First commit

Software/src/devboard/utils/events.cpp

@@ -0,0 +1,33 @@
+#include "events.h"
+
+typedef struct {
+  uint32_t timestamp;  // Time in seconds since startup when the event occurred
+  uint8_t data;        // Custom data passed when setting the event, for example cell number for under voltage
+  uint8_t occurences;  // Number of occurrences since startup
+} EVENTS_STRUCT_TYPE;
+
+static EVENTS_STRUCT_TYPE entries[EVENT_NOF_EVENTS];
+static unsigned long previous_millis = 0;
+static uint32_t time_seconds = 0;
+
+void init_events(void) {
+  for (uint8_t i = 0; i < EVENT_NOF_EVENTS; i++) {
+    entries[i].timestamp = 0;
+    entries[i].data = 0;
+    entries[i].occurences = 0;
+  }
+}
+
+void set_event(EVENTS_ENUM_TYPE event, uint8_t data) {
+  entries[event].timestamp = time_seconds;
+  entries[event].data = data;
+  entries[event].occurences++;
+}
+
+void update_event_timestamps(void) {
+  unsigned long new_millis = millis();
+  if (new_millis - previous_millis >= 1000) {
+    time_seconds++;
+    previous_millis = new_millis;
+  }
+}