Implement BLE filesystem (experimental and will change in the future)

blefs/error.go

@@ -0,0 +1,61 @@
+package blefs
+
+import (
+	"errors"
+	"fmt"
+)
+
+var (
+	ErrFileNotExists = errors.New("file does not exist")
+	ErrFileReadOnly  = errors.New("file is read only")
+	ErrFileWriteOnly = errors.New("file is write only")
+	ErrInvalidOffset = errors.New("invalid file offset")
+	ErrOffsetChanged = errors.New("offset has already been changed")
+)
+
+// FSError represents an error returned by BLE FS
+type FSError struct {
+	Code int8
+}
+
+// Error returns the string associated with the error code
+func (err FSError) Error() string {
+	switch err.Code {
+	case 0x02:
+		return "filesystem error"
+	case 0x05:
+		return "read-only filesystem"
+	case 0x03:
+		return "no such file"
+	case 0x04:
+		return "protocol error"
+	case -5:
+		return "input/output error"
+	case -84:
+		return "filesystem is corrupted"
+	case -2:
+		return "no such directory entry"
+	case -17:
+		return "entry already exists"
+	case -20:
+		return "entry is not a directory"
+	case -39:
+		return "directory is not empty"
+	case -9:
+		return "bad file number"
+	case -27:
+		return "file is too large"
+	case -22:
+		return "invalid parameter"
+	case -28:
+		return "no space left on device"
+	case -12:
+		return "no more memory available"
+	case -61:
+		return "no attr available"
+	case -36:
+		return "file name is too long"
+	default:
+		return fmt.Sprintf("unknown error (code %d)", err.Code)
+	}
+}