/* Protouf file for the DAC SDK module */

syntax = "proto3";

package EdgePiRPC_DAC;
option py_generic_services = true;

service DacService{
    rpc set_dac_gain(Gain) returns(GainState);
    rpc write_voltage(WriteVoltage) returns(SuccessMsg);
    rpc get_state(GetState) returns (State);
    rpc reset(EmptyMsg) returns (SuccessMsg);
}


message EmptyMsg {}

message SuccessMsg{
    optional string content = 1;
}

message Gain {
    optional bool set_gain = 1;
    optional bool auto_code_change = 2;
}

message GainState {
    optional bool gain_state = 1;
}

message WriteVoltage{
    optional DACChannels dac_channel = 1;
    optional float voltage = 2;
}

message GetState {
    optional DACChannels dac_channel = 1;
    optional bool code = 2;
    optional bool voltage = 3;
    optional bool gain = 4;
}

message State {
    optional int32 code_val = 1;
    optional float voltage_val = 2;
    optional bool gain_state = 3;
}

enum DACChannels{
    AOUT1 = 0;
    AOUT2 = 1;
    AOUT3 = 2;
    AOUT4 = 3;
    AOUT5 = 4;
    AOUT6 = 5;
    AOUT7 = 6;
    AOUT8 = 7;
}