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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdlib.h> | |
21 | #include <stdio.h> | |
22 | #include <string.h> | |
23 | #include <glib.h> | |
25e7d9b1 | 24 | #include <sigrok.h> |
a1bb33af UH |
25 | |
26 | #define DEFAULT_BPL_BIN 64 | |
27 | #define DEFAULT_BPL_HEX 256 | |
28 | ||
29 | struct context { | |
afc8e4de | 30 | unsigned int num_enabled_probes; |
a1bb33af | 31 | int samples_per_line; |
afc8e4de | 32 | unsigned int unitsize; |
a1bb33af UH |
33 | int line_offset; |
34 | int linebuf_len; | |
35 | char *probelist[65]; | |
36 | char *linebuf; | |
37 | int spl_cnt; | |
38 | uint8_t *linevalues; | |
39 | char *header; | |
40 | }; | |
41 | ||
42 | ||
afc8e4de | 43 | static void flush_linebufs(struct context *ctx, char *outbuf) |
a1bb33af UH |
44 | { |
45 | static int max_probename_len = 0; | |
46 | int len, i; | |
47 | ||
48 | if(ctx->linebuf[0] == 0) | |
49 | return; | |
50 | ||
51 | if(max_probename_len == 0) { | |
52 | /* first time through */ | |
53 | for(i = 0; ctx->probelist[i]; i++) { | |
54 | len = strlen(ctx->probelist[i]); | |
55 | if(len > max_probename_len) | |
56 | max_probename_len = len; | |
57 | } | |
58 | } | |
59 | ||
60 | for(i = 0; ctx->probelist[i]; i++) { | |
61 | sprintf(outbuf + strlen(outbuf), "%*s:%s\n", max_probename_len, ctx->probelist[i], | |
62 | ctx->linebuf + i * ctx->linebuf_len); | |
63 | } | |
64 | memset(ctx->linebuf, 0, i * ctx->linebuf_len); | |
65 | ||
66 | } | |
67 | ||
68 | ||
5a8fda15 | 69 | static int init(struct output *o, int default_spl) |
a1bb33af UH |
70 | { |
71 | struct context *ctx; | |
72 | struct probe *probe; | |
73 | GSList *l; | |
74 | uint64_t samplerate; | |
75 | int num_probes; | |
25e7d9b1 | 76 | char *samplerate_s; |
a1bb33af UH |
77 | |
78 | ctx = malloc(sizeof(struct context)); | |
79 | o->internal = ctx; | |
80 | ctx->num_enabled_probes = 0; | |
81 | for(l = o->device->probes; l; l = l->next) { | |
82 | probe = l->data; | |
83 | if(probe->enabled) | |
84 | ctx->probelist[ctx->num_enabled_probes++] = probe->name; | |
85 | } | |
86 | ctx->probelist[ctx->num_enabled_probes] = 0; | |
87 | ctx->unitsize = (ctx->num_enabled_probes + 7) / 8; | |
88 | ctx->line_offset = 0; | |
89 | ctx->spl_cnt = 0; | |
90 | if(o->param && o->param[0]) | |
91 | ctx->samples_per_line = strtoul(o->param, NULL, 10); | |
92 | else | |
93 | ctx->samples_per_line = default_spl; | |
94 | ||
95 | ctx->header = malloc(512); | |
96 | num_probes = g_slist_length(o->device->probes); | |
4c100f32 | 97 | samplerate = *((uint64_t *) o->device->plugin->get_device_info(o->device->plugin_index, DI_CUR_SAMPLERATE)); |
a1bb33af | 98 | snprintf(ctx->header, 512, "Acquisition with %d/%d probes at ", ctx->num_enabled_probes, num_probes); |
25e7d9b1 UH |
99 | |
100 | if ((samplerate_s = sigrok_samplerate_string(samplerate)) == NULL) | |
101 | return -1; // FIXME | |
102 | snprintf(ctx->header + strlen(ctx->header), 512, "%s\n", samplerate_s); | |
103 | free(samplerate_s); | |
a1bb33af UH |
104 | |
105 | ctx->linebuf_len = ctx->samples_per_line * 2; | |
106 | ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len); | |
107 | ctx->linevalues = calloc(1, num_probes); | |
108 | ||
5a8fda15 | 109 | return 0; |
a1bb33af UH |
110 | } |
111 | ||
112 | ||
113 | static int event(struct output *o, int event_type, char **data_out, uint64_t *length_out) | |
114 | { | |
115 | struct context *ctx; | |
116 | int outsize; | |
117 | char *outbuf; | |
118 | ||
119 | ctx = o->internal; | |
120 | switch(event_type) { | |
121 | case DF_TRIGGER: | |
122 | break; | |
123 | case DF_END: | |
124 | outsize = ctx->num_enabled_probes * (ctx->samples_per_line + 20) + 512; | |
125 | outbuf = calloc(1, outsize); | |
afc8e4de | 126 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
127 | *data_out = outbuf; |
128 | *length_out = strlen(outbuf); | |
129 | free(o->internal); | |
130 | o->internal = NULL; | |
131 | break; | |
132 | } | |
133 | ||
134 | return SIGROK_OK; | |
135 | } | |
136 | ||
137 | ||
5a8fda15 | 138 | static int init_binary(struct output *o) |
a1bb33af UH |
139 | { |
140 | ||
5a8fda15 | 141 | return init(o, DEFAULT_BPL_BIN); |
a1bb33af UH |
142 | |
143 | } | |
144 | ||
145 | ||
146 | static int data_binary(struct output *o, char *data_in, uint64_t length_in, char **data_out, uint64_t *length_out) | |
147 | { | |
148 | struct context *ctx; | |
afc8e4de | 149 | unsigned int outsize, offset, p; |
a1bb33af UH |
150 | uint64_t sample; |
151 | char *outbuf; | |
152 | ||
153 | ctx = o->internal; | |
37aea2d3 | 154 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * ctx->samples_per_line + 512; |
a1bb33af UH |
155 | outbuf = calloc(1, outsize+1); |
156 | if(ctx->header) { | |
157 | /* the header is still in here, we must be on the first data packet */ | |
158 | strncpy(outbuf, ctx->header, outsize); | |
159 | free(ctx->header); | |
160 | ctx->header = NULL; | |
161 | } | |
162 | else | |
163 | outbuf[0] = 0; | |
164 | ||
d2cd86ac | 165 | if(length_in >= ctx->unitsize) { |
a1bb33af UH |
166 | for(offset = 0; offset <= length_in - ctx->unitsize; offset += ctx->unitsize) { |
167 | memcpy(&sample, data_in + offset, ctx->unitsize); | |
168 | for(p = 0; p < ctx->num_enabled_probes; p++) { | |
169 | if(sample & ((uint64_t) 1 << p)) | |
170 | ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = '1'; | |
171 | else | |
172 | ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = '0'; | |
173 | } | |
174 | ctx->line_offset++; | |
175 | ctx->spl_cnt++; | |
176 | ||
177 | /* space every 8th bit */ | |
178 | if((ctx->spl_cnt & 7) == 0) { | |
179 | for(p = 0; p < ctx->num_enabled_probes; p++) | |
180 | ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = ' '; | |
181 | ctx->line_offset++; | |
182 | } | |
183 | ||
184 | /* end of line */ | |
185 | if(ctx->spl_cnt >= ctx->samples_per_line) { | |
afc8e4de | 186 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
187 | ctx->line_offset = ctx->spl_cnt = 0; |
188 | } | |
189 | } | |
190 | } else | |
191 | g_message("short buffer (length_in=%"PRIu64")", length_in); | |
192 | ||
193 | *data_out = outbuf; | |
194 | *length_out = strlen(outbuf); | |
195 | ||
196 | return SIGROK_OK; | |
197 | } | |
198 | ||
199 | ||
5a8fda15 | 200 | static int init_hex(struct output *o) |
a1bb33af UH |
201 | { |
202 | ||
5a8fda15 | 203 | return init(o, DEFAULT_BPL_BIN); |
a1bb33af UH |
204 | |
205 | } | |
206 | ||
207 | ||
208 | static int data_hex(struct output *o, char *data_in, uint64_t length_in, char **data_out, uint64_t *length_out) | |
209 | { | |
210 | struct context *ctx; | |
afc8e4de | 211 | unsigned int outsize, offset, p; |
a1bb33af UH |
212 | uint64_t sample; |
213 | char *outbuf; | |
214 | ||
215 | ctx = o->internal; | |
37aea2d3 | 216 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * ctx->samples_per_line + 512; |
a1bb33af UH |
217 | outbuf = calloc(1, outsize+1); |
218 | if(ctx->header) { | |
219 | /* the header is still in here, we must be on the first data packet */ | |
220 | strncpy(outbuf, ctx->header, outsize); | |
221 | free(ctx->header); | |
222 | ctx->header = NULL; | |
223 | } | |
224 | else | |
225 | outbuf[0] = 0; | |
226 | ||
227 | ctx->line_offset = 0; | |
228 | for(offset = 0; offset <= length_in - ctx->unitsize; offset += ctx->unitsize) { | |
229 | memcpy(&sample, data_in + offset, ctx->unitsize); | |
230 | for(p = 0; p < ctx->num_enabled_probes; p++) { | |
231 | ctx->linevalues[p] <<= 1; | |
232 | if(sample & ((uint64_t) 1 << p)) | |
233 | ctx->linevalues[p] |= 1; | |
234 | sprintf(ctx->linebuf + (p * ctx->linebuf_len) + ctx->line_offset, "%.2x", ctx->linevalues[p]); | |
235 | } | |
236 | ctx->spl_cnt++; | |
237 | ||
238 | /* space after every complete hex byte */ | |
239 | if((ctx->spl_cnt & 7) == 0) { | |
240 | for(p = 0; p < ctx->num_enabled_probes; p++) | |
241 | ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset + 2] = ' '; | |
242 | ctx->line_offset += 3; | |
243 | } | |
244 | ||
245 | /* end of line */ | |
246 | if(ctx->spl_cnt >= ctx->samples_per_line) { | |
afc8e4de | 247 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
248 | ctx->line_offset = ctx->spl_cnt = 0; |
249 | } | |
250 | } | |
251 | ||
252 | *data_out = outbuf; | |
253 | *length_out = strlen(outbuf); | |
254 | ||
255 | return SIGROK_OK; | |
256 | } | |
257 | ||
258 | ||
259 | ||
260 | struct output_format output_text_binary = { | |
1c5b9d30 UH |
261 | "bits", |
262 | "Text (bits)", | |
a1bb33af UH |
263 | init_binary, |
264 | data_binary, | |
265 | event | |
266 | }; | |
267 | ||
268 | ||
269 | struct output_format output_text_hex = { | |
270 | "hex", | |
271 | "Text (hexadecimal)", | |
272 | init_hex, | |
273 | data_hex, | |
274 | event | |
275 | }; | |
276 |