rpi pico warning pri kompilacii

[konference na vojtek.biz]

Konkretne tento HW neznam, ale podle hlasek jsou to neimplementovane
virtualni fce a pokud je neco, nebo  nekdo zavola padne to na hubu – proto
je to warning a ne chyba.

Asi bych zacal nejakym navodem stylu step by step. Tam byvaji tyhle veci
vysvetlene / vyresene.

J.V.

 

 

From: Hw-list <hw-list-bounces na list.hw.cz> On Behalf Of Lukac Michal
Sent: úterý 27. prosince 2022 1:09
To: HW-news <hw-list na list.hw.cz>
Subject: rpi pico warning pri kompilacii

 

Zdravim, chcel by som si nieco vyskusat s rpi pico.

Nainstaloval som SDK podla navodu ale pri kompilacii prikladov mi to pise
tieto chyby. (aj jednoduche blikanie ledkou.) 

 

c:/progra~2/armgnu~1/12dbab~1.2re/bin/../lib/gcc/arm-none-eabi/12.2.1/../../
../../arm-none-eabi/bin/ld.exe:
c:/progra~2/armgnu~1/12dbab~1.2re/bin/../lib/gcc/arm-none-eabi/12.2.1/thumb/
v6-m/nofp\libg.a(libc_a-closer.o): in function `_close_r':

closer.c:(.text._close_r+0xc): warning: _close is not implemented and will
always fail

c:/progra~2/armgnu~1/12dbab~1.2re/bin/../lib/gcc/arm-none-eabi/12.2.1/../../
../../arm-none-eabi/bin/ld.exe:
c:/progra~2/armgnu~1/12dbab~1.2re/bin/../lib/gcc/arm-none-eabi/12.2.1/thumb/
v6-m/nofp\libg.a(libc_a-lseekr.o): in function `_lseek_r':

lseekr.c:(.text._lseek_r+0x10): warning: _lseek is not implemented and will
always fail

c:/progra~2/armgnu~1/12dbab~1.2re/bin/../lib/gcc/arm-none-eabi/12.2.1/../../
../../arm-none-eabi/bin/ld.exe: warning: test.elf has a LOAD segment with
RWX permissions.

 

Ten poisledny warning som nasiel ze staci potlacit hlasenia toho typu.

https://github.com/raspberrypi/pico-sdk/issues/1029

 

ale neviem co s tymi funkciami. Je to OK alebo to treba nejak osetrit?

Ak som to spravne pchopil mal by som si ich napisat sam ale neviem vobec ako
a co presne maju robit.

Teraz mam nainstalovanu verziu
arm-gnu-toolchain-12.2.rel1-mingw-w64-i686-arm-none-eabi.

Na druhom PC este asi z pred roka ver. 11.2 a tam mi to nerobi.

 

https://community.arm.com/support-forums/f/compilers-and-libraries-forum/535
19/arm-gcc-11-3-rel1-newlib-nano-linker-warning-_read-is-not-implemented-and
-will-always-fail

 

dik, 

Michal.

 

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