First commit

Software/Software.ino

@@ -8,6 +8,7 @@
 #include "src/battery/BATTERIES.h"
 #include "src/charger/CHARGERS.h"
 #include "src/devboard/config.h"
+#include "src/devboard/utils/events.h"
 #include "src/inverter/INVERTERS.h"
 #include "src/lib/adafruit-Adafruit_NeoPixel/Adafruit_NeoPixel.h"
 #include "src/lib/eModbus-eModbus/Logging.h"
@@ -129,6 +130,8 @@ void setup() {
   init_webserver();
 #endif
 
+  init_events();
+
   init_CAN();
 
   init_LED();
@@ -183,6 +186,7 @@ void loop() {
   {
     previousMillisUpdateVal = millis();
     update_values();  // Update values heading towards inverter. Prepare for sending on CAN, or write directly to Modbus.
+    set_event(EVENT_DUMMY, (uint8_t)millis());
   }
 
   // Output
@@ -190,6 +194,7 @@ void loop() {
 #ifdef DUAL_CAN
   send_can2();
 #endif
+  update_event_timestamps();
 }
 
 // Initialization functions

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;
+  }
+}

Software/src/devboard/utils/events.h

@@ -0,0 +1,27 @@
+#ifndef __EVENTS_H__
+#define __EVENTS_H__
+
+#include <Arduino.h>
+
+typedef enum {
+  EVENT_CAN_FAILURE = 0u,
+  EVENT_CAN_WARNING,
+  EVENT_WATER_INGRESS,
+  EVENT_12V_LOW,
+  EVENT_SOC_PLAUSIBILITY_ERROR,
+  EVENT_KWH_PLAUSIBILITY_ERROR,
+  EVENT_BATTERY_CHG_DISCHG_STOP_REQ,
+  EVENT_LOW_SOH,
+  EVENT_HVIL_FAILURE,
+  EVENT_INTERNAL_OPEN_FAULT,
+  EVENT_CELL_UNDER_VOLTAGE,
+  EVENT_CELL_OVER_VOLTAGE,
+  EVENT_DUMMY,
+  EVENT_NOF_EVENTS
+} EVENTS_ENUM_TYPE;
+
+void init_events(void);
+void set_event(EVENTS_ENUM_TYPE event, uint8_t data);
+void update_event_timestamps(void);
+
+#endif  // __MYTIMER_H__