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Discussion Groups | Comp.Arch.Embedded | sdcard access problem to lpc2378

There are 2 messages in this thread.

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sdcard access problem to lpc2378 - raveendran - 08:00 02-09-08

Hi,
 i am new to arm lpc2378 processor. i want access sdcard in lpc 2378
processor. i downloaded example code for version chaN 0.05/nxp 1.4/mt 0.3,
i am running this code and given command to processor- di 0 :command for
initialization of sdcard i am getting this output. pls help me what is the
problem in my code.

SDcard details:1GB
 
    command: di 0

MCI_DMA Enabled
MCI_INTI ok
timeout CMD8 - SD_Card version 2.0 or MMC
MCI_Send_ACMD failed - MMC, invalid power range or no card
unknown card
check_CID failed
Set_CSD failed
select_card _failed
set_blocklen failed
set_blocklen ok
select timeout changing to trans
wait_ready: send_status invalid_response
wait_ready: time out stby or trans
deselct timeout waiting trans or stby
MCI_POWER 0x00000000

thanks



Re: sdcard access problem to lpc2378 - Rich Webb - 09:10 02-09-08

On Tue, 02 Sep 2008 07:00:57 -0500, "raveendran" <s...@gmail.com>
wrote:

>Hi,
> i am new to arm lpc2378 processor. i want access sdcard in lpc 2378
>processor. i downloaded example code for version chaN 0.05/nxp 1.4/mt 0.3,
>i am running this code and given command to processor- di 0 :command for
>initialization of sdcard i am getting this output. pls help me what is the
>problem in my code.

You're using an "=" instead of "==" on line 683.

-- 
Rich Webb     Norfolk, VA