X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fvictor-dmm%2Fapi.c;h=d5d7e4a7d079b0386a13dd738d7f71fa52198f12;hb=55fb76b34826a287240bebeeda688e4c465b4751;hp=aefbe8b2da24ed1f0b85828c7c46cb47cf27de2b;hpb=cf9e86bc74ae5bd916b8d1abf27205c36585119f;p=libsigrok.git

diff --git a/src/hardware/victor-dmm/api.c b/src/hardware/victor-dmm/api.c
index aefbe8b2..d5d7e4a7 100644
--- a/src/hardware/victor-dmm/api.c
+++ b/src/hardware/victor-dmm/api.c
@@ -32,17 +32,14 @@
 #define VICTOR_INTERFACE 0
 #define VICTOR_ENDPOINT (LIBUSB_ENDPOINT_IN | 1)
 
-SR_PRIV struct sr_dev_driver victor_dmm_driver_info;
-static int dev_acquisition_stop(struct sr_dev_inst *sdi);
+static const uint32_t scanopts[] = {
+	SR_CONF_CONN,
+};
 
 static const uint32_t drvopts[] = {
 	SR_CONF_MULTIMETER,
 };
 
-static const uint32_t scanopts[] = {
-	SR_CONF_CONN,
-};
-
 static const uint32_t devopts[] = {
 	SR_CONF_CONTINUOUS,
 	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
@@ -50,11 +47,6 @@ static const uint32_t devopts[] = {
 	SR_CONF_CONN | SR_CONF_GET,
 };
 
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
-	return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
 	struct drv_context *drvc;
@@ -83,7 +75,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 		sdi = g_malloc0(sizeof(struct sr_dev_inst));
 		sdi->status = SR_ST_INACTIVE;
 		sdi->vendor = g_strdup(VICTOR_VENDOR);
-		sdi->driver = di;
 		sdi->connection_id = g_strdup(connection_id);
 		devc = g_malloc0(sizeof(struct dev_context));
 		sr_sw_limits_init(&devc->limits);
@@ -94,12 +85,11 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 				libusb_get_device_address(devlist[i]), NULL);
 		sdi->inst_type = SR_INST_USB;
 
-		drvc->instances = g_slist_append(drvc->instances, sdi);
 		devices = g_slist_append(devices, sdi);
 	}
 	libusb_free_device_list(devlist, 1);
 
-	return devices;
+	return std_scan_complete(di, devices);
 }
 
 static int dev_open(struct sr_dev_inst *sdi)
@@ -107,28 +97,13 @@ static int dev_open(struct sr_dev_inst *sdi)
 	struct sr_dev_driver *di = sdi->driver;
 	struct drv_context *drvc = di->context;
 	struct sr_usb_dev_inst *usb;
-	libusb_device **devlist;
-	int ret, i;
-	char connection_id[64];
+	int ret;
 
 	usb = sdi->conn;
 
-	libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
-	for (i = 0; devlist[i]; i++) {
-		usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
-		if (strcmp(sdi->connection_id, connection_id))
-			continue;
-		if ((ret = libusb_open(devlist[i], &usb->devhdl))) {
-			sr_err("Failed to open device: %s.", libusb_error_name(ret));
-			return SR_ERR;
-		}
-		break;
-	}
-	libusb_free_device_list(devlist, 1);
-	if (!devlist[i]) {
-		sr_err("Device not found.");
-		return SR_ERR;
-	}
+	ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
+	if (ret != SR_OK)
+		return ret;
 
 	/* The device reports as HID class, so the kernel would have
 	 * claimed it. */
@@ -145,7 +120,6 @@ static int dev_open(struct sr_dev_inst *sdi)
 		sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
 		return SR_ERR;
 	}
-	sdi->status = SR_ST_ACTIVE;
 
 	return SR_OK;
 }
@@ -157,13 +131,11 @@ static int dev_close(struct sr_dev_inst *sdi)
 	usb = sdi->conn;
 
 	if (!usb->devhdl)
-		/*  Nothing to do. */
-		return SR_OK;
+		return SR_ERR_BUG;
 
 	libusb_release_interface(usb->devhdl, VICTOR_INTERFACE);
 	libusb_close(usb->devhdl);
 	usb->devhdl = NULL;
-	sdi->status = SR_ST_INACTIVE;
 
 	return SR_OK;
 }
@@ -202,9 +174,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 
 	(void)cg;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
 	devc = sdi->priv;
 
 	return sr_sw_limits_config_set(&devc->limits, key, data);
@@ -213,27 +182,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 		const struct sr_channel_group *cg)
 {
-	(void)sdi;
-	(void)cg;
-
-	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:
-		if (!sdi)
-			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-					drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
-		else
-			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-					devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
+	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
 }
 
 static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
@@ -246,13 +195,13 @@ static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
 	devc = sdi->priv;
 	if (transfer->status == LIBUSB_TRANSFER_NO_DEVICE) {
 		/* USB device was unplugged. */
-		dev_acquisition_stop(sdi);
+		sr_dev_acquisition_stop(sdi);
 	} else if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
 		sr_dbg("Got %d-byte packet.", transfer->actual_length);
 		if (transfer->actual_length == DMM_DATA_SIZE) {
 			victor_dmm_receive_data(sdi, transfer->buffer);
 			if (sr_sw_limits_check(&devc->limits))
-				dev_acquisition_stop(sdi);
+				sr_dev_acquisition_stop(sdi);
 		}
 	}
 	/* Anything else is either an error or a timeout, which is fine:
@@ -265,7 +214,7 @@ static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
 			       libusb_error_name(ret));
 			g_free(transfer->buffer);
 			libusb_free_transfer(transfer);
-			dev_acquisition_stop(sdi);
+			sr_dev_acquisition_stop(sdi);
 		}
 	} else {
 		/* This was the last transfer we're going to receive, so
@@ -292,12 +241,12 @@ static int handle_events(int fd, int revents, void *cb_data)
 	drvc = di->context;
 
 	if (sr_sw_limits_check(&devc->limits))
-		dev_acquisition_stop(sdi);
+		sr_dev_acquisition_stop(sdi);
 
 	if (sdi->status == SR_ST_STOPPING) {
 		usb_source_remove(sdi->session, drvc->sr_ctx);
 		dev_close(sdi);
-		std_session_send_df_end(sdi, LOG_PREFIX);
+		std_session_send_df_end(sdi);
 	}
 
 	memset(&tv, 0, sizeof(struct timeval));
@@ -316,12 +265,9 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	int ret;
 	unsigned char *buf;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
 	usb = sdi->conn;
 
-	std_session_send_df_header(sdi, LOG_PREFIX);
+	std_session_send_df_header(sdi);
 
 	usb_source_add(sdi->session, drvc->sr_ctx, 100,
 			handle_events, (void *)sdi);
@@ -347,25 +293,20 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
-	if (sdi->status != SR_ST_ACTIVE) {
-		sr_err("Device not active, can't stop acquisition.");
-		return SR_ERR;
-	}
-
 	sdi->status = SR_ST_STOPPING;
 
 	return SR_OK;
 }
 
-SR_PRIV struct sr_dev_driver victor_dmm_driver_info = {
+static struct sr_dev_driver victor_dmm_driver_info = {
 	.name = "victor-dmm",
 	.longname = "Victor DMMs",
 	.api_version = 1,
-	.init = init,
+	.init = std_init,
 	.cleanup = std_cleanup,
 	.scan = scan,
 	.dev_list = std_dev_list,
-	.dev_clear = NULL,
+	.dev_clear = std_dev_clear,
 	.config_get = config_get,
 	.config_set = config_set,
 	.config_list = config_list,
@@ -375,3 +316,4 @@ SR_PRIV struct sr_dev_driver victor_dmm_driver_info = {
 	.dev_acquisition_stop = dev_acquisition_stop,
 	.context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(victor_dmm_driver_info);