spi multi-device example

Author: FoamyGuy

docs/examples.rst

@@ -6,3 +6,11 @@ Ensure your device works with this simple test.
 .. literalinclude:: ../examples/bmp5xx_simpletest.py
     :caption: examples/bmp5xx_simpletest.py
     :linenos:
+
+.. literalinclude:: ../examples/bmp5xx_spi_simpletest.py
+    :caption: examples/bmp5xx_spi_simpletest.py
+    :linenos:
+
+.. literalinclude:: ../examples/bmp5xx_spi_multi_device.py
+    :caption: examples/bmp5xx_spi_multi_device.py
+    :linenos:

examples/bmp5xx_spi_multi_device.py

@@ -0,0 +1,44 @@
+# SPDX-FileCopyrightText: Copyright (c) 2025 Tim Cocks for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+import time
+
+import board
+from digitalio import DigitalInOut, Direction
+
+from adafruit_bmp5xx import BMP5XX
+
+SEALEVELPRESSURE_HPA = 1013.25
+
+# SPI setup
+spi = board.SPI()
+
+# first sensor setup
+cs1 = DigitalInOut(board.D10)
+cs1.direction = Direction.OUTPUT
+bmp1 = BMP5XX(spi=spi, cs=cs1)
+
+# second sensor setup, different CS pin, same SPI bus
+cs2 = DigitalInOut(board.D11)
+cs2.direction = Direction.OUTPUT
+bmp2 = BMP5XX(spi=spi, cs=cs2)
+
+bmp1.sea_level_pressure = SEALEVELPRESSURE_HPA
+bmp2.sea_level_pressure = SEALEVELPRESSURE_HPA
+
+while True:
+    if bmp1.data_ready:
+        print(
+            f"BMP1 temp F: {bmp1.temperature * (9 / 5) + 32} "
+            f"pressure: {bmp1.pressure} hPa "
+            f"Approx altitude: {bmp1.altitude} m"
+        )
+
+    if bmp2.data_ready:
+        print(
+            f"BMP2 temp F: {bmp2.temperature * (9 / 5) + 32} "
+            f"pressure: {bmp2.pressure} hPa "
+            f"Approx altitude: {bmp2.altitude} m"
+        )
+    print("-----")
+    time.sleep(1)