Последовательный порт UART в ТВ-боксах


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Help U-Boot Android 10


  => help
  ?       - alias for 'help'
  base    - print or set address offset
  bdinfo  - print Board Info structure
  boot    - boot default, i.e., run 'bootcmd'
  bootd   - boot default, i.e., run 'bootcmd'
  bootm   - boot application image from memory
  bootp   - boot image via network using BOOTP/TFTP protocol
  cmp     - memory compare
  colorbar- show colorbar
  coninfo - print console devices and information
  cp      - memory copy
  crc32   - checksum calculation
  echo    - echo args to console
  editenv - edit environment variable
  efex    - run to efex
  env     - environment handling commands
  erase   - erase FLASH memory
  fastboot- fastboot - enter USB Fastboot protocol
  fatinfo - print information about filesystem
  fatload - load binary file from a dos filesystem
  fatls   - list files in a directory (default /)
  fatsize - determine a file's size
  fatwrite- write file into a dos filesystem
  fdt     - flattened device tree utility commands
  flinfo  - print FLASH memory information
  go      - start application at address 'addr'
  gpt     - GUID Partition Table
  help    - print command description/usage
  i2c     - I2C sub-system
  itest   - return true/false on integer compare
  loadb   - load binary file over serial line (kermit mode)
  loads   - load S-Record file over serial line
  loadx   - load binary file over serial line (xmodem mode)
  loady   - load binary file over serial line (ymodem mode)
  logo    - show default logo
  loop    - infinite loop on address range
  md      - memory display
  memtester- start application at address 'addr'
  mm      - memory modify (auto-incrementing address)
  mmc     - MMC sub system
  mmcinfo - display MMC info
  mw      - memory write (fill)
  nfs     - boot image via network using NFS protocol
  nm      - memory modify (constant address)
  pbread  - read data from private data
  poweroff- Perform POWEROFF of the device
  printenv- print environment variables
  protect - enable or disable FLASH write protection
  pst     - read data from secure storageerase flag in secure storage
  reset   - Perform RESET of the CPU
  run     - run commands in an environment variable
  saveenv - save environment variables to persistent storage
  screen_char- show default screen chars
  setenv  - set environment variables
  setexpr - set environment variable as the result of eval expression
  sleep   - delay execution for some time
  source  - run script from memory
  sprite_test- do a sprite test
  sunxi_axp- sunxi_axp sub-system
  sunxi_bmp_info- manipulate BMP image data
  sunxi_bmp_show- manipulate BMP image data
  sunxi_card0_probe- probe sunxi card0 device
  sunxi_flash- sunxi_flash sub-system
  sunxi_nand_test- sunxi_nand_test sub systerm
  sunxi_so- sunxi_so sub-system
  tftpboot- boot image via network using TFTP protocol
  timer_test- do a timer and int test
  timer_test1- do a timer and int test
  uburn   - do a burn from boot
  version - print monitor, compiler and linker version
  

Help U-Boot Android 12


=> help
  ?       - alias for 'help'
*  ab_select- Select the slot used to boot from and register the boot attempt.
*  auto_update_check- auto_update_v2   - Do TFCard of Udisk update
  base    - print or set address offset
  bdinfo  - print Board Info structure
  boot    - boot default, i.e., run 'bootcmd'
  bootd   - boot default, i.e., run 'bootcmd'
  bootm   - boot application image from memory
  cmp     - memory compare
  colorbar- show colorbar
  coninfo - print console devices and information
  cp      - memory copy
  crc32   - checksum calculation
  disp    - show display status
  echo    - echo args to console
  editenv - edit environment variable
  efex    - run to efex
  env     - environment handling commands
  erase   - erase FLASH memory
  fastboot- fastboot - enter USB Fastboot protocol
  fatinfo - print information about filesystem
  fatload - load binary file from a dos filesystem
  fatls   - list files in a directory (default /)
  fatsize - determine a file's size
  fatwrite- write file into a dos filesystem
  fdt     - flattened device tree utility commands
  flinfo  - print FLASH memory information
  gpt     - GUID Partition Table
  help    - print command description/usage
  i2c     - I2C sub-system
  itest   - return true/false on integer compare
  loadb   - load binary file over serial line (kermit mode)
  loads   - load S-Record file over serial line
  loadx   - load binary file over serial line (xmodem mode)
  loady   - load binary file over serial line (ymodem mode)
  logo    - show default logo
  loop    - infinite loop on address range
  md      - memory display
  memtester- start application at address 'addr'
  mm      - memory modify (auto-incrementing address)
  mmc     - MMC sub system
  mmcinfo - display MMC info
  mw      - memory write (fill)
  nm      - memory modify (constant address)
* part    - disk partition related commands
  pbread  - read data from private data
  poweroff- Perform POWEROFF of the device
  printenv- print environment variables
  protect - enable or disable FLASH write protection
  pst     - read data from secure storageerase flag in secure storage
  reset   - Perform RESET of the CPU
  run     - run commands in an environment variable
  saveenv - save environment variables to persistent storage
  screen_char- show default screen chars
  set_working_fdt- set_working_fdt fdt_addr
  setenv  - set environment variables
  setexpr - set environment variable as the result of eval expression
  sleep   - delay execution for some time
  source  - run script from memory
  sprite_test- do a sprite test
* sunxi_ab_test- enable test for uboot ab select feature
  sunxi_axp- sunxi_axp sub-system
  sunxi_bmp_info- manipulate BMP image data
  sunxi_bmp_show- manipulate BMP image data
  sunxi_card0_probe- probe sunxi card0 device
  sunxi_flash- sunxi_flash sub-system
  sunxi_mem_info_dump- check if not exceed scope
  sunxi_nand_test- sunxi_nand_test sub systerm
  sunxi_so- sunxi_so sub-system
  timer_test- do a timer and int test
  timer_test1- do a timer and int test
  uburn   - do a burn from boot
* usb     - USB sub-system
* usbboot - boot from USB device
  version - print monitor, compiler and linker version

Примечание. Помечены '*' и выделены команды, которые добавлены в U-Boot образа Android 12




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