1 files changed, 6 insertions, 3 deletions

diff --git a/common/timer.h b/common/timer.h
index d24d3eab6..70b008e6c 100644
--- a/common/timer.h
+++ b/common/timer.h
@@ -40,20 +40,23 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #endif
 
 #define TIMER_DIFF(a, b, max)   ((a) >= (b) ?  (a) - (b) : (max) - (b) + (a))
-#define TIMER_DIFF_RAW(a, b)    TIMER_DIFF(a, b, UINT8_MAX)
-#define TIMER_DIFF_MS(a, b)     TIMER_DIFF(a, b, UINT16_MAX)
+#define TIMER_DIFF_8(a, b)      TIMER_DIFF(a, b, UINT8_MAX)
+#define TIMER_DIFF_16(a, b)     TIMER_DIFF(a, b, UINT16_MAX)
+#define TIMER_DIFF_32(a, b)     TIMER_DIFF(a, b, UINT32_MAX)
 
 
 #ifdef __cplusplus
 extern "C" {
 #endif
-extern volatile uint16_t timer_count;
+extern volatile uint32_t timer_count;
 
 
 void timer_init(void);
 void timer_clear(void);
 uint16_t timer_read(void);
+uint32_t timer_read32(void);
 uint16_t timer_elapsed(uint16_t last);
+uint32_t timer_elapsed32(uint32_t last);
 #ifdef __cplusplus
 }
 #endif