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Make sure dewpoint calculations are correct

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This commit is contained in:
Leon Krieg
2024-09-19 20:21:18 +02:00
parent 1f01f92291
commit 560715fd0b
1 changed files with 9 additions and 4 deletions
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13
src/main.c
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@@ -12,6 +12,7 @@
// TODO: Check thermistor conversion results /w thermometer. // TODO: Check thermistor conversion results /w thermometer.
// TODO: Implement optional CRC8 sensor measurement check. // TODO: Implement optional CRC8 sensor measurement check.
// TODO: Use 18.432MHz quarz crystal, burn required fuses. // TODO: Use 18.432MHz quarz crystal, burn required fuses.
// TODO: Make sure nothing breaks with negative temperatures.
// TODO: Write an improved command parser (low priority). // TODO: Write an improved command parser (low priority).
// TODO: Proper error handling and recovery (after testing). // TODO: Proper error handling and recovery (after testing).
@@ -110,7 +111,7 @@ static int Init(void)
static void Update(void) static void Update(void)
{ {
float t[6], rh[3]; float t[6], rh[3], dp[3];
word raw; word raw;
Info("Reading sensor values..."); Info("Reading sensor values...");
@@ -133,9 +134,13 @@ static void Update(void)
raw = I2C_ADS1115_ReadRaw(ADS03); raw = I2C_ADS1115_ReadRaw(ADS03);
t[5] = SteinhartHart(Resistance(raw)); t[5] = SteinhartHart(Resistance(raw));
Info("T1=%.2fC, RH1=%.2f%%, NT1=%.2fC", t[0], rh[0], t[3]); dp[0] = Dewp(t[0], rh[0]);
Info("T2=%.2fC, RH2=%.2f%%, NT2=%.2fC", t[1], rh[1], t[4]); dp[1] = Dewp(t[1], rh[1]);
Info("T3=%.2fC, RH3=%.2f%%, NT3=%.2fC", t[2], rh[2], t[5]); dp[2] = Dewp(t[2], rh[2]);
Info("T1=%.2fC, RH1=%.2f%%, NT1=%.2fC, DEW1=%.2fC", t[0], rh[0], t[3], dp[0]);
Info("T2=%.2fC, RH2=%.2f%%, NT2=%.2fC, DEW2=%.2fC", t[1], rh[1], t[4], dp[1]);
Info("T3=%.2fC, RH3=%.2f%%, NT3=%.2fC, DEW3=%.2fC", t[2], rh[2], t[5], dp[2]);
// TODO: Implement state machine // TODO: Implement state machine
// TODO: Handle serial commands // TODO: Handle serial commands