add more logs

diff --git a/src/co2-sensor.c b/src/co2-sensor.c
index 5c58667..dba015a 100644 (file)
--- a/src/co2-sensor.c
+++ b/src/co2-sensor.c
@@ -117,8 +117,10 @@ unsigned int co2_sensor_voltage_to_ppm(double voltage)
                return 400;
 
        ppm = pow(10, (voltage - co2_zp_volt)/slope_value + log400);
-//     if (ppm > 10000)
-//             ppm = 10000;
+       if (ppm > 10000) {
+               _W("ppm value[%lf] is too large - limiting to 10000ppm", ppm);
+               ppm = 10000;
+       }
 #endif /* USE_EXAMPLE_CODE */
 
        return (unsigned int)ppm;