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[on:]

I am currently trying to get SD card reading to work on my Arduino Mega.
I currently have both Mega models to test on (the 1280 & the 2560).

The adapter I'm using for my SD card is this one
http://iteadstudio.com/store/index.php?main_page=product_info&cPath=3&products_id=55&zenid=uqe03c4n47l2o82i8g47ubq563
With this shield to couple it to the Mega
http://iteadstudio.com/store/index.php?main_page=product_info&cPath=18&products_id=231

I am using the library, SDFAT

http://code.google.com/p/sdfatlib/downloads/list

I have modified the SD2pinmap.h lines 41 to 45 to this

Code:

// SPI port
uint8_t const SS_PIN = 49;      // SC 53 or 49???
uint8_t const MOSI_PIN = 52;    // data out
uint8_t const MISO_PIN = 50;    //data in
uint8_t const SCK_PIN = 51;     // CLK

I am trying to get the example SDfatinfo.pde to work, and modified the code from line 148 to 150.

Code:

pinMode(53, OUTPUT);                       // set the SS pin as an output (necessary!)
  digitalWrite(53, HIGH);                    // but turn off the W5100 chip! (not applicable)
  uint8_t r = card.init(SPI_HALF_SPEED, 53);  // Use digital 53 as the SD SS line

Running the gets this reply in the serial monitor (comments were added manually and are the different cards

Code:

//32MB Cannon

card.init failed
SD error
errorCode: 2
errorData: FF

type any character to start

//2nd 32MB Cannon

card.init failed
SD error
errorCode: 2
errorData: FF

type any character to start

//128MB Kodak

init time: 344

Card type: SD1
readCID failedSD error
errorCode: F
errorData: FF

type any character to start

//2BG Kingston MicroSD+adapter

init time: 624

Card type: SD2
readCID failedSD error
errorCode: E
errorData: FF

type any character to start

//4GB PNY SHDC microsd+adpater

init time: 359

Card type: SDHC
readCID failedSD error
errorCode: E
errorData: 1F

Can someone help me pinpoint why I can't read the info of any of the cards?

[Reply #1 on:]

I am also having this exact problem. Can anybody help this guy? Fixing his problem would fix mine.  

[Reply #2 on:]

no sd card

Code:

card.init failed
SD error
errorCode: 1
errorData: 0
 
type any character to start

[Reply #3 on:]

I have spent an hour looking for furthur documentation on this and have found none.

I spent another hour using my minimal experience looking through the code in the libraries trying to find where the error codes come from and have only found a headache.

Could any of you guys who are more experienced take a look at this as I really am just as frustrated and lost as OP.  [smiley=undecided.gif]

[Reply #4 on:]

Thank you much Richard Crowley. Yet another reason to not debug at 4am. Mine is a 32MB Cannon and threw the same errorcode: 2 that dwjp902 got. Dunno how I missed that, but here it is for Dwjp902.

Code:

//32MB Cannon
errorCode: 2 /** CMD8 was not accepted - not a valid SD card*/
errorData: FF
//your card is probably too small or not configured correctly.


//2nd 32MB Cannon
errorCode: 2 /** CMD8 was not accepted - not a valid SD card*/
errorData: FF
//your card is probably too small or not configured correctly.


//128MB Kodak
errorCode: F /** timeout while waiting for start of read data */
errorData: FF
//try doing a FULL FORMAT and maybe increase the value of [uint16_t const SD_READ_TIMEOUT = 300;]


//2BG Kingston MicroSD+adapter
errorCode: E /** read CID or CSD failed */
errorData: FF
//no idea what this means. need to research.


//4GB PNY SHDC microsd+ adapter
errorCode: E /** read CID or CSD failed */
errorData: 1F
//no idea what this means. need to research.

ALSO, I noticed the following in SdCard.h

Code:

// define software SPI pins so Mega can use unmodified GPS Shield
/** SPI chip select pin */
uint8_t const SD_CHIP_SELECT_PIN = 10;
/** SPI Master Out Slave In pin */
uint8_t const SPI_MOSI_PIN = 11;
/** SPI Master In Slave Out pin */
uint8_t const SPI_MISO_PIN = 12;
/** SPI Clock pin */
uint8_t const SPI_SCK_PIN = 13;

I suggest you change that to this:

Code:

// define software SPI pins so Mega can use unmodified GPS Shield
/** SPI chip select pin */
uint8_t const SD_CHIP_SELECT_PIN = 53;//10;  53 or 49?
/** SPI Master Out Slave In pin */
uint8_t const SPI_MOSI_PIN = 52;//11;
/** SPI Master In Slave Out pin */
uint8_t const SPI_MISO_PIN = 50;//12;
/** SPI Clock pin */
uint8_t const SPI_SCK_PIN = 51;//13;

[Reply #5 on:]

Hi, I have the same problem with an LCD Module (this) http://iteadstudio.com/store/index.php?main_page=product_info&cPath=3&products_id=55 and the shield (this one) http://iteadstudio.com/store/index.php?main_page=product_info&cPath=18&products_id=149

Any solution ¿?

[Reply #6 on:]

Yeah, I'm using the 3.2" version of that screen (http://iteadstudio.com/store/index.php?main_page=product_info&cPath=3&products_id=54&zenid=0cdtc1ifuchgll0puj502vfgq2) with the MEGA shield v1.1 (http://iteadstudio.com/store/index.php?main_page=product_info&cPath=18&products_id=231) and struggling to get the SD part to work.

This isn't the first thread I have seen on this topic either. Usually the thread just dies after a while with no clear resolution. As soon as any of us get that thing working, please share a link to the library for download + how you made it work and/or a modified version of the library for simplicity. Solve this issue once and for all!

[Reply #7 on:]

(Sorry for my English is not my native language)
Ok. I'm working with this  problem and trying different libraries, etc.

If i get work this shield , I share it!!! of course.

[Reply #8 on:]

I got it to work, I changed the speed value to 1/4

Code:

pinMode(53, OUTPUT);                       // set the SS pin as an output (necessary!)
  digitalWrite(53, HIGH);                    // but turn off the W5100 chip! (not applicable)
  uint8_t r = card.init(SPI_QUARTER_SPEED, 53);  // Use digital 53 as the SD SS line

and the info returned this

Code:

type any character to start

init time: 968

Card type: SD2

Manufacturer ID: 2
OEM ID: TM
Product: SA02G
Version: 0.3
Serial number: 1411765916
Manufacturing date: 5/2009

cardSize: 3854336 (512 byte blocks)
flashEraseSize: 128 blocks
eraseSingleBlock: true

part,boot,type,start,length
1,80,6,63,3854273
2,0,0,0,0
3,0,0,0,0
4,0,0,0,0

Volume is FAT16
blocksPerCluster: 64
clusterCount: 60215
fatStartBlock: 71
fatCount: 2
blocksPerFat: 236
rootDirStart: 543
dataStartBlock: 575
Data area is not aligned on flash erase boundaries!

[Reply #9 on:]

I formatted the SD card with this http://www.sdcard.org/consumers/formatter/ to remove the partition error.

Info returns this now.

Code:

type any character to start

init time: 401883

Card type: SD2

Manufacturer ID: 2
OEM ID: TM
Product: SA02G
Version: 0.3
Serial number: 1411765916
Manufacturing date: 5/2009

cardSize: 3854336 (512 byte blocks)
flashEraseSize: 128 blocks
eraseSingleBlock: true

part,boot,type,start,length
1,0,6,135,3854201
2,0,0,0,0
3,0,0,0,0
4,0,0,0,0

Volume is FAT16
blocksPerCluster: 64
clusterCount: 60214
fatStartBlock: 136
fatCount: 2
blocksPerFat: 236
rootDirStart: 608
dataStartBlock: 640

type any character to start

[Reply #10 on:]

Running the LS example with the modified quarterspeed, 53 line returns this

Code:

Type any character to start
Free RAM: 6942
Volume is FAT16

Files found in root:
128661~1.PNG  2010-10-09 04:31:54 306078
128902~1.JPG  2010-11-06 04:41:46 441175
EST.TXT       2010-11-21 04:25:44 0

Files found in all dirs:
128661~1.PNG
128902~1.JPG
EST.TXT

Done

[Reply #11 on:]

It works!

There were only tested SPI_HALF_SPEED.

Thank you so much