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    @how0723

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    Best posts made by how0723

    • Reply: 在D1的tina上整上overlayfs

      @whycan 解决了,ext2 要打开😧

      posted in D1系列-RISC-V
      how0723
      how0723
    • T113-S3的can总线有人调通了吗?

      T113-S3的can总线有人调通了吗?

      posted in D1系列-RISC-V
      how0723
      how0723

    Latest posts made by how0723

    • T113-S3的i2c-3不能工作

      内核日志如下:

      [ 6.242776] sunxi-i2c sunxi-i2c3: SLA+W has been transmitted; ACK not received
      [ 6.250832] sunxi-i2c sunxi-i2c3: engine-mode: xfer failed(dev addr:0x32

      是怎么回事

      posted in D1系列-RISC-V
      how0723
      how0723
    • Reply: T113-S3串口问题

      已解决,串口驱动的时钟配置问题,可以搜索其他帖子

      posted in D1系列-RISC-V
      how0723
      how0723
    • Reply: T113-S3串口问题

      a5cb26d7-340c-4811-8fa6-722d2baa6284-image.png

      posted in D1系列-RISC-V
      how0723
      how0723
    • T113-S3串口问题

      T113-S3串口UART0 接收错误,波特率115200时正常,波特率460800时错误
      1c9b6ce2-1e44-47fa-9946-d3883d2f07c2-image.png
      串口错误标志位解读:
      FE:帧错误,指示当前字符是否存在帧错误(缺少停止位)并且可能已经损坏
      BRK:BREAK检测,指示当前字符是否为BREAK字符,数据位和停止位均为0
      OE:接收器超限,指示接收过程中,是否存在数据来不及接收的现象
      PRERR:RS-485模式下,它保存接收到的9位RS-485数据的第9个数据位。在RS-232/IrDA模式下,它是奇偶校验错误标志。指示是否检测到当前字符是否具有奇偶校验错误并且可能已经损坏
      Error Detect:错误检测,指示RX_DATA字段是否具有错误-OE FE BRK PRERR

      测出来的波形,黄色是RS232 绿色是TTL
      76c88f8b-0cc8-41c0-820b-8ade0cad420e-image.png

      有没有可能是驱动的问题?

      posted in D1系列-RISC-V
      how0723
      how0723
    • Reply: t113-S3的wifi驱动问题,RTL8723DU

      @how0723 @whycan

      posted in D1系列-RISC-V
      how0723
      how0723
    • Reply: t113-S3的wifi驱动问题,RTL8723DU

      @whycan
      系统中有个文件
      476a556d-6954-408e-989f-3e73405fb2e3-image.png

      posted in D1系列-RISC-V
      how0723
      how0723
    • Reply: t113-S3的wifi驱动问题,RTL8723DU

      @whycan 怎么使用

      posted in D1系列-RISC-V
      how0723
      how0723
    • t113-S3的wifi驱动问题,RTL8723DU

      由RTL8723BU换成RTL8723DU,就驱动不起来
      c1e420cc-7a0c-43a0-bc20-2c612168cee0-image.png

        4.978620] rtk_btusb: Realtek Bluetooth USB driver ver 3.1.981c756.20211102-175222
      [    5.022481] rtk_btusb: btusb_probe intf->cur_altsetting->desc.bInterfaceNumber 0
      [    5.030838] rtk_btusb: btusb_probe can_wakeup 1, may wakeup 0
      [    5.037302] rtk_btusb: patch_add
      [    5.040933] rtk_btusb: auto suspend is disabled
      [    5.046015] rtk_btusb: pid = 0xd723
      [    5.049973] rtk_btusb: patch_add: Reset gEVersion to 0xff
      [    5.056060] rtk_btusb: set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
      [    5.068458] rtk_btusb: btusb_probe: done
      [    5.072425] rtk_btusb: btusb_open start
      [    5.073136] usbcore: registered new interface driver rtk_btusb
      [    5.077168] rtk_btusb: btusb_open hdev->promisc ==0
      [    5.099514] rtk_btusb: download_patch start
      [    5.104220] rtk_btusb: chip type value: 0x71
      [    5.115795] rtk_btusb: HCI reset.
      [    5.169212] rtk_btusb: read_ver_rsp->lmp_subver = 0x8723
      [    5.175177] rtk_btusb: read_ver_rsp->hci_rev = 0xd
      [    5.175181] rtk_btusb: patch_entry->lmp_sub = 0x8723
      [    5.175184] rtk_btusb: load_firmware start
      [    5.175188] rtk_btusb: lmp_version = 0x8723
      [    5.175191] rtk_btusb: config filename rtl8723du_config
      [    5.175412] usb 1-1.1: Direct firmware load for rtl8723du_config failed with error -2
      [    5.175424] rtk_btusb: fw name is  rtl8723du_fw
      [    5.179453] usb 1-1.1: Direct firmware load for rtl8723du_fw failed with error -2
      [    5.219000] rtk_btusb: load firmware failed!
      [    5.232288] rtk_btusb: Rtk patch end -1
      [    5.257784] rtk_btusb: btusb_open failed
      
      posted in D1系列-RISC-V
      how0723
      how0723
    • T113-S3无法下载镜像

      563962d5-3d6c-4489-8822-a781ae39679e-image.png
      35a351e1-eaa8-4a7d-8c12-0d0be909f125-image.png
      1a3abc18-6ff7-49f2-8baf-7d34aea8eecd-image.png
      7b5832bc-c7fe-42fc-86e6-4dba41b3bf29-image.png

      posted in D1系列-RISC-V
      how0723
      how0723
    • Reply: T113 longan 分区问题请教

      @a850874651 谢谢,请问mbr是什么作用?

      posted in D1系列-RISC-V
      how0723
      how0723