Add and use std_session_send_df_header().

[libsigrok.git] / hardware / lascar-el-usb / api.c

diff --git a/hardware/lascar-el-usb/api.c b/hardware/lascar-el-usb/api.c
index e987570579838a318ad3b3b507e7a7147c6bdd1a..4cef9f9698df9c0af2611166b457144ef77500a7 100644 (file)
--- a/hardware/lascar-el-usb/api.c
+++ b/hardware/lascar-el-usb/api.c
@@ -29,14 +29,14 @@ static struct sr_dev_driver *di = &lascar_el_usb_driver_info;
 static int hw_dev_close(struct sr_dev_inst *sdi);
 
 static const int hwopts[] = {
-       SR_HWOPT_CONN,
+       SR_CONF_CONN,
        0,
 };
 
 static const int hwcaps[] = {
-       SR_HWCAP_THERMOMETER,
-       SR_HWCAP_HYGROMETER,
-       SR_HWCAP_LIMIT_SAMPLES,
+       SR_CONF_THERMOMETER,
+       SR_CONF_HYGROMETER,
+       SR_CONF_LIMIT_SAMPLES,
        0
 };
 
@@ -70,17 +70,7 @@ static int clear_instances(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;
-       }
-
-       drvc->sr_ctx = sr_ctx;
-       di->priv = drvc;
-
-       return SR_OK;
+       return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -89,26 +79,23 @@ static GSList *hw_scan(GSList *options)
        struct dev_context *devc;
        struct sr_dev_inst *sdi;
        struct sr_usb_dev_inst *usb;
-       struct sr_hwopt *opt;
+       struct sr_config *src;
        GSList *usb_devices, *devices, *l;
        const char *conn;
 
        (void)options;
 
-       if (!(drvc = di->priv)) {
-               sr_err("Driver was not initialized.");
-               return NULL;
-       }
+       drvc = di->priv;
 
        /* USB scan is always authoritative. */
        clear_instances();
 
        conn = NULL;
        for (l = options; l; l = l->next) {
-               opt = l->data;
-               switch (opt->hwopt) {
-               case SR_HWOPT_CONN:
-                       conn = opt->value;
+               src = l->data;
+               switch (src->key) {
+               case SR_CONF_CONN:
+                       conn = src->value;
                        break;
                }
        }
@@ -140,14 +127,7 @@ static GSList *hw_scan(GSList *options)
 
 static GSList *hw_dev_list(void)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = di->priv)) {
-               sr_err("Driver was not initialized.");
-               return NULL;
-       }
-
-       return drvc->instances;
+       return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int hw_dev_open(struct sr_dev_inst *sdi)
@@ -213,27 +193,7 @@ static int hw_cleanup(void)
        return SR_OK;
 }
 
-static int hw_info_get(int info_id, const void **data,
-               const struct sr_dev_inst *sdi)
-{
-       (void)sdi;
-
-       switch (info_id) {
-       case SR_DI_HWOPTS:
-               *data = hwopts;
-               break;
-       case SR_DI_HWCAPS:
-               *data = hwcaps;
-               break;
-       default:
-               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_set(int id, const void *value, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        int ret;
@@ -249,20 +209,39 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
 
        devc = sdi->priv;
        ret = SR_OK;
-       switch (hwcap) {
-       case SR_HWCAP_LIMIT_SAMPLES:
+       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 hardware capability: %d.", hwcap);
+               sr_err("Unknown hardware capability: %d.", id);
                ret = SR_ERR_ARG;
        }
 
        return ret;
 }
 
+static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
+{
+
+       (void)sdi;
+
+       switch (key) {
+       case SR_CONF_SCAN_OPTIONS:
+               *data = hwopts;
+               break;
+       case SR_CONF_DEVICE_OPTIONS:
+               *data = hwcaps;
+               break;
+       default:
+               return SR_ERR_ARG;
+       }
+
+       return SR_OK;
+}
+
 static void mark_xfer(struct libusb_transfer *xfer)
 {
 
@@ -334,8 +313,6 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                void *cb_data)
 {
        struct sr_datafeed_packet packet;
-       struct sr_datafeed_header header;
-       struct sr_datafeed_meta_analog meta;
        struct dev_context *devc;
        struct drv_context *drvc = di->priv;
        struct libusb_transfer *xfer_in, *xfer_out;
@@ -358,11 +335,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        sr_dbg("Starting log retrieval.");
 
        /* 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;
-       sr_session_send(devc->cb_data, &packet);
+       std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
 
        if (devc->logged_samples == 0) {
                /* This ensures the frontend knows the session is done. */
@@ -429,12 +402,6 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        devc->log_size = xfer_in->buffer[1] + (xfer_in->buffer[2] << 8);
        libusb_free_transfer(xfer_out);
 
-       /* Send metadata about the SR_DF_ANALOG packets to come. */
-       packet.type = SR_DF_META_ANALOG;
-       packet.payload = &meta;
-       meta.num_probes = 1;
-       sr_session_send(devc->cb_data, &packet);
-
        pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
        for (i = 0; pfd[i]; i++) {
                /* Handle USB events every 100ms, for decent latency. */
@@ -487,10 +454,10 @@ SR_PRIV struct sr_dev_driver lascar_el_usb_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,