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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 | ||
28 | source_callback_add source_cb_add = NULL; | |
29 | source_callback_remove source_cb_remove = NULL; | |
30 | ||
31 | /* The list of loaded plugins lives here. */ | |
32 | GSList *plugins; | |
33 | ||
34 | /* | |
35 | * This enumerates which plugin capabilities correspond to user-settable | |
36 | * options. | |
37 | */ | |
38 | struct hwcap_option hwcap_options[] = { | |
39 | {HWCAP_SAMPLERATE, T_UINT64, "Sample rate", "samplerate"}, | |
40 | {0, 0, NULL, NULL}, | |
41 | }; | |
42 | ||
43 | #ifdef HAVE_LA_SALEAE_LOGIC | |
44 | extern struct device_plugin saleae_logic_plugin_info; | |
45 | #endif | |
46 | #ifdef HAVE_LA_OLS | |
47 | extern struct device_plugin ols_plugin_info; | |
48 | #endif | |
49 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
50 | extern struct device_plugin zeroplus_logic_cube_plugin_info; | |
51 | #endif | |
52 | #ifdef HAVE_LA_ASIX_SIGMA | |
53 | extern struct device_plugin asix_sigma_plugin_info; | |
54 | #endif | |
55 | ||
56 | /* TODO: No linked list needed, this can be a simple array. */ | |
57 | int load_hwplugins(void) | |
58 | { | |
59 | #ifdef HAVE_LA_SALEAE_LOGIC | |
60 | plugins = | |
61 | g_slist_append(plugins, (gpointer *)&saleae_logic_plugin_info); | |
62 | #endif | |
63 | #ifdef HAVE_LA_OLS | |
64 | plugins = g_slist_append(plugins, (gpointer *)&ols_plugin_info); | |
65 | #endif | |
66 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
67 | plugins = g_slist_append(plugins, | |
68 | (gpointer *)&zeroplus_logic_cube_plugin_info); | |
69 | #endif | |
70 | #ifdef HAVE_LA_ASIX_SIGMA | |
71 | plugins = g_slist_append(plugins, (gpointer *)&asix_sigma_plugin_info); | |
72 | #endif | |
73 | ||
74 | return SIGROK_OK; | |
75 | } | |
76 | ||
77 | GSList *list_hwplugins(void) | |
78 | { | |
79 | return plugins; | |
80 | } | |
81 | ||
82 | struct sigrok_device_instance *sigrok_device_instance_new(int index, int status, | |
83 | const char *vendor, const char *model, const char *version) | |
84 | { | |
85 | struct sigrok_device_instance *sdi; | |
86 | ||
87 | if (!(sdi = malloc(sizeof(struct sigrok_device_instance)))) | |
88 | return NULL; | |
89 | ||
90 | sdi->index = index; | |
91 | sdi->status = status; | |
92 | sdi->instance_type = -1; | |
93 | sdi->vendor = strdup(vendor); | |
94 | sdi->model = strdup(model); | |
95 | sdi->version = strdup(version); | |
96 | sdi->usb = NULL; | |
97 | ||
98 | return sdi; | |
99 | } | |
100 | ||
101 | struct sigrok_device_instance *get_sigrok_device_instance( | |
102 | GSList *device_instances, int device_index) | |
103 | { | |
104 | struct sigrok_device_instance *sdi; | |
105 | GSList *l; | |
106 | ||
107 | for (l = device_instances; l; l = l->next) { | |
108 | sdi = (struct sigrok_device_instance *)(l->data); | |
109 | if (sdi->index == device_index) | |
110 | return sdi; | |
111 | } | |
112 | g_warning("could not find device index %d instance", device_index); | |
113 | ||
114 | return NULL; | |
115 | } | |
116 | ||
117 | void sigrok_device_instance_free(struct sigrok_device_instance *sdi) | |
118 | { | |
119 | switch (sdi->instance_type) { | |
120 | case USB_INSTANCE: | |
121 | usb_device_instance_free(sdi->usb); | |
122 | break; | |
123 | case SERIAL_INSTANCE: | |
124 | serial_device_instance_free(sdi->serial); | |
125 | break; | |
126 | default: | |
127 | /* No specific type, nothing extra to free. */ | |
128 | break; | |
129 | } | |
130 | ||
131 | free(sdi->vendor); | |
132 | free(sdi->model); | |
133 | free(sdi->version); | |
134 | free(sdi); | |
135 | } | |
136 | ||
137 | struct usb_device_instance *usb_device_instance_new(uint8_t bus, | |
138 | uint8_t address, struct libusb_device_handle *hdl) | |
139 | { | |
140 | struct usb_device_instance *udi; | |
141 | ||
142 | if (!(udi = malloc(sizeof(struct usb_device_instance)))) | |
143 | return NULL; | |
144 | ||
145 | udi->bus = bus; | |
146 | udi->address = address; | |
147 | udi->devhdl = hdl; /* TODO: Check if this is NULL? */ | |
148 | ||
149 | return udi; | |
150 | } | |
151 | ||
152 | void usb_device_instance_free(struct usb_device_instance *usb) | |
153 | { | |
154 | /* QUICK HACK */ | |
155 | usb = usb; | |
156 | ||
157 | /* Nothing to do for this device instance type. */ | |
158 | } | |
159 | ||
160 | struct serial_device_instance *serial_device_instance_new( | |
161 | const char *port, int fd) | |
162 | { | |
163 | struct serial_device_instance *serial; | |
164 | ||
165 | if (!(serial = malloc(sizeof(struct serial_device_instance)))) | |
166 | return NULL; | |
167 | ||
168 | serial->port = strdup(port); | |
169 | serial->fd = fd; | |
170 | ||
171 | return serial; | |
172 | } | |
173 | ||
174 | void serial_device_instance_free(struct serial_device_instance *serial) | |
175 | { | |
176 | free(serial->port); | |
177 | } | |
178 | ||
179 | int find_hwcap(int *capabilities, int hwcap) | |
180 | { | |
181 | int i; | |
182 | ||
183 | for (i = 0; capabilities[i]; i++) { | |
184 | if (capabilities[i] == hwcap) | |
185 | return TRUE; | |
186 | } | |
187 | ||
188 | return FALSE; | |
189 | } | |
190 | ||
191 | struct hwcap_option *find_hwcap_option(int hwcap) | |
192 | { | |
193 | int i; | |
194 | ||
195 | for (i = 0; hwcap_options[i].capability; i++) { | |
196 | if (hwcap_options[i].capability == hwcap) | |
197 | return &hwcap_options[i]; | |
198 | } | |
199 | ||
200 | return NULL; | |
201 | } | |
202 | ||
203 | void source_remove(int fd) | |
204 | { | |
205 | if (source_cb_remove) | |
206 | source_cb_remove(fd); | |
207 | } | |
208 | ||
209 | void source_add(int fd, int events, int timeout, receive_data_callback rcv_cb, | |
210 | void *user_data) | |
211 | { | |
212 | if (source_cb_add) | |
213 | source_cb_add(fd, events, timeout, rcv_cb, user_data); | |
214 | } |