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
|
/**************************************************************************/
/*!
@file mouse_host_app.c
@author hathach (tinyusb.org)
@section LICENSE
Software License Agreement (BSD License)
Copyright (c) 2013, hathach (tinyusb.org)
All rights reserved.
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 copyright holders 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 COPYRIGHT HOLDERS ''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 COPYRIGHT HOLDER 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.
This file is part of the tinyusb stack.
*/
/**************************************************************************/
//--------------------------------------------------------------------+
// INCLUDE
//--------------------------------------------------------------------+
#include "mouse_host_app.h"
#include "app_os_prio.h"
#if TUSB_CFG_HOST_HID_MOUSE
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
#define QUEUE_MOUSE_REPORT_DEPTH 4
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
static osal_queue_t queue_mouse_hdl;
TUSB_CFG_ATTR_USBRAM static hid_mouse_report_t usb_mouse_report;
static inline void process_mouse_report(hid_mouse_report_t const * p_report);
//--------------------------------------------------------------------+
// tinyusb callbacks
//--------------------------------------------------------------------+
void tuh_hid_mouse_mounted_cb(uint8_t dev_addr)
{
// application set-up
printf("\na Mouse device (address %d) is mounted\n", dev_addr);
osal_queue_flush(queue_mouse_hdl);
(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report); // first report
}
void tuh_hid_mouse_unmounted_cb(uint8_t dev_addr)
{
// application tear-down
printf("\na Mouse device (address %d) is unmounted\n", dev_addr);
}
// invoked ISR context
void tuh_hid_mouse_isr(uint8_t dev_addr, tusb_event_t event)
{
switch(event)
{
case TUSB_EVENT_XFER_COMPLETE:
osal_queue_send(queue_mouse_hdl, &usb_mouse_report);
(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report);
break;
case TUSB_EVENT_XFER_ERROR:
(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report); // ignore & continue
break;
default :
break;
}
}
//--------------------------------------------------------------------+
// APPLICATION CODE
// NOTICE: MOUSE REPORT IS NOT CORRECT UNTIL A DECENT HID PARSER IS
// IMPLEMENTED, MEANWHILE IT CAN MISS DISPLAY BUTTONS OR X,Y etc
//--------------------------------------------------------------------+
void mouse_host_app_init(void)
{
memclr_(&usb_mouse_report, sizeof(hid_mouse_report_t));
queue_mouse_hdl = osal_queue_create( QUEUE_MOUSE_REPORT_DEPTH, sizeof(hid_mouse_report_t) );
ASSERT_PTR( queue_mouse_hdl, VOID_RETURN);
VERIFY( osal_task_create(mouse_host_app_task, "mouse", 128, NULL, MOUSE_APP_TASK_PRIO), );
}
//------------- main task -------------//
void mouse_host_app_task(void* param)
{
(void) param;
OSAL_TASK_BEGIN
tusb_error_t error;
hid_mouse_report_t mouse_report;
osal_queue_receive(queue_mouse_hdl, &mouse_report, OSAL_TIMEOUT_WAIT_FOREVER, &error);
(void) error; // suppress compiler's warnings
process_mouse_report(&mouse_report);
OSAL_TASK_END
}
//--------------------------------------------------------------------+
// HELPER
//--------------------------------------------------------------------+
void cursor_movement(int8_t x, int8_t y, int8_t wheel)
{
//------------- X -------------//
if ( x < 0)
{
printf(ANSI_CURSOR_BACKWARD(%d), (-x)); // move left
}else if ( x > 0)
{
printf(ANSI_CURSOR_FORWARD(%d), x); // move right
}else { }
//------------- Y -------------//
if ( y < 0)
{
printf(ANSI_CURSOR_UP(%d), (-y)); // move up
}else if ( y > 0)
{
printf(ANSI_CURSOR_DOWN(%d), y); // move down
}else { }
//------------- wheel -------------//
if (wheel < 0)
{
printf(ANSI_SCROLL_UP(%d), (-wheel)); // scroll up
}else if (wheel > 0)
{
printf(ANSI_SCROLL_DOWN(%d), wheel); // scroll down
}else { }
}
static inline void process_mouse_report(hid_mouse_report_t const * p_report)
{
static hid_mouse_report_t prev_report = { 0, 0, 0, 0 };
//------------- button state -------------//
uint8_t button_changed_mask = p_report->buttons ^ prev_report.buttons;
if ( button_changed_mask & p_report->buttons)
{
printf(" %c%c%c ",
p_report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-',
p_report->buttons & MOUSE_BUTTON_MIDDLE ? 'M' : '-',
p_report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-');
}
//------------- cursor movement -------------//
cursor_movement(p_report->x, p_report->y, p_report->wheel);
}
#endif
|
