-
Notifications
You must be signed in to change notification settings - Fork 11
/
Copy pathOpenDMXUSB.cs
300 lines (278 loc) · 11.7 KB
/
OpenDMXUSB.cs
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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
using Sniper.Lighting.DMX.Properties;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using FT_HANDLE = System.UInt32;
namespace Sniper.Lighting.DMX
{
public class OpenDMXUSB : DMXProUSB
{
[System.Runtime.ExceptionServices.HandleProcessCorruptedStateExceptions]
public override bool start()
{
if (startLock == null)
{
startLock = new object();
}
try
{
lock (startLock)
{
if (!Connected)
{
if (buffer == null)
{
buffer = new byte[busLength]; // can be any length up to 512. The shorter the faster.
}
handle = 0;
StartDMXWriteThread();
if (FTDI_OpenDevice(0, ref status))
{
if (status == FT_STATUS.FT_OK)
{
// FT_Open OK, use ftHandle to access device
Connected = true;
byte value = 0;
for (int channel = 0; channel < buffer.Length; channel++)
{
value = 0;
if (defaults != null)
{
value = defaults.Values[channel];
}
else
{
value = 0;
}
if (limits != null)
{
if (value < limits.Min[channel]) value = limits.Min[channel];
}
//initial state of channel is set here
SetDmxValue(channel, value, Guid.Empty, 1);
}
return true;
}
else
{
Connected = false;
}
}
else
{
Connected = false;
}
}
}
}
catch
{
stop();
Connected = false;
}
return false;
}
protected override bool FTDI_OpenDevice(int device_num, ref FT_STATUS status)
{
//return false;
uint RTimeout = 120;
uint WTimeout = 100;
int VersionMSB = 0;
int VersionLSB = 0;
uint[] temp = new uint[4];
uint version = 0;
uint major_ver, minor_ver, build_ver;
int recvd = 0;
byte[] singleBuff = new byte[1];
int size = 0;
bool res = false;
int tries = 0;
byte latencyTimer = (byte)0;
int BreakTime;
int MABTime;
DMXUSBPROParamsType PRO_Params;
// Try at least 3 times
StartCounter++;
Console.WriteLine("\n------ D2XX ------- Opening [Device {0}] ------ Try {1}", device_num, StartCounter);
// Open the PRO
try
{
status = FT_Open((uint)device_num, ref handle);
if (status != FT_STATUS.FT_OK)
{
return false;
}
else
{
Connected = true;
status = FT_ResetDevice(handle);
status = FT_SetDivisor(handle, (char)12); // set baud rate
status = FT_SetDataCharacteristics(handle, BITS_8, STOP_BITS_2, PARITY_NONE);
status = FT_SetFlowControl(handle, (char)FLOW_NONE, 0, 0);
status = FT_ClrRts(handle);
status = FT_Purge(handle, PURGE_TX);
status = FT_Purge(handle, PURGE_RX);
// GET D2XX Driver Version
status = FT_GetDriverVersion(handle, ref version);
if (status == FT_STATUS.FT_OK)
{
major_ver = (uint)version >> 16;
minor_ver = (uint)version >> 8;
build_ver = (uint)version & 0xFF;
Console.WriteLine("D2XX Driver Version:: {0:x2}.{1:x2}.{2:x2}", major_ver, minor_ver, build_ver);
}
else
Console.WriteLine("Unable to Get D2XX Driver Version");
//// GET Latency Timer
status = FT_GetLatencyTimer(handle, ref latencyTimer);
if (status == FT_STATUS.FT_OK)
Console.WriteLine("Latency Timer:: {0} ", latencyTimer);
else
Console.WriteLine("Unable to Get Latency Timer");
//// SET Default Read & Write Timeouts (in micro sec ~ 100)
FT_SetTimeouts(handle, RTimeout, WTimeout);
//// Piurges the buffer
FT_Purge(handle, PURGE_RX);
//// Send Get Widget Parameters to get Device Info
Console.WriteLine("Sending GET_WIDGET_PARAMS packet... ");
FT_Purge(handle, PURGE_TX);
res = FTDI_SendData(handle, GET_WIDGET_PARAMS, new byte[2], ref status);
//// Check Response
if (res != NO_RESPONSE)
{
Console.WriteLine("PRO Connected Succesfully");
// //// Receive Widget Response
// Console.WriteLine("Waiting for GET_WIDGET_PARAMS_REPLY packet... ");
// PRO_Params = new DMXUSBPROParamsType();
// byte[] paramsBuff = new byte[Marshal.SizeOf(PRO_Params)];
// res = FTDI_ReceiveData(handle, GET_WIDGET_PARAMS_REPLY, paramsBuff, paramsBuff.Length);
// PRO_Params.UserSizeLSB = paramsBuff[0];
// PRO_Params.UserSizeMSB = paramsBuff[1];
// PRO_Params.BreakTime = paramsBuff[2];
// PRO_Params.MaBTime = paramsBuff[3];
// PRO_Params.RefreshRate = paramsBuff[4];
// //// Check Response
// if (res == NO_RESPONSE)
// {
// //Receive Widget Response packet
// res = FTDI_ReceiveData(handle, GET_WIDGET_PARAMS_REPLY, paramsBuff, paramsBuff.Length);
// PRO_Params.UserSizeLSB = paramsBuff[0];
// PRO_Params.UserSizeMSB = paramsBuff[1];
// PRO_Params.BreakTime = paramsBuff[2];
// PRO_Params.MaBTime = paramsBuff[3];
// PRO_Params.RefreshRate = paramsBuff[4];
// if (res == NO_RESPONSE)
// {
// FTDI_ClosePort();
// return NO_RESPONSE;
// }
// }
// else
// Console.WriteLine("GET WIDGET REPLY Received ... ");
// //// Firmware Version
// VersionMSB = PRO_Params.UserSizeMSB;
// VersionLSB = PRO_Params.UserSizeLSB;
// //// GET PRO's serial number
// res = FTDI_SendData(handle, GET_WIDGET_SN, new byte[2], ref status);
// byte[] serialBuff = new byte[4];
// res = FTDI_ReceiveData(handle, GET_WIDGET_SN, serialBuff, 4);
// //// Display All PRO Parametrs & Info avialable
// Console.WriteLine("-----------::PRO Connected [Information Follows]::------------");
// Console.WriteLine("FIRMWARE VERSION: {0}.{1}", VersionMSB, VersionLSB);
// BreakTime = (int)(PRO_Params.BreakTime * 10.67) + 100;
// Console.WriteLine("BREAK TIME: {0} micro sec ", BreakTime);
// MABTime = (int)(PRO_Params.MaBTime * 10.67);
// Console.WriteLine("MAB TIME: {0} micro sec", MABTime);
// Console.WriteLine("SEND REFRESH RATE: {0} packets/sec", PRO_Params.RefreshRate);
// //// return success
return true;
}
else
{
return false;
}
}
}
catch
{
return false;
}
}
protected override void writeDMXBuffer()
{
while (!done)
{
try
{
newData = BuildBufferFromQueues();
if (Connected)
{
if (newData)
{
FT_SetBreakOn(handle);
FT_SetBreakOff(handle);
FT_STATUS status = FT_STATUS.FT_OK;
if (!FTDI_SendData(handle, SET_DMX_TX_MODE, (new byte[1]).Concat(buffer).ToArray(), ref status))
{
break;
}
newData = false;
}
System.Threading.Thread.Sleep(25);
}
else
{
System.Threading.Thread.Sleep(1000);
}
}
catch (Exception)
{
break;
}
}
Connected = false;
done = false;
}
protected override bool FTDI_SendData(FT_HANDLE handle, int label, byte[] data, ref FT_STATUS status)
{
if (Connected)
{
int bytes_written = 0;
// Form Packet Header
byte[] header = GetProHeader(label, data.Length);
byte[] footer = new byte[1] { DMX_END_CODE };
byte[] packet = header.Concat(data).Concat(footer).ToArray();
bytes_written = write(handle, data, data.Length);
if (bytes_written != data.Length)
{
return false;
}
if (status == FT_STATUS.FT_OK)
return true;
else
return false;
}
return false;
}
public override void stop()
{
byte value = 0;
for (int channel = 0; channel < buffer.Length; channel++)
{
if (limits != null)
{
if (value < limits.Min[channel]) value = limits.Min[channel];
}
buffer[channel] = value;
}
newData = true;
Thread.Sleep(200);
done = true;
FT_Close(handle);
handle = 0;
}
}
}