* 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"
+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 is no SR_CONF_OUTPUT_ENABLED; cannot know or set status remotely. */
+ SR_CONF_OVER_CURRENT_PROTECTION,
+};
+
+
+#define SERIALCOMM "9600/8n1"
+
+
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 GSList *scan(GSList *options)
{
+ struct sr_dev_inst *sdi;
struct drv_context *drvc;
- GSList *devices;
-
- (void)options;
+ struct sr_config *src;
+ struct sr_probe *probe;
+ 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;
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+ 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", "")))
+ return NULL;
+
+ sdi->conn = serial;
+ sdi->priv = NULL;
+ sdi->driver = di;
+ if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "CH1")))
+ return NULL;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
return devices;
}
return std_dev_clear(di, NULL);
}
-static int dev_open(struct sr_dev_inst *sdi)
-{
- (void)sdi;
-
- /* TODO: get handle from sdi->conn and open it. */
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
- (void)sdi;
-
- /* TODO: get handle from sdi->conn and close it. */
-
- sdi->status = SR_ST_INACTIVE;
-
- return SR_OK;
-}
-
static int cleanup(void)
{
dev_clear();
- /* TODO: free other driver resources, if any. */
-
return SR_OK;
}
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_probe_group *probe_group)
-{
- int ret;
-
- (void)sdi;
- (void)data;
- (void)probe_group;
-
- ret = SR_OK;
- switch (key) {
- /* TODO */
- default:
- return SR_ERR_NA;
- }
-
- return ret;
-}
-
static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
const struct sr_probe_group *probe_group)
{
int ret;
+ double dblval;
- (void)data;
(void)probe_group;
if (sdi->status != SR_ST_ACTIVE)
ret = SR_OK;
switch (key) {
- /* TODO */
+ 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;
}
int ret;
(void)sdi;
- (void)data;
(void)probe_group;
ret = SR_OK;
switch (key) {
- /* TODO */
+ 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,
+static int dev_acquisition_start_dummy(const struct sr_dev_inst *sdi,
void *cb_data)
{
- (void)sdi;
(void)cb_data;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
-
return SR_OK;
}
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop_dummy(struct sr_dev_inst *sdi, void *cb_data)
{
(void)cb_data;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: stop acquisition. */
-
return SR_OK;
}
.scan = scan,
.dev_list = dev_list,
.dev_clear = dev_clear,
- .config_get = config_get,
+ .config_get = NULL,
.config_set = config_set,
.config_list = config_list,
- .dev_open = dev_open,
- .dev_close = dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
+ .dev_open = std_serial_dev_open,
+ .dev_close = std_serial_dev_close,
+ .dev_acquisition_start = dev_acquisition_start_dummy,
+ .dev_acquisition_stop = dev_acquisition_stop_dummy,
.priv = NULL,
};
* 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"
-SR_PRIV int conrad_digi_35_cpu_receive_data(int fd, int revents, void *cb_data)
+#include <errno.h>
+#include <string.h>
+
+/** Send command with parameter.
+ *
+ * @param[in] cmd Command
+ * @param[in] param Parameter (0..999, depending on command).
+ *
+ * @retval SR_OK Success
+ * @retval SR_ERR_ARG Invalid argument.
+ * @retval SR_ERR Error.
+ */
+SR_PRIV int send_msg1(const struct sr_dev_inst *sdi, char cmd, int param)
{
- const struct sr_dev_inst *sdi;
- struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
+ char buf[5];
- (void)fd;
+ if (!sdi || !(serial = sdi->conn))
+ return SR_ERR_ARG;
- if (!(sdi = cb_data))
- return TRUE;
+ snprintf(buf, sizeof(buf), "%c%03d", cmd, param);
+ buf[4] = '\r';
- if (!(devc = sdi->priv))
- return TRUE;
+ sr_spew("send_msg1(): %c%c%c%c\\r", buf[0], buf[1], buf[2], buf[3]);
- if (revents == G_IO_IN) {
- /* TODO */
+ if (serial_write(serial, buf, sizeof(buf)) == -1) {
+ sr_err("Write error for cmd=%c: %d %s", cmd, errno, strerror(errno));
+ return SR_ERR;
}
+ g_usleep(50000); /* Wait 50 ms to ensure that the device does not swallow following commands. */
- return TRUE;
+ return SR_OK;
}
projects / libsigrok.git / commitdiff