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 #define SERIALCOMM "9600/8n1"
25 static const uint32_t scanopts[] = {
30 static const uint32_t drvopts[] = {
34 static const uint32_t devopts[] = {
35 SR_CONF_VOLTAGE_TARGET | SR_CONF_SET | SR_CONF_LIST,
36 SR_CONF_CURRENT_LIMIT | SR_CONF_SET | SR_CONF_LIST,
37 SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_SET,
40 static GSList *scan(struct sr_dev_driver *di, GSList *options)
42 struct dev_context *devc;
43 struct sr_dev_inst *sdi;
44 struct sr_config *src;
45 struct sr_serial_dev_inst *serial;
47 const char *conn, *serialcomm;
49 conn = serialcomm = NULL;
51 for (l = options; l; l = l->next) {
55 conn = g_variant_get_string(src->data, NULL);
57 case SR_CONF_SERIALCOMM:
58 serialcomm = g_variant_get_string(src->data, NULL);
65 serialcomm = SERIALCOMM;
68 * We cannot scan for this device because it is write-only.
69 * So just check that the port parameters are valid and assume that
70 * the device is there.
73 serial = sr_serial_dev_inst_new(conn, serialcomm);
75 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
80 sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn);
82 sdi = g_malloc0(sizeof(struct sr_dev_inst));
83 sdi->status = SR_ST_INACTIVE;
84 sdi->vendor = g_strdup("Conrad");
85 sdi->model = g_strdup("DIGI 35 CPU");
86 devc = g_malloc0(sizeof(struct dev_context));
87 sr_sw_limits_init(&devc->limits);
88 sdi->inst_type = SR_INST_SERIAL;
91 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
93 return std_scan_complete(di, g_slist_append(NULL, sdi));
96 static int config_set(uint32_t key, GVariant *data,
97 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
104 case SR_CONF_VOLTAGE_TARGET:
105 dblval = g_variant_get_double(data);
106 if ((dblval < 0.0) || (dblval > 35.0)) {
107 sr_err("Voltage out of range (0 - 35.0)!");
110 return send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5));
111 case SR_CONF_CURRENT_LIMIT:
112 dblval = g_variant_get_double(data);
113 if ((dblval < 0.00) || (dblval > 2.55)) {
114 sr_err("Current out of range (0 - 2.55)!");
117 return send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5));
118 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
119 if (g_variant_get_boolean(data))
120 return send_msg1(sdi, 'V', 900);
121 else /* Constant current mode */
122 return send_msg1(sdi, 'V', 901);
130 static int config_list(uint32_t key, GVariant **data,
131 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
134 case SR_CONF_SCAN_OPTIONS:
135 case SR_CONF_DEVICE_OPTIONS:
136 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
137 case SR_CONF_VOLTAGE_TARGET:
138 *data = std_gvar_min_max_step(0.0, 35.0, 0.1);
140 case SR_CONF_CURRENT_LIMIT:
141 *data = std_gvar_min_max_step(0.0, 2.55, 0.01);
150 static struct sr_dev_driver conrad_digi_35_cpu_driver_info = {
151 .name = "conrad-digi-35-cpu",
152 .longname = "Conrad DIGI 35 CPU",
155 .cleanup = std_cleanup,
157 .dev_list = std_dev_list,
158 .dev_clear = std_dev_clear,
160 .config_set = config_set,
161 .config_list = config_list,
162 .dev_open = std_serial_dev_open,
163 .dev_close = std_serial_dev_close,
164 .dev_acquisition_start = std_dummy_dev_acquisition_start,
165 .dev_acquisition_stop = std_dummy_dev_acquisition_stop,
168 SR_REGISTER_DEV_DRIVER(conrad_digi_35_cpu_driver_info);