diff options
Diffstat (limited to 'examples/device/audio_test/src/usb_descriptors.c')
| -rw-r--r-- | examples/device/audio_test/src/usb_descriptors.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/examples/device/audio_test/src/usb_descriptors.c b/examples/device/audio_test/src/usb_descriptors.c index cea4eb8d1..d16526116 100644 --- a/examples/device/audio_test/src/usb_descriptors.c +++ b/examples/device/audio_test/src/usb_descriptors.c @@ -26,15 +26,8 @@ #include "bsp/board_api.h" #include "tusb.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] AUDIO | MIDI | 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(AUDIO, 4) | PID_MAP(VENDOR, 5) ) +// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match. +#define USB_PID 0x4003 //--------------------------------------------------------------------+ // Device Descriptors @@ -99,6 +92,10 @@ enum // Only EP3 is available for ISO #define EPNUM_AUDIO 0x03 +#elif CFG_TUSB_MIMXRT1XXX_ERRATA_ERR050101 + // ERR050101 (see CFG_TUSB_MIMXRT1XXX_ERRATA_ERR050101): an isochronous IN endpoint needs a number + // no other device on the bus uses + #define EPNUM_AUDIO 0x07 #else #define EPNUM_AUDIO 0x01 #endif |