]>
Commit | Line | Data |
---|---|---|
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 | 25 | |
02076d69 UH |
26 | #define DEFAULT_BPL_BITS 64 |
27 | #define DEFAULT_BPL_HEX 256 | |
a1bb33af UH |
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 | ||
afc8e4de | 42 | static void flush_linebufs(struct context *ctx, char *outbuf) |
a1bb33af UH |
43 | { |
44 | static int max_probename_len = 0; | |
45 | int len, i; | |
46 | ||
99c1fc59 | 47 | if (ctx->linebuf[0] == 0) |
a1bb33af UH |
48 | return; |
49 | ||
99c1fc59 UH |
50 | if (max_probename_len == 0) { |
51 | /* First time through... */ | |
52 | for (i = 0; ctx->probelist[i]; i++) { | |
a1bb33af | 53 | len = strlen(ctx->probelist[i]); |
99c1fc59 | 54 | if (len > max_probename_len) |
a1bb33af UH |
55 | max_probename_len = len; |
56 | } | |
57 | } | |
58 | ||
99c1fc59 UH |
59 | for (i = 0; ctx->probelist[i]; i++) { |
60 | sprintf(outbuf + strlen(outbuf), "%*s:%s\n", max_probename_len, | |
61 | ctx->probelist[i], ctx->linebuf + i * ctx->linebuf_len); | |
a1bb33af UH |
62 | } |
63 | memset(ctx->linebuf, 0, i * ctx->linebuf_len); | |
a1bb33af UH |
64 | } |
65 | ||
5a8fda15 | 66 | static int init(struct output *o, int default_spl) |
a1bb33af UH |
67 | { |
68 | struct context *ctx; | |
69 | struct probe *probe; | |
70 | GSList *l; | |
71 | uint64_t samplerate; | |
72 | int num_probes; | |
25e7d9b1 | 73 | char *samplerate_s; |
a1bb33af UH |
74 | |
75 | ctx = malloc(sizeof(struct context)); | |
76 | o->internal = ctx; | |
77 | ctx->num_enabled_probes = 0; | |
99c1fc59 UH |
78 | |
79 | for (l = o->device->probes; l; l = l->next) { | |
a1bb33af | 80 | probe = l->data; |
99c1fc59 | 81 | if (probe->enabled) |
a1bb33af UH |
82 | ctx->probelist[ctx->num_enabled_probes++] = probe->name; |
83 | } | |
99c1fc59 | 84 | |
a1bb33af UH |
85 | ctx->probelist[ctx->num_enabled_probes] = 0; |
86 | ctx->unitsize = (ctx->num_enabled_probes + 7) / 8; | |
87 | ctx->line_offset = 0; | |
88 | ctx->spl_cnt = 0; | |
99c1fc59 UH |
89 | |
90 | if (o->param && o->param[0]) | |
a1bb33af UH |
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); | |
99c1fc59 UH |
97 | samplerate = *((uint64_t *) o->device->plugin->get_device_info( |
98 | o->device->plugin_index, DI_CUR_SAMPLERATE)); | |
99 | snprintf(ctx->header, 512, "Acquisition with %d/%d probes at ", | |
100 | ctx->num_enabled_probes, num_probes); | |
25e7d9b1 UH |
101 | |
102 | if ((samplerate_s = sigrok_samplerate_string(samplerate)) == NULL) | |
99c1fc59 | 103 | return -1; /* FIXME */ |
25e7d9b1 UH |
104 | snprintf(ctx->header + strlen(ctx->header), 512, "%s\n", samplerate_s); |
105 | free(samplerate_s); | |
a1bb33af UH |
106 | |
107 | ctx->linebuf_len = ctx->samples_per_line * 2; | |
108 | ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len); | |
109 | ctx->linevalues = calloc(1, num_probes); | |
110 | ||
5a8fda15 | 111 | return 0; |
a1bb33af UH |
112 | } |
113 | ||
99c1fc59 UH |
114 | static int event(struct output *o, int event_type, char **data_out, |
115 | uint64_t *length_out) | |
a1bb33af UH |
116 | { |
117 | struct context *ctx; | |
118 | int outsize; | |
119 | char *outbuf; | |
120 | ||
121 | ctx = o->internal; | |
99c1fc59 | 122 | switch (event_type) { |
a1bb33af UH |
123 | case DF_TRIGGER: |
124 | break; | |
125 | case DF_END: | |
99c1fc59 UH |
126 | outsize = ctx->num_enabled_probes |
127 | * (ctx->samples_per_line + 20) + 512; | |
a1bb33af | 128 | outbuf = calloc(1, outsize); |
afc8e4de | 129 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
130 | *data_out = outbuf; |
131 | *length_out = strlen(outbuf); | |
132 | free(o->internal); | |
133 | o->internal = NULL; | |
134 | break; | |
135 | } | |
136 | ||
137 | return SIGROK_OK; | |
138 | } | |
139 | ||
02076d69 | 140 | static int init_bits(struct output *o) |
a1bb33af | 141 | { |
02076d69 | 142 | return init(o, DEFAULT_BPL_BITS); |
a1bb33af UH |
143 | } |
144 | ||
99c1fc59 UH |
145 | static int data_bits(struct output *o, char *data_in, uint64_t length_in, |
146 | char **data_out, uint64_t *length_out) | |
a1bb33af UH |
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; | |
99c1fc59 UH |
154 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * |
155 | ctx->samples_per_line + 512; | |
156 | outbuf = calloc(1, outsize + 1); | |
157 | if (ctx->header) { | |
158 | /* The header is still here, this must be the first packet. */ | |
a1bb33af UH |
159 | strncpy(outbuf, ctx->header, outsize); |
160 | free(ctx->header); | |
161 | ctx->header = NULL; | |
99c1fc59 | 162 | } else |
a1bb33af UH |
163 | outbuf[0] = 0; |
164 | ||
99c1fc59 UH |
165 | if (length_in >= ctx->unitsize) { |
166 | for (offset = 0; offset <= length_in - ctx->unitsize; | |
167 | offset += ctx->unitsize) { | |
a1bb33af | 168 | memcpy(&sample, data_in + offset, ctx->unitsize); |
99c1fc59 UH |
169 | for (p = 0; p < ctx->num_enabled_probes; p++) { |
170 | if (sample & ((uint64_t) 1 << p)) | |
171 | ctx->linebuf[p * ctx->linebuf_len + | |
172 | ctx->line_offset] = '1'; | |
a1bb33af | 173 | else |
99c1fc59 UH |
174 | ctx->linebuf[p * ctx->linebuf_len + |
175 | ctx->line_offset] = '0'; | |
a1bb33af UH |
176 | } |
177 | ctx->line_offset++; | |
178 | ctx->spl_cnt++; | |
179 | ||
99c1fc59 UH |
180 | /* Add a space every 8th bit. */ |
181 | if ((ctx->spl_cnt & 7) == 0) { | |
182 | for (p = 0; p < ctx->num_enabled_probes; p++) | |
183 | ctx->linebuf[p * ctx->linebuf_len + | |
184 | ctx->line_offset] = ' '; | |
a1bb33af UH |
185 | ctx->line_offset++; |
186 | } | |
187 | ||
99c1fc59 UH |
188 | /* End of line. */ |
189 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
afc8e4de | 190 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
191 | ctx->line_offset = ctx->spl_cnt = 0; |
192 | } | |
193 | } | |
194 | } else | |
99c1fc59 | 195 | g_message("short buffer (length_in=%" PRIu64 ")", length_in); |
a1bb33af UH |
196 | |
197 | *data_out = outbuf; | |
198 | *length_out = strlen(outbuf); | |
199 | ||
200 | return SIGROK_OK; | |
201 | } | |
202 | ||
5a8fda15 | 203 | static int init_hex(struct output *o) |
a1bb33af | 204 | { |
02076d69 | 205 | return init(o, DEFAULT_BPL_BITS); |
a1bb33af UH |
206 | } |
207 | ||
99c1fc59 UH |
208 | static int data_hex(struct output *o, char *data_in, uint64_t length_in, |
209 | char **data_out, uint64_t *length_out) | |
a1bb33af UH |
210 | { |
211 | struct context *ctx; | |
afc8e4de | 212 | unsigned int outsize, offset, p; |
a1bb33af UH |
213 | uint64_t sample; |
214 | char *outbuf; | |
215 | ||
216 | ctx = o->internal; | |
99c1fc59 UH |
217 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * |
218 | ctx->samples_per_line + 512; | |
219 | outbuf = calloc(1, outsize + 1); | |
220 | if (ctx->header) { | |
221 | /* The header is still here, this must be the first packet. */ | |
a1bb33af UH |
222 | strncpy(outbuf, ctx->header, outsize); |
223 | free(ctx->header); | |
224 | ctx->header = NULL; | |
99c1fc59 | 225 | } else |
a1bb33af UH |
226 | outbuf[0] = 0; |
227 | ||
228 | ctx->line_offset = 0; | |
99c1fc59 UH |
229 | for (offset = 0; offset <= length_in - ctx->unitsize; |
230 | offset += ctx->unitsize) { | |
a1bb33af | 231 | memcpy(&sample, data_in + offset, ctx->unitsize); |
99c1fc59 | 232 | for (p = 0; p < ctx->num_enabled_probes; p++) { |
a1bb33af | 233 | ctx->linevalues[p] <<= 1; |
99c1fc59 UH |
234 | if (sample & ((uint64_t) 1 << p)) |
235 | ctx->linevalues[p] |= 1; | |
236 | sprintf(ctx->linebuf + (p * ctx->linebuf_len) + | |
237 | ctx->line_offset, "%.2x", ctx->linevalues[p]); | |
a1bb33af UH |
238 | } |
239 | ctx->spl_cnt++; | |
240 | ||
99c1fc59 UH |
241 | /* Add a space after every complete hex byte. */ |
242 | if ((ctx->spl_cnt & 7) == 0) { | |
243 | for (p = 0; p < ctx->num_enabled_probes; p++) | |
244 | ctx->linebuf[p * ctx->linebuf_len + | |
245 | ctx->line_offset + 2] = ' '; | |
a1bb33af UH |
246 | ctx->line_offset += 3; |
247 | } | |
248 | ||
99c1fc59 UH |
249 | /* End of line. */ |
250 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
afc8e4de | 251 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
252 | ctx->line_offset = ctx->spl_cnt = 0; |
253 | } | |
254 | } | |
255 | ||
256 | *data_out = outbuf; | |
257 | *length_out = strlen(outbuf); | |
258 | ||
259 | return SIGROK_OK; | |
260 | } | |
261 | ||
02076d69 | 262 | struct output_format output_text_bits = { |
1c5b9d30 UH |
263 | "bits", |
264 | "Text (bits)", | |
02076d69 UH |
265 | init_bits, |
266 | data_bits, | |
99c1fc59 | 267 | event, |
a1bb33af UH |
268 | }; |
269 | ||
a1bb33af UH |
270 | struct output_format output_text_hex = { |
271 | "hex", | |
272 | "Text (hexadecimal)", | |
273 | init_hex, | |
274 | data_hex, | |
99c1fc59 | 275 | event, |
a1bb33af | 276 | }; |