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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 |
5c2d46d1 | 46 | extern struct sr_device_plugin demo_plugin_info; |
a61b0e6a | 47 | #endif |
960a75e4 | 48 | #ifdef HAVE_LA_SALEAE_LOGIC |
5c2d46d1 | 49 | extern struct sr_device_plugin saleae_logic_plugin_info; |
960a75e4 UH |
50 | #endif |
51 | #ifdef HAVE_LA_OLS | |
5c2d46d1 | 52 | extern struct sr_device_plugin ols_plugin_info; |
960a75e4 UH |
53 | #endif |
54 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
5c2d46d1 | 55 | extern struct sr_device_plugin zeroplus_logic_cube_plugin_info; |
960a75e4 | 56 | #endif |
5b907f9b | 57 | #ifdef HAVE_LA_ASIX_SIGMA |
5c2d46d1 | 58 | extern struct sr_device_plugin asix_sigma_plugin_info; |
5b907f9b | 59 | #endif |
f4314d7e | 60 | #ifdef HAVE_LA_CHRONOVU_LA8 |
ca070ed9 | 61 | extern SR_PRIV struct device_plugin chronovu_la8_plugin_info; |
f4314d7e | 62 | #endif |
bffed4fc | 63 | #ifdef HAVE_LA_LINK_MSO19 |
5c2d46d1 | 64 | extern struct sr_device_plugin link_mso19_plugin_info; |
bffed4fc | 65 | #endif |
6ed4f044 | 66 | #ifdef HAVE_LA_ALSA |
5c2d46d1 | 67 | extern struct sr_device_plugin alsa_plugin_info; |
6ed4f044 DR |
68 | #endif |
69 | ||
49d0ce50 | 70 | /* TODO: No linked list needed, this can be a simple array. */ |
1a081ca6 | 71 | SR_PRIV int load_hwplugins(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 BV |
103 | /** |
104 | * Returns the list of loaded hardware plugins. | |
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 | */ | |
c532476a | 111 | SR_API GSList *sr_hwplugins_list(void) |
a1bb33af | 112 | { |
a1645fcd | 113 | |
a1bb33af UH |
114 | return plugins; |
115 | } | |
116 | ||
a1645fcd BV |
117 | /** |
118 | * Initialize a hardware plugin. | |
119 | * | |
120 | * The specified plugin is initialized, and all devices discovered by the | |
121 | * plugin are instantiated. | |
122 | * | |
123 | * @param plugin The plugin to initialize. | |
124 | * | |
125 | * @return The number of devices found and instantiated by the plugin. | |
126 | */ | |
c532476a | 127 | SR_API int sr_hwplugin_init(struct sr_device_plugin *plugin) |
8722c31e | 128 | { |
464d12c7 KS |
129 | int num_devices, num_probes, i, j; |
130 | int num_initialized_devices = 0; | |
131 | struct sr_device *device; | |
132 | char **probe_names; | |
8722c31e | 133 | |
8f81fe87 | 134 | sr_dbg("initializing %s plugin", plugin->name); |
8722c31e BV |
135 | num_devices = plugin->init(NULL); |
136 | for (i = 0; i < num_devices; i++) { | |
4d436e71 GM |
137 | num_probes = GPOINTER_TO_INT( |
138 | plugin->get_device_info(i, SR_DI_NUM_PROBES)); | |
c37d2b1b UH |
139 | probe_names = (char **)plugin->get_device_info(i, |
140 | SR_DI_PROBE_NAMES); | |
464d12c7 KS |
141 | |
142 | if (!probe_names) { | |
c37d2b1b UH |
143 | sr_warn("hwplugin: %s: plugin %s does not return a " |
144 | "list of probe names", __func__, plugin->name); | |
464d12c7 KS |
145 | continue; |
146 | } | |
147 | ||
03168500 | 148 | device = sr_dev_new(plugin, i); |
c37d2b1b | 149 | for (j = 0; j < num_probes; j++) |
03168500 | 150 | sr_dev_probe_add(device, probe_names[j]); |
464d12c7 | 151 | num_initialized_devices++; |
8722c31e BV |
152 | } |
153 | ||
464d12c7 | 154 | return num_initialized_devices; |
8722c31e BV |
155 | } |
156 | ||
c532476a | 157 | SR_PRIV void sr_hwplugins_cleanup(void) |
8722c31e BV |
158 | { |
159 | struct sr_device_plugin *plugin; | |
160 | GSList *l; | |
161 | ||
162 | for (l = plugins; l; l = l->next) { | |
163 | plugin = l->data; | |
164 | if (plugin->cleanup) | |
165 | plugin->cleanup(); | |
166 | } | |
8722c31e BV |
167 | } |
168 | ||
bb08ee2e | 169 | SR_PRIV struct sr_device_instance *sr_device_instance_new(int index, int status, |
49d0ce50 | 170 | const char *vendor, const char *model, const char *version) |
a1bb33af | 171 | { |
a00ba012 | 172 | struct sr_device_instance *sdi; |
a1bb33af | 173 | |
133a37bf UH |
174 | if (!(sdi = g_try_malloc(sizeof(struct sr_device_instance)))) { |
175 | sr_err("hwplugin: %s: sdi malloc failed", __func__); | |
a1bb33af | 176 | return NULL; |
133a37bf | 177 | } |
a1bb33af UH |
178 | |
179 | sdi->index = index; | |
180 | sdi->status = status; | |
181 | sdi->instance_type = -1; | |
8722c31e BV |
182 | sdi->vendor = vendor ? g_strdup(vendor) : NULL; |
183 | sdi->model = model ? g_strdup(model) : NULL; | |
184 | sdi->version = version ? g_strdup(version) : NULL; | |
01cf8814 | 185 | sdi->priv = NULL; |
a1bb33af UH |
186 | |
187 | return sdi; | |
188 | } | |
189 | ||
bb08ee2e | 190 | SR_PRIV struct sr_device_instance *sr_get_device_instance( |
1a081ca6 | 191 | GSList *device_instances, int device_index) |
a1bb33af | 192 | { |
a00ba012 | 193 | struct sr_device_instance *sdi; |
a1bb33af UH |
194 | GSList *l; |
195 | ||
62c82025 | 196 | for (l = device_instances; l; l = l->next) { |
a00ba012 | 197 | sdi = (struct sr_device_instance *)(l->data); |
62c82025 | 198 | if (sdi->index == device_index) |
a1bb33af UH |
199 | return sdi; |
200 | } | |
b08024a8 | 201 | sr_warn("could not find device index %d instance", device_index); |
a1bb33af UH |
202 | |
203 | return NULL; | |
204 | } | |
205 | ||
bb08ee2e | 206 | SR_PRIV void sr_device_instance_free(struct sr_device_instance *sdi) |
a1bb33af | 207 | { |
66410a86 | 208 | g_free(sdi->priv); |
8722c31e BV |
209 | g_free(sdi->vendor); |
210 | g_free(sdi->model); | |
211 | g_free(sdi->version); | |
212 | g_free(sdi); | |
a1bb33af UH |
213 | } |
214 | ||
22b02383 UH |
215 | #ifdef HAVE_LIBUSB_1_0 |
216 | ||
1a081ca6 | 217 | SR_PRIV struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus, |
62c82025 | 218 | uint8_t address, struct libusb_device_handle *hdl) |
a1bb33af | 219 | { |
6c290072 | 220 | struct sr_usb_device_instance *udi; |
a1bb33af | 221 | |
133a37bf UH |
222 | if (!(udi = g_try_malloc(sizeof(struct sr_usb_device_instance)))) { |
223 | sr_err("hwplugin: %s: udi malloc failed", __func__); | |
a1bb33af | 224 | return NULL; |
133a37bf | 225 | } |
a1bb33af UH |
226 | |
227 | udi->bus = bus; | |
228 | udi->address = address; | |
49d0ce50 | 229 | udi->devhdl = hdl; /* TODO: Check if this is NULL? */ |
a1bb33af UH |
230 | |
231 | return udi; | |
232 | } | |
233 | ||
1a081ca6 | 234 | SR_PRIV void sr_usb_device_instance_free(struct sr_usb_device_instance *usb) |
a1bb33af | 235 | { |
17e1afcb | 236 | /* Avoid compiler warnings. */ |
cb93f8a9 | 237 | (void)usb; |
a1bb33af | 238 | |
62c82025 | 239 | /* Nothing to do for this device instance type. */ |
a1bb33af UH |
240 | } |
241 | ||
22b02383 UH |
242 | #endif |
243 | ||
1a081ca6 | 244 | SR_PRIV struct sr_serial_device_instance *sr_serial_device_instance_new( |
49d0ce50 | 245 | const char *port, int fd) |
a1bb33af | 246 | { |
6c290072 | 247 | struct sr_serial_device_instance *serial; |
a1bb33af | 248 | |
133a37bf UH |
249 | if (!(serial = g_try_malloc(sizeof(struct sr_serial_device_instance)))) { |
250 | sr_err("hwplugin: %s: serial malloc failed", __func__); | |
a1bb33af | 251 | return NULL; |
133a37bf | 252 | } |
a1bb33af | 253 | |
133a37bf | 254 | serial->port = g_strdup(port); |
a1bb33af UH |
255 | serial->fd = fd; |
256 | ||
257 | return serial; | |
258 | } | |
259 | ||
1a081ca6 UH |
260 | SR_PRIV void sr_serial_device_instance_free( |
261 | struct sr_serial_device_instance *serial) | |
a1bb33af | 262 | { |
133a37bf | 263 | g_free(serial->port); |
a1bb33af UH |
264 | } |
265 | ||
a1645fcd BV |
266 | /** |
267 | * Find out if a list of hardware plugin capabilities has a specific cap. | |
268 | * | |
269 | * @param capabilities A NULL-terminated integer array of capabilities, as | |
270 | * returned by a plugin's get_capabilities() function. | |
271 | * @param hwcap The capability to find in the list. | |
272 | * | |
273 | * @return Returns TRUE if found, FALSE otherwise. | |
274 | */ | |
275 | SR_API gboolean sr_has_hwcap(int *capabilities, int hwcap) | |
a1bb33af UH |
276 | { |
277 | int i; | |
278 | ||
49d0ce50 | 279 | for (i = 0; capabilities[i]; i++) { |
62c82025 | 280 | if (capabilities[i] == hwcap) |
a1bb33af | 281 | return TRUE; |
49d0ce50 | 282 | } |
a1bb33af UH |
283 | |
284 | return FALSE; | |
285 | } | |
286 | ||
a1645fcd BV |
287 | /** |
288 | * Find a hardware plugin capability option parameter structure. | |
289 | * | |
290 | * @param hwcap The capability to find | |
291 | * | |
292 | * @return Returns a struct with information about the parameter, or NULL | |
293 | * if not found. | |
294 | */ | |
1a081ca6 | 295 | SR_API struct sr_hwcap_option *sr_find_hwcap_option(int hwcap) |
a1bb33af | 296 | { |
a1bb33af UH |
297 | int i; |
298 | ||
a65de030 UH |
299 | for (i = 0; sr_hwcap_options[i].capability; i++) { |
300 | if (sr_hwcap_options[i].capability == hwcap) | |
301 | return &sr_hwcap_options[i]; | |
a1bb33af UH |
302 | } |
303 | ||
49d0ce50 | 304 | return NULL; |
a1bb33af UH |
305 | } |
306 | ||
544a4582 BV |
307 | /* unnecessary level of indirection follows. */ |
308 | ||
bb08ee2e | 309 | SR_PRIV void sr_source_remove(int fd) |
a1bb33af | 310 | { |
8a2efef2 | 311 | sr_session_source_remove(fd); |
a1bb33af UH |
312 | } |
313 | ||
bb08ee2e | 314 | SR_PRIV void sr_source_add(int fd, int events, int timeout, |
a887e3da | 315 | sr_receive_data_callback rcv_cb, void *user_data) |
a1bb33af | 316 | { |
8a2efef2 | 317 | sr_session_source_add(fd, events, timeout, rcv_cb, user_data); |
a1bb33af | 318 | } |