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e93cdf42 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
e93cdf42 BV |
3 | * |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
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 <glib.h> | |
e93cdf42 BV |
21 | #include <sys/types.h> |
22 | #include <sys/stat.h> | |
23 | #include <fcntl.h> | |
24 | #include <string.h> | |
25 | #include <errno.h> | |
6f22a8ef UH |
26 | #include "libsigrok.h" |
27 | #include "libsigrok-internal.h" | |
28 | #include "agilent-dmm.h" | |
e93cdf42 | 29 | |
e44ac12a | 30 | static const int32_t hwopts[] = { |
1953564a BV |
31 | SR_CONF_CONN, |
32 | SR_CONF_SERIALCOMM, | |
e93cdf42 BV |
33 | }; |
34 | ||
e44ac12a | 35 | static const int32_t hwcaps[] = { |
1953564a BV |
36 | SR_CONF_MULTIMETER, |
37 | SR_CONF_LIMIT_SAMPLES, | |
38 | SR_CONF_LIMIT_MSEC, | |
39 | SR_CONF_CONTINUOUS, | |
e93cdf42 BV |
40 | }; |
41 | ||
f857bd92 | 42 | extern const struct agdmm_job agdmm_jobs_u12xx[]; |
8c0152f2 | 43 | extern const struct agdmm_recv agdmm_recvs_u123x[]; |
8c0152f2 | 44 | extern const struct agdmm_recv agdmm_recvs_u125x[]; |
e93cdf42 | 45 | |
74ac7d7f BV |
46 | /* This works on all the Agilent U12xxA series, although the |
47 | * U127xA can apparently also run at 19200/8n1. */ | |
48 | #define SERIALCOMM "9600/8n1" | |
49 | ||
e93cdf42 | 50 | static const struct agdmm_profile supported_agdmm[] = { |
f857bd92 BV |
51 | { AGILENT_U1231, "U1231A", agdmm_jobs_u12xx, agdmm_recvs_u123x }, |
52 | { AGILENT_U1232, "U1232A", agdmm_jobs_u12xx, agdmm_recvs_u123x }, | |
53 | { AGILENT_U1233, "U1233A", agdmm_jobs_u12xx, agdmm_recvs_u123x }, | |
54 | ||
55 | { AGILENT_U1251, "U1251A", agdmm_jobs_u12xx, agdmm_recvs_u125x }, | |
56 | { AGILENT_U1252, "U1252A", agdmm_jobs_u12xx, agdmm_recvs_u125x }, | |
57 | { AGILENT_U1253, "U1253A", agdmm_jobs_u12xx, agdmm_recvs_u125x }, | |
58 | { AGILENT_U1251, "U1251B", agdmm_jobs_u12xx, agdmm_recvs_u125x }, | |
59 | { AGILENT_U1252, "U1252B", agdmm_jobs_u12xx, agdmm_recvs_u125x }, | |
60 | { AGILENT_U1253, "U1253B", agdmm_jobs_u12xx, agdmm_recvs_u125x }, | |
61 | ALL_ZERO | |
e93cdf42 BV |
62 | }; |
63 | ||
64 | SR_PRIV struct sr_dev_driver agdmm_driver_info; | |
65 | static struct sr_dev_driver *di = &agdmm_driver_info; | |
66 | ||
6078d2c9 | 67 | static int init(struct sr_context *sr_ctx) |
e93cdf42 | 68 | { |
f6beaac5 | 69 | return std_init(sr_ctx, di, LOG_PREFIX); |
e93cdf42 BV |
70 | } |
71 | ||
6078d2c9 | 72 | static GSList *scan(GSList *options) |
e93cdf42 BV |
73 | { |
74 | struct sr_dev_inst *sdi; | |
75 | struct drv_context *drvc; | |
76 | struct dev_context *devc; | |
1987b8d6 | 77 | struct sr_config *src; |
ba7dd8bb | 78 | struct sr_channel *ch; |
109a3ba4 | 79 | struct sr_serial_dev_inst *serial; |
e93cdf42 | 80 | GSList *l, *devices; |
109a3ba4 | 81 | int len, i; |
e93cdf42 BV |
82 | const char *conn, *serialcomm; |
83 | char *buf, **tokens; | |
84 | ||
85 | drvc = di->priv; | |
86 | drvc->instances = NULL; | |
87 | ||
88 | devices = NULL; | |
89 | conn = serialcomm = NULL; | |
90 | for (l = options; l; l = l->next) { | |
1987b8d6 BV |
91 | src = l->data; |
92 | switch (src->key) { | |
1953564a | 93 | case SR_CONF_CONN: |
e44ac12a | 94 | conn = g_variant_get_string(src->data, NULL); |
e93cdf42 | 95 | break; |
1953564a | 96 | case SR_CONF_SERIALCOMM: |
e44ac12a | 97 | serialcomm = g_variant_get_string(src->data, NULL); |
e93cdf42 BV |
98 | break; |
99 | } | |
100 | } | |
74ac7d7f | 101 | if (!conn) |
e93cdf42 | 102 | return NULL; |
109a3ba4 BV |
103 | if (!serialcomm) |
104 | serialcomm = SERIALCOMM; | |
e93cdf42 | 105 | |
109a3ba4 | 106 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) |
e93cdf42 | 107 | return NULL; |
e93cdf42 | 108 | |
a54dd31e | 109 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
e93cdf42 | 110 | return NULL; |
e93cdf42 | 111 | |
109a3ba4 BV |
112 | serial_flush(serial); |
113 | if (serial_write(serial, "*IDN?\r\n", 7) == -1) { | |
38d326e8 UH |
114 | sr_err("Unable to send identification string: %s.", |
115 | strerror(errno)); | |
e93cdf42 BV |
116 | return NULL; |
117 | } | |
118 | ||
119 | len = 128; | |
886a52b6 UH |
120 | if (!(buf = g_try_malloc(len))) { |
121 | sr_err("Serial buffer malloc failed."); | |
122 | return NULL; | |
123 | } | |
109a3ba4 | 124 | serial_readline(serial, &buf, &len, 150); |
e93cdf42 BV |
125 | if (!len) |
126 | return NULL; | |
127 | ||
128 | tokens = g_strsplit(buf, ",", 4); | |
129 | if (!strcmp("Agilent Technologies", tokens[0]) | |
fbf07e02 | 130 | && tokens[1] && tokens[2] && tokens[3]) { |
e93cdf42 BV |
131 | for (i = 0; supported_agdmm[i].model; i++) { |
132 | if (strcmp(supported_agdmm[i].modelname, tokens[1])) | |
133 | continue; | |
67d6f6fc | 134 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Agilent", |
e93cdf42 BV |
135 | tokens[1], tokens[3]))) |
136 | return NULL; | |
137 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
886a52b6 | 138 | sr_err("Device context malloc failed."); |
e93cdf42 BV |
139 | return NULL; |
140 | } | |
141 | devc->profile = &supported_agdmm[i]; | |
e93cdf42 | 142 | devc->cur_mq = -1; |
fb3a1505 BV |
143 | sdi->inst_type = SR_INST_SERIAL; |
144 | sdi->conn = serial; | |
e93cdf42 BV |
145 | sdi->priv = devc; |
146 | sdi->driver = di; | |
3f239f08 | 147 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1"))) |
e93cdf42 | 148 | return NULL; |
ba7dd8bb | 149 | sdi->channels = g_slist_append(sdi->channels, ch); |
e93cdf42 BV |
150 | drvc->instances = g_slist_append(drvc->instances, sdi); |
151 | devices = g_slist_append(devices, sdi); | |
152 | break; | |
153 | } | |
154 | } | |
155 | g_strfreev(tokens); | |
156 | g_free(buf); | |
157 | ||
109a3ba4 BV |
158 | serial_close(serial); |
159 | if (!devices) | |
160 | sr_serial_dev_inst_free(serial); | |
e93cdf42 BV |
161 | |
162 | return devices; | |
163 | } | |
164 | ||
6078d2c9 | 165 | static GSList *dev_list(void) |
e93cdf42 | 166 | { |
0e94d524 | 167 | return ((struct drv_context *)(di->priv))->instances; |
e93cdf42 BV |
168 | } |
169 | ||
6078d2c9 | 170 | static int cleanup(void) |
e93cdf42 | 171 | { |
a6630742 | 172 | return std_dev_clear(di, NULL); |
e93cdf42 BV |
173 | } |
174 | ||
8f996b89 | 175 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 176 | const struct sr_channel_group *cg) |
e93cdf42 BV |
177 | { |
178 | struct dev_context *devc; | |
179 | ||
53b4680f | 180 | (void)cg; |
8f996b89 | 181 | |
e93cdf42 | 182 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 183 | return SR_ERR_DEV_CLOSED; |
e93cdf42 BV |
184 | |
185 | if (!(devc = sdi->priv)) { | |
38d326e8 | 186 | sr_err("sdi->priv was NULL."); |
e93cdf42 BV |
187 | return SR_ERR_BUG; |
188 | } | |
189 | ||
035a1078 | 190 | switch (id) { |
1953564a | 191 | case SR_CONF_LIMIT_MSEC: |
e93cdf42 | 192 | /* TODO: not yet implemented */ |
e44ac12a | 193 | if (g_variant_get_uint64(data) == 0) { |
38d326e8 | 194 | sr_err("LIMIT_MSEC can't be 0."); |
e93cdf42 BV |
195 | return SR_ERR; |
196 | } | |
e44ac12a | 197 | devc->limit_msec = g_variant_get_uint64(data); |
38d326e8 | 198 | sr_dbg("Setting time limit to %" PRIu64 "ms.", |
e93cdf42 BV |
199 | devc->limit_msec); |
200 | break; | |
1953564a | 201 | case SR_CONF_LIMIT_SAMPLES: |
e44ac12a | 202 | devc->limit_samples = g_variant_get_uint64(data); |
38d326e8 | 203 | sr_dbg("Setting sample limit to %" PRIu64 ".", |
e93cdf42 BV |
204 | devc->limit_samples); |
205 | break; | |
206 | default: | |
bd6fbf62 | 207 | return SR_ERR_NA; |
e93cdf42 BV |
208 | } |
209 | ||
210 | return SR_OK; | |
211 | } | |
212 | ||
8f996b89 | 213 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 214 | const struct sr_channel_group *cg) |
a1c743fc | 215 | { |
a1c743fc | 216 | (void)sdi; |
53b4680f | 217 | (void)cg; |
a1c743fc BV |
218 | |
219 | switch (key) { | |
0d485e30 | 220 | case SR_CONF_SCAN_OPTIONS: |
e44ac12a BV |
221 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
222 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
0d485e30 | 223 | break; |
9a6517d1 | 224 | case SR_CONF_DEVICE_OPTIONS: |
e44ac12a BV |
225 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
226 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 227 | break; |
a1c743fc | 228 | default: |
bd6fbf62 | 229 | return SR_ERR_NA; |
a1c743fc BV |
230 | } |
231 | ||
232 | return SR_OK; | |
233 | } | |
234 | ||
6078d2c9 | 235 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
e93cdf42 | 236 | { |
e93cdf42 | 237 | struct dev_context *devc; |
fb3a1505 | 238 | struct sr_serial_dev_inst *serial; |
e93cdf42 | 239 | |
e73ffd42 BV |
240 | if (sdi->status != SR_ST_ACTIVE) |
241 | return SR_ERR_DEV_CLOSED; | |
242 | ||
e93cdf42 | 243 | if (!(devc = sdi->priv)) { |
38d326e8 | 244 | sr_err("sdi->priv was NULL."); |
e93cdf42 BV |
245 | return SR_ERR_BUG; |
246 | } | |
247 | ||
e93cdf42 BV |
248 | devc->cb_data = cb_data; |
249 | ||
250 | /* Send header packet to the session bus. */ | |
29a27196 | 251 | std_session_send_df_header(cb_data, LOG_PREFIX); |
e93cdf42 | 252 | |
e93cdf42 | 253 | /* Poll every 100ms, or whenever some data comes in. */ |
fb3a1505 | 254 | serial = sdi->conn; |
102f1239 BV |
255 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
256 | agdmm_receive_data, (void *)sdi); | |
e93cdf42 BV |
257 | |
258 | return SR_OK; | |
259 | } | |
260 | ||
6078d2c9 | 261 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
e93cdf42 | 262 | { |
d43b0908 | 263 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
29a27196 | 264 | sdi->conn, LOG_PREFIX); |
e93cdf42 BV |
265 | } |
266 | ||
267 | SR_PRIV struct sr_dev_driver agdmm_driver_info = { | |
268 | .name = "agilent-dmm", | |
269 | .longname = "Agilent U12xx series DMMs", | |
270 | .api_version = 1, | |
6078d2c9 UH |
271 | .init = init, |
272 | .cleanup = cleanup, | |
273 | .scan = scan, | |
274 | .dev_list = dev_list, | |
a6630742 | 275 | .dev_clear = NULL, |
6fab7b8f | 276 | .config_get = NULL, |
035a1078 | 277 | .config_set = config_set, |
a1c743fc | 278 | .config_list = config_list, |
854434de | 279 | .dev_open = std_serial_dev_open, |
bf2c987f | 280 | .dev_close = std_serial_dev_close, |
6078d2c9 UH |
281 | .dev_acquisition_start = dev_acquisition_start, |
282 | .dev_acquisition_stop = dev_acquisition_stop, | |
e93cdf42 BV |
283 | .priv = NULL, |
284 | }; |