* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include <string.h>
#include "protocol.h"
#define SERIALCOMM "9600/8n1"
+
/* 23ms is the longest interval between tokens. */
-#define MAX_SCAN_TIME 25 * 1000
+#define MAX_SCAN_TIME_US (25 * 1000)
static const uint32_t scanopts[] = {
SR_CONF_CONN,
};
-static const uint32_t devopts[] = {
+static const uint32_t drvopts[] = {
SR_CONF_SOUNDLEVELMETER,
+};
+
+static const uint32_t devopts[] = {
SR_CONF_CONTINUOUS,
SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
"Live",
"Memory",
};
-SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
-static struct sr_dev_driver *di = &cem_dt_885x_driver_info;
-
-static int init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_config *src;
struct sr_serial_dev_inst *serial;
struct sr_dev_inst *sdi;
- struct sr_channel *ch;
GSList *l, *devices;
gint64 start;
const char *conn;
if (!conn)
return NULL;
- if (!(serial = sr_serial_dev_inst_new(conn, SERIALCOMM)))
- return NULL;
+ serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
return NULL;
devices = NULL;
- drvc = di->priv;
+ drvc = di->context;
start = g_get_monotonic_time();
- while (g_get_monotonic_time() - start < MAX_SCAN_TIME) {
+ while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) {
if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
/* Found one. */
- if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "CEM",
- "DT-885x", NULL)))
- return NULL;
-
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_dbg("Device context malloc failed.");
- return NULL;
- }
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->status = SR_ST_INACTIVE;
+ sdi->vendor = g_strdup("CEM");
+ sdi->model = g_strdup("DT-885x");
+ devc = g_malloc0(sizeof(struct dev_context));
devc->cur_mqflags = 0;
devc->recording = -1;
devc->cur_meas_range = 0;
devc->cur_data_source = DATA_SOURCE_LIVE;
devc->enable_data_source_memory = FALSE;
-
- if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM)))
- return NULL;
-
+ sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
sdi->inst_type = SR_INST_SERIAL;
sdi->priv = devc;
sdi->driver = di;
- if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "SPL")))
- return NULL;
- sdi->channels = g_slist_append(sdi->channels, ch);
+ sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
break;
return devices;
}
-static GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
- struct sr_serial_dev_inst *serial;
-
- serial = sdi->conn;
- if (serial_open(serial, SERIAL_RDWR) != SR_OK)
- return SR_ERR;
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
-}
-
-static int cleanup(void)
-{
- return std_dev_clear(di, NULL);
-}
-
static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
+ devc = sdi->priv;
ret = SR_OK;
switch (key) {
unsigned int i;
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_UINT32,
- scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
- break;
- case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
- break;
- case SR_CONF_SPL_WEIGHT_FREQ:
- *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
- break;
- case SR_CONF_SPL_WEIGHT_TIME:
- *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
- break;
- case SR_CONF_SPL_MEASUREMENT_RANGE:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
- for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
- range[0] = g_variant_new_uint64(meas_ranges[i][0]);
- range[1] = g_variant_new_uint64(meas_ranges[i][1]);
- tuple = g_variant_new_tuple(range, 2);
- g_variant_builder_add_value(&gvb, tuple);
+ if (!sdi) {
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+ } else {
+ switch (key) {
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
+ break;
+ case SR_CONF_SPL_WEIGHT_FREQ:
+ *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
+ break;
+ case SR_CONF_SPL_WEIGHT_TIME:
+ *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
+ break;
+ case SR_CONF_SPL_MEASUREMENT_RANGE:
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
+ range[0] = g_variant_new_uint64(meas_ranges[i][0]);
+ range[1] = g_variant_new_uint64(meas_ranges[i][1]);
+ tuple = g_variant_new_tuple(range, 2);
+ g_variant_builder_add_value(&gvb, tuple);
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ case SR_CONF_DATA_SOURCE:
+ *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
+ break;
+ default:
+ return SR_ERR_NA;
}
- *data = g_variant_builder_end(&gvb);
- break;
- case SR_CONF_DATA_SOURCE:
- *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
- break;
- default:
- return SR_ERR_NA;
}
return ret;
}
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- devc->cb_data = cb_data;
+ devc = sdi->priv;
devc->state = ST_INIT;
devc->num_samples = 0;
devc->buf_len = 0;
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
+ std_session_send_df_header(sdi, LOG_PREFIX);
/* Poll every 100ms, or whenever some data comes in. */
serial = sdi->conn;
return SR_OK;
}
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
+ return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
sdi->conn, LOG_PREFIX);
}
-SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
+static struct sr_dev_driver cem_dt_885x_driver_info = {
.name = "cem-dt-885x",
.longname = "CEM DT-885x",
.api_version = 1,
- .init = init,
- .cleanup = cleanup,
+ .init = std_init,
+ .cleanup = std_cleanup,
.scan = scan,
- .dev_list = dev_list,
+ .dev_list = std_dev_list,
.dev_clear = NULL,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
- .dev_open = dev_open,
+ .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,
+ .context = NULL,
};
+SR_REGISTER_DEV_DRIVER(cem_dt_885x_driver_info);
projects / libsigrok.git / blobdiff