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IAP and IRAM1

Paul Siuciak

Unless I locate my source buffer in IRAM1, the IAP function that copies to flash always returns the "source address not mapped error".

Is there some restriction on mapping when using IAP?

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  • 0 in reply to Catcus Blip

    I am flashing to a different bank. It's actually all part of a firmware upgrade functionality being developed. THe native firmware resides in low memory (address 0), the upgrade procedure flashes in the new firmware at high memory (0x10000).

    Something seems to be sensitive to where the source buffer is located, the source buffer is the byte array passed to the IAP function to copy to flash. In my case I have to open the options dialog for the correspinding file and locate the memory in IRAM1, which in my configuration is a 0x2000 block starting at 0x40000000. If not, I get an IAP error stating that the source buffer is not mapped.

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  • 0 in reply to Catcus Blip

    I am flashing to a different bank. It's actually all part of a firmware upgrade functionality being developed. THe native firmware resides in low memory (address 0), the upgrade procedure flashes in the new firmware at high memory (0x10000).

    Something seems to be sensitive to where the source buffer is located, the source buffer is the byte array passed to the IAP function to copy to flash. In my case I have to open the options dialog for the correspinding file and locate the memory in IRAM1, which in my configuration is a 0x2000 block starting at 0x40000000. If not, I get an IAP error stating that the source buffer is not mapped.

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