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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 | ||
29 | /* The list of loaded plugins lives here. */ | |
30 | GSList *plugins; | |
31 | ||
32 | /* | |
33 | * This enumerates which plugin capabilities correspond to user-settable | |
34 | * options. | |
35 | */ | |
36 | /* TODO: This shouldn't be a global. */ | |
37 | struct sr_hwcap_option sr_hwcap_options[] = { | |
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"}, | |
41 | {0, 0, NULL, NULL}, | |
42 | }; | |
43 | ||
44 | #ifdef HAVE_LA_DEMO | |
45 | extern struct sr_device_plugin demo_plugin_info; | |
46 | #endif | |
47 | #ifdef HAVE_LA_SALEAE_LOGIC | |
48 | extern struct sr_device_plugin saleae_logic_plugin_info; | |
49 | #endif | |
50 | #ifdef HAVE_LA_OLS | |
51 | extern struct sr_device_plugin ols_plugin_info; | |
52 | #endif | |
53 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
54 | extern struct sr_device_plugin zeroplus_logic_cube_plugin_info; | |
55 | #endif | |
56 | #ifdef HAVE_LA_ASIX_SIGMA | |
57 | extern struct sr_device_plugin asix_sigma_plugin_info; | |
58 | #endif | |
59 | #ifdef HAVE_LA_LINK_MSO19 | |
60 | extern struct sr_device_plugin link_mso19_plugin_info; | |
61 | #endif | |
62 | #ifdef HAVE_LA_ALSA | |
63 | extern struct sr_device_plugin alsa_plugin_info; | |
64 | #endif | |
65 | ||
66 | ||
67 | /* TODO: No linked list needed, this can be a simple array. */ | |
68 | int load_hwplugins(void) | |
69 | { | |
70 | #ifdef HAVE_LA_DEMO | |
71 | plugins = g_slist_append(plugins, (gpointer *)&demo_plugin_info); | |
72 | #endif | |
73 | #ifdef HAVE_LA_SALEAE_LOGIC | |
74 | plugins = | |
75 | g_slist_append(plugins, (gpointer *)&saleae_logic_plugin_info); | |
76 | #endif | |
77 | #ifdef HAVE_LA_OLS | |
78 | plugins = g_slist_append(plugins, (gpointer *)&ols_plugin_info); | |
79 | #endif | |
80 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
81 | plugins = g_slist_append(plugins, | |
82 | (gpointer *)&zeroplus_logic_cube_plugin_info); | |
83 | #endif | |
84 | #ifdef HAVE_LA_ASIX_SIGMA | |
85 | plugins = g_slist_append(plugins, (gpointer *)&asix_sigma_plugin_info); | |
86 | #endif | |
87 | #ifdef HAVE_LA_LINK_MSO19 | |
88 | plugins = g_slist_append(plugins, (gpointer *)&link_mso19_plugin_info); | |
89 | #endif | |
90 | #ifdef HAVE_LA_ALSA | |
91 | plugins = g_slist_append(plugins, (gpointer *)&alsa_plugin_info); | |
92 | #endif | |
93 | ||
94 | ||
95 | return SR_OK; | |
96 | } | |
97 | ||
98 | GSList *list_hwplugins(void) | |
99 | { | |
100 | return plugins; | |
101 | } | |
102 | ||
103 | struct sr_device_instance *sr_device_instance_new(int index, int status, | |
104 | const char *vendor, const char *model, const char *version) | |
105 | { | |
106 | struct sr_device_instance *sdi; | |
107 | ||
108 | if (!(sdi = malloc(sizeof(struct sr_device_instance)))) | |
109 | return NULL; | |
110 | ||
111 | sdi->index = index; | |
112 | sdi->status = status; | |
113 | sdi->instance_type = -1; | |
114 | sdi->vendor = vendor ? strdup(vendor) : strdup("(unknown)"); | |
115 | sdi->model = model ? strdup(model) : NULL; | |
116 | sdi->version = version ? strdup(version) : NULL; | |
117 | sdi->priv = NULL; | |
118 | sdi->usb = NULL; | |
119 | ||
120 | return sdi; | |
121 | } | |
122 | ||
123 | struct sr_device_instance *sr_get_device_instance(GSList *device_instances, | |
124 | int device_index) | |
125 | { | |
126 | struct sr_device_instance *sdi; | |
127 | GSList *l; | |
128 | ||
129 | for (l = device_instances; l; l = l->next) { | |
130 | sdi = (struct sr_device_instance *)(l->data); | |
131 | if (sdi->index == device_index) | |
132 | return sdi; | |
133 | } | |
134 | g_warning("could not find device index %d instance", device_index); | |
135 | ||
136 | return NULL; | |
137 | } | |
138 | ||
139 | void sr_device_instance_free(struct sr_device_instance *sdi) | |
140 | { | |
141 | switch (sdi->instance_type) { | |
142 | #ifdef HAVE_LIBUSB_1_0 | |
143 | case SR_USB_INSTANCE: | |
144 | sr_usb_device_instance_free(sdi->usb); | |
145 | break; | |
146 | #endif | |
147 | case SR_SERIAL_INSTANCE: | |
148 | sr_serial_device_instance_free(sdi->serial); | |
149 | break; | |
150 | default: | |
151 | /* No specific type, nothing extra to free. */ | |
152 | break; | |
153 | } | |
154 | ||
155 | free(sdi->vendor); | |
156 | free(sdi->model); | |
157 | free(sdi->version); | |
158 | free(sdi); | |
159 | } | |
160 | ||
161 | #ifdef HAVE_LIBUSB_1_0 | |
162 | ||
163 | struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus, | |
164 | uint8_t address, struct libusb_device_handle *hdl) | |
165 | { | |
166 | struct sr_usb_device_instance *udi; | |
167 | ||
168 | if (!(udi = malloc(sizeof(struct sr_usb_device_instance)))) | |
169 | return NULL; | |
170 | ||
171 | udi->bus = bus; | |
172 | udi->address = address; | |
173 | udi->devhdl = hdl; /* TODO: Check if this is NULL? */ | |
174 | ||
175 | return udi; | |
176 | } | |
177 | ||
178 | void sr_usb_device_instance_free(struct sr_usb_device_instance *usb) | |
179 | { | |
180 | /* Avoid compiler warnings. */ | |
181 | usb = usb; | |
182 | ||
183 | /* Nothing to do for this device instance type. */ | |
184 | } | |
185 | ||
186 | #endif | |
187 | ||
188 | struct sr_serial_device_instance *sr_serial_device_instance_new( | |
189 | const char *port, int fd) | |
190 | { | |
191 | struct sr_serial_device_instance *serial; | |
192 | ||
193 | if (!(serial = malloc(sizeof(struct sr_serial_device_instance)))) | |
194 | return NULL; | |
195 | ||
196 | serial->port = strdup(port); | |
197 | serial->fd = fd; | |
198 | ||
199 | return serial; | |
200 | } | |
201 | ||
202 | void sr_serial_device_instance_free(struct sr_serial_device_instance *serial) | |
203 | { | |
204 | free(serial->port); | |
205 | } | |
206 | ||
207 | int sr_find_hwcap(int *capabilities, int hwcap) | |
208 | { | |
209 | int i; | |
210 | ||
211 | for (i = 0; capabilities[i]; i++) { | |
212 | if (capabilities[i] == hwcap) | |
213 | return TRUE; | |
214 | } | |
215 | ||
216 | return FALSE; | |
217 | } | |
218 | ||
219 | struct sr_hwcap_option *sr_find_hwcap_option(int hwcap) | |
220 | { | |
221 | int i; | |
222 | ||
223 | for (i = 0; sr_hwcap_options[i].capability; i++) { | |
224 | if (sr_hwcap_options[i].capability == hwcap) | |
225 | return &sr_hwcap_options[i]; | |
226 | } | |
227 | ||
228 | return NULL; | |
229 | } | |
230 | ||
231 | /* unnecessary level of indirection follows. */ | |
232 | ||
233 | void source_remove(int fd) | |
234 | { | |
235 | sr_session_source_remove(fd); | |
236 | } | |
237 | ||
238 | void source_add(int fd, int events, int timeout, receive_data_callback rcv_cb, | |
239 | void *user_data) | |
240 | { | |
241 | sr_session_source_add(fd, events, timeout, rcv_cb, user_data); | |
242 | } |