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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; | |
112 | ||
113 | g_message("initializing %s plugin", plugin->name); | |
114 | num_devices = plugin->init(NULL); | |
115 | for (i = 0; i < num_devices; i++) { | |
116 | num_probes = GPOINTER_TO_INT( | |
117 | plugin->get_device_info(i, SR_DI_NUM_PROBES)); | |
118 | sr_device_new(plugin, i, num_probes); | |
119 | } | |
120 | ||
121 | return num_devices; | |
122 | } | |
123 | ||
124 | void sr_cleanup_hwplugins(void) | |
125 | { | |
126 | struct sr_device_plugin *plugin; | |
127 | GSList *l; | |
128 | ||
129 | for (l = plugins; l; l = l->next) { | |
130 | plugin = l->data; | |
131 | if (plugin->cleanup) | |
132 | plugin->cleanup(); | |
133 | } | |
134 | } | |
135 | ||
136 | struct sr_device_instance *sr_device_instance_new(int index, int status, | |
137 | const char *vendor, const char *model, const char *version) | |
138 | { | |
139 | struct sr_device_instance *sdi; | |
140 | ||
141 | if (!(sdi = g_malloc(sizeof(struct sr_device_instance)))) | |
142 | return NULL; | |
143 | ||
144 | sdi->index = index; | |
145 | sdi->status = status; | |
146 | sdi->instance_type = -1; | |
147 | sdi->vendor = vendor ? g_strdup(vendor) : NULL; | |
148 | sdi->model = model ? g_strdup(model) : NULL; | |
149 | sdi->version = version ? g_strdup(version) : NULL; | |
150 | sdi->priv = NULL; | |
151 | sdi->usb = NULL; | |
152 | ||
153 | return sdi; | |
154 | } | |
155 | ||
156 | struct sr_device_instance *sr_get_device_instance(GSList *device_instances, | |
157 | int device_index) | |
158 | { | |
159 | struct sr_device_instance *sdi; | |
160 | GSList *l; | |
161 | ||
162 | for (l = device_instances; l; l = l->next) { | |
163 | sdi = (struct sr_device_instance *)(l->data); | |
164 | if (sdi->index == device_index) | |
165 | return sdi; | |
166 | } | |
167 | sr_warn("could not find device index %d instance", device_index); | |
168 | ||
169 | return NULL; | |
170 | } | |
171 | ||
172 | void sr_device_instance_free(struct sr_device_instance *sdi) | |
173 | { | |
174 | switch (sdi->instance_type) { | |
175 | #ifdef HAVE_LIBUSB_1_0 | |
176 | case SR_USB_INSTANCE: | |
177 | sr_usb_device_instance_free(sdi->usb); | |
178 | break; | |
179 | #endif | |
180 | case SR_SERIAL_INSTANCE: | |
181 | sr_serial_device_instance_free(sdi->serial); | |
182 | break; | |
183 | default: | |
184 | /* No specific type, nothing extra to free. */ | |
185 | break; | |
186 | } | |
187 | ||
188 | if (sdi->priv) | |
189 | g_free(sdi->priv); | |
190 | ||
191 | g_free(sdi->vendor); | |
192 | g_free(sdi->model); | |
193 | g_free(sdi->version); | |
194 | g_free(sdi); | |
195 | } | |
196 | ||
197 | #ifdef HAVE_LIBUSB_1_0 | |
198 | ||
199 | struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus, | |
200 | uint8_t address, struct libusb_device_handle *hdl) | |
201 | { | |
202 | struct sr_usb_device_instance *udi; | |
203 | ||
204 | if (!(udi = malloc(sizeof(struct sr_usb_device_instance)))) | |
205 | return NULL; | |
206 | ||
207 | udi->bus = bus; | |
208 | udi->address = address; | |
209 | udi->devhdl = hdl; /* TODO: Check if this is NULL? */ | |
210 | ||
211 | return udi; | |
212 | } | |
213 | ||
214 | void sr_usb_device_instance_free(struct sr_usb_device_instance *usb) | |
215 | { | |
216 | /* Avoid compiler warnings. */ | |
217 | (void)usb; | |
218 | ||
219 | /* Nothing to do for this device instance type. */ | |
220 | } | |
221 | ||
222 | #endif | |
223 | ||
224 | struct sr_serial_device_instance *sr_serial_device_instance_new( | |
225 | const char *port, int fd) | |
226 | { | |
227 | struct sr_serial_device_instance *serial; | |
228 | ||
229 | if (!(serial = malloc(sizeof(struct sr_serial_device_instance)))) | |
230 | return NULL; | |
231 | ||
232 | serial->port = strdup(port); | |
233 | serial->fd = fd; | |
234 | ||
235 | return serial; | |
236 | } | |
237 | ||
238 | void sr_serial_device_instance_free(struct sr_serial_device_instance *serial) | |
239 | { | |
240 | free(serial->port); | |
241 | } | |
242 | ||
243 | int sr_find_hwcap(int *capabilities, int hwcap) | |
244 | { | |
245 | int i; | |
246 | ||
247 | for (i = 0; capabilities[i]; i++) { | |
248 | if (capabilities[i] == hwcap) | |
249 | return TRUE; | |
250 | } | |
251 | ||
252 | return FALSE; | |
253 | } | |
254 | ||
255 | struct sr_hwcap_option *sr_find_hwcap_option(int hwcap) | |
256 | { | |
257 | int i; | |
258 | ||
259 | for (i = 0; sr_hwcap_options[i].capability; i++) { | |
260 | if (sr_hwcap_options[i].capability == hwcap) | |
261 | return &sr_hwcap_options[i]; | |
262 | } | |
263 | ||
264 | return NULL; | |
265 | } | |
266 | ||
267 | /* unnecessary level of indirection follows. */ | |
268 | ||
269 | void sr_source_remove(int fd) | |
270 | { | |
271 | sr_session_source_remove(fd); | |
272 | } | |
273 | ||
274 | void sr_source_add(int fd, int events, int timeout, | |
275 | sr_receive_data_callback rcv_cb, void *user_data) | |
276 | { | |
277 | sr_session_source_add(fd, events, timeout, rcv_cb, user_data); | |
278 | } |