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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 "config.h" | |
21 | #include <stdlib.h> | |
22 | #include <stdio.h> | |
23 | #include <sys/types.h> | |
24 | #include <dirent.h> | |
25 | #include <string.h> | |
26 | #include <glib.h> | |
27 | #include "sigrok.h" | |
28 | #include "sigrok-internal.h" | |
29 | ||
30 | /* The list of loaded plugins lives here. */ | |
31 | static GSList *plugins; | |
32 | ||
33 | /* | |
34 | * This enumerates which plugin capabilities correspond to user-settable | |
35 | * options. | |
36 | */ | |
37 | /* TODO: This shouldn't be a global. */ | |
38 | struct sr_hwcap_option sr_hwcap_options[] = { | |
39 | {SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"}, | |
40 | {SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"}, | |
41 | {SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "patternmode"}, | |
42 | {SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"}, | |
43 | {0, 0, NULL, NULL}, | |
44 | }; | |
45 | ||
46 | #ifdef HAVE_LA_DEMO | |
47 | extern struct sr_device_plugin demo_plugin_info; | |
48 | #endif | |
49 | #ifdef HAVE_LA_SALEAE_LOGIC | |
50 | extern struct sr_device_plugin saleae_logic_plugin_info; | |
51 | #endif | |
52 | #ifdef HAVE_LA_OLS | |
53 | extern struct sr_device_plugin ols_plugin_info; | |
54 | #endif | |
55 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
56 | extern struct sr_device_plugin zeroplus_logic_cube_plugin_info; | |
57 | #endif | |
58 | #ifdef HAVE_LA_ASIX_SIGMA | |
59 | extern struct sr_device_plugin asix_sigma_plugin_info; | |
60 | #endif | |
61 | #ifdef HAVE_LA_CHRONOVU_LA8 | |
62 | extern struct device_plugin chronovu_la8_plugin_info; | |
63 | #endif | |
64 | #ifdef HAVE_LA_LINK_MSO19 | |
65 | extern struct sr_device_plugin link_mso19_plugin_info; | |
66 | #endif | |
67 | #ifdef HAVE_LA_ALSA | |
68 | extern struct sr_device_plugin alsa_plugin_info; | |
69 | #endif | |
70 | ||
71 | /* TODO: No linked list needed, this can be a simple array. */ | |
72 | int load_hwplugins(void) | |
73 | { | |
74 | #ifdef HAVE_LA_DEMO | |
75 | plugins = g_slist_append(plugins, (gpointer *)&demo_plugin_info); | |
76 | #endif | |
77 | #ifdef HAVE_LA_SALEAE_LOGIC | |
78 | plugins = | |
79 | g_slist_append(plugins, (gpointer *)&saleae_logic_plugin_info); | |
80 | #endif | |
81 | #ifdef HAVE_LA_OLS | |
82 | plugins = g_slist_append(plugins, (gpointer *)&ols_plugin_info); | |
83 | #endif | |
84 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
85 | plugins = g_slist_append(plugins, | |
86 | (gpointer *)&zeroplus_logic_cube_plugin_info); | |
87 | #endif | |
88 | #ifdef HAVE_LA_ASIX_SIGMA | |
89 | plugins = g_slist_append(plugins, (gpointer *)&asix_sigma_plugin_info); | |
90 | #endif | |
91 | #ifdef HAVE_LA_CHRONOVU_LA8 | |
92 | plugins = g_slist_append(plugins, (gpointer *)&chronovu_la8_plugin_info); | |
93 | #endif | |
94 | #ifdef HAVE_LA_LINK_MSO19 | |
95 | plugins = g_slist_append(plugins, (gpointer *)&link_mso19_plugin_info); | |
96 | #endif | |
97 | #ifdef HAVE_LA_ALSA | |
98 | plugins = g_slist_append(plugins, (gpointer *)&alsa_plugin_info); | |
99 | #endif | |
100 | ||
101 | return SR_OK; | |
102 | } | |
103 | ||
104 | GSList *sr_list_hwplugins(void) | |
105 | { | |
106 | return plugins; | |
107 | } | |
108 | ||
109 | int sr_init_hwplugins(struct sr_device_plugin *plugin) | |
110 | { | |
111 | int num_devices, num_probes, i, j; | |
112 | int num_initialized_devices = 0; | |
113 | struct sr_device *device; | |
114 | char **probe_names; | |
115 | ||
116 | g_message("initializing %s plugin", plugin->name); | |
117 | num_devices = plugin->init(NULL); | |
118 | for (i = 0; i < num_devices; i++) { | |
119 | num_probes = GPOINTER_TO_INT( | |
120 | plugin->get_device_info(i, SR_DI_NUM_PROBES)); | |
121 | probe_names = (char **)plugin->get_device_info(i, | |
122 | SR_DI_PROBE_NAMES); | |
123 | ||
124 | if (!probe_names) { | |
125 | sr_warn("hwplugin: %s: plugin %s does not return a " | |
126 | "list of probe names", __func__, plugin->name); | |
127 | continue; | |
128 | } | |
129 | ||
130 | device = sr_device_new(plugin, i); | |
131 | for (j = 0; j < num_probes; j++) | |
132 | sr_device_probe_add(device, probe_names[j]); | |
133 | num_initialized_devices++; | |
134 | } | |
135 | ||
136 | return num_initialized_devices; | |
137 | } | |
138 | ||
139 | void sr_cleanup_hwplugins(void) | |
140 | { | |
141 | struct sr_device_plugin *plugin; | |
142 | GSList *l; | |
143 | ||
144 | for (l = plugins; l; l = l->next) { | |
145 | plugin = l->data; | |
146 | if (plugin->cleanup) | |
147 | plugin->cleanup(); | |
148 | } | |
149 | } | |
150 | ||
151 | struct sr_device_instance *sr_device_instance_new(int index, int status, | |
152 | const char *vendor, const char *model, const char *version) | |
153 | { | |
154 | struct sr_device_instance *sdi; | |
155 | ||
156 | if (!(sdi = g_malloc(sizeof(struct sr_device_instance)))) | |
157 | return NULL; | |
158 | ||
159 | sdi->index = index; | |
160 | sdi->status = status; | |
161 | sdi->instance_type = -1; | |
162 | sdi->vendor = vendor ? g_strdup(vendor) : NULL; | |
163 | sdi->model = model ? g_strdup(model) : NULL; | |
164 | sdi->version = version ? g_strdup(version) : NULL; | |
165 | sdi->priv = NULL; | |
166 | sdi->usb = NULL; | |
167 | ||
168 | return sdi; | |
169 | } | |
170 | ||
171 | struct sr_device_instance *sr_get_device_instance(GSList *device_instances, | |
172 | int device_index) | |
173 | { | |
174 | struct sr_device_instance *sdi; | |
175 | GSList *l; | |
176 | ||
177 | for (l = device_instances; l; l = l->next) { | |
178 | sdi = (struct sr_device_instance *)(l->data); | |
179 | if (sdi->index == device_index) | |
180 | return sdi; | |
181 | } | |
182 | sr_warn("could not find device index %d instance", device_index); | |
183 | ||
184 | return NULL; | |
185 | } | |
186 | ||
187 | void sr_device_instance_free(struct sr_device_instance *sdi) | |
188 | { | |
189 | switch (sdi->instance_type) { | |
190 | #ifdef HAVE_LIBUSB_1_0 | |
191 | case SR_USB_INSTANCE: | |
192 | sr_usb_device_instance_free(sdi->usb); | |
193 | break; | |
194 | #endif | |
195 | case SR_SERIAL_INSTANCE: | |
196 | sr_serial_device_instance_free(sdi->serial); | |
197 | break; | |
198 | default: | |
199 | /* No specific type, nothing extra to free. */ | |
200 | break; | |
201 | } | |
202 | ||
203 | if (sdi->priv) | |
204 | g_free(sdi->priv); | |
205 | ||
206 | g_free(sdi->vendor); | |
207 | g_free(sdi->model); | |
208 | g_free(sdi->version); | |
209 | g_free(sdi); | |
210 | } | |
211 | ||
212 | #ifdef HAVE_LIBUSB_1_0 | |
213 | ||
214 | struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus, | |
215 | uint8_t address, struct libusb_device_handle *hdl) | |
216 | { | |
217 | struct sr_usb_device_instance *udi; | |
218 | ||
219 | if (!(udi = malloc(sizeof(struct sr_usb_device_instance)))) | |
220 | return NULL; | |
221 | ||
222 | udi->bus = bus; | |
223 | udi->address = address; | |
224 | udi->devhdl = hdl; /* TODO: Check if this is NULL? */ | |
225 | ||
226 | return udi; | |
227 | } | |
228 | ||
229 | void sr_usb_device_instance_free(struct sr_usb_device_instance *usb) | |
230 | { | |
231 | /* Avoid compiler warnings. */ | |
232 | (void)usb; | |
233 | ||
234 | /* Nothing to do for this device instance type. */ | |
235 | } | |
236 | ||
237 | #endif | |
238 | ||
239 | struct sr_serial_device_instance *sr_serial_device_instance_new( | |
240 | const char *port, int fd) | |
241 | { | |
242 | struct sr_serial_device_instance *serial; | |
243 | ||
244 | if (!(serial = malloc(sizeof(struct sr_serial_device_instance)))) | |
245 | return NULL; | |
246 | ||
247 | serial->port = strdup(port); | |
248 | serial->fd = fd; | |
249 | ||
250 | return serial; | |
251 | } | |
252 | ||
253 | void sr_serial_device_instance_free(struct sr_serial_device_instance *serial) | |
254 | { | |
255 | free(serial->port); | |
256 | } | |
257 | ||
258 | int sr_find_hwcap(int *capabilities, int hwcap) | |
259 | { | |
260 | int i; | |
261 | ||
262 | for (i = 0; capabilities[i]; i++) { | |
263 | if (capabilities[i] == hwcap) | |
264 | return TRUE; | |
265 | } | |
266 | ||
267 | return FALSE; | |
268 | } | |
269 | ||
270 | struct sr_hwcap_option *sr_find_hwcap_option(int hwcap) | |
271 | { | |
272 | int i; | |
273 | ||
274 | for (i = 0; sr_hwcap_options[i].capability; i++) { | |
275 | if (sr_hwcap_options[i].capability == hwcap) | |
276 | return &sr_hwcap_options[i]; | |
277 | } | |
278 | ||
279 | return NULL; | |
280 | } | |
281 | ||
282 | /* unnecessary level of indirection follows. */ | |
283 | ||
284 | void sr_source_remove(int fd) | |
285 | { | |
286 | sr_session_source_remove(fd); | |
287 | } | |
288 | ||
289 | void sr_source_add(int fd, int events, int timeout, | |
290 | sr_receive_data_callback rcv_cb, void *user_data) | |
291 | { | |
292 | sr_session_source_add(fd, events, timeout, rcv_cb, user_data); | |
293 | } |