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    y97788LV 5

    @y97788

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    y97788 发布的最佳帖子

    • 回复: T113S使用外置RTC问题

      @whycan 将设备树这三行注释掉就好了，

        twi_drv_used = <1>;
 dmas = <&dma 45>, <&dma 45>;
 dma-names = "tx", "rx";
      发布在 Linux
      Y
      y97788
    • T113S使用一段时间开机失败

      [01.741]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [01.753]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      partno erro : can't find partition bootloader
      [01.769]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [01.780]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      partno erro : can't find partition boot-resource
      [01.797]Get bootloader and boot-resource partition number fail!
      [01.802]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [01.814]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.119]LCD open finish
      [02.121]Loading Environment from SUNXI_FLASH... [02.126]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.137]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      Can't find env partition
      *** Warning - no device, using default environment

      Failed (-19)
      cann't get the boot_base from the env
      [02.161]Item0 (Map) magic is bad
      [02.164]mbr magic error: wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.175]mbr magic error: wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      partno erro : can't find partition private
      [02.191]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.202]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.215]update bootcmd
      [02.217]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.229]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.241]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.253]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.265]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      [02.270]change working_fdt 0x44885e70 to 0x44865e70
      [02.288]update dts

      Error: "distro_bootcmd" not defined

      这是分区损坏了吗？这种是什么原因引起的，如何修复和预防

      发布在 T Series
      Y
      y97788
    • T113S使用外置RTC问题

      T113S使用i2c接口连接外置RTC初始化失败，这个是什么原因

      [    4.429716] sunxi-i2c sunxi-i2c2: sunxi-i2c2 supply twi not found, using dummy regulator
 [    4.444395] sunxi-i2c sunxi-i2c2: drv-mode: Timeout when sending 9th SCL clk
[    4.452364] sunxi-i2c sunxi-i2c2: drv-mode: xfer failed (dev addr:0x51)
[    4.459795] rtc-pcf8563 2-0051: pcf8563_write_block_data: err=-22 addr=0e, data=03
[    4.468327] rtc-pcf8563 2-0051: pcf8563_probe: write error
[    4.474816] rtc-pcf8563: probe of 2-0051 failed with error -5
[    4.481305] sunxi-i2c sunxi-i2c2: probe success
[    4.488591] sunxi-i2c sunxi-i2c3: sunxi-i2c3 supply twi not found, using dummy regulator
[    4.501228] sunxi-i2c sunxi-i2c3: probe success

      使用longanLinux kernel5.4设备树配置

       twi2_pins_a: twi2@0 {
 	pins = "PG14", "PG15";
 	function = "twi2";
 	drive-strength = <10>;
 };

 twi2_pins_b: twi2@1 {
 	pins = "PG14", "PG15";
 	function = "gpio_in";
 };

 &twi2 {
 clock-frequency = <400000>;
 pinctrl-0 = <&twi2_pins_a>;
 pinctrl-1 = <&twi2_pins_b>;
 pinctrl-names = "default", "sleep";
 twi_drv_used = <1>;
 dmas = <&dma 45>, <&dma 45>;
 dma-names = "tx", "rx";
 status = "okay";
 pcf8563: pcf8563@51 {
 	compatible = "nxp,pcf8563";
 	reg = <0x51>;
 	#clock-cells = <0>;
 };

};
      发布在 Linux
      Y
      y97788

    y97788 发布的最新帖子

    • T113S使用一段时间开机失败

      [01.741]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [01.753]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      partno erro : can't find partition bootloader
      [01.769]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [01.780]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      partno erro : can't find partition boot-resource
      [01.797]Get bootloader and boot-resource partition number fail!
      [01.802]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [01.814]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.119]LCD open finish
      [02.121]Loading Environment from SUNXI_FLASH... [02.126]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.137]mbr magic error: ▒▒▒▒H wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      Can't find env partition
      *** Warning - no device, using default environment

      Failed (-19)
      cann't get the boot_base from the env
      [02.161]Item0 (Map) magic is bad
      [02.164]mbr magic error: wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.175]mbr magic error: wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      partno erro : can't find partition private
      [02.191]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.202]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.215]update bootcmd
      [02.217]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.229]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.241]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid GPT ***
      [02.253]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      *** ERROR: Can't read MBR header ***
      part_get_info_efi: *** ERROR: Invalid Backup GPT ***
      [02.265]mbr magic error: ▒▒▒▒▒▒▒▒ wanted softw411
      [02.270]change working_fdt 0x44885e70 to 0x44865e70
      [02.288]update dts

      Error: "distro_bootcmd" not defined

      这是分区损坏了吗？这种是什么原因引起的，如何修复和预防

      发布在 T Series
      Y
      y97788
    • 回复: XR819连接wiif无反应

      终于调通了，简直就是一个大坑...由于WiFi驱动里面cfg80211.h的接口定义跟内核版本的cfg80211.h的接口不一致，导致调用时传入的数据不对了，但是奇怪的是，这编译时或者运行时为什么不报错呢......

      发布在 Wireless & Analog Series
      Y
      y97788
    • 回复: XR819连接wiif无反应

      微信图片_20240124110036.png 网络抓包发现，在关联成功后的四次握手交换密钥时，STA设备没有回复，查下处理KEY的接口。

      发布在 Wireless & Analog Series
      Y
      y97788
    • 回复: XR819连接wiif无反应

      Authenticated with 78:44:fd:be:c6:64 (on wlan0)
      Not connected.

      发布在 Wireless & Analog Series
      Y
      y97788
    • 回复: XR819连接wiif无反应

      1.查看想要连接BSSID已经验证成功了，但是查看WIFI没有连接上，而且下面一直有个其他MAC地址的一直在解除认证数据帧，scan了下WiFi，附近根本没有此MAC地址的设备。

      发布在 Wireless & Analog Series
      Y
      y97788
    • 回复: XR819连接wiif无反应

      捕获.PNG

      发布在 Wireless & Analog Series
      Y
      y97788
    • 回复: XR819连接wiif无反应

      [STA_WRN] Freq 2462 (wsm ch: 11) prev: 3.
      [XRADIO] if0-TX-auth-- (认证请求)
      [XRADIO] if0-RX-auth-- (接收认证)
      [STA_WRN] Freq 2422 (wsm ch: 3) prev: 11.
      [STA_WRN] Freq 2462 (wsm ch: 11) prev: 3.
      [XRADIO] if0-TX-assoc_req-- (关联请求)
      [XRADIO] if0-RX-assoc_resp-- (关联成功)
      [AP_WRN] [STA] ASSOC HTCAP 11N 58
      [XRADIO] if0-TX-deauth-- (解除认证)
      [WSM_WRN] Issue unjoin command(TX).

      调试发现，已经成功认证连接了，但是不知道为什么马上又发送了deauth解除认证，断开连接的数据帧。导致WiFi没有连接上

      发布在 Wireless & Analog Series
      Y
      y97788
    • XR819连接wiif无反应

      Successfully initialized wpa_supplicant
      nl80211: Could not re-add multicast membership for vendor events: -2 (No such file or directory)
      [STA_WRN] Freq 2412 (wsm ch: 1) prev: 3.
      [STA_WRN] Freq 2422 (wsm ch: 3) prev: 1.
      [STA_WRN] Freq 2412 (wsm ch: 1) prev: 3.
      [AP_WRN] [STA] ASSOC HTCAP 11N 58
      [WSM_WRN] Issue unjoin command(TX).

      使用wpa_cli -i wlan0 scan 可以正常扫描都附近的wiif，配置wpa_supplicant连接后，打印上述信息后就没反应了。
      wpa_state=SCANNING，一直处于这个状态。
      WiFi热点配置都没有问题，猜测可能驱动哪里没有配置好

      发布在 Wireless & Analog Series
      Y
      y97788
    • 多次断电重启后，系统无法启动了

      MobaXterm_COM20USB-SERIALCH340COM202_20230531_085202.txt

      MobaXterm_COM20USB-SERIALCH340COM202_20230531_092432.txt

      发布在 Linux
      Y
      y97788
    • 回复: ubifs卷挂载问题

      ubiupdatevol /dev/ubi0_1 boot-resource.fex
      这样可以修改整个卷的数据，但是如何修改boot-resource.fex里bootlogo.bmp，或者如何将新的bootlogo.bmp打包生成boot-resource.fex文件，然后再用上面命令来更新卷数据

      发布在 MR Series
      Y
      y97788