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using old microSD cards version 1 #23

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krishnak opened this issue Apr 9, 2020 · 1 comment
Open

using old microSD cards version 1 #23

krishnak opened this issue Apr 9, 2020 · 1 comment

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@krishnak
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krishnak commented Apr 9, 2020

I am trying to use a micro SD card version 1 - the card is brand new, however its made 10 years ago. The driver code here

MicroPython_K210_LoBo/k210-freertos/platform/sdk/kendryte-freertos-sdk/lib/drivers/src/storage/sdcard.cpp

Line 516 in 68a6b75

sd_send_cmd(SD_CMD8, 0x01AA, 0x87);

doesn't support older version SD cards. Is there any know opensource code which supports older SD cards?
@loboris
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loboris commented Dec 22, 2020

The SD Card driver is much improved and it now supports all kinds of SDCards (even the 128MB - 256MB SDFlash chips).
The update will be commited to the repository this week.

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@krishnak @loboris