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
|
// Xcos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
// Copyright 2011 - Bernard DUJARDIN <bernard.dujardin@contrib.scilab.org>
//
// 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 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.
//
// See the file ../license.txt
//
function [x,y,typ]=EXTRACTBITS(job,arg1,arg2)
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics;exprs=graphics.exprs
model=arg1.model;
while %t do
[ok,Datatype,rule,bit,scal,exprs]=scicos_getvalue( ..
[msprintf(gettext("Set %s block parameters"),"EXTRACTBITS");" "; gettext("Bits Extraction");" "; ..
gettext(" - Bits to Extract:"); ..
gettext(" 1 Upper Half"); gettext(" 2 Lower Half"); ..
gettext(" 3 Range from MSB"); gettext(" 4 Range to LSB"); ..
gettext(" 5 Range of Bits"); gettext(" - Number of Bits or Index of bit : Index 0 is LSB"); ..
gettext(" If ''Bits to Extract'' is set to ''Range of bits'': [Start, End]");" "],..
[msprintf(gettext("Data Type %s"), "(3:int32, 4:int16, 5:int8, ...)"); gettext("Bits to extract"); ..
gettext("Number of Bits or Index of Bit"); gettext("Treat Bit Field as an Integer (0:No, 1:Yes)")],..
list("vec",1,"vec",1,"vec",-1,"vec",1), exprs);
if ~ok then
break,
end
bitstr = strcat(string(bit(:))," ")
if (rule < 1) | (rule > 5) then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %d."), gettext("Bits to Extract"), rule), ..
msprintf(gettext("Must be in the interval %s."), "[1, 5]"));
ok = %f;
elseif scal < 0 | scal > 1 then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %d."), gettext("Treat Bit Field as an Integer"), scal), ..
msprintf(gettext("Must be in the interval %s."), "[0, 1]"));
ok = %f
else
in=[model.in model.in2];
bit=int(bit);
rule=int(rule);
if (rule==3)|(rule==4) then
if (size(bit,"*") ~= 1) then
block_parameter_error(msprintf(gettext("Wrong size for ''%s'' parameter: %s."), gettext("Number of Bits or Index of Bit"), bitstr), ..
gettext("Must be a single value."));
ok=%f;
else
numb=bit;
end
elseif (rule==5)
if (size(bit,"*") ~= 2) then
block_parameter_error(msprintf(gettext("Wrong size for ''%s'' parameter: %s."), gettext("Number of Bits or Index of Bit"), bitstr), ..
gettext("Must have this form: [Start, End]."));
ok=%f;
elseif bit(1) > bit(2) then
block_parameter_error(msprintf(gettext("Wrong values for ''%s'' parameter: %s."), gettext("Number of Bits or Index of Bit"), bitstr), ..
msprintf(gettext("''Start'' must be less than ''End''.")));
ok=%f;
else
numb=bit(2)-bit(1);
end ;
else
bit=0;
numb=[]
end
end
if ok then
if (Datatype==3 | Datatype==6) then
if or(bit(:) > 31) | or(bit(:) < 0) then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %s."), gettext("Number of Bits or Index of Bit"), bitstr), ..
msprintf(gettext("Indexes must be in the interval %s."), "[0, 31]"));
ok=%f;
end
select rule
case 1 then
select scal
case 0 then
model.sim=list("extract_bit_32_UH0",4)
case 1 then
select Datatype
case 3 then
model.sim=list("extract_bit_32_UH1",4)
case 6 then
model.sim=list("extract_bit_u32_UH1",4)
end
end
case 2 then
model.sim=list("extract_bit_32_LH",4)
case 3 then
select scal
case 0 then
model.sim=list("extract_bit_32_MSB0",4)
case 1 then
select Datatype
case 3 then
model.sim=list("extract_bit_32_MSB1",4)
case 6 then
model.sim=list("extract_bit_u32_MSB1",4)
end
end
case 4 then
model.sim=list("extract_bit_32_LSB",4)
case 5 then
select scal
case 0 then
model.sim=list("extract_bit_32_RB0",4)
case 1 then
select Datatype
case 3 then
model.sim=list("extract_bit_32_RB1",4)
case 6 then
model.sim=list("extract_bit_u32_RB1",4)
end
end
end
elseif (Datatype==4 | Datatype==7) then
if or(bit(:) > 15) | or(bit(:) < 0) then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %s."), gettext("Number of Bits or Index of Bit"), bitstr), ..
msprintf(gettext("Indexes must be in the interval %s."), "[0, 15]"));
ok=%f;
end
select rule
case 1 then
select scal
case 0 then
model.sim=list("extract_bit_16_UH0",4)
case 1 then
select Datatype
case 4 then
model.sim=list("extract_bit_16_UH1",4)
case 7 then
model.sim=list("extract_bit_u16_UH1",4)
end
end
case 2 then
model.sim=list("extract_bit_16_LH",4)
case 3 then
select scal
case 0 then
model.sim=list("extract_bit_16_MSB0",4)
case 1 then
select Datatype
case 4 then
model.sim=list("extract_bit_16_MSB1",4)
case 7 then
model.sim=list("extract_bit_u16_MSB1",4)
end
end
case 4 then
model.sim=list("extract_bit_16_LSB",4)
case 5 then
select scal
case 0 then
model.sim=list("extract_bit_16_RB0",4)
case 1 then
select Datatype
case 4 then
model.sim=list("extract_bit_16_RB1",4)
case 7 then
model.sim=list("extract_bit_u16_RB1",4)
end
end
end
elseif (Datatype == 5 | Datatype == 8) then
if or(bit(:) > 7) | or(bit(:) < 0) then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %s."), gettext("Number of Bits or Index of Bit"), bitstr), ..
msprintf(gettext("Indexes must be in the interval %s."), "[0, 7]"));
ok=%f;
end
select rule
case 1 then
select scal
case 0 then
model.sim=list("extract_bit_8_UH0",4)
case 1 then
select Datatype
case 5 then
model.sim=list("extract_bit_8_UH1",4)
case 8 then
model.sim=list("extract_bit_u8_UH1",4)
end
end
case 2 then
model.sim=list("extract_bit_8_LH",4)
case 3 then
select scal
case 0 then
model.sim=list("extract_bit_8_MSB0",4)
case 1 then
select Datatype
case 5 then
model.sim=list("extract_bit_8_MSB1",4)
case 8 then
model.sim=list("extract_bit_u8_MSB1",4)
end
end
case 4 then
model.sim=list("extract_bit_8_LSB",4)
case 5 then
select scal
case 0 then
model.sim=list("extract_bit_8_RB0",4)
case 1 then
select Datatype
case 5 then
model.sim=list("extract_bit_8_RB1",4)
case 8 then
model.sim=list("extract_bit_u8_RB1",4)
end
end
end
else
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %d."), gettext("Data Type"), Datatype), ..
msprintf(gettext("Must be in the interval %s."), "[3, 8]"));
ok=%f;
end
end
if ok then
it=Datatype
ot=Datatype
out=[1 1]
[model,graphics,ok]=set_io(model,graphics,list(in,it),list(out,ot),[],[])
end
if ok then
graphics.exprs=exprs;
model.ipar=[int(bit(:));int(numb(:))];
x.graphics=graphics;
x.model=model;
break
end
end
case "define" then
numb=[];
model=scicos_model()
model.sim=list("extract_bit_32_UH0",4)
model.in=1
model.in2=1
model.out=1
model.out2=1;
model.intyp=3
model.outtyp=3
model.ipar=[0,numb]
model.blocktype="c"
model.dep_ut=[%t %f]
exprs=[sci2exp(3);sci2exp(1);sci2exp(0);sci2exp(0)]
gr_i=[]
x=standard_define([4 2],model,exprs,gr_i)
end
endfunction
|
