Patch SD lib files for readability
This commit is contained in:
Scott Lahteine
@@ -35,7 +35,6 @@
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#include "../Marlin.h"
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//------------------------------------------------------------------------------
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// send command and return error code. Return zero for OK
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uint8_t Sd2Card::cardCommand(uint8_t cmd, uint32_t arg) {
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// select card
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@@ -63,7 +62,7 @@ uint8_t Sd2Card::cardCommand(uint8_t cmd, uint32_t arg) {
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for (uint8_t i = 0; ((status_ = spiRec()) & 0x80) && i != 0xFF; i++) { /* Intentionally left empty */ }
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return status_;
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}
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//------------------------------------------------------------------------------
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/**
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* Determine the size of an SD flash memory card.
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*
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@@ -91,19 +90,20 @@ uint32_t Sd2Card::cardSize() {
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return 0;
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}
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}
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//------------------------------------------------------------------------------
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void Sd2Card::chipSelectHigh() {
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digitalWrite(chipSelectPin_, HIGH);
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}
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//------------------------------------------------------------------------------
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void Sd2Card::chipSelectLow() {
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#if DISABLED(SOFTWARE_SPI)
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spiInit(spiRate_);
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#endif // SOFTWARE_SPI
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digitalWrite(chipSelectPin_, LOW);
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}
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//------------------------------------------------------------------------------
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/** Erase a range of blocks.
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/**
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* Erase a range of blocks.
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*
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* \param[in] firstBlock The address of the first block in the range.
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* \param[in] lastBlock The address of the last block in the range.
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@@ -113,8 +113,7 @@ void Sd2Card::chipSelectLow() {
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* either 0 or 1, depends on the card vendor. The card must support
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* single block erase.
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*
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* \return The value one, true, is returned for success and
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* the value zero, false, is returned for failure.
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* \return true for success, false for failure.
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*/
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bool Sd2Card::erase(uint32_t firstBlock, uint32_t lastBlock) {
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csd_t csd;
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@@ -149,26 +148,26 @@ bool Sd2Card::erase(uint32_t firstBlock, uint32_t lastBlock) {
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chipSelectHigh();
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return false;
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}
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//------------------------------------------------------------------------------
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/** Determine if card supports single block erase.
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/**
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* Determine if card supports single block erase.
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*
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* \return The value one, true, is returned if single block erase is supported.
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* The value zero, false, is returned if single block erase is not supported.
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* \return true if single block erase is supported.
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* false if single block erase is not supported.
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*/
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bool Sd2Card::eraseSingleBlockEnable() {
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csd_t csd;
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return readCSD(&csd) ? csd.v1.erase_blk_en : false;
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}
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//------------------------------------------------------------------------------
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/**
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* Initialize an SD flash memory card.
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*
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* \param[in] sckRateID SPI clock rate selector. See setSckRate().
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* \param[in] chipSelectPin SD chip select pin number.
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*
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* \return The value one, true, is returned for success and
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* the value zero, false, is returned for failure. The reason for failure
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* can be determined by calling errorCode() and errorData().
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* \return true for success, false for failure.
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* The reason for failure can be determined by calling errorCode() and errorData().
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*/
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bool Sd2Card::init(uint8_t sckRateID, pin_t chipSelectPin) {
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errorCode_ = type_ = 0;
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@@ -247,14 +246,13 @@ bool Sd2Card::init(uint8_t sckRateID, pin_t chipSelectPin) {
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chipSelectHigh();
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return false;
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}
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//------------------------------------------------------------------------------
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/**
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* Read a 512 byte block from an SD card.
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*
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* \param[in] blockNumber Logical block to be read.
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* \param[out] dst Pointer to the location that will receive the data.
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* \return The value one, true, is returned for success and
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* the value zero, false, is returned for failure.
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* \return true for success, false for failure.
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*/
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bool Sd2Card::readBlock(uint32_t blockNumber, uint8_t* dst) {
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// use address if not SDHC card
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@@ -262,19 +260,18 @@ bool Sd2Card::readBlock(uint32_t blockNumber, uint8_t* dst) {
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#if ENABLED(SD_CHECK_AND_RETRY)
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uint8_t retryCnt = 3;
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do {
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if (!cardCommand(CMD17, blockNumber)) {
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if (readData(dst, 512)) return true;
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}
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else
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for(;;) {
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if (cardCommand(CMD17, blockNumber))
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error(SD_CARD_ERROR_CMD17);
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else if (readData(dst, 512))
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return true;
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if (!--retryCnt) break;
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chipSelectHigh();
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cardCommand(CMD12, 0); // Try sending a stop command, ignore the result.
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errorCode_ = 0;
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} while (true);
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}
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#else
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if (cardCommand(CMD17, blockNumber))
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error(SD_CARD_ERROR_CMD17);
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@@ -285,13 +282,13 @@ bool Sd2Card::readBlock(uint32_t blockNumber, uint8_t* dst) {
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chipSelectHigh();
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return false;
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}
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//------------------------------------------------------------------------------
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/** Read one data block in a multiple block read sequence
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/**
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* Read one data block in a multiple block read sequence
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*
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* \param[in] dst Pointer to the location for the data to be read.
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*
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* \return The value one, true, is returned for success and
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* the value zero, false, is returned for failure.
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* \return true for success, false for failure.
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*/
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bool Sd2Card::readData(uint8_t* dst) {
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chipSelectLow();
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@@ -299,50 +296,49 @@ bool Sd2Card::readData(uint8_t* dst) {
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}
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#if ENABLED(SD_CHECK_AND_RETRY)
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static const uint16_t crctab[] PROGMEM = {
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
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0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
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0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
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0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
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0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
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0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
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0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
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0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
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0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
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0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
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0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
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0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
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0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
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0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
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0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
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0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
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0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
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0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
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0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
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0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
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0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
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0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
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0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
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};
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static uint16_t CRC_CCITT(const uint8_t* data, size_t n) {
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uint16_t crc = 0;
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for (size_t i = 0; i < n; i++) {
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crc = pgm_read_word(&crctab[(crc >> 8 ^ data[i]) & 0xFF]) ^ (crc << 8);
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static const uint16_t crctab[] PROGMEM = {
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
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0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
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0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
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0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
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0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
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0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
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0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
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0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
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0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
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0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
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0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
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0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
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0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
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0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
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0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
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0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
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0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
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0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
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0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
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0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
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0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
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0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
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0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
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};
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static uint16_t CRC_CCITT(const uint8_t* data, size_t n) {
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uint16_t crc = 0;
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for (size_t i = 0; i < n; i++) {
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crc = pgm_read_word(&crctab[(crc >> 8 ^ data[i]) & 0xFF]) ^ (crc << 8);
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}
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return crc;
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}
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return crc;
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}
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#endif
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#endif // SD_CHECK_AND_RETRY
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//------------------------------------------------------------------------------
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bool Sd2Card::readData(uint8_t* dst, uint16_t count) {
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// wait for start block token
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uint16_t t0 = millis();
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@@ -384,61 +380,55 @@ bool Sd2Card::readData(uint8_t* dst, uint16_t count) {
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spiSend(0XFF);
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return false;
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}
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//------------------------------------------------------------------------------
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/** read CID or CSR register */
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bool Sd2Card::readRegister(uint8_t cmd, void* buf) {
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uint8_t* dst = reinterpret_cast<uint8_t*>(buf);
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if (cardCommand(cmd, 0)) {
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error(SD_CARD_ERROR_READ_REG);
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goto FAIL;
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chipSelectHigh();
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return false;
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}
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return readData(dst, 16);
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FAIL:
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chipSelectHigh();
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return false;
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}
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//------------------------------------------------------------------------------
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/** Start a read multiple blocks sequence.
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/**
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* Start a read multiple blocks sequence.
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*
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* \param[in] blockNumber Address of first block in sequence.
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*
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* \note This function is used with readData() and readStop() for optimized
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* multiple block reads. SPI chipSelect must be low for the entire sequence.
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*
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* \return The value one, true, is returned for success and
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* the value zero, false, is returned for failure.
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* \return true for success, false for failure.
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*/
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bool Sd2Card::readStart(uint32_t blockNumber) {
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if (type() != SD_CARD_TYPE_SDHC) blockNumber <<= 9;
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if (cardCommand(CMD18, blockNumber)) {
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error(SD_CARD_ERROR_CMD18);
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goto FAIL;
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chipSelectHigh();
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return false;
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}
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chipSelectHigh();
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return true;
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FAIL:
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chipSelectHigh();
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return false;
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}
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//------------------------------------------------------------------------------
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/** End a read multiple blocks sequence.
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/**
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* End a read multiple blocks sequence.
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*
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* \return The value one, true, is returned for success and
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* the value zero, false, is returned for failure.
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* \return true for success, false for failure.
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*/
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bool Sd2Card::readStop() {
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chipSelectLow();
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if (cardCommand(CMD12, 0)) {
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error(SD_CARD_ERROR_CMD12);
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goto FAIL;
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chipSelectHigh();
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return false;
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}
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chipSelectHigh();
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return true;
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FAIL:
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chipSelectHigh();
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return false;
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}
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//------------------------------------------------------------------------------
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/**
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* Set the SPI clock rate.
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*
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@@ -459,25 +449,22 @@ bool Sd2Card::setSckRate(uint8_t sckRateID) {
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spiRate_ = sckRateID;
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return true;
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}
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//------------------------------------------------------------------------------
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// wait for card to go not busy
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bool Sd2Card::waitNotBusy(uint16_t timeoutMillis) {
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uint16_t t0 = millis();
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while (spiRec() != 0XFF) {
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if (((uint16_t)millis() - t0) >= timeoutMillis) goto FAIL;
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}
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while (spiRec() != 0XFF)
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if (((uint16_t)millis() - t0) >= timeoutMillis) return false;
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return true;
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FAIL:
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return false;
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}
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//------------------------------------------------------------------------------
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/**
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* Writes a 512 byte block to an SD card.
|
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*
|
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* \param[in] blockNumber Logical block to be written.
|
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* \param[in] src Pointer to the location of the data to be written.
|
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* \return The value one, true, is returned for success and
|
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* the value zero, false, is returned for failure.
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* \return true for success, false for failure.
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*/
|
||||
bool Sd2Card::writeBlock(uint32_t blockNumber, const uint8_t* src) {
|
||||
// use address if not SDHC card
|
||||
@@ -504,25 +491,24 @@ bool Sd2Card::writeBlock(uint32_t blockNumber, const uint8_t* src) {
|
||||
chipSelectHigh();
|
||||
return false;
|
||||
}
|
||||
//------------------------------------------------------------------------------
|
||||
/** Write one data block in a multiple block write sequence
|
||||
|
||||
/**
|
||||
* Write one data block in a multiple block write sequence
|
||||
* \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.
|
||||
* \return true for success, false for failure.
|
||||
*/
|
||||
bool Sd2Card::writeData(const uint8_t* src) {
|
||||
chipSelectLow();
|
||||
// wait for previous write to finish
|
||||
if (!waitNotBusy(SD_WRITE_TIMEOUT)) goto FAIL;
|
||||
if (!writeData(WRITE_MULTIPLE_TOKEN, src)) goto FAIL;
|
||||
if (!waitNotBusy(SD_WRITE_TIMEOUT) || !writeData(WRITE_MULTIPLE_TOKEN, src)) {
|
||||
error(SD_CARD_ERROR_WRITE_MULTIPLE);
|
||||
chipSelectHigh();
|
||||
return false;
|
||||
}
|
||||
chipSelectHigh();
|
||||
return true;
|
||||
FAIL:
|
||||
error(SD_CARD_ERROR_WRITE_MULTIPLE);
|
||||
chipSelectHigh();
|
||||
return false;
|
||||
}
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
// send one block of data for write block or write multiple blocks
|
||||
bool Sd2Card::writeData(uint8_t token, const uint8_t* src) {
|
||||
spiSendBlock(token, src);
|
||||
@@ -533,15 +519,14 @@ bool Sd2Card::writeData(uint8_t token, const uint8_t* src) {
|
||||
status_ = spiRec();
|
||||
if ((status_ & DATA_RES_MASK) != DATA_RES_ACCEPTED) {
|
||||
error(SD_CARD_ERROR_WRITE);
|
||||
goto FAIL;
|
||||
chipSelectHigh();
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
FAIL:
|
||||
chipSelectHigh();
|
||||
return false;
|
||||
}
|
||||
//------------------------------------------------------------------------------
|
||||
/** Start a write multiple blocks sequence.
|
||||
|
||||
/**
|
||||
* 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.
|
||||
@@ -549,8 +534,7 @@ bool Sd2Card::writeData(uint8_t token, const uint8_t* src) {
|
||||
* \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.
|
||||
* \return true for success, false for failure.
|
||||
*/
|
||||
bool Sd2Card::writeStart(uint32_t blockNumber, uint32_t eraseCount) {
|
||||
// send pre-erase count
|
||||
@@ -570,11 +554,11 @@ bool Sd2Card::writeStart(uint32_t blockNumber, uint32_t eraseCount) {
|
||||
chipSelectHigh();
|
||||
return false;
|
||||
}
|
||||
//------------------------------------------------------------------------------
|
||||
/** End a write multiple blocks sequence.
|
||||
|
||||
/**
|
||||
* End a write multiple blocks sequence.
|
||||
*
|
||||
* \return The value one, true, is returned for success and
|
||||
* the value zero, false, is returned for failure.
|
||||
* \return true for success, false for failure.
|
||||
*/
|
||||
bool Sd2Card::writeStop() {
|
||||
chipSelectLow();
|
||||
@@ -589,4 +573,4 @@ bool Sd2Card::writeStop() {
|
||||
return false;
|
||||
}
|
||||
|
||||
#endif
|
||||
#endif // SDSUPPORT
|
||||
|
||||
Reference in New Issue
Block a user