]> sigrok.org Git - libsigrok.git/blobdiff - hardware/tondaj-sl-814/api.c
Shorten/simplify hw_dev_list() implementations.
[libsigrok.git] / hardware / tondaj-sl-814 / api.c
index 8e79a81b049ab792b9e01af5ba302419a4e34b35..36ec5c2635d9dba3110e7c03d1dca82969710066 100644 (file)
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <fcntl.h>
 #include <glib.h>
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 #include "protocol.h"
 
+#define SERIALCOMM "9600/8e1"
+
+static const int hwopts[] = {
+       SR_CONF_CONN,
+       SR_CONF_SERIALCOMM,
+       0,
+};
+
+static const int hwcaps[] = {
+       SR_CONF_SOUNDLEVELMETER,
+       SR_CONF_LIMIT_SAMPLES,
+       SR_CONF_CONTINUOUS,
+       0,
+};
+
 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
 static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;
 
@@ -42,9 +58,7 @@ static int clear_instances(void)
                        continue;
                if (!(devc = sdi->priv))
                        continue;
-
-               /* TODO */
-
+               sr_serial_dev_inst_free(devc->serial);
                sr_dev_inst_free(sdi);
        }
 
@@ -54,57 +68,109 @@ static int clear_instances(void)
        return SR_OK;
 }
 
-static int hw_init(void)
+static int hw_init(struct sr_context *sr_ctx)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
-       }
-
-       /* TODO */
-
-       di->priv = drvc;
-
-       return SR_OK;
+       return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
 {
        struct drv_context *drvc;
-       GSList *devices;
-
-       (void)options;
+       struct dev_context *devc;
+       struct sr_dev_inst *sdi;
+       struct sr_config *src;
+       struct sr_probe *probe;
+       GSList *devices, *l;
+       const char *conn, *serialcomm;
 
-       devices = NULL;
        drvc = di->priv;
        drvc->instances = NULL;
 
-       /* TODO */
+       devices = NULL;
+
+       conn = serialcomm = NULL;
+       for (l = options; l; l = l->next) {
+               if (!(src = l->data)) {
+                       sr_err("Invalid option data, skipping.");
+                       continue;
+               }
+               switch (src->key) {
+               case SR_CONF_CONN:
+                       conn = src->value;
+                       break;
+               case SR_CONF_SERIALCOMM:
+                       serialcomm = src->value;
+                       break;
+               default:
+                       sr_err("Unknown option %d, skipping.", src->key);
+                       break;
+               }
+       }
+       if (!conn)
+               return NULL;
+       if (!serialcomm)
+               serialcomm = SERIALCOMM;
+
+       if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
+                                   "SL-814", NULL))) {
+               sr_err("Failed to create device instance.");
+               return NULL;
+       }
+
+       if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+               sr_err("Device context malloc failed.");
+               return NULL;
+       }
+
+       if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
+               return NULL;
+
+       if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+               return NULL;
+
+       sdi->priv = devc;
+       sdi->driver = di;
+       probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
+       if (!probe) {
+               sr_err("Failed to create probe.");
+               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;
 }
 
 static GSList *hw_dev_list(void)
 {
-       struct drv_context *drvc;
-
-       drvc = di->priv;
-
-       return drvc->instances;
+       return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int hw_dev_open(struct sr_dev_inst *sdi)
 {
-       /* TODO */
+       struct dev_context *devc;
+
+       devc = sdi->priv;
+
+       if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+               return SR_ERR;
+
+       sdi->status = SR_ST_ACTIVE;
 
        return SR_OK;
 }
 
 static int hw_dev_close(struct sr_dev_inst *sdi)
 {
-       /* TODO */
+       struct dev_context *devc;
+
+       devc = sdi->priv;
+
+       if (devc->serial && devc->serial->fd != -1) {
+               serial_close(devc->serial);
+               sdi->status = SR_ST_INACTIVE;
+       }
 
        return SR_OK;
 }
@@ -113,66 +179,109 @@ static int hw_cleanup(void)
 {
        clear_instances();
 
-       /* TODO */
-
        return SR_OK;
 }
 
-static int hw_info_get(int info_id, const void **data,
-                      const struct sr_dev_inst *sdi)
+static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
 {
-       switch (info_id) {
-       /* TODO */
+       struct dev_context *devc;
+
+       if (sdi->status != SR_ST_ACTIVE) {
+               sr_err("Device inactive, can't set config options.");
+               return SR_ERR;
+       }
+
+       devc = sdi->priv;
+
+       switch (id) {
+       case SR_CONF_LIMIT_SAMPLES:
+               devc->limit_samples = *(const uint64_t *)value;
+               sr_dbg("Setting sample limit to %" PRIu64 ".",
+                      devc->limit_samples);
+               break;
        default:
-               sr_err("Unknown info_id: %d.", info_id);
+               sr_err("Unknown hardware capability: %d.", id);
                return SR_ERR_ARG;
        }
 
        return SR_OK;
 }
 
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
-                            const void *value)
+static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
 {
-       int ret;
 
-       if (sdi->status != SR_ST_ACTIVE) {
-               sr_err("Device inactive, can't set config options.");
-               return SR_ERR;
-       }
+       (void)sdi;
 
-       ret = SR_OK;
-       switch (hwcap) {
-       /* TODO */
+       switch (key) {
+       case SR_CONF_SCAN_OPTIONS:
+               *data = hwopts;
+               break;
+       case SR_CONF_DEVICE_OPTIONS:
+               *data = hwcaps;
+               break;
        default:
-               sr_err("Unknown hardware capability: %d.", hwcap);
-               ret = SR_ERR_ARG;
+               return SR_ERR_ARG;
        }
 
-       return ret;
+       return SR_OK;
 }
 
 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                                    void *cb_data)
 {
-       /* TODO */
+       struct sr_datafeed_packet packet;
+       struct sr_datafeed_header header;
+       struct dev_context *devc;
+
+       devc = sdi->priv;
+       devc->cb_data = cb_data;
+
+       /* Send header packet to the session bus. */
+       sr_dbg("Sending SR_DF_HEADER.");
+       packet.type = SR_DF_HEADER;
+       packet.payload = (uint8_t *)&header;
+       header.feed_version = 1;
+       gettimeofday(&header.starttime, NULL);
+       sr_session_send(devc->cb_data, &packet);
+
+       /* Poll every 500ms, or whenever some data comes in. */
+       sr_source_add(devc->serial->fd, G_IO_IN, 500,
+                     tondaj_sl_814_receive_data, (void *)sdi);
 
        return SR_OK;
 }
 
-static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
-                                  void *cb_data)
+static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 {
-       (void)cb_data;
+       int ret, final_ret;
+       struct sr_datafeed_packet packet;
+       struct dev_context *devc;
+
+       final_ret = SR_OK;
 
        if (sdi->status != SR_ST_ACTIVE) {
                sr_err("Device inactive, can't stop acquisition.");
                return SR_ERR;
        }
 
-       /* TODO */
+       devc = sdi->priv;
 
-       return SR_OK;
+       if ((ret = sr_source_remove(devc->serial->fd)) < 0) {
+               sr_err("Error removing source: %d.", ret);
+               final_ret = SR_ERR;
+       }
+       
+       if ((ret = hw_dev_close(sdi)) < 0) {
+               sr_err("Error closing device: %d.", ret);
+               final_ret = SR_ERR;
+       }
+
+       /* Send end packet to the session bus. */
+       sr_dbg("Sending SR_DF_END.");
+       packet.type = SR_DF_END;
+       sr_session_send(cb_data, &packet);
+
+       return final_ret;
 }
 
 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
@@ -184,10 +293,10 @@ SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
        .scan = hw_scan,
        .dev_list = hw_dev_list,
        .dev_clear = clear_instances,
+       .config_set = config_set,
+       .config_list = config_list,
        .dev_open = hw_dev_open,
        .dev_close = hw_dev_close,
-       .info_get = hw_info_get,
-       .dev_config_set = hw_dev_config_set,
        .dev_acquisition_start = hw_dev_acquisition_start,
        .dev_acquisition_stop = hw_dev_acquisition_stop,
        .priv = NULL,