moved the gps baud rate magic number into header as a define.

inc/board_config.h

@@ -0,0 +1,41 @@
+#ifndef BOARD_CONFIG_H
+#define BOARD_CONFIG_H
+
+//Un-comment a line below for the target board/uC.
+#define FEATHER_RFM95
+//#define FEATHER_RFM96
+
+//Only applied if defined
+    #ifdef FEATHER_RFM9X
+        //Define Serial params for debuging
+        #define SERIAL_BUADRATE 115200
+
+        // DISPLAY CONFIGURATION (ST7789)
+        #define TFT_CS 5                     // Chip select pin for the display
+        #define TFT_RST 9                    // Reset pin for the display
+        #define TFT_DC 6                     // Data/Command pin for the display
+        #define TFT_X 240                    // Number of pixes in X axis.
+        #define TFT_Y 280                    // Number of pixes in Y axis.
+
+        // LED RING CONFIGURATION (WS2812)
+        #define NUM_LEDS 24                  // Number of LEDs in the ring
+        #define DATA_PIN 12                  // Pin for LED data
+
+        // GPS CONFIGURATION (BN-220)
+        #define GPS_TX_PIN 10                // GPS TX pin connected to Arduino RX
+        #define GPS_RX_PIN 11                // GPS RX pin connected to Arduino TX
+        #define GPS_BUADRATE 9600            // GPS serial baud rate.
+
+        // Radio defines 
+        #define RFM95_CS    8
+        #define RFM95_INT   7
+        #define RFM95_RST   4
+        #define RF95_FREQ 915.0
+        #define RF95_MAX_DB 23
+        #define RF95_MIN_DB 5
+        #define RF95_TIMEOUT 250
+        #define RF95_BUF_SZ 32
+    #endif //FEATHER_RFM9X
+
+
+#endif //BOARD_CONFIG_H

multi-tracker.ino

@@ -0,0 +1 @@
+./src/main.cpp

src/CMakeLists.txt

@@ -1,3 +1,4 @@
 add_executable(main
     main.c    
 )
+add_subdirectory(Radio)

src/Radio/CMakeLists.txt

@@ -0,0 +1,7 @@
+add_library(Radio STATIC
+    Radio.c
+)
+
+target_include_directories(Radio PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}
+)

src/Radio/Radio.cpp

@@ -0,0 +1,68 @@
+/*
+ * Author: username
+ * Date: 2024 
+ * filename: Radio.c
+ * description: module_purpose
+ */
+
+#include "Radio.h"
+
+void Radio_setup(void) {
+    pinMode(RFM95_RST, OUTPUT);
+    digitalWrite(RFM95_RST, HIGH);
+
+    while(!rf95.init()){}
+    Serial.println("radio: Initialized");
+    
+    if(rf95.setFrequency(RF95_FREQ)) {
+        Serial.println("radio: Error could not set frequency");
+        while(true){} //Loop forever
+    }
+    Serial.print("radio: Frequency = ");
+    Serial.println(RF95_FREQ);
+
+    rf95.setTxPower(RF95_MIN_DB, false);
+}
+
+
+void Radio_reset(void) {
+  digitalWrite(RFM95_RST, LOW);
+  delay(10);
+  digitalWrite(RFM95_RST, HIGH);
+  delay(10);
+}
+
+
+int Radio_SendData() {
+    int8_t tx_power = RF95_MIN_DB;   
+    uint8_t received_id = 0;
+
+    //Set the radio output to lowest power.
+    rf95.setTxPower(tx_power, false);
+
+    //Set the radio into TX mode.
+    rf95.setModeTx();
+
+    //Try transmitting data
+    rf95.send(node.id, 1);
+    rf95.waitPacketSent();
+
+    //Wait for ACK or Radio Msg. (Timeout Should be included).
+    //On timeout increase the transmit power and re-attempt.
+    if(!rf95.waitAvailbleTimeout(RF95_TIMEOUT)) {
+        if(rf95.recv(reciver_buffer, RF95_BUF_SZ)) {
+        
+        }
+        else {
+            //Failed to receive the message.
+        }
+    }
+    else {
+        //No reply of any kind.
+    }
+
+    //Set the radio mode to idle.
+    rf95.setModeIdle();
+}
+
+

src/Radio/Radio.h

@@ -0,0 +1,30 @@
+/*
+ * Author: username
+ * Date: 2024
+ * filename: RADIO.h
+ * description: module_purpose
+ */
+
+#ifndef RADIO
+#define RADIO
+
+
+/**
+ * @brief Preforms radio setup using defined values.
+ */
+void Radio_setup(void);
+
+/**
+ * @brief Resets the radio module.
+ */
+void Radio_reset(void);
+
+
+/**
+ * @brief Sends data to any receiving radios.
+ */
+int Radio_SendData();
+
+
+
+#endif //RADIO   

src/main.c

@@ -1,7 +0,0 @@
-#include "stdio.h"
-
-int main(int argc, char **argv)
-{
-    printf("Hello!\n");
-    return 0;
-}

src/main.cpp

@@ -9,37 +9,18 @@
 #include <TinyGPS++.h>               // Library to handle GPS data
 #include <SoftwareSerial.h>          // Software serial for GPS communication
 #include <RH_RF95.h>                // 
+//#include "Radio/Radio.h"
 
+#include "inc/board_config.h"
+
+//GLOBAL VARS/OBJS
 
 // MAGNETOMETER (LIS2MDL) CONFIGURATION
 Adafruit_LIS2MDL lis2mdl = Adafruit_LIS2MDL(12345);  // Create magnetometer object
-
-// DISPLAY CONFIGURATION (ST7789)
-#define TFT_CS 5                     // Chip select pin for the display
-#define TFT_RST 9                    // Reset pin for the display
-#define TFT_DC 6                     // Data/Command pin for the display
 Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);  // Initialize display
-
-// LED RING CONFIGURATION (WS2812)
-#define NUM_LEDS 24                  // Number of LEDs in the ring
-#define DATA_PIN 12                  // Pin for LED data
 CRGB leds[NUM_LEDS];                 // Array to hold LED colors
-
-// GPS CONFIGURATION (BN-220)
-#define GPS_TX_PIN 10                // GPS TX pin connected to Arduino RX
-#define GPS_RX_PIN 11                // GPS RX pin connected to Arduino TX
 SoftwareSerial gpsSerial(GPS_RX_PIN, GPS_TX_PIN);  // Software serial for GPS
 TinyGPSPlus gps;                     // TinyGPS++ object to process GPS data
-
-// Radio defines 
-#define RFM95_CS    8
-#define RFM95_INT   7
-#define RFM95_RST   4
-#define RF95_FREQ 915.0
-#define RF95_MAX_DB 23
-#define RF95_MIN_DB 5
-#define RF95_TIMEOUT 250
-#define RF95_BUF_SZ 32
 RH_RF95 rf95(RFM95_CS, RMF95_INT);  // Radio instance.
 
 
@@ -61,7 +42,6 @@ NodeId node = {
 };
 uint8_t reciver_buffer[RF95_BUF_SZ];
 
-
 void Radio_setup(void) {
     pinMode(RFM95_RST, OUTPUT);
     digitalWrite(RFM95_RST, HIGH);
@@ -79,6 +59,7 @@ void Radio_setup(void) {
     rf95.setTxPower(RF95_MIN_DB, false);
 }
 
+
 void Radio_reset(void) {
   digitalWrite(RFM95_RST, LOW);
   delay(10);
@@ -119,6 +100,8 @@ int Radio_SendData() {
     rf95.setModeIdle();
 }
 
+
+
 int Radio_ReceiveData() {
     //Set radio into RX mode.
     rf95.setModeRx();
@@ -134,10 +117,10 @@ int Radio_ReceiveData() {
 
 void setup(void) {
   // Initialize Serial Communication for debugging
-  Serial.begin(115200);
+  Serial.begin(SERIAL_BUADRATE);
 
   // Display Setup
-  tft.init(240, 280);                // Initialize the display with a resolution of 240x280 pixels
+  tft.init(TFT_X, TFT_Y);                // Initialize the display with a resolution of 240x280 pixels
   tft.fillScreen(ST77XX_BLACK);      // Set the screen background to black
 
   // Magnetometer Setup
@@ -147,10 +130,10 @@ void setup(void) {
   }
 
   // LED Ring Setup
-  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);  // Initialize the LED ring
+  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
 
   // GPS Setup
-  gpsSerial.begin(9600);             // Start GPS communication at 9600 baud rate
+  gpsSerial.begin(GPS_BUADRATE); 
 }
 
 void loop() {

tests/CMakeLists.txt

@@ -1,6 +1,7 @@
 project(Tests)
 
 # TEST_DIRS
+add_subdirectory(Radio)
 add_subdirectory(simple_test)
 
 # TEST_RUNNER
@@ -12,5 +13,6 @@ target_link_libraries(AllTests
     ${CPPUTEST_LIBRARIES}/libCppUTest.a
     ${CPPUTEST_LIBRARIES}/libCppUTestExt.a
     # TEST_LINKS
+	Radio
     simple_test
 )

tests/Radio/CMakeLists.txt

@@ -0,0 +1,10 @@
+# TEST_RUNNER
+add_library(test_Radio
+    test_Radio.cpp    
+)
+
+target_link_libraries(test_Radio
+    ${CPPUTEST_LIBRARIES}/libCppUTest.a
+    ${CPPUTEST_LIBRARIES}/libCppUTestExt.a
+    Radio
+)

tests/Radio/test_Radio.cpp

@@ -0,0 +1,38 @@
+/*
+ * Author: username
+ * Date: todays_date 
+ * filename: test_Radio.c
+ * description: module_purpose
+ */
+
+#include "CppUTest/CommandLineTestRunner.h"
+
+extern "C" 
+{
+#include "Radio.h"
+}
+
+TEST_GROUP(FirstTestGroup)
+{
+    void setup()
+    {
+
+    }
+    void teardown()
+    {
+
+    }
+};
+
+TEST(FirstTestGroup, FirstTest)
+{
+   FAIL("Fail me!");
+}
+
+TEST(FirstTestGroup, SecondTest)
+{
+   STRCMP_EQUAL("hello", "world");
+   LONGS_EQUAL(1, 2);
+   CHECK(false);
+}
+