mirror of
https://gitee.com/zlgopen/awtk.git
synced 2024-12-03 20:48:02 +08:00
28 lines
495 B
Markdown
28 lines
495 B
Markdown
|
## iostream 扩展函数
|
||
|
|
|
||
|
|
### 1.iostream\_get\_istream
|
||
|
|
|
||
|
|
### 2.iostream\_get\_ostream
|
||
|
|
|
||
|
|
### 更多示例
|
||
|
|
```js
|
||
|
|
//
|
||
|
|
// start serial echo server first
|
||
|
|
// ./bin/serial_recv 4000
|
||
|
|
//
|
||
|
|
|
||
|
|
a = iostream_serial_create("/dev/ttys001", 0)
|
||
|
|
b = iostream_get_ostream(a)
|
||
|
|
c = iostream_get_istream(a)
|
||
|
|
|
||
|
|
assert(ostream_write_uint32(b, 6) == 4)
|
||
|
|
assert(ostream_write_string(b, "hello\n") == 6)
|
||
|
|
|
||
|
|
assert(istream_read_uint32(c, 3000) == 6)
|
||
|
|
assert(istream_read_string(c, 6, 3000) == "hello\n")
|
||
|
|
|
||
|
|
unset(c)
|
||
|
|
unset(b)
|
||
|
|
unset(a)
|
||
|
|
```
|