diff options
| author | hathach <[email protected]> | 2025-10-28 00:17:26 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2025-10-28 00:17:26 +0700 |
| commit | a12806a6cd65b11476cde69628f92f64978f1c64 (patch) | |
| tree | 24280d9771780bc8b51e14a00f0e3d7faadcec53 /examples/device/hid_multiple_interface | |
| parent | 621123b9b3709bfd1768778f5d526498549eadae (diff) | |
fix descriptor warning when shifting zero
Diffstat (limited to 'examples/device/hid_multiple_interface')
| -rw-r--r-- | examples/device/hid_multiple_interface/src/usb_descriptors.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/device/hid_multiple_interface/src/usb_descriptors.c b/examples/device/hid_multiple_interface/src/usb_descriptors.c index 145836300..0c5645247 100644 --- a/examples/device/hid_multiple_interface/src/usb_descriptors.c +++ b/examples/device/hid_multiple_interface/src/usb_descriptors.c @@ -32,7 +32,7 @@ * Auto ProductID layout's Bitmap: * [MSB] HID | MSC | CDC [LSB] */ -#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) ) +#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) ) |