OSJTAG

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OSJTAG is an open source hardware debugging and programming system. It\'s used to read, write and debug embedded devices and provide a closed loop communication bridge between embedded devices and the software development environment. The technology is based on the 1-wired debug interface, which is a type of communication protocol designed to provide maximum control over a wide range of devices and platforms.

The OSJTAG system is used mostly for debugging code, but can also help debug hardware. The system works by connecting to the device via the 1-wired debug interface and then using the commands it receives from the software to read, write and debug the embedded device. The system can also be used to debug the hardware by breaking into the CPU to inspect and adjust the bus commands.

The main field of application is embedded system development as it provides a low cost and efficient solution to development and debugging. It can significantly reduce the time taken to develop and debug embedded devices and provide more time to focus on the design and debugging of the code. The OSJTAG system can also be used to test the design and code written for the embedded system.

The working principle of OSJTAG is based on the 1-wired debug interface. This interface is used to connect the software development environment with the embedded device. Once the connection is established, the software runs commands to read, write and debug data on the device. The software can also use the interface to debug the embedded system’s hardware by breaking into the CPU to inspect and adjust the bus commands.

The OSJTAG system can also be used to write code into the device and, therefore, develop entire applications for the embedded system. This involves writing code to the RAM and then executing it from the RAM, instead of directly to the device. This makes the process much faster and more efficient as the code can be tested and debugged quickly without affecting the actual device.

In conclusion, the OSJTAG system can be used for embedded system development, debugging code and testing designs. The main application is embedded system development since it provides a low cost and efficient solution to develop and debug embedded systems. OSJTAG works on the 1-wired debug interface and allows the software to read, write and debug data on the device. The system can also be used to write code into the device and, therefore, develop applications for the embedded system.

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