WMPRO FW >= 1.0 WMMEGA FW >= 2.0
Configure an I/O pin as a digital input, output, or analog input
This function will change settings for certain pins on WattmonPRO and MEGA. This is actually not to be used unless you know what you are doing, because it may cause certain parts of the device to not function properly.
$pin_index: The internal pin number. These are the configurable pins:
| Pin Index | External Label (Physical) | Default | Settable as | Description |
|---|---|---|---|---|
| 0 | VIN/A1 (PIN 2) | ANALOG | ANALOG/INPUT/OUTPUT | Voltage of primary input |
| 1 | A2 (PIN 3) | ANALOG | ANALOG/INPUT/OUTPUT | Voltage of A2 input |
| 2 | A3 (PIN 4 ) | ANALOG | ANALOG/INPUT/OUTPUT | Voltage of A3 input |
| 3 | Internally available | ANALOG | ANALOG/INPUT/OUTPUT | No physical connection |
| 6 | DI1 (PIN 16) | INPUT | INPUT/COUNTER | Digital input (opto-isolated) or counter |
| 7 | DI2 (PIN 17) | INPUT | INPUT/COUNTER | Digital input (opto-isolated) or counter |
| 8 | DI3 (PIN 18) | INPUT | INPUT/COUNTER | Digital input (opto-isolated) or counter |
| 9 | DI4 (PIN 19) | INPUT | INPUT/COUNTER | Digital input (opto-isolated) or counter |
| 10 | DO1 (PIN 21) | OUTPUT | INPUT/OUTPUT | Digital output |
| 11 | DO2 (PIN 22) | OUTPUT | INPUT/OUTPUT | Digital output |
| 12 | DO3 (PIN 23) | OUTPUT | INPUT/OUTPUT | Digital output |
| 13 | DO4 (PIN 24) | OUTPUT | INPUT/OUTPUT | Digital output |
| 14 | RL1 (PIN 13) | OUTPUT | INPUT/OUTPUT | Latches the relay on (should never be kept on for long, just pulse to switch) |
| 15 | RL2 (PIN 14) | OUTPUT | INPUT/OUTPUT | Latches the relay off (should never be kept on for long, just pulse to switch) |
$pin_type: Any of the following (if settable for that pin), allowed values:
| Pin Type | Description |
|---|---|
| 1 | Digital Output |
| 2 | Digital Input |
| 4 | Analog Input |
| 16 | Counter |
$counter_type: Optional if configuring a COUNTER (pin index 6-9), choose from the following:
| Counter Type | Description |
|---|---|
| 0 | Trigger on High |
| 1 | Trigger on Low |
| 2 | Trigger on any change |
None
pin_get() - Return the value of an I/O pin
pin_set() - Set a digital output to value 1 or 0
adc_read() - Read an onboard ADC channel