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| author | dakkar <dakkar@thenautilus.net> | 2022-03-27 13:23:22 +0100 |
|---|---|---|
| committer | dakkar <dakkar@thenautilus.net> | 2022-03-27 13:24:47 +0100 |
| commit | c58f744a44dcf6b29e94db61f964ce445137c332 (patch) | |
| tree | 29a695c1f107dd2c6d2a2fc572a184d57ef058d9 | |
| parent | low power display (diff) | |
| download | env-sensor-c58f744a44dcf6b29e94db61f964ce445137c332.tar.gz env-sensor-c58f744a44dcf6b29e94db61f964ce445137c332.tar.bz2 env-sensor-c58f744a44dcf6b29e94db61f964ce445137c332.zip | |
don't show negative particle counts
arithmetic with floats is always annoying
| -rw-r--r-- | display.h | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -52,9 +52,9 @@ public: // PM measurements include particles "up to" that size, but we // want to display the values for *that* size display.print(" 1.0 "); display.println(data->pm.mc_1p0,1); - display.print(" 2.5 "); display.println(data->pm.mc_2p5 - data->pm.mc_1p0,1); - display.print(" 4.0 "); display.println(data->pm.mc_4p0 - data->pm.mc_2p5,1); - display.print("10.0 "); display.println(data->pm.mc_10p0 - data->pm.mc_4p0,1); + display.print(" 2.5 "); display.println(max(0.0f,data->pm.mc_2p5 - data->pm.mc_1p0),1); + display.print(" 4.0 "); display.println(max(0.0f,data->pm.mc_4p0 - data->pm.mc_2p5),1); + display.print("10.0 "); display.println(max(0.0f,data->pm.mc_10p0 - data->pm.mc_4p0),1); display.setCursor(120,30); display.print("Batt "); display.print(data->batteryVoltage); |