mod & 0x01) { /* reset interrupts */
CLRBIT(ptr_dsw, PTR1134_DSW_READER_RESPONSE | PTR1134_DSW_PUNCH_RESPONSE);
CLRBIT(ILSW[4], ILSW_4_1134_TAPE);
}
break;
case XIO_CONTROL: /* control: initiate character read */
sim_activate(ptr_unit, ptr_wait); /* schedule interrupt */
SETBIT(ptr_dsw, PTR1134_DSW_READER_BUSY | PTR1134_DSW_READER_NOT_READY);
break;
default:
sprintf(msg, "Invalid 1134 reader/1055 punch XIO function %x", iocc_func);
xio_error(msg);
}
开发者ID:jehurodrig，项目名称:simh-pre-git，代码行数:35，代码来源:ibm1130_ptrp.c
示例4: dataflash_init
void dataflash_init()
{
CLRBIT(DATAFLASH_DDR,DATAFLASH_MISO);
SETBIT(DATAFLASH_DDR,DATAFLASH_RESET);
SETBIT(DATAFLASH_DDR,DATAFLASH_CS);
SETBIT(DATAFLASH_DDR,DATAFLASH_MOSI);
SETBIT(DATAFLASH_DDR,DATAFLASH_SCK);
SETBIT(DATAFLASH_DDR,PB0); //output or else master gets stopped
CLRBIT(DATAFLASH_PORT,DATAFLASH_RESET); //reset
asm("nop");
asm("nop");
SETBIT(DATAFLASH_PORT,DATAFLASH_RESET); //reset
SETBIT(DATAFLASH_PORT,PB0); //output or else master gets stopped
SETBIT(DATAFLASH_PORT,DATAFLASH_CS); //dataflash not selected
/* Enable SPI, Master, set clock rate fck/16 */
// SPCR = (1<<SPE) | (1<<MSTR) | (1<< SPR0);
SPCR = 0x5C; //SPI mode 3
SPSR = (1<<SPI2X);
// SPCR |= (1<< SPR0);
}
开发者ID:Fidel10，项目名称:antipasto_cores，代码行数:26，代码来源:dataflash.c
示例5: _IIC_GenerateDisable
//----关闭IIC模块-----------------------------------------------------------
//功能: 关闭IIC模块，禁止中断(本函数并不产生停止时序)
//参数: reg,iic外设寄存器基址
//返回: 无
//--------------------------------------------------------------------------
void _IIC_GenerateDisable(volatile tagI2CReg *reg)
{
CLRBIT(reg->rTWIIMASK, TWITXINT); //disable TX FIFO service interrupts
CLRBIT(reg->rTWIIMASK, TWIRXINT); //disable RX FIFO service interrupts
CLRBIT(reg->rTWIIMASK, TWIMCOM);
CLRBIT(reg->rTWIMITR, TWIEN);
}
开发者ID:jiankangshiye，项目名称:DJYOS，代码行数:12，代码来源:cpu_peri_iic.c
示例6: jackpifm_setup_fm
int jackpifm_setup_fm() {
/* open /dev/mem */
if ((mem_fd = open("/dev/mem", O_RDWR|O_SYNC) ) < 0) {
fprintf(stderr, "Can't open /dev/mem: %s\n", strerror(errno));
return 1;
}
allof7e = (unsigned *)mmap(
NULL,
0x01000000, //len
PROT_READ|PROT_WRITE,
MAP_SHARED,
mem_fd,
0x20000000 //base
);
if ((int)allof7e==-1) return 1;
SETBIT(GPFSEL0 , 14);
CLRBIT(GPFSEL0 , 13);
CLRBIT(GPFSEL0 , 12);
struct GPCTL setupword = {6/*SRC*/, 1, 0, 0, 0, 1,0x5a};
ACCESS(CM_GP0CTL) = *((int*)(&setupword));
return 0;
}
开发者ID:jmendeth，项目名称:jackpifm，代码行数:26，代码来源:outputter.c
示例7: oled_status
//*******************************************************************************
unsigned int oled_status()
{
//unsigned char low, med, high;
unsigned char lB;
volatile unsigned int result;
OLED_DATA_LOW_DDR = 0x00; //in
OLED_DATA_MED_DDR = 0x00; //in
OLED_DATA_HIGH_DDR = 0x00; //in
CLRBIT(OLED_CTRL_PORT,OLED_DC);
CLRBIT(OLED_CTRL_PORT,OLED_CS);
CLRBIT(OLED_CTRL_PORT,OLED_RD);
lB = OLED_DATA_LOW_PIN >> 3;
lB |= (OLED_DATA_MED_PIN>>2) << 6;
//hB = (OLED_DATA_MED_PIN<<1) >> 6;
SETBIT(OLED_CTRL_PORT,OLED_RD);
SETBIT(OLED_CTRL_PORT,OLED_CS);
SETBIT(OLED_CTRL_PORT,OLED_DC);
OLED_DATA_LOW_DDR = 0xFF; //output
OLED_DATA_MED_DDR = 0xFF; //output
OLED_DATA_HIGH_DDR = 0xFF; //output
//result = (hB << 8) + lB;
result = lB;
return result;
}
开发者ID:GandalfGecko，项目名称:antipasto_arduino，代码行数:32，代码来源:oled_slide.c
示例8: stealth_arduino_reset
void
stealth_arduino_reset()
{
CLRBIT(ARDUINO_RESET_PORT, ARDUINO_RESET_PIN);
//arduino in reset
CLRBIT(ARDUINO_TX_ENABLE_PORT, ARDUINO_TX_ENABLE_PIN);
//Drive TX buffer
}
开发者ID:liquidware，项目名称:arduino_cores_touchshield，代码行数:8，代码来源:board_stealth.c
示例9: kbCheckStatus
void kbCheckStatus() {
if ( p_keyboard->BufPos <= KB_BUFFER_MIN_POS ) {
SETBIT( p_keyboard->status , KB_BUFFER_EMPTY );
} else {
CLRBIT( p_keyboard->status , KB_BUFFER_EMPTY );
}
if ( p_keyboard->BufPos >= KB_BUFFER_SIZE ) {
SETBIT( p_keyboard->status , KB_BUFFER_FULL );
} else {
CLRBIT( p_keyboard->status , KB_BUFFER_FULL );
}
}
开发者ID:IlGuru，项目名称:Console，代码行数:12，代码来源:keyboard.c
示例10: beginSerial
void beginSerial(unsigned long baud)
{
//disable hardware UART
CLRBIT(UCSR0B,RXEN0);
CLRBIT(UCSR0B,TXEN0);
SETBIT(RXTX_PORT, TX_PIN); //idle state
SETBIT(RXTX_DDR, TX_PIN); //output
CLRBIT(RXTX_DDR, RX_PIN); //input
sei();
}
开发者ID:liquidware，项目名称:arduino_cores_touchshield，代码行数:12，代码来源:wiring_serial_Stealth.c
示例11: initUart
/*
* set BAUD
* Databits 8
*/
extern void initUart(void) {
SETBIT(P1SEL, (RX_UART1 + TX_UART1)); /* P1.1 - RXD and P1.2 - TXD */
SETBIT(P1SEL2, (RX_UART1 + TX_UART1));
SETBIT(UCA0CTL1, (UCSSEL_2 + UCSWRST)); /* SMCLK */
CLRBIT(UCA0CTL1, UC7BIT); /* 8-bit data */
/* 8x0.66666667 = 5, 0x5b, http://www.glitovsky.com/Tutorialv0_3.pdf page 87 */
UCA0BR0 = USCI_BR0_VAL;
UCA0BR1 = USCI_BR1_VAL;
UCA0MCTL = USCI_BRS_VAL; /* http://embedded-funk.net/writing-c-code-smartly-1-using-your-c-preprocessor-as-your-calculator */
CLRBIT(UCA0CTL1, UCSWRST); /* Take UCA0 out of reset */
SETBIT(IE2, UCA0RXIE); /* Enable USCI_A0 RX interrupt */
}
开发者ID:eckehart007，项目名称:LampDimmerControl，代码行数:17，代码来源:UartAndClock.c
示例12: redistribute
/*
* Redistributes elements in the neighborhood evenly.
* If insert is 1, inserts elem into the packed memory
* array during the redistribution.
*/
void redistribute(PMA* pma, int* nbrhd, int insert, int elem){
double dist = (nbrhd[1] - nbrhd[0]) / (double)nbrhd[2];
int* temp = (int*) malloc(sizeof(int) * nbrhd[2]);
int count = 0;
int cur = nbrhd[0] - 1;
/* Copy everything to a separate array. This is simpler
than topological sorting. */
while (count < nbrhd[2]){
cur = next_greater(pma, cur);
if (insert && (cur >= nbrhd[1] || cur == -1 || elem < pma->array[cur])){
temp[count] = elem;
insert = 0;
count++;
}
if (cur < nbrhd[1] && cur != -1){
temp[count] = pma->array[cur];
CLRBIT(pma->bitmap, cur);
count++;
}
}
for (count = 0; count < nbrhd[2]; count++){
pma->array[nbrhd[0] + (int)(count * dist)] = temp[count];
SETBIT(pma->bitmap, nbrhd[0] + (int)(count * dist));
}
free(temp);
}
开发者ID:encyclopedea，项目名称:PackedMemoryArray，代码行数:36，代码来源:pkd_mem_arr.c
示例13: hc595_Write
//Private Variables
void hc595_Write(uint_t nPin, uint_t nHL)
{
static uint_t hc595_nStatus = 0x00;
uint_t i, nTemp;
if (nHL)
CLRBIT(hc595_nStatus, nPin);
else
SETBIT(hc595_nStatus, nPin);
hc595_RCK(0);
hc595_OE(0);
nTemp = hc595_nStatus;
for(i = 0; i < 8; i++)
{
hc595_Clk(0);
if((nTemp&0x80)==0)
hc595_SER(1);
else
hc595_SER(0);
hc595_Clk(1);
nTemp <<= 1;
}
hc595_RCK(1);
hc595_OE(0);
}
开发者ID:comrid1987，项目名称:jb3500，代码行数:27，代码来源:hc595.c
示例14: dataflash_program_page
void dataflash_program_page(unsigned char * page_buff, unsigned int page_num)
{
unsigned char p=0;
dataflash_clear_buff();
dataflash_write_buff(&page_buff[0]);
//--Program the page
CLRBIT(DATAFLASH_PORT,DATAFLASH_CS); //select dataflash
// dataflash_out(0x88);
dataflash_out(0x83);
p= page_num>>6;
dataflash_out(p);
p= page_num<<2;
dataflash_out(p);
dataflash_out(0); //don't c
SETBIT(DATAFLASH_PORT,DATAFLASH_CS); //Deselect flash chip
// delay_ms(30); //wait until programmed
while(dataflash_checkStatus() == DATAFLASH_BUSY) {;} //wait until erased
}
开发者ID:Fidel10，项目名称:antipasto_cores，代码行数:29，代码来源:dataflash.c
示例15: mark_not_coded
int mark_not_coded(unsigned char *p, unsigned n, unsigned nti)
{
unsigned sc;
resetbits(0);
if ((sc = nextbits(p, 32)) == SC_GVOP) {
while (currentpos() < n - 4) {
if (nextbits(p, 32) == SC_VOP) goto VOP;
resetbits(currentpos() - 3);
}
goto NO_VOP;
}
if (sc != SC_VOP) goto X;
VOP:
nextbits(p, 2); /* VOP type */
skipbits(p, 1); /* modulo_time_base */
if (!nextbits(p, 1)) goto X; /* marker bit */
nextbits(p, nti); /* vop_time_increment */
if (!nextbits(p, 1)) goto X; /* marker bit */
CLRBIT(p[pos_], bit_ - 1); /* set VOP not coded */
if (nextbits(p, 1)) goto X; /* VOP coded ? */
NO_VOP:
return currentpos();
X: return 0;
}
开发者ID:anthcp，项目名称:evalvid-2.7，代码行数:27，代码来源:bits.c
示例16: efe_intr_disable
void
efe_intr_disable(efe_t *efep)
{
PUTCSR(efep, CSR_INTMASK, 0);
CLRBIT(efep, CSR_GENCTL, GENCTL_INT);
}
开发者ID:metricinc，项目名称:illumos-gate，代码行数:7，代码来源:efe.c
示例17: conf_parse_runlevels
/* Convert optional "[!123456789S]" string into a bitmask */
int conf_parse_runlevels(char *runlevels)
{
int i, not = 0, bitmask = 0;
if (!runlevels)
runlevels = "[234]";
i = 1;
while (i) {
int level;
char lvl = runlevels[i++];
if (']' == lvl || 0 == lvl)
break;
if ('!' == lvl) {
not = 1;
bitmask = 0x3FE;
continue;
}
if ('s' == lvl || 'S' == lvl)
lvl = '0';
level = lvl - '0';
if (level > 9 || level < 0)
continue;
if (not)
CLRBIT(bitmask, level);
else
SETBIT(bitmask, level);
}
return bitmask;
}
开发者ID:troglobit，项目名称:finit，代码行数:35，代码来源:conf.c
示例18: KeyShiftRight
static void KeyShiftRight( unsigned char *key, const int numbits )
{
int i;
unsigned char keep = key[6];
for (i = 0; i < numbits; i++)
{
int j;
for (j = 6; j >= 0; j--)
{
if (j!=6 && (key[j] & 0x01))
key[j+1] |= 0x80;
key[j] >>= 1;
}
if (GETBIT( key, 28 ))
{
CLRBIT( key, 28 );
SETBIT( key, 0 );
}
if (keep & 0x01)
SETBIT( key, 28 );
keep >>= 1;
}
}
开发者ID:WASSUM，项目名称:longene_travel，代码行数:28，代码来源:crypt_des.c
示例19: KeyShiftLeft
static void KeyShiftLeft( unsigned char *key, const int numbits )
{
int i;
unsigned char keep = key[0];
for (i = 0; i < numbits; i++)
{
int j;
for (j = 0; j < 7; j++)
{
if (j && (key[j] & 0x80))
key[j-1] |= 0x01;
key[j] <<= 1;
}
if (GETBIT( key, 27 ))
{
CLRBIT( key, 27 );
SETBIT( key, 55 );
}
if (keep & 0x80)
SETBIT( key, 27 );
keep <<= 1;
}
}
开发者ID:WASSUM，项目名称:longene_travel，代码行数:28，代码来源:crypt_des.c
示例20: small_free
int
small_free(void *ptr)
{
__malloc_chunk_t *chunk = 0;
__malloc_chunk_t *prev, *curr;
int i;
/* see if the ptr is on one of our lists */
for (i = 0; i < NUM_CHUNK_LISTS; i++) {
chunk = malloc_chunks[i];
while (chunk) {
if ((void *) ptr > (void *) chunk && ptr < (void *) (chunk + 1)) {
/* yup, it was in our memory region */
goto found_it;
}
chunk = chunk->next;
}
}
/* nope -- didn't find it */
return 0;
found_it:
/* which bit should we clear? */
i = ((int) ptr - (int) chunk - 8) / chunk->size;
CLRBIT(chunk->bitmap, i);
if (chunk->bitmap == 0) {
/* we can add this chunk to the free list */
i = get_chunk_list(chunk->size);
prev = 0;
curr = malloc_chunks[i];
/* find the chunk in it's list */
while (curr && curr != chunk) {
prev = curr;
curr = curr->next;
}
/* unlink */
if (prev == 0) {
/* chunk was at head of list */
malloc_chunks[i] = curr->next;
} else {
prev->next = curr->next;
}
/* add to head of free list */
chunk->next = free_chunks;
free_chunks = chunk;
}
return 1;
}
开发者ID:dgryski，项目名称:trifles，代码行数:59，代码来源:malloc.c
注：本文中的CLRBIT函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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