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Only trigger on falling pin interrupts.

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This commit is contained in:
James Harton 2020-01-22 19:35:30 +13:00
parent caaaff3571
commit a731a2295d
1 changed files with 2 additions and 2 deletions
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4
lib/pca9641.ex
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@ -83,7 +83,7 @@ defmodule PCA9641 do
def interrupt_pin_enable(%PCA9641{int_pin: nil}), do: {:error, "No interrupt pin specified."}
def interrupt_pin_enable(%PCA9641{int_pin: conn} = dev) do
with {:ok, conn} <- Wafer.GPIO.enable_interrupt(conn, :both, dev),
with {:ok, conn} <- Wafer.GPIO.enable_interrupt(conn, :falling, dev),
do: {:ok, %{dev | int_pin: conn}}
end
@ -99,7 +99,7 @@ defmodule PCA9641 do
do: {:error, "No interrupt pin specified."}
def interrupt_pin_enable(%PCA9641{int_pin: conn} = dev, metadata) do
with {:ok, conn} <- Wafer.GPIO.enable_interrupt(conn, :both, {dev, metadata}),
with {:ok, conn} <- Wafer.GPIO.enable_interrupt(conn, :falling, {dev, metadata}),
do: {:ok, %{dev | int_pin: conn}}
end