Tapton Eesarm
/
PololuLedStrip
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Fork of
PololuLedStrip
by 
David Grayson
Revision 21:87fd6273e0ff, committed 2013-11-26
- Comitter:
- DavidEGrayson
- Date:
- Tue Nov 26 23:05:08 2013 +0000
- Parent:
- 20:656bbcb64e3b
- Child:
- 22:8dc878594d24
- Child:
- 23:5368af3ff07d
- Commit message:
- fixed a comment
Changed in this revision
| led_strip_write_color.s | Show annotated file Show diff for this revision Revisions of this file |
--- a/led_strip_write_color.s Wed Nov 13 21:16:24 2013 +0000
+++ b/led_strip_write_color.s Tue Nov 26 23:05:08 2013 +0000
@@ -35,9 +35,9 @@
orrs r6, r6, r4 ; Put red in r6.
ldrb r4, [r0, #2] ; Load blue.
lsls r4, r4, #8
- orrs r6, r6, r4 ; Put blue in LSB of r6.
+ orrs r6, r6, r4 ; Put blue in r6.
- ; On the Cortex M0 we simply did:
+ ; On the Cortex-M3 we simply did:
; ldr r6, [r0] ; Read the color. Now we have: xxBbGgRr
; rbit r6, r6 ; Reverse the order of the bits: rRgGbBxx
; rev r6, r6 ; Reverse the order of the bytes: xxbBgGrR
@@ -65,6 +65,7 @@
delay #0
+ tst r6, r8
ldr r4, =0x80000000
tst r6, r4
beq delay1