Posts by Lundin‭

They aren't specific to the project, but to the MCU. As long as you use the same MCU for multiple projects, they will be code compatible. Some hardware peripherals are even code compatible between ...

posted 3y ago by Lundin‭  ·  edited 3y ago by Lundin‭

I can think of a couple of reasons: Lower frequencies mean superior range at the same output power. Whereas for example 2.4 GHz technologies tend to behave much more "directional" on short ranges...

posted 3y ago by Lundin‭

My biggest concern is that it will get too random and low quality. The worst that can happen is something similar to SO's failed "Documentation project" a couple of years ago, where users were to w...

posted 4y ago by Lundin‭

Using pointer types In C, an object pointer such as uint8_t* ptr is the equivalent concept to use for hardware addresses. A compiler makes this pointer type large enough to contain all addresses in...

posted 4y ago by Lundin‭

When writing firmware in C for a microcontroller, how can I directly access a memory location such as a hardware peripheral register, given its absolute address? Is there a way to do this safely an...

1 answer  ·  posted 4y ago by Lundin‭  ·  edited 4y ago by Lundin‭

One rule of thumb is that a CAN network should never have any error frames when it is up and running. It is expected to have some when all nodes are "waking up", or if you hot plug something to the...

posted 4y ago by Lundin‭  ·  edited 4y ago by Lundin‭

I can't get my CAN bus application (ISO 11898-2, classic "high speed CAN") working and I'm receiving various CAN error frames. These error frames manifest themselves as sequences of 6 bits with my ...

1 answer  ·  posted 4y ago by Lundin‭  ·  last activity 4y ago by Lundin‭

Hi there! The on-topic page https://electrical.codidact.com/help/topics might need a bit of tweaking and discussion. I think it is important that such a page attempts to be as specific as possible ...

posted 4y ago by Lundin‭