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
|
//=========================================================================//
// //
// PonyProg - Serial Device Programmer //
// //
// Copyright (C) 1997-2021 Claudio Lanconelli //
// //
// http://ponyprog.sourceforge.net //
// //
//-------------------------------------------------------------------------//
// //
// This program is free software; you can redistribute it and/or //
// modify it under the terms of the GNU General Public License //
// as published by the Free Software Foundation; either version2 of //
// the License, or (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
// General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program (see LICENSE); if not, write to the //
// Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
// //
//=========================================================================//
#ifndef _AT250BUS_H
#define _AT250BUS_H
#include "spi-bus.h"
class At250Bus : public SPIBus
{
public:
At250Bus(BusInterface *ptr = 0);
//virtual ~At250Bus();
long Read(int addr, uint8_t *data, long length, int page_size = 0);
long Write(int addr, uint8_t const *data, long length, int page_size = 0);
int Reset();
protected:
virtual int ReadEEPByte(int addr);
virtual void WriteEEPByte(int addr, int data);
int ReadEEPStatus();
int WriteEEPStatus(int data);
void EndCycle(void);
int WaitEndOfWrite(int timeout = 0); // 07/08/99
//Programming commands
const uint8_t WriteEnable;
const uint8_t WriteDisable;
const uint8_t ReadStatus;
const uint8_t WriteStatus;
const uint8_t ReadData;
const uint8_t WriteData;
//Status flags
const uint8_t NotReadyFlag;
const uint8_t WenFlag;
const uint8_t BPFlags;
const int loop_timeout;
private:
void setNCS()
{
ClearReset(); //27/05/98
}
void clearNCS()
{
SetReset(); //27/05/98
}
};
#endif
|
