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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
//=========================================================================//
// //
// 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. //
// //
//=========================================================================//
#include "types.h"
#include "globals.h"
#include "e2profil.h"
#include "microbus.h"
#include "errcode.h"
#include "e2cmdw.h"
#include <QDebug>
#include <QtCore>
MicroWireBus::MicroWireBus(BusInterface *ptr)
: BusIO(ptr)
{
qDebug() << Q_FUNC_INFO;
}
MicroWireBus::~MicroWireBus()
{
qDebug() << Q_FUNC_INFO;
}
void MicroWireBus::SetDelay()
{
int val = E2Profile::GetMicroWireSpeed();
int n;
switch (val)
{
case TURBO:
n = 1; // as fast as your PC can
break;
case FAST:
n = 5;
break;
case SLOW:
n = 50;
break;
case VERYSLOW:
n = 200;
break;
case ULTRASLOW:
n = 800;
break;
default:
n = 10; //Default (< 100KHz)
break;
}
Q_CHECK_PTR(busI);
busI->SetDelay(n);
qDebug() << Q_FUNC_INFO << "=" << n;
}
int MicroWireBus::SendDataBit(int b)
{
//clearCLK(); //si assicura che SCK low
//bitDI(b);
//ShotDelay();
//setCLK(); //device latch data bit now!
//ShotDelay();
//clearCLK();
int err = OK;
busI->xferBit(err, b, SPI_MODE_0 | xMODE_WRONLY);
return err;
}
int MicroWireBus::RecDataBit()
{
//clearCLK(); //si assicura che SCK low
//ShotDelay();
//setCLK();
//ShotDelay();
//b = getDO();
//clearCLK();
int err = OK;
int rv = busI->xferBit(err, 1, SPI_MODE_1 | xMODE_RDONLY);
if (err == OK)
{
return rv;
}
else
{
return err;
}
}
int MicroWireBus::RecDataBitShort()
{
clearCLK(); //be sure SCK low
ShotDelay();
return getDO();
}
int MicroWireBus::SendDataWord(int wo, int wlen, bool lsb)
{
int err = OK;
clearCLK();
busI->xferWord(err, wo, SPI_MODE_0 | xMODE_WRONLY, wlen, lsb);
clearDI();
return err;
}
//Standard Receive data word
int MicroWireBus::RecDataWord(int wlen, bool lsb)
{
int err = OK;
clearCLK();
int rv = busI->xferWord(err, 0xffff, SPI_MODE_1 | xMODE_RDONLY, wlen, lsb);
if (err == OK)
{
return rv;
}
else
{
return err;
}
}
//Receive Data word with the first clock pulse shortened.
// In case of the device doesn't leave a clock pulse to switch
// from DataOut to DataIn after the command
int MicroWireBus::RecDataWordShort(int wlen, bool lsb)
{
int valb = 0, valw = 0;
Q_ASSERT(wlen > 1);
clearCLK();
valb = RecDataBitShort() ? 1 : 0;
valw = RecDataWord(wlen - 1, lsb);
if (lsb)
{
return (valw << 1) | valb;
}
else
{
return (valb << (wlen - 1)) | valw;
}
}
int MicroWireBus::WaitReadyAfterWrite(long timeout)
{
clearCLK();
ClearReset(); //27/05/98
ShotDelay();
SetReset(); //27/05/98
ShotDelay();
clearCLK();
long k;
for (k = timeout; k > 0 && !getDO(); k--)
{
WaitUsec(1);
}
qDebug() << Q_FUNC_INFO << "=" << k;
return k ? OK : E2P_TIMEOUT;
}
int MicroWireBus::Reset(void)
{
qDebug() << Q_FUNC_INFO;
SetDelay();
clearCLK();
//clearDI(); //27/05/98
setDI();
ClearReset(); //Pulse the reset
WaitMsec(1); //27/05/98
SetReset();
WaitMsec(50);
return OK;
}
int MicroWireBus::CalcAddressSize(int mem_size) const
{
if (mem_size-- <= 0)
{
return -1;
}
int k;
for (k = 15; k > 0; k--)
{
if (mem_size & (1 << k))
{
break;
}
}
return k + 1;
}
|
