sd expeditions

s5pc11x smdkc110 Samsung s5pc110@ Echo "text_base = 0xc3e00000"> $ (OBJ) Board/Samsung/smdkc110/config. mk Note: smdkv210_nand_config and smdkv210_sd_config are newly added statements for configuring NAND and SD cards; Create a uboot compilation script named Mk. The content is as follows:#! /Bin/sh# Create by liuqiming# Date: 2011-11-24 Mode = $1 Cpu_num = $ (CAT/proc/cpuinfo | grep processor | WC-l)Cpu_num = $ (cpu_num + 1 )) Mkdir-P/home/lqm/share/

The Raspberry Pi has just installed the Ubuntu Mate system, opening the home folder and discovering that there is not enough spaceThis is not an extended store to the entire SD card, but the Raspi-config command in Ubuntu Mate is not yet available.There's a way here.After you enter sudo fdisk/dev/mmcblk0,Enter D 2 n P 2 (key on keyboard) and press two times enter (enter)Then press W to exit and restartThen open the terminal inputsudo resize2fs/dev/mmc

Reference http://shumeipai.nxez.com/2014/05/18/raspberry-pi-under-mac-osx-to-install-raspbian-system.html(/DEV/DISK1S1 is a partition,/dev/disk1 is a block device,/dev/rdisk1 is a raw character device)The following error occurs when you write the image to the SD card under Mac dd: invalid number ‘4m‘ ,Workaround from Http://www.raspberrypi.org/documentation/installation/installing-images/mac.md e.g.sudo dd bs=1m if=2014-09-09-wheezy-raspbian.img

This article illustrates the method of acquiring SD card path and remaining capacity by Android programming. Share to everyone for your reference, specific as follows: public static string Getexternalstoragepath () { //Get SDcard status string state = Android.os.Environment.getExternalStorageState (); To determine if sdcard exists and is available if (android.os.Environment.MEDIA_MOUNTED.equals (state) { if ( Android.os.Environment.getExt

The example in this article describes how Android saves bitmap objects to an SD card. Share to everyone for your reference. as follows: Bitmap Logobitmap = Bitmapfactory.decoderesource (Mcontext.getresources (), R.drawable.arcnote_logo); Bytearrayoutputstream Logostream = new Bytearrayoutputstream (); Boolean res = logobitmap.compress (bitmap.compressformat.png,100,logostream); Read the image to the Logostream byte[] logobuf = Logostream.tobytea

1. Find "Camera" in mobile phone, if the mobile desktop does not click "Application" we will have a camera after entering.2. After the mobile phone into the camera mode we will see a "pinion" as shown in the following figure.3. Then we click on the "Save" button below, as shown in the following figure.4. In entering to the interface we click on "Memory Card"--> "OK" as shown in the following figure.This set up after you take photos of the photo directly to the

1. In standby mode, click "Application". 2. Click "File Management". 3. Click "All" and click "Device Storage". 4. Choose "DCIM". 5. Click "Camera". 6. Click the "Menu" button in the lower left corner and click "Select Item". 7. Check the photos that need to be backed up. 8. Click on the "Menu" button in the lower left corner and click "Move". 9. Select "SD memory Card" and click "Move Here". The photo was successfully moved to

Recently in doing a picture upload function, you need to provide upload pictures in the SD card path, on the Internet to see some examples, change debugging success, the code is very simple. The layout files are as follows: Copy Code code as follows: Android:layout_width= "Fill_parent" android:layout_height= "Fill_parent" android:orientation= "Vertical" > Android:id= "@+id/select" Android:layout_width= "Fill_parent" android:l

Step 1: Restart your PC, do not start x Windows Step 2: $ sudo df-h you should see/mount on Rootfs (has used 97% or so). Step 3: $ sudo fdisk/dev/mmcblk0 command: Press P (print) you should see three partitions, now write down the partition 2 information (/DEV/MMCBLK0P2). command: Press D (delete partition 2) command: Press P (print) you should now see 2 partition commands: press N (plus partition) select P (main) in partition 2 Select 2 first space Enter the beginning of the original partitio

the kernel. This Bootstrap mode of bootloader is usually used in system development and updating. In the development phase of embedded systems, the existing bootloader download guide methods can be divided into the following types based on different loading methods: ① Download the kernel from the host to the target board through the Ethernet port to enable the software system;② Download the kernel from the host to the target board through the serial port to start the software system;③ Directly

The SD card uses a fat (File Allocation Table) file system and does not support access mode and permission control. The SD card is suitable for storing large-sized files or files without the need to set access permissions.Android simulators support SD card, but the simulator does not have the default SD card. Developer

The SD card has been watched for two days. It is mainly because the tested card capacity is incorrect, so I have been searching for the reason and finally found out that the total ratio is just a problem with the unit, maybe it's because I haven't touched SD before, so I don't know much about some of the registers. Everything is a new start. Compare this Register Manual, understand the program, and modify t

ZYNQ Linux Linaro System image made SD card boot 0. OverviewZynq generated uboot and normal arm device is not the same, Zynq belongs to two secondary boot uboot and then by the Uboot boot the kernel, probably means that there is a mechanism inside the ZYNQ, the mechanism can not be modified by the dial switch to control the startup mode, For example, starting from an SD card or booting from QSPI, the

From: http://www.jollen.org/blog/2007/01/open_source_sd_mmc_sdio.html SD (Secure Digital) and MMC (multimedia card) SD is a standard for flash memory card, which is a common SD memory card, while MMC is an early memory card, SDReplaced by standard. According to the SD/MMC specification of zookeeper, [http://zh.wikiped

Familiar with SD/MMC-related registers, which can assist in understanding the protocols. So this article will introduce the SD/MMC-related registers? 1. SD card internal architecture Before getting familiar with SD/MMC registers, let's take a look at the internal architecture of the