-
Notifications
You must be signed in to change notification settings - Fork 1
/
wrapped.go
133 lines (119 loc) · 2.67 KB
/
wrapped.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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
package main
import (
"fmt"
"io/ioutil"
"net/http"
"net/url"
"os"
"sort"
"strconv"
"strings"
"go.bug.st/serial.v1"
)
func wrappedCd(argv []string) {
if len(argv) > 1 {
if err := os.Chdir(argv[1]); err != nil {
fmt.Println(err)
return
}
}
if dir, err := os.Getwd(); err == nil {
fmt.Println(dir)
} else {
fmt.Println(err)
}
}
func wrappedLs(argv []string) {
dir := "."
if len(argv) > 1 {
dir = argv[1]
}
var names []string
files, _ := ioutil.ReadDir(dir)
for _, f := range files {
n := f.Name()
if !strings.HasPrefix(n, ".") {
if f.IsDir() {
n = n + "/"
}
names = append(names, n)
}
}
fmt.Println(strings.Join(names, " "))
}
func wrappedReset() {
if dev == nil {
fmt.Println("[use CTRL-D to exit]")
} else {
boardReset(false)
}
}
func wrappedSend(argv []string) {
if len(argv) == 1 {
fmt.Printf("Usage: %s <filename>\n", argv[0])
return
}
if !IncludeFile(argv[1], 0) {
fmt.Println("Send failed.")
}
}
var crcTable = []uint16{
0x0000, 0xCC01, 0xD801, 0x1400, 0xF001, 0x3C00, 0x2800, 0xE401,
0xA001, 0x6C00, 0x7800, 0xB401, 0x5000, 0x9C01, 0x8801, 0x4400,
}
func crc16(data []byte) uint16 {
var crc uint16 = 0xFFFF
for _, b := range data {
crc = (crc >> 4) ^ crcTable[crc&0x0F] ^ crcTable[b&0x0F]
crc = (crc >> 4) ^ crcTable[crc&0x0F] ^ crcTable[(b>>4)&0x0F]
}
return crc
}
func wrappedUpload(argv []string) {
names := AssetNames()
sort.Strings(names)
if len(argv) == 1 {
fmt.Println("These firmware images are built-in:")
for i, name := range names {
data, _ := Asset(name)
fmt.Printf("%3d: %-16s %5db crc:%04X\n",
i+1, name, len(data), crc16(data))
}
fmt.Println("Use '!u <n>' to upload a specific one.")
return
}
// try built-in images first, indicated by entering a valid number
var data []byte
if n, err := strconv.Atoi(argv[1]); err == nil && 0 < n && n <= len(names) {
data, _ = Asset(names[n-1])
} else if u, err := url.Parse(argv[1]); err == nil && u.Scheme != "" {
fmt.Print("Fetching... ")
res, err := http.Get(argv[1])
if err == nil {
data, err = ioutil.ReadAll(res.Body)
res.Body.Close()
}
if err != nil {
fmt.Println(err)
return
}
fmt.Printf("got it, crc:%04X\n", crc16(data))
} else { // else try opening the arg as file
f, err := os.Open(argv[1])
if err == nil {
data, err = ioutil.ReadAll(f)
f.Close()
}
if err != nil {
fmt.Println(err)
return
}
}
if tty != nil && *raw {
// temporarily switch to even parity during upload
tty.SetMode(&serial.Mode{BaudRate: *baud, Parity: serial.EvenParity})
defer tty.SetMode(&serial.Mode{BaudRate: *baud})
}
defer boardReset(false) // reset with BOOT0 low to restart normally
Uploader(data)
}