wch experiments
https://www.wch.cn/products/WCH-Link.html
wmesg -w
[ 1223.228032] usb 1-9.2: new full-speed USB device number 14 using xhci_hcd
[ 1223.333465] usb 1-9.2: New USB device found, idVendor=1a86, idProduct=8010, bcdDevice= 2.07
[ 1223.333497] usb 1-9.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1223.333509] usb 1-9.2: Product: WCH-Link
[ 1223.333517] usb 1-9.2: Manufacturer: wch.cn
[ 1223.333524] usb 1-9.2: SerialNumber: 0001A0000000
[ 1223.355473] cdc_acm 1-9.2:1.1: ttyACM0: USB ACM device
sudo cp 49-wch-link.rules /etc/udev/rules.d/
sudo udevadm control --reload-rules && sudo udevadm trigger
https://github.com/ch32-rs/wlink
cargo install --git https://github.com/ch32-rs/wlink
~/.cargo/bin/wlink status
MCU: CH32V203C8T6
https://github.com/openwch/ch32v20x
| WCH-Link | EVB | MCU |
|---|---|---|
| 3V3 | P2.4 | 3V3 |
| GND | P2.6 | GND |
| SWDIO | P2.8 | PA13 |
| SWCLK | P2.10 | PA14 |
| RST | P2.12 | NRST |
MCU: CH32V003F4P6
| WCH-Link | EVB | MCU |
|---|---|---|
| 3V3 | P2.2 | 3V3 |
| GND | P2.4 | GND |
| SWDIO | P2.6 | PD1 |
MCU: CH32V307VCT6
Schematic: https://github.com/openwch/ch32v307/blob/main/EVT/PUB/CH32V30xSCH.pdf
P6: USB HS connector
- PB6: D-
- PB7: D+
Connect tor Goryn
| port | f1 | f2 | 305 | J3 | J4 | W |
|---|---|---|---|---|---|---|
| PD2 | SD_CMD | 26 | 36 | |||
| PC12 | SPI3MOSI | SD_CK | 25 | 40 | ||
| PC11 | SPI3MISO1 | SD_D3 | 24 | 41 | ||
| PC10 | SPI3SCK1 | SD_D2 | 23 | 42 | ||
| PA14 | SWCLK | 22 | 27 | |||
| PA13 | SWDIO | 19 | 29 | |||
| PC9 | SD_D1 | 18 | 47 | |||
| PC8 | SD_D0 | 17 | 48 | |||
| PB15 | SPI2MOSI | 16 | 13 | |||
| PB14 | SPI2MISO | 15 | 11 | |||
| PB13 | SPI2SCK | 14 | 9 | |||
| PB12 | SPI2NSS | 13 | 15 | |||
| PB11 | 12 | 3 | ||||
| PB10 | 11 | 1 | ||||
| PA7 | SPI1MOSI | 10 | 31 | |||
| PA6 | SPI1MISO | 9 | 29 | |||
| PA5 | SPI1SCK | 8 | 38 | |||
| PA4 | SPI1NSS | 7 | 36 | |||
| PC3 | 5 | 37 | ||||
| PC2 | 4 | 35 | ||||
| NRST | 3 | |||||
| PD1 | 2 | 38 | ||||
| PD0 | 1 | 39 |