* 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,
"Live",
"Memory",
};
-SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
-static struct sr_dev_driver *di = &cem_dt_885x_driver_info;
+SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
-static int init(struct sr_context *sr_ctx)
+static int init(struct sr_dev_driver *di, 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. */
- sdi = sr_dev_inst_new();
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->status = SR_ST_INACTIVE;
sdi->vendor = g_strdup("CEM");
sdi->model = g_strdup("DT-885x");
-
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_dbg("Device context malloc failed.");
- return NULL;
- }
+ 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)
+static GSList *dev_list(const struct sr_dev_driver *di)
{
- return ((struct drv_context *)(di->priv))->instances;
+ return ((struct drv_context *)(di->context))->instances;
}
static int dev_open(struct sr_dev_inst *sdi)
return SR_OK;
}
-static int cleanup(void)
+static int cleanup(const struct sr_dev_driver *di)
{
return std_dev_clear(di, NULL);
}
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;
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);
}
.dev_close = std_serial_dev_close,
.dev_acquisition_start = dev_acquisition_start,
.dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
+ .context = NULL,
};