Hello,
I would like to know if it is possible to avoid CW erasing the whole Memory Flash when downloading.
I need to use the internal data flash to save some parameters changed by the final user, so I have defined the bean IntFlash as Data_Flash, with Destructive write.
I'm using a 56f8365, and my parameters start from address 0x6000, with length 0x1000.
CW ver. 8.2.3
I'm able to write these parameters, and their values are kept if I switch off, but when I download a new software version with CW, the flash memory is entirely erased from 0x4000 to 0x7fff and I loose the saved values.
I have tried to change the length of x_internal_ROM from 0x4000 to 0x2000 inside ldm_pROM_xRAM.cmd, keeping ORIGIN at 0x4000, but without results.
Something to suggest ?
Thanks
Mario
Try checking out FAQ-28898. While it covers ColdFire parts, some of the techniques may be applicable to what you are trying to do.
---Tom