1 files changed, 35 insertions, 0 deletions
diff --git a/src/gpio.cpp b/src/gpio.cpp
new file mode 100644
index 0000000..d7dcd7b
--- /dev/null
+++ b/src/gpio.cpp
@@ -0,0 +1,35 @@
+#include "badge/gpio.h"
+
+#include  <Arduino.h>
+
+#define BUTTON_PIN 0
+
+static unsigned long pressedTime = 0;
+static unsigned long releasedTime = 0;
+
+void de::uvok::badge::gpio_init(void)
+{
+}
+
+long de::uvok::badge::gpio_poll(void)
+{
+    static int lastState = HIGH;
+    int buttonState = digitalRead(BUTTON_PIN);
+    long pressDuration = 0;
+    if (lastState == HIGH && buttonState == LOW)
+    {
+        Serial.println("``\\__");
+        pressedTime = millis();
+        lastState = LOW;
+    }
+    else if (lastState == LOW && buttonState == HIGH)
+    {
+        lastState = HIGH;
+        Serial.println("__/``");
+        releasedTime = millis();
+
+        pressDuration = releasedTime - pressedTime;
+    };
+
+    return pressDuration;
+}