10 years ago I went on a similar journey. I left faang to work on a startup working on embedded firmware for esp8266. The lack of tooling was very frustrating.

10 years ago I went on a similar journey. I left faang to work on a startup working on embedded firmware for esp8266. The lack of tooling was very frustrating. I ended up writing a gdb stub (before espressif released one) and a malloc debugger (via serial port) just to manage to get shit done.