Add more exclude options to save program ram/flash (#4408)

* Add PowerFSM Exclude option

* Add TEXTMESSAGE module exclude option

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/PowerFSM.cpp

@@ -22,7 +22,10 @@
 #ifndef SLEEP_TIME
 #define SLEEP_TIME 30
 #endif
-
+#if EXCLUDE_POWER_FSM
+FakeFsm powerFSM;
+void PowerFSM_setup(){};
+#else
 /// Should we behave as if we have AC power now?
 static bool isPowered()
 {
@@ -395,4 +398,5 @@ void PowerFSM_setup()
 #endif
 
     powerFSM.run_machine(); // run one iteration of the state machine, so we run our on enter tasks for the initial DARK state
-}
+}
+#endif

src/PowerFSM.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <Fsm.h>
+#include "configuration.h"
 
 // See sw-design.md for documentation
 
@@ -22,7 +22,30 @@
 #define EVENT_SHUTDOWN 16        // force a full shutdown now (not just sleep)
 #define EVENT_INPUT 17           // input broker wants something, we need to wake up and enable screen
 
+#if EXCLUDE_POWER_FSM
+class FakeFsm
+{
+  public:
+    void trigger(int event)
+    {
+        if (event == EVENT_SERIAL_CONNECTED) {
+            serialConnected = true;
+        } else if (event == EVENT_SERIAL_DISCONNECTED) {
+            serialConnected = false;
+        }
+    };
+    bool getState() { return serialConnected; };
+
+  private:
+    bool serialConnected = false;
+};
+extern FakeFsm powerFSM;
+void PowerFSM_setup();
+
+#else
+#include <Fsm.h>
 extern Fsm powerFSM;
 extern State stateON, statePOWER, stateSERIAL, stateDARK;
 
 void PowerFSM_setup();
+#endif

src/PowerFSMThread.h

@@ -18,6 +18,7 @@ class PowerFSMThread : public OSThread
   protected:
     int32_t runOnce() override
     {
+#if !EXCLUDE_POWER_FSM
         powerFSM.run_machine();
 
         /// If we are in power state we force the CPU to wake every 10ms to check for serial characters (we don't yet wake
@@ -35,6 +36,9 @@ class PowerFSMThread : public OSThread
         }
 
         return 100;
+#else
+        return INT32_MAX;
+#endif
     }
 };
 

src/configuration.h

@@ -256,6 +256,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MESHTASTIC_EXCLUDE_MQTT 1
 #define MESHTASTIC_EXCLUDE_POWERMON 1
 #define MESHTASTIC_EXCLUDE_I2C 1
+#define MESHTASTIC_EXCLUDE_POWER_FSM 1
 #endif
 
 // Turn off all optional modules
@@ -269,6 +270,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MESHTASTIC_EXCLUDE_RANGETEST 1
 #define MESHTASTIC_EXCLUDE_REMOTEHARDWARE 1
 #define MESHTASTIC_EXCLUDE_STOREFORWARD 1
+#define MESHTASTIC_EXCLUDE_TEXTMESSAGE 1
 #define MESHTASTIC_EXCLUDE_ATAK 1
 #define MESHTASTIC_EXCLUDE_CANNEDMESSAGES 1
 #define MESHTASTIC_EXCLUDE_NEIGHBORINFO 1

src/modules/AdminModule.cpp

@@ -818,8 +818,11 @@ void AdminModule::handleGetDeviceConnectionStatus(const meshtastic_MeshPacket &r
 #endif
 #endif
     conn.has_serial = true; // No serial-less devices
+#if !EXCLUDE_POWER_FSM
     conn.serial.is_connected = powerFSM.getState() == &stateSERIAL;
-    conn.serial.baud = SERIAL_BAUD;
+#else
+    conn.serial.is_connected = powerFSM.getState();
+#endif conn.serial.baud = SERIAL_BAUD;
 
     r.get_device_connection_status_response = conn;
     r.which_payload_variant = meshtastic_AdminMessage_get_device_connection_status_response_tag;

src/modules/Modules.cpp

@@ -106,7 +106,9 @@ void setupModules()
 #if !MESHTASTIC_EXCLUDE_WAYPOINT
         waypointModule = new WaypointModule();
 #endif
+#if !MESHTASTIC_EXCLUDE_TEXTMESSAGE
         textMessageModule = new TextMessageModule();
+#endif
 #if !MESHTASTIC_EXCLUDE_TRACEROUTE
         traceRouteModule = new TraceRouteModule();
 #endif