Added injection counter module

src/base/task.h

@@ -16,6 +16,7 @@ enum Id : uint8_t {
     Thermocouple,
     Telemetry,
     LapCounter,
+    InjectionCounter,
     Count,
     Null,
     All,

src/data/general_store.cpp

@@ -9,6 +9,7 @@ volatile int gps_trigger_global = 0;
 volatile uint32_t last_lap_time_global = 0;
 volatile uint16_t lap_count_global = 0;
 volatile float speed_avg_global = 0;
+volatile uint16_t injection_ctr_global = 0;
 
 void vbatGlobalRead(float &out) { out = vbat_global; }
 
@@ -33,3 +34,7 @@ void lapCountGlobalWrite(const uint16_t &in) { lap_count_global = in; }
 void speedAvgGlobalRead(float &out) { out = speed_avg_global; }
 
 void speedAvgGlobalWrite(const float &in) { speed_avg_global = in; }
+
+void injectionCtrGlobalRead(uint16_t &out) { out = injection_ctr_global; }
+
+void injectionCtrGlobalWrite(const uint16_t &in) { injection_ctr_global = in; }

src/data/general_store.h

@@ -10,6 +10,7 @@ extern volatile int gps_trigger_global;
 extern volatile uint32_t last_lap_time_global;
 extern volatile uint16_t lap_count_global;
 extern volatile float speed_avg_global;
+extern volatile uint16_t injection_ctr_global;
 
 void vbatGlobalRead(float& out);
 void vbatGlobalWrite(const float& in);
@@ -28,3 +29,6 @@ void lapCountGlobalWrite(const uint16_t& in);
 
 void speedAvgGlobalRead(float& out);
 void speedAvgGlobalWrite(const float& in);
+
+void injectionCtrGlobalRead(uint16_t& out);
+void injectionCtrGlobalWrite(const uint16_t& in);

src/main.cpp

@@ -17,6 +17,7 @@
 #include "modules/thermocouple/thermocouple.h"
 #include "modules/telemetry/telemetry.h"
 #include "modules/lap_counter/lap_counter.h"
+#include "modules/injection_counter/injection_counter.h"
 
 
 SystemLogger *logger = new SystemLogger(&Serial);
@@ -29,6 +30,7 @@ Battery *battery_module = new Battery(logger);
 Thermocouple *thermocouple_module = new Thermocouple(logger);
 Telemetry *telemetry_module = new Telemetry(&Serial1, logger);
 LapCounter *lap_counter_modules = new LapCounter(logger);
+InjectionCounter *inj_counter_module = new InjectionCounter(logger);
 
 
 
@@ -43,6 +45,7 @@ void setup() {
   module_registry[module::Thermocouple] = thermocouple_module;
   module_registry[module::Telemetry] = telemetry_module;
   module_registry[module::LapCounter] = lap_counter_modules;
+  module_registry[module::InjectionCounter] = inj_counter_module;
 
   display->init();
   display->printMessage("Starting Initialization");
@@ -74,6 +77,7 @@ void setup() {
   display->printMessage("Sensors Init...");
   battery_module->init();
   thermocouple_module->init();
+  inj_counter_module->init();
   delay(750);
   display->printMessage("Sensors Init Complete");
   delay(750);
@@ -95,4 +99,5 @@ void loop() {
   battery_module->loop();
   thermocouple_module->loop();
   telemetry_module->loop();
+  inj_counter_module->loop();
 }

src/modules/injection_counter/injection_counter.cpp

@@ -0,0 +1,45 @@
+// Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
+// Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+#include "injection_counter.h"
+#include "base/router.h"
+#include "data/general_store.h"
+
+int InjectionCounter::push(const Task &task) { return queue_.push(task); }
+
+InjectionCounter::InjectionCounter() : logger_(nullptr) {};
+
+InjectionCounter::InjectionCounter(SystemLogger *logger) : logger_(logger) {};
+
+InjectionCounter::~InjectionCounter() {};
+
+int InjectionCounter::init() { pinMode(INJ_GPIO, INPUT); }
+
+int InjectionCounter::loop() {
+  unsigned long now = millis();
+
+  if (now - last_check_ >= check_interval_) {
+    last_check_ = now;
+
+    int val = digitalRead(INJ_GPIO);
+
+    if (val == 1 && last_switch_ == 0 && !waiting_debounce_) {
+      waiting_debounce_ = true;
+      last_switch_time_ = now;
+    }
+
+    if (waiting_debounce_) {
+      if (now - last_switch_time_ >= debounce_) {
+        if (digitalRead(INJ_GPIO) == 1) {
+          counter_++;
+          injectionCtrGlobalWrite(counter_);
+        }
+        waiting_debounce_ = false;
+      }
+    }
+
+    last_switch_ = val;
+  }
+
+  return 0;
+}

src/modules/injection_counter/injection_counter.h

@@ -0,0 +1,30 @@
+// Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
+// Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+#include "base/module_base.h"
+#include "base/ring_buffer.h"
+#include "modules/logger/system_logger.h"
+
+#define INJ_GPIO 37
+
+class InjectionCounter : public ModuleBase {
+private:
+  SystemLogger *logger_;
+  RingBuffer<Task, 16> queue_;
+  unsigned long last_check_;
+  unsigned long check_interval_ = 100;
+  unsigned long debounce_ = 100;
+  int last_switch_ = 0;
+  int last_switch_time_ = 0;
+  bool waiting_debounce_ = 0;
+  uint16_t counter_ = 0;
+
+public:
+  int push(const Task &task) override;
+  InjectionCounter();
+  InjectionCounter(SystemLogger* logger);
+  ~InjectionCounter();
+  int init();
+  int loop();
+};

src/modules/lap_counter/lap_counter.cpp

@@ -88,15 +88,17 @@ int LapCounter::loop() {
     gpsGlobalRead(gps);
     unsigned long now = millis();
     float dt = (now - last_average_time_) / 1000.0f;
+    float speed = gps.speed_.value_;
+    if (speed < 1) speed = 0;
 
     continuous_time_sum_ += dt;
     if (last_average_time_ == 0) {
-      continuous_speed_sum_ += gps.speed_.value_ * dt;
+      continuous_speed_sum_ += speed * dt;
     } else {
       continuous_speed_sum_ +=
-          (gps.speed_.value_ + previous_speed_) * 0.5f * dt;
+          (speed + previous_speed_) * 0.5f * dt;
     }
-    previous_speed_ = gps.speed_.value_;
+    previous_speed_ = speed;
 
     speedAvgGlobalWrite(continuous_speed_sum_ / continuous_time_sum_);
 

src/modules/lcd/lcd.cpp

@@ -170,6 +170,9 @@ int Lcd::renderDriverPrimary() {
   float average_speed;
   speedAvgGlobalRead(average_speed);
 
+  uint16_t inj_ctr;
+  injectionCtrGlobalRead(inj_ctr);
+
   if (!base_rendered_) {
     this->clear();
     display_->setCursor(0, 0);
@@ -178,6 +181,9 @@ int Lcd::renderDriverPrimary() {
     display_->setCursor(7, 0);
     this->print("LAPS:");
 
+    display_->setCursor(0, 1);
+    this->print("INJ:");
+
     display_->setCursor(0, 2);
     this->print("SPD:");
 
@@ -204,6 +210,15 @@ int Lcd::renderDriverPrimary() {
     this->print('0');
   this->print(num_laps, 10);
 
+  display_->setCursor(4, 1);
+  if (inj_ctr < 100) {
+    this->print('0');
+    if (inj_ctr < 10) {
+      this->print('0');
+    }
+  }
+  this->print(inj_ctr, 10);
+
   display_->setCursor(4, 2);
   if (gps_data.speed_.value_ < 10.0)
     this->print('0');