client: Respond to button press

[tattlekey] / client / config.c

diff --git a/client/config.c b/client/config.c
index d2be496c95dd8f631ceb4a3969c197156f8ec846..a8e58440dff1b24d52829f6f8989d9afc0b332ac 100644 (file)
--- a/client/config.c
+++ b/client/config.c
@@ -10,3 +10,10 @@ u16_t tattle_port = 29803; // 'tk'
 
 /* For distinguishing reports from multiple tattlekey devices. */
 u16_t this_tattler_identity = 1;
 
 /* For distinguishing reports from multiple tattlekey devices. */
 u16_t this_tattler_identity = 1;

+
+/* Which GPIO pin is the button connected to?
+ * The button should span this pin and ground, connecting this pin to ground
+ * when pressed.
+ * https://projects.raspberrypi.org/en/projects/introduction-to-the-pico/10
+ * recommends pins 18, 22, or 28. */
+uint button_pin = 18;