37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
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package schema
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import (
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"entgo.io/ent"
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"entgo.io/ent/dialect/entsql"
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"entgo.io/ent/schema"
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"entgo.io/ent/schema/field"
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)
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// Signal PLC信号定义，配置PC与PLC之间的数据交换信号
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type Signal struct {
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ent.Schema
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}
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func (Signal) Annotations() []schema.Annotation {
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return []schema.Annotation{
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entsql.Annotation{
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Table: "signal",
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Options: "COMMENT='PLC信号定义表，配置PC与PLC之间数据交换的地址映射、收发方向及回复偏移'",
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},
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entsql.WithComments(true),
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}
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}
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func (Signal) Fields() []ent.Field {
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return []ent.Field{
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field.Int("id").Positive().Comment("主键ID"),
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field.Int("isStatus").Comment("信号分类：0=任务信号（一次性触发），1=状态信号（持续读取）"),
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field.String("name").NotEmpty().Unique().Comment("信号名称，全局唯一，与PLC信号表name一致"),
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field.Int("sender").Default(1).Comment("发送方：1=PC端发送，2=PLC端发送"),
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field.String("address").Comment("PLC地址，对应PLC内存映射地址"),
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field.Int("replyOffset").Default(9).Comment("回复地址偏移量，PLC回复信号相对于发送地址的偏移"),
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field.String("dataType").Default("bool").Comment("数据类型：bool/byte/int/word，决定信号读取方式"),
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field.String("description").MaxLen(60).Optional().Comment("信号描述，说明此信号的功能和用途"),
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}
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}
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