Colleagues,
Is it possible to printf() to the PC through J-Link debugger? If so, what has to be done to configure it? If somebody could post an example, that would be awesome.
Thanks,
- Nick
With the IAR tools, I did read that this is possible. I’ve not done it. As I recall you setup a linker file with the right config and libraries.
Don’t know how with other IDEs.
GettingStarted project for LPC2378, which comes with IAR Embedded Workbench (EWARM), is configured so that printf() goes to J-Link the output appears in the Terminal I/O window within EWARM. To open click on the menu View -> Terminal I/O.stevech:
With the IAR tools, I did read that this is possible.
Still, it would be interesting to know how to configure this feature in a scratch-made project.
I guess C++ stream framework can support multiple different streams. E.g. UART, debug output through J-Link, I2C (provided addressing is taken care of).
- Nick
UPDATE: printf() through J-Link appears to be fairly slow.
for writing to the Terminal I/O window the DCC is used.kender:
Still, it would be interesting to know how to configure this feature in a scratch-made project.
Search for DCC in the J-Link or EWARM manual.
regards
gerhard
I have occasionally used the DCC for debugging purposes, but not specifically stdio stream direction. You may get what you want through a more simple usage, as documented in IAR’s website:
this document only describes how to realize live watch (which also uses dcc).ftsolutions:
I have occasionally used the DCC for debugging purposes, but not specifically stdio stream direction. You may get what you want through a more simple usage, as documented in IAR’s website:
for output to terminal i/o take a look ath the ewarm user guide, chapter “TERMINAL I/O AND USE OF DCC”.
regards
gerhard