2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
21 #include <sys/types.h>
25 #include "libsigrok.h"
26 #include "libsigrok-internal.h"
27 #include "agilent-dmm.h"
29 static const uint32_t scanopts[] = {
34 static const uint32_t drvopts[] = {
38 static const uint32_t devopts[] = {
39 SR_CONF_CONTINUOUS | SR_CONF_SET,
40 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
41 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
44 extern const struct agdmm_job agdmm_jobs_u12xx[];
45 extern const struct agdmm_recv agdmm_recvs_u123x[];
46 extern const struct agdmm_recv agdmm_recvs_u124x[];
47 extern const struct agdmm_recv agdmm_recvs_u125x[];
49 /* This works on all the Agilent U12xxA series, although the
50 * U127xA can apparently also run at 19200/8n1. */
51 #define SERIALCOMM "9600/8n1"
53 static const struct agdmm_profile supported_agdmm[] = {
54 { AGILENT_U1231, "U1231A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
55 { AGILENT_U1232, "U1232A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
56 { AGILENT_U1233, "U1233A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
58 { AGILENT_U1241, "U1241A", agdmm_jobs_u12xx, agdmm_recvs_u124x },
59 { AGILENT_U1242, "U1242A", agdmm_jobs_u12xx, agdmm_recvs_u124x },
60 { AGILENT_U1241, "U1241B", agdmm_jobs_u12xx, agdmm_recvs_u124x },
61 { AGILENT_U1242, "U1242B", agdmm_jobs_u12xx, agdmm_recvs_u124x },
63 { AGILENT_U1251, "U1251A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
64 { AGILENT_U1252, "U1252A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
65 { AGILENT_U1253, "U1253A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
66 { AGILENT_U1251, "U1251B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
67 { AGILENT_U1252, "U1252B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
68 { AGILENT_U1253, "U1253B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
72 SR_PRIV struct sr_dev_driver agdmm_driver_info;
74 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
76 return std_init(sr_ctx, di, LOG_PREFIX);
79 static GSList *scan(struct sr_dev_driver *di, GSList *options)
81 struct sr_dev_inst *sdi;
82 struct drv_context *drvc;
83 struct dev_context *devc;
84 struct sr_config *src;
85 struct sr_serial_dev_inst *serial;
88 const char *conn, *serialcomm;
92 drvc->instances = NULL;
95 conn = serialcomm = NULL;
96 for (l = options; l; l = l->next) {
100 conn = g_variant_get_string(src->data, NULL);
102 case SR_CONF_SERIALCOMM:
103 serialcomm = g_variant_get_string(src->data, NULL);
110 serialcomm = SERIALCOMM;
112 serial = sr_serial_dev_inst_new(conn, serialcomm);
114 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
117 serial_flush(serial);
118 if (serial_write_blocking(serial, "*IDN?\r\n", 7, SERIAL_WRITE_TIMEOUT_MS) < 7) {
119 sr_err("Unable to send identification string.");
125 serial_readline(serial, &buf, &len, 250);
129 tokens = g_strsplit(buf, ",", 4);
130 if (!strcmp("Agilent Technologies", tokens[0])
131 && tokens[1] && tokens[2] && tokens[3]) {
132 for (i = 0; supported_agdmm[i].model; i++) {
133 if (strcmp(supported_agdmm[i].modelname, tokens[1]))
135 sdi = g_malloc0(sizeof(struct sr_dev_inst));
136 sdi->status = SR_ST_INACTIVE;
137 sdi->vendor = g_strdup("Agilent");
138 sdi->model = g_strdup(tokens[1]);
139 sdi->version = g_strdup(tokens[3]);
140 devc = g_malloc0(sizeof(struct dev_context));
141 devc->profile = &supported_agdmm[i];
143 sdi->inst_type = SR_INST_SERIAL;
147 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
148 drvc->instances = g_slist_append(drvc->instances, sdi);
149 devices = g_slist_append(devices, sdi);
156 serial_close(serial);
158 sr_serial_dev_inst_free(serial);
163 static GSList *dev_list(const struct sr_dev_driver *di)
165 return ((struct drv_context *)(di->context))->instances;
168 static int cleanup(const struct sr_dev_driver *di)
170 return std_dev_clear(di, NULL);
173 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
174 const struct sr_channel_group *cg)
176 struct dev_context *devc;
180 if (sdi->status != SR_ST_ACTIVE)
181 return SR_ERR_DEV_CLOSED;
183 if (!(devc = sdi->priv)) {
184 sr_err("sdi->priv was NULL.");
189 case SR_CONF_LIMIT_MSEC:
190 /* TODO: not yet implemented */
191 devc->limit_msec = g_variant_get_uint64(data);
193 case SR_CONF_LIMIT_SAMPLES:
194 devc->limit_samples = g_variant_get_uint64(data);
203 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
204 const struct sr_channel_group *cg)
210 case SR_CONF_SCAN_OPTIONS:
211 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
212 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
214 case SR_CONF_DEVICE_OPTIONS:
216 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
217 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
219 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
220 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
229 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
231 struct dev_context *devc;
232 struct sr_serial_dev_inst *serial;
234 if (sdi->status != SR_ST_ACTIVE)
235 return SR_ERR_DEV_CLOSED;
237 if (!(devc = sdi->priv)) {
238 sr_err("sdi->priv was NULL.");
242 devc->cb_data = cb_data;
244 /* Send header packet to the session bus. */
245 std_session_send_df_header(cb_data, LOG_PREFIX);
247 /* Poll every 100ms, or whenever some data comes in. */
249 serial_source_add(sdi->session, serial, G_IO_IN, 100,
250 agdmm_receive_data, (void *)sdi);
255 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
257 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
258 sdi->conn, LOG_PREFIX);
261 SR_PRIV struct sr_dev_driver agdmm_driver_info = {
262 .name = "agilent-dmm",
263 .longname = "Agilent U12xx series DMMs",
268 .dev_list = dev_list,
271 .config_set = config_set,
272 .config_list = config_list,
273 .dev_open = std_serial_dev_open,
274 .dev_close = std_serial_dev_close,
275 .dev_acquisition_start = dev_acquisition_start,
276 .dev_acquisition_stop = dev_acquisition_stop,