[openfirmware] [commit] r3776 - cpu/x86/pc/olpc/sstools

[repository service]

Author: quozl
Date: Thu Jul  9 04:30:09 2015
New Revision: 3776
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/3776

Log:
OLPC XO-4 - screenshot feature extensions, cache of shots

Modified:
   cpu/x86/pc/olpc/sstools/bmp.fth

Modified: cpu/x86/pc/olpc/sstools/bmp.fth
==============================================================================
--- cpu/x86/pc/olpc/sstools/bmp.fth	Wed Jul  1 07:55:06 2015	(r3775)
+++ cpu/x86/pc/olpc/sstools/bmp.fth	Thu Jul  9 04:30:09 2015	(r3776)
@@ -1,4 +1,4 @@
-\ dump XO-1 frame buffer in BMP24 format
+\ dump XO-4 frame buffer in BMP24 format
 
 dev /display
 : fb-va  ( -- fb )  frame-buffer-adr  ;
@@ -14,19 +14,20 @@
 h# 36 constant /bmp-hdr
 /bmp-hdr buffer: bmp-hdr
 
+0 value fb-va-orig
 0 value fb-va
 
 : put-plane  ( -- )
-   " fb-va" screen-ih $call-method to fb-va
+   fb-va-orig to fb-va
    bmp-height 0   do
       bmp-width
       0  ?do
-	 fb-va w@ ( rgb565 )
-	 565>rgb ( r g b )
-	 ofd @ fputc
-	 ofd @ fputc
-	 ofd @ fputc
-	 fb-va wa1+ to fb-va
+         fb-va w@ ( rgb565 )
+         565>rgb ( r g b )
+         ofd @ fputc
+         ofd @ fputc
+         ofd @ fputc
+         fb-va wa1+ to fb-va
       loop
    loop
 ;
@@ -58,6 +59,7 @@
    writing
    screen-wh to bmp-height to bmp-width
 
+   " fb-va" screen-ih $call-method to fb-va-orig
    put-header
    put-plane
    ofd @ fclose
@@ -72,3 +74,94 @@
    ['] evaluate catch ?dup if nip nip .error then
    screen-ih add-output
 ;
+
+\ special screenshots to cache, then later save
+
+: red-on  ols-led-on  ;
+: red-off  ols-led-off ols-led-ec-control  ;
+: red-blinks  ( n -- )  0 do  red-on d# 50 ms  red-off d# 200 ms  loop  ;
+: orange-on  led-storage-gpio# gpio-set ols-led-on ols-assy-mode-on  ;
+: orange-off  led-storage-gpio# gpio-clr ols-led-off ols-assy-mode-off  ;
+
+0 value cb-va   \ base of cache
+0 value /cb-va  \ size of image
+0 value #cb     \ number of images in cache
+
+: .cb  ( -- )  ." you have " #cb .d ." images in cache" cr  ;
+
+: cb-wipe  ( -- )
+   screen-wh to bmp-height to bmp-width
+   " fb-va" screen-ih $call-method to fb-va-orig
+   bmp-height bmp-width * 2* to /cb-va
+   load-base to cb-va
+   0 to #cb
+   .cb
+;
+
+: >cb  ( #cb -- cb-va' )
+   cb-va swap /cb-va * +
+;
+
+: cb-show  ( -- )
+   fb-va-orig #cb >cb /cb-va move       \ save screen beyond cache
+   #cb 0 ?do
+      i >cb  fb-va-orig  /cb-va  move   \ show an image
+      key drop                          \ wait for a key
+   loop
+   #cb >cb fb-va-orig /cb-va move       \ restore screen
+   .cb
+;
+
+: saving  ( #cb fn$ -- )
+   writing                      ( #cb )
+   >cb to fb-va-orig            ( )
+   put-header
+   put-plane
+   ofd @ fclose
+;
+
+: cb-save  ( -- )
+   #cb 0 ?do
+      i
+      ts$
+      " u:\"
+      " saving %s%s.bmp" sprintf
+      2dup type cr
+      orange-on
+      ['] evaluate catch ?dup if nip nip .error then
+      orange-off
+      d# 1000 ms                        \ hack to enforce unique file name
+   loop
+   .cb
+;
+
+: ?cb-wait-key-up
+   red-on
+   begin  gpio-rotate-button?  0=  until
+   red-off d# 200 ms
+;
+
+: cb-key-down  ( -- )
+   ?cb-wait-key-up                      \ wait for key release
+   #cb 1+  red-blinks                   \ blink red led to show cache size
+   fb-va-orig  #cb >cb  /cb-va  move    \ save image to cache
+   #cb 1+ to #cb                        \ increment image counter
+   red-off                              \ turn off the led
+;
+
+: cb-help
+   cr
+   ." XO-4 screenshot to cache utility 2015-06-19" cr
+   "      commands" cr
+   cr
+   ."     .cb          show how many images are in cache" cr
+   ."     cb-wipe      empty the cache" cr
+   ."     cb-show      show the cache, one by one" cr
+   ."     cb-save      save the cache to USB drive" cr
+   cr
+;
+cb-help
+cb-wipe
+
+: cb-alarm  ( -- )  gpio-rotate-button?  if  cb-key-down  then  ;
+' cb-alarm d# 100 alarm                 \ schedule regular asynchronous task