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<div style="font-size: 10pt;"><div dir="auto">I don't have the circuit handy.</div><div dir="auto">Does the sdcard chip and processor chip have filter caps and stabilization caps (for current draw surge)?</div></div><div style="font-size: 10pt;"><div id="LGEmailHeader" dir="auto"><div dir="auto"><br></div><div dir="auto">------ Original message------</div><div dir="auto"><b>From: </b>Stephen Casner<casner@acm.org></casner@acm.org></div><div dir="auto"><b>Date: </b>Wed, Oct 4, 2017 6:51 PM</div><div dir="auto"><b>To: </b>OVMS Developers;</div><div dir="auto"><b>Cc: </b></div><div dir="auto"><b>Subject:</b>Re: [Ovmsdev] OVMS v3 getting started</div><div dir="auto"><br></div></div><pre>On Mon, 25 Sep 2017, Mark Webb-Johnson wrote:
> I’m having problems getting SD CARDs to work reliably. Some work
> recognise at all (a timeout error when mounting), and some will
> recognise but fail under heavy writes to the sd card. Frustrating as
> hell. I don’t think it is a hardware issue (even the googling that
> error message points to pull-up resistors as the culprit), but
> suspect some issue with the ESP IDF 2.1 library we are using. We’re
> working on this one at the moment. I would appreciate your feedback,
> when you get the boards, as to whether you get any success with SD
> CARDs.
I have a SanDisk Ultra 32GB micro SD card left over from playing with
a Raspberry Pi. It is formatted FAT32 with name RECOVERY. When I
insert it into the OVMS v3 and try the sd mount command, I get:
OVMS > sd mount
Error: SD CARD could not be mounted
E (75093) sdmmc_cmd: sdmmc_card_init: send_scr returned 0x107
-- Steve
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