I'm finding out that the serial port is too painfully slow for debugging my project... is there a routine for printf thru the JTAG port (hopefully fast), and is there a way to capture that (a la "log to file" in Teraterm)?
I'm not aware of something like easy to use. But what is your requirement - with a usual UART to USB converter you can achieve 230.4kbps or if you have a SPI to USB converter you can use the SPI up to 5.12 Mbps.
IAR came to visit me and demoed their debug capability with a JLINK debug box. On a Cortex device you can set up debug events that are virtually real time. It would be worth checking how much of that functionality you get with an ARM7TDMI core as it was very impressive.
if you mean the LiveWatch, this only works on Cortex - I checked it quick on a ADuC702x.
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