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corrections to serial-direct example #31

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merged 1 commit into from Apr 26, 2017
Merged

corrections to serial-direct example #31

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26 changes: 18 additions & 8 deletions conf/interfacer_examples/directserial/readme.md
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Expand Up @@ -11,11 +11,11 @@ Here is an example of printing data from an Arduino sketch:

```
Serial.print(nodeID); Serial.print(' ');
Serial.print((int)(realPower1)); Serial.print(' '); // These for compatibility, but whatever you need if emonHub is configured to suit.
Serial.print((int)(realPower2)); Serial.print(' ');
Serial.print((int)(realPower3)); Serial.print(' ');
Serial.print((int)(realPower4)); Serial.print(' ');
Serial.print((int)(Vrms*100));
Serial.print(realPower1); Serial.print(' ');
Serial.print(realPower2); Serial.print(' ');
Serial.print(realPower3); Serial.print(' ');
Serial.print(realPower4); Serial.print(' ');
Serial.print(Vrms); Serial.println();
```

## Example emonhub Config
Expand All @@ -26,12 +26,22 @@ In the `[interfacers]` section:
[[SerialDirect]]
Type = EmonHubSerialInterfacer
[[[init_settings]]]
com_port = /dev/ttyUSB0
com_baud = 9600
com_port = /dev/ttyUSB0 # or /dev/ttyAMA0 or/dev/ttyACM0 etc
com_baud = 9600 # to match the baud of the connected device
[[[runtimesettings]]]
pubchannels = ToEmonCMS,
```
In the `[nodes]` section:

```
[[99]]
nodename = my-serial-device
[[[rx]]]
names = power1, power2, power3, power4, vrms
datacode = 0 # not essential as "0" is default datacode for serial interfacer
scale = 1 # not essential as "1" is default scale for serial interfacer
units =W,W,W,W,V
```
## Debugging

- Ensure the data received on the serial port is 100% numerical characters with no rogue spaces. Non-numerical characters could result in `Thread is dead` error.
- Ensure the data received on the serial port is 100% numerical characters with no rogue spaces. Non-numerical characters could result in `Thread is dead` error.