nanopb Upgrading from 0.3.2 to 0.4.9.1

[sanjeeva reddy]

Hi, 

We have the software that works with 0.3.2 nanopb version, and upgrading to 0.4.9.1 it is not working. 

We generated the pb.c and pb.h files by using nanopb-generator, and we have structures in the pb.h file as an example as below

typedef struct _code{

bool has_Id1;

uint32_t id1;

bool has_id2;

uint32_t id2;

}code;
When we use the structure as it is, it works.

For optimization purposes, we reorganized the above structure as below  

typedef struct _code{

uint32_t id1;
uint32_t id2;
bool has_Id1;

bool has_id2;

}code;
 

After optimization, it works in 0.3.2 and fails in 0.4.9.1.

Please suggest, for reordering the structure members, is anything to be modifed in the generated files from nanopb

[Petteri Aimonen]

Hi,

This is not something that is covered by the tests.

I think it will work with 0.4.x if you either edit .pb.c to contain
PB_BIND(...., 4)
or define generator option "descriptorsize = DS_4" which will do the same.

It's limited to max 128 byte distance between the field and its
boolean, but that is the same as 0.3.x with default settings.

--
Petteri

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