On Monday, August 16, 2010 10:20:55 simon qian wrote: > I ask this question because in the coming OpenOCD 0.5.0, support > to SWD, SPI and so on will be added. So I put different driver in > different files(and if implemented in urjtag, no change is needed for > these files): > versaloon.c ---- generic driver layer for versaloon > usbtoxxx\usbtoxxx.c ---- dirver layer for USB_TO_XXX protocol > usbtoxxx\usbtogpio.c ---- gpio driver, for SRST and TRST control > usbtoxxx\usbtojtagraw.c ---- jtag driver > ..... > > And there is a vsllink.c in OpenOCD driver directory, it simply calls the > generic dirver layer for different operations through a generic driver > struct. > > Acutally USB_TO_XXX protocol implemented in Versaloon is a generic > dongle protocol supporting many interfaces including JTAG, SWD, SPI, > IIC, GPIO, DelayControl, PowerOutputControl, SWIM(for STM8) and so on.
urjtag does not have support for these odd busses as no one has requested and/or worked on them. it's a bit outside of the current scope of urjtag. -mike
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