From 9a43f4a530351423622dd68ebaa33fc61e810480 Mon Sep 17 00:00:00 2001
From: ducoterra <git@ducoterra.net>
Date: Tue, 4 Mar 2025 22:07:03 -0500
Subject: [PATCH] it works now

---
 Feather9x_debug_demo/Feather9x_debug_demo.ino | 56 ++++++++++---------
 1 file changed, 31 insertions(+), 25 deletions(-)

diff --git a/Feather9x_debug_demo/Feather9x_debug_demo.ino b/Feather9x_debug_demo/Feather9x_debug_demo.ino
index a3e3a67..30ecc61 100644
--- a/Feather9x_debug_demo/Feather9x_debug_demo.ino
+++ b/Feather9x_debug_demo/Feather9x_debug_demo.ino
@@ -3,13 +3,17 @@
 #include <string>
 
 /* for feather m0 */
-#define RFM95_CS 8
-#define RFM95_RST 4
-#define RFM95_INT 3
+//#define RFM95_CS 8
+const int RFM95_CS = 8;
+//#define RFM95_RST 4
+const int RFM95_RST = 4;
+//#define RFM95_INT 3
+const int RFM95_INT = 3;
+
 
 // Change to 434.0 or other frequency, must match RX's freq!
-#define RF95_FREQ 915.0
-
+//#define RF95_FREQ 915.0
+const float RF95_FREQ = 915.0;
 // Lower bandwidth means longer distance but lower data rate
 // Valid values are:
 // 0-7800khz: 7.8
@@ -22,17 +26,18 @@
 // 62501-12500 125.0 DEFAULT
 // 12501-250000 250.0
 // >250000 500.0
-#define RF95_BANDWIDTH 62.5
+// #define RF95_BANDWIDTH 125
+const long RF95_BANDWIDTH = 125;
 
 // Higher spread factor means longer distance
 // Valid values are 6-12
-#define RF95_SPREAD_FACTOR 12
+// #define RF95_SPREAD_FACTOR 6
+const uint8_t RF95_SPREAD_FACTOR = 7;
 
 // Higher TX power means longer distance
 // Valid values are 5-23
-#define RF95_TX_POWER 23
-
-// Make sure you run setLowDatarate() when going for long distance
+// #define RF95_TX_POWER 23
+const int8_t RF95_TX_POWER = 23;
 
 // Singleton instance of the radio driver
 RH_RF95 rf95(RFM95_CS, RFM95_INT);
@@ -68,19 +73,19 @@ void setup() {
   Serial.print("Set Freq to: ");
   Serial.println(RF95_FREQ);
 
-  // Set the signal bandwidth
-  rf95.setSignalBandwidth(RF95_BANDWIDTH);
-  Serial.print("Set bandwidth to: ");
-  Serial.println(RF95_BANDWIDTH);
+  // //Set the signal bandwidth
+  // rf95.setSignalBandwidth(RF95_BANDWIDTH);
+  // Serial.print("Set bandwidth to: ");
+  // Serial.println(RF95_BANDWIDTH);
 
-  // Set the signal bandwidth
-  rf95.setSpreadingFactor(RF95_SPREAD_FACTOR);
-  Serial.print("Set spreading factor to: ");
-  Serial.println(RF95_SPREAD_FACTOR);
+  // // Set the spreading factor
+  // rf95.setSpreadingFactor(RF95_SPREAD_FACTOR);
+  // Serial.print("Set spreading factor to: ");
+  // Serial.println(RF95_SPREAD_FACTOR);
 
   // Set low transmission rate
-  rf95.setLowDatarate();
-  Serial.println("Set low data rate");
+  // rf95.setLowDatarate();
+  // Serial.println("Set low data rate");
 
   // The default transmitter power is 13dBm, using PA_BOOST.
   // If you are using RFM95/96/97/98 modules which uses the PA_BOOST transmitter pin, then
@@ -108,7 +113,7 @@ void loop() {
 
       Serial.println("Welcome " + chat_name);
       digitalWrite(LED_BUILTIN, HIGH);
-      rf95.send((uint8_t *)reinterpret_cast<const uint8_t *>(&intro_message), RH_RF95_MAX_MESSAGE_LEN);
+      rf95.send((uint8_t *)(intro_message.c_str()), RH_RF95_MAX_MESSAGE_LEN);
       rf95.waitPacketSent();
       digitalWrite(LED_BUILTIN, LOW);
     }
@@ -120,12 +125,13 @@ void loop() {
       String send_message = chat_name + ": " + chat_message;
 
       Serial.println(send_message);
-      rf95.send((uint8_t *)reinterpret_cast<const uint8_t *>(&send_message), RH_RF95_MAX_MESSAGE_LEN);
+      rf95.send((uint8_t *)(send_message.c_str()), RH_RF95_MAX_MESSAGE_LEN);
       rf95.waitPacketSent();
       digitalWrite(LED_BUILTIN, LOW);
     }
   }
   // Receiver code
+  delay(100);
   if (rf95.available()) {
     digitalWrite(LED_BUILTIN, HIGH);
     // Should be a message for us now
@@ -133,10 +139,10 @@ void loop() {
     uint8_t len = sizeof(buf);
 
     if (rf95.recv(buf, &len)) {
-      // RH_RF95::printBuffer("Received: ", buf, len);
+      RH_RF95::printBuffer("Received: ", buf, len);
       Serial.println((char *)buf);
-      // Serial.print("RSSI: ");
-      // Serial.println(rf95.lastRssi(), DEC);
+      Serial.print("RSSI: ");
+      Serial.println(rf95.lastRssi(), DEC);
       digitalWrite(LED_BUILTIN, LOW);
     }
   }