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Last activity 2017-03-20 14:12:45 +0200 by Ankush

f_mkfs returns FR_DISK_ERROR

Hi all,

I my application I am interfacing SD card with nrf52 using FATFS file system. I am observing some weird behavior while doing this. I have two SD cards, one of 2GB sandisk and another of 8 GB Transcend ... (more)

140
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Last activity 2017-02-06 11:18:03 +0200 by Sigurd flag of Norway

Could not find SD Card (SDCard) library and example in Keil IDE after nRF5 SDK 12.2 Keil4 installation

Hi,

I downloaded the nrF5 SDK V12.2 from: https://www.nordicsemi.com/eng/Produc...

after unzip, I could see the SDCard library under "<Nordic Project>\nRF5_SDK_12.2.0_f012efa\components\libraries\sdcard"

I am a Keil user, so I ran ... (more)

306
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Last activity 2017-01-17 16:10:18 +0200 by Ankush

Code getting restarted after getting error as FR_DISK_ERR

Hi,

I am working on interfacing SD card with nrf52. I am sampling SAADC at 1000 sps and trying to write over SD card as well as sending over BLE. Both operations are working fine but after FR_DISK_ERR , entire code ... (more)

454
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1
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1
answer
Last activity 2017-01-10 08:44:01 +0200 by Ankush

How to use DMA in NRF52 while writing on SD card, while BLE is also operating?

Hi,

In my application of interfacing SD card with nrf52, I am using SAADC to sample the input signal at 1000 samples per seconds. These samples I am combining in 84 packets each consisting 12 samples and 20 bytes. In ... (more)

505
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2
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2
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Last activity 2017-01-04 15:05:03 +0200 by Ankush

How to open and access files in directory other than root directory in fatfs ?

Hi ,

I am working interfacing SD card with nrf52 using fatfs example given in SDK 12.0.0. While writing to text file created in root directory, code gets stopped as size of file becomes greater than 300kB. Is it ... (more)

260
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Last activity 2016-12-16 08:53:34 +0200 by Ankush

How to Write to SD Card at high rate ?

Hi All,

I have just started working on interfacing SD card with nrf52 using SDK 12.0. I have to write to SD card at a rate of 84 packets per second and each packet consists of 20 bytes. I ... (more)

62
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1
answer
Last activity 2016-12-12 14:36:22 +0200 by Ole Bauck flag of Norway

f_gets function in nef52 12.0 sdk issue

Hi ,

I am trying to interface SD card with nrf52. For this I am using fatfs example of new 12.0 sdk. I can able to write the data to file but when I am taking the data from terminal ... (more)

295
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Last activity 2016-12-11 12:31:36 +0200 by Ankush

unable to read the data from file using f_read in fatfs example of nrf52

Hi,

I am interfacing micro SD card with nrf52 using fatfs example in sdk 12.0. As I am beginner, first I wanted to perform operations like read, write, delete and some basic functions with files. I am able to ... (more)

298
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no
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1
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Last activity 2016-09-08 09:47:14 +0200 by Bart

NRF52 won't initialize micro-SD card into SPI mode

Hello people,

I'd like to use the NRF52832 (QFAAB0) / PCA 10040 / S132 development board as a data logger. For that I soldered a micro-sd card reader and started using the code found in another topic.

Any attempt to initialize ... (more)

461
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1
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Last activity 2016-02-22 13:20:12 +0200 by Martin Børs-Lind flag of Norway

MP3 decoding

Hi,

Can nRF52 do MP3 decoding with SD card? Any example library we can use? thanks.

1k
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10
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2
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Last activity 2014-09-29 11:02:29 +0200 by Salman

NRF51822 SD Card [closed]

Has anyone been able to get the NRF8122 working with an SD card, using SPI or any other means?

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