[Ovmsdev] Macros MIN and MAX

Mark Webb-Johnson mark at webb-johnson.net
Fri Jan 5 09:05:17 HKT 2018

Three reasons for working on IDF 3.0 now:

We’ll need it for PSRAM support, should we go that route.
It is the latest bootloader, and includes firmware checksum support (it is hard to OTA update the bootloader).
If Espressif fix the SDCARD issue (assuming it is fixable in software), they will most likely fix it in that branch.

We’re still working with Espressif on SDCARD vs flash >4MB. Response is less than exciting. They made a board to try to recreate the problem, but put a 4MB flash on it and not surprisingly couldn’t repeat the issue. We keep telling them to try with a 16MB flash, but it is like talking to a brick wall. Or perhaps a brick wall at the other end of a pitch black room with no echo. Very frustrating.

Regards, Mark.

> On 5 Jan 2018, at 5:20 AM, Michael Balzer <dexter at expeedo.de> wrote:
> Stephen,
> sys/param.h was not included previously. As the definitions match, I can use those. Or add an #ifndef / #undef.
> As you're compiling with v3 already: are the SD card issues solved with that release?
> Regards,
> Michael
> Am 04.01.2018 um 22:01 schrieb Stephen Casner:
>> Michael and Geir,
>> Can you please see whether the definitions of MIN and MAX in your
>> files are needed?  These macros are defined in:
>> esp-idf/components/newlib/include/sys/param.h
>> which gets included from ovms_config.h and perhaps other places.
>> When I'm compiling with release v3.0 the redefinition of these macros
>> shows up as a warning.  It would be possible to ignore the warning and
>> it might also be possible to turn off the warnings by changing the
>> configuration, but if the definitions are not needed this would be
>> cleaner.
>>                                                        -- Steve
>> _______________________________________________
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> -- 
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