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
|
/*
* Copyright 2009-2011 Oleg Mazurov, Circuits At Home, http://www.circuitsathome.com
* MAX3421E USB host controller support
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the authors nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* Mouse communication via control endpoint */
#include <spi.h>
#include <max3421e.h>
#include <usb.h>
#define DEVADDR 1
#define CONFVALUE 1
void setup();
void loop();
MAX3421E Max;
USB Usb;
void setup()
{
Serial.begin( 115200 );
Serial.println("Start");
Max.powerOn();
delay( 200 );
}
void loop()
{
byte rcode;
Max.Task();
Usb.Task();
if( Usb.getUsbTaskState() == USB_STATE_CONFIGURING ) {
mouse0_init();
}//if( Usb.getUsbTaskState() == USB_STATE_CONFIGURING...
if( Usb.getUsbTaskState() == USB_STATE_RUNNING ) { //poll the keyboard
rcode = mouse0_poll();
if( rcode ) {
Serial.print("Mouse Poll Error: ");
Serial.println( rcode, HEX );
}//if( rcode...
}//if( Usb.getUsbTaskState() == USB_STATE_RUNNING...
}
/* Initialize mouse */
void mouse0_init( void )
{
byte rcode = 0; //return code
/**/
Usb.setDevTableEntry( 1, Usb.getDevTableEntry( 0,0 ) ); //copy device 0 endpoint information to device 1
/* Configure device */
rcode = Usb.setConf( DEVADDR, 0, CONFVALUE );
if( rcode ) {
Serial.print("Error configuring mouse. Return code : ");
Serial.println( rcode, HEX );
while(1); //stop
}//if( rcode...
Usb.setUsbTaskState( USB_STATE_RUNNING );
return;
}
/* Poll mouse using Get Report and print result */
byte mouse0_poll( void )
{
byte rcode,i;
char buf[ 4 ] = { 0 }; //mouse buffer
static char old_buf[ 4 ] = { 0 }; //last poll
/* poll mouse */
rcode = Usb.getReport( DEVADDR, 0, 4, 0, 1, 0, buf );
if( rcode ) { //error
return( rcode );
}
for( i = 0; i < 4; i++) { //check for new information
if( buf[ i ] != old_buf[ i ] ) { //new info in buffer
break;
}
}
if( i == 4 ) {
return( 0 ); //all bytes are the same
}
/* print buffer */
if( buf[ 0 ] & 0x01 ) {
Serial.print("Button1 pressed ");
}
if( buf[ 0 ] & 0x02 ) {
Serial.print("Button2 pressed ");
}
if( buf[ 0 ] & 0x04 ) {
Serial.print("Button3 pressed ");
}
Serial.println("");
Serial.print("X-axis: ");
Serial.println( buf[ 1 ], DEC);
Serial.print("Y-axis: ");
Serial.println( buf[ 2 ], DEC);
Serial.print("Wheel: ");
Serial.println( buf[ 3 ], DEC);
for( i = 0; i < 4; i++ ) {
old_buf[ i ] = buf[ i ]; //copy buffer
}
Serial.println("");
return( rcode );
}
|
