Diff: drivers/Timer.cpp

Revision:

167:e84263d55307

Parent:

160:d5399cc887bb

Child:

174:b96e65c34a4d

--- a/drivers/Timer.cpp	Thu Jun 08 15:02:37 2017 +0100
+++ b/drivers/Timer.cpp	Wed Jun 21 17:46:44 2017 +0100
@@ -31,7 +31,7 @@
 void Timer::start() {
     core_util_critical_section_enter();
     if (!_running) {
-        _start = ticker_read(_ticker_data);
+        _start = ticker_read_us(_ticker_data);
         _running = 1;
     }
     core_util_critical_section_exit();
@@ -45,10 +45,7 @@
 }
 
 int Timer::read_us() {
-    core_util_critical_section_enter();
-    int time = _time + slicetime();
-    core_util_critical_section_exit();
-    return time;
+    return read_high_resolution_us();
 }
 
 float Timer::read() {
@@ -56,14 +53,21 @@
 }
 
 int Timer::read_ms() {
-    return read_us() / 1000;
+    return read_high_resolution_us() / 1000;
 }
 
-int Timer::slicetime() {
+us_timestamp_t Timer::read_high_resolution_us() {
     core_util_critical_section_enter();
-    int ret = 0;
+    us_timestamp_t time = _time + slicetime();
+    core_util_critical_section_exit();
+    return time;
+}
+
+us_timestamp_t Timer::slicetime() {
+    us_timestamp_t ret = 0;
+    core_util_critical_section_enter();
     if (_running) {
-        ret = ticker_read(_ticker_data) - _start;
+        ret = ticker_read_us(_ticker_data) - _start;
     }
     core_util_critical_section_exit();
     return ret;
@@ -71,7 +75,7 @@
 
 void Timer::reset() {
     core_util_critical_section_enter();
-    _start = ticker_read(_ticker_data);
+    _start = ticker_read_us(_ticker_data);
     _time = 0;
     core_util_critical_section_exit();
 }