/**************************************************************************** * I.MX6 uSDHC SD card register * 声明: * 本文主要是记录SD card注册的相关流程及遇到的一些问题. * * 2015-12-20 深圳 南山平山村 曾剑锋 **************************************************************************…

Suumary: 简单介绍了一下SD卡的历史和发展,同时结合MX31 ADS上的WINCE 下SDHC驱动更深入的了解该硬件的一些行为特点. 了解SD card SD是Secure Digital Card卡的简称,直译成汉语就是“安全数字卡”,是由日本松下公司.东芝公司和美国SANDISK公司共同开发研制的全新的存储卡产品.SD存储卡是一个完全开放的标准(系统),多用于MP3.数码摄像机.数码相机.电子图书.AV器材等等,尤其是被广泛应用在超薄数码相机上.SD卡在外形上同Multimedia…

引言 之前,曾经在orpsoc的平台上,测试验证过其sd card controller的linux的驱动,但是并不是很完美,经过努力,终于在eCos下完成了其全部功能的验证,包括驱动层验证,文件系统的挂载,应用层的创建文件,打开文件,复制文件,源文件与复制文件的比较等,此外,还有创建目录,切换目录等操作. 本小节就分享一下整个验证过程. 关于基于orpsoc+linux下的sd card controller验证,请参考: http://blog.csdn.net/rill_zhen/arti…

SDM439平台出现部分机型SD卡不能识别mmc1: error -110 whilst initialising SD card 打印了如下的log: - ::>[ after ms - ::>[ 3079.000652] sdhci: =========== REGISTER DUMP (mmc1)=========== - ::>[ 3079.000655] sdhci: Sys addr: 0x00000000 | Version: 0x00004d02 - ::>[ 30…

Boot your Orange PI board from EMMC without SD Card inserted login insert your SD Card Run: sudo install_to_sdcard [btrfs] Copy the Code Your emmc Linux installation will be transfered to SD Card You can boot from that SD Card on another or the same…

Download any of the available images (xz archive) from Mega or GoogleDrive Download scriptbin_kernel.tar.gz, it contains the latest kernel (uImage) and script.bin Unpack the archive. Write the xxx.img file (disk image) to your SD Card on Linux use dd…

/*********************************************************************** * I.MX6 32G SD卡测试 * 说明: * 这是刘涛测试32G卡的情况. * * 2016-10-17 深圳 南山平山村 曾剑锋 **********************************************************************/ 一.参考文档: [solved] couldn't mount beca…

原文网址:http://www.sandyscott.net/2013/08/14/virtualbox-direct-drive-access/ I’ve trying to get my Raspberry Pi working with a touchscreen (eGalax Touch). This blog post has been an incredible help, but I stumbled at the very last hurdle – modifying the…

Path to SD card from jnius import autoclass # SDcard Android # Get path to SD card Android try: Environment = autoclass('android.os.Environment') sdpath = Environment.get_running_app().getExternalStorageDirectory() # Not on Android except: sdpath = A…

Using Android Phone to recover SD card formatted with DD command under linux 1. Formatted a sd card with dd command under linux 2.insert the sd card into an android phone,certainly the card is not find and used.. 3 reset the android phone with format…