nrf_malloc function not able to allocate the memory.

RE: nrf_malloc function not able to allocate the memory.

lavande — Wed, 26 Feb 2020 08:19:43 GMT

Does your program contains softdevice? Can you printf address of the 'frame_buffer_black'? Is it starts with 0?

RE: nrf_malloc function not able to allocate the memory.

Rajat — Mon, 08 Oct 2018 03:46:27 GMT

Thanks , It worked.

I changed the max size parameter in sdk_config.h

And sorry mate , to keep you waiting. I was using SDK 15.0

Thanks for the Answer

RE: nrf_malloc function not able to allocate the memory.

bjorn-spockeli — Fri, 05 Oct 2018 07:57:28 GMT

Again which SDK version are you using?

VERIFY_REQUESTED_SIZE(size) macro will return 0x8107 (NRF_ERROR_INVALID_PARAM | NRF_ERROR_MEMORY_MANAGER_ERR_BASE) if the requested size is larger that the largest block size that is set in the memory manager module.

#define MAX_MEM_SIZE MEMORY_MANAGER_SMALL_BLOCK_SIZE == 32

So you must be calling nrf_mem_reserve() with a size larger than 32.

The MEMORY_MANAGER_SMALL_BLOCK_SIZE can be set in sdk_config.h

RE: nrf_malloc function not able to allocate the memory.

Rajat — Fri, 05 Oct 2018 04:29:51 GMT

now it is showing me error 0x8107 which is for invalid parameter , originated from verify requested size inside nrf_mem_reserve function.

RE: nrf_malloc function not able to allocate the memory.

Rajat — Fri, 05 Oct 2018 02:53:53 GMT

i was not calling nrf_mem_init() function before the nrf_malloc function.

So the moment i did that , the program just stops at the nrf_malloc function.

Why is this happenning?

Same was issue while using malloc() function.

Thanks

RE: nrf_malloc function not able to allocate the memory.

bjorn-spockeli — Thu, 04 Oct 2018 12:28:51 GMT

Which SDK version are you using?

Looking at the source code of nrf_mem_reserve() in SDK v15.2.0 it seems that it should only return 0x8104 if it fails as the err_code variable is initialized to ( NRF_ERROR_NO_MEM | NRF_ERROR_MEMORY_MANAGER_ERR_BASE) and is only modified to NRF_SUCCESS in nrf_mem_reserve() if it can allocate a large enoug block

Could you post the debug log output from the nRF52840?