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jlink-download

Use J-Link debugger to flash firmware (.bin or .hex) to ARM Cortex-M microcontrollers, supporting GD32/STM32 and other chips. Trigger scenarios: (1) Flash firmware to microcontroller, (2) User mentions "flash", "burn", "download firmware", "download", (3) Need to write compiled .bin or .hex file to chip, (4) Program target board via J-Link. Even if user just says "flash it" or "burn the chip", this skill should be used.

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Commande d'installation

npx skills add https://github.com/changde-tang/embedded-skills --skill jlink-download

Copiez et collez cette commande dans Claude Code pour installer le skill

Source

changde-tang/embedded-skills

Étoiles6

Forks0

Mis à jour18 avril 2026 à 06:55

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2 fichiers

SKILL.md

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name

jlink-download

description

J-Link Firmware Flashing

Invoke py_jlink_download.py to flash firmware files to target chips via J-Link debugger, supporting full process of erase, flash, verify, and reset.

Tool Script

Script Path: py_jlink_download.py Dependencies: Python 3.x + pylink library

pip install pylink

Usage

# Basic usage (default chip GD32F103C8)
python py_jlink_download.py firmware.bin

# Specify chip model
python py_jlink_download.py firmware.bin -d STM32F103C8

# Specify flash start address
python py_jlink_download.py firmware.bin -a 0x08001000

# Skip erase and verify (faster)
python py_jlink_download.py firmware.bin --no-erase --no-verify

Parameter Description

Parameter	Short	Description	Default
`firmware`	-	Firmware file path (.bin or .hex)	Required
`--device`	`-d`	Target chip model	`GD32F103C8`
`--addr`	`-a`	Flash start address	`0x08000000`
`--no-erase`	-	Skip chip erase before flashing	Default erase
`--no-verify`	-	Skip flash data verification	Default verify
`--no-run`	-	Do not reset and run after flash	Default reset

Flash Process

Initialize and connect J-Link
Connect to target chip (SWD interface)
Erase chip (optional)
Write firmware file
Read memory to verify data (optional)
Reset and run program (optional)

Common Chip Models

GD32F103C8 / GD32F303RC
STM32F103C8 / STM32F103RET6

If chip model is unknown, run JLinkDevices command to view the complete device list supported by J-Link.

Notes

Ensure J-Link debugger is connected to both computer and target board
Chip model must exactly match the name in J-Link database
For .hex file flashing, verification step errors can be ignored (hex format contains address information)

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Read SEGGER RTT log output in real-time via J-Link debugger, supporting auto-scan of RTT control block addresses, applicable for debugging GD32/STM32 and other ARM Cortex-M microcontrollers. Trigger scenarios: (1) Read RTT debug logs from microcontroller, (2) User mentions "RTT", "view logs", "read serial" (RTT scenario), "real-time logs", (3) Need to view output information when debugging microcontroller programs, (4) Using features similar to SEGGER RTT Viewer. Even if user just says "see what the microcontroller prints" or "read RTT", this skill should be used.

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Source

changde-tang

changde-tang/embedded-skills

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Développeurs de logicielsProfessions informatiques et mathématiques15-1252L4

name

jlink-download

description

J-Link Firmware Flashing

Invoke py_jlink_download.py to flash firmware files to target chips via J-Link debugger, supporting full process of erase, flash, verify, and reset.

Tool Script

Script Path: py_jlink_download.py Dependencies: Python 3.x + pylink library

pip install pylink

Usage

# Basic usage (default chip GD32F103C8)
python py_jlink_download.py firmware.bin

# Specify chip model
python py_jlink_download.py firmware.bin -d STM32F103C8

# Specify flash start address
python py_jlink_download.py firmware.bin -a 0x08001000

# Skip erase and verify (faster)
python py_jlink_download.py firmware.bin --no-erase --no-verify

Parameter Description

Parameter	Short	Description	Default
`firmware`	-	Firmware file path (.bin or .hex)	Required
`--device`	`-d`	Target chip model	`GD32F103C8`
`--addr`	`-a`	Flash start address	`0x08000000`
`--no-erase`	-	Skip chip erase before flashing	Default erase
`--no-verify`	-	Skip flash data verification	Default verify
`--no-run`	-	Do not reset and run after flash	Default reset

Flash Process

Initialize and connect J-Link
Connect to target chip (SWD interface)
Erase chip (optional)
Write firmware file
Read memory to verify data (optional)
Reset and run program (optional)

Common Chip Models

GD32F103C8 / GD32F303RC
STM32F103C8 / STM32F103RET6

If chip model is unknown, run JLinkDevices command to view the complete device list supported by J-Link.

Notes

Ensure J-Link debugger is connected to both computer and target board
Chip model must exactly match the name in J-Link database
For .hex file flashing, verification step errors can be ignored (hex format contains address information)