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 int32_t hwopts[] = {
35 static const int32_t hwcaps[] = {
37 SR_CONF_LIMIT_SAMPLES,
42 extern const struct agdmm_job agdmm_jobs_u123x[];
43 extern const struct agdmm_recv agdmm_recvs_u123x[];
44 extern const struct agdmm_job agdmm_jobs_u125x[];
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_U1231A, "U1231A", agdmm_jobs_u123x, agdmm_recvs_u123x },
53 { AGILENT_U1232A, "U1232A", agdmm_jobs_u123x, agdmm_recvs_u123x },
54 { AGILENT_U1233A, "U1233A", agdmm_jobs_u123x, agdmm_recvs_u123x },
55 { AGILENT_U1251A, "U1251A", agdmm_jobs_u125x, agdmm_recvs_u125x },
56 { AGILENT_U1252A, "U1252A", agdmm_jobs_u125x, agdmm_recvs_u125x },
57 { AGILENT_U1253A, "U1253A", agdmm_jobs_u125x, agdmm_recvs_u125x },
58 { 0, NULL, NULL, NULL }
61 SR_PRIV struct sr_dev_driver agdmm_driver_info;
62 static struct sr_dev_driver *di = &agdmm_driver_info;
64 static int dev_clear(void)
66 return std_dev_clear(di, NULL);
69 static int init(struct sr_context *sr_ctx)
71 return std_init(sr_ctx, di, LOG_PREFIX);
74 static GSList *scan(GSList *options)
76 struct sr_dev_inst *sdi;
77 struct drv_context *drvc;
78 struct dev_context *devc;
79 struct sr_config *src;
80 struct sr_probe *probe;
81 struct sr_serial_dev_inst *serial;
84 const char *conn, *serialcomm;
88 drvc->instances = NULL;
91 conn = serialcomm = NULL;
92 for (l = options; l; l = l->next) {
96 conn = g_variant_get_string(src->data, NULL);
98 case SR_CONF_SERIALCOMM:
99 serialcomm = g_variant_get_string(src->data, NULL);
106 serialcomm = SERIALCOMM;
108 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
111 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
114 serial_flush(serial);
115 if (serial_write(serial, "*IDN?\r\n", 7) == -1) {
116 sr_err("Unable to send identification string: %s.",
122 if (!(buf = g_try_malloc(len))) {
123 sr_err("Serial buffer malloc failed.");
126 serial_readline(serial, &buf, &len, 150);
130 tokens = g_strsplit(buf, ",", 4);
131 if (!strcmp("Agilent Technologies", tokens[0])
132 && tokens[2] && tokens[3]) {
133 for (i = 0; supported_agdmm[i].model; i++) {
134 if (strcmp(supported_agdmm[i].modelname, tokens[1]))
136 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, tokens[0],
137 tokens[1], tokens[3])))
139 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
140 sr_err("Device context malloc failed.");
143 devc->profile = &supported_agdmm[i];
145 sdi->inst_type = SR_INST_SERIAL;
149 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
151 sdi->probes = g_slist_append(sdi->probes, probe);
152 drvc->instances = g_slist_append(drvc->instances, sdi);
153 devices = g_slist_append(devices, sdi);
160 serial_close(serial);
162 sr_serial_dev_inst_free(serial);
167 static GSList *dev_list(void)
169 return ((struct drv_context *)(di->priv))->instances;
172 static int dev_open(struct sr_dev_inst *sdi)
174 struct sr_serial_dev_inst *serial;
177 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
180 sdi->status = SR_ST_ACTIVE;
185 static int dev_close(struct sr_dev_inst *sdi)
187 struct sr_serial_dev_inst *serial;
190 if (serial && serial->fd != -1) {
191 serial_close(serial);
192 sdi->status = SR_ST_INACTIVE;
198 static int cleanup(void)
203 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
205 struct dev_context *devc;
207 if (sdi->status != SR_ST_ACTIVE)
208 return SR_ERR_DEV_CLOSED;
210 if (!(devc = sdi->priv)) {
211 sr_err("sdi->priv was NULL.");
216 case SR_CONF_LIMIT_MSEC:
217 /* TODO: not yet implemented */
218 if (g_variant_get_uint64(data) == 0) {
219 sr_err("LIMIT_MSEC can't be 0.");
222 devc->limit_msec = g_variant_get_uint64(data);
223 sr_dbg("Setting time limit to %" PRIu64 "ms.",
226 case SR_CONF_LIMIT_SAMPLES:
227 devc->limit_samples = g_variant_get_uint64(data);
228 sr_dbg("Setting sample limit to %" PRIu64 ".",
229 devc->limit_samples);
238 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
244 case SR_CONF_SCAN_OPTIONS:
245 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
246 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
248 case SR_CONF_DEVICE_OPTIONS:
249 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
250 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
259 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
261 struct dev_context *devc;
262 struct sr_serial_dev_inst *serial;
264 if (sdi->status != SR_ST_ACTIVE)
265 return SR_ERR_DEV_CLOSED;
267 if (!(devc = sdi->priv)) {
268 sr_err("sdi->priv was NULL.");
272 devc->cb_data = cb_data;
274 /* Send header packet to the session bus. */
275 std_session_send_df_header(cb_data, LOG_PREFIX);
277 /* Poll every 100ms, or whenever some data comes in. */
279 sr_source_add(serial->fd, G_IO_IN, 100, agdmm_receive_data, (void *)sdi);
284 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
286 return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
287 sdi->conn, LOG_PREFIX);
290 SR_PRIV struct sr_dev_driver agdmm_driver_info = {
291 .name = "agilent-dmm",
292 .longname = "Agilent U12xx series DMMs",
297 .dev_list = dev_list,
298 .dev_clear = dev_clear,
300 .config_set = config_set,
301 .config_list = config_list,
302 .dev_open = dev_open,
303 .dev_close = dev_close,
304 .dev_acquisition_start = dev_acquisition_start,
305 .dev_acquisition_stop = dev_acquisition_stop,