IronOS | serv | |
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87 | 20 | |
6,835 | 1,258 | |
- | - | |
8.8 | 7.6 | |
26 days ago | 26 days ago | |
C | Verilog | |
GNU General Public License v3.0 only | ISC License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
IronOS
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Accessing the Pinecil UART with Picoprobe
So apparently the Pinecil is a BLE-enabled soldering iron with a 108 MHz RISC-V processor running a custom real-time operating system [0]. The author wanted to access the UART logs, so they repurposed a Raspberry Pi Pico (a dual-core microcontroller system running a real-time OS) for the task.
That's a staggering amount of hardware, sortware and computing power devoted to decoding one of the simplest and oldest serial protocols from a device whose sole purpose is to essentially melt tin. Maybe I'm out of touch, but I think I'll stick to my thermostat-controlled Weller soldering station and FTDI UART converters. I apologize if this post comes across as snarky, my point is that these are solved problems and have been for half a century.
[0] https://github.com/Ralim/IronOS
- IronOS: Open-source soldering iron firmware
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IronOS on a TS101 soldering iron
I got a TS101 and wanted to switch to IronOS straight away as it seems like an improvement to stock firmware. On the website it says that TS101s are supported, but there is no file for it. I figured it must be the TS100 .hex file, but flashing it just gives me an error (a .NOT file). Is the TS101 really supported and how do I flash the firmware in that case?
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Beginner Soldering Iron T12 Mini vs Pinecil?
but the pinecil can also use IronOS https://github.com/Ralim/IronOS
- FET: The Friendly Efficient Transistor
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Newbie here
Look at this ticket in Ralim's IronOS, all 4 people same issue and all they had to do was clean their Cartridges with IPA 90-99% Alcohol. https://github.com/Ralim/IronOS/issues/1601
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How to Get Started in Soldering for Beginners
I'm very happy with the Pinecil. The $25 price is very reasonable for a reliable soldering iron that is open source hardware[1] and runs on free and open source firmware.[2]
[1] Schematics: https://wiki.pine64.org/wiki/Pinecil:_How_to_Repair#Schemati...
[2] IronOS: https://github.com/Ralim/IronOS
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Is 90W USB-C laptop charger OK for Pinecil V2? 4.5A too much?
Also, I'm not sure what exactly is happening with the OS on the irons, because I thought the pinecils shipped with IronOS but it may be an old or cut down version because when I loaded the latest https://github.com/Ralim/IronOS on my pinecils I just ordered two weeks ago, I definitely got a ton of options I didn't have before.
serv
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RISC-V support in Android just got a big setback
> Right now, most devices on the market do not support the C extension
This is not true and easily verifiable.
The C extension is defacto required, the only cores that don't support it are special purpose soft cores.
C extension in the smallest IP available core https://github.com/olofk/serv?tab=readme-ov-file
Supports M and C extensions https://github.com/YosysHQ/picorv32
Another sized optimized core with C extension support https://github.com/lowrisc/ibex
C extension in the 10 cent microcontroller https://www.wch-ic.com/products/CH32V003.html
This one should get your goat, it implements as much as it can using only compressed instructions https://github.com/gsmecher/minimax
- SERV – The SErial RISC-V CPU
- SERV: A bit-serial RISC-V core
- SERV – open-source Tiny SErial RISC-V CPU
- How many LUT for an 8 bit CPU?
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Minimax: a Compressed-First, Microcoded RISC-V CPU
In short: it works, though the implementation lacks the crystal clarity of FemtoRV32 and PicoRV32. The core is larger than SERV but has higher IPC and (very arguably) a more conventional implementation. The compressed instruction set is easier to expand into regular RV32I instructions than it is to execute directly.
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Apple to Move a Part of Its Embedded Cores to RISC-V
https://github.com/olofk/serv
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I have created a Reddit community about PicoBlaze soft processor...
As for the size advantage: this mattered more when LUTs were precious and when PicoBlaze's competition was either similarly unorthodox (J1 Forth CPU) or several times larger (MicroBlaze). Nowadays, there are very small RISC-V cores like FemtoRV32 Quark or SERV. RISC-V benefits from mainstream open-source tooling and has momentum that's hard to beat.
- Microchip to develop 12-core RISC-V processor for NASA
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RISC-V announces first new specifications of 2022 adding to 16 ratified in 2021
The RISC-V spec does allow non-trapping behavior and SeRV in particular has non-trapping behavior, which is an important part of how it can fit into 200 4-input LUTs.
https://github.com/olofk/serv#good-to-know
What are some alternatives?
stm32-bootloader - Customizable Bootloader for STM32 microcontrollers. This example demonstrates how to perform in-application-programming of a firmware located on an external SD card with FAT32 file system.
neorv32 - :rocket: A tiny, customizable and extensible MCU-class 32-bit RISC-V soft-core CPU and microcontroller-like SoC written in platform-independent VHDL.
gd32vf103-pinecil-demo-rs - Trying embedded Rust on the Pinecil GD32VF103 RISC-V device.
riscv-cores-list - RISC-V Cores, SoC platforms and SoCs
Otter-Iron - A TS100 USB-PD replacement PCB.
fusesoc - Package manager and build abstraction tool for FPGA/ASIC development
stm32_soldering_iron_controller - Custom firmware for Quicko and KSGER T12 soldering stations
neo430 - :computer: A damn small msp430-compatible customizable soft-core microcontroller-like processor system written in platform-independent VHDL.
nitrokey-pro-firmware - Firmware for the Nitrokey Pro device
psram-tang-nano-9k - An open source PSRAM/HyperRAM controller for Sipeed Tang Nano 9K / Gowin GW1NR-LV9QN88PC6/15 FPGA
smbusb - USB SMBus Interface
edalize - An abstraction library for interfacing EDA tools