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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
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 <sys/types.h> | |
23 | #include <dirent.h> | |
24 | #include <string.h> | |
25 | #include <glib.h> | |
b7f09cf8 UH |
26 | #include "sigrok.h" |
27 | #include "sigrok-internal.h" | |
a1bb33af | 28 | |
62c82025 | 29 | /* The list of loaded plugins lives here. */ |
a0ecd83b | 30 | static GSList *plugins; |
a1bb33af | 31 | |
62c82025 UH |
32 | /* |
33 | * This enumerates which plugin capabilities correspond to user-settable | |
34 | * options. | |
35 | */ | |
a65de030 | 36 | /* TODO: This shouldn't be a global. */ |
1a081ca6 | 37 | SR_API struct sr_hwcap_option sr_hwcap_options[] = { |
5a2326a7 UH |
38 | {SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"}, |
39 | {SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"}, | |
40 | {SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "patternmode"}, | |
4d436e71 | 41 | {SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"}, |
49d0ce50 | 42 | {0, 0, NULL, NULL}, |
a1bb33af UH |
43 | }; |
44 | ||
a61b0e6a | 45 | #ifdef HAVE_LA_DEMO |
bb7ef793 | 46 | extern struct sr_dev_plugin demo_plugin_info; |
a61b0e6a | 47 | #endif |
960a75e4 | 48 | #ifdef HAVE_LA_SALEAE_LOGIC |
bb7ef793 | 49 | extern struct sr_dev_plugin saleae_logic_plugin_info; |
960a75e4 UH |
50 | #endif |
51 | #ifdef HAVE_LA_OLS | |
bb7ef793 | 52 | extern struct sr_dev_plugin ols_plugin_info; |
960a75e4 UH |
53 | #endif |
54 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
bb7ef793 | 55 | extern struct sr_dev_plugin zeroplus_logic_cube_plugin_info; |
960a75e4 | 56 | #endif |
5b907f9b | 57 | #ifdef HAVE_LA_ASIX_SIGMA |
bb7ef793 | 58 | extern struct sr_dev_plugin asix_sigma_plugin_info; |
5b907f9b | 59 | #endif |
f4314d7e | 60 | #ifdef HAVE_LA_CHRONOVU_LA8 |
bb7ef793 | 61 | extern SR_PRIV struct dev_plugin chronovu_la8_plugin_info; |
f4314d7e | 62 | #endif |
bffed4fc | 63 | #ifdef HAVE_LA_LINK_MSO19 |
bb7ef793 | 64 | extern struct sr_dev_plugin link_mso19_plugin_info; |
bffed4fc | 65 | #endif |
6ed4f044 | 66 | #ifdef HAVE_LA_ALSA |
bb7ef793 | 67 | extern struct sr_dev_plugin alsa_plugin_info; |
6ed4f044 DR |
68 | #endif |
69 | ||
49d0ce50 | 70 | /* TODO: No linked list needed, this can be a simple array. */ |
93a04e3b | 71 | SR_PRIV int sr_hw_load_all(void) |
a1bb33af | 72 | { |
a61b0e6a | 73 | #ifdef HAVE_LA_DEMO |
6239c175 | 74 | plugins = g_slist_append(plugins, (gpointer *)&demo_plugin_info); |
a61b0e6a | 75 | #endif |
960a75e4 | 76 | #ifdef HAVE_LA_SALEAE_LOGIC |
62c82025 | 77 | plugins = |
49d0ce50 | 78 | g_slist_append(plugins, (gpointer *)&saleae_logic_plugin_info); |
960a75e4 UH |
79 | #endif |
80 | #ifdef HAVE_LA_OLS | |
49d0ce50 | 81 | plugins = g_slist_append(plugins, (gpointer *)&ols_plugin_info); |
960a75e4 UH |
82 | #endif |
83 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
62c82025 | 84 | plugins = g_slist_append(plugins, |
49d0ce50 | 85 | (gpointer *)&zeroplus_logic_cube_plugin_info); |
960a75e4 | 86 | #endif |
5b907f9b | 87 | #ifdef HAVE_LA_ASIX_SIGMA |
28a35d8a | 88 | plugins = g_slist_append(plugins, (gpointer *)&asix_sigma_plugin_info); |
5b907f9b | 89 | #endif |
f4314d7e UH |
90 | #ifdef HAVE_LA_CHRONOVU_LA8 |
91 | plugins = g_slist_append(plugins, (gpointer *)&chronovu_la8_plugin_info); | |
92 | #endif | |
bffed4fc UH |
93 | #ifdef HAVE_LA_LINK_MSO19 |
94 | plugins = g_slist_append(plugins, (gpointer *)&link_mso19_plugin_info); | |
95 | #endif | |
6ed4f044 DR |
96 | #ifdef HAVE_LA_ALSA |
97 | plugins = g_slist_append(plugins, (gpointer *)&alsa_plugin_info); | |
98 | #endif | |
99 | ||
e46b8fb1 | 100 | return SR_OK; |
a1bb33af UH |
101 | } |
102 | ||
a1645fcd | 103 | /** |
44dae539 | 104 | * Return the list of loaded hardware plugins. |
a1645fcd BV |
105 | * |
106 | * The list of plugins is initialized from sr_init(), and can only be reset | |
107 | * by calling sr_exit(). | |
108 | * | |
109 | * @return A GSList of pointers to loaded plugins. | |
110 | */ | |
93a04e3b | 111 | SR_API GSList *sr_hw_list(void) |
a1bb33af | 112 | { |
a1bb33af UH |
113 | return plugins; |
114 | } | |
115 | ||
a1645fcd BV |
116 | /** |
117 | * Initialize a hardware plugin. | |
118 | * | |
119 | * The specified plugin is initialized, and all devices discovered by the | |
120 | * plugin are instantiated. | |
121 | * | |
122 | * @param plugin The plugin to initialize. | |
123 | * | |
124 | * @return The number of devices found and instantiated by the plugin. | |
125 | */ | |
bb7ef793 | 126 | SR_API int sr_hw_init(struct sr_dev_plugin *plugin) |
8722c31e | 127 | { |
bb7ef793 UH |
128 | int num_devs, num_probes, i, j; |
129 | int num_initialized_devs = 0; | |
130 | struct sr_dev *dev; | |
464d12c7 | 131 | char **probe_names; |
8722c31e | 132 | |
8f81fe87 | 133 | sr_dbg("initializing %s plugin", plugin->name); |
bb7ef793 UH |
134 | num_devs = plugin->init(NULL); |
135 | for (i = 0; i < num_devs; i++) { | |
4d436e71 | 136 | num_probes = GPOINTER_TO_INT( |
5097b0d0 UH |
137 | plugin->dev_info_get(i, SR_DI_NUM_PROBES)); |
138 | probe_names = (char **)plugin->dev_info_get(i, | |
c37d2b1b | 139 | SR_DI_PROBE_NAMES); |
464d12c7 KS |
140 | |
141 | if (!probe_names) { | |
c37d2b1b UH |
142 | sr_warn("hwplugin: %s: plugin %s does not return a " |
143 | "list of probe names", __func__, plugin->name); | |
464d12c7 KS |
144 | continue; |
145 | } | |
146 | ||
bb7ef793 | 147 | dev = sr_dev_new(plugin, i); |
c37d2b1b | 148 | for (j = 0; j < num_probes; j++) |
bb7ef793 UH |
149 | sr_dev_probe_add(dev, probe_names[j]); |
150 | num_initialized_devs++; | |
8722c31e BV |
151 | } |
152 | ||
bb7ef793 | 153 | return num_initialized_devs; |
8722c31e BV |
154 | } |
155 | ||
93a04e3b | 156 | SR_PRIV void sr_hw_cleanup_all(void) |
8722c31e | 157 | { |
bb7ef793 | 158 | struct sr_dev_plugin *plugin; |
8722c31e BV |
159 | GSList *l; |
160 | ||
161 | for (l = plugins; l; l = l->next) { | |
162 | plugin = l->data; | |
163 | if (plugin->cleanup) | |
164 | plugin->cleanup(); | |
165 | } | |
8722c31e BV |
166 | } |
167 | ||
d68e2d1a | 168 | SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status, |
49d0ce50 | 169 | const char *vendor, const char *model, const char *version) |
a1bb33af | 170 | { |
d68e2d1a | 171 | struct sr_dev_inst *sdi; |
a1bb33af | 172 | |
d68e2d1a | 173 | if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) { |
133a37bf | 174 | sr_err("hwplugin: %s: sdi malloc failed", __func__); |
a1bb33af | 175 | return NULL; |
133a37bf | 176 | } |
a1bb33af UH |
177 | |
178 | sdi->index = index; | |
179 | sdi->status = status; | |
1d9a8a5f | 180 | sdi->inst_type = -1; |
8722c31e BV |
181 | sdi->vendor = vendor ? g_strdup(vendor) : NULL; |
182 | sdi->model = model ? g_strdup(model) : NULL; | |
183 | sdi->version = version ? g_strdup(version) : NULL; | |
01cf8814 | 184 | sdi->priv = NULL; |
a1bb33af UH |
185 | |
186 | return sdi; | |
187 | } | |
188 | ||
bb7ef793 | 189 | SR_PRIV struct sr_dev_inst *sr_dev_inst_get(GSList *dev_insts, int dev_index) |
a1bb33af | 190 | { |
d68e2d1a | 191 | struct sr_dev_inst *sdi; |
a1bb33af UH |
192 | GSList *l; |
193 | ||
d68e2d1a UH |
194 | for (l = dev_insts; l; l = l->next) { |
195 | sdi = (struct sr_dev_inst *)(l->data); | |
bb7ef793 | 196 | if (sdi->index == dev_index) |
a1bb33af UH |
197 | return sdi; |
198 | } | |
bb7ef793 | 199 | sr_warn("could not find device index %d instance", dev_index); |
a1bb33af UH |
200 | |
201 | return NULL; | |
202 | } | |
203 | ||
d68e2d1a | 204 | SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi) |
a1bb33af | 205 | { |
66410a86 | 206 | g_free(sdi->priv); |
8722c31e BV |
207 | g_free(sdi->vendor); |
208 | g_free(sdi->model); | |
209 | g_free(sdi->version); | |
210 | g_free(sdi); | |
a1bb33af UH |
211 | } |
212 | ||
22b02383 UH |
213 | #ifdef HAVE_LIBUSB_1_0 |
214 | ||
d68e2d1a | 215 | SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus, |
62c82025 | 216 | uint8_t address, struct libusb_device_handle *hdl) |
a1bb33af | 217 | { |
d68e2d1a | 218 | struct sr_usb_dev_inst *udi; |
a1bb33af | 219 | |
d68e2d1a | 220 | if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) { |
133a37bf | 221 | sr_err("hwplugin: %s: udi malloc failed", __func__); |
a1bb33af | 222 | return NULL; |
133a37bf | 223 | } |
a1bb33af UH |
224 | |
225 | udi->bus = bus; | |
226 | udi->address = address; | |
49d0ce50 | 227 | udi->devhdl = hdl; /* TODO: Check if this is NULL? */ |
a1bb33af UH |
228 | |
229 | return udi; | |
230 | } | |
231 | ||
d68e2d1a | 232 | SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb) |
a1bb33af | 233 | { |
17e1afcb | 234 | /* Avoid compiler warnings. */ |
cb93f8a9 | 235 | (void)usb; |
a1bb33af | 236 | |
62c82025 | 237 | /* Nothing to do for this device instance type. */ |
a1bb33af UH |
238 | } |
239 | ||
22b02383 UH |
240 | #endif |
241 | ||
d68e2d1a UH |
242 | SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port, |
243 | int fd) | |
a1bb33af | 244 | { |
d68e2d1a | 245 | struct sr_serial_dev_inst *serial; |
a1bb33af | 246 | |
d68e2d1a | 247 | if (!(serial = g_try_malloc(sizeof(struct sr_serial_dev_inst)))) { |
133a37bf | 248 | sr_err("hwplugin: %s: serial malloc failed", __func__); |
a1bb33af | 249 | return NULL; |
133a37bf | 250 | } |
a1bb33af | 251 | |
133a37bf | 252 | serial->port = g_strdup(port); |
a1bb33af UH |
253 | serial->fd = fd; |
254 | ||
255 | return serial; | |
256 | } | |
257 | ||
d68e2d1a | 258 | SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial) |
a1bb33af | 259 | { |
133a37bf | 260 | g_free(serial->port); |
a1bb33af UH |
261 | } |
262 | ||
a1645fcd | 263 | /** |
da1466d6 | 264 | * Find out if a hardware plugin has a specific capability. |
a1645fcd | 265 | * |
44dae539 | 266 | * @param plugin The hardware plugin in which to search for the capability. |
a1645fcd BV |
267 | * @param hwcap The capability to find in the list. |
268 | * | |
d3683c42 | 269 | * @return TRUE if found, FALSE otherwise. |
a1645fcd | 270 | */ |
bb7ef793 | 271 | SR_API gboolean sr_hw_has_hwcap(struct sr_dev_plugin *plugin, int hwcap) |
a1bb33af | 272 | { |
ffedd0bf | 273 | int *hwcaps, i; |
a1bb33af | 274 | |
ffedd0bf UH |
275 | hwcaps = plugin->hwcap_get_all(); |
276 | for (i = 0; hwcaps[i]; i++) { | |
277 | if (hwcaps[i] == hwcap) | |
a1bb33af | 278 | return TRUE; |
49d0ce50 | 279 | } |
a1bb33af UH |
280 | |
281 | return FALSE; | |
282 | } | |
283 | ||
a1645fcd | 284 | /** |
93a04e3b | 285 | * Get a hardware plugin capability option. |
a1645fcd | 286 | * |
93a04e3b | 287 | * @param hwcap The capability to get. |
a1645fcd | 288 | * |
44dae539 UH |
289 | * @return A pointer to a struct with information about the parameter, or NULL |
290 | * if the capability was not found. | |
a1645fcd | 291 | */ |
93a04e3b | 292 | SR_API struct sr_hwcap_option *sr_hw_hwcap_get(int hwcap) |
a1bb33af | 293 | { |
a1bb33af UH |
294 | int i; |
295 | ||
ffedd0bf UH |
296 | for (i = 0; sr_hwcap_options[i].hwcap; i++) { |
297 | if (sr_hwcap_options[i].hwcap == hwcap) | |
a65de030 | 298 | return &sr_hwcap_options[i]; |
a1bb33af UH |
299 | } |
300 | ||
49d0ce50 | 301 | return NULL; |
a1bb33af UH |
302 | } |
303 | ||
544a4582 BV |
304 | /* unnecessary level of indirection follows. */ |
305 | ||
bb08ee2e | 306 | SR_PRIV void sr_source_remove(int fd) |
a1bb33af | 307 | { |
8a2efef2 | 308 | sr_session_source_remove(fd); |
a1bb33af UH |
309 | } |
310 | ||
bb08ee2e | 311 | SR_PRIV void sr_source_add(int fd, int events, int timeout, |
a887e3da | 312 | sr_receive_data_callback rcv_cb, void *user_data) |
a1bb33af | 313 | { |
8a2efef2 | 314 | sr_session_source_add(fd, events, timeout, rcv_cb, user_data); |
a1bb33af | 315 | } |