awtk/docs/manual/tk_istream_shdlc_t.md
2019-12-14 13:25:56 +08:00

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## tk\_istream\_shdlc\_t
### 概述
![image](images/tk_istream_shdlc_t_0.png)
reliable istream base on simple HDLC
----------------------------------
### 函数
<p id="tk_istream_shdlc_t_methods">
| 函数名称 | 说明 |
| -------- | ------------ |
| <a href="#tk_istream_shdlc_t_tk_istream_shdlc_create">tk\_istream\_shdlc\_create</a> | 创建istream对象。 |
### 属性
<p id="tk_istream_shdlc_t_properties">
| 属性名称 | 类型 | 说明 |
| -------- | ----- | ------------ |
| <a href="#tk_istream_shdlc_t_retry_times">retry\_times</a> | uint32\_t | 失败重传次数。 |
| <a href="#tk_istream_shdlc_t_timeout">timeout</a> | uint32\_t | 读写超时时间(ms) |
#### tk\_istream\_shdlc\_create 函数
-----------------------
* 函数功能:
> <p id="tk_istream_shdlc_t_tk_istream_shdlc_create">创建istream对象。
> 只能由iostream_shdlc调用。
* 函数原型:
```
tk_istream_t* tk_istream_shdlc_create (tk_iostream_shdlc_t* iostream);
```
* 参数说明:
| 参数 | 类型 | 说明 |
| -------- | ----- | --------- |
| 返回值 | tk\_istream\_t* | 返回istream对象。 |
| iostream | tk\_iostream\_shdlc\_t* | iostream对象。 |
#### retry\_times 属性
-----------------------
> <p id="tk_istream_shdlc_t_retry_times">失败重传次数。
* 类型uint32\_t
#### timeout 属性
-----------------------
> <p id="tk_istream_shdlc_t_timeout">读写超时时间(ms)
* 类型uint32\_t