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authorDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
committerDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
commit67d25d837ac55f28a366c0a3b262e439a6e75fc3 (patch)
treedf7715c7724c5935ab87c807f3b8b4ef529315e3 /amforth-6.5/common/lib/hardware/i2c-value.frt
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/lib/hardware/i2c-value.frt')
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diff --git a/amforth-6.5/common/lib/hardware/i2c-value.frt b/amforth-6.5/common/lib/hardware/i2c-value.frt
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+++ b/amforth-6.5/common/lib/hardware/i2c-value.frt
@@ -0,0 +1,23 @@
+\
+\ an I2C value
+\
+
+#require values.frt
+#require quotations.frt
+#require i2c.frt
+
+\ initial hwid ...
+\ 17 $3D i2c.cvalue "name"
+: i2c.cvalue ( n addr hwid -- )
+ (value)
+ dup , \ store the hwid
+ [: dup @i ( hwid) i2c.c@ ;] ,
+ [: dup @i ( hwid) i2c.c! ;] ,
+ i2c.c! \ store inital data
+;
+
+\ use case: port extender
+\ $ff $3d i2c.cvalue keys
+\ $00 to keys ( turn all off )
+\ keys $01 and if ( if key 1 is pressed )
+\