forked from rakyll/portmidi
/
example_test.go
64 lines (52 loc) · 1.23 KB
/
example_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
package portmidi_test
import (
"fmt"
"log"
"github.com/rakyll/portmidi"
)
func ExampleStream_WriteSysEx() {
out, err := portmidi.NewOutputStream(portmidi.DefaultOutputDeviceID(), 1024, 0)
if err != nil {
log.Fatal(err)
}
if err = out.WriteSysEx(portmidi.Time(), "F0 0A 0A 1B 00 7F 30 F7"); err != nil {
log.Fatal(err)
}
}
func ExampleStream_WriteSysExBytes() {
out, err := portmidi.NewOutputStream(portmidi.DefaultOutputDeviceID(), 1024, 0)
if err != nil {
log.Fatal(err)
}
if err = out.WriteSysExBytes(portmidi.Time(), []byte{0xF0, 0x0A, 0x0A, 0x1B, 0x00, 0x7F, 0x30, 0xF7}); err != nil {
log.Fatal(err)
}
}
func ExampleStream_ReadSysExBytes() {
in, err := portmidi.NewInputStream(portmidi.DefaultInputDeviceID(), 1024)
if err != nil {
log.Fatal(err)
}
msg, err := in.Read(1024)
if err != nil {
log.Fatal(err)
}
for i, b := range msg {
fmt.Printf("SysEx message byte %d = %02x\n", i, b)
}
}
func ExampleStream_Poll() {
in, err := portmidi.NewInputStream(portmidi.DefaultInputDeviceID(), 1024)
if err != nil {
log.Fatal(err)
}
result, err := in.Poll()
if err != nil {
log.Fatal(err)
}
if result {
fmt.Println("New messages in the queue!")
} else {
fmt.Println("No new messages in the queue :(")
}
}