2 * This file is part of the libsigrok project.
4 * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
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/>.
23 * <em>Conrad DIGI 35 CPU</em> power supply driver
31 #define SERIALCOMM "9600/8n1"
33 static const uint32_t scanopts[] = {
38 static const uint32_t devopts[] = {
40 SR_CONF_VOLTAGE | SR_CONF_SET,
41 SR_CONF_CURRENT | SR_CONF_SET,
42 SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_SET,
45 static GSList *scan(struct sr_dev_driver *di, GSList *options)
47 struct sr_dev_inst *sdi;
48 struct sr_config *src;
49 struct sr_serial_dev_inst *serial;
51 const char *conn, *serialcomm;
53 conn = serialcomm = NULL;
55 for (l = options; l; l = l->next) {
59 conn = g_variant_get_string(src->data, NULL);
61 case SR_CONF_SERIALCOMM:
62 serialcomm = g_variant_get_string(src->data, NULL);
69 serialcomm = SERIALCOMM;
72 * We cannot scan for this device because it is write-only.
73 * So just check that the port parameters are valid and assume that
74 * the device is there.
77 serial = sr_serial_dev_inst_new(conn, serialcomm);
79 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
85 sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn);
87 sdi = g_malloc0(sizeof(struct sr_dev_inst));
88 sdi->status = SR_ST_INACTIVE;
89 sdi->vendor = g_strdup("Conrad");
90 sdi->model = g_strdup("DIGI 35 CPU");
93 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
95 return std_scan_complete(di, g_slist_append(NULL, sdi));
98 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
99 const struct sr_channel_group *cg)
107 case SR_CONF_VOLTAGE:
108 dblval = g_variant_get_double(data);
109 if ((dblval < 0.0) || (dblval > 35.0)) {
110 sr_err("Voltage out of range (0 - 35.0)!");
113 ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5));
115 case SR_CONF_CURRENT:
116 dblval = g_variant_get_double(data);
117 if ((dblval < 0.01) || (dblval > 2.55)) {
118 sr_err("Current out of range (0 - 2.55)!");
121 ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5));
123 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
124 if (g_variant_get_boolean(data))
125 ret = send_msg1(sdi, 'V', 900);
126 else /* Constant current mode */
127 ret = send_msg1(sdi, 'V', 901);
136 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
137 const struct sr_channel_group *cg)
139 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NULL, devopts);
142 static struct sr_dev_driver conrad_digi_35_cpu_driver_info = {
143 .name = "conrad-digi-35-cpu",
144 .longname = "Conrad DIGI 35 CPU",
147 .cleanup = std_cleanup,
149 .dev_list = std_dev_list,
150 .dev_clear = std_dev_clear,
152 .config_set = config_set,
153 .config_list = config_list,
154 .dev_open = std_serial_dev_open,
155 .dev_close = std_serial_dev_close,
156 .dev_acquisition_start = std_dummy_dev_acquisition_start,
157 .dev_acquisition_stop = std_dummy_dev_acquisition_stop,
160 SR_REGISTER_DEV_DRIVER(conrad_digi_35_cpu_driver_info);