diff options
Diffstat (limited to 'libraries/Bridge/FileIO.cpp')
| -rw-r--r-- | libraries/Bridge/FileIO.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libraries/Bridge/FileIO.cpp b/libraries/Bridge/FileIO.cpp index c66f937..c49c2b4 100644 --- a/libraries/Bridge/FileIO.cpp +++ b/libraries/Bridge/FileIO.cpp @@ -160,7 +160,13 @@ const char *File::name() { boolean SDClass::begin() { - return true; + Process chksd; + int res = chksd.runShellCommand(F("cat /sys/bus/scsi/drivers/sd/*/block/sda/size")); + if (res == 0) { + if (chksd.peek() != '0') + return true; + } + return false; } File SDClass::open(const char *filename, uint8_t mode) { |