stlink: print target voltage if supported80/980/5
authorSpencer Oliver <spen@spen-soft.co.uk>
Thu, 15 Nov 2012 11:20:20 +0000 (11:20 +0000)
committerSpencer Oliver <spen@spen-soft.co.uk>
Mon, 24 Dec 2012 11:19:53 +0000 (11:19 +0000)
commit928289773cc3399a8024bc83c7a6ba330676761c
treedc7436c47b310b5f706e09b539dbf28181464584
parente0d4d46dbec3b729ea8ca51c247ad00c7c12edd7
stlink: print target voltage if supported

The stlink/v2 has the ability to check the target voltage if the firmware
is recent enough (>= J13).

As a debugging aid we check the voltage at startup and issue an error if
this is too low to debug reliably.

Change-Id: I98e251f3880e31049c4307051c30bedd3451cf87
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/980
Tested-by: jenkins
src/jtag/drivers/stlink_usb.c