NRF52832 can not use 64K RAM

[eaglezcy]

hi all: Recently, I develop with nrf52832, the softdevice is nRF52_SDK_0.9.0_0c82e3e. In my application, I need a big buffer, so 32K ram can not satisfied. As the errata of nrff52832, the link as follows: infocenter.nordicsemi.com/index.jsp
infocenter.nordicsemi.com/index.jsp When I modify the IDE options, the application break down in the sd_ble_uuid_vs_add() function, the error is NRF_ERROR_INVALID_ADDR. How can I fix this problem??

thanks a lot!

[Chris]

I have this problem too. I've ported a driver for an accelerometer and it needs more than the 32kb which is the default allowance (well, minus 0x2800 bytes for the SD) in the linker file for GCC.

If I just have the application use the second 32kb then the app complains when initialising the SD.

How do I modify the linker for GCC to allow for two RAM regions?

SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)

MEMORY
{
  FLASH (rx) : ORIGIN = 0x1f000, LENGTH = 0x61000
  RAM (rwx) :  ORIGIN = 0x20002800, LENGTH = 0x5800
}

INCLUDE "nrf5x_common.ld"

Without the bug I'd just set the length longer (to allow for 64k) but at the moment I'm a bit stuck on how to achieve this..