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/>.
21 * <em>Conrad DIGI 35 CPU</em> power supply driver
28 #define SERIALCOMM "9600/8n1"
30 static const uint32_t scanopts[] = {
35 static const uint32_t devopts[] = {
37 SR_CONF_VOLTAGE | SR_CONF_SET,
38 SR_CONF_CURRENT | SR_CONF_SET,
39 SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_SET,
42 static GSList *scan(struct sr_dev_driver *di, GSList *options)
44 struct sr_dev_inst *sdi;
45 struct drv_context *drvc;
46 struct sr_config *src;
47 struct sr_serial_dev_inst *serial;
49 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");
94 devices = g_slist_append(devices, sdi);
96 return std_scan_complete(di, devices);
99 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
100 const struct sr_channel_group *cg)
107 if (sdi->status != SR_ST_ACTIVE)
108 return SR_ERR_DEV_CLOSED;
111 case SR_CONF_VOLTAGE:
112 dblval = g_variant_get_double(data);
113 if ((dblval < 0.0) || (dblval > 35.0)) {
114 sr_err("Voltage out of range (0 - 35.0)!");
117 ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5));
119 case SR_CONF_CURRENT:
120 dblval = g_variant_get_double(data);
121 if ((dblval < 0.01) || (dblval > 2.55)) {
122 sr_err("Current out of range (0 - 2.55)!");
125 ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5));
127 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
128 if (g_variant_get_boolean(data))
129 ret = send_msg1(sdi, 'V', 900);
130 else /* Constant current mode */
131 ret = send_msg1(sdi, 'V', 901);
140 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
141 const struct sr_channel_group *cg)
150 case SR_CONF_SCAN_OPTIONS:
151 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
152 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
154 case SR_CONF_DEVICE_OPTIONS:
155 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
156 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
165 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
167 if (sdi->status != SR_ST_ACTIVE)
168 return SR_ERR_DEV_CLOSED;
173 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
175 if (sdi->status != SR_ST_ACTIVE)
176 return SR_ERR_DEV_CLOSED;
181 static struct sr_dev_driver conrad_digi_35_cpu_driver_info = {
182 .name = "conrad-digi-35-cpu",
183 .longname = "Conrad DIGI 35 CPU",
186 .cleanup = std_cleanup,
188 .dev_list = std_dev_list,
191 .config_set = config_set,
192 .config_list = config_list,
193 .dev_open = std_serial_dev_open,
194 .dev_close = std_serial_dev_close,
195 .dev_acquisition_start = dev_acquisition_start,
196 .dev_acquisition_stop = dev_acquisition_stop,
199 SR_REGISTER_DEV_DRIVER(conrad_digi_35_cpu_driver_info);