8000 Add close() method for SD · Pull Request #3654 · esp8266/Arduino · GitHub
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Add close() method for SD #3654

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Closed
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Add close() method for SD #3654

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8704331
Add Ability to close spi SD card connection
mohamadkhani Sep 26, 2017
e2ac34d
Add Ability to close spi SD card connection
mohamadkhani Sep 26, 2017
3129ef1
Add Ability to close SD card connection
mohamadkhani Sep 26, 2017
a132f39
Update SD.cpp
mohamadkhani Sep 26, 2017
c29989d
Merge branch 'master' into Patch
devyte Nov 13, 2018
76dedbd
Merge branch 'master' into Patch
earlephilhower Nov 30, 2018
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12 changes: 12 additions & 0 deletions libraries/SD/src/SD.cpp
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Expand Up @@ -350,6 +350,18 @@ boolean SDClass::begin(uint8_t csPin, uint32_t speed) {
root.openRoot(volume);
}


void SDClass::end() {
/*

Performs to end The SD Card and close the spi connection
and to able begin SD Card again without error

*/
root.close();
card.end();
}

// this little helper is used to traverse paths
SdFile SDClass::getParentDir(const char *filepath, int *index) {
// get parent directory
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6 changes: 5 additions & 1 deletion libraries/SD/src/SD.h
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Expand Up @@ -89,7 +89,11 @@ class SDClass {
// This needs to be called to set up the connection to the SD card
// before other methods are used.
boolean begin(uint8_t csPin = SD_CHIP_SELECT_PIN, uint32_t speed = SPI_HALF_SPEED);


//Performs end The SD Card and close the spi connection
//and to able begin SD Card again without error
void end();

// Open the specified file/directory with the supplied mode (e.g. read or
// write, etc). Returns a File object for interacting with the file.
// Note that currently only one file can be open at a time.
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7 changes: 7 additions & 0 deletions libraries/SD/src/ 8000 utility/Sd2Card.cpp
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Expand Up @@ -350,6 +350,13 @@ uint8_t Sd2Card::init(uint8_t sckRateID, uint8_t chipSelectPin) {
return false;
}
//------------------------------------------------------------------------------
/**
* End SPI Connection
*/
void Sd2Card::end(){
SPI.end();
}
//------------------------------------------------------------------------------
/**
* Enable or disable partial block reads.
*
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4 changes: 4 additions & 0 deletions libraries/SD/src/utility/Sd2Card.h
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6299
Original file line number Diff line number Diff line change
Expand Up @@ -200,6 +200,10 @@ class Sd2Card {
}
uint8_t init(uint8_t sckRateID, uint8_t chipSelectPin);
#endif
/**
* End SPI Connection
*/
void end();
void partialBlockRead(uint8_t value);
/** Returns the current value, true or false, for partial block read. */
uint8_t partialBlockRead(void) const {return partialBlockRead_;}
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