Implement bed cooler...

include/app.h

@@ -22,6 +22,22 @@
 #define DS18B20_PIN 3
 #endif
 
+#ifndef PUMP_PIN
+#define PUMP_PIN 5
+#endif
+
+#ifndef PUMP_ACTIVE_LEVEL
+#define PUMP_ACTIVE_LEVEL HIGH
+#endif
+
+#ifndef PROGRAM_DEFAULT_TARGET_C
+#define PROGRAM_DEFAULT_TARGET_C 22.0f
+#endif
+
+#ifndef PROGRAM_TOLERANCE_C
+#define PROGRAM_TOLERANCE_C 0.25f
+#endif
+
 #ifndef PROJECT_NAME
 #define PROJECT_NAME "TSL Bed Cooler"
 #endif
@@ -50,6 +66,12 @@ enum LogLevel : uint8_t {
   LOG_DEBUG = 4
 };
 
+enum ProgramMode : uint8_t {
+  PROGRAM_OFF = 0,
+  PROGRAM_COOL = 1,
+  PROGRAM_WARM = 2
+};
+
 struct User {
   String name;
   String passwordHash;
@@ -88,6 +110,9 @@ extern size_t maxLogBytes;
 extern bool setupMode;
 extern uint8_t ledBrightness;
 extern bool ledInverted;
+extern bool pumpEnabled;
+extern ProgramMode programMode;
+extern float programTargetC;
 extern String updateUrl;
 extern String networkHostname;
 extern bool networkDhcp;
@@ -136,6 +161,11 @@ bool authorize();
 void appendLog(LogLevel level, const String &message);
 
 void applyLed();
+void applyPump();
+void updateTemperatureSensor();
+float currentTemperatureC();
+String programModeName();
+void updateProgram();
 void factoryReset();
 void checkFactoryResetPin();
 bool connectWifi();