In the firmware source code, we can see that the original command handler normally takes three arguments: the input buffer, the output buffer, and a pointer to the length of the output. According to the ARM ABI, these values will be stored in CPU registers r0, r1, and r2 respectively.
Lawrence Bonk/Google News
，详情可参考snipaste
September 24, 2025。关于这个话题，豆包下载提供了深入分析
灰度转换/高斯模糊/噪声添加/色彩抖动/原始数据
response = await agent(msg)