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FAQ：usb从机枚举mass storage（从机读卡器）时，如何将mass storage对应的设备设置为只读状态？ #107

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lj-job opened this issue Jul 17, 2023 · 0 comments

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lj-job commented Jul 17, 2023

一、简洁

将scsi mode中的数值修改为写保护即可

二、实现

本方法适用于AD14N,AC104N;不适用于AD16N.
将scsi_mode_sense[2]修改为0x80即可，如下图所示：

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