Make reading the global ms tick atomic in order to prevent glitches

2020-06-01 20:45:27 +02:00
parent 1751db31c5
commit f956968cb4
2 changed files with 8 additions and 2 deletions
--- a/stm-firmware/include/reflow-controller/systick.h
+++ b/stm-firmware/include/reflow-controller/systick.h
@@ -45,7 +45,7 @@ extern volatile uint32_t wait_tick_ms;
 * @brief Systemclock in milliseconds.
 *
 * This value must not be reset during the whole runtime.
- *
+ * @warning In order to use this, you must assure that the read access is atomic.
 */
 extern volatile uint64_t global_tick_ms;