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// Protocol for Dataflow
syntax = "proto2";
/*
* SOR codes
*
* |------|----------------------|
* | Code | Instruction |
* | 1 | TX from slave |
* | 2 | RX datapoint |
* | 3 | RX command |
* |------|----------------------|
*
*/
message m2s_SOR {
required uint32 SOR_code = 1 [default=1];
/* If master wants slave to receive something, it also puts the rx length in the SOR */
optional uint32 rx_length = 2;
}
/* DOC Codes
*
* |------|----------------------|
* | Code | Instruction |
* | 1 | Unicast command |
* | 2 | Multicast command |
* | 3 | Broadcast command |
* | 4 | Reserved |
* | 5 | Data |
* |------|----------------------|
*
*/
message s2m_DOC {
/* If master wants to receive something from the slave, the slave specifies whether
it is sending a command or data */
required uint32 DOC_code = 1 [default=1];
/* Also encode the length of the next transmission */
required uint32 tx_length = 2 [default=0];
}
message m2s_CTS {
required uint32 timeout = 1;
}
/* Commands when SOR code is 3 */
message m2s_command {
optional uint32 source_module_id = 1 [default=1];
optional uint32 source_i2c_address = 2 [default=1];
optional bytes cmd_bytes = 3;
optional string cmd_str = 4;
}
/* Commands from slave */
message s2m_command {
optional uint32 dest_module_id = 1;
repeated uint32 dest_module_id_multicast = 2;
optional bytes cmd_bytes = 3;
optional string cmd_str = 4;
}
message _datapoint {
required uint32 entity_id = 1 [default=0];
required double data = 2 [default=0];
optional uint32 channel_id = 3 [default=1];
optional uint32 unit_id = 4 [default=1];
optional int32 timestamp = 5 [default=1];
}
message s2m_data {
repeated _datapoint datapoints = 1;
}
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