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by Giovanni
Wed Jan 14, 2026 7:43 pm
Forum: ChibiOS/RT
Topic: float acting like double
Replies: 7
Views: 88

Re: float acting like double

It can cache also internal SRAMs so be careful if you access data with DMAs.

Giovanni
by Giovanni
Wed Jan 14, 2026 4:53 pm
Forum: STM32 Support
Topic: STM32H7 MAC status
Replies: 3
Views: 74

Re: STM32H7 MAC status

It is possible there is an error, try comparing with MACv1, it is very different.

Giovanni
by Giovanni
Wed Jan 14, 2026 4:50 pm
Forum: ChibiOS/RT
Topic: float acting like double
Replies: 7
Views: 88

Re: float acting like double

Device? is there a cache involved?

Giovanni
by Giovanni
Wed Jan 14, 2026 6:25 am
Forum: STM32 Support
Topic: STM32H7 MAC status
Replies: 3
Views: 74

Re: STM32H7 MAC status

Play with GPIO settings and check the PHY datasheet and board schematic, those often do tricks with pullups/pulldowns to latch the PHY address.

Giovanni
by Giovanni
Tue Jan 13, 2026 8:28 am
Forum: ChibiOS/RT
Topic: float acting like double
Replies: 7
Views: 88

Re: float acting like double

A float is single precision, 4 bytes in size, manipulating it from another thread makes no difference.

Giovanni
by Giovanni
Sat Jan 10, 2026 5:44 am
Forum: ChibiStudio
Topic: Compiler and version being used
Replies: 7
Views: 138

Re: Compiler and version being used

I meant the environment variable PATH, makefiles just use the 1st compiler found named as arm-none-eabi-*, there is no compiler selection from within makefiles nor explicit compiler paths . Open a terminal, give the command "arm-none-eabi-gcc --version", that is the compiler that will be u...
by Giovanni
Fri Jan 09, 2026 8:28 pm
Forum: ChibiStudio
Topic: Compiler and version being used
Replies: 7
Views: 138

Re: Compiler and version being used

Makefiles use the compiler found in paths, to see the version run: arm-none-eabi-gcc --version

Giovanni
by Giovanni
Fri Jan 09, 2026 7:14 pm
Forum: ChibiStudio
Topic: Compiler and version being used
Replies: 7
Views: 138

Re: Compiler and version being used

It is the console output compiling any demo with "make".

Giovanni
by Giovanni
Fri Jan 09, 2026 6:12 pm
Forum: ChibiStudio
Topic: Compiler and version being used
Replies: 7
Views: 138

Re: Compiler and version being used

Hi,

Makefiles include a common file called rules.mk, all options are handled there. When you compile all used options appear in the 1st line of the compile log.

Giovanni
by Giovanni
Tue Jan 06, 2026 8:11 pm
Forum: Bug Reports
Topic: STM32G0xx patches
Replies: 3
Views: 3295

Re: STM32G0xx patches

Hi,

I added a shared handler, see stm32_usb1_ucpd1_2.inc to see the general direction for shared IRQs, it is not yet enabled on G0 because I need to update all mcuconf.h files 1st.

Giovanni

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