From 7a0a89f1df619987169678b4ab52c7b433b7a31f Mon Sep 17 00:00:00 2001
From: foamyguy <foamyguy@gmail.com>
Date: Wed, 28 May 2025 13:01:57 -0500
Subject: [PATCH] catch the CRC check error and just retry

---
 examples/opt4048_oneshot.py    | 18 +++++++++---------
 examples/opt4048_simpletest.py | 12 ++++++++----
 examples/opt4048_webserial.py  | 20 ++++++++++++--------
 3 files changed, 29 insertions(+), 21 deletions(-)

diff --git a/examples/opt4048_oneshot.py b/examples/opt4048_oneshot.py
index da310d6..47906f3 100644
--- a/examples/opt4048_oneshot.py
+++ b/examples/opt4048_oneshot.py
@@ -34,16 +34,16 @@
         # ok we finished the reading!
         try:
             CIEx, CIEy, lux = sensor.cie
-        except RuntimeError:
-            print("Error reading sensor data")
 
-        print("\nCIE Coordinates:")
-        print(f"CIE x:{CIEx}, y:{CIEy}, lux: {lux}", end=" ")
+            print("\nCIE Coordinates:")
+            print(f"CIE x:{CIEx}, y:{CIEy}, lux: {lux}", end=" ")
 
-        # Calculate and display color temperature
-        color_temp = sensor.calculate_color_temperature(CIEx, CIEy)
-        print(f"Color Temperature: {color_temp} K")
-        print(f"Time since last read: {time.monotonic() - timestamp} sec")
-        timestamp = time.monotonic()
+            # Calculate and display color temperature
+            color_temp = sensor.calculate_color_temperature(CIEx, CIEy)
+            print(f"Color Temperature: {color_temp} K")
+            print(f"Time since last read: {time.monotonic() - timestamp} sec")
+            timestamp = time.monotonic()
+        except RuntimeError:
+            print("Error reading sensor data")
 
         sensor.mode = Mode.AUTO_ONESHOT
diff --git a/examples/opt4048_simpletest.py b/examples/opt4048_simpletest.py
index c9b345a..d8b7903 100644
--- a/examples/opt4048_simpletest.py
+++ b/examples/opt4048_simpletest.py
@@ -22,7 +22,11 @@
 sensor.conversion_time = ConversionTime.TIME_100MS
 sensor.mode = Mode.CONTINUOUS
 while True:
-    x, y, lux = sensor.cie
-    print(f"CIE x:{x}, y:{y}, lux: {lux}", end=" ")
-    print(f"K: {sensor.calculate_color_temperature(x,y)}")
-    time.sleep(1)
+    try:
+        x, y, lux = sensor.cie
+        print(f"CIE x:{x}, y:{y}, lux: {lux}", end=" ")
+        print(f"K: {sensor.calculate_color_temperature(x,y)}")
+        time.sleep(1)
+    except RuntimeError:
+        # CRC check failed while reading data
+        pass
diff --git a/examples/opt4048_webserial.py b/examples/opt4048_webserial.py
index 841e0b7..a1ba98f 100644
--- a/examples/opt4048_webserial.py
+++ b/examples/opt4048_webserial.py
@@ -31,11 +31,15 @@
 last_read_time = 0
 while True:
     if time.monotonic() > last_read_time + READ_INTERVAL:
-        last_read_time = time.monotonic()
-        x, y, lux = sensor.cie
-        print("---CIE Data---")
-        print(f"CIE x: {x}")
-        print(f"CIE y: {y}")
-        print(f"Lux: {lux}")
-        print(f"Color Temperature: {sensor.calculate_color_temperature(x,y)} K")
-        print("-------------")
+        try:
+            last_read_time = time.monotonic()
+            x, y, lux = sensor.cie
+            print("---CIE Data---")
+            print(f"CIE x: {x}")
+            print(f"CIE y: {y}")
+            print(f"Lux: {lux}")
+            print(f"Color Temperature: {sensor.calculate_color_temperature(x,y)} K")
+            print("-------------")
+        except RuntimeError:
+            # CRC check failed while reading data
+            pass