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Science 2022 - Polling Sensors - Temperature and RH #425

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Science 2022 - Polling Sensors - Temperature and RH #425

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1e7d50a
Create PollingSensors.h
jahnavithota2011 Feb 7, 2022
77ae7e2
Update PollingSensors.h
jahnavithota2011 Feb 7, 2022
4667f7f
Created DHT22.h and DHT22.cpp driver files for Temp/RH sensor
Stanlist Feb 18, 2022
b98fd7d
Replaces previous code with premade DHT library code for mbed, change…
Stanlist Mar 13, 2022
0a24a27
Clean-up of DHT22 driver code, creates DHT22 test app
Stanlist Jun 3, 2022
e8b2495
Fix CMake configuration for DHT22 sensor driver
Stanlist Jun 3, 2022
e765854
Fixes to testing app, streamlining DHT header and cpp file
Stanlist Jun 24, 2022
e0cacfa
Streamlines sensor driver code, comments out debug print statements
Stanlist Jul 1, 2022
fb3d53f
Merge branch 'master' into stanley/DHT22-sensor
Stanlist Jul 10, 2022
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Streamlines sensor driver code, comments out debug print statements
  • Loading branch information
@Stanlist
Stanlist committed Jul 1, 2022
commit e0cacfaa331bb1b6c68f8e7e18571ed035809ccb
10 changes: 5 additions & 5 deletions libs/sensors/src/DHT22.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ bool DHT::update() {
// Only asks for data if more than 2 seconds has lapsed since last call
if (!_firsttime) {
if (int(currentTime - _lastReadTime) < 2) {
printf("Too Fast!");
// printf("Too Fast!");
return false;
}
} else {
Expand All @@ -72,7 +72,7 @@ bool DHT::update() {

do {
if (retryCount > 125) {
printf("Bus Busy");
// printf("Bus Busy");
return false;
}
retryCount++;
Expand All @@ -91,7 +91,7 @@ bool DHT::update() {
retryCount = 0;
do {
if (retryCount > 40) {
printf("No Response from sensor");
// printf("No Response from sensor");
return false;
}
retryCount++;
Expand All @@ -107,7 +107,7 @@ bool DHT::update() {
retryCount = 0;
do {
if (retryCount > 75) {
printf("Data Timeout");
// printf("Data Timeout");
return false;
}
retryCount++;
Expand Down Expand Up @@ -145,7 +145,7 @@ bool DHT::update() {
_lastHumidity = CalcHumidity();

} else {
printf("Checksum failed");
// printf("Checksum failed");
return false;
}

Expand Down
2 changes: 0 additions & 2 deletions test-apps/test-temp-RH/src/main.cpp
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Expand Up @@ -6,8 +6,6 @@
int main() {
Sensor::DHT sensor(D7);
while (true) {
// MBED_ASSERT(sensor.update());

ThisThread::sleep_for(2000ms);

if (sensor.update()) {
Expand Down