Hi Karel, You read/write the whole blob with CoreBluetooth. The CoreBluetooth framework will then break it down in smaller chunks for you automatically. Thanks, Joakim On Jul 30, 2012, at 9:50 PM, karel <karel@tandd.co.jp> wrote:

I have been working from example code for a Bluetooth LE application on the iPhone4S and have reused the readValueForCharacteristic and writeValue:forCharacteristic for accessing attributes which will fit into one packet (i.e. length less than 20bytes or so).

Are there any read/write functions available for accessing a subrange of large attributes, that is, how does one do Read/Write Blob with iOS (on the iPhone4S)?

Thanks.

Karel

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