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libusb stuff

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Nick Chan committed 2023-02-15 15:10:04 +08:00
1 parent fe970cfe2c
commit cad3a8d233
4 files changed
+26 -17
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src/usb_libusb.c
+13 -12
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@@ -181,8 +181,9 @@ int wait_for_pongo(void)
{
stuff_t stuff;
libusb_hotplug_callback_handle hp[2];
libusb_context* ctx = NULL;
int r = libusb_init(NULL);
int r = libusb_init(&ctx);
if(r != LIBUSB_SUCCESS)
{
ERR("libusb_init: %s", libusb_error_name(r));
@@ -192,32 +193,32 @@ int wait_for_pongo(void)
if(!libusb_has_capability(LIBUSB_CAP_HAS_HOTPLUG))
{
ERR("libusb: no hotplug capability");
libusb_exit(NULL);
libusb_exit(ctx);
return -1;
}
r = libusb_hotplug_register_callback(NULL, LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED, 0, PONGO_USB_VENDOR, PONGO_USB_PRODUCT, LIBUSB_HOTPLUG_MATCH_ANY, FoundDevice, &stuff, &hp[0]);
r = libusb_hotplug_register_callback(ctx, LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED, 0, PONGO_USB_VENDOR, PONGO_USB_PRODUCT, LIBUSB_HOTPLUG_MATCH_ANY, FoundDevice, &stuff, &hp[0]);
if(r != LIBUSB_SUCCESS)
{
ERR("libusb_hotplug: %s", libusb_error_name(r));
libusb_exit(NULL);
libusb_exit(ctx);
return -1;
}
r = libusb_hotplug_register_callback(NULL, LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT, 0, PONGO_USB_VENDOR, PONGO_USB_PRODUCT, LIBUSB_HOTPLUG_MATCH_ANY, LostDevice, &stuff, &hp[1]);
r = libusb_hotplug_register_callback(ctx, LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT, 0, PONGO_USB_VENDOR, PONGO_USB_PRODUCT, LIBUSB_HOTPLUG_MATCH_ANY, LostDevice, &stuff, &hp[1]);
if(r != LIBUSB_SUCCESS)
{
ERR("libusb_hotplug: %s", libusb_error_name(r));
libusb_exit(NULL);
libusb_exit(ctx);
return -1;
}
libusb_device **list;
ssize_t sz = libusb_get_device_list(NULL, &list);
ssize_t sz = libusb_get_device_list(ctx, &list);
if(sz < 0)
{
ERR("libusb_get_device_list: %s", libusb_error_name((int)sz));
libusb_exit(NULL);
libusb_exit(ctx);
return -1;
}
@@ -235,7 +236,7 @@ int wait_for_pongo(void)
libusb_unref_device(list[i]);
continue;
}
r = FoundDevice(NULL, list[i], LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED, &stuff);
r = FoundDevice(ctx, list[i], LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED, &stuff);
for(ssize_t j = i + 1; j < sz; ++j)
{
libusb_unref_device(list[j]);
@@ -243,7 +244,7 @@ int wait_for_pongo(void)
if(r != LIBUSB_SUCCESS)
{
libusb_free_device_list(list, 0);
libusb_exit(NULL);
libusb_exit(ctx);
return -1;
}
break;
@@ -252,7 +253,7 @@ int wait_for_pongo(void)
while(get_spin())
{
r = libusb_handle_events(NULL);
r = libusb_handle_events(ctx);
if(r != LIBUSB_SUCCESS)
{
ERR("libusb_handle_events: %s", libusb_error_name(r));
@@ -260,7 +261,7 @@ int wait_for_pongo(void)
}
}
libusb_exit(NULL);
libusb_exit(ctx);
return 0;
}
#endif