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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org> | |
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 <glib.h> | |
22 | #include "libsigrok.h" | |
23 | #include "libsigrok-internal.h" | |
24 | #include "protocol.h" | |
25 | ||
26 | static const uint32_t scanopts[] = { | |
27 | SR_CONF_CONN, | |
28 | SR_CONF_SERIALCOMM, | |
29 | }; | |
30 | ||
31 | static const uint32_t devopts[] = { | |
32 | SR_CONF_ENERGYMETER, | |
33 | SR_CONF_CONTINUOUS, | |
34 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, | |
35 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
36 | }; | |
37 | ||
38 | SR_PRIV struct sr_dev_driver teleinfo_driver_info; | |
39 | static struct sr_dev_driver *di = &teleinfo_driver_info; | |
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; | |
49 | struct dev_context *devc; | |
50 | struct sr_serial_dev_inst *serial; | |
51 | struct sr_dev_inst *sdi; | |
52 | GSList *devices = NULL, *l; | |
53 | const char *conn = NULL, *serialcomm = NULL; | |
54 | uint8_t buf[292]; | |
55 | size_t len; | |
56 | struct sr_config *src; | |
57 | ||
58 | len = sizeof(buf); | |
59 | ||
60 | for (l = options; l; l = l->next) { | |
61 | src = l->data; | |
62 | switch (src->key) { | |
63 | case SR_CONF_CONN: | |
64 | conn = g_variant_get_string(src->data, NULL); | |
65 | break; | |
66 | case SR_CONF_SERIALCOMM: | |
67 | serialcomm = g_variant_get_string(src->data, NULL); | |
68 | break; | |
69 | } | |
70 | } | |
71 | if (!conn) | |
72 | return NULL; | |
73 | if (!serialcomm) | |
74 | serialcomm = "1200/7e1"; | |
75 | ||
76 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
77 | ||
78 | if (serial_open(serial, SERIAL_RDONLY) != SR_OK) | |
79 | return NULL; | |
80 | ||
81 | sr_info("Probing serial port %s.", conn); | |
82 | ||
83 | drvc = di->priv; | |
84 | drvc->instances = NULL; | |
85 | serial_flush(serial); | |
86 | ||
87 | /* Let's get a bit of data and see if we can find a packet. */ | |
88 | if (serial_stream_detect(serial, buf, &len, len, | |
89 | teleinfo_packet_valid, 3000, 1200) != SR_OK) | |
90 | goto scan_cleanup; | |
91 | ||
92 | sr_info("Found device on port %s.", conn); | |
93 | ||
94 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
95 | sdi->status = SR_ST_INACTIVE; | |
96 | sdi->vendor = g_strdup("EDF"); | |
97 | sdi->model = g_strdup("Teleinfo"); | |
98 | devc = g_malloc0(sizeof(struct dev_context)); | |
99 | devc->optarif = teleinfo_get_optarif(buf); | |
100 | sdi->inst_type = SR_INST_SERIAL; | |
101 | sdi->conn = serial; | |
102 | sdi->priv = devc; | |
103 | sdi->driver = di; | |
104 | ||
105 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P"); | |
106 | ||
107 | if (devc->optarif == OPTARIF_BASE) { | |
108 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "BASE"); | |
109 | } else if (devc->optarif == OPTARIF_HC) { | |
110 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HP"); | |
111 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HC"); | |
112 | } else if (devc->optarif == OPTARIF_EJP) { | |
113 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HN"); | |
114 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPM"); | |
115 | } else if (devc->optarif == OPTARIF_BBR) { | |
116 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJB"); | |
117 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJW"); | |
118 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HPJR"); | |
119 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJB"); | |
120 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJW"); | |
121 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "HCJR"); | |
122 | } | |
123 | ||
124 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "IINST"); | |
125 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "PAPP"); | |
126 | ||
127 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
128 | devices = g_slist_append(devices, sdi); | |
129 | ||
130 | scan_cleanup: | |
131 | serial_close(serial); | |
132 | ||
133 | return devices; | |
134 | } | |
135 | ||
136 | static GSList *dev_list(void) | |
137 | { | |
138 | return ((struct drv_context *)(di->priv))->instances; | |
139 | } | |
140 | ||
141 | static int cleanup(void) | |
142 | { | |
143 | return std_dev_clear(di, NULL); | |
144 | } | |
145 | ||
146 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
147 | const struct sr_channel_group *cg) | |
148 | { | |
149 | struct dev_context *devc; | |
150 | ||
151 | (void)cg; | |
152 | ||
153 | if (sdi->status != SR_ST_ACTIVE) | |
154 | return SR_ERR_DEV_CLOSED; | |
155 | ||
156 | if (!(devc = sdi->priv)) { | |
157 | sr_err("sdi->priv was NULL."); | |
158 | return SR_ERR_BUG; | |
159 | } | |
160 | ||
161 | switch (key) { | |
162 | case SR_CONF_LIMIT_SAMPLES: | |
163 | devc->limit_samples = g_variant_get_uint64(data); | |
164 | sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples); | |
165 | break; | |
166 | case SR_CONF_LIMIT_MSEC: | |
167 | devc->limit_msec = g_variant_get_uint64(data); | |
168 | sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec); | |
169 | break; | |
170 | default: | |
171 | return SR_ERR_NA; | |
172 | } | |
173 | ||
174 | return SR_OK; | |
175 | } | |
176 | ||
177 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
178 | const struct sr_channel_group *cg) | |
179 | { | |
180 | (void)sdi; | |
181 | (void)cg; | |
182 | ||
183 | switch (key) { | |
184 | case SR_CONF_SCAN_OPTIONS: | |
185 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
186 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
187 | break; | |
188 | case SR_CONF_DEVICE_OPTIONS: | |
189 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
190 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
191 | break; | |
192 | default: | |
193 | return SR_ERR_NA; | |
194 | } | |
195 | ||
196 | return SR_OK; | |
197 | } | |
198 | ||
199 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
200 | { | |
201 | struct sr_serial_dev_inst *serial = sdi->conn; | |
202 | struct dev_context *devc; | |
203 | ||
204 | if (sdi->status != SR_ST_ACTIVE) | |
205 | return SR_ERR_DEV_CLOSED; | |
206 | ||
207 | if (!(devc = sdi->priv)) { | |
208 | sr_err("sdi->priv was NULL."); | |
209 | return SR_ERR_BUG; | |
210 | } | |
211 | ||
212 | devc->session_cb_data = cb_data; | |
213 | ||
214 | /* | |
215 | * Reset the number of samples to take. If we've already collected our | |
216 | * quota, but we start a new session, and don't reset this, we'll just | |
217 | * quit without acquiring any new samples. | |
218 | */ | |
219 | devc->num_samples = 0; | |
220 | devc->start_time = g_get_monotonic_time(); | |
221 | ||
222 | /* Send header packet to the session bus. */ | |
223 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
224 | ||
225 | /* Poll every 50ms, or whenever some data comes in. */ | |
226 | serial_source_add(sdi->session, serial, G_IO_IN, 50, | |
227 | teleinfo_receive_data, (void *)sdi); | |
228 | ||
229 | return SR_OK; | |
230 | } | |
231 | ||
232 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
233 | { | |
234 | return std_serial_dev_acquisition_stop(sdi, cb_data, | |
235 | std_serial_dev_close, sdi->conn, LOG_PREFIX); | |
236 | } | |
237 | ||
238 | SR_PRIV struct sr_dev_driver teleinfo_driver_info = { | |
239 | .name = "teleinfo", | |
240 | .longname = "Teleinfo", | |
241 | .api_version = 1, | |
242 | .init = init, | |
243 | .cleanup = cleanup, | |
244 | .scan = scan, | |
245 | .dev_list = dev_list, | |
246 | .dev_clear = NULL, | |
247 | .config_get = NULL, | |
248 | .config_set = config_set, | |
249 | .config_list = config_list, | |
250 | .dev_open = std_serial_dev_open, | |
251 | .dev_close = std_serial_dev_close, | |
252 | .dev_acquisition_start = dev_acquisition_start, | |
253 | .dev_acquisition_stop = dev_acquisition_stop, | |
254 | .priv = NULL, | |
255 | }; |