本文整理汇总了C++中cardCommand函数的典型用法代码示例。如果您正苦于以下问题:C++ cardCommand函数的具体用法?C++ cardCommand怎么用?C++ cardCommand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cardCommand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: pinMode
/**
* Initialize a SD flash memory card.
*
* \param[in] slow Set SPI Frequency F_CPU/4 if true else F_CPU/2.
*
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*
*/
uint8_t SdCard::init(uint8_t slow)
{
pinMode(SS, OUTPUT);
spiSSHigh();
pinMode(MOSI, OUTPUT);
pinMode(SCK, OUTPUT);
//Enable SPI, Master, clock rate F_CPU/128
SPCR = (1 << SPE) | (1 << MSTR) | (1 << SPR1) | (1 << SPR0);
//must supply min of 74 clock cycles with CS high.
for (uint8_t i = 0; i < 10; i++) spiSend(0XFF);
spiSSLow();
// next line prevent re-init hang by some cards (not sure why this works)
for (uint16_t i = 0; i <= 512; i++) spiRec();
uint8_t r = cardCommand(CMD0, 0);
for (uint16_t retry = 0; r != R1_IDLE_STATE; retry++){
if (retry == 10000) {
error(SD_ERROR_CMD0, r);
return false;
}
r = spiRec();
}
for (uint16_t retry = 0; ; retry++) {
cardCommand(CMD55, 0);
if ((r = cardCommand(ACMD41, 0)) == R1_READY_STATE)break;
if (retry == 1000) {
error(SD_ERROR_ACMD41, r);
return false;
}
}
// set SPI frequency
SPCR &= ~((1 << SPR1) | (1 << SPR0)); // F_CPU/4
if (!slow) SPSR |= (1 << SPI2X); // Doubled Clock Frequency to F_CPU/2
spiSSHigh();
return true;
}
开发者ID:enderdsus7,项目名称:arduino-fermentation-controller,代码行数:44,代码来源:SdCard.cpp
示例2: SD_TRACE
//------------------------------------------------------------------------------
bool SdSpiCard::writeBlock(uint32_t blockNumber, const uint8_t* src) {
SD_TRACE("WB", blockNumber);
// use address if not SDHC card
if (type() != SD_CARD_TYPE_SDHC) {
blockNumber <<= 9;
}
if (cardCommand(CMD24, blockNumber)) {
error(SD_CARD_ERROR_CMD24);
goto fail;
}
if (!writeData(DATA_START_BLOCK, src)) {
goto fail;
}
#if CHECK_FLASH_PROGRAMMING
// wait for flash programming to complete
if (!waitNotBusy(SD_WRITE_TIMEOUT)) {
error(SD_CARD_ERROR_WRITE_TIMEOUT);
goto fail;
}
// response is r2 so get and check two bytes for nonzero
if (cardCommand(CMD13, 0) || spiReceive()) {
error(SD_CARD_ERROR_CMD13);
goto fail;
}
#endif // CHECK_PROGRAMMING
spiStop();
return true;
fail:
spiStop();
return false;
}
开发者ID:ErikWegner,项目名称:arduino_sketches,代码行数:36,代码来源:SdSpiCard.cpp
示例3: error
/**
* Writes a 512 byte block to an SD card.
*
* \param[in] blockNumber Logical block to be written.
* \param[in] src Pointer to the location of the data to be written.
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*/
uint8_t Sd2Card::writeBlock(uint32_t blockNumber, const uint8_t* src) {
#if SD_PROTECT_BLOCK_ZERO
// don't allow write to first block
if (blockNumber == 0) {
error(SD_CARD_ERROR_WRITE_BLOCK_ZERO);
goto fail;
}
#endif // SD_PROTECT_BLOCK_ZERO
// use address if not SDHC card
if (type() != SD_CARD_TYPE_SDHC) blockNumber <<= 9;
if (cardCommand(CMD24, blockNumber)) {
error(SD_CARD_ERROR_CMD24);
goto fail;
}
if (!writeData(DATA_START_BLOCK, src)) goto fail;
// wait for flash programming to complete
if (!waitNotBusy(SD_WRITE_TIMEOUT)) {
error(SD_CARD_ERROR_WRITE_TIMEOUT);
goto fail;
}
// response is r2 so get and check two bytes for nonzero
if (cardCommand(CMD13, 0) || spiRec()) {
error(SD_CARD_ERROR_WRITE_PROGRAMMING);
goto fail;
}
chipSelectHigh();
return true;
fail:
chipSelectHigh();
return false;
}
开发者ID:JacobChrist,项目名称:chipKIT32-MAX,代码行数:42,代码来源:Sd2Card.cpp
示例4: error
/** Erase a range of blocks.
*
* \param[in] firstBlock The address of the first block in the range.
* \param[in] lastBlock The address of the last block in the range.
*
* \note This function requests the SD card to do a flash erase for a
* range of blocks. The data on the card after an erase operation is
* either 0 or 1, depends on the card vendor. The card must support
* single block erase.
*
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*/
bool Sd2Card::erase(uint32_t firstBlock, uint32_t lastBlock) {
csd_t csd;
if (!readCSD(&csd)) goto fail;
// check for single block erase
if (!csd.v1.erase_blk_en) {
// erase size mask
uint8_t m = (csd.v1.sector_size_high << 1) | csd.v1.sector_size_low;
if ((firstBlock & m) != 0 || ((lastBlock + 1) & m) != 0) {
// error card can't erase specified area
error(SD_CARD_ERROR_ERASE_SINGLE_BLOCK);
goto fail;
}
}
if (type_ != SD_CARD_TYPE_SDHC) {
firstBlock <<= 9;
lastBlock <<= 9;
}
if (cardCommand(CMD32, firstBlock)
|| cardCommand(CMD33, lastBlock)
|| cardCommand(CMD38, 0)) {
error(SD_CARD_ERROR_ERASE);
goto fail;
}
if (!waitNotBusy(SD_ERASE_TIMEOUT)) {
error(SD_CARD_ERROR_ERASE_TIMEOUT);
goto fail;
}
chipSelectHigh();
return true;
fail:
chipSelectHigh();
return false;
}
开发者ID:Kazuyoko,项目名称:MarlinKimbra4due,代码行数:47,代码来源:Sd2Card.cpp
示例5: error
/** Erase a range of blocks.
\param[in] firstBlock The address of the first block in the range.
\param[in] lastBlock The address of the last block in the range.
\note This function requests the SD card to do a flash erase for a
range of blocks. The data on the card after an erase operation is
either 0 or 1, depends on the card vendor. The card must support
single block erase.
\return The value one, true, is returned for success and
the value zero, false, is returned for failure.
*/
uint8_t Sd2Card::erase(uint32_t firstBlock, uint32_t lastBlock)
{
if (!eraseSingleBlockEnable())
{
error(SD_CARD_ERROR_ERASE_SINGLE_BLOCK);
goto fail;
}
if (type_ != SD_CARD_TYPE_SDHC)
{
firstBlock <<= 9;
lastBlock <<= 9;
}
if (cardCommand(CMD32, firstBlock)
|| cardCommand(CMD33, lastBlock)
|| cardCommand(CMD38, 0))
{
error(SD_CARD_ERROR_ERASE);
goto fail;
}
if (!waitNotBusy(SD_ERASE_TIMEOUT))
{
error(SD_CARD_ERROR_ERASE_TIMEOUT);
goto fail;
}
chipSelectHigh();
return true;
fail:
chipSelectHigh();
return false;
}
开发者ID:rei-vilo,项目名称:SD_TM4C,代码行数:44,代码来源:Sd2Card.cpp
示例6: sdError
//-----------------------------------------------------------------------------
bool SdioCard::erase(uint32_t firstBlock, uint32_t lastBlock) {
// check for single block erase
if (!m_csd.v1.erase_blk_en) {
// erase size mask
uint8_t m = (m_csd.v1.sector_size_high << 1) | m_csd.v1.sector_size_low;
if ((firstBlock & m) != 0 || ((lastBlock + 1) & m) != 0) {
// error card can't erase specified area
return sdError(SD_CARD_ERROR_ERASE_SINGLE_BLOCK);
}
}
if (!m_highCapacity) {
firstBlock <<= 9;
lastBlock <<= 9;
}
if (!cardCommand(CMD32_XFERTYP, firstBlock)) {
return sdError(SD_CARD_ERROR_CMD32);
}
if (!cardCommand(CMD33_XFERTYP, lastBlock)) {
return sdError(SD_CARD_ERROR_CMD33);
}
if (!cardCommand(CMD38_XFERTYP, 0)) {
return sdError(SD_CARD_ERROR_CMD38);
}
if (waitTimeout(isBusyCMD13)) {
return sdError(SD_CARD_ERROR_ERASE_TIMEOUT);
}
return true;
}
开发者ID:ArduinoNanoV3,项目名称:ArduinoNanoV3,代码行数:29,代码来源:SdioTeensy.cpp
示例7: writeData
/** Start a write multiple blocks sequence.
\param[in] blockNumber Address of first block in sequence.
\param[in] eraseCount The number of blocks to be pre-erased.
\note This function is used with writeData() and writeStop()
for optimized multiple block writes.
\return The value one, true, is returned for success and
the value zero, false, is returned for failure.
*/
uint8_t Sd2Card::writeStart(uint32_t blockNumber, uint32_t eraseCount)
{
#if SD_PROTECT_BLOCK_ZERO
// don't allow write to first block
if (blockNumber == 0)
{
error(SD_CARD_ERROR_WRITE_BLOCK_ZERO);
goto fail;
}
#endif // SD_PROTECT_BLOCK_ZERO
// send pre-erase count
if (cardAcmd(ACMD23, eraseCount))
{
error(SD_CARD_ERROR_ACMD23);
goto fail;
}
// use address if not SDHC card
if (type() != SD_CARD_TYPE_SDHC)
{
blockNumber <<= 9;
}
if (cardCommand(CMD25, blockNumber))
{
error(SD_CARD_ERROR_CMD25);
goto fail;
}
return true;
fail:
chipSelectHigh();
return false;
}
开发者ID:rei-vilo,项目名称:SD_TM4C,代码行数:43,代码来源:Sd2Card.cpp
示例8: error
/**
* Read part of a 512 byte block from a SD card.
*
* \param[in] block Logical block to be read.
* \param[in] offset Number of bytes to skip at start of block
* \param[out] dst Pointer to the location that will receive the data.
* \param[in] count Number of bytes to read
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*/
uint8_t Sd2Card::readData(uint32_t block, uint16_t offset, uint8_t *dst, uint16_t count)
{
if (count == 0) return true;
if ((count + offset) > 512) {
return false;
}
if (!inBlock_ || block != block_ || offset < offset_) {
block_ = block;
//use address if not SDHC card
if (type()!= SD_CARD_TYPE_SDHC) block <<= 9;
if (cardCommand(CMD17, block)) {
error(SD_CARD_ERROR_CMD17);
return false;
}
if (!waitStartBlock()) {
return false;
}
offset_ = 0;
inBlock_ = 1;
}
#ifdef OPTIMIZE_HARDWARE_SPI
//start first spi transfer
SPDR = 0XFF;
//skip data before offset
for (;offset_ < offset; offset_++) {
while(!(SPSR & (1 << SPIF)));
SPDR = 0XFF;
}
//transfer data
uint16_t n = count - 1;
for (uint16_t i = 0; i < n; i++) {
while(!(SPSR & (1 << SPIF)));
dst[i] = SPDR;
SPDR = 0XFF;
}
// wait for last byte
while(!(SPSR & (1 << SPIF)));
dst[n] = SPDR;
#else // OPTIMIZE_HARDWARE_SPI
// skip data before offset
for (;offset_ < offset; offset_++) {
spiRec();
}
//transfer data
for (uint16_t i = 0; i < count; i++) {
dst[i] = spiRec();
}
#endif // OPTIMIZE_HARDWARE_SPI
offset_ += count;
if (!partialBlockRead_ || offset_ >= 512) readEnd();
return true;
}
开发者ID:natetarrh,项目名称:rfid,代码行数:70,代码来源:Sd2Card.cpp
示例9: isBusyCMD13
//-----------------------------------------------------------------------------
static bool isBusyCMD13() {
if (!cardCommand(CMD13_XFERTYP, m_rca)) {
// Caller will timeout.
return true;
}
return !(SDHC_CMDRSP0 & CARD_STATUS_READY_FOR_DATA);
}
开发者ID:ArduinoNanoV3,项目名称:ArduinoNanoV3,代码行数:8,代码来源:SdioTeensy.cpp
示例10: readBlock
/**
* Reads a 512 byte block from a storage device.
*
* \param[in] blockNumber Logical block to be read.
* \param[out] dst Pointer to the location that will receive the data.
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*/
uint8_t SdCard::readBlock(uint32_t blockNumber, uint8_t *dst)
{
if (cardCommand(CMD17, blockNumber << 9)) {
error(SD_ERROR_CMD17);
return false;
}
return readTransfer(dst, 512);
}
开发者ID:enderdsus7,项目名称:arduino-fermentation-controller,代码行数:16,代码来源:SdCard.cpp
示例11: readReg
uint8_t SdCard::readReg(uint8_t cmd, uint8_t *dst)
{
if (cardCommand(cmd, 0)) {
spiSSHigh();
return false;
}
return readTransfer(dst, 16);
}
开发者ID:enderdsus7,项目名称:arduino-fermentation-controller,代码行数:8,代码来源:SdCard.cpp
示例12: readData
/** read CID or CSR register */
bool Sd2Card::readRegister(uint8_t cmd, void* buf) {
uint8_t* dst = reinterpret_cast<uint8_t*>(buf);
if (cardCommand(cmd, 0)) {
error(SD_CARD_ERROR_READ_REG);
goto fail;
}
return readData(dst, 16);
fail:
chipSelectHigh();
return false;
}
开发者ID:Kazuyoko,项目名称:MarlinKimbra4due,代码行数:13,代码来源:Sd2Card.cpp
示例13: readReg16
//-----------------------------------------------------------------------------
// Read 16 byte CID or CSD register.
static bool readReg16(uint32_t xfertyp, void* data) {
uint8_t* d = reinterpret_cast<uint8_t*>(data);
if (!cardCommand(xfertyp, m_rca)) {
return false; // Caller will set errorCode.
}
uint32_t sr[] = {SDHC_CMDRSP0, SDHC_CMDRSP1, SDHC_CMDRSP2, SDHC_CMDRSP3};
for (int i = 0; i < 15; i++) {
d[14 - i] = sr[i/4] >> 8*(i%4);
}
d[15] = 0;
return true;
}
开发者ID:ArduinoNanoV3,项目名称:ArduinoNanoV3,代码行数:14,代码来源:SdioTeensy.cpp
示例14: readStop
//------------------------------------------------------------------------------
bool SdSpiCard::readStop() {
if (cardCommand(CMD12, 0)) {
error(SD_CARD_ERROR_CMD12);
goto fail;
}
spiStop();
return true;
fail:
spiStop();
return false;
}
开发者ID:ErikWegner,项目名称:arduino_sketches,代码行数:13,代码来源:SdSpiCard.cpp
示例15: chipSelectLow
/** End a read multiple blocks sequence.
*
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*/
bool Sd2Card::readStop() {
chipSelectLow();
if (cardCommand(CMD12, 0)) {
error(SD_CARD_ERROR_CMD12);
goto fail;
}
chipSelectHigh();
return true;
fail:
chipSelectHigh();
return false;
}
开发者ID:Kazuyoko,项目名称:MarlinKimbra4due,代码行数:18,代码来源:Sd2Card.cpp
示例16: ENABLED
/**
* Read a 512 byte block from an SD card.
*
* \param[in] blockNumber Logical block to be read.
* \param[out] dst Pointer to the location that will receive the data.
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*/
bool Sd2Card::readBlock(uint32_t blockNumber, uint8_t* dst) {
#if ENABLED(SD_CHECK_AND_RETRY)
uint8_t retryCnt = 3;
// use address if not SDHC card
if (type()!= SD_CARD_TYPE_SDHC) blockNumber <<= 9;
retry2:
retryCnt --;
if (cardCommand(CMD17, blockNumber)) {
error(SD_CARD_ERROR_CMD17);
if (retryCnt > 0) goto retry;
goto fail;
}
if (!readData(dst, 512))
{
if (retryCnt > 0) goto retry;
goto fail;
}
return true;
retry:
chipSelectHigh();
cardCommand(CMD12, 0);//Try sending a stop command, but ignore the result.
errorCode_ = 0;
goto retry2;
#else
// use address if not SDHC card
if (type()!= SD_CARD_TYPE_SDHC) blockNumber <<= 9;
if (cardCommand(CMD17, blockNumber)) {
error(SD_CARD_ERROR_CMD17);
goto fail;
}
return readData(dst, 512);
#endif
fail:
chipSelectHigh();
return false;
}
开发者ID:Kazuyoko,项目名称:MarlinKimbra4due,代码行数:45,代码来源:Sd2Card.cpp
示例17: writeStart
//------------------------------------------------------------------------------
bool SdSpiCard::writeStart(uint32_t blockNumber) {
// use address if not SDHC card
if (type() != SD_CARD_TYPE_SDHC) {
blockNumber <<= 9;
}
if (cardCommand(CMD25, blockNumber)) {
error(SD_CARD_ERROR_CMD25);
goto fail;
}
return true;
fail:
spiStop();
return false;
}
开发者ID:ErikWegner,项目名称:arduino_sketches,代码行数:16,代码来源:SdSpiCard.cpp
示例18: readRegister
/** read CID or CSR register */
bool SdSpiCard::readRegister(uint8_t cmd, void* buf) {
uint8_t* dst = reinterpret_cast<uint8_t*>(buf);
if (cardCommand(cmd, 0)) {
error(SD_CARD_ERROR_READ_REG);
goto fail;
}
if (!readData(dst, 16)) {
goto fail;
}
spiStop();
return true;
fail:
spiStop();
return false;
}
开发者ID:ErikWegner,项目名称:arduino_sketches,代码行数:17,代码来源:SdSpiCard.cpp
示例19: readData
/**
* Read part of a 512 byte block from a SD card.
*
* \param[in] block Logical block to be read.
* \param[in] offset Number of bytes to skip at start of block
* \param[out] dst Pointer to the location that will receive the data.
* \param[in] count Number of bytes to read
* \return The value one, true, is returned for success and
* the value zero, false, is returned for failure.
*/
uint8_t SdReader::readData(uint32_t block,
uint16_t offset, uint8_t *dst, uint16_t count) {
///Serial.print("readSD, offset="); Serial.print(offset, DEC); Serial.print(", count="); Serial.println(count, DEC);
if (count == 0) return true;
if ((count + offset) > 512) {
return false;
}
if (!inBlock_ || block != block_ || offset < offset_) {
block_ = block;
// use address if not SDHC card
if (type()!= SD_CARD_TYPE_SDHC) block <<= 9;
if (cardCommand(CMD17, block)) {
error(SD_CARD_ERROR_CMD17);
return false;
}
if (!waitStartBlock()) {
return false;
}
offset_ = 0;
inBlock_ = 1;
}
// start first SPI transfer
SPDR = 0XFF;
// skip data before offset
for (;offset_ < offset; offset_++) {
while(!(SPSR & (1 << SPIF)));
SPDR = 0XFF;
}
// transfer data
uint16_t n = count - 1;
for (uint16_t i = 0; i < n; i++) {
while(!(SPSR & (1 << SPIF)));
dst[i] = SPDR;
SPDR = 0XFF;
}
// wait for last byte
while(!(SPSR & (1 << SPIF)));
dst[n] = SPDR;
offset_ += count;
if (!partialBlockRead_ || offset_ >= 512) readEnd();
return true;
}
开发者ID:GrandK,项目名称:cheerful-bot,代码行数:57,代码来源:SdReader.cpp
示例20: DBG_IRQSTAT
//-----------------------------------------------------------------------------
// SDHC will do Auto CMD12 after count blocks.
bool SdioCard::readStart(uint32_t lba, uint32_t count) {
DBG_IRQSTAT();
if (count > 0XFFFF) {
return sdError(SD_CARD_ERROR_READ_START);
}
if (yieldTimeout(isBusyCMD13)) {
return sdError(SD_CARD_ERROR_CMD13);
}
if (count > 1) {
SDHC_PROCTL |= SDHC_PROCTL_SABGREQ;
}
SDHC_BLKATTR = SDHC_BLKATTR_BLKCNT(count) | SDHC_BLKATTR_BLKSIZE(512);
if (!cardCommand(CMD18_PGM_XFERTYP, m_highCapacity ? lba : 512*lba)) {
return sdError(SD_CARD_ERROR_CMD18);
}
return true;
}
开发者ID:ArduinoNanoV3,项目名称:ArduinoNanoV3,代码行数:19,代码来源:SdioTeensy.cpp
注:本文中的cardCommand函数示例由纯净天空整理自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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