r5196 - trunk/gta02-core/docs/ecn
werner at docs.openmoko.org
werner at docs.openmoko.org
Mon Jun 22 16:01:11 CEST 2009
Author: werner
Date: 2009-06-22 16:01:10 +0200 (Mon, 22 Jun 2009)
New Revision: 5196
Added:
trunk/gta02-core/docs/ecn/ecn0016.txt
trunk/gta02-core/docs/ecn/ecn0017.txt
Modified:
trunk/gta02-core/docs/ecn/STATUS
Log:
Added two more ECNs:
0016 Remove upper acceleration sensor (U7801)
0017 Move Bluetooth module (U2) to main PCB
Modified: trunk/gta02-core/docs/ecn/STATUS
===================================================================
--- trunk/gta02-core/docs/ecn/STATUS 2009-06-22 13:27:20 UTC (rev 5195)
+++ trunk/gta02-core/docs/ecn/STATUS 2009-06-22 14:01:10 UTC (rev 5196)
@@ -15,3 +15,5 @@
0013 Defer Increase rated current of B4902
0014 Defer Limit non-ESD overvoltage on USB_VBUS
0015 Edit Remove Calypso serial interface on headset (U4401)
+0016 Edit Remove upper acceleration sensor (U7801)
+0017 Edit Move Bluetooth module (U2) to main PCB
Added: trunk/gta02-core/docs/ecn/ecn0016.txt
===================================================================
--- trunk/gta02-core/docs/ecn/ecn0016.txt (rev 0)
+++ trunk/gta02-core/docs/ecn/ecn0016.txt 2009-06-22 14:01:10 UTC (rev 5196)
@@ -0,0 +1,12 @@
+Remove upper acceleration sensor (U7801)
+
+
+Despite many claims that two acceleration sensors provide enhanced
+sensing capabilities, one year after the introduction of GTA02, no
+application seems to make use of both sensors. We can therefore
+conclude that the second sensor is of little or no practical use.
+
+To do:
+- why the upper ?
+- items to remove
+- connect both interrupts (motivation)
Added: trunk/gta02-core/docs/ecn/ecn0017.txt
===================================================================
--- trunk/gta02-core/docs/ecn/ecn0017.txt (rev 0)
+++ trunk/gta02-core/docs/ecn/ecn0017.txt 2009-06-22 14:01:10 UTC (rev 5196)
@@ -0,0 +1,7 @@
+Move Bluetooth module (U2) to main PCB
+
+
+To do:
+- explain FPC issues
+- good old times of GTA01Bv2:
+ http://people.openmoko.org/werner/retro/gta01-bt.jpg
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