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
|
/*
* 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 Library 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.
*
* AnymauDMX.cpp
* The synchronous and asynchronous Anyma uDMX widgets.
* Copyright (C) 2014 Simon Newton
*/
#include "plugins/usbdmx/AnymauDMX.h"
#include <unistd.h>
#include <string>
#include "libs/usb/LibUsbAdaptor.h"
#include "ola/Logging.h"
#include "ola/Constants.h"
#include "plugins/usbdmx/AsyncUsbSender.h"
#include "plugins/usbdmx/ThreadedUsbSender.h"
namespace ola {
namespace plugin {
namespace usbdmx {
using std::string;
using ola::usb::LibUsbAdaptor;
namespace {
static const unsigned int URB_TIMEOUT_MS = 500;
static const unsigned int UDMX_SET_CHANNEL_RANGE = 0x0002;
} // namespace
// AnymaThreadedSender
// -----------------------------------------------------------------------------
/*
* Sends messages to a Anyma device in a separate thread.
*/
class AnymaThreadedSender: public ThreadedUsbSender {
public:
AnymaThreadedSender(LibUsbAdaptor *adaptor,
libusb_device *usb_device,
libusb_device_handle *handle)
: ThreadedUsbSender(usb_device, handle),
m_adaptor(adaptor) {
}
private:
LibUsbAdaptor* const m_adaptor;
bool TransmitBuffer(libusb_device_handle *handle,
const DmxBuffer &buffer);
};
bool AnymaThreadedSender::TransmitBuffer(libusb_device_handle *handle,
const DmxBuffer &buffer) {
int r = m_adaptor->ControlTransfer(
handle,
LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE |
LIBUSB_ENDPOINT_OUT, // bmRequestType
UDMX_SET_CHANNEL_RANGE, // bRequest
buffer.Size(), // wValue
0, // wIndex
const_cast<unsigned char*>(buffer.GetRaw()), // data
buffer.Size(), // wLength
URB_TIMEOUT_MS); // timeout
// Sometimes we get PIPE errors here, those are non-fatal
return r > 0 || r == LIBUSB_ERROR_PIPE;
}
// SynchronousAnymauDMX
// -----------------------------------------------------------------------------
SynchronousAnymauDMX::SynchronousAnymauDMX(LibUsbAdaptor *adaptor,
libusb_device *usb_device,
const string &serial)
: AnymauDMX(adaptor, usb_device, serial) {
}
bool SynchronousAnymauDMX::Init() {
libusb_device_handle *usb_handle;
bool ok = m_adaptor->OpenDeviceAndClaimInterface(
m_usb_device, 0, &usb_handle);
if (!ok) {
return false;
}
std::auto_ptr<AnymaThreadedSender> sender(
new AnymaThreadedSender(m_adaptor, m_usb_device, usb_handle));
if (!sender->Start()) {
return false;
}
m_sender.reset(sender.release());
return true;
}
bool SynchronousAnymauDMX::SendDMX(const DmxBuffer &buffer) {
return m_sender.get() ? m_sender->SendDMX(buffer) : false;
}
// AnymaAsyncUsbSender
// -----------------------------------------------------------------------------
class AnymaAsyncUsbSender : public AsyncUsbSender {
public:
AnymaAsyncUsbSender(LibUsbAdaptor *adaptor, libusb_device *usb_device)
: AsyncUsbSender(adaptor, usb_device) {
m_control_setup_buffer =
new uint8_t[LIBUSB_CONTROL_SETUP_SIZE + DMX_UNIVERSE_SIZE];
}
~AnymaAsyncUsbSender() {
CancelTransfer();
delete[] m_control_setup_buffer;
}
libusb_device_handle* SetupHandle() {
libusb_device_handle *usb_handle;
bool ok = m_adaptor->OpenDeviceAndClaimInterface(
m_usb_device, 0, &usb_handle);
return ok ? usb_handle : NULL;
}
bool PerformTransfer(const DmxBuffer &buffer) {
m_adaptor->FillControlSetup(
m_control_setup_buffer,
LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE |
LIBUSB_ENDPOINT_OUT, // bmRequestType
UDMX_SET_CHANNEL_RANGE, // bRequest
buffer.Size(), // wValue
0, // wIndex
buffer.Size()); // wLength
unsigned int length = DMX_UNIVERSE_SIZE;
buffer.Get(m_control_setup_buffer + LIBUSB_CONTROL_SETUP_SIZE, &length);
FillControlTransfer(m_control_setup_buffer, URB_TIMEOUT_MS);
return (SubmitTransfer() == 0);
}
private:
uint8_t *m_control_setup_buffer;
DISALLOW_COPY_AND_ASSIGN(AnymaAsyncUsbSender);
};
// AsynchronousAnymauDMX
// -----------------------------------------------------------------------------
AsynchronousAnymauDMX::AsynchronousAnymauDMX(
LibUsbAdaptor *adaptor,
libusb_device *usb_device,
const string &serial)
: AnymauDMX(adaptor, usb_device, serial) {
m_sender.reset(new AnymaAsyncUsbSender(m_adaptor, usb_device));
}
bool AsynchronousAnymauDMX::Init() {
return m_sender->Init();
}
bool AsynchronousAnymauDMX::SendDMX(const DmxBuffer &buffer) {
return m_sender->SendDMX(buffer);
}
} // namespace usbdmx
} // namespace plugin
} // namespace ola
|
