RTOS: SysTimer: Fix update_tick

fkjagodzinski · fkjagodzinski · commit d83ed63a3149 · 2018-02-28T14:37:13.000+01:00
diff --git a/rtos/TARGET_CORTEX/SysTimer.cpp b/rtos/TARGET_CORTEX/SysTimer.cpp
@@ -78,7 +78,7 @@ uint32_t SysTimer::get_tick()
 
 uint32_t SysTimer::update_tick()
 {
-    uint64_t new_tick = ticker_read_us(_ticker_data) * OS_TICK_FREQ / 1000000;
+    uint64_t new_tick = (ticker_read_us(_ticker_data) - _start_time) * OS_TICK_FREQ / 1000000;
     if (new_tick > _tick) {
         // Don't update to the current tick. Instead, update to the
         // previous tick and let the SysTick handler increment it

Original file line number	Diff line number	Diff line change
`@@ -78,7 +78,7 @@ uint32_t SysTimer::get_tick()`
`78`	`78`
`79`	`79`	`uint32_t SysTimer::update_tick()`
`80`	`80`	`{`
`81`		`- uint64_t new_tick = ticker_read_us(_ticker_data) * OS_TICK_FREQ / 1000000;`
	`81`	`+ uint64_t new_tick = (ticker_read_us(_ticker_data) - _start_time) * OS_TICK_FREQ / 1000000;`
`82`	`82`	`if (new_tick > _tick) {`
`83`	`83`	`// Don't update to the current tick. Instead, update to the`
`84`	`84`	`// previous tick and let the SysTick handler increment it`