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c463dcf0 MC |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se> | |
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 | ||
f6a21fa5 MC |
20 | #include <glib.h> |
21 | #include <libusb.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include "libsigrok.h" | |
25 | #include "libsigrok-internal.h" | |
c463dcf0 MC |
26 | #include "protocol.h" |
27 | ||
f6a21fa5 MC |
28 | #define LOGIC16_VID 0x21a9 |
29 | #define LOGIC16_PID 0x1001 | |
30 | #define NUM_PROBES 16 | |
31 | ||
c463dcf0 MC |
32 | SR_PRIV struct sr_dev_driver saleae_logic16_driver_info; |
33 | static struct sr_dev_driver *di = &saleae_logic16_driver_info; | |
34 | ||
f6a21fa5 MC |
35 | static const char *probe_names[NUM_PROBES + 1] = { |
36 | "0", "1", "2", "3", "4", "5", "6", "7", "8", | |
37 | "9", "10", "11", "12", "13", "14", "15", | |
38 | NULL, | |
39 | }; | |
c463dcf0 MC |
40 | |
41 | static int init(struct sr_context *sr_ctx) | |
42 | { | |
43 | return std_init(sr_ctx, di, LOG_PREFIX); | |
44 | } | |
45 | ||
46 | static GSList *scan(GSList *options) | |
47 | { | |
48 | struct drv_context *drvc; | |
f6a21fa5 MC |
49 | struct dev_context *devc; |
50 | struct sr_dev_inst *sdi; | |
51 | struct sr_probe *probe; | |
52 | struct libusb_device_descriptor des; | |
53 | libusb_device **devlist; | |
c463dcf0 | 54 | GSList *devices; |
f6a21fa5 | 55 | int ret, devcnt, i, j; |
c463dcf0 MC |
56 | |
57 | (void)options; | |
58 | ||
c463dcf0 | 59 | drvc = di->priv; |
c463dcf0 | 60 | |
f6a21fa5 MC |
61 | devices = NULL; |
62 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); | |
63 | for (i = 0; devlist[i]; i++) { | |
64 | if ((ret = libusb_get_device_descriptor(devlist[i], &des)) != 0) { | |
65 | sr_warn("Failed to get device descriptor: %s", | |
66 | libusb_error_name(ret)); | |
67 | continue; | |
68 | } | |
69 | ||
70 | if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID) | |
71 | continue; | |
72 | ||
73 | devcnt = g_slist_length(drvc->instances); | |
74 | if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE, | |
75 | "Saleae", "Logic16", NULL))) | |
76 | return NULL; | |
77 | sdi->driver = di; | |
78 | ||
79 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) | |
80 | return NULL; | |
81 | sdi->priv = devc; | |
82 | ||
83 | for (j = 0; probe_names[j]; j++) { | |
84 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, | |
85 | probe_names[j]))) | |
86 | return NULL; | |
87 | sdi->probes = g_slist_append(sdi->probes, probe); | |
88 | } | |
89 | ||
90 | if (!(sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
91 | libusb_get_device_address(devlist[i]), NULL))) | |
92 | return NULL; | |
93 | sdi->inst_type = SR_INST_USB; | |
94 | ||
95 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
96 | devices = g_slist_append(devices, sdi); | |
97 | } | |
98 | libusb_free_device_list(devlist, 1); | |
c463dcf0 MC |
99 | |
100 | return devices; | |
101 | } | |
102 | ||
103 | static GSList *dev_list(void) | |
104 | { | |
105 | struct drv_context *drvc; | |
106 | ||
107 | drvc = di->priv; | |
108 | ||
109 | return drvc->instances; | |
110 | } | |
111 | ||
112 | static int dev_clear(void) | |
113 | { | |
114 | return std_dev_clear(di, NULL); | |
115 | } | |
116 | ||
117 | static int dev_open(struct sr_dev_inst *sdi) | |
118 | { | |
119 | (void)sdi; | |
120 | ||
121 | /* TODO: get handle from sdi->conn and open it. */ | |
122 | ||
123 | sdi->status = SR_ST_ACTIVE; | |
124 | ||
125 | return SR_OK; | |
126 | } | |
127 | ||
128 | static int dev_close(struct sr_dev_inst *sdi) | |
129 | { | |
130 | (void)sdi; | |
131 | ||
132 | /* TODO: get handle from sdi->conn and close it. */ | |
133 | ||
134 | sdi->status = SR_ST_INACTIVE; | |
135 | ||
136 | return SR_OK; | |
137 | } | |
138 | ||
139 | static int cleanup(void) | |
140 | { | |
f6a21fa5 MC |
141 | int ret; |
142 | struct drv_context *drvc; | |
c463dcf0 | 143 | |
f6a21fa5 MC |
144 | if (!(drvc = di->priv)) |
145 | /* Can get called on an unused driver, doesn't matter. */ | |
146 | return SR_OK; | |
c463dcf0 | 147 | |
f6a21fa5 MC |
148 | ret = dev_clear(); |
149 | g_free(drvc); | |
150 | di->priv = NULL; | |
151 | ||
152 | return ret; | |
c463dcf0 MC |
153 | } |
154 | ||
155 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
156 | { | |
157 | int ret; | |
158 | ||
159 | (void)sdi; | |
160 | (void)data; | |
161 | ||
162 | ret = SR_OK; | |
163 | switch (key) { | |
164 | /* TODO */ | |
165 | default: | |
166 | return SR_ERR_NA; | |
167 | } | |
168 | ||
169 | return ret; | |
170 | } | |
171 | ||
172 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi) | |
173 | { | |
174 | int ret; | |
175 | ||
176 | (void)data; | |
177 | ||
178 | if (sdi->status != SR_ST_ACTIVE) | |
179 | return SR_ERR_DEV_CLOSED; | |
180 | ||
181 | ret = SR_OK; | |
182 | switch (key) { | |
183 | /* TODO */ | |
184 | default: | |
185 | ret = SR_ERR_NA; | |
186 | } | |
187 | ||
188 | return ret; | |
189 | } | |
190 | ||
191 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
192 | { | |
193 | int ret; | |
194 | ||
195 | (void)sdi; | |
196 | (void)data; | |
197 | ||
198 | ret = SR_OK; | |
199 | switch (key) { | |
200 | /* TODO */ | |
201 | default: | |
202 | return SR_ERR_NA; | |
203 | } | |
204 | ||
205 | return ret; | |
206 | } | |
207 | ||
208 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
209 | void *cb_data) | |
210 | { | |
211 | (void)sdi; | |
212 | (void)cb_data; | |
213 | ||
214 | if (sdi->status != SR_ST_ACTIVE) | |
215 | return SR_ERR_DEV_CLOSED; | |
216 | ||
217 | /* TODO: configure hardware, reset acquisition state, set up | |
218 | * callbacks and send header packet. */ | |
219 | ||
220 | return SR_OK; | |
221 | } | |
222 | ||
223 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
224 | { | |
225 | (void)cb_data; | |
226 | ||
227 | if (sdi->status != SR_ST_ACTIVE) | |
228 | return SR_ERR_DEV_CLOSED; | |
229 | ||
230 | /* TODO: stop acquisition. */ | |
231 | ||
232 | return SR_OK; | |
233 | } | |
234 | ||
235 | SR_PRIV struct sr_dev_driver saleae_logic16_driver_info = { | |
236 | .name = "saleae-logic16", | |
237 | .longname = "Saleae Logic16", | |
238 | .api_version = 1, | |
239 | .init = init, | |
240 | .cleanup = cleanup, | |
241 | .scan = scan, | |
242 | .dev_list = dev_list, | |
243 | .dev_clear = dev_clear, | |
244 | .config_get = config_get, | |
245 | .config_set = config_set, | |
246 | .config_list = config_list, | |
247 | .dev_open = dev_open, | |
248 | .dev_close = dev_close, | |
249 | .dev_acquisition_start = dev_acquisition_start, | |
250 | .dev_acquisition_stop = dev_acquisition_stop, | |
251 | .priv = NULL, | |
252 | }; |