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
|
// SPDX-License-Identifier: GPL-2.0+
/*******************************************************************************
* QtMips - MIPS 32-bit Architecture Subset Simulator
*
* Implemented to support following courses:
*
* B35APO - Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b35apo
*
* B4M35PAP - Advanced Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
*
* Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
* Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Faculty of Electrical Engineering (http://www.fel.cvut.cz)
* Czech Technical University (http://www.cvut.cz/)
*
* 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 version 2
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
******************************************************************************/
#include "peripspiled.h"
using namespace machine;
#define SPILED_REG_LED_LINE_o 0x004
#define SPILED_REG_LED_RGB1_o 0x010
#define SPILED_REG_LED_RGB2_o 0x014
#define SPILED_REG_LED_KBDWR_DIRECT_o 0x018
#define SPILED_REG_KBDRD_KNOBS_DIRECT_o 0x020
#define SPILED_REG_KNOBS_8BIT_o 0x024
PeripSpiLed::PeripSpiLed() {
change_counter = 0;
spiled_reg_led_line = 0;
spiled_reg_led_rgb1 = 0;
spiled_reg_led_rgb2 = 0;
spiled_reg_led_kbdwr_direct = 0;
spiled_reg_kbdrd_knobs_direct = 0;
spiled_reg_knobs_8bit = 0;
}
PeripSpiLed::~PeripSpiLed() {
}
bool PeripSpiLed::wword(std::uint32_t address, std::uint32_t value) {
bool changed = false;
#if 0
printf("PeripSpiLed::wword address 0x%08lx data 0x%08lx\n",
(unsigned long)address, (unsigned long)value);
#endif
switch (address & ~3) {
case SPILED_REG_LED_LINE_o:
if (spiled_reg_led_line == value)
break;
spiled_reg_led_line = value;
emit led_line_changed(value);
break;
case SPILED_REG_LED_RGB1_o:
if (spiled_reg_led_rgb1 == value)
break;
spiled_reg_led_rgb1 = value;
emit led_rgb1_changed(value);
break;
case SPILED_REG_LED_RGB2_o:
if (spiled_reg_led_rgb2 == value)
break;
spiled_reg_led_rgb2 = value;
emit led_rgb2_changed(value);
break;
default:
break;
}
emit write_notification(address, value);
if (changed)
change_counter++;
return changed;
}
std::uint32_t PeripSpiLed::rword(std::uint32_t address, bool debug_access) const {
(void)debug_access;
std::uint32_t value = 0x00000000;
switch (address & ~3) {
case SPILED_REG_LED_LINE_o:
value = spiled_reg_led_line;
break;
case SPILED_REG_LED_RGB1_o:
value = spiled_reg_led_rgb1;
break;
case SPILED_REG_LED_RGB2_o:
value = spiled_reg_led_rgb2;
break;
case SPILED_REG_LED_KBDWR_DIRECT_o:
value = spiled_reg_led_kbdwr_direct;
break;
case SPILED_REG_KBDRD_KNOBS_DIRECT_o:
value = spiled_reg_kbdrd_knobs_direct;
break;
case SPILED_REG_KNOBS_8BIT_o:
value = spiled_reg_knobs_8bit;
break;
default:
break;
}
emit read_notification(address, &value);
#if 0
printf("PeripSpiLed::rword address 0x%08lx value 0x%08lx\n",
(unsigned long)address, (unsigned long)value);
#endif
return value;
}
std::uint32_t PeripSpiLed::get_change_counter() const {
return change_counter;
}
void PeripSpiLed::knob_update_notify(std::uint32_t val, std::uint32_t mask, int shift) {
mask <<= shift;
val <<= shift;
if (!((spiled_reg_knobs_8bit ^ val) & mask))
return;
spiled_reg_knobs_8bit &= ~mask;
spiled_reg_knobs_8bit |= val;
change_counter++;
emit external_change_notify(this, SPILED_REG_KNOBS_8BIT_o,
SPILED_REG_KNOBS_8BIT_o + 3, true);
}
void PeripSpiLed::red_knob_update(int val) {
knob_update_notify(val, 0xff, 16);
}
void PeripSpiLed::green_knob_update(int val) {
knob_update_notify(val, 0xff, 8);
}
void PeripSpiLed::blue_knob_update(int val) {
knob_update_notify(val, 0xff, 0);
}
void PeripSpiLed::red_knob_push(bool state) {
knob_update_notify(state? 1: 0, 1, 26);
}
void PeripSpiLed::green_knob_push(bool state) {
knob_update_notify(state? 1: 0, 1, 25);
}
void PeripSpiLed::blue_knob_push(bool state) {
knob_update_notify(state? 1: 0, 1, 24);
}
|
