forked from ronangaillard/logitech-mouse
-
Notifications
You must be signed in to change notification settings - Fork 0
/
logitech-mouse.cpp
234 lines (175 loc) · 5.19 KB
/
logitech-mouse.cpp
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
/*
Copyright (C) 2017 Ronan Gaillard <[email protected]>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
#include "logitech-mouse.h"
#ifdef EEPROM_SUPPORT
#include <EEPROM.h>
#endif
logiMouse::logiMouse(uint8_t _cepin, uint8_t _cspin) : radio(_cepin, _cspin)
{
}
logiMouse::logiMouse() : logiMouse(DEFAULT_CE_PIN, DEFAULT_CS_PIN)
{
}
void logiMouse::setAddress(uint64_t address)
{
setAddress((uint8_t *)&address);
}
void logiMouse::setAddress(uint8_t *address)
{
uint8_t address_dongle[5];
memcpy(address_dongle, address, 4);
address_dongle[0] = 0;
radio.stopListening();
radio.openReadingPipe(2, address_dongle);
radio.openReadingPipe(1, address);
radio.openWritingPipe(address);
}
bool logiMouse::begin()
{
uint8_t init_status = radio.begin();
if (init_status == 0 || init_status == 0xff)
{
return false;
}
radio.stopListening();
radio.setAutoAck(1);
radio.setRetries(3, 1);
radio.setPayloadSize(PAYLOAD_SIZE);
radio.enableDynamicPayloads();
radio.enableAckPayload();
radio.enableDynamicAck();
radio.openWritingPipe(PAIRING_MAC_ADDRESS);
radio.openReadingPipe(1, PAIRING_MAC_ADDRESS);
radio.setChannel(CHANNEL);
radio.setDataRate(RF24_2MBPS);
radio.stopListening();
return true;
}
void logiMouse::setChecksum(uint8_t *payload, uint8_t len)
{
uint8_t checksum = 0;
for (uint8_t i = 0; i < (len - 1); i++)
checksum += payload[i];
payload[len - 1] = -checksum;
}
bool logiMouse::pairingStep(uint8_t *pairing_packet, uint8_t *pairing_packet_small, uint8_t *ack_payload, uint8_t timeout)
{
bool keep_going = true;
uint8_t loop_counter = timeout;
while (keep_going && (timeout == 0 || loop_counter > 0))
{
if (radio.available())
break;
while (!radio.write(pairing_packet, 22, 0) && (timeout == 0 || loop_counter > 0))
loop_counter--;
if (radio.available())
break;
while (keep_going && (timeout == 0 || loop_counter > 0))
{
if (radio.write(pairing_packet_small, 5, 0))
if (radio.available())
keep_going = false;
loop_counter--;
}
}
radio.read(ack_payload, 22);
return (timeout == 0 || loop_counter > 0);
}
bool logiMouse::pair()
{
return pair(0);
}
bool logiMouse::pair(uint8_t timeout)
{
uint8_t buffer[22];
uint8_t loop_counter = timeout;
/* Pairing step 1 */
if(!pairingStep(pairing_packet_1, pairing_packet_1_bis, buffer, timeout))
return false;
/* Generate dongle and device address */
uint8_t new_add[5];
for (int i = 0; i < 5; i++)
new_add[i] = buffer[3 + (4 - i)];
setAddress(new_add);
/* Pairing step 2 */
if(!pairingStep(pairing_packet_2, pairing_packet_2_bis, buffer, timeout))
return false;
/* Pairing step 3 */
if(!pairingStep(pairing_packet_3, pairing_packet_3_bis, buffer, timeout))
return false;
/* Pairing step 4 */
while (!radio.write(pairing_packet_4, 22, 0) && (timeout == 0 || loop_counter > 0) )
loop_counter--;
if(!(timeout == 0 || loop_counter > 0))
return false;
#ifdef EEPROM_SUPPORT
/* Save address to eeprom */
for (int i = 0; i < 5; i++)
{
EEPROM.write(MAC_ADDRESS_EEPROM_ADDRESS + i, new_add[i]);
}
#endif
}
bool logiMouse::reconnect()
{
#ifndef EEPROM_SUPPORT
#warning "EEPROM support is not enabled"
return false;
#else
uint8_t new_add[5];
for (int i = 0; i < 5; i++)
new_add[i] = EEPROM.read(MAC_ADDRESS_EEPROM_ADDRESS + i);
setAddress(new_add);
if(pair(255))
return true;
else {
setAddress(PAIRING_MAC_ADDRESS);
return false;
}
#endif
}
void logiMouse::move(uint16_t x_move, uint16_t y_move)
{
move(x_move, y_move, false, false);
}
void logiMouse::move(uint16_t x_move, uint16_t y_move, bool leftClick, bool rightClick)
{
move(x_move, y_move, 0, 0, false, false);
}
void logiMouse::move(uint16_t x_move, uint16_t y_move, uint8_t scroll_v, uint8_t scroll_h)
{
move(x_move, y_move, scroll_v, scroll_h, false, false);
}
void logiMouse::move(uint16_t x_move, uint16_t y_move, uint8_t scroll_v, uint8_t scroll_h, bool leftClick, bool rightClick)
{
uint8_t mouse_payload[] = {0x00, 0xC2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
uint32_t cursor_velocity;
cursor_velocity = ((uint32_t)y_move & 0xFFF) << 12 | (x_move & 0xFFF);
memcpy(mouse_payload + 4, &cursor_velocity, 3);
if(leftClick)
mouse_payload[2] = 1;
if(rightClick)
mouse_payload[2] |= 1 << 1;
mouse_payload[7] = scroll_v;
mouse_payload[8] = scroll_h;
setChecksum(mouse_payload, 10);
while (!radio.write(mouse_payload, 10, 0))
{
}
radio.flush_rx();
}
void logiMouse::click(bool leftClick, bool rightClick) {
move(0, 0, leftClick, rightClick);
}
void logiMouse::scroll(uint8_t scroll_v, uint8_t scroll_h)
{
move(0, 0, scroll_v, scroll_h, false, false);
}
void logiMouse::scroll(uint8_t scroll_v)
{
scroll(scroll_v, 0);
}