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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 <stdlib.h> | |
21 | #include <stdio.h> | |
22 | #include <sys/types.h> | |
23 | #include <dirent.h> | |
24 | #include <string.h> | |
25 | #include <glib.h> | |
26 | #include <sigrok.h> | |
27 | #include "config.h" | |
28 | ||
29 | source_callback_add source_cb_add = NULL; | |
30 | source_callback_remove source_cb_remove = NULL; | |
31 | ||
32 | /* The list of loaded plugins lives here. */ | |
33 | GSList *plugins; | |
34 | ||
35 | /* | |
36 | * This enumerates which plugin capabilities correspond to user-settable | |
37 | * options. | |
38 | */ | |
39 | struct hwcap_option hwcap_options[] = { | |
40 | {HWCAP_SAMPLERATE, T_UINT64, "Sample rate", "samplerate"}, | |
41 | {HWCAP_CAPTURE_RATIO, T_UINT64, "Pre-trigger capture ratio", "captureratio"}, | |
42 | {HWCAP_PATTERN_MODE, T_CHAR, "Pattern generator mode", "patternmode"}, | |
43 | {0, 0, NULL, NULL}, | |
44 | }; | |
45 | ||
46 | #ifdef HAVE_LA_DEMO | |
47 | extern struct device_plugin demo_plugin_info; | |
48 | #endif | |
49 | #ifdef HAVE_LA_SALEAE_LOGIC | |
50 | extern struct device_plugin saleae_logic_plugin_info; | |
51 | #endif | |
52 | #ifdef HAVE_LA_OLS | |
53 | extern struct device_plugin ols_plugin_info; | |
54 | #endif | |
55 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
56 | extern struct device_plugin zeroplus_logic_cube_plugin_info; | |
57 | #endif | |
58 | #ifdef HAVE_LA_ASIX_SIGMA | |
59 | extern struct device_plugin asix_sigma_plugin_info; | |
60 | #endif | |
61 | #ifdef HAVE_LA_LINK_MSO19 | |
62 | extern struct device_plugin link_mso19_plugin_info; | |
63 | #endif | |
64 | #ifdef HAVE_LA_ALSA | |
65 | extern struct device_plugin alsa_plugin_info; | |
66 | #endif | |
67 | ||
68 | ||
69 | /* TODO: No linked list needed, this can be a simple array. */ | |
70 | int load_hwplugins(void) | |
71 | { | |
72 | #ifdef HAVE_LA_DEMO | |
73 | plugins = g_slist_append(plugins, (gpointer *)&demo_plugin_info); | |
74 | #endif | |
75 | #ifdef HAVE_LA_SALEAE_LOGIC | |
76 | plugins = | |
77 | g_slist_append(plugins, (gpointer *)&saleae_logic_plugin_info); | |
78 | #endif | |
79 | #ifdef HAVE_LA_OLS | |
80 | plugins = g_slist_append(plugins, (gpointer *)&ols_plugin_info); | |
81 | #endif | |
82 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
83 | plugins = g_slist_append(plugins, | |
84 | (gpointer *)&zeroplus_logic_cube_plugin_info); | |
85 | #endif | |
86 | #ifdef HAVE_LA_ASIX_SIGMA | |
87 | plugins = g_slist_append(plugins, (gpointer *)&asix_sigma_plugin_info); | |
88 | #endif | |
89 | #ifdef HAVE_LA_LINK_MSO19 | |
90 | plugins = g_slist_append(plugins, (gpointer *)&link_mso19_plugin_info); | |
91 | #endif | |
92 | #ifdef HAVE_LA_ALSA | |
93 | plugins = g_slist_append(plugins, (gpointer *)&alsa_plugin_info); | |
94 | #endif | |
95 | ||
96 | ||
97 | return SIGROK_OK; | |
98 | } | |
99 | ||
100 | GSList *list_hwplugins(void) | |
101 | { | |
102 | return plugins; | |
103 | } | |
104 | ||
105 | struct sigrok_device_instance *sigrok_device_instance_new(int index, int status, | |
106 | const char *vendor, const char *model, const char *version) | |
107 | { | |
108 | struct sigrok_device_instance *sdi; | |
109 | ||
110 | if (!(sdi = malloc(sizeof(struct sigrok_device_instance)))) | |
111 | return NULL; | |
112 | ||
113 | sdi->index = index; | |
114 | sdi->status = status; | |
115 | sdi->instance_type = -1; | |
116 | sdi->vendor = vendor ? strdup(vendor) : strdup("(unknown)"); | |
117 | sdi->model = model ? strdup(model) : NULL; | |
118 | sdi->version = version ? strdup(version) : NULL; | |
119 | sdi->priv = NULL; | |
120 | sdi->usb = NULL; | |
121 | ||
122 | return sdi; | |
123 | } | |
124 | ||
125 | struct sigrok_device_instance *get_sigrok_device_instance( | |
126 | GSList *device_instances, int device_index) | |
127 | { | |
128 | struct sigrok_device_instance *sdi; | |
129 | GSList *l; | |
130 | ||
131 | for (l = device_instances; l; l = l->next) { | |
132 | sdi = (struct sigrok_device_instance *)(l->data); | |
133 | if (sdi->index == device_index) | |
134 | return sdi; | |
135 | } | |
136 | g_warning("could not find device index %d instance", device_index); | |
137 | ||
138 | return NULL; | |
139 | } | |
140 | ||
141 | void sigrok_device_instance_free(struct sigrok_device_instance *sdi) | |
142 | { | |
143 | switch (sdi->instance_type) { | |
144 | case USB_INSTANCE: | |
145 | usb_device_instance_free(sdi->usb); | |
146 | break; | |
147 | case SERIAL_INSTANCE: | |
148 | 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 | struct usb_device_instance *usb_device_instance_new(uint8_t bus, | |
162 | uint8_t address, struct libusb_device_handle *hdl) | |
163 | { | |
164 | struct usb_device_instance *udi; | |
165 | ||
166 | if (!(udi = malloc(sizeof(struct usb_device_instance)))) | |
167 | return NULL; | |
168 | ||
169 | udi->bus = bus; | |
170 | udi->address = address; | |
171 | udi->devhdl = hdl; /* TODO: Check if this is NULL? */ | |
172 | ||
173 | return udi; | |
174 | } | |
175 | ||
176 | void usb_device_instance_free(struct usb_device_instance *usb) | |
177 | { | |
178 | /* Avoid compiler warnings. */ | |
179 | usb = usb; | |
180 | ||
181 | /* Nothing to do for this device instance type. */ | |
182 | } | |
183 | ||
184 | struct serial_device_instance *serial_device_instance_new( | |
185 | const char *port, int fd) | |
186 | { | |
187 | struct serial_device_instance *serial; | |
188 | ||
189 | if (!(serial = malloc(sizeof(struct serial_device_instance)))) | |
190 | return NULL; | |
191 | ||
192 | serial->port = strdup(port); | |
193 | serial->fd = fd; | |
194 | ||
195 | return serial; | |
196 | } | |
197 | ||
198 | void serial_device_instance_free(struct serial_device_instance *serial) | |
199 | { | |
200 | free(serial->port); | |
201 | } | |
202 | ||
203 | int find_hwcap(int *capabilities, int hwcap) | |
204 | { | |
205 | int i; | |
206 | ||
207 | for (i = 0; capabilities[i]; i++) { | |
208 | if (capabilities[i] == hwcap) | |
209 | return TRUE; | |
210 | } | |
211 | ||
212 | return FALSE; | |
213 | } | |
214 | ||
215 | struct hwcap_option *find_hwcap_option(int hwcap) | |
216 | { | |
217 | int i; | |
218 | ||
219 | for (i = 0; hwcap_options[i].capability; i++) { | |
220 | if (hwcap_options[i].capability == hwcap) | |
221 | return &hwcap_options[i]; | |
222 | } | |
223 | ||
224 | return NULL; | |
225 | } | |
226 | ||
227 | void source_remove(int fd) | |
228 | { | |
229 | if (source_cb_remove) | |
230 | source_cb_remove(fd); | |
231 | } | |
232 | ||
233 | void source_add(int fd, int events, int timeout, receive_data_callback rcv_cb, | |
234 | void *user_data) | |
235 | { | |
236 | if (source_cb_add) | |
237 | source_cb_add(fd, events, timeout, rcv_cb, user_data); | |
238 | } |