esp8266 esptool.py

ubuntu 22.04에서 brltty를 삭제하고 하라고 한다.

[링크 : https://stackoverflow.com/questions/70123431/why-would-ch341-uart-is-disconnected-from-ttyusb]

 

패키지 설치는 아래의 명령어를 사용하면 끝!

$ sudo apt remove brltty $ git clone https://github.com/espressif/esptool.git $ pip install intelhex $ pip install pyserial $ cd esptool

 

아따.. 읽어 보기도 힘드네 -_-

$ ./esptool.py --port /dev/ttyUSB0 read_flash_status esptool.py v4.6.2 Serial port /dev/ttyUSB0 Connecting.... Detecting chip type... Unsupported detection protocol, switching and trying again... Connecting.... Detecting chip type... ESP8266 Chip is ESP8266EX Features: WiFi Crystal is 26MHz MAC: bc:ff:4d:f8:18:35 Uploading stub... Running stub... Stub running... Status value: 0x0000 Hard resetting via RTS pin...

$ ./esptool.py --port /dev/ttyUSB0 flash_id esptool.py v4.6.2 Serial port /dev/ttyUSB0 Connecting.... Detecting chip type... Unsupported detection protocol, switching and trying again... Connecting.... Detecting chip type... ESP8266 Chip is ESP8266EX Features: WiFi Crystal is 26MHz MAC: bc:ff:4d:f8:18:35 Uploading stub... Running stub... Stub running... Manufacturer: d8 Device: 4016 Detected flash size: 4MB Hard resetting via RTS pin...

$ ./esptool.py --port /dev/ttyUSB0 chip_id esptool.py v4.6.2 Serial port /dev/ttyUSB0 Connecting.... Detecting chip type... Unsupported detection protocol, switching and trying again... Connecting.... Detecting chip type... ESP8266 Chip is ESP8266EX Features: WiFi Crystal is 26MHz MAC: bc:ff:4d:f8:18:35 Uploading stub... Running stub... Stub running... Chip ID: 0x00f81835 Hard resetting via RTS pin...

 

$ ./esptool.py -h usage: esptool [-h]                [--chip {auto,esp8266,esp32,esp32s2,esp32s3beta2,esp32s3,esp32c3,esp32c6beta,esp32h2beta1,esp32h2beta2,esp32c2,esp32c6,esp32h2,esp32p4}]                [--port PORT] [--baud BAUD]                [--before {default_reset,usb_reset,no_reset,no_reset_no_sync}]                [--after {hard_reset,soft_reset,no_reset,no_reset_stub}] [--no-stub] [--trace]                [--override-vddsdio [{1.8V,1.9V,OFF}]] [--connect-attempts CONNECT_ATTEMPTS]                {load_ram,dump_mem,read_mem,write_mem,write_flash,run,image_info,make_image,elf2image,read_mac,chip_id,flash_id,read_flash_status,write_flash_status,read_flash,verify_flash,erase_flash,erase_region,merge_bin,get_security_info,version}                ... esptool.py v4.6.2 - Espressif chips ROM Bootloader Utility positional arguments:   {load_ram,dump_mem,read_mem,write_mem,write_flash,run,image_info,make_image,elf2image,read_mac,chip_id,flash_id,read_flash_status,write_flash_status,read_flash,verify_flash,erase_flash,erase_region,merge_bin,get_security_info,version}                         Run esptool.py {command} -h for additional help     load_ram            Download an image to RAM and execute     dump_mem            Dump arbitrary memory to disk     read_mem            Read arbitrary memory location     write_mem           Read-modify-write to arbitrary memory location     write_flash         Write a binary blob to flash     run                 Run application code in flash     image_info          Dump headers from a binary file (bootloader or application)     make_image          Create an application image from binary files     elf2image           Create an application image from ELF file     read_mac            Read MAC address from OTP ROM     chip_id             Read Chip ID from OTP ROM     flash_id            Read SPI flash manufacturer and device ID     read_flash_status   Read SPI flash status register     write_flash_status  Write SPI flash status register     read_flash          Read SPI flash content     verify_flash        Verify a binary blob against flash     erase_flash         Perform Chip Erase on SPI flash     erase_region        Erase a region of the flash     merge_bin           Merge multiple raw binary files into a single file for later flashing     get_security_info   Get some security-related data     version             Print esptool version options:   -h, --help            show this help message and exit   --chip {auto,esp8266,esp32,esp32s2,esp32s3beta2,esp32s3,esp32c3,esp32c6beta,esp32h2beta1,esp32h2beta2,esp32c2,esp32c6,esp32h2,esp32p4}, -c {auto,esp8266,esp32,esp32s2,esp32s3beta2,esp32s3,esp32c3,esp32c6beta,esp32h2beta1,esp32h2beta2,esp32c2,esp32c6,esp32h2,esp32p4}                         Target chip type   --port PORT, -p PORT  Serial port device   --baud BAUD, -b BAUD  Serial port baud rate used when flashing/reading   --before {default_reset,usb_reset,no_reset,no_reset_no_sync}                         What to do before connecting to the chip   --after {hard_reset,soft_reset,no_reset,no_reset_stub}, -a {hard_reset,soft_reset,no_reset,no_reset_stub}                         What to do after esptool.py is finished   --no-stub             Disable launching the flasher stub, only talk to ROM bootloader. Some features                         will not be available.   --trace, -t           Enable trace-level output of esptool.py interactions.   --override-vddsdio [{1.8V,1.9V,OFF}]                         Override ESP32 VDDSDIO internal voltage regulator (use with care)   --connect-attempts CONNECT_ATTEMPTS                         Number of attempts to connect, negative or 0 for infinite. Default: 7.

 

[링크 : https://github.com/espressif/esptool]