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a4210e18 EK |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
932ef10f | 4 | * Copyright (C) 2016 Eva Kissling <eva.kissling@bluewin.ch> |
a4210e18 EK |
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 <config.h> | |
21 | #include "protocol.h" | |
22 | ||
1f15efc1 | 23 | static const uint32_t drvopts[] = { |
9d2e5483 | 24 | SR_CONF_LOGIC_ANALYZER, |
a4210e18 EK |
25 | }; |
26 | ||
1f15efc1 | 27 | static const uint32_t scanopts[] = { |
9d2e5483 | 28 | SR_CONF_CONN, |
a4210e18 EK |
29 | }; |
30 | ||
1f15efc1 | 31 | static const uint32_t devopts[] = { |
1f9652a8 | 32 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, |
9d2e5483 | 33 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, |
1f9652a8 | 34 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
a4210e18 EK |
35 | }; |
36 | ||
1f15efc1 | 37 | static const int32_t trigger_matches[] = { |
9d2e5483 SA |
38 | SR_TRIGGER_ZERO, |
39 | SR_TRIGGER_ONE, | |
40 | SR_TRIGGER_RISING, | |
41 | SR_TRIGGER_FALLING, | |
42 | SR_TRIGGER_EDGE, | |
a4210e18 EK |
43 | }; |
44 | ||
45 | SR_PRIV struct sr_dev_driver ipdbg_la_driver_info; | |
46 | ||
8a9788e2 | 47 | static void ipdbg_la_split_addr_port(const char *conn, char **addr, |
9d2e5483 | 48 | char **port) |
a4210e18 | 49 | { |
9d2e5483 | 50 | char **strs = g_strsplit(conn, "/", 3); |
a4210e18 | 51 | |
9d2e5483 SA |
52 | *addr = g_strdup(strs[1]); |
53 | *port = g_strdup(strs[2]); | |
a4210e18 | 54 | |
9d2e5483 | 55 | g_strfreev(strs); |
a4210e18 EK |
56 | } |
57 | ||
58 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
59 | { | |
9d2e5483 SA |
60 | struct drv_context *drvc; |
61 | GSList *devices; | |
a4210e18 | 62 | |
9d2e5483 SA |
63 | devices = NULL; |
64 | drvc = di->context; | |
65 | drvc->instances = NULL; | |
66 | const char *conn; | |
67 | struct sr_config *src; | |
68 | GSList *l; | |
a4210e18 | 69 | |
9d2e5483 SA |
70 | conn = NULL; |
71 | for (l = options; l; l = l->next) { | |
72 | src = l->data; | |
73 | switch (src->key) { | |
74 | case SR_CONF_CONN: | |
75 | conn = g_variant_get_string(src->data, NULL); | |
76 | break; | |
77 | } | |
78 | } | |
a4210e18 | 79 | |
9d2e5483 SA |
80 | if (!conn) |
81 | return NULL; | |
a4210e18 | 82 | |
8a9788e2 | 83 | struct ipdbg_la_tcp *tcp = ipdbg_la_tcp_new(); |
a4210e18 | 84 | |
8a9788e2 | 85 | ipdbg_la_split_addr_port(conn, &tcp->address, &tcp->port); |
a4210e18 | 86 | |
9d2e5483 SA |
87 | if (!tcp->address) |
88 | return NULL; | |
a4210e18 | 89 | |
8a9788e2 | 90 | if (ipdbg_la_tcp_open(tcp) != SR_OK) |
9d2e5483 | 91 | return NULL; |
a4210e18 | 92 | |
8a9788e2 UH |
93 | ipdbg_la_send_reset(tcp); |
94 | ipdbg_la_send_reset(tcp); | |
ed186484 | 95 | |
8a9788e2 | 96 | if (ipdbg_la_request_id(tcp) != SR_OK) |
ed186484 | 97 | return NULL; |
a4210e18 | 98 | |
9d2e5483 | 99 | struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
9d2e5483 SA |
100 | sdi->status = SR_ST_INACTIVE; |
101 | sdi->vendor = g_strdup("ipdbg.org"); | |
8a9788e2 | 102 | sdi->model = g_strdup("IPDBG LA"); |
9d2e5483 SA |
103 | sdi->version = g_strdup("v1.0"); |
104 | sdi->driver = di; | |
a4210e18 | 105 | |
1f15efc1 | 106 | struct dev_context *devc = ipdbg_la_dev_new(); |
9d2e5483 | 107 | sdi->priv = devc; |
a4210e18 | 108 | |
8a9788e2 | 109 | ipdbg_la_get_addrwidth_and_datawidth(tcp, devc); |
a4210e18 | 110 | |
ac3625be UH |
111 | sr_dbg("addr_width = %d, data_width = %d\n", devc->addr_width, |
112 | devc->data_width); | |
9d2e5483 | 113 | sr_dbg("limit samples = %" PRIu64 "\n", devc->limit_samples_max); |
7f4c9a04 | 114 | |
ac3625be | 115 | for (uint32_t i = 0; i < devc->data_width; i++) { |
8bc8e909 UH |
116 | char *name = g_strdup_printf("CH%d", i); |
117 | sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, name); | |
118 | g_free(name); | |
9d2e5483 | 119 | } |
a4210e18 | 120 | |
9d2e5483 SA |
121 | sdi->inst_type = SR_INST_USER; |
122 | sdi->conn = tcp; | |
a4210e18 | 123 | |
8a9788e2 | 124 | ipdbg_la_tcp_close(tcp); |
a4210e18 | 125 | |
9d2e5483 | 126 | devices = g_slist_append(devices, sdi); |
750303aa | 127 | |
9d2e5483 | 128 | return std_scan_complete(di, devices); |
a4210e18 EK |
129 | } |
130 | ||
131 | static int dev_clear(const struct sr_dev_driver *di) | |
132 | { | |
9d2e5483 SA |
133 | struct drv_context *drvc = di->context; |
134 | struct sr_dev_inst *sdi; | |
135 | GSList *l; | |
136 | ||
137 | if (drvc) { | |
138 | for (l = drvc->instances; l; l = l->next) { | |
139 | sdi = l->data; | |
8a9788e2 | 140 | struct ipdbg_la_tcp *tcp = sdi->conn; |
9d2e5483 | 141 | if (tcp) { |
8a9788e2 UH |
142 | ipdbg_la_tcp_close(tcp); |
143 | ipdbg_la_tcp_free(tcp); | |
9d2e5483 SA |
144 | g_free(tcp); |
145 | } | |
146 | sdi->conn = NULL; | |
147 | } | |
148 | } | |
149 | ||
150 | return std_dev_clear(di); | |
a4210e18 EK |
151 | } |
152 | ||
153 | static int dev_open(struct sr_dev_inst *sdi) | |
154 | { | |
8a9788e2 | 155 | struct ipdbg_la_tcp *tcp = sdi->conn; |
a4210e18 | 156 | |
9d2e5483 SA |
157 | if (!tcp) |
158 | return SR_ERR; | |
a4210e18 | 159 | |
8a9788e2 | 160 | if (ipdbg_la_tcp_open(tcp) != SR_OK) |
9d2e5483 | 161 | return SR_ERR; |
a4210e18 | 162 | |
9d2e5483 | 163 | return SR_OK; |
a4210e18 EK |
164 | } |
165 | ||
166 | static int dev_close(struct sr_dev_inst *sdi) | |
167 | { | |
13ac501a | 168 | /* Should be called before a new call to scan(). */ |
8a9788e2 | 169 | struct ipdbg_la_tcp *tcp = sdi->conn; |
38e7493d | 170 | |
9d2e5483 | 171 | if (tcp) |
8a9788e2 | 172 | ipdbg_la_tcp_close(tcp); |
a4210e18 | 173 | |
9d2e5483 | 174 | sdi->conn = NULL; |
a4210e18 | 175 | |
9d2e5483 | 176 | return SR_OK; |
a4210e18 EK |
177 | } |
178 | ||
179 | static int config_get(uint32_t key, GVariant **data, | |
9d2e5483 | 180 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
a4210e18 | 181 | { |
77b6b98d | 182 | struct dev_context *devc = sdi->priv; |
a4210e18 | 183 | |
9d2e5483 | 184 | (void)cg; |
a4210e18 | 185 | |
9d2e5483 SA |
186 | switch (key) { |
187 | case SR_CONF_CAPTURE_RATIO: | |
188 | *data = g_variant_new_uint64(devc->capture_ratio); | |
189 | break; | |
190 | case SR_CONF_LIMIT_SAMPLES: | |
191 | *data = g_variant_new_uint64(devc->limit_samples); | |
192 | break; | |
193 | default: | |
77b6b98d | 194 | return SR_ERR_NA; |
9d2e5483 | 195 | } |
a4210e18 | 196 | |
77b6b98d | 197 | return SR_OK; |
a4210e18 EK |
198 | } |
199 | ||
200 | static int config_set(uint32_t key, GVariant *data, | |
9d2e5483 | 201 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
a4210e18 | 202 | { |
77b6b98d | 203 | struct dev_context *devc = sdi->priv; |
9d2e5483 SA |
204 | |
205 | (void)cg; | |
206 | ||
9d2e5483 SA |
207 | switch (key) { |
208 | case SR_CONF_CAPTURE_RATIO: | |
77b6b98d | 209 | devc->capture_ratio = g_variant_get_uint64(data); |
9d2e5483 SA |
210 | break; |
211 | case SR_CONF_LIMIT_SAMPLES: | |
77b6b98d | 212 | devc->limit_samples = g_variant_get_uint64(data); |
9d2e5483 SA |
213 | break; |
214 | default: | |
77b6b98d | 215 | return SR_ERR_NA; |
9d2e5483 SA |
216 | } |
217 | ||
77b6b98d | 218 | return SR_OK; |
a4210e18 EK |
219 | } |
220 | ||
221 | static int config_list(uint32_t key, GVariant **data, | |
9d2e5483 | 222 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
a4210e18 | 223 | { |
9d2e5483 SA |
224 | switch (key) { |
225 | case SR_CONF_SCAN_OPTIONS: | |
9d2e5483 | 226 | case SR_CONF_DEVICE_OPTIONS: |
77b6b98d | 227 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
9d2e5483 | 228 | case SR_CONF_TRIGGER_MATCH: |
77b6b98d | 229 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); |
9d2e5483 SA |
230 | break; |
231 | default: | |
232 | return SR_ERR_NA; | |
233 | } | |
234 | ||
235 | return SR_OK; | |
a4210e18 EK |
236 | } |
237 | ||
a4210e18 EK |
238 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
239 | { | |
8a9788e2 | 240 | struct ipdbg_la_tcp *tcp = sdi->conn; |
1f15efc1 | 241 | struct dev_context *devc = sdi->priv; |
a4210e18 | 242 | |
8a9788e2 UH |
243 | ipdbg_la_convert_trigger(sdi); |
244 | ipdbg_la_send_trigger(devc, tcp); | |
245 | ipdbg_la_send_delay(devc, tcp); | |
a4210e18 | 246 | |
9d2e5483 SA |
247 | /* If the device stops sending for longer than it takes to send a byte, |
248 | * that means it's finished. But wait at least 100 ms to be safe. | |
249 | */ | |
250 | sr_session_source_add(sdi->session, tcp->socket, G_IO_IN, 100, | |
8a9788e2 | 251 | ipdbg_la_receive_data, (struct sr_dev_inst *)sdi); |
a4210e18 | 252 | |
8a9788e2 | 253 | ipdbg_la_send_start(tcp); |
a4210e18 | 254 | |
9d2e5483 | 255 | return SR_OK; |
a4210e18 EK |
256 | } |
257 | ||
258 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
259 | { | |
8a9788e2 | 260 | struct ipdbg_la_tcp *tcp = sdi->conn; |
1f15efc1 | 261 | struct dev_context *devc = sdi->priv; |
a4210e18 | 262 | |
9d2e5483 | 263 | uint8_t byte; |
b51288e3 | 264 | |
9d2e5483 SA |
265 | if (devc->num_transfers > 0) { |
266 | while (devc->num_transfers < | |
ac3625be | 267 | (devc->limit_samples_max * devc->data_width_bytes)) { |
8a9788e2 | 268 | ipdbg_la_tcp_receive(tcp, &byte); |
9d2e5483 SA |
269 | devc->num_transfers++; |
270 | } | |
271 | } | |
a4210e18 | 272 | |
8a9788e2 UH |
273 | ipdbg_la_send_reset(tcp); |
274 | ipdbg_la_abort_acquisition(sdi); | |
a4210e18 | 275 | |
9d2e5483 | 276 | return SR_OK; |
a4210e18 EK |
277 | } |
278 | ||
279 | SR_PRIV struct sr_dev_driver ipdbg_la_driver_info = { | |
8a9788e2 UH |
280 | .name = "ipdbg-la", |
281 | .longname = "IPDBG LA", | |
9d2e5483 | 282 | .api_version = 1, |
3831eaf9 | 283 | .init = std_init, |
9d2e5483 SA |
284 | .cleanup = std_cleanup, |
285 | .scan = scan, | |
3831eaf9 | 286 | .dev_list = std_dev_list, |
9d2e5483 SA |
287 | .dev_clear = dev_clear, |
288 | .config_get = config_get, | |
289 | .config_set = config_set, | |
290 | .config_list = config_list, | |
291 | .dev_open = dev_open, | |
292 | .dev_close = dev_close, | |
293 | .dev_acquisition_start = dev_acquisition_start, | |
294 | .dev_acquisition_stop = dev_acquisition_stop, | |
295 | .context = NULL, | |
a4210e18 EK |
296 | }; |
297 | ||
298 | SR_REGISTER_DEV_DRIVER(ipdbg_la_driver_info); |