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DAPLink is an open-source interface firmware that runs on a secondary MCU attached to the SWD or JTAG port of Arm Cortex CPUs, providing a bridge between the host computer and the CPU debug access port. It enables drag-and-drop programming, a serial port, and CMSIS-DAP debugging, and presents as a storage device with HID and CDC endpoints on Windows, macOS, and Linux. The project is actively developed by Arm, partners, and the open-source community, with public reference designs and the source code available on the Arm Mbed GitHub organization, and compatibility with tools like pyOCD and CMSIS-DAP-enabled IDEs.
Sources
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