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Merge pull request #12 from openenergymonitor/multiple_ds18b20_external 

Multiple ds18b20 external
This commit is contained in:
Trystan Lea 2021-09-20 13:59:28 +01:00 committed by GitHub
parent 411d46a742 bc9ee1d298
commit 24b843c0f9
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 12 deletions
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12
firmware/platformio.ini
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@ -21,19 +21,20 @@
env_default = emonth2 env_default = emonth2
[common] [common]
monitor_speed = 115200
build_flags = -D BUILD_TAG=3.2.0
# http://docs.platformio.org/en/stable/projectconf.html#lib-deps # http://docs.platformio.org/en/stable/projectconf.html#lib-deps
lib_deps_external = lib_deps_external =
DallasTemperature @3.7.7 DallasTemperature @3.7.7
JeeLib @c057b5f4c0 https://github.com/jcw/jeelib.git#f097c0039c926881d80a74bec7a7aa020de610ee
Si7021 @c5ce0922ef https://github.com/LowPowerLab/SI7021.git
monitor_speed = 115200
build_flags = -D BUILD_TAG=3.2.0
[env:emonth2] [env:emonth2]
platform = atmelavr platform = atmelavr
framework = arduino framework = arduino
board = uno board = uno
build_flags = ${common.build_flags}
lib_deps = ${common.lib_deps_external} lib_deps = ${common.lib_deps_external}
monitor_speed = ${common.monitor_speed} monitor_speed = ${common.monitor_speed}
@ -54,3 +55,4 @@ framework = arduino
board = uno board = uno
lib_deps = ${common.lib_deps_external} lib_deps = ${common.lib_deps_external}
build_flags = !echo '-DBUILD_TAG='$TRAVIS_TAG build_flags = !echo '-DBUILD_TAG='$TRAVIS_TAG
monitor_speed = ${common.monitor_speed}

20
firmware/src/src.ino
View File

@ -62,6 +62,8 @@
units = C,C,%,V,p units = C,C,%,V,p
*/ */
// ------------------------------------------------------------------------------------------------------------- // -------------------------------------------------------------------------------------------------------------
#define EXTERNAL_TEMP_SENSORS 1 // Specify number of external temperature sensors that are connected
boolean debug=1; // Set to 1 to few debug serial output boolean debug=1; // Set to 1 to few debug serial output
boolean flash_led=0; // Flash LED after each sample (battery drain) default=0 boolean flash_led=0; // Flash LED after each sample (battery drain) default=0
@ -122,7 +124,7 @@ boolean DS18B20; // create
// https://github.com/openenergymonitor/emonhub/blob/emon-pi/configuration.md // https://github.com/openenergymonitor/emonhub/blob/emon-pi/configuration.md
typedef struct { // RFM RF payload datastructure typedef struct { // RFM RF payload datastructure
int temp; int temp;
int temp_external; int temp_external[EXTERNAL_TEMP_SENSORS];
int humidity; int humidity;
int battery; int battery;
unsigned long pulsecount; unsigned long pulsecount;
@ -376,12 +378,14 @@ void loop()
for(int j=0;j<numSensors;j++) sensors.setResolution(allAddress[j], TEMPERATURE_PRECISION); // and set the a to d conversion resolution of each. for(int j=0;j<numSensors;j++) sensors.setResolution(allAddress[j], TEMPERATURE_PRECISION); // and set the a to d conversion resolution of each.
sensors.requestTemperatures(); // Send the command to get temperatures sensors.requestTemperatures(); // Send the command to get temperatures
dodelay(ASYNC_DELAY); //Must wait for conversion, since we use ASYNC mode dodelay(ASYNC_DELAY); //Must wait for conversion, since we use ASYNC mode
float temp=(sensors.getTempC(allAddress[0]));
digitalWrite(DS18B20_PWR, LOW); for(int j=0;j<EXTERNAL_TEMP_SENSORS;j++) {
if ((temp<125.0) && (temp>-40.0)) float temp=(sensors.getTempC(allAddress[j]));
{ if ((temp<125.0) && (temp>-40.0)) {
emonth.temp_external=(temp*10); emonth.temp_external[j]=(temp*10);
}
} }
digitalWrite(DS18B20_PWR, LOW);
} }
emonth.battery=int(analogRead(BATT_ADC)*0.0322); //read battery voltage, convert ADC to volts x10 emonth.battery=int(analogRead(BATT_ADC)*0.0322); //read battery voltage, convert ADC to volts x10
@ -435,7 +439,9 @@ void loop()
Serial.print("temp:");Serial.print(emonth.temp); Serial.print(","); Serial.print("temp:");Serial.print(emonth.temp); Serial.print(",");
if (DS18B20){ if (DS18B20){
Serial.print("tempex:");Serial.print(emonth.temp_external); Serial.print(","); for(int j=0;j<EXTERNAL_TEMP_SENSORS;j++) {
Serial.print("tempex");Serial.print(j);Serial.print(":");Serial.print(emonth.temp_external[j]); Serial.print(",");
}
} }
if (SI7021_status){ if (SI7021_status){