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/>.
22 #include <sys/types.h>
26 #include <libsigrok/libsigrok.h>
27 #include "libsigrok-internal.h"
28 #include "agilent-dmm.h"
30 static const uint32_t scanopts[] = {
35 static const uint32_t drvopts[] = {
39 static const uint32_t devopts[] = {
41 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
42 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
45 extern const struct agdmm_job agdmm_jobs_u12xx[];
46 extern const struct agdmm_recv agdmm_recvs_u123x[];
47 extern const struct agdmm_recv agdmm_recvs_u124x[];
48 extern const struct agdmm_recv agdmm_recvs_u125x[];
50 /* This works on all the Agilent U12xxA series, although the
51 * U127xA can apparently also run at 19200/8n1. */
52 #define SERIALCOMM "9600/8n1"
54 static const struct agdmm_profile supported_agdmm[] = {
55 { AGILENT_U1231, "U1231A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
56 { AGILENT_U1232, "U1232A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
57 { AGILENT_U1233, "U1233A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
59 { AGILENT_U1241, "U1241A", agdmm_jobs_u12xx, agdmm_recvs_u124x },
60 { AGILENT_U1242, "U1242A", agdmm_jobs_u12xx, agdmm_recvs_u124x },
61 { AGILENT_U1241, "U1241B", agdmm_jobs_u12xx, agdmm_recvs_u124x },
62 { AGILENT_U1242, "U1242B", agdmm_jobs_u12xx, agdmm_recvs_u124x },
64 { AGILENT_U1251, "U1251A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
65 { AGILENT_U1252, "U1252A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
66 { AGILENT_U1253, "U1253A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
67 { AGILENT_U1251, "U1251B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
68 { AGILENT_U1252, "U1252B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
69 { AGILENT_U1253, "U1253B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
73 static GSList *scan(struct sr_dev_driver *di, GSList *options)
75 struct sr_dev_inst *sdi;
76 struct dev_context *devc;
77 struct sr_config *src;
78 struct sr_serial_dev_inst *serial;
81 const char *conn, *serialcomm;
85 conn = serialcomm = NULL;
86 for (l = options; l; l = l->next) {
90 conn = g_variant_get_string(src->data, NULL);
92 case SR_CONF_SERIALCOMM:
93 serialcomm = g_variant_get_string(src->data, NULL);
100 serialcomm = SERIALCOMM;
102 serial = sr_serial_dev_inst_new(conn, serialcomm);
104 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
107 serial_flush(serial);
108 if (serial_write_blocking(serial, "*IDN?\r\n", 7, SERIAL_WRITE_TIMEOUT_MS) < 7) {
109 sr_err("Unable to send identification string.");
115 serial_readline(serial, &buf, &len, 250);
119 tokens = g_strsplit(buf, ",", 4);
120 if (!strcmp("Agilent Technologies", tokens[0])
121 && tokens[1] && tokens[2] && tokens[3]) {
122 for (i = 0; supported_agdmm[i].model; i++) {
123 if (strcmp(supported_agdmm[i].modelname, tokens[1]))
125 sdi = g_malloc0(sizeof(struct sr_dev_inst));
126 sdi->status = SR_ST_INACTIVE;
127 sdi->vendor = g_strdup("Agilent");
128 sdi->model = g_strdup(tokens[1]);
129 sdi->version = g_strdup(tokens[3]);
130 devc = g_malloc0(sizeof(struct dev_context));
131 sr_sw_limits_init(&devc->limits);
132 devc->profile = &supported_agdmm[i];
134 sdi->inst_type = SR_INST_SERIAL;
137 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
138 devices = g_slist_append(devices, sdi);
145 serial_close(serial);
147 sr_serial_dev_inst_free(serial);
149 return std_scan_complete(di, devices);
152 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
153 const struct sr_channel_group *cg)
155 struct dev_context *devc;
159 if (sdi->status != SR_ST_ACTIVE)
160 return SR_ERR_DEV_CLOSED;
164 return sr_sw_limits_config_set(&devc->limits, key, data);
167 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
168 const struct sr_channel_group *cg)
173 case SR_CONF_SCAN_OPTIONS:
174 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
175 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
177 case SR_CONF_DEVICE_OPTIONS:
179 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
180 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
182 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
183 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
192 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
194 struct dev_context *devc = sdi->priv;
195 struct sr_serial_dev_inst *serial;
197 if (sdi->status != SR_ST_ACTIVE)
198 return SR_ERR_DEV_CLOSED;
200 sr_sw_limits_acquisition_start(&devc->limits);
201 std_session_send_df_header(sdi);
203 /* Poll every 100ms, or whenever some data comes in. */
205 serial_source_add(sdi->session, serial, G_IO_IN, 100,
206 agdmm_receive_data, (void *)sdi);
211 static struct sr_dev_driver agdmm_driver_info = {
212 .name = "agilent-dmm",
213 .longname = "Agilent U12xx series DMMs",
216 .cleanup = std_cleanup,
218 .dev_list = std_dev_list,
221 .config_set = config_set,
222 .config_list = config_list,
223 .dev_open = std_serial_dev_open,
224 .dev_close = std_serial_dev_close,
225 .dev_acquisition_start = dev_acquisition_start,
226 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
229 SR_REGISTER_DEV_DRIVER(agdmm_driver_info);