client: Work in 1-second granularity

[tattlekey] / client / tattlekey.c

diff --git a/client/tattlekey.c b/client/tattlekey.c
index 9e7b4b598d9c5d0f5c6c9e4a6e77c9d3845eaa65..842561d22e47316f81b1a1c4a8500fadbec97a89 100644 (file)
--- a/client/tattlekey.c
+++ b/client/tattlekey.c
@@ -9,12 +9,14 @@
 
 queue_t queue;
 
+uint32_t time_s() { return time_us_64() / 1000000ul; }
+
 static void button_pressed() {
   /* This runs in interrupt context; don't linger.  */
   static uint64_t last_button_press_time = 0;
-  uint64_t now = time_us_64();
-  uint64_t time_since_last_press = now - last_button_press_time;
-  if (time_since_last_press > minimum_microseconds_between_button_presses) {
+  uint32_t now = time_s();
+  uint32_t time_since_last_press = now - last_button_press_time;
+  if (time_since_last_press >= minimum_seconds_between_button_presses) {
     last_button_press_time = now;
     char zero = '\0';
     /* We don't check for failure (full queue) here because there's not much to