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ST makes some STM32s with powerful ARM cores and rudimentary, but built in GPUs,which they call microcontrollers, while Espressif has always called the ESP range SOCs.

For example the Raspberry Pi Zero is a Linux board, while the Raspberry Pi Picos RP2040 processor lacks the required hardware to run everybodys favourite UNIX-like operating system.

Its the work of the respected former Linux kernel developer and maintainer Alan Cox, and consists of a kernel, a C compiler, and a set of core UNIX-like applications.

Pico Text Editor Linux Learning Unix Full Set Of

For now, the multitasking support isnt quite there and NAND flash support is broken, but it does have SD card support for a proper UNIX filesystem and the full set of core tools.

Perhaps most interestingly, it only occupies a single core of the dual-core chip, leaving the possibility of the other core and those PIOs to be used for other purposes.

If youd like to learn a little more about the genesis of UNIX, we took a look in 2019.

Real time, real world control systems dont need floating point if youre using 32-bit numbers, because you have a dynamic range of FOUR BILLION to one.

If the code scales each input properly, there is no risk of overflow or underflow.

Floating point is only needed for general purpose computing where you have no idea what orders of magnitude you will be working with.

Just watch your intermediate values and keep everything close to 1.0, scale was needed on the way in and out, and youre golden.

Different speeds, number of cores, FPU, MPU, MMU, WiFi, Bluetooth, cryptography, etc.

So assuming RISC-V makes it into the big time, its sure to happen.

Ill never forgive them for releasing a product without extensive personal consultation regarding my requirements and feelings.

The original Pi through the 4b and 400 are all complete computers literally just plug in a keyboard, mouse, monitor, and power supply.

The Pico is verly little more than just a breakout board for the RP2040 chip.

Which is exactly what I need sometimes, but it is emphatically NOT a single board computer.

In fact, microcontrollers usually have MORE resources than microprocessors, because MCUs are designed to be used with minimal additional hardware, while MPUs expect to need more external interfacing.

Yes, you can have a single-board computer based on a microcontroller, BUT, this single board is little more than a breakout for the RP2040 chip.

It does not include any of the interface logic, especially things like level shifters and differential line drivers, needed to connect directly to peripherals such as HDMI.

That should be the criterion: can you complete the system with nothing more than standard peripherals such as monitors, keyboards, and other basic IO I dont believe this is the case with the Pico.

There is a DVI implementation using one core and one PIO, which can output a decent color image.

I think it meets all the the criteria for it to be called a computer.

Pico Text Editor Download Linux Learning Unix For Mac