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sd: implement readBytes #4931

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Merged
merged 3 commits into from
Oct 5, 2018
Merged

sd: implement readBytes #4931

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841f154
sd: implement readBytes
Jul 16, 2018
1ec1a29
Merge branch 'master' into sd-readbytes
icosaeder Jul 17, 2018
8060f16
Merge branch 'master' into sd-readbytes
earlephilhower Oct 5, 2018
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5 changes: 5 additions & 0 deletions libraries/SD/src/File.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,11 @@ int File::read(void *buf, uint16_t nbyte) {
return 0;
}

size_t File::readBytes(char *buffer, size_t length) {
int result = read(buffer, (uint16_t)length);
return result < 0 ? 0 : (size_t)result;
}

int File::available() {
if (! _file) return 0;

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1 change: 1 addition & 0 deletions libraries/SD/src/SD.h
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Expand Up @@ -34,6 +34,7 @@ class File : public Stream {
virtual size_t write(uint8_t);
virtual size_t write(const uint8_t *buf, size_t size);
virtual int read();
virtual size_t readBytes(char *buffer, size_t length);
virtual int peek();
virtual int available();
virtual void flush();
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