Switch to event-triggered messaging

1 files changed, 8 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 9226983..f1b312b 100644
--- a/src/util.h
+++ b/src/util.h
@@ -3,6 +3,8 @@
 #include "ws2812.h"
 #include "led.h"
 
+#include "pico/time.h"
+
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdarg.h>
@@ -49,6 +51,12 @@ claim_unused_sm(PIO pio)
 	return (uint) tmp;
 }
 
+static inline uint64_t
+board_micros(void)
+{
+	return to_us_since_boot(get_absolute_time());
+}
+
 extern char warnlog[];
 extern int log_level_min;
 extern int log_group_mask;