]>
Commit | Line | Data |
---|---|---|
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> | |
8b35f474 | 22 | #include <inttypes.h> |
187b3582 JH |
23 | #include <glib.h> |
24 | #include <libusb.h> | |
f302a082 JH |
25 | |
26 | #include "config.h" | |
27 | #include "sigrok.h" | |
28 | #include "sigrok-internal.h" | |
29 | #include "fx2lafw.h" | |
30 | ||
187b3582 JH |
31 | static struct fx2lafw_profile supported_fx2[] = { |
32 | /* USBee AX */ | |
33 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, 8 }, | |
34 | { 0, 0, 0, 0, 0, 0 } | |
35 | }; | |
36 | ||
8b35f474 JH |
37 | static int fx2lafw_capabilities[] = { |
38 | SR_HWCAP_LOGIC_ANALYZER, | |
39 | SR_HWCAP_SAMPLERATE, | |
40 | ||
41 | /* These are really implemented in the driver, not the hardware. */ | |
42 | SR_HWCAP_LIMIT_SAMPLES, | |
43 | SR_HWCAP_CONTINUOUS, | |
44 | 0 | |
45 | }; | |
46 | ||
47 | static const char *fx2lafw_probe_names[] = { | |
48 | "D0", | |
49 | "D1", | |
50 | "D2", | |
51 | "D3", | |
52 | "D4", | |
53 | "D5", | |
54 | "D6", | |
55 | "D7", | |
56 | NULL | |
57 | }; | |
58 | ||
59 | static uint64_t fx2lafw_supported_samplerates[] = { | |
60 | SR_MHZ(1), | |
61 | SR_MHZ(2), | |
62 | SR_MHZ(3), | |
63 | SR_MHZ(4), | |
64 | SR_MHZ(6), | |
65 | SR_MHZ(8), | |
66 | SR_MHZ(12), | |
67 | SR_MHZ(16), | |
68 | SR_MHZ(24) | |
69 | }; | |
70 | ||
71 | static struct sr_samplerates fx2lafw_samplerates = { | |
72 | SR_MHZ(1), | |
73 | SR_MHZ(24), | |
74 | SR_HZ(0), | |
75 | fx2lafw_supported_samplerates | |
76 | }; | |
77 | ||
187b3582 JH |
78 | static GSList *device_instances = NULL; |
79 | static libusb_context *usb_context = NULL; | |
80 | ||
81 | static struct fx2lafw_device* fx2lafw_device_new(void) | |
82 | { | |
83 | struct fx2lafw_device *fx2lafw; | |
84 | ||
85 | if (!(fx2lafw = g_try_malloc0(sizeof(struct fx2lafw_device)))) { | |
86 | sr_err("fx2lafw: %s: fx2lafw_device malloc failed", __func__); | |
87 | return NULL; | |
88 | } | |
89 | ||
90 | return fx2lafw; | |
91 | } | |
f302a082 JH |
92 | |
93 | /* | |
94 | * API callbacks | |
95 | */ | |
96 | ||
97 | static int hw_init(const char *deviceinfo) | |
98 | { | |
187b3582 JH |
99 | struct sr_dev_inst *sdi; |
100 | struct libusb_device_descriptor des; | |
101 | struct fx2lafw_profile *fx2lafw_prof; | |
102 | struct fx2lafw_device *fx2lafw_dev; | |
103 | libusb_device **devlist; | |
104 | int err; | |
105 | int devcnt = 0; | |
106 | int i, j; | |
107 | ||
108 | /* Avoid compiler warnings. */ | |
f302a082 | 109 | (void)deviceinfo; |
187b3582 JH |
110 | |
111 | if (libusb_init(&usb_context) != 0) { | |
112 | sr_warn("Failed to initialize USB."); | |
113 | return 0; | |
114 | } | |
115 | ||
116 | /* Find all fx2lafw compatible devices and upload firware to all of them. */ | |
117 | libusb_get_device_list(usb_context, &devlist); | |
118 | for (i = 0; devlist[i]; i++) { | |
119 | ||
120 | if ((err = libusb_get_device_descriptor( | |
121 | devlist[i], &des)) != 0) { | |
122 | sr_warn("failed to get device descriptor: %d", err); | |
123 | continue; | |
124 | } | |
125 | ||
126 | fx2lafw_prof = NULL; | |
127 | for (j = 0; supported_fx2[j].vid; j++) { | |
128 | if (des.idVendor == supported_fx2[j].vid && | |
129 | des.idProduct == supported_fx2[j].pid) { | |
130 | fx2lafw_prof = &supported_fx2[j]; | |
131 | } | |
132 | } | |
133 | ||
134 | /* Skip if the device was not found */ | |
135 | if(!fx2lafw_prof) | |
136 | continue; | |
137 | ||
138 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, | |
139 | fx2lafw_prof->vendor, fx2lafw_prof->model, | |
140 | fx2lafw_prof->model_version); | |
141 | if(!sdi) | |
142 | return 0; | |
143 | ||
144 | fx2lafw_dev = fx2lafw_device_new(); | |
145 | fx2lafw_dev->profile = fx2lafw_prof; | |
146 | sdi->priv = fx2lafw_dev; | |
147 | device_instances = g_slist_append(device_instances, sdi); | |
148 | ||
149 | devcnt++; | |
150 | } | |
151 | libusb_free_device_list(devlist, 1); | |
152 | ||
153 | return devcnt; | |
f302a082 JH |
154 | } |
155 | ||
156 | static int hw_dev_open(int device_index) | |
157 | { | |
158 | (void)device_index; | |
159 | return SR_OK; | |
160 | } | |
161 | ||
162 | static int hw_dev_close(int device_index) | |
163 | { | |
164 | (void)device_index; | |
165 | return SR_OK; | |
166 | } | |
167 | ||
168 | static int hw_cleanup(void) | |
169 | { | |
187b3582 JH |
170 | GSList *l; |
171 | struct sr_dev_inst *sdi; | |
172 | ||
173 | for(l = device_instances; l; l = l->next) { | |
174 | sdi = l->data; | |
175 | sr_dev_inst_free(sdi); | |
176 | } | |
177 | ||
178 | g_slist_free(device_instances); | |
179 | device_instances = NULL; | |
180 | ||
181 | if(usb_context) | |
182 | libusb_exit(usb_context); | |
183 | usb_context = NULL; | |
184 | ||
f302a082 JH |
185 | return SR_OK; |
186 | } | |
187 | ||
188 | static void *hw_dev_info_get(int device_index, int device_info_id) | |
189 | { | |
8b35f474 JH |
190 | struct sr_dev_inst *sdi; |
191 | struct fx2lafw_device *fx2lafw_dev; | |
192 | ||
193 | if (!(sdi = sr_dev_inst_get(device_instances, device_index))) | |
194 | return NULL; | |
195 | fx2lafw_dev = sdi->priv; | |
196 | ||
197 | switch (device_info_id) { | |
198 | case SR_DI_INST: | |
199 | return sdi; | |
200 | case SR_DI_NUM_PROBES: | |
201 | return GINT_TO_POINTER(fx2lafw_dev->profile->num_probes); | |
202 | case SR_DI_PROBE_NAMES: | |
203 | return fx2lafw_probe_names; | |
204 | case SR_DI_SAMPLERATES: | |
205 | return &fx2lafw_samplerates; | |
206 | case SR_DI_TRIGGER_TYPES: | |
207 | return TRIGGER_TYPES; | |
208 | } | |
209 | ||
f302a082 JH |
210 | return NULL; |
211 | } | |
212 | ||
213 | static int hw_dev_status_get(int device_index) | |
214 | { | |
215 | (void)device_index; | |
216 | return SR_ST_NOT_FOUND; | |
217 | } | |
218 | ||
219 | static int *hw_hwcap_get_all(void) | |
220 | { | |
8b35f474 | 221 | return fx2lafw_capabilities; |
f302a082 JH |
222 | } |
223 | ||
224 | static int hw_dev_config_set(int dev_index, int capability, void *value) | |
225 | { | |
226 | (void)dev_index; | |
227 | (void)capability; | |
228 | (void)value; | |
229 | return SR_OK; | |
230 | } | |
231 | ||
232 | static int hw_dev_acquisition_start(int dev_index, gpointer session_data) | |
233 | { | |
234 | (void)dev_index; | |
235 | (void)session_data; | |
236 | return SR_OK; | |
237 | } | |
238 | ||
239 | /* This stops acquisition on ALL devices, ignoring device_index. */ | |
240 | static int hw_dev_acquisition_stop(int dev_index, gpointer session_data) | |
241 | { | |
242 | (void)dev_index; | |
243 | (void)session_data; | |
244 | return SR_OK; | |
245 | } | |
246 | ||
247 | SR_PRIV struct sr_dev_plugin fx2lafw_plugin_info = { | |
248 | .name = "fx2lafw", | |
249 | .longname = "fx2lafw", | |
250 | .api_version = 1, | |
251 | .init = hw_init, | |
252 | .cleanup = hw_cleanup, | |
253 | .dev_open = hw_dev_open, | |
254 | .dev_close = hw_dev_close, | |
255 | .dev_info_get = hw_dev_info_get, | |
256 | .dev_status_get = hw_dev_status_get, | |
257 | .hwcap_get_all = hw_hwcap_get_all, | |
258 | .dev_config_set = hw_dev_config_set, | |
259 | .dev_acquisition_start = hw_dev_acquisition_start, | |
260 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
261 | }; |