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authorHiFiPHile <[email protected]>2026-08-25 09:27:48 +0200
committerHiFiPHile <[email protected]>2026-08-25 09:27:48 +0200
commitdfac26a272fa7bbbca2050fbe9f1ca09008e548e (patch)
treeefbc53f8f2c1e5d9c7f38e5fef6d774a20053cec /examples/device/hid_composite/src/usb_descriptors.c
parente590b45fcf51f9ddace73178074e4fe6d691e319 (diff)
parent5c0e31cdabaf37f14e1f5e988a020abfc1000495 (diff)
Merge master updates into the UAC1 host branch
Bring the audio work onto the current host core and build files before applying the remaining review fixes. Signed-off-by: HiFiPHile <[email protected]>
Diffstat (limited to 'examples/device/hid_composite/src/usb_descriptors.c')
-rw-r--r--examples/device/hid_composite/src/usb_descriptors.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/examples/device/hid_composite/src/usb_descriptors.c b/examples/device/hid_composite/src/usb_descriptors.c
index 46e4b63f9..7f5f74c70 100644
--- a/examples/device/hid_composite/src/usb_descriptors.c
+++ b/examples/device/hid_composite/src/usb_descriptors.c
@@ -27,15 +27,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x400f
#define USB_VID 0xCafe
#define USB_BCD 0x0200