]> sigrok.org Git - libsigrok.git/blobdiff - hardware/tondaj-sl-814/api.c
Replace 'probe' with 'channel' in most places.
[libsigrok.git] / hardware / tondaj-sl-814 / api.c
index 8e79a81b049ab792b9e01af5ba302419a4e34b35..abe88ba4317629d74a25073b0ce5b727e6e07b88 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
  *
  * 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 int32_t hwopts[] = {
+       SR_CONF_CONN,
+       SR_CONF_SERIALCOMM,
+};
+
+static const int32_t hwcaps[] = {
+       SR_CONF_SOUNDLEVELMETER,
+       SR_CONF_LIMIT_SAMPLES,
+       SR_CONF_CONTINUOUS,
+};
+
 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
 static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;
 
-/* Properly close and free all devices. */
-static int clear_instances(void)
+static int init(struct sr_context *sr_ctx)
+{
+       return std_init(sr_ctx, di, LOG_PREFIX);
+}
+
+static GSList *scan(GSList *options)
 {
-       struct sr_dev_inst *sdi;
        struct drv_context *drvc;
        struct dev_context *devc;
-       GSList *l;
-
-       if (!(drvc = di->priv))
-               return SR_OK;
-
-       for (l = drvc->instances; l; l = l->next) {
-               if (!(sdi = l->data))
-                       continue;
-               if (!(devc = sdi->priv))
-                       continue;
-
-               /* TODO */
-
-               sr_dev_inst_free(sdi);
-       }
+       struct sr_dev_inst *sdi;
+       struct sr_config *src;
+       struct sr_channel *ch;
+       GSList *devices, *l;
+       const char *conn, *serialcomm;
+       struct sr_serial_dev_inst *serial;
 
-       g_slist_free(drvc->instances);
+       drvc = di->priv;
        drvc->instances = NULL;
 
-       return SR_OK;
-}
-
-static int hw_init(void)
-{
-       struct drv_context *drvc;
+       devices = NULL;
 
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
+       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 = g_variant_get_string(src->data, NULL);
+                       break;
+               case SR_CONF_SERIALCOMM:
+                       serialcomm = g_variant_get_string(src->data, NULL);
+                       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;
        }
 
-       /* TODO */
-
-       di->priv = drvc;
+       if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+               sr_err("Device context malloc failed.");
+               return NULL;
+       }
 
-       return SR_OK;
-}
+       if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
+               return NULL;
 
-static GSList *hw_scan(GSList *options)
-{
-       struct drv_context *drvc;
-       GSList *devices;
+       if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+               return NULL;
 
-       (void)options;
+       sdi->inst_type = SR_INST_SERIAL;
+       sdi->conn = serial;
 
-       devices = NULL;
-       drvc = di->priv;
-       drvc->instances = NULL;
-
-       /* TODO */
+       sdi->priv = devc;
+       sdi->driver = di;
+       ch = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
+       if (!ch) {
+               sr_err("Failed to create channel.");
+               return NULL;
+       }
+       sdi->channels = g_slist_append(sdi->channels, ch);
+       drvc->instances = g_slist_append(drvc->instances, sdi);
+       devices = g_slist_append(devices, sdi);
 
        return devices;
 }
 
-static GSList *hw_dev_list(void)
+static GSList *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)
+static int cleanup(void)
 {
-       /* TODO */
-
-       return SR_OK;
+       return std_dev_clear(di, NULL);
 }
 
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+               const struct sr_channel_group *cg)
 {
-       /* TODO */
+       struct dev_context *devc;
 
-       return SR_OK;
-}
+       (void)cg;
 
-static int hw_cleanup(void)
-{
-       clear_instances();
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
 
-       /* TODO */
+       devc = sdi->priv;
 
-       return SR_OK;
-}
-
-static int hw_info_get(int info_id, const void **data,
-                      const struct sr_dev_inst *sdi)
-{
-       switch (info_id) {
-       /* TODO */
+       switch (id) {
+       case SR_CONF_LIMIT_SAMPLES:
+               devc->limit_samples = g_variant_get_uint64(data);
+               sr_dbg("Setting sample limit to %" PRIu64 ".",
+                      devc->limit_samples);
+               break;
        default:
-               sr_err("Unknown info_id: %d.", info_id);
-               return SR_ERR_ARG;
+               return SR_ERR_NA;
        }
 
        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, GVariant **data, const struct sr_dev_inst *sdi,
+               const struct sr_channel_group *cg)
 {
-       int ret;
-
-       if (sdi->status != SR_ST_ACTIVE) {
-               sr_err("Device inactive, can't set config options.");
-               return SR_ERR;
-       }
-
-       ret = SR_OK;
-       switch (hwcap) {
-       /* TODO */
+       (void)sdi;
+       (void)cg;
+
+       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;
        default:
-               sr_err("Unknown hardware capability: %d.", hwcap);
-               ret = SR_ERR_ARG;
+               return SR_ERR_NA;
        }
 
-       return ret;
+       return SR_OK;
 }
 
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
+static int dev_acquisition_start(const struct sr_dev_inst *sdi,
                                    void *cb_data)
 {
-       /* TODO */
+       struct dev_context *devc;
+       struct sr_serial_dev_inst *serial;
 
-       return SR_OK;
-}
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
 
-static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
-                                  void *cb_data)
-{
-       (void)cb_data;
+       devc = sdi->priv;
+       devc->cb_data = cb_data;
 
-       if (sdi->status != SR_ST_ACTIVE) {
-               sr_err("Device inactive, can't stop acquisition.");
-               return SR_ERR;
-       }
+       /* Send header packet to the session bus. */
+       std_session_send_df_header(cb_data, LOG_PREFIX);
 
-       /* TODO */
+       /* Poll every 500ms, or whenever some data comes in. */
+       serial = sdi->conn;
+       serial_source_add(serial, G_IO_IN, 500,
+                     tondaj_sl_814_receive_data, (void *)sdi);
 
        return SR_OK;
 }
 
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+{
+       return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
+                       sdi->conn, LOG_PREFIX);
+}
+
 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
        .name = "tondaj-sl-814",
        .longname = "Tondaj SL-814",
        .api_version = 1,
-       .init = hw_init,
-       .cleanup = hw_cleanup,
-       .scan = hw_scan,
-       .dev_list = hw_dev_list,
-       .dev_clear = clear_instances,
-       .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,
+       .init = init,
+       .cleanup = cleanup,
+       .scan = scan,
+       .dev_list = dev_list,
+       .dev_clear = NULL,
+       .config_get = NULL,
+       .config_set = config_set,
+       .config_list = config_list,
+       .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,
 };