squeezelite-esp32/protobuf/proto/GPIO.proto

syntax = "proto3";

package sys;
import "Common.proto";
import "customoptions.proto";
import "nanopb.proto";
option (nanopb_fileopt).enum_to_string = true;

enum LevelsEnum { 
  L_LOW = 0;
  L_HIGH = 1;
}
// GPIO to use for the specified function
message GPIO {
  option (nanopb_msgopt).msgid  = 10130;
  int32 pin = 1 [(nanopb).int_size = IS_8, (cust_field).v_int32 = -1]; // a valid esp32 gpio pin that supports the intended mode
  LevelsEnum level = 2 [(cust_field).v_enum = "L_HIGH"]; // 0 or 1
}
enum LedTypesEnum { 
  UNKNOWN = 0;
  LED_TYPE_GPIO = 1;
  LED_TYPE_WS2812 = 2;
}
message LED {
  option (nanopb_msgopt).msgid  = 10029;
  GPIO gpio = 1 [(nanopb).int_size = IS_8]; // a valid esp32 gpio pin that supports the intended mode
  int32 brightness = 2 [(nanopb).int_size = IS_8]; // 0 to 100%
  LedTypesEnum led_type = 3;
}
message Gpios {
  option (nanopb_msgopt).msgid  = 10030;
  LED greenLED = 1;
  LED redLED = 2;
  GPIO audioJack = 3;
  GPIO amp = 4;
  GPIO power = 5 ;
  GPIO jack = 6;
  GPIO spkfault = 7;
  GPIO Vcc = 8;
  GPIO GND = 9;
}
enum GPIOExpModelEnum {
  UNSPECIFIED_EXP = 0;
  PCA9535 = 1;
  PCA85XX = 2;
  MCP23017 = 3;
  MCP23S17 = 4;
}

message GPIOExpI2C {
  option (nanopb_msgopt).msgid  = 10032;
  PortEnum port = 5 [(cust_field).v_string = "SYSTEM"];  // Defaults to system  
}
message GPIOExpSPI {
  option (nanopb_msgopt).msgid  = 10031;
  int32 speed = 1 [(nanopb).int_size = IS_16];
  HostEnum host = 2;
  GPIO cs = 3;
}
message GPIOExp {
  option (nanopb_msgopt).msgid  = 10033;
  GPIOExpModelEnum model = 1;
  int32 addr = 2 [(nanopb).int_size = IS_8];
  oneof ExpType {
    GPIOExpI2C i2c = 3;
    GPIOExpSPI spi = 4;
  }
  int32 base = 5 [(cust_field).v_int32 = 40];     // Defaults to 40 
  int32 count = 6 [(cust_field).v_int32 = 16];    // Defaults to 16 
  GPIO intr = 7;
  
  
}