Note: This section applies to Embedded Studio V6.12 and later. Use user-supplied I/O mechanisms, such as output on a UART. No code for formatting is required on the target, saving 1 - 3 kiloBytes of ROM. The debugger reads the format string and the parameters from the target and feeds it to its formatter to be printed. With host formatting printf output is processed by the debugger instead of on the target. On halt, the debugger reads and executes the operation command and parameters.Īvailable on all targets (Cortex-M, Cortex-A, Cortex-R, RISC-V)
The J-Link reads the SWO pin while the target is running.Īvailable on all Cortex-M based systems with a SWO pin. The target application writes the output string to the ITM stimulus ports.
#SEGGER EMBEDDED STUDIO BUILD LIBRARY FULL#
To use the full RTT API, the RTT Target Package needs to be added to the Embedded Studio project: RTT in Embedded Studio SWO SEGGER Embedded Studio provides RTT printf() functionality automatically. Or its content should be encapsulated with #if !defined(_SEGGER_RTL_VERSION). When using the SEGGER Runtime Library, this file should be removed from the project, Older projects might include SEGGER_RTT_Syscalls_SES.c or a similar file to override printf(). Suitable for applications with real-time requirements. The J-Link reads the buffer while the target is running. The target application writes the output string to a buffer in RAM. Use SEGGER Real-Time Transfer (RTT), which enables super fast output without halting the system. There are different mechanisms for different application requirements.
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