Take a loot at the USB audio DFU code, it does exactly this. 
Need to be careful to use memory not overwritten by the tools.
https://github.com/xmos/lib_xua/blob/2f ... dfu.xc#L19
			
			
									
							
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				Ross
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Technical Director @ XMOS. Opinions expressed are my own
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				shaw
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Thanks Ross
			
			
									
										
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				Ross
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