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-rw-r--r--lc_examples/ioexpander.lua14
1 files changed, 14 insertions, 0 deletions
diff --git a/lc_examples/ioexpander.lua b/lc_examples/ioexpander.lua
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+++ b/lc_examples/ioexpander.lua
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+--Digilines I/O Expander Example
+
+--Connect two I/O expanders, one on channel "expander1" and one on "expander2"
+--The pins on the second expander will follow the input states on the first one.
+--In addition, whenever an input on the first expander changes, a line will be logged to the terminal with the new state.
+
+local function iostr(pin)
+ return (pin and "1" or "0")
+end
+
+if event.channel == "expander1" then
+ digiline_send("expander2",event.msg)
+ print(string.format("A: %s B: %s C: %s D: %s",iostr(event.msg.a),iostr(event.msg.b),iostr(event.msg.c),iostr(event.msg.d)))
+end