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 SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info;
44 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
46 return std_init(sr_ctx, di, LOG_PREFIX);
49 static GSList *scan(struct sr_dev_driver *di, GSList *options)
51 struct sr_dev_inst *sdi;
52 struct drv_context *drvc;
53 struct sr_config *src;
54 struct sr_serial_dev_inst *serial;
56 const char *conn, *serialcomm;
60 drvc->instances = NULL;
61 conn = serialcomm = NULL;
63 for (l = options; l; l = l->next) {
67 conn = g_variant_get_string(src->data, NULL);
69 case SR_CONF_SERIALCOMM:
70 serialcomm = g_variant_get_string(src->data, NULL);
77 serialcomm = SERIALCOMM;
80 * We cannot scan for this device because it is write-only.
81 * So just check that the port parameters are valid and assume that
82 * the device is there.
85 serial = sr_serial_dev_inst_new(conn, serialcomm);
87 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
93 sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn);
95 sdi = g_malloc0(sizeof(struct sr_dev_inst));
96 sdi->status = SR_ST_ACTIVE;
97 sdi->vendor = g_strdup("Conrad");
98 sdi->model = g_strdup("DIGI 35 CPU");
102 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
103 drvc->instances = g_slist_append(drvc->instances, sdi);
104 devices = g_slist_append(devices, sdi);
109 static GSList *dev_list(const struct sr_dev_driver *di)
111 return ((struct drv_context *)(di->context))->instances;
114 static int cleanup(const struct sr_dev_driver *di)
116 return std_dev_clear(di, NULL);
119 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
120 const struct sr_channel_group *cg)
127 if (sdi->status != SR_ST_ACTIVE)
128 return SR_ERR_DEV_CLOSED;
131 case SR_CONF_VOLTAGE:
132 dblval = g_variant_get_double(data);
133 if ((dblval < 0.0) || (dblval > 35.0)) {
134 sr_err("Voltage out of range (0 - 35.0)!");
137 ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5));
139 case SR_CONF_CURRENT:
140 dblval = g_variant_get_double(data);
141 if ((dblval < 0.01) || (dblval > 2.55)) {
142 sr_err("Current out of range (0 - 2.55)!");
145 ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5));
147 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
148 if (g_variant_get_boolean(data))
149 ret = send_msg1(sdi, 'V', 900);
150 else /* Constant current mode */
151 ret = send_msg1(sdi, 'V', 901);
160 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
161 const struct sr_channel_group *cg)
170 case SR_CONF_SCAN_OPTIONS:
171 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
172 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
174 case SR_CONF_DEVICE_OPTIONS:
175 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
176 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
185 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
189 if (sdi->status != SR_ST_ACTIVE)
190 return SR_ERR_DEV_CLOSED;
195 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
199 if (sdi->status != SR_ST_ACTIVE)
200 return SR_ERR_DEV_CLOSED;
205 SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info = {
206 .name = "conrad-digi-35-cpu",
207 .longname = "Conrad DIGI 35 CPU",
212 .dev_list = dev_list,
215 .config_set = config_set,
216 .config_list = config_list,
217 .dev_open = std_serial_dev_open,
218 .dev_close = std_serial_dev_close,
219 .dev_acquisition_start = dev_acquisition_start,
220 .dev_acquisition_stop = dev_acquisition_stop,