ads-proto 0.1.1

Implementation of the Beckhoff ADS protocol (Automation Device Specification)
Documentation 
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pub struct AdsService {
    pub index_group: u32,
    pub index_offset_start: u32,
    pub index_offset_end: u32,
}

///Reqeust var-handle by name.
///Index offset is allways 0
pub const GET_SYMHANDLE_BY_NAME: AdsService = AdsService {
    index_group: 0x0000F003,
    index_offset_start: 0x00000000,
    index_offset_end: 0x00000000,
};

///Read or write to the the var behind the handle requested with GET_SYMHANDLE_BY_NAME
///Index offset is symhandle
pub const READ_WRITE_SYMVAL_BY_HANDLE: AdsService = AdsService {
    index_group: 0x0000F005,
    index_offset_start: 0x00000000,
    index_offset_end: 0xFFFFFFFF,
};

///Releases a symhandle.
///Send Symhandle with the write data
pub const RELEASE_SYMHANDLE: AdsService = AdsService {
    index_group: 0x0000F006,
    index_offset_start: 0x00000000,
    index_offset_end: 0xFFFFFFFF,
};

/// Index offset = Number of internal sub-commands.
/// Max commands = 500
pub const ADSIGRP_SUMUP_WRITE: AdsService = AdsService {
    index_group: 0x0000F081,
    index_offset_start: 0x00000000,
    index_offset_end: 0xFFFFFFFF,
};

/// Index offset = Number of internal sub-commands.
/// Max commands = 500
pub const ADSIGRP_SUMUP_READEX: AdsService = AdsService {
    index_group: 0x0000F083,
    index_offset_start: 0x00000000,
    index_offset_end: 0xFFFFFFFF,
};

/// Index offset = Number of internal sub-commands.
/// Max commands = 500
pub const ADSIGRP_SUMUP_READWRITE: AdsService = AdsService {
    index_group: 0x0000F082,
    index_offset_start: 0x00000000,
    index_offset_end: 0xFFFFFFFF,
};