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f302a082 JH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
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 <stdio.h> | |
21 | #include <stdlib.h> | |
187b3582 JH |
22 | #include <glib.h> |
23 | #include <libusb.h> | |
f302a082 JH |
24 | |
25 | #include "config.h" | |
26 | #include "sigrok.h" | |
27 | #include "sigrok-internal.h" | |
28 | #include "fx2lafw.h" | |
29 | ||
187b3582 JH |
30 | static struct fx2lafw_profile supported_fx2[] = { |
31 | /* USBee AX */ | |
32 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, 8 }, | |
33 | { 0, 0, 0, 0, 0, 0 } | |
34 | }; | |
35 | ||
36 | static GSList *device_instances = NULL; | |
37 | static libusb_context *usb_context = NULL; | |
38 | ||
39 | static struct fx2lafw_device* fx2lafw_device_new(void) | |
40 | { | |
41 | struct fx2lafw_device *fx2lafw; | |
42 | ||
43 | if (!(fx2lafw = g_try_malloc0(sizeof(struct fx2lafw_device)))) { | |
44 | sr_err("fx2lafw: %s: fx2lafw_device malloc failed", __func__); | |
45 | return NULL; | |
46 | } | |
47 | ||
48 | return fx2lafw; | |
49 | } | |
f302a082 JH |
50 | |
51 | /* | |
52 | * API callbacks | |
53 | */ | |
54 | ||
55 | static int hw_init(const char *deviceinfo) | |
56 | { | |
187b3582 JH |
57 | struct sr_dev_inst *sdi; |
58 | struct libusb_device_descriptor des; | |
59 | struct fx2lafw_profile *fx2lafw_prof; | |
60 | struct fx2lafw_device *fx2lafw_dev; | |
61 | libusb_device **devlist; | |
62 | int err; | |
63 | int devcnt = 0; | |
64 | int i, j; | |
65 | ||
66 | /* Avoid compiler warnings. */ | |
f302a082 | 67 | (void)deviceinfo; |
187b3582 JH |
68 | |
69 | if (libusb_init(&usb_context) != 0) { | |
70 | sr_warn("Failed to initialize USB."); | |
71 | return 0; | |
72 | } | |
73 | ||
74 | /* Find all fx2lafw compatible devices and upload firware to all of them. */ | |
75 | libusb_get_device_list(usb_context, &devlist); | |
76 | for (i = 0; devlist[i]; i++) { | |
77 | ||
78 | if ((err = libusb_get_device_descriptor( | |
79 | devlist[i], &des)) != 0) { | |
80 | sr_warn("failed to get device descriptor: %d", err); | |
81 | continue; | |
82 | } | |
83 | ||
84 | fx2lafw_prof = NULL; | |
85 | for (j = 0; supported_fx2[j].vid; j++) { | |
86 | if (des.idVendor == supported_fx2[j].vid && | |
87 | des.idProduct == supported_fx2[j].pid) { | |
88 | fx2lafw_prof = &supported_fx2[j]; | |
89 | } | |
90 | } | |
91 | ||
92 | /* Skip if the device was not found */ | |
93 | if(!fx2lafw_prof) | |
94 | continue; | |
95 | ||
96 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, | |
97 | fx2lafw_prof->vendor, fx2lafw_prof->model, | |
98 | fx2lafw_prof->model_version); | |
99 | if(!sdi) | |
100 | return 0; | |
101 | ||
102 | fx2lafw_dev = fx2lafw_device_new(); | |
103 | fx2lafw_dev->profile = fx2lafw_prof; | |
104 | sdi->priv = fx2lafw_dev; | |
105 | device_instances = g_slist_append(device_instances, sdi); | |
106 | ||
107 | devcnt++; | |
108 | } | |
109 | libusb_free_device_list(devlist, 1); | |
110 | ||
111 | return devcnt; | |
f302a082 JH |
112 | } |
113 | ||
114 | static int hw_dev_open(int device_index) | |
115 | { | |
116 | (void)device_index; | |
117 | return SR_OK; | |
118 | } | |
119 | ||
120 | static int hw_dev_close(int device_index) | |
121 | { | |
122 | (void)device_index; | |
123 | return SR_OK; | |
124 | } | |
125 | ||
126 | static int hw_cleanup(void) | |
127 | { | |
187b3582 JH |
128 | GSList *l; |
129 | struct sr_dev_inst *sdi; | |
130 | ||
131 | for(l = device_instances; l; l = l->next) { | |
132 | sdi = l->data; | |
133 | sr_dev_inst_free(sdi); | |
134 | } | |
135 | ||
136 | g_slist_free(device_instances); | |
137 | device_instances = NULL; | |
138 | ||
139 | if(usb_context) | |
140 | libusb_exit(usb_context); | |
141 | usb_context = NULL; | |
142 | ||
f302a082 JH |
143 | return SR_OK; |
144 | } | |
145 | ||
146 | static void *hw_dev_info_get(int device_index, int device_info_id) | |
147 | { | |
148 | (void)device_index; | |
149 | (void)device_info_id; | |
150 | return NULL; | |
151 | } | |
152 | ||
153 | static int hw_dev_status_get(int device_index) | |
154 | { | |
155 | (void)device_index; | |
156 | return SR_ST_NOT_FOUND; | |
157 | } | |
158 | ||
159 | static int *hw_hwcap_get_all(void) | |
160 | { | |
161 | return NULL; | |
162 | } | |
163 | ||
164 | static int hw_dev_config_set(int dev_index, int capability, void *value) | |
165 | { | |
166 | (void)dev_index; | |
167 | (void)capability; | |
168 | (void)value; | |
169 | return SR_OK; | |
170 | } | |
171 | ||
172 | static int hw_dev_acquisition_start(int dev_index, gpointer session_data) | |
173 | { | |
174 | (void)dev_index; | |
175 | (void)session_data; | |
176 | return SR_OK; | |
177 | } | |
178 | ||
179 | /* This stops acquisition on ALL devices, ignoring device_index. */ | |
180 | static int hw_dev_acquisition_stop(int dev_index, gpointer session_data) | |
181 | { | |
182 | (void)dev_index; | |
183 | (void)session_data; | |
184 | return SR_OK; | |
185 | } | |
186 | ||
187 | SR_PRIV struct sr_dev_plugin fx2lafw_plugin_info = { | |
188 | .name = "fx2lafw", | |
189 | .longname = "fx2lafw", | |
190 | .api_version = 1, | |
191 | .init = hw_init, | |
192 | .cleanup = hw_cleanup, | |
193 | .dev_open = hw_dev_open, | |
194 | .dev_close = hw_dev_close, | |
195 | .dev_info_get = hw_dev_info_get, | |
196 | .dev_status_get = hw_dev_status_get, | |
197 | .hwcap_get_all = hw_hwcap_get_all, | |
198 | .dev_config_set = hw_dev_config_set, | |
199 | .dev_acquisition_start = hw_dev_acquisition_start, | |
200 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
201 | }; |