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e27e2f0229
Keys I keep hitting should work like I expect them to.
Home or Ctrl+A = move to beginning of line
End or Ctrl+E = move to end of line
Del = delete-right
Ctrl+K = delete to end of line
Ctrl+L = clear screen and reprint current line
Ctrl+N = next command
Ctrl+P = previous command
Also, improve filtering of escape sequences and non-printable
characters, so hitting unsupported keys or control codes doesn't mess
up the current line of input.
BUG=chrome-os-partner:11666
TEST=manual
type 'fhelpbar'
home -> cursor moves to beginning of line
Ctrl+E -> cursor moves to end of line
Ctrl+A -> cursor moves to beginning of line
(of course, if you're using Minicom, you'll need to type Ctrl+A A, since
Minicom uses Ctrl+A as its control key)
del -> 'helpbar'
end -> cursor moves to end of line
left-arrow 3 times -> cursor moves under 'b'
Ctrl+L -> screen clears, cursor still under 'b'
Ctrl+K -> 'help'
Ctrl+Y Page-Up Page-Down -> nothing printed
enter -> prints known commands (output of 'help' command)
Ctrl+P -> 'help'
Ctrl+N -> empty command line
Change-Id: Id893c93b26db8f3deed6ea8be5aab88a3daaead4
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28143
- EC Lib
This wraps Blizzard driverlib and implements the EC chip interface defined
by Google. See below diagram for architecture.
+--------------------+
| Host BIOS/OS |
+--------------------+
---- host interface ----
+--------------------+
| Google EC features |
+--------------------+
---- chip interface ---- The interface is defined in
src/platform/ec/chip_interface/*.
+--------------------+ But the real implementation is in EC Lib.
| EC Lib |
+--------------------+
| Blizzard low level |
| driver, the |
| driverlib. |
+--------------------+
Build Options
=============
- CONFIG_WATCHDOG_HELP
Try to detect a watchdog that is about to fire, and print a trace.
This is needed on STM32, where the independent watchdog has no early
warning feature and the windowed watchdog has a very short period.
- CONFIG_PANIC_NEW_STACK
When reporting a panic, change to a completely new stack. This might
help get a useful trace out a situation where the stack or stack
pointer has been corrupted.
- CONFIG_PANIC_HELP
Report extra information about a panic, such as the fault address,
here shown as bfar. This shows the reason for the fault and may help
to determine the cause.
=== EXCEPTION: 03 ====== xPSR: 01000000 ===========
r0 :0000000b r1 :00000047 r2 :60000000 r3 :200013dd
r4 :00000000 r5 :080053f4 r6 :200013d0 r7 :00000002
r8 :00000000 r9 :200013de r10:00000000 r11:00000000
r12:00000000 sp :200009a0 lr :08002b85 pc :08003a8a
Precise data bus error, Forced hard fault, Vector catch, bfar = 60000000
mmfs = 00008200, shcsr = 00000000, hfsr = 40000000, dfsr = 00000008
- CONFIG_ASSERT_HELP
Report assertion failures in a vebose manner to aid debugging. When
enabled an ASSERT() which fails will produce message in the form:
ASSERTION FAILURE '<expr>' in function() at file:line