cleanup and sort metrics

main/metrics.h

@@ -6,10 +6,20 @@
 #define METRIC_NAME_MAX_SIZE 256U
 #define METRIC_MAX_COUNT 64U
 
+typedef enum _MetricValueType
+{
+    FLOAT,
+    INTEGER_U8,
+    INTEGER_64,
+} eMetricValueType;
+
 typedef struct _metric
 {
     char caMetricName[METRIC_NAME_MAX_SIZE];
+    eMetricValueType type;
     float fMetricValue;
+    uint8_t u8MetricValue;
+    int64_t i64MetricValue;
 } sMetric;
 
 void initMetrics(void);