Progress towards a better application FSM, testing

firmware/main_mcu/src/ButtonApplication.cpp

@@ -0,0 +1,23 @@
+#include "Fsm.h"
+
+class ButtonApplication : Fsm {
+
+    class ReadConfigValuesState : public State {
+        public:
+            ReadConfigValuesState(ButtonApplication &fsm) :
+                fsm(fsm)
+            {}
+
+            void onEntry() override {
+
+            }
+
+            void step() override {
+
+            }
+
+        private:
+            ButtonApplication &fsm;
+    } read_config_values_state {*this};
+
+};

firmware/main_mcu/src/main.cpp

@@ -3,9 +3,12 @@
 #include <PubSubClient.h>
 #include <Wire.h>
 
+#include "ArduinoGpio.h"
 #include "config.h"
 #include "mqtt.h"
 #include "util.h"
+#include "DebounceFsm.h"
+#include "ArduinoClock.h"
 
 #define BTN_PIN D0
 #define RED_LED_PIN 4
@@ -17,6 +20,10 @@
 static WiFiClient wifiClient;
 static PubSubClient mqttClient;
 
+static ArduinoClock main_clock;
+static ArduinoGpioInput button_input(BTN_PIN);
+static DebounceFsm button_fsm(main_clock, button_input, 50, true, [](){}, [](){});
+
 void blink(int pin, int times, int onMillis, int offMillis) {
     // for (int i = 0; i < times; i++) {
     //     digitalWrite(pin, HIGH);
@@ -111,6 +118,23 @@ void setup() {
     ESP.deepSleep(0, RFMode::RF_NO_CAL);
 }
 
+enum ApplicationState {
+    READ_CONFIG_VALUES,
+    INIT_WIFI_CONFIG_SERVER,
+    INIT_WIFI_CLIENT,
+    INIT_MQTT,
+    RUN_WIFI_CONFIG_SERVER,
+    READ_SENSOR,
+    PUBLISH_MQTT,
+    SLEEP,
+} app_state;
+
+enum SensorState {
+   INIT_BUS,
+   REQUESTING_STATUS,
+   DONE,
+} sensor_state;
+
 void loop() {
 
 }