X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Ffx2lafw%2Ffx2lafw.c;h=e74312fb77b8a745d770bd007f7fafed4c7e03d6;hb=538ac9a91e5efb65e3c28d5a9af16c6fcfd63872;hp=44cc9aef802adc336f34db745a4da8e1c922638f;hpb=014359e3293ef0cdc61fbde4f63dc0a9da98179d;p=libsigrok.git

diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c
index 44cc9aef..e74312fb 100644
--- a/hardware/fx2lafw/fx2lafw.c
+++ b/hardware/fx2lafw/fx2lafw.c
@@ -23,7 +23,6 @@
 #include <string.h>
 #include <inttypes.h>
 #include <libusb.h>
-#include "config.h"
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 #include "fx2lafw.h"
@@ -195,13 +194,11 @@ static int fx2lafw_dev_open(struct sr_dev_inst *sdi)
 {
 	libusb_device **devlist;
 	struct libusb_device_descriptor des;
-	struct drv_context *drvc;
 	struct dev_context *devc;
 	struct version_info vi;
 	int ret, skip, i;
 	uint8_t revid;
 
-	drvc = fdi->priv;
 	devc = sdi->priv;
 
 	if (sdi->status == SR_ST_ACTIVE)
@@ -209,7 +206,7 @@ static int fx2lafw_dev_open(struct sr_dev_inst *sdi)
 		return SR_ERR;
 
 	skip = 0;
-	const int device_count = libusb_get_device_list(drvc->usb_context, &devlist);
+	const int device_count = libusb_get_device_list(NULL, &devlist);
 	if (device_count < 0) {
 		sr_err("fx2lafw: Failed to retrieve device list (%d)",
 			device_count);
@@ -409,10 +406,10 @@ static int hw_init(void)
 
 	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
 		sr_err("fx2lafw: driver context malloc failed.");
-		return SR_ERR;
+		return SR_ERR_MALLOC;
 	}
 
-	if (libusb_init(&drvc->usb_context) != 0) {
+	if (libusb_init(NULL) != 0) {
 		g_free(drvc);
 		sr_warn("fx2lafw: Failed to initialize libusb.");
 		return SR_ERR;
@@ -444,7 +441,7 @@ static GSList *hw_scan(GSList *options)
 
 	/* Find all fx2lafw compatible devices and upload firmware to them. */
 	devices = NULL;
-	libusb_get_device_list(drvc->usb_context, &devlist);
+	libusb_get_device_list(NULL, &devlist);
 	for (i = 0; devlist[i]; i++) {
 
 		if ((ret = libusb_get_device_descriptor(
@@ -511,6 +508,15 @@ static GSList *hw_scan(GSList *options)
 	return devices;
 }
 
+static GSList *hw_dev_list(void)
+{
+	struct drv_context *drvc;
+
+	drvc = fdi->priv;
+
+	return drvc->instances;
+}
+
 static int hw_dev_open(struct sr_dev_inst *sdi)
 {
 	struct dev_context *devc;
@@ -607,9 +613,7 @@ static int hw_cleanup(void)
 
 	ret = clear_instances();
 
-	if (drvc->usb_context)
-		libusb_exit(drvc->usb_context);
-	drvc->usb_context = NULL;
+	libusb_exit(NULL);
 
 	g_free(drvc);
 	fdi->priv = NULL;
@@ -681,7 +685,6 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
 
 static int receive_data(int fd, int revents, void *cb_data)
 {
-	struct drv_context *drvc;
 	struct timeval tv;
 
 	/* Avoid compiler warnings. */
@@ -689,9 +692,8 @@ static int receive_data(int fd, int revents, void *cb_data)
 	(void)revents;
 	(void)cb_data;
 
-	drvc = fdi->priv;
 	tv.tv_sec = tv.tv_usec = 0;
-	libusb_handle_events_timeout(drvc->usb_context, &tv);
+	libusb_handle_events_timeout(NULL, &tv);
 
 	return TRUE;
 }
@@ -710,11 +712,9 @@ static void abort_acquisition(struct dev_context *devc)
 
 static void finish_acquisition(struct dev_context *devc)
 {
-	struct drv_context *drvc;
 	struct sr_datafeed_packet packet;
 	int i;
 
-	drvc = fdi->priv;
 
 	/* Terminate session */
 	packet.type = SR_DF_END;
@@ -722,7 +722,7 @@ static void finish_acquisition(struct dev_context *devc)
 
 	/* Remove fds from polling */
 	const struct libusb_pollfd **const lupfd =
-		libusb_get_pollfds(drvc->usb_context);
+		libusb_get_pollfds(NULL);
 	for (i = 0; lupfd[i]; i++)
 		sr_source_remove(lupfd[i]->fd);
 	free(lupfd); /* NOT g_free()! */
@@ -947,7 +947,6 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 	struct sr_datafeed_packet packet;
 	struct sr_datafeed_header header;
 	struct sr_datafeed_meta_logic meta;
-	struct drv_context *drvc;
 	struct dev_context *devc;
 	struct libusb_transfer *transfer;
 	const struct libusb_pollfd **lupfd;
@@ -955,7 +954,6 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 	int ret;
 	unsigned char *buf;
 
-	drvc = fdi->priv;
 	devc = sdi->priv;
 	if (devc->submitted_transfers != 0)
 		return SR_ERR;
@@ -974,8 +972,10 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 	const size_t size = get_buffer_size(devc);
 
 	devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers);
-	if (!devc->transfers)
-		return SR_ERR;
+	if (!devc->transfers) {
+		sr_err("fx2lafw: USB transfers malloc failed.");
+		return SR_ERR_MALLOC;
+	}
 
 	devc->num_transfers = num_transfers;
 
@@ -998,7 +998,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 		devc->submitted_transfers++;
 	}
 
-	lupfd = libusb_get_pollfds(drvc->usb_context);
+	lupfd = libusb_get_pollfds(NULL);
 	for (i = 0; lupfd[i]; i++)
 		sr_source_add(lupfd[i]->fd, lupfd[i]->events,
 			      timeout, receive_data, NULL);
@@ -1046,6 +1046,8 @@ SR_PRIV struct sr_dev_driver fx2lafw_driver_info = {
 	.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,