]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/cem-dt-885x/api.c
Drop unneeded std_session_send_df_header() comments.
[libsigrok.git] / src / hardware / cem-dt-885x / api.c
index 9aed547362c59bd5933c45e56cff2e24a7fb43f8..ff2edb1292c07e2e862f0b2b5f5e29c29e4fb754 100644 (file)
  * 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 int32_t hwopts[] = {
+static const uint32_t scanopts[] = {
        SR_CONF_CONN,
 };
 
-static const int32_t hwcaps[] = {
+static const uint32_t drvopts[] = {
        SR_CONF_SOUNDLEVELMETER,
-       SR_CONF_LIMIT_SAMPLES,
-       SR_CONF_CONTINUOUS,
-       SR_CONF_SPL_WEIGHT_FREQ,
-       SR_CONF_SPL_WEIGHT_TIME,
-       SR_CONF_SPL_MEASUREMENT_RANGE,
-       SR_CONF_DATALOG,
-       SR_CONF_HOLD_MAX,
-       SR_CONF_HOLD_MIN,
-       SR_CONF_POWER_OFF,
-       SR_CONF_DATA_SOURCE,
+};
+
+static const uint32_t devopts[] = {
+       SR_CONF_CONTINUOUS | SR_CONF_SET,
+       SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+       SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+       SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+       SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+       SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET,
+       SR_CONF_HOLD_MAX | SR_CONF_GET | SR_CONF_SET,
+       SR_CONF_HOLD_MIN | SR_CONF_GET | SR_CONF_SET,
+       SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
+       SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 };
 
 static const char *weight_freq[] = {
@@ -63,23 +68,21 @@ static const char *data_sources[] = {
        "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;
@@ -94,41 +97,32 @@ static GSList *scan(GSList *options)
        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 | SERIAL_NONBLOCK) != SR_OK)
+       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) {
-               if (serial_read(serial, &c, 1) == 1 && c == 0xa5) {
+       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;
@@ -142,9 +136,9 @@ static GSList *scan(GSList *options)
        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)
@@ -160,12 +154,12 @@ 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);
 }
 
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
+static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
        struct dev_context *devc;
@@ -237,7 +231,7 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
        return ret;
 }
 
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
+static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
        struct dev_context *devc;
@@ -327,7 +321,7 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
        return ret;
 }
 
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
        GVariant *tuple, *range[2];
@@ -335,40 +329,50 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
        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_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;
-       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;
@@ -392,7 +396,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        devc->num_samples = 0;
        devc->buf_len = 0;
 
-       /* Send header packet to the session bus. */
        std_session_send_df_header(cb_data, LOG_PREFIX);
 
        /* Poll every 100ms, or whenever some data comes in. */
@@ -428,5 +431,5 @@ SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
        .dev_close = std_serial_dev_close,
        .dev_acquisition_start = dev_acquisition_start,
        .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .context = NULL,
 };