How to read the SD card ID in Linux Android-read the SD card ID (sd cid)

Original Works. reposted for the source!

 

 

Run the following command:

CAT/sys/devices/platform/jz-msc.0/mmc_host/mmc0/mmc0: 1234/CID

Or use wildcards

CAT/sys/devices/platform/jz-msc.0/mmc_host/mmc0/mmc0: */CID

 

Get 32 bytes of data:

0254 4d53 4130 3847 0610 ebb5 5000 a93f

 

In the kernel/Drivers/MMC/CORE/SD. c file:

The following array structure is used to save the SD card ID

 

Card-> raw_cid [0];

Card-> raw_cid [1];

Card-> raw_cid [2];

Card-> raw_cid [3];

 

 

Linux KernelCodeLocated:

 

Kernel/Drivers/MMC/CORE/SD. c

Kernel/Drivers/MMC/CORE/mmc. c

Kernel/include/Linux/MMC/card. h

Kernel/include/Linux/MMC/mmc. h

 

Keywords:

 

How to read the SD card ID in Linux Android -- read the SD card ID (sd cid)

Linux mmccard driver reads SD card ID

How to read the SD card ID

How to obtain the SD card ID

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