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One wire is initialized directly after start

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This commit is contained in:
Ollo 2021-04-07 22:10:26 +02:00
parent b8b8cf84d5
commit 31229594fe
3 changed files with 23 additions and 26 deletions
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4
esp32/Readme.md
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@ -75,10 +75,6 @@ DS18B20 one wire temp sensor
* alle Pumpen & Sensoren deaktiviert * alle Pumpen & Sensoren deaktiviert
## Masterplan 2.0 ## Masterplan 2.0
* kein WLAN
* Bewässerung muss immer laufen
* Timeout um nicht ewig aufs WLAN zu warten
* Nicht mehrere Messungen vom Temp-Sensor nur warten, bis wir einen Wert bekommen
* Partitionslayout * Partitionslayout
* OW-search address in topic nutzen * OW-search address in topic nutzen
* Wifi bei timout deaktivieren (damit wir entweder wlan spielen oder fallback: nur pflanzen giessen) * Wifi bei timout deaktivieren (damit wir entweder wlan spielen oder fallback: nur pflanzen giessen)

3
esp32/include/ControllerConfiguration.h
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@ -97,7 +97,8 @@
#define MAX_CONFIG_SETTING_ITEMS 50 /**< Parameter, that can be configured in Homie */ #define MAX_CONFIG_SETTING_ITEMS 50 /**< Parameter, that can be configured in Homie */
#define TEMPERATUR_TIMEOUT 3000 /**< 3 Seconds timeout for the temperatur sensors */ #define TEMPERATUR_TIMEOUT 3000 /**< 3 Seconds timeout for the temperatur sensors */
#define TEMP_SENSOR_MEASURE_SERIES 5 #define DS18B20_RESOLUTION 9 /**< 9bit temperature resolution -> 0.5°C steps */
/* @} */ /* @} */
#endif #endif

42
esp32/src/main.cpp
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@ -193,30 +193,10 @@ void readDistance()
*/ */
void readSensors() void readSensors()
{ {
int sensorCount = sensors.getDS18Count();
Serial << "Read Sensors" << endl; Serial << "Read Sensors" << endl;
/* activate all sensors */ /* activate all sensors */
digitalWrite(OUTPUT_ENABLE_SENSOR, HIGH); digitalWrite(OUTPUT_ENABLE_SENSOR, HIGH);
/* wait before reading something */
delay(20);
int timeoutTemp = millis() + TEMPERATUR_TIMEOUT;
uint8_t sensorCount = 0U;
/* Required to read the temperature at least once */
while ((sensorCount == 0 || !battery.isFound()) && millis() < timeoutTemp)
{
sensors.begin();
battery.begin();
sensorCount = sensors.getDS18Count();
delay(50);
}
Serial << "One wire count: " << sensorCount << " found in " << (millis() - timeoutTemp) << "ms" << endl;
/* Measure temperature */
if (sensorCount > 0)
{
sensors.requestTemperatures();
}
for (uint8_t i = 0; i < sensorCount; i++) for (uint8_t i = 0; i < sensorCount; i++)
{ {
@ -428,6 +408,26 @@ void setup()
Serial << "Limits.hpp" << endl; Serial << "Limits.hpp" << endl;
} }
/************************* Start One-Wire bus ***************/
int timeoutTemp = millis() + TEMPERATUR_TIMEOUT;
uint8_t sensorCount = 0U;
/* Required to read the temperature at least once */
while ((sensorCount == 0 || !battery.isFound()) && millis() < timeoutTemp)
{
sensors.begin();
battery.begin();
sensorCount = sensors.getDS18Count();
delay(50);
}
Serial << "One wire count: " << sensorCount << " found in " << (millis() - timeoutTemp) << "ms" << endl;
/* Measure temperature TODO idea: move this into setup */
if (sensorCount > 0)
{
sensors.setResolution(DS18B20_RESOLUTION);
sensors.requestTemperatures();
}
/************************* Start Homie Framework ***************/ /************************* Start Homie Framework ***************/
WiFi.mode(WIFI_STA); WiFi.mode(WIFI_STA);