ChibiOS Free Embedded RTOS

Hi Giovanni,

sorry for leaving out some details.

⋅ The moment of observation is after the program has run into the stack overflow assertion
⋅ Using the CH_DBG_FILL_THREADS option, I can see that there is plenty of room left. The lowermost entry is about 150 bytes below the ...

Developing on an STM32L152RE Nucleo, I have observed the following strange behavior:
I am reading audio data from an SD card and writing the same to I2S. I currently have only one thread, which reads the data from the card. The (ISR-triggered) I2S callback then requests reading the next chunk of ...

While I have got to like ChibiOS and its HAL, setting up I2S to output data was not only fun. All I could find were some quite old threads in the forum, which were only of limited help.So I am sharing my notes how I achieved to get some sound from my STM32L152. Other STM32 devices are likely similar ...

Ciao Giovanni,
sei veloce come un fulmine. Grazie mille!

With stack checking enabled, this is what ChibiOS throws:

Program received signal SIGINT, Interrupt.
0x08002d10 in chSysHalt (reason=0x8005530 "stack overflow") at P:/Chibi/ChibiOS_19.1.3/os/rt/src/chsys.c:206
206 ch ...

Hello all,
being quite new both to ChibiOS and STM32 (but with several years of experience on MSP430), I am extremely reluctant to call the effect I am seeing here a bug, but it is hugely annoying. Maybe someone can point me in the right direction?
Setup: ChibiOS 19.1.3, ARM GCC 9.2.1 (from ARM site ...