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>
26 #include "libsigrok.h"
27 #include "libsigrok-internal.h"
28 #include "agilent-dmm.h"
30 static const uint32_t scanopts[] = {
35 static const uint32_t devopts[] = {
38 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
39 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
42 extern const struct agdmm_job agdmm_jobs_u12xx[];
43 extern const struct agdmm_recv agdmm_recvs_u123x[];
44 extern const struct agdmm_recv agdmm_recvs_u124x[];
45 extern const struct agdmm_recv agdmm_recvs_u125x[];
47 /* This works on all the Agilent U12xxA series, although the
48 * U127xA can apparently also run at 19200/8n1. */
49 #define SERIALCOMM "9600/8n1"
51 static const struct agdmm_profile supported_agdmm[] = {
52 { AGILENT_U1231, "U1231A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
53 { AGILENT_U1232, "U1232A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
54 { AGILENT_U1233, "U1233A", agdmm_jobs_u12xx, agdmm_recvs_u123x },
56 { AGILENT_U1241, "U1241A", agdmm_jobs_u12xx, agdmm_recvs_u124x },
57 { AGILENT_U1242, "U1242A", agdmm_jobs_u12xx, agdmm_recvs_u124x },
58 { AGILENT_U1241, "U1241B", agdmm_jobs_u12xx, agdmm_recvs_u124x },
59 { AGILENT_U1242, "U1242B", agdmm_jobs_u12xx, agdmm_recvs_u124x },
61 { AGILENT_U1251, "U1251A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
62 { AGILENT_U1252, "U1252A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
63 { AGILENT_U1253, "U1253A", agdmm_jobs_u12xx, agdmm_recvs_u125x },
64 { AGILENT_U1251, "U1251B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
65 { AGILENT_U1252, "U1252B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
66 { AGILENT_U1253, "U1253B", agdmm_jobs_u12xx, agdmm_recvs_u125x },
70 SR_PRIV struct sr_dev_driver agdmm_driver_info;
71 static struct sr_dev_driver *di = &agdmm_driver_info;
73 static int init(struct sr_context *sr_ctx)
75 return std_init(sr_ctx, di, LOG_PREFIX);
78 static GSList *scan(GSList *options)
80 struct sr_dev_inst *sdi;
81 struct drv_context *drvc;
82 struct dev_context *devc;
83 struct sr_config *src;
84 struct sr_channel *ch;
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 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
115 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
118 serial_flush(serial);
119 if (serial_write_blocking(serial, "*IDN?\r\n", 7) == -1) {
120 sr_err("Unable to send identification string: %s.",
126 if (!(buf = g_try_malloc(len))) {
127 sr_err("Serial buffer malloc failed.");
130 serial_readline(serial, &buf, &len, 250);
134 tokens = g_strsplit(buf, ",", 4);
135 if (!strcmp("Agilent Technologies", tokens[0])
136 && tokens[1] && tokens[2] && tokens[3]) {
137 for (i = 0; supported_agdmm[i].model; i++) {
138 if (strcmp(supported_agdmm[i].modelname, tokens[1]))
140 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Agilent",
141 tokens[1], tokens[3])))
143 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
144 sr_err("Device context malloc failed.");
147 devc->profile = &supported_agdmm[i];
149 sdi->inst_type = SR_INST_SERIAL;
153 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
155 sdi->channels = g_slist_append(sdi->channels, ch);
156 drvc->instances = g_slist_append(drvc->instances, sdi);
157 devices = g_slist_append(devices, sdi);
164 serial_close(serial);
166 sr_serial_dev_inst_free(serial);
171 static GSList *dev_list(void)
173 return ((struct drv_context *)(di->priv))->instances;
176 static int cleanup(void)
178 return std_dev_clear(di, NULL);
181 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
182 const struct sr_channel_group *cg)
184 struct dev_context *devc;
188 if (sdi->status != SR_ST_ACTIVE)
189 return SR_ERR_DEV_CLOSED;
191 if (!(devc = sdi->priv)) {
192 sr_err("sdi->priv was NULL.");
197 case SR_CONF_LIMIT_MSEC:
198 /* TODO: not yet implemented */
199 if (g_variant_get_uint64(data) == 0) {
200 sr_err("LIMIT_MSEC can't be 0.");
203 devc->limit_msec = g_variant_get_uint64(data);
204 sr_dbg("Setting time limit to %" PRIu64 "ms.",
207 case SR_CONF_LIMIT_SAMPLES:
208 devc->limit_samples = g_variant_get_uint64(data);
209 sr_dbg("Setting sample limit to %" PRIu64 ".",
210 devc->limit_samples);
219 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
220 const struct sr_channel_group *cg)
226 case SR_CONF_SCAN_OPTIONS:
227 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
228 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
230 case SR_CONF_DEVICE_OPTIONS:
231 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
232 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
241 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
243 struct dev_context *devc;
244 struct sr_serial_dev_inst *serial;
246 if (sdi->status != SR_ST_ACTIVE)
247 return SR_ERR_DEV_CLOSED;
249 if (!(devc = sdi->priv)) {
250 sr_err("sdi->priv was NULL.");
254 devc->cb_data = cb_data;
256 /* Send header packet to the session bus. */
257 std_session_send_df_header(cb_data, LOG_PREFIX);
259 /* Poll every 100ms, or whenever some data comes in. */
261 serial_source_add(sdi->session, serial, G_IO_IN, 100,
262 agdmm_receive_data, (void *)sdi);
267 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
269 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
270 sdi->conn, LOG_PREFIX);
273 SR_PRIV struct sr_dev_driver agdmm_driver_info = {
274 .name = "agilent-dmm",
275 .longname = "Agilent U12xx series DMMs",
280 .dev_list = dev_list,
283 .config_set = config_set,
284 .config_list = config_list,
285 .dev_open = std_serial_dev_open,
286 .dev_close = std_serial_dev_close,
287 .dev_acquisition_start = dev_acquisition_start,
288 .dev_acquisition_stop = dev_acquisition_stop,