short sleeps are handled via usleep, longer sleeps we round up to nearest ms.
There was a bug in jtag_sleep() in that it would round *down* to nearest ms, thus making all <1ms sleeps 0. Found by inspection rather than symptom. Signed-off-by: Øyvind Harboe <[email protected]> --- src/jtag/core.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/src/jtag/core.c b/src/jtag/core.c index d7e1cce..68c1257 100644 --- a/src/jtag/core.c +++ b/src/jtag/core.c @@ -871,9 +871,16 @@ static int jtag_reset_callback(enum jtag_event event, void *priv) return ERROR_OK; } +/* sleep at least us microseconds. When we sleep more than 1000ms we + * do an alive sleep, i.e. keep GDB alive. Note that we could starve + * GDB if we slept for <1000ms many times. + */ void jtag_sleep(uint32_t us) { - alive_sleep(us/1000); + if (us < 1000) + usleep(us); + else + alive_sleep((us+999)/1000); } /* Maximum number of enabled JTAG devices we expect in the scan chain, -- 1.7.0.4 _______________________________________________ Openocd-development mailing list [email protected] https://lists.berlios.de/mailman/listinfo/openocd-development
