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讯为4412开发板运行linux系统无法挂载U盘，好难
- 2017-06-08
基于讯为4412开发板：插上U盘[ 2407.650440] usb 1-3.3: new high speed USB device number 7 using s5p-ehci[ 2407.887332] usb 1-3.3: New USB device found， idVendor=0951， idProduct=1666， bcdDevice=0100[ 2407.894249] usb 1-3.3: New USB device strings: Mfr=1， Product=2， SerialNumber=3[ 2407.901651] usb 1-3.3: New USB device Class: class="0"， SubClass=0， Protocol=0[ 2407.908558] usb 1-3.3: Product: DataTraveler 3.0[ 2407.913150] usb 1-3.3: Manufacturer: Kingston[ 2407.917488] usb 1-3.3: SerialNumber: 50E5495131F7B0A0495A3E9A[ 2407.945454] scsi3 : usb-storage 1-3.3:1.0[ 2408.981773] scsi 3:0:0:0: Direct-Access Kingston DataTraveler 3.0 PMAP PQ: 0 ANSI: 6[ 2409.002820] sd 3:0:0:0: Attached scsi generic sg0 type 0[ 2410.472934] sd 3:0:0:0: [sda] 60632064 512-byte logical blocks: （31.0 GB/28.9 GiB）[ 2410.482241] sd 3:0:0:0: [sda] Write Protect is off[ 2410.486619] sd 3:0:0:0: [sda] No Caching mode page present[ 2410.491237] sd 3:0:0:0: [sda] Assuming drive cache: write through[ 2410.503131] sd 3:0:0:0: [sda] No Caching mode page present[ 2410.507269] sd 3:0:0:0: [sda] Assuming drive cache: write through[ 2410.527868] sda: sda1[ 2410.549386] sd 3:0:0:0: [sda] No Caching mode page present[ 2410.553692] sd 3:0:0:0: [sda] Assuming drive cache: write through[ 2410.585133] sd 3:0:0:0: [sda] Attached SCSI removable disk 挂载U盘失败
嵌入式学习，迅为的IMX6开发板，有了解的吗
- 2017-02-07
基于ARM Cortex-A9的可扩展单核、双核、四核，2GB DDR3内存，16GB EMMC存储，支持4G、GPS，SATA、CAN以及电阻屏、电容屏等接口看起来很强大尺寸125mm*190mmPOWER电直流电源输入接口，12V/2A电源输入SWITCH电源开关LVDS接口2路RGB接口1路CAN1 路 CAN 总线接口MIC支持MIC输入PHONE支持耳机输出RESET1个复位按键串口2路串口USB HOST3路网口1 路千兆以太网，RJ45 接口TF卡1个SATA1 个 SATA 接口WIFI蓝牙支持GPS模块支持（选配）OTG1路SIM卡槽1个4G模块全网通(选配)HDMI接口标准HDMI v1.4，1080p高清分辨率输出DIP SWITCH1个7位拨码开关JTAG1个CAMERA接口1个支持500万摄像头GPIO接口20PIN按键4 个RTC实时时钟BUZZER1个蜂鸣器