Commit 680801120af1dd55e59ae8e0ef87bb3c84369312
1 parent
a1b37d0f37
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master
LS산전 시리얼 테스트 프로그램 추가
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go/src/lsis/serial.go
... | ... | @@ -0,0 +1,73 @@ |
1 | +package main | |
2 | + | |
3 | +import ( | |
4 | + "log" | |
5 | + "os" | |
6 | + | |
7 | + "github.com/tarm/serial" | |
8 | +) | |
9 | + | |
10 | +func main() { | |
11 | + w() | |
12 | + r() | |
13 | +} | |
14 | + | |
15 | +func r() { | |
16 | + p, err := serial.OpenPort(&serial.Config{ | |
17 | + Name: "/dev/ttyUSB1", | |
18 | + Baud: 230400, | |
19 | + }) | |
20 | + if err != nil { | |
21 | + log.Fatal(err) | |
22 | + } | |
23 | + | |
24 | + b := make([]byte, 16) | |
25 | + t := 0 | |
26 | + for { | |
27 | + n, err := p.Read(b) | |
28 | + if err != nil { | |
29 | + log.Fatal(err) | |
30 | + } | |
31 | + | |
32 | + t += n | |
33 | + log.Print(t) | |
34 | + if t >= 1024*1024 { | |
35 | + break | |
36 | + } | |
37 | + } | |
38 | +} | |
39 | + | |
40 | +func w() { | |
41 | + f, err := os.OpenFile("/dev/zero", os.O_RDONLY, 666) | |
42 | + if err != nil { | |
43 | + log.Fatal(err) | |
44 | + } | |
45 | + | |
46 | + p, err := serial.OpenPort(&serial.Config{ | |
47 | + Name: "/dev/ttyUSB1", | |
48 | + Baud: 230400, | |
49 | + }) | |
50 | + if err != nil { | |
51 | + log.Fatal(err) | |
52 | + } | |
53 | + | |
54 | + b := make([]byte, 16) | |
55 | + t := 0 | |
56 | + for { | |
57 | + n, err := f.Read(b) | |
58 | + if err != nil { | |
59 | + log.Fatal(err) | |
60 | + } | |
61 | + | |
62 | + _, err = p.Write(b[:n]) | |
63 | + if err != nil { | |
64 | + log.Fatal(err) | |
65 | + } | |
66 | + | |
67 | + t += n | |
68 | + log.Print(t) | |
69 | + if t >= 1024*1024+1024 { | |
70 | + break | |
71 | + } | |
72 | + } | |
73 | +} | ... | ... |