SDCARD_READONLY (#17884)
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@ -1084,6 +1084,8 @@
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// Enable this option and set to HIGH if your SD cards are incorrectly detected.
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//#define SD_DETECT_STATE HIGH
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//#define SDCARD_READONLY // Read-only SD card (to save over 2K of flash)
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#define SD_PROCEDURE_DEPTH 1 // Increase if you need more nested M32 calls
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#define SD_FINISHED_STEPPERRELEASE true // Disable steppers when SD Print is finished
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@ -2062,6 +2062,20 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
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#endif
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#endif
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/**
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* Make sure features that need to write to the SD card are
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* disabled unless write support is enabled.
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*/
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#if ENABLED(SDCARD_READONLY)
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#if ENABLED(POWER_LOSS_RECOVERY)
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#error "POWER_LOSS_RECOVERY is incompatible with SDCARD_READONLY."
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#elif ENABLED(BINARY_FILE_TRANSFER)
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#error "BINARY_FILE_TRANSFER is incompatible with SDCARD_READONLY."
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#elif ENABLED(SDCARD_EEPROM_EMULATION)
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#error "SDCARD_EEPROM_EMULATION is incompatible with SDCARD_READONLY."
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#endif
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#endif
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/**
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* Make sure only one display is enabled
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*/
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@ -179,8 +179,11 @@ void Sd2Card::chipSelect() {
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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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if (ENABLED(SDCARD_READONLY)) return false;
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csd_t csd;
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if (!readCSD(&csd)) goto FAIL;
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// check for single block erase
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if (!csd.v1.erase_blk_en) {
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// erase size mask
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@ -535,9 +538,10 @@ bool Sd2Card::waitNotBusy(const millis_t timeout_ms) {
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* \return true for success, false for failure.
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*/
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bool Sd2Card::writeBlock(uint32_t blockNumber, const uint8_t* src) {
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if (type() != SD_CARD_TYPE_SDHC) blockNumber <<= 9; // Use address if not SDHC card
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if (ENABLED(SDCARD_READONLY)) return false;
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bool success = false;
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if (type() != SD_CARD_TYPE_SDHC) blockNumber <<= 9; // Use address if not SDHC card
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if (!cardCommand(CMD24, blockNumber)) {
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if (writeData(DATA_START_BLOCK, src)) {
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if (waitNotBusy(SD_WRITE_TIMEOUT)) { // Wait for flashing to complete
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@ -561,6 +565,8 @@ bool Sd2Card::writeBlock(uint32_t blockNumber, const uint8_t* src) {
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* \return true for success, false for failure.
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*/
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bool Sd2Card::writeData(const uint8_t* src) {
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if (ENABLED(SDCARD_READONLY)) return false;
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bool success = true;
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chipSelect();
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// Wait for previous write to finish
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@ -574,14 +580,9 @@ bool Sd2Card::writeData(const uint8_t* src) {
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// Send one block of data for write block or write multiple blocks
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bool Sd2Card::writeData(const uint8_t token, const uint8_t* src) {
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if (ENABLED(SDCARD_READONLY)) return false;
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const uint16_t crc =
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#if ENABLED(SD_CHECK_AND_RETRY)
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CRC_CCITT(src, 512)
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#else
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0xFFFF
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#endif
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;
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const uint16_t crc = TERN(SD_CHECK_AND_RETRY, CRC_CCITT(src, 512), 0xFFFF);
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spiSendBlock(token, src);
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spiSend(crc >> 8);
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spiSend(crc & 0xFF);
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@ -607,6 +608,8 @@ bool Sd2Card::writeData(const uint8_t token, const uint8_t* src) {
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* \return true for success, false for failure.
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*/
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bool Sd2Card::writeStart(uint32_t blockNumber, const uint32_t eraseCount) {
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if (ENABLED(SDCARD_READONLY)) return false;
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bool success = false;
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if (!cardAcmd(ACMD23, eraseCount)) { // Send pre-erase count
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if (type() != SD_CARD_TYPE_SDHC) blockNumber <<= 9; // Use address if not SDHC card
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@ -626,6 +629,8 @@ bool Sd2Card::writeStart(uint32_t blockNumber, const uint32_t eraseCount) {
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* \return true for success, false for failure.
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*/
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bool Sd2Card::writeStop() {
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if (ENABLED(SDCARD_READONLY)) return false;
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bool success = false;
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chipSelect();
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if (waitNotBusy(SD_WRITE_TIMEOUT)) {
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@ -47,6 +47,8 @@ void (*SdBaseFile::dateTime_)(uint16_t* date, uint16_t* time) = 0;
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// add a cluster to a file
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bool SdBaseFile::addCluster() {
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if (ENABLED(SDCARD_READONLY)) return false;
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if (!vol_->allocContiguous(1, &curCluster_)) return false;
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// if first cluster of file link to directory entry
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@ -60,6 +62,8 @@ bool SdBaseFile::addCluster() {
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// Add a cluster to a directory file and zero the cluster.
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// return with first block of cluster in the cache
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bool SdBaseFile::addDirCluster() {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint32_t block;
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// max folder size
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if (fileSize_ / sizeof(dir_t) >= 0xFFFF) return false;
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@ -153,6 +157,8 @@ bool SdBaseFile::contiguousRange(uint32_t* bgnBlock, uint32_t* endBlock) {
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*
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*/
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bool SdBaseFile::createContiguous(SdBaseFile* dirFile, const char* path, uint32_t size) {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint32_t count;
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// don't allow zero length file
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if (size == 0) return false;
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@ -419,6 +425,8 @@ bool SdBaseFile::make83Name(const char* str, uint8_t* name, const char** ptr) {
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* directory, \a path is invalid or already exists in \a parent.
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*/
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bool SdBaseFile::mkdir(SdBaseFile* parent, const char* path, bool pFlag) {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint8_t dname[11];
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SdBaseFile dir1, dir2;
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SdBaseFile* sub = &dir1;
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@ -449,6 +457,8 @@ bool SdBaseFile::mkdir(SdBaseFile* parent, const char* path, bool pFlag) {
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}
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bool SdBaseFile::mkdir(SdBaseFile* parent, const uint8_t dname[11]) {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint32_t block;
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dir_t d;
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dir_t* p;
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@ -632,7 +642,7 @@ bool SdBaseFile::open(SdBaseFile* dirFile, const uint8_t dname[11], uint8_t ofla
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}
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else {
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// don't create unless O_CREAT and O_WRITE
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if (!(oflag & O_CREAT) || !(oflag & O_WRITE)) return false;
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if ((oflag & (O_CREAT | O_WRITE)) != (O_CREAT | O_WRITE)) return false;
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if (emptyFound) {
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index = dirIndex_;
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p = cacheDirEntry(SdVolume::CACHE_FOR_WRITE);
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@ -716,8 +726,14 @@ bool SdBaseFile::open(SdBaseFile* dirFile, uint16_t index, uint8_t oflag) {
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// open a cached directory entry. Assumes vol_ is initialized
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bool SdBaseFile::openCachedEntry(uint8_t dirIndex, uint8_t oflag) {
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dir_t* p;
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#if ENABLED(SDCARD_READONLY)
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if (oflag & (O_WRITE | O_CREAT | O_TRUNC)) goto FAIL;
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#endif
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// location of entry in cache
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dir_t* p = &vol_->cache()->dir[dirIndex];
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p = &vol_->cache()->dir[dirIndex];
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// write or truncate is an error for a directory or read-only file
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if (p->attributes & (DIR_ATT_READ_ONLY | DIR_ATT_DIRECTORY)) {
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@ -1135,6 +1151,8 @@ dir_t* SdBaseFile::readDirCache() {
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* or an I/O error occurred.
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*/
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bool SdBaseFile::remove() {
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if (ENABLED(SDCARD_READONLY)) return false;
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dir_t* d;
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// free any clusters - will fail if read-only or directory
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if (!truncate(0)) return false;
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@ -1172,6 +1190,8 @@ bool SdBaseFile::remove() {
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* or an I/O error occurred.
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*/
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bool SdBaseFile::remove(SdBaseFile* dirFile, const char* path) {
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if (ENABLED(SDCARD_READONLY)) return false;
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SdBaseFile file;
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return file.open(dirFile, path, O_WRITE) ? file.remove() : false;
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}
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@ -1187,6 +1207,8 @@ bool SdBaseFile::remove(SdBaseFile* dirFile, const char* path) {
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* file, newPath is invalid or already exists, or an I/O error occurs.
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*/
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bool SdBaseFile::rename(SdBaseFile* dirFile, const char* newPath) {
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if (ENABLED(SDCARD_READONLY)) return false;
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dir_t entry;
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uint32_t dirCluster = 0;
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SdBaseFile file;
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@ -1279,6 +1301,8 @@ restore:
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* directory, is not empty, or an I/O error occurred.
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*/
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bool SdBaseFile::rmdir() {
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if (ENABLED(SDCARD_READONLY)) return false;
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// must be open subdirectory
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if (!isSubDir()) return false;
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@ -1317,6 +1341,8 @@ bool SdBaseFile::rmdir() {
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* \return true for success, false for failure.
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*/
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bool SdBaseFile::rmRfStar() {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint32_t index;
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SdBaseFile f;
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rewind();
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@ -1424,7 +1450,7 @@ void SdBaseFile::setpos(filepos_t* pos) {
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*/
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bool SdBaseFile::sync() {
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// only allow open files and directories
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if (!isOpen()) goto FAIL;
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if (ENABLED(SDCARD_READONLY) || !isOpen()) goto FAIL;
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if (flags_ & F_FILE_DIR_DIRTY) {
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dir_t* d = cacheDirEntry(SdVolume::CACHE_FOR_WRITE);
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@ -1524,6 +1550,8 @@ bool SdBaseFile::timestamp(SdBaseFile* file) {
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*/
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bool SdBaseFile::timestamp(uint8_t flags, uint16_t year, uint8_t month,
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uint8_t day, uint8_t hour, uint8_t minute, uint8_t second) {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint16_t dirDate, dirTime;
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dir_t* d;
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@ -1575,6 +1603,8 @@ bool SdBaseFile::timestamp(uint8_t flags, uint16_t year, uint8_t month,
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* \a length is greater than the current file size or an I/O error occurs.
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*/
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bool SdBaseFile::truncate(uint32_t length) {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint32_t newPos;
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// error if not a normal file or read-only
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if (!isFile() || !(flags_ & O_WRITE)) return false;
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@ -1636,6 +1666,10 @@ bool SdBaseFile::truncate(uint32_t length) {
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*
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*/
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int16_t SdBaseFile::write(const void* buf, uint16_t nbyte) {
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#if ENABLED(SDCARD_READONLY)
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writeError = true; return -1;
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#endif
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// convert void* to uint8_t* - must be before goto statements
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const uint8_t* src = reinterpret_cast<const uint8_t*>(buf);
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// find a contiguous group of clusters
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bool SdVolume::allocContiguous(uint32_t count, uint32_t* curCluster) {
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if (ENABLED(SDCARD_READONLY)) return false;
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// start of group
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uint32_t bgnCluster;
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// end of group
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@ -117,6 +119,7 @@ bool SdVolume::allocContiguous(uint32_t count, uint32_t* curCluster) {
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}
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bool SdVolume::cacheFlush() {
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#if DISABLED(SDCARD_READONLY)
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if (cacheDirty_) {
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if (!sdCard_->writeBlock(cacheBlockNumber_, cacheBuffer_.data))
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return false;
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@ -129,6 +132,7 @@ bool SdVolume::cacheFlush() {
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}
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cacheDirty_ = 0;
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}
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#endif
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return true;
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}
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@ -190,6 +194,8 @@ bool SdVolume::fatGet(uint32_t cluster, uint32_t* value) {
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// Store a FAT entry
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bool SdVolume::fatPut(uint32_t cluster, uint32_t value) {
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if (ENABLED(SDCARD_READONLY)) return false;
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uint32_t lba;
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// error if reserved cluster
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if (cluster < 2) return false;
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@ -446,8 +446,8 @@ void CardReader::endFilePrint(TERN_(SD_RESORT, const bool re_sort/*=false*/)) {
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}
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void CardReader::openLogFile(char * const path) {
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flag.logging = true;
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openFileWrite(path);
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flag.logging = DISABLED(SDCARD_READONLY);
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TERN(SDCARD_READONLY,,openFileWrite(path));
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}
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//
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@ -573,6 +573,9 @@ void CardReader::openFileWrite(char * const path) {
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const char * const fname = diveToFile(false, curDir, path);
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if (!fname) return;
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#if ENABLED(SDCARD_READONLY)
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openFailed(fname);
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#else
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if (file.open(curDir, fname, O_CREAT | O_APPEND | O_WRITE | O_TRUNC)) {
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flag.saving = true;
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selectFileByName(fname);
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@ -582,6 +585,7 @@ void CardReader::openFileWrite(char * const path) {
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}
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else
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openFailed(fname);
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#endif
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}
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//
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@ -596,6 +600,9 @@ void CardReader::removeFile(const char * const name) {
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const char * const fname = diveToFile(false, curDir, name);
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if (!fname) return;
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#if ENABLED(SDCARD_READONLY)
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SERIAL_ECHOLNPAIR("Deletion failed (read-only), File: ", fname, ".");
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#else
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if (file.remove(curDir, fname)) {
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SERIAL_ECHOLNPAIR("File deleted:", fname);
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sdpos = 0;
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@ -603,6 +610,7 @@ void CardReader::removeFile(const char * const name) {
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}
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else
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SERIAL_ECHOLNPAIR("Deletion failed, File: ", fname, ".");
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#endif
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}
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void CardReader::report_status() {
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@ -15,8 +15,7 @@ set -e
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restore_configs
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opt_set MOTHERBOARD BOARD_RAMPS_14_RE_ARM_EFB
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opt_enable VIKI2 SDSUPPORT SERIAL_PORT_2 NEOPIXEL_LED
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opt_enable VIKI2 SDSUPPORT SDCARD_READONLY SERIAL_PORT_2 NEOPIXEL_LED
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opt_set NEOPIXEL_PIN P1_16
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exec_test $1 $2 "ReARM EFB VIKI2, SDSUPPORT, 2 Serial ports (USB CDC + UART0), NeoPixel"
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