Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

JTAG时钟频率是否能够修改 #8

Open
Liuyufanlyf opened this issue Jul 15, 2022 · 1 comment
Open

JTAG时钟频率是否能够修改 #8

Liuyufanlyf opened this issue Jul 15, 2022 · 1 comment

Comments

@Liuyufanlyf
Copy link

在openocd中下载文件时,出现了Info : This adapter doesn't support configurable speed的输出,是否意味着本项目的JTAG时钟频率是写死的无法修改呢?如果时钟频率只能选择最高,在从机速度慢或者接线条件差的情况下是否会导致无法使用的问题呢?

@awen404
Copy link

awen404 commented Jul 25, 2022

在usb-jtag-spi/src/MCU/USB_JTAG_SPI_CH32V30x/User/myfile/文件夹下有一个协议文档:USB转JTAG-SPI接口通信协议_V100,里面有D0初始化命令的介绍,可支持切换模式和6种速度调节(2.25MHz-72MHz),如果需要修改,可以修改openocd中对应D0的代码。

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

2 participants