-
Notifications
You must be signed in to change notification settings - Fork 0
/
FFlash.pas
159 lines (131 loc) · 3.77 KB
/
FFlash.pas
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
// Pidi Flash File Maker
// Date 26.05.22
// 26.05.22 migrate to Embarcadero Delphi XE7 Update
// 26.05.22 add multi-resolution icon container (16, 24, 32, 48, and 256 pixels, 256 colors)
// 26.05.22 opt create Flash file in 'Flash' subfolder of program folder 'bin'
// 26.05.22 Project is now open source hosted on GitHub
unit FFlash;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Controls, Forms,
StdCtrls, USystem;
type
TFlash = class(TForm)
lbFlash: TLabel;
lbSectors: TLabel;
edFlash: TEdit;
edSectors: TEdit;
btMake: TButton;
procedure FormCreate(Sender: TObject);
procedure btMakeClick(Sender: TObject);
procedure edChange(Sender: TObject);
private
procedure CreateFlash(FlashFile: string; Sectors: Integer);
public
//
end;
const
FLASH_PROG = ' Flash Maker 1.1';
FLASH_PATH = 'Flash\'; // working dir = home dir / 26.05.22 nk old= '.\'
FLASH_FILE = 'Flash'; // default flash file name
FLASH_POST = '.pfd'; // flash file ending
FLASH_BACK = '.bak'; // flash file backup copy
MEMSTART = 0; // flash memory start address
MEMBYTE = 1; // flash memory cell size=1byte
MEMDEFSECT = 20; // default number of sectors
MEMMAXSECT = 32; // maximum number of sectors
MEMBLOCKLEN = 16; // flash memory block buffer length=16words
MEMBLOCKSIZE = 32; // flash data block size (16x2bytes=32bytes)
MEMSECTSIZE = 65536; // flash sector size = 65'536bytes = 64kB
MEMEMPTYBYTE = $0FF; // empty flash cell (1byte)
var
Flash: TFlash;
implementation
{$R *.dfm}
procedure TFlash.FormCreate(Sender: TObject);
begin
//DisableMaxButton(Self); // hide maximize button
//DisableMinButton(Self); // hide minimize button
Caption := FLASH_PROG;
btMake.Tag := 0;
btMake.Caption := 'Make';
edFlash.Text := FLASH_FILE;
edSectors.Text := IntToStr(MEMDEFSECT);
end;
procedure TFlash.btMakeClick(Sender: TObject);
var
sectors: Integer;
fname: string;
begin
if btMake.Tag = 9 then begin
Close;
Exit;
end;
sectors := 0;
fname := Trim(edFlash.Text);
if Pos(FLASH_POST, fname) > 0 then begin
Beep;
edFlash.Text := FLASH_FILE;
edFlash.SetFocus;
Exit;
end;
if not TryStrToInt(edSectors.Text, sectors) then begin
Beep;
edSectors.Text := IntToStr(MEMDEFSECT);
edSectors.SetFocus;
Exit;
end;
if (sectors < 1) or (sectors > MEMMAXSECT) then begin
Beep;
edSectors.Text := IntToStr(MEMDEFSECT);
edSectors.SetFocus;
Exit;
end;
// 26.05.22 nk add ProgPath
fname := ProgPath + FLASH_PATH + fname + FLASH_POST;
CreateFlash(fname, sectors);
end;
procedure TFlash.edChange(Sender: TObject);
begin
btMake.Tag := 0;
btMake.Caption := 'Make';
end;
procedure TFlash.CreateFlash(FlashFile: string; Sectors: Integer);
var
val: Byte;
s, w: Integer;
ret, err: Integer;
flash: file of byte; // binary coded flash file
begin
err := 0;
btMake.Tag := 1;
btMake.Caption := 'Working...';
btMake.Enabled := False;
RenameFile(FlashFile, FlashFile + FLASH_BACK); //rename to backup file
try // to create empty flash file (block write buffer = 1 byte)
err := 0;
val := MEMEMPTYBYTE;
AssignFile(flash, FlashFile);
Rewrite(flash);
for s := MEMSTART to sectors - 1 do begin
for w := MEMSTART to MEMSECTSIZE - 1 do begin
BlockWrite(flash, val, MEMBYTE, ret);
if ret <> MEMBYTE then Inc(err);
end;
end;
except
Inc(err);
end;
CloseFile(flash);
btMake.Enabled := True;
if err > 0 then begin
Beep;
btMake.Tag := 5;
btMake.Caption := 'ERRORS: ' + IntToStr(err);
end else begin
btMake.Tag := 9;
btMake.Caption := 'Done';
end;
Application.ProcessMessages;
end;
end.