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Timeline for Read CID from SD card with ESP8266

Current License: CC BY-SA 3.0

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Mar 5, 2018 at 20:47 vote accept Marco
Mar 5, 2018 at 2:22 comment added Marco I think I need get raw cid. Any idea for get on Arduino? The complete CID (32 digits, like this: 041641534d492d534403000000001601)
Mar 2, 2018 at 21:28 comment added Majenko The Linux kernel handles two different formats of CID. Maybe that has something to do with it. The source is here.
Mar 2, 2018 at 21:16 comment added Majenko What device are you using for this test? (the Linux device I mean)...?
Mar 2, 2018 at 20:14 comment added Marco Yes, because when I disconnect the sd card... this folder "MMCBLK0" disappears... and when I connect the sd card... this folder "MMCBLK0" appears... Is it OK?
Mar 2, 2018 at 20:03 comment added Majenko Are you sure that you are looking at the right device?
Mar 2, 2018 at 19:46 comment added Marco The CID I find in this file SYS->BLOCK->MMCBLK0->DEVICE->cid and the serial I find in this file SYS->BLOCK->MMCBLK0->DEVICE->serial
Mar 2, 2018 at 18:51 comment added Majenko How are you getting the data in Linux?
Mar 2, 2018 at 18:30 comment added Marco These are the data obtained from Linux: cid: 041641534d492d534403000000001601 serial: 0x03000000 And these are the data obtained from ESP8266: cid (with your code): 1210174E4361726410001C5019AF0000 serial (whit cid.psn): 0xAF1900C5 Then, apparently it is not showing the correct dada... I think something is wrong with the code. Please help me.
Mar 2, 2018 at 15:17 comment added Marco Thank you for your help. I tried this and I got: 12 10 17 4D 49 42 53 54 2 0 0 5 A2 0 19 11 0 0 0 0 I know that is wrong because I got serial of sd card on linux and the real serial number ir "0x000005a2" and what I really want is the complete cid number as shown here a.d-cd.net/ec9effas-960.jpg I´m very grateful –
Feb 28, 2018 at 16:41 history answered Majenko CC BY-SA 3.0

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