Consolidate examples and clean up interrupt test

- Remove standalone SPI example and integrate SPI support into main test
- Add commented SPI initialization option in comprehensive test
- Remove debug print statements from interrupt test example
- Implement non-blocking dataReady() operation in main test loop
- Clean up output formatting for production use

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

examples/bmp5xx_interrupt_test/bmp5xx_interrupt_test.ino

@@ -82,14 +82,8 @@ void loop() {
     // Clear the interrupt flag
     dataReady = false;
     
-    Serial.print(F("INTERRUPT! Pin state: "));
-    Serial.print(digitalRead(BMP5XX_IRQ_PIN) ? F("HIGH") : F("LOW"));
-    Serial.print(F(" - "));
-    
     // Check if data is actually ready using library function
     if (bmp.dataReady()) {
-      Serial.println(F("Data ready confirmed"));
-      
       // Read the sensor data
       if (bmp.performReading()) {
         Serial.print(F("  Temperature: "));

examples/bmp5xx_spi_test/bmp5xx_spi_test.ino

@@ -1,87 +0,0 @@
-/*!
- * @file bmp5xx_spi_test.ino
- *
- * This is a test sketch for the BMP5xx pressure and temperature sensor using SPI.
- * It demonstrates basic SPI communication and sensor readings.
- * 
- * Adafruit invests time and resources providing this open source code,
- * please support Adafruit and open-source hardware by purchasing
- * products from Adafruit!
- *
- * Written by Limor "ladyada" Fried for Adafruit Industries.
- * BSD license, all text above must be included in any redistribution
- */
-
-#include <SPI.h>
-#include <Adafruit_Sensor.h>
-#include "Adafruit_BMP5xx.h"
-
-#define BMP5XX_CS_PIN 10
-#define SEALEVELPRESSURE_HPA (1013.25)
-
-Adafruit_BMP5xx bmp; // Create BMP5xx object
-
-void setup() {
-  Serial.begin(115200);
-  while (!Serial) delay(10);  // Wait for Serial Monitor to open
-  
-  Serial.println(F("Adafruit BMP5xx SPI Test!"));
-
-  // Try to initialize the sensor using SPI
-  // bmp.begin(CS_PIN, &SPI) - CS pin and SPI peripheral
-  if (!bmp.begin(BMP5XX_CS_PIN, &SPI)) {
-    Serial.println(F("Could not find a valid BMP5xx sensor, check wiring or "
-                     "SPI connections!"));
-    while (1) delay(10);
-  }
-
-  Serial.println(F("BMP5xx found via SPI!"));
-  Serial.print(F("Using CS pin: "));
-  Serial.println(BMP5XX_CS_PIN);
-  Serial.println();
-
-  // Set up basic sensor configuration
-  Serial.println(F("=== Configuring Sensor ==="));
-  
-  Serial.println(F("Setting temperature oversampling to 2X..."));
-  bmp.setTemperatureOversampling(BMP5XX_OVERSAMPLING_2X);
-
-  Serial.println(F("Setting pressure oversampling to 16X..."));
-  bmp.setPressureOversampling(BMP5XX_OVERSAMPLING_16X);
-
-  Serial.println(F("Setting IIR filter to coefficient 3..."));
-  bmp.setIIRFilterCoeff(BMP5XX_IIR_FILTER_COEFF_3);
-
-  Serial.println(F("Setting output data rate to 50 Hz..."));
-  bmp.setOutputDataRate(BMP5XX_ODR_50_HZ);
-
-  Serial.println(F("Setting power mode to normal..."));
-  bmp.setPowerMode(BMP5XX_POWERMODE_NORMAL);
-
-  Serial.println();
-  Serial.println(F("=== Starting Continuous Readings ==="));
-  Serial.println();
-}
-
-void loop() {
-  if (!bmp.performReading()) {
-    Serial.println(F("Failed to perform reading"));
-    return;
-  }
-  
-  Serial.print(F("Temperature = "));
-  Serial.print(bmp.temperature);
-  Serial.println(F(" °C"));
-
-  Serial.print(F("Pressure = "));
-  Serial.print(bmp.pressure);
-  Serial.println(F(" hPa"));
-
-  Serial.print(F("Approx. Altitude = "));
-  Serial.print(bmp.readAltitude(SEALEVELPRESSURE_HPA));
-  Serial.println(F(" m"));
-
-  Serial.println(F("---"));
-  
-  delay(1000); // Read every second
-}

examples/bmp5xx_test/bmp5xx_test.ino

@@ -13,11 +13,15 @@
  */
 
 #include <Wire.h>
+#include <SPI.h>
 #include <Adafruit_Sensor.h>
 #include "Adafruit_BMP5xx.h"
 
 #define SEALEVELPRESSURE_HPA (1013.25)
 
+// For SPI mode, uncomment the next line and comment out the I2C begin() call in setup()
+// #define BMP5XX_CS_PIN 10
+
 Adafruit_BMP5xx bmp; // Create BMP5xx object
 bmp5xx_powermode_t desiredMode = BMP5XX_POWERMODE_NORMAL; // Cache desired power mode
 
@@ -27,11 +31,12 @@ void setup() {
   
   Serial.println(F("Adafruit BMP5xx Comprehensive Test!"));
 
-  // Try to initialize the sensor  
-  // bmp.begin(address, &Wire) - address defaults to 0x46, Wire peripheral defaults to &Wire
+  // Try to initialize the sensor
+  // For I2C mode (default):
   if (!bmp.begin(BMP5XX_ALTERNATIVE_ADDRESS, &Wire)) {
-    Serial.println(F("Could not find a valid BMP5xx sensor, check wiring or "
-                     "try a different address!"));
+  // For SPI mode (uncomment the line below and comment out the I2C line above):
+  // if (!bmp.begin(BMP5XX_CS_PIN, &SPI)) {
+    Serial.println(F("Could not find a valid BMP5xx sensor, check wiring!"));
     while (1) delay(10);
   }
 
@@ -215,7 +220,6 @@ void setup() {
 void loop() {
   // Check if new data is ready before reading
   if (!bmp.dataReady()) {
-    delay(10);
     return;
   }