From 4d2cb45f9f8e0192ba29ec53c8d60230245caa81 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20G=C3=B6ttgens?= <tgoettgens@gmail.com>
Date: Wed, 5 Oct 2022 11:39:50 +0200
Subject: [PATCH] wire in part 1 of serial mode... select if you want textmsg
 or own portnum via config.

---
 src/modules/SerialModule.cpp | 25 +++++++++++++++----------
 src/modules/SerialModule.h   | 23 +++++++++++++++++------
 2 files changed, 32 insertions(+), 16 deletions(-)

diff --git a/src/modules/SerialModule.cpp b/src/modules/SerialModule.cpp
index 7f07c1bb..59f489d5 100644
--- a/src/modules/SerialModule.cpp
+++ b/src/modules/SerialModule.cpp
@@ -27,8 +27,7 @@
                 TXD 15
         3) Set timeout to the amount of time to wait before we consider
            your packet as "done".
-        4) (Optional) In SerialModule.h set the port to PortNum_TEXT_MESSAGE_APP if you want to
-           send messages to/from the general text message channel.
+        4) not applicable any more
         5) Connect to your device over the serial interface at 38400 8N1.
         6) Send a packet up to 240 bytes in length. This will get relayed over the mesh network.
         7) (Optional) Set echo to 1 and any message you send out will be echoed back
@@ -61,10 +60,20 @@ SerialModule::SerialModule() : concurrency::OSThread("SerialModule") {}
 
 char serialStringChar[Constants_DATA_PAYLOAD_LEN];
 
-SerialModuleRadio::SerialModuleRadio() : SinglePortModule("SerialModuleRadio", PortNum_SERIAL_APP)
+SerialModuleRadio::SerialModuleRadio() : MeshModule("SerialModuleRadio")
 {
     // restrict to the admin channel for rx
     boundChannel = Channels::serialChannel;
+
+    switch (moduleConfig.serial.mode)
+    {
+        case ModuleConfig_SerialConfig_Serial_Mode_TEXTMSG:
+            ourPortNum = PortNum_TEXT_MESSAGE_APP;
+            break;
+        default:
+            ourPortNum = PortNum_SERIAL_APP;
+            break;
+    }
 }
 
 int32_t SerialModule::runOnce()
@@ -139,7 +148,9 @@ int32_t SerialModule::runOnce()
                 baud = 921600;
             }
 
-#ifdef ARCH_ESP32
+#ifdef ARCH_ESP32 
+            Serial2.setRxBufferSize(RX_BUFFER);
+
             if (moduleConfig.serial.rxd && moduleConfig.serial.txd) {
                 Serial2.begin(baud, SERIAL_8N1, moduleConfig.serial.rxd, moduleConfig.serial.txd);
 
@@ -159,10 +170,6 @@ int32_t SerialModule::runOnce()
                 Serial2.setTimeout(TIMEOUT); // Number of MS to wait to set the timeout for the string.
             }
 
-#ifdef ARCH_ESP32 
-            Serial2.setRxBufferSize(RX_BUFFER);
-#endif
-
             serialModuleRadio = new SerialModuleRadio();
 
             firstTime = 0;
@@ -244,8 +251,6 @@ ProcessMessage SerialModuleRadio::handleReceived(const MeshPacket &mp)
 
             if (moduleConfig.serial.mode == ModuleConfig_SerialConfig_Serial_Mode_DEFAULT ||
                 moduleConfig.serial.mode == ModuleConfig_SerialConfig_Serial_Mode_SIMPLE) {
-                // DEBUG_MSG("* * Message came from the mesh\n");
-                // Serial2.println("* * Message came from the mesh");
                 Serial2.printf("%s", p.payload.bytes);
 
             } else if (moduleConfig.serial.mode == ModuleConfig_SerialConfig_Serial_Mode_PROTO) {
diff --git a/src/modules/SerialModule.h b/src/modules/SerialModule.h
index f92b1342..e93cb595 100644
--- a/src/modules/SerialModule.h
+++ b/src/modules/SerialModule.h
@@ -4,6 +4,8 @@
 #include "concurrency/OSThread.h"
 #include "configuration.h"
 #include <Arduino.h>
+#include "MeshModule.h"
+#include "Router.h"
 #include <functional>
 
 class SerialModule : private concurrency::OSThread
@@ -23,16 +25,11 @@ extern SerialModule *serialModule;
  * Radio interface for SerialModule
  *
  */
-class SerialModuleRadio : public SinglePortModule
+class SerialModuleRadio : public MeshModule
 {
     uint32_t lastRxID = 0;
 
   public:
-    /*
-        TODO: Switch this to PortNum_SERIAL_APP once the change is able to be merged back here
-              from the main code.
-    */
-
     SerialModuleRadio();
 
     /**
@@ -48,6 +45,20 @@ class SerialModuleRadio : public SinglePortModule
     @return ProcessMessage::STOP if you've guaranteed you've handled this message and no other handlers should be considered for it
     */
     virtual ProcessMessage handleReceived(const MeshPacket &mp) override;
+
+    PortNum ourPortNum;
+
+    virtual bool wantPacket(const MeshPacket *p) override { return p->decoded.portnum == ourPortNum; }
+
+    MeshPacket *allocDataPacket()
+    {
+        // Update our local node info with our position (even if we don't decide to update anyone else)
+        MeshPacket *p = router->allocForSending();
+        p->decoded.portnum = ourPortNum;
+
+        return p;
+    }
+
 };
 
 extern SerialModuleRadio *serialModuleRadio;