ch32v307
| ch32v307 | nanoCH32V305 | |
|---|---|---|
| 8 | 11 | |
| 349 | 17 | |
| - | - | |
| 4.1 | 10.0 | |
| 3 days ago | over 1 year ago | |
| C | ||
| - | - |
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ch32v307
- My alpha Pico-based CH32V003 debug tool is ready for a few testers
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Hardware/software to run RISC-V ASM?
VCC-GND Studio is about to launch similar boards based on CH32V307.
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EPS32 but for wired Ethernet instead?
But if you're looking for RISC-V + integrated PHY, take a look at WCH's CH32V307 - just add magnetics, termination and an RJ45 jack and you've got 10BaseT.
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MCU dev board with 5 UARTs?
Yes, English datasheets can be found - along with code examples, board schematics etc - at the openwch/ch32v307 Github repo.
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Useful Tools and Resources for RISC-V development
More realistically, I DO think there's value for a terminal server that's just an ethernet connection (even one that's ancient) with some amount of programmability that's connected to 80 GPIO pins, some of which may be serial ports. I could imagine testing 1-2 Raspberry Pi-class with a bed of nails style test jig that confirms that all the GPIO, JTAG, and such are at least toggleable by sending synchronized signals to the BeagleBone/VisionFive/ESP32-C3/ whatever to confirm that all the I/O pins survived the fine wires from the wafer to the package plus all intervening PCB vias and soldering and so on. (Maybe you can't test board X with another board X because there's a different number of inputs and outputs.)
- The RISC-V MCU CH32V307 is a bad boy
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New $10 Risc-V development board
looks to be IMAFC from the PDF on their github (https://github.com/openwch/ch32v307/blob/main/Datasheet/CH32V20x_30xDS0.PDF)
nanoCH32V305
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Recommend MCU with dual USB - one host and one device IF?
If you are willing to try r/RISCV ones, then nanoCH32V203 (with two Full-Speed interfaces) and nanoCH32V305 (with one Full-Speed and one High-Speed interface) might be enough.
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RP2040 based MCU for dactyl in the works
There are dual USB r/RISCV boards with GPIO pins exposed, like nanoCH32V203 and nanoCH32V305.
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USB on pi pico
There are RISC-V MCUs that have two USB interfaces, but those are not supported by QMK yet. I tried some of those boards in kite project.
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Dvorak with Qwerty hotkeys in Excel and Word
Kite has standard shortcuts option too, but it runs on dedicated MCU board, not host PC.
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USB Dongle to convert Colemak keyboard to QWERTY keystrokes?
RISC-V boards cost $3-$6 depending if you want high speed USB or full speed one.
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What is the go-to MCU if you need more pins than a promicro/elite?
u/Bounty1Berry is exploring RISC-V nanoCH32V305 board, but it's a new board that is not supported by (Q|T|Z)MK yet, so not really go-to option at this stage.
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nanoCH32V003 board
Their earlier boards like nanoCH32V203 and nanoCH32V305 were more user friendly, one could flash those via USB without WCH-Link.
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Hardware/software to run RISC-V ASM?
Muse Lab has MCU boards like nanoCH32V203 and nanoCH32V305.
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Keymap iterator
It runs on nanoCH32V305 dual USB r/RISCV MCU board.
- CH32V305 Development Board from MuseLab
What are some alternatives?
pico-examples
riscv-isa-sim - Spike, a RISC-V ISA Simulator
ch32-rs - Embedded Rust device crates for WCH's RISC-V and Cortex-M microcontrollers
nanoCH32V203
Energia - Fork of Arduino for the Texas Instruments LaunchPad's
ch32v003 - CH32V003 is an ultra-cheap RISC-V MCU with 2KB SRAM, 16KB flash, and up to 18 GPIOs that sells for under $0.10
freedom-tools - Tools for SiFive's Freedom Platform
ChibiOS-Contrib - Community contributed code (ports, drivers, etc).
riscv-openocd-wch - This is the OpenOCD source code modified to support WCHlink and CH32Vxxx MCUs, received from MounRiver after my GPL request, and published here as a service for everyone interested, BTW: 8bitgeek is putting in a lot of effort to make it workable on Linux, check their fork! I claim no copyright on any of it, and I'm only exercising the rights granted by the GPL.
nanoCH32V003
RISC-V-Guide - RISC-V Guide. Learn all about the RISC-V computer architecture along with the Development Tools and Operating Systems to develop on RISC-V hardware.
keyboard-quantizer-doc - Convert your keyboard QMK enabled