+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/** @file
- * <em>Conrad DIGI 35 CPU</em> power supply driver
- * @internal
- */
-
-#include "protocol.h"
-
-#define SERIALCOMM "9600/8n1"
-
-static const int32_t hwopts[] = {
- SR_CONF_CONN,
- SR_CONF_SERIALCOMM,
-};
-
-static const int32_t hwcaps[] = {
- SR_CONF_POWER_SUPPLY,
- SR_CONF_OUTPUT_VOLTAGE,
- SR_CONF_OUTPUT_CURRENT,
- /* There's no SR_CONF_OUTPUT_ENABLED; can't know/set status remotely. */
- SR_CONF_OVER_CURRENT_PROTECTION,
-};
-
-SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info;
-static struct sr_dev_driver *di = &conrad_digi_35_cpu_driver_info;
-
-static int init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *scan(GSList *options)
-{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct sr_config *src;
- struct sr_channel *ch;
- struct sr_serial_dev_inst *serial;
- GSList *l, *devices;
- const char *conn, *serialcomm;
-
- devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
- conn = serialcomm = NULL;
-
- for (l = options; l; l = l->next) {
- src = l->data;
- switch (src->key) {
- case SR_CONF_CONN:
- conn = g_variant_get_string(src->data, NULL);
- break;
- case SR_CONF_SERIALCOMM:
- serialcomm = g_variant_get_string(src->data, NULL);
- break;
- }
- }
- if (!conn)
- return NULL;
- if (!serialcomm)
- serialcomm = SERIALCOMM;
-
- /*
- * We cannot scan for this device because it is write-only.
- * So just check that the port parameters are valid and assume that
- * the device is there.
- */
-
- if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
- return NULL;
-
- if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- return NULL;
-
- serial_flush(serial);
- serial_close(serial);
-
- sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn);
-
- if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, "Conrad", "DIGI 35 CPU", NULL)))
- return NULL;
-
- sdi->conn = serial;
- sdi->priv = NULL;
- sdi->driver = di;
- if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "CH1")))
- return NULL;
- sdi->channels = g_slist_append(sdi->channels, ch);
-
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
-
- return devices;
-}
-
-static GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int cleanup(void)
-{
- return std_dev_clear(di, NULL);
-}
-
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- int ret;
- double dblval;
-
- (void)cg;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- ret = SR_OK;
- switch (key) {
- case SR_CONF_OUTPUT_VOLTAGE:
- dblval = g_variant_get_double(data);
- if ((dblval < 0.0) || (dblval > 35.0)) {
- sr_err("Voltage out of range (0 - 35.0)!");
- return SR_ERR_ARG;
- }
- ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5));
- break;
- case SR_CONF_OUTPUT_CURRENT:
- dblval = g_variant_get_double(data);
- if ((dblval < 0.01) || (dblval > 2.55)) {
- sr_err("Current out of range (0 - 2.55)!");
- return SR_ERR_ARG;
- }
- ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5));
- break;
- /* No SR_CONF_OUTPUT_ENABLED :-( . */
- case SR_CONF_OVER_CURRENT_PROTECTION:
- if (g_variant_get_boolean(data))
- ret = send_msg1(sdi, 'V', 900);
- else /* Constant current mode */
- ret = send_msg1(sdi, 'V', 901);
- break;
- default:
- ret = SR_ERR_NA;
- }
-
- return ret;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- int ret;
-
- (void)sdi;
- (void)cg;
-
- ret = SR_OK;
- switch (key) {
- case SR_CONF_SCAN_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
- break;
- case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
- break;
- default:
- return SR_ERR_NA;
- }
-
- return ret;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
-{
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info = {
- .name = "conrad-digi-35-cpu",
- .longname = "Conrad DIGI 35 CPU",
- .api_version = 1,
- .init = init,
- .cleanup = cleanup,
- .scan = scan,
- .dev_list = dev_list,
- .dev_clear = NULL,
- .config_get = NULL,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = std_serial_dev_open,
- .dev_close = std_serial_dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / blobdiff