大佬们好，小白想向大家请教两个个问题。
问题1：
我想通过F1C100S的SPI接口与外部MCU进行通讯（初步想用python的spidev库完成通讯）。使用的是Deiban的bullseye系统。但是我在dev下面没有找到网上说的spi0.0或者类似的设备，但是在/sys/class/spi_master下面有spi0和spi1，请问是不是这两个。如果不是请问我应该如何配置，麻烦啦，谢谢大家。
我对设备树的配置如下，请大家过目：
dtsi文件中：
spi0:spi@1c05000 {
compatible = "allwinner,suniv-spi", "allwinner,sun8i-h3-spi";
reg = <0x1c05000 0x1000>;
interrupts = <0xa>;
clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_BUS_SPI0>;
clock-names = "ahb", "mod";
resets = <&ccu RST_BUS_SPI0>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
};
spi1:spi@1c06000 {
compatible = "allwinner,suniv-spi", "allwinner,sun8i-h3-spi";
reg = <0x1c06000 0x1000>;
interrupts = <0xb>;
clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_BUS_SPI1>;
clock-names = "ahb", "mod";
resets = <&ccu RST_BUS_SPI1>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
//bias-pull-up;
};
spi0_pins: spi0-pins{
pins = "PC0", "PC1", "PC2", "PC3";
function = "spi0";
};
spi1_pins: spi1-pins{
pins = "PA2","PA0","PA3","PA1";
function = "spi1";
};dts文件中：
&spi0{
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
status = "okay";
};
&spi1{
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
status = "okay";
};另外，我看到V3S的spi（https://www.kancloud.cn/lichee/lpi0/580147）是在设备树中加入：
&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
status = "okay";
#address-cells=<1>;
#size-cells=<0>;
spidev@0x00 {
compatible = "spidev";
spi-max-frequency = <100000000>;
reg = <0>;
};
};我也尝试将dts文件做了相同修改：
&spi0{
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
status = "okay";
spidev@0 {
compatible = "spidev";
spi-max-frequency = <1200000>;
reg = <0>;
};
};
&spi1{
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
status = "okay";
spidev@0 {
compatible = "spidev";
spi-max-frequency = <1200000>;
reg = <0>;
};
};但是启动后从[ 0.927711]开始报错：
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
Found U-Boot script /boot.scr
reading /boot.scr
280 bytes read in 14 ms (19.5 KiB/s)
## Executing script at 80c50000
reading suniv-f1c100s-licheepi-nano.dtb
8372 bytes read in 25 ms (326.2 KiB/s)
reading zImage
4216952 bytes read in 202 ms (19.9 MiB/s)
## Flattened Device Tree blob at 80c00000
Booting using the fdt blob at 0x80c00000
Loading Device Tree to 816fa000, end 816ff0b3 ... OK
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.7.1-licheepi-nano (romanljw@ubuntu) (gcc version 7.2.1 20171011 (Linaro GCC 7.2-2017.11), GNU ld (Linaro_Binutils-2017.11) 2.28.2.20170706) #4 Sun Oct 24 09:39:28 CST 2021
[ 0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[ 0.000000] CPU: VIVT data cache, VIVT instruction cache
[ 0.000000] OF: fdt: Machine model: Lichee Pi Nano
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: console=tty0 console=ttyS0,115200 panic=5 rootwait root=/dev/mmcblk0p2 rw
[ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 55184K/65536K available (6144K kernel code, 226K rwdata, 1684K rodata, 1024K init, 233K bss, 10352K reserved, 0K cma-reserved, 0K highmem)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] random: get_random_bytes called from start_kernel+0x2a0/0x498 with crng_init=0
[ 0.000049] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000123] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000736] Console: colour dummy device 80x30
[ 0.001132] printk: console [tty0] enabled
[ 0.001221] Calibrating delay loop... 358.80 BogoMIPS (lpj=1794048)
[ 0.050297] pid_max: default: 32768 minimum: 301
[ 0.050744] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.050854] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.052683] CPU: Testing write buffer coherency: ok
[ 0.054718] Setting up static identity map for 0x80100000 - 0x80100058
[ 0.056091] devtmpfs: initialized
[ 0.061907] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.062053] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[ 0.062414] pinctrl core: initialized pinctrl subsystem
[ 0.063915] thermal_sys: Registered thermal governor 'step_wise'
[ 0.064999] NET: Registered protocol family 16
[ 0.066866] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.068964] cpuidle: using governor menu
[ 0.120681] SCSI subsystem initialized
[ 0.121379] usbcore: registered new interface driver usbfs
[ 0.121600] usbcore: registered new interface driver hub
[ 0.121845] usbcore: registered new device driver usb
[ 0.122426] pps_core: LinuxPPS API ver. 1 registered
[ 0.122500] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.123038] Advanced Linux Sound Architecture Driver Initialized.
[ 0.124763] clocksource: Switched to clocksource timer
[ 0.154060] NET: Registered protocol family 2
[ 0.155764] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.155945] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.156045] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.156110] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.156490] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.156617] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.157210] NET: Registered protocol family 1
[ 0.159449] NetWinder Floating Point Emulator V0.97 (double precision)
[ 0.161167] Initialise system trusted keyrings
[ 0.161860] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[ 0.244313] Key type asymmetric registered
[ 0.244428] Asymmetric key parser 'x509' registered
[ 0.244652] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.244861] io scheduler mq-deadline registered
[ 0.244925] io scheduler kyber registered
[ 0.247210] sun4i-usb-phy 1c13400.phy: Couldn't request ID GPIO
[ 0.256625] suniv-f1c100s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[ 0.257403] suniv-f1c100s-pinctrl 1c20800.pinctrl: supply vcc-pe not found, using dummy regulator
[ 0.439769] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[ 0.446749] printk: console [ttyS0] disabled
[ 0.446982] 1c25000.serial: ttyS0 at MMIO 0x1c25000 (irq = 24, base_baud = 6250000) is a 16550A
[ 0.851223] printk: console [ttyS0] enabled
[ 0.858097] 1c25800.serial: ttyS2 at MMIO 0x1c25800 (irq = 25, base_baud = 6250000) is a 16550A
[ 0.875548] SCSI Media Changer driver v0.25
[ 0.881271] suniv-f1c100s-pinctrl 1c20800.pinctrl: supply vcc-pc not found, using dummy regulator
[ 0.892708] ------------[ cut here ]------------
[ 0.897616] WARNING: CPU: 0 PID: 1 at drivers/spi/spidev.c:736 spidev_probe+0xcc/0x1ac
[ 0.905669] /soc/spi@1c05000/spidev@0: buggy DT: spidev listed directly in DT
[ 0.912820] Modules linked in:
[ 0.915970] CPU: 0 PID: 1 Comm: swapper Not tainted 5.7.1-licheepi-nano #4
[ 0.922864] Hardware name: Allwinner suniv Family
[ 0.927711] [<c010d604>] (unwind_backtrace) from [<c010ab60>] (show_stack+0x10/0x14)
[ 0.935594] [<c010ab60>] (show_stack) from [<c0116438>] (__warn+0xac/0xd0)
[ 0.942514] [<c0116438>] (__warn) from [<c01164c8>] (warn_slowpath_fmt+0x6c/0xb8)
[ 0.950122] [<c01164c8>] (warn_slowpath_fmt) from [<c04704e4>] (spidev_probe+0xcc/0x1ac)
[ 0.958330] [<c04704e4>] (spidev_probe) from [<c046bce8>] (spi_drv_probe+0x80/0xa4)
[ 0.966109] [<c046bce8>] (spi_drv_probe) from [<c04222ec>] (really_probe+0x218/0x348)
[ 0.973994] [<c04222ec>] (really_probe) from [<c042252c>] (driver_probe_device+0x5c/0x170)
[ 0.982358] [<c042252c>] (driver_probe_device) from [<c0420728>] (bus_for_each_drv+0x54/0xb8)
[ 0.990990] [<c0420728>] (bus_for_each_drv) from [<c0422058>] (__device_attach+0xc8/0x13c)
[ 0.999351] [<c0422058>] (__device_attach) from [<c0421408>] (bus_probe_device+0x84/0x8c)
[ 1.007630] [<c0421408>] (bus_probe_device) from [<c041e44c>] (device_add+0x62c/0x7d0)
[ 1.015651] [<c041e44c>] (device_add) from [<c046c858>] (spi_add_device+0x90/0x14c)
[ 1.023357] [<c046c858>] (spi_add_device) from [<c046d3cc>] (spi_register_controller+0x86c/0xae0)
[ 1.032319] [<c046d3cc>] (spi_register_controller) from [<c046d670>] (devm_spi_register_controller+0x30/0x6c)
[ 1.042343] [<c046d670>] (devm_spi_register_controller) from [<c0472844>] (sun6i_spi_probe+0x1a8/0x288)
[ 1.051852] [<c0472844>] (sun6i_spi_probe) from [<c0423f9c>] (platform_drv_probe+0x48/0x98)
[ 1.060320] [<c0423f9c>] (platform_drv_probe) from [<c04222ec>] (really_probe+0x218/0x348)
[ 1.068692] [<c04222ec>] (really_probe) from [<c042252c>] (driver_probe_device+0x5c/0x170)
[ 1.077056] [<c042252c>] (driver_probe_device) from [<c04227e8>] (device_driver_attach+0x58/0x60)
[ 1.086017] [<c04227e8>] (device_driver_attach) from [<c0422870>] (__driver_attach+0x80/0xbc)
[ 1.094584] [<c0422870>] (__driver_attach) from [<c042067c>] (bus_for_each_dev+0x70/0xb4)
[ 1.102839] [<c042067c>] (bus_for_each_dev) from [<c0421658>] (bus_add_driver+0x150/0x1dc)
[ 1.111207] [<c0421658>] (bus_add_driver) from [<c0423088>] (driver_register+0x74/0x108)
[ 1.119392] [<c0423088>] (driver_register) from [<c0101da4>] (do_one_initcall+0x48/0x1c4)
[ 1.127685] [<c0101da4>] (do_one_initcall) from [<c0900f10>] (kernel_init_freeable+0x144/0x1d8)
[ 1.136496] [<c0900f10>] (kernel_init_freeable) from [<c06d19b4>] (kernel_init+0x8/0x110)
[ 1.144737] [<c06d19b4>] (kernel_init) from [<c0100140>] (ret_from_fork+0x14/0x34)
[ 1.152391] Exception stack(0xc3839fb0 to 0xc3839ff8)
[ 1.157510] 9fa0: 00000000 00000000 00000000 00000000
[ 1.165758] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 1.173956] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 1.180643] ---[ end trace 132e4235ecace684 ]---
[ 1.186315] suniv-f1c100s-pinctrl 1c20800.pinctrl: supply vcc-pa not found, using dummy regulator
[ 1.197698] ------------[ cut here ]------------
[ 1.202441] WARNING: CPU: 0 PID: 1 at drivers/spi/spidev.c:736 spidev_probe+0xcc/0x1ac
[ 1.210541] /soc/spi@1c06000/spidev@0: buggy DT: spidev listed directly in DT
[ 1.217775] Modules linked in:
[ 1.220876] CPU: 0 PID: 1 Comm: swapper Tainted: G W 5.7.1-licheepi-nano #4
[ 1.229204] Hardware name: Allwinner suniv Family
[ 1.234007] [<c010d604>] (unwind_backtrace) from [<c010ab60>] (show_stack+0x10/0x14)
[ 1.241888] [<c010ab60>] (show_stack) from [<c0116438>] (__warn+0xac/0xd0)
[ 1.248864] [<c0116438>] (__warn) from [<c01164c8>] (warn_slowpath_fmt+0x6c/0xb8)
[ 1.256467] [<c01164c8>] (warn_slowpath_fmt) from [<c04704e4>] (spidev_probe+0xcc/0x1ac)
[ 1.264613] [<c04704e4>] (spidev_probe) from [<c046bce8>] (spi_drv_probe+0x80/0xa4)
[ 1.272391] [<c046bce8>] (spi_drv_probe) from [<c04222ec>] (really_probe+0x218/0x348)
[ 1.280335] [<c04222ec>] (really_probe) from [<c042252c>] (driver_probe_device+0x5c/0x170)
[ 1.288707] [<c042252c>] (driver_probe_device) from [<c0420728>] (bus_for_each_drv+0x54/0xb8)
[ 1.297333] [<c0420728>] (bus_for_each_drv) from [<c0422058>] (__device_attach+0xc8/0x13c)
[ 1.305693] [<c0422058>] (__device_attach) from [<c0421408>] (bus_probe_device+0x84/0x8c)
[ 1.313910] [<c0421408>] (bus_probe_device) from [<c041e44c>] (device_add+0x62c/0x7d0)
[ 1.321926] [<c041e44c>] (device_add) from [<c046c858>] (spi_add_device+0x90/0x14c)
[ 1.329690] [<c046c858>] (spi_add_device) from [<c046d3cc>] (spi_register_controller+0x86c/0xae0)
[ 1.338663] [<c046d3cc>] (spi_register_controller) from [<c046d670>] (devm_spi_register_controller+0x30/0x6c)
[ 1.348691] [<c046d670>] (devm_spi_register_controller) from [<c0472844>] (sun6i_spi_probe+0x1a8/0x288)
[ 1.358206] [<c0472844>] (sun6i_spi_probe) from [<c0423f9c>] (platform_drv_probe+0x48/0x98)
[ 1.366688] [<c0423f9c>] (platform_drv_probe) from [<c04222ec>] (really_probe+0x218/0x348)
[ 1.375051] [<c04222ec>] (really_probe) from [<c042252c>] (driver_probe_device+0x5c/0x170)
[ 1.383356] [<c042252c>] (driver_probe_device) from [<c04227e8>] (device_driver_attach+0x58/0x60)
[ 1.392317] [<c04227e8>] (device_driver_attach) from [<c0422870>] (__driver_attach+0x80/0xbc)
[ 1.400935] [<c0422870>] (__driver_attach) from [<c042067c>] (bus_for_each_dev+0x70/0xb4)
[ 1.409209] [<c042067c>] (bus_for_each_dev) from [<c0421658>] (bus_add_driver+0x150/0x1dc)
[ 1.417573] [<c0421658>] (bus_add_driver) from [<c0423088>] (driver_register+0x74/0x108)
[ 1.425772] [<c0423088>] (driver_register) from [<c0101da4>] (do_one_initcall+0x48/0x1c4)
[ 1.434018] [<c0101da4>] (do_one_initcall) from [<c0900f10>] (kernel_init_freeable+0x144/0x1d8)
[ 1.442848] [<c0900f10>] (kernel_init_freeable) from [<c06d19b4>] (kernel_init+0x8/0x110)
[ 1.451126] [<c06d19b4>] (kernel_init) from [<c0100140>] (ret_from_fork+0x14/0x34)
[ 1.458774] Exception stack(0xc3839fb0 to 0xc3839ff8)
[ 1.463855] 9fa0: 00000000 00000000 00000000 00000000
[ 1.472101] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 1.480336] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 1.487007] ---[ end trace 132e4235ecace685 ]---
[ 1.494010] libphy: Fixed MDIO Bus: probed
[ 1.498544] usbcore: registered new interface driver rndis_wlan
[ 1.504648] usbcore: registered new interface driver asix
[ 1.510328] usbcore: registered new interface driver ax88179_178a
[ 1.516680] usbcore: registered new interface driver cdc_ether
[ 1.522693] usbcore: registered new interface driver net1080
[ 1.528624] usbcore: registered new interface driver rndis_host
[ 1.534702] usbcore: registered new interface driver cdc_subset
[ 1.540888] usbcore: registered new interface driver zaurus
[ 1.546766] usbcore: registered new interface driver cdc_ncm
[ 1.552465] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.559091] ehci-platform: EHCI generic platform driver
[ 1.564645] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.571027] ohci-platform: OHCI generic platform driver
[ 1.576855] usbcore: registered new interface driver usb-storage
[ 1.583213] usbcore: registered new interface driver option
[ 1.589054] usbserial: USB Serial support registered for GSM modem (1-port)
[ 1.597192] gadgetfs: USB Gadget filesystem, version 24 Aug 2004
[ 1.603292] file system registered
[ 1.606883] udc-core: couldn't find an available UDC - added [g_cdc] to list of pending drivers
[ 1.615995] i2c /dev entries driver
[ 1.622365] ssd1307fb 0-003c: Couldn't send I2C command.
[ 1.629459] suniv-f1c100s-pinctrl 1c20800.pinctrl: supply vcc-pf not found, using dummy regulator
[ 1.666107] sunxi-mmc 1c0f000.mmc: initialized, max. request size: 16384 KB
[ 1.675805] usbcore: registered new interface driver usbhid
[ 1.681443] usbhid: USB HID core driver
[ 1.699925] NET: Registered protocol family 17
[ 1.704555] Key type dns_resolver registered
[ 1.709953] Loading compiled-in X.509 certificates
[ 1.729595] usb_phy_generic usb_phy_generic.0.auto: supply vcc not found, using dummy regulator
[ 1.740370] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 1.746434] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
[ 1.757415] hub 1-0:1.0: USB hub found
[ 1.761491] hub 1-0:1.0: 1 port detected
[ 1.768023] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 1.783640] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 1.790592] ALSA device list:
[ 1.793618] #0: Loopback 1
[ 1.797381] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 1.806188] cfg80211: failed to load regulatory.db
[ 1.812204] Waiting for root device /dev/mmcblk0p2...
[ 1.832907] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.844418] mmc0: new high speed SDHC card at address aaaa
[ 1.851753] mmcblk0: mmc0:aaaa SD32G 29.7 GiB
[ 1.860405] mmcblk0: p1 p2
[ 1.940415] random: fast init done
[ 2.076788] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 2.085176] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 2.093618] devtmpfs: mounted
[ 2.100636] Freeing unused kernel memory: 1024K
[ 2.105396] Run /sbin/init as init process
[ 2.204921] usb 1-1: new high-speed USB device number 2 using musb-hdrc
[ 2.390491] rndis_host 1-1:1.0 eth0: register 'rndis_host' at usb-musb-hdrc.1.auto-1, RNDIS device, ac:4b:b3:b9:eb:e5
[ 2.403829] option 1-1:1.2: GSM modem (1-port) converter detected
[ 2.416407] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
[ 2.425444] option 1-1:1.3: GSM modem (1-port) converter detected
[ 2.437390] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
[ 2.449293] option 1-1:1.4: GSM modem (1-port) converter detected
[ 2.458814] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2
[ 2.627603] systemd[1]: System time before build time, advancing clock.
[ 2.655057] systemd[1]: Failed to insert module 'autofs4': No such file or directory
[ 2.686885] random: systemd: uninitialized urandom read (16 bytes read)
[ 2.703758] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
[ 2.723316] systemd[1]: Detected architecture arm.
Welcome to Debian GNU/Linux 9 (stretch)!
[ 2.766902] systemd[1]: Set hostname to <ubuntu>.
[ 2.855786] random: systemd: uninitialized urandom read (16 bytes read)
[ 3.214745] random: systemd-gpt-aut: uninitialized urandom read (16 bytes read)
[ 3.946324] systemd[1]: Listening on Journal Socket (/dev/log).
[ OK ] Listening on Journal Socket (/dev/log).
[ 3.986130] systemd[1]: Listening on Syslog Socket.
[ OK ] Listening on Syslog Socket.
[ 4.026709] systemd[1]: Created slice User and Session Slice.
[ OK ] Created slice User and Session Slice.
[ 4.066440] systemd[1]: Listening on udev Kernel Socket.
[ OK ] Listening on udev Kernel Socket.
[ 4.106507] systemd[1]: Created slice System Slice.
[ OK ] Created slice System Slice.
[ 4.146686] systemd[1]: Reached target Slices.
[ OK ] Reached target Slices.
[ 4.185699] systemd[1]: dev-hugepages.mount: Couldn't determine result for ConditionVirtualization=!private-users, assuming failed: No such file or directory
[ OK ] Listening on udev Control Socket.
[ OK ] Listening on /dev/initctl Compatibility Named Pipe.
[ OK ] Created slice system-serial\x2dgetty.slice.
[ OK ] Started Dispatch Password Requests to Console Directory Watch.
[ OK ] Reached target Swap.
[ 4.330222] usb 1-1: USB disconnect, device number 2
[ 4.335691] rndis_host 1-1:1.0 eth0: unregister 'rndis_host' usb-musb-hdrc.1.auto-1, RNDIS device
[ 4.347875] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 4.356334] option 1-1:1.2: device disconnected
[ OK 4.365589] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
m] Created slice[ 4.374710] option 1-1:1.3: device disconnected
system-getty.slice.
[ 4.382139] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[ 4.390646] option 1-1:1.4: device disconnected
[ OK ] Started Forward Password Requests to Wall Directory Watch.
[ OK ] Reached target Encrypted Volumes.
[ OK ] Reached target Paths.
Mounting Debug File System...
[ OK ] Listening on Journal Socket.
Starting Remount Root and Kernel File Systems...
Starting Load Kernel Modules...
Starting Journal Service...
Starting Create Static Device Nodes in /dev...
[ OK ] Reached target Remote File Systems.
[ OK ] Mounted Debug File System.
[ OK ] Started Remount Root and Kernel File Systems.
Starting Load/Save Random Seed...
Starting udev Coldplug all Devices...
[ OK ] Started Load Kernel Modules.
Starting Apply Kernel Variables...
Mounting Configuration File System...
[ OK ] Started Load/Save Random Seed.
[ OK ] Started Create Static Device Nodes in /dev.
[ OK ] Mounted Configuration File System.
[ OK ] Reached target Local File Systems (Pre).
[ OK ] Reached target Local File Systems.
Starting udev Kernel Device Manager...
[ OK ] Started Apply Kernel Variables.
Starting Raise network interfaces...
[ 5.864950] usb 1-1: new high-speed USB device number 3 using musb-hdrc
[ OK ] Started udev Kernel Device Manager.
[ OK ] Started Journal Service.
Starting Flush Journal to Persistent Storage...
[ 7.759374] systemd-journald[96]: Received request to flush runtime journal from PID 1
[ OK ] Started Flush Journal to Persistent Storage.
Starting Create Volatile Files and Directories...
[ OK ] Started Create Volatile Files and Directories.
Starting Update UTMP about System Boot/Shutdown...
Starting Network Time Synchronization...
[ OK ] Started Raise network interfaces.
[ OK ] Reached target Network.
[ OK ] Started Update UTMP about System Boot/Shutdown.
[ OK ] Started Network Time Synchronization.
[ OK ] Reached target System Time Synchronized.
[ OK ] Reached target Sound Card.
[ OK ] Started udev Coldplug all Devices.
[ OK ] Reached target System Initialization.
[ OK ] Started Daily apt download activities.
[ OK ] Started Daily apt upgrade and clean activities.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
[ OK ] Started D-Bus System Message Bus.
Starting OpenBSD Secure Shell server...
Starting System Logging Service...
Starting Login Service...
[ OK ] Started Regular background program processing daemon.
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Reached target Timers.
Starting Permit User Sessions...
[ OK ] Found device /dev/ttyS0.
[ OK ] Started System Logging Service.
[ OK ] Started Permit User Sessions.
[ OK ] Started Getty on tty1.
[ OK ] Started Serial Getty on ttyS0.
[ OK ] Reached target Login Prompts.
[ OK ] Started Login Service.
[ OK ] Started OpenBSD Secure Shell server.
[ OK ] Reached target Multi-User System.
[ OK ] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[ OK ] Started Update UTMP about System Runlevel Changes.
[ 17.204969] usb 1-1: new high-speed USB device number 4 using musb-hdrc
Debian GNU/Linux 9 ubuntu ttyS0
ubuntu login: [ 17.423040] rndis_host 1-1:1.0 eth0: register 'rndis_host' at usb-musb-hdrc.1.auto-1, RNDIS device, ac:4b:b3:b9:eb:e5
[ 17.506860] option 1-1:1.2: GSM modem (1-port) converter detected
[ 17.554075] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
[ 17.608241] option 1-1:1.3: GSM modem (1-port) converter detected
[ 17.655122] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
[ 17.700383] option 1-1:1.4: GSM modem (1-port) converter detected
[ 17.750270] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2
[ 20.043316] rndis_host 1-1:1.0 enxac4bb3b9ebe5: renamed from eth0
root
Password:
Last login: Wed Feb 16 14:06:09 UTC 2022 on ttyS0
Linux ubuntu 5.7.1-licheepi-nano #4 Sun Oct 24 09:39:28 CST 2021 armv5tejl
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
root@ubuntu:~# ls
frp mydatabase.db myprog.py
root@ubuntu:~# cd /dev
root@ubuntu:/dev# ls spi*
spidev0.0 spidev1.0
root@ubuntu:/dev#可是观察dev下确实有了spidev0.0，spidev1.0。请问这样是否可以正常使用？
问题2：
在上面打出的log中有一句[ 20.043316] rndis_host 1-1:1.0 enxac4bb3b9ebe5: renamed from eth0
请问下为啥系统会自动把我的eth0网卡重命名为enxac4bb3b9ebe5。我想要eth0，不想改名，请问应该如何处理。
我用的合宙的air724ug的4G模块，通过usb连接。网络使用正常。
请大家帮忙，在此拜谢。
离线