# Atmel EDBG-based Tools Protocols
Discovery Protocol Definition

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### Discovery Protocol ID definitions

    enum Jtagice3DiscoveryCommands {
        CMD_QUERY                       = 0x00, //! Capability discovery
    };

    enum Jtagice3DiscoveryResponses {
        RSP_DISCOVERY_LIST              = 0x81, //! List of items returned
        RSP_DISCOVERY_FAILED            = 0xA0, //! Command failed to execute
    };

    // Generic failure codes
    enum Jtagice3FailureCodes {
        FAILURE_OK                      = 0x00, //! No error
        FAILURE_USB_PREVIOUS_UNDERRUN   = 0xE0, //! Previous command had too few bytes
        FAILURE_UNKNOWN                 = 0xFF  //! Unknown failure
    };

    enum Jtagice3Discovery {
        DISCOVERY_COMMAND_HANDLERS      = 0x00, //! List available command handlers
        DISCOVERY_TOOL_NAME             = 0x80, //! Query tool name
        DISCOVERY_SERIAL_NUMBER         = 0x81, //! Query tool serial number
        DISCOVERY_MNF_DATE              = 0x82  //! Query tool manufacturing date
    };

    enum Jtagice3DiscoveryFailureCodes {
        DISCOVERY_FAILED_NOT_SUPPORTED  = 0x10  //! Unsupported function
    };

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