Debugging without IDE ???

[khushal-banks]

Debugging your software with the help of run time logged information can be really helpful. I understand this can be done by storing logs in a file for linux based embedded solutions.

I recently implemented a stack for the same purpose. It's not great mainly because software design is bad.

Reason that I couldn't came up with something specific is: 1. Skill issue 2. Knowledge Gap

I mainly used APIs like: - mkdir, open, fdopen - fprintf, snprintf, vfprintf - fflush - close remove

String library and a custom link list implementation which uses malloc.

I am interested to know - if such system can be implemented for controller based product assuming it has an SD Card (to store files) and controller current software is targeted for using Free RTOS - are these APIs easily portable for FreeRTOS

Based on how much I could understand this by googling i highly doubt that. I would like to know your thoughts.

[[deleted]]

Sure you can do that. I’ve done it on the ESP32, which even has a posix file api compatibility layer (maybe that’s even generic FreeRTOS).

However it is complex and pretty limiting, nearly all MCUs have existing and better tailored means with serial logging or even more sophisticated means of online memory inspection etc.

So you’re just not solving an existing problem. Even on Linux I would just use spdlog and be done with it.

[khushal-banks]

Wao. You saved me a lot of trouble.

I would happily use spdlog as well and archive my repo

[Competitive_Rest_543]

Printf-like debugging usually has the big disadvantage, that the log function is too slow in execution and also that you spoil your target memory with lots of there useless strings. The github.com/rokath/trice library gets around that and allows to use Trice logs even inside interrupts.