From 957070a6b5886719557b6880afa7e3716548c18a Mon Sep 17 00:00:00 2001 From: XScorpion2 Date: Sun, 25 Aug 2019 14:37:55 -0500 Subject: Added OLED Display autoscroll during periods of OLED data inactivity (#6546) * Added OLED Display autoscroll during periods of OLED data inactivity. * Fixing compile errors * Feedback from review --- tmk_core/common/timer.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'tmk_core/common') diff --git a/tmk_core/common/timer.h b/tmk_core/common/timer.h index fe23f87ae..a8dd85663 100644 --- a/tmk_core/common/timer.h +++ b/tmk_core/common/timer.h @@ -19,6 +19,7 @@ along with this program. If not, see . #define TIMER_H 1 #include +#include #if defined(__AVR__) #include "avr/timer_avr.h" @@ -46,6 +47,16 @@ uint32_t timer_read32(void); uint16_t timer_elapsed(uint16_t last); uint32_t timer_elapsed32(uint32_t last); +// Utility functions to check if a future time has expired & autmatically handle time wrapping if checked / reset frequently (half of max value) +inline bool timer_expired(uint16_t current, uint16_t last) +{ + return current - last < 0x8000; +} + +inline bool timer_expired32(uint32_t current, uint32_t future) { + return current - future < 0x80000000; +} + #ifdef __cplusplus } #endif -- cgit v1.2.3