Add flights counter to stats

docs/Settings.md

@@ -5792,6 +5792,16 @@ General switch of the statistics recording feature (a.k.a. odometer)
 
 ---
 
+### stats_flight_count
+
+Total number of flights. The value is updated on every disarm when "stats" are enabled.
+
+| Default | Min | Max |
+| --- | --- | --- |
+| 0 | | 65535 |
+
+---
+
 ### stats_total_dist
 
 Total flight distance [in meters]. The value is updated on every disarm when "stats" are enabled.

src/main/fc/fc_init.c

@@ -87,6 +87,7 @@
 #include "fc/rc_controls.h"
 #include "fc/runtime_config.h"
 #include "fc/firmware_update.h"
+#include "fc/stats.h"
 
 #include "flight/failsafe.h"
 #include "flight/imu.h"
@@ -720,5 +721,7 @@ void init(void)
  persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_NONE);
 #endif
 
+ statsInit();
+
  systemState |= SYSTEM_STATE_READY;
 }

src/main/fc/settings.yaml

@@ -3787,6 +3787,10 @@ groups:
  max: INT32_MAX
  condition: USE_ADC
  default_value: 0
+ - name: stats_flight_count
+ description: "Total number of flights. The value is updated on every disarm when \"stats\" are enabled."
+ default_value: 0
+ max: UINT16_MAX
 
  - name: PG_TIME_CONFIG
  type: timeConfig_t

src/main/fc/stats.c

@@ -5,8 +5,10 @@
 
 #include "fc/settings.h"
 #include "fc/stats.h"
+#include "fc/runtime_config.h"
 
 #include "sensors/battery.h"
+#include "sensors/sensors.h"
 
 #include "drivers/time.h"
 #include "navigation/navigation.h"
@@ -16,21 +18,24 @@
 #include "config/parameter_group_ids.h"
 
 #define MIN_FLIGHT_TIME_TO_RECORD_STATS_S 10 //prevent recording stats for that short "flights" [s]
+#define MIN_FLIGHT_DISTANCE_M 30 // minimum distance flown for a flight to be registered [m]
 
 
-PG_REGISTER_WITH_RESET_TEMPLATE(statsConfig_t, statsConfig, PG_STATS_CONFIG, 1);
+PG_REGISTER_WITH_RESET_TEMPLATE(statsConfig_t, statsConfig, PG_STATS_CONFIG, 2);
 
 PG_RESET_TEMPLATE(statsConfig_t, statsConfig,
  .stats_enabled = SETTING_STATS_DEFAULT,
  .stats_total_time = SETTING_STATS_TOTAL_TIME_DEFAULT,
  .stats_total_dist = SETTING_STATS_TOTAL_DIST_DEFAULT,
+ .stats_flight_count = SETTING_STATS_FLIGHT_COUNT_DEFAULT,
 #ifdef USE_ADC
  .stats_total_energy = SETTING_STATS_TOTAL_ENERGY_DEFAULT
 #endif
 );
 
 static uint32_t arm_millis;
 static uint32_t arm_distance_cm;
+static uint16_t prev_flight_count;
 
 #ifdef USE_ADC
 static uint32_t arm_mWhDrawn;
@@ -41,6 +46,11 @@ uint32_t getFlyingEnergy(void) {
 }
 #endif
 
+void statsInit(void)
+{
+ prev_flight_count = statsConfig()->stats_flight_count;
+}
+
 void statsOnArm(void)
 {
  arm_millis = millis();
@@ -57,6 +67,18 @@ void statsOnDisarm(void)
  if (dt >= MIN_FLIGHT_TIME_TO_RECORD_STATS_S) {
  statsConfigMutable()->stats_total_time += dt; //[s]
  statsConfigMutable()->stats_total_dist += (getTotalTravelDistance() - arm_distance_cm) / 100; //[m]
+#ifdef USE_GPS
+ // flight counter is incremented at most once per power on
+ if (sensors(SENSOR_GPS)) {
+ if ((getTotalTravelDistance() - arm_distance_cm) / 100 >= MIN_FLIGHT_DISTANCE_M) {
+ statsConfigMutable()->stats_flight_count = prev_flight_count + 1;
+ }
+ } else {
+ statsConfigMutable()->stats_flight_count = prev_flight_count + 1;
+ }
+#else
+ statsConfigMutable()->stats_flight_count = prev_flight_count + 1;
+#endif // USE_GPS
 #ifdef USE_ADC
  if (feature(FEATURE_VBAT) && isAmperageConfigured()) {
  const uint32_t energy = getMWhDrawn() - arm_mWhDrawn;

src/main/fc/stats.h

@@ -5,18 +5,21 @@
 typedef struct statsConfig_s {
  uint32_t stats_total_time; // [Seconds]
  uint32_t stats_total_dist; // [Metres]
+ uint16_t stats_flight_count;
 #ifdef USE_ADC
  uint32_t stats_total_energy; // deciWatt hour (x0.1Wh)
 #endif
  uint8_t stats_enabled;
 } statsConfig_t;
 
 uint32_t getFlyingEnergy(void);
+void statsInit(void);
 void statsOnArm(void);
 void statsOnDisarm(void);
 
 #else
 
+#define statsInit() do {} while (0)
 #define statsOnArm() do {} while (0)
 #define statsOnDisarm() do {} while (0)