Search found 37 matches

by Fede
Thu Nov 23, 2017 9:52 am
Forum: ChibiStudio
Topic: Liking error only with GCC 6.3
Replies: 3
Views: 1178

Re: Liking error only with GCC 6.3

Dear Giovanni,

Thanks it solve the issue. But, just to understand, do you know why I need to add this file only with GCC 6.3 ?

Thanks again,
Fede
by Fede
Wed Nov 22, 2017 6:43 pm
Forum: ChibiStudio
Topic: Liking error only with GCC 6.3
Replies: 3
Views: 1178

Liking error only with GCC 6.3

Dear All, I'm currently working with last stable version of chibios (17.6.3) and chibistudio (preview 19). What is hapenning is that if I launch chibistudio with "Chibi Studio GCC 4.7" shortcut everything goes smooth: 0 error 0 warning. While when I've tried to build exactly the same proje...
by Fede
Fri Sep 11, 2015 10:39 am
Forum: User Projects
Topic: OpenOCD Board file for STM32F072B-Discovery
Replies: 0
Views: 813

OpenOCD Board file for STM32F072B-Discovery

Hi all! this is the .cfg file for STM32F072B-Discovery board to be used with OpenOCD. I don't know why but this micro use a different reset method. I hope this will be useful to some other. Bye # STM32F072B-Discovery board # http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/PF259724?icmp=stm...
by Fede
Mon Dec 09, 2013 2:25 pm
Forum: STM32 Support
Topic: Need explanations about Floating Point Unit
Replies: 17
Views: 6370

Re: Need explanations about Floating Point Unit

Thanks Giovanni, but i can't understand why it is a double precision... According to: http://www.st.com/st-web-ui/static/active/jp/resource/technical/document/application_note/DM00047230.pdf 3.5.1 Arithmetic instructions [pag. 14] The FPU offers arithmetic instructions for: ● Absolute value (1 cyc...
by Fede
Mon Dec 09, 2013 12:45 pm
Forum: STM32 Support
Topic: Need explanations about Floating Point Unit
Replies: 17
Views: 6370

Need explanations about Floating Point Unit

Hi all, I would like to use the fpu on stm32f4 Discovery board, to do that I have to set (USE_FPU = yes) in the makefile and that's all? so whether I write: float x = 2.0f * 5.0f; this will be calculated with fpu? I noticed these two rows in the bottom of makefile: ifeq ($(USE_FPU),yes) USE_OPT += -...
by Fede
Fri Sep 27, 2013 6:07 pm
Forum: User Projects
Topic: DS1307 RTC I2C library
Replies: 12
Views: 6329

Re: DS1307 RTC I2C library

Hi pito, thank you for your trouble-shooting!
I think that it is possible to use the standard tm structure... but sincerely this integration is too much... "time consuming for my stuff"

But this is downright a good idea...

Ps: Repo updated!
by Fede
Tue Sep 24, 2013 2:40 pm
Forum: User Projects
Topic: DS1307 RTC I2C library
Replies: 12
Views: 6329

Re: DS1307 RTC I2C library

Upgrading code ... ... ... Done!
by Fede
Tue Sep 24, 2013 1:56 pm
Forum: User Projects
Topic: DS1307 RTC I2C library
Replies: 12
Views: 6329

Re: DS1307 RTC I2C library

Hi pito! thanks again, i'll update the library with this trick... If you are interested, i would like to add you as author of ChibiOS TinyRTC DS1307 repo. (with R/W privileges) So you could upload your version (PCF8563) in the same repo... tell me about this idea... PS: only if you like to share you...
by Fede
Tue Sep 24, 2013 8:40 am
Forum: User Projects
Topic: DS1307 RTC I2C library
Replies: 12
Views: 6329

Re: DS1307 RTC I2C library

Thank you pito!
I'll update the library...
bye
by Fede
Mon Sep 23, 2013 2:38 pm
Forum: User Projects
Topic: DS1307 RTC I2C library
Replies: 12
Views: 6329

DS1307 RTC I2C library

Hi all! this is a first release of a small library that allow the communication with DS1307 RTC module... https://sourceforge.net/projects/chibiostinyrtcds1307/ [url]hg clone ssh://federossi@hg.code.sf.net/p/chibiostinyrtcds1307/code chibiostinyrtcds1307-code[/url] I hope that it will helpful to som...

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