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memcpy from ROM to RAM

 
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gfu



Joined: 07 Nov 2006
Posts: 1

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memcpy from ROM to RAM
PostPosted: Mon Aug 27, 2007 9:02 am     Reply with quote
hi all

I use CCS PCH 4.038,and need copy struct from ROM to RAM,the memcpy() only allow from RAM to RAM,how to do it? my MCU is 18F2620.
Ttelmah
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PostPosted: Mon Aug 27, 2007 9:45 am     Reply with quote
Depends how the ROM data is declared.
If this is a const value, then the easiest method, is just to copy the data yourself.
If it is a data 'block', from a #ROM declaration, then use read_program_memory. This can be used with the const value as well, but you then need to use the 'addressof' operator tofind it's location in ROM.

Best Wishes
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