Micro:bit V2 operating system

micro:bit Show & Tell
1

Micro:bit V2 operating system with programs such as: games, tools, calculator, clock, turtle, bluetooth, creating text / numbers / music / images, billy Text To Speech, Serial / UART, data logging and settings.

You can check all of the features and hex file in the github link.

Any settings will be saved in flash storage and will be kept after restart. If any problems with flash storage extension - reflash the hex file.

4 Likes
2

Wow! Interesting project @Xc98 !

I havenā€™t had a chance to try it, but I thought Iā€™d mention some coding tricks that are sometimes useful:

  1. I noticed a big if-else with things like uns = unslist[0] * 10 + unslist[1]. Thereā€™s a clever trick you can do with loops instead (based on Hornerā€™s Method). Itā€™d be something like:
let uns = 0;
for (let i = 0; i < unslist.length ; i++) {
    uns = unslist[i] + 10*uns
}
  1. Itā€™s also possible to create shortcuts for some of the other if-statements, like changing the first 7 parts of:
 } else if (selected_menu == 2) {
            bitmap = sysimages[1]
...

to:

else if (selected_menu <= 8 ) {
            bitmap = sysimages[selected_menu-1]
} else ...
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Can you post the link in a Micro Bit program, please? Whenever I try to import the project into the program, it says ā€˜Network request failed, it appears that you are offlineā€™, so I canā€™t open the project. If anyone could shed some light on this, I would greatly appreciate it!

4

There ya go

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5

Your Github link leads to nowhereā€¦

6

I have long moved from making projects on the microbit, the previous makecode link is the last version i have, any updated versions are lost.

I did start on making a completely new version rewriting the entire project, but i found out that on my only v2 microbit the B button was often not responding and few pins were not working, lost motivation and abandoned the project.