Charger Protocol
Probing and Connection
| Channel | From | To | Meaning |
|---|---|---|---|
| 360 | CCU | Charger | ACS,hello,CHARGER - Probe for a control system. |
| 360 | Charger | CCU | ACS,welcome,device,information[...] - Controller reports existence. |
| 360 | CCU | Charger | ACS,interface,CHARGER - Request an interface. |
| 360 | Charger | CCU | ACS,interface,channel - Provide communication channel (large random negative number). |
| 360 | CCU | Charger | ACS,refuse,reason - CCU may refuse the connection. |
Initialization Messages
Sent by CCU after connection:| Channel | Message | Meaning |
|---|---|---|
| channel | ACS,powertype:EL | Unit uses electrical power. Required for charging. |
| channel | ACS,maxcharge:maxcharge | Unit’s maximum charge capacity in ticks. |
| Channel | Message | Meaning |
|---|---|---|
| channel | ACS,chargersummary: | Request information about the unit’s current charge state. |
power,chargepct,tickstofull
Normal Charging Sequence
| Channel | From | To | Meaning |
|---|---|---|---|
| channel | CCU | Charger | ACS,charging:1 - Indicates charging started. |
| channel | Charger | CCU | ACS,chargeseconds:n - Provides n ticks of charge. |
| channel | CCU | Charger | ACS,chargeticks:ticks - CCU reports charge level changes. |
| channel | CCU | Charger | ACS,charging:0 - Indicates charging ended. |
Additional Messages (Sent by CCU Anytime)
| Channel | Message | Meaning |
|---|---|---|
| channel | ACS,dump:key,string | Debugging info for a specific script in the charger. |
| channel | ACS,unitdisconnect:n | Allow (n=1) or prevent (n=0) unit disconnection while charging. |
| channel | ACS,power:n | Unit power ON (n=1) or OFF (n=0). |
| channel | ACS,stopcharge: | Signals the charger to stop charging. |
| channel | ACS,travel:n | Allow (n=1) or prevent (n=0) the unit from moving. |
Disconnect Sequence
| Channel | From | To | Meaning |
|---|---|---|---|
| channel | CCU | Charger | ACS,disconnect: - Tell CCU to disconnect. |
| channel | CCU | Charger | ACS,goodbye: - Indicates CCU is disconnecting. |
| 360 | Charger | CCU | ACS,goodbye: - Sent by charger if CCU resets (losing channel info). |