From db170b551164be99a76e98b9b31aecf57dde2b07 Mon Sep 17 00:00:00 2001
From: ducoterra <git@ducoterra.net>
Date: Sat, 8 Feb 2025 21:23:45 -0500
Subject: [PATCH] ur dad support

---
 .../Feather9x_TX_RX_serial.ino                | 54 +++++++++++++------
 1 file changed, 37 insertions(+), 17 deletions(-)

diff --git a/Feather9x_TX_RX_serial/Feather9x_TX_RX_serial.ino b/Feather9x_TX_RX_serial/Feather9x_TX_RX_serial.ino
index 8eec1b7..b7f5296 100644
--- a/Feather9x_TX_RX_serial/Feather9x_TX_RX_serial.ino
+++ b/Feather9x_TX_RX_serial/Feather9x_TX_RX_serial.ino
@@ -12,6 +12,15 @@
 // Singleton instance of the radio driver
 RH_RF95 rf95(RFM95_CS, RFM95_INT);
 
+int16_t packetnum = 0;
+int16_t max_message_with_packet_num = RH_RF95_MAX_MESSAGE_LEN - 7;
+int incomingByte = 0;
+
+// Serial imput
+const byte numChars = RH_RF95_MAX_MESSAGE_LEN;
+char receivedChars[numChars];
+char name[30];
+
 void setup() {
   pinMode(LED_BUILTIN, OUTPUT);     
   pinMode(RFM95_RST, OUTPUT);
@@ -48,18 +57,29 @@ void setup() {
   // If you are using RFM95/96/97/98 modules which uses the PA_BOOST transmitter pin, then 
   // you can set transmitter powers from 5 to 23 dBm:
   rf95.setTxPower(23, false);
+
+  Serial.println("Please enter your name: ");
+  int ndx = 0;
+  while (Serial.available() == 0) {}
+  while (Serial.available() > 0) {    
+    // read the incoming byte:
+    incomingByte = Serial.read();
+    // say what you got:
+    name[ndx] = incomingByte;
+    ndx++;
+  }
+  char send_name[RH_RF95_MAX_MESSAGE_LEN] = "";
+  strcat(send_name, name);
+  strcat(send_name, " has joined the chat!");
+
+  Serial.print("Welcome ");
+  Serial.println(name);
+  rf95.send((uint8_t *)send_name, RH_RF95_MAX_MESSAGE_LEN);
 }
 
-int16_t packetnum = 0;
-int16_t max_message_with_packet_num = RH_RF95_MAX_MESSAGE_LEN - 7;
-int incomingByte = 0;
-
-// Serial imput
-const byte numChars = RH_RF95_MAX_MESSAGE_LEN;
-char receivedChars[numChars];
-
 void loop() {
   memset(receivedChars, '\0', sizeof(receivedChars));
+
   int dataReceived = 0;
   int ndx = 0;
 
@@ -75,16 +95,17 @@ void loop() {
 
   if (dataReceived) {
     dataReceived = 0;
-    Serial.print("Trying to send: ");
-    Serial.print(receivedChars);
+    Serial.print(name);
+    Serial.print(": ");
+    Serial.println(receivedChars);
+
+    char actual_message[RH_RF95_MAX_MESSAGE_LEN];
+    strcat(actual_message, name);
+    strcat(actual_message, ": ");
+    strcat(actual_message, receivedChars);
 
     // Transmit code
-    // Serial.println("Transmitting..."); // Send a message to rf95_server
-    
-    // Serial.print("Sending "); Serial.println(receivedChars);
-    
-    // Serial.println("Sending..."); delay(10);
-    rf95.send((uint8_t *)receivedChars, RH_RF95_MAX_MESSAGE_LEN);
+    rf95.send((uint8_t *)actual_message, RH_RF95_MAX_MESSAGE_LEN);
 
     // Serial.println("Waiting for packet to complete..."); delay(10);
     rf95.waitPacketSent();
@@ -98,7 +119,6 @@ void loop() {
     if (rf95.recv(buf, &len)) {
       digitalWrite(LED_BUILTIN, HIGH);
       // RH_RF95::printBuffer("Received: ", buf, len);
-      Serial.print("Got: ");
       Serial.println((char*)buf);
       // Serial.print("RSSI: ");
       // Serial.println(rf95.lastRssi(), DEC);