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current sensorfixes

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This commit is contained in:
Empire 2021-01-31 00:14:15 +01:00
parent d4ccab6ea5
commit 653d962cdf
3 changed files with 29 additions and 7 deletions
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5
esp32test/Esp32DeepSleepTest/include/DS2438.h
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@ -44,13 +44,14 @@ typedef uint8_t DeviceAddress[8];
class DS2438 {
public:
DS2438(OneWire *ow);
DS2438(OneWire *ow, float currentShunt);
DS2438(OneWire *ow, uint8_t *address);
void begin();
void update();
double getTemperature();
float getVoltage(int channel=DS2438_CHA);
float getCurrent();
boolean isError();
boolean isFound();
private:
@ -64,6 +65,8 @@ class DS2438 {
double _temperature;
float _voltageA;
float _voltageB;
float _current;
float _currentShunt;
boolean _error;
boolean startConversion(int channel, boolean doTemperature);
boolean selectChannel(int channel);

12
esp32test/Esp32DeepSleepTest/src/DS2438.cpp
View File

@ -24,8 +24,9 @@
#define DS2438MODEL 0x26
DS2438::DS2438(OneWire *ow) {
DS2438::DS2438(OneWire *ow, float currentShunt = 1.0f) {
_ow = ow;
_currentShunt = currentShunt;
};
void DS2438::begin(){
@ -112,6 +113,11 @@ void DS2438::update() {
}
_voltageB = (((data[4] << 8) & 0x00300) | (data[3] & 0x0ff)) / 100.0;
}
int16_t upperByte = ((int16_t)data[6]) << 8;
int16_t lowerByte = data[5];
int16_t fullByte = (upperByte | lowerByte);
_current = ((float)fullByte) / (4096.0f * _currentShunt);
_error = false;
}
@ -129,6 +135,10 @@ float DS2438::getVoltage(int channel) {
}
}
float DS2438::getCurrent() {
return _current;
}
boolean DS2438::isError() {
return _error;
}

19
esp32test/Esp32DeepSleepTest/src/main.cpp
View File

@ -36,7 +36,7 @@ int secondBootCount = 0;
OneWire oneWire(SENSOR_DS18B20);
DallasTemperature temp(&oneWire);
DS2438 battery(&oneWire);
DS2438 battery(&oneWire,0.1f);
void print_wakeup_reason(){
@ -100,21 +100,28 @@ void setup() {
temp.begin();
battery.begin();
Serial.print("Battery");
Serial.print("\t");
Serial.print("Solar");
Serial.print("\t");
Serial.print("Bat I");
Serial.print("\t");
Serial.println("Temp/10");
}
void loop() {
delay(200);
digitalWrite(OUTPUT_PUMP0, HIGH);
for(int j=0; j < 5 && temp.getDeviceCount() == 0; j++) {
delay(10);
Serial.println("Reset 1wire temp");
// Serial.println("Reset 1wire temp");
temp.begin();
}
for(int j=0; j < 5 && (0 == battery.isFound()); j++) {
delay(10);
Serial.println("Reset 1wire bat");
// Serial.println("Reset 1wire bat");
battery.begin();
battery.update();
}
@ -123,5 +130,7 @@ void loop() {
Serial.print("\t");
Serial.print(battery.getVoltage(1));
Serial.print("\t");
Serial.println(battery.getTemperature());
Serial.print(battery.getCurrent());
Serial.print("\t");
Serial.println(battery.getTemperature()/10);
}