diff options
Diffstat (limited to 'examples/device/video_capture_2ch/src/usb_descriptors.c')
| -rw-r--r-- | examples/device/video_capture_2ch/src/usb_descriptors.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/examples/device/video_capture_2ch/src/usb_descriptors.c b/examples/device/video_capture_2ch/src/usb_descriptors.c index 8dc986da6..2630be84b 100644 --- a/examples/device/video_capture_2ch/src/usb_descriptors.c +++ b/examples/device/video_capture_2ch/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] VIDEO | 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(VIDEO, 5) | PID_MAP(VENDOR, 6) ) +// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match. +#define USB_PID 0x401e #define USB_VID 0xCafe #define USB_BCD 0x0200 @@ -117,8 +110,15 @@ enum { ITF_NUM_TOTAL }; -#define EPNUM_VIDEO_IN_1 0x81 -#define EPNUM_VIDEO_IN_2 0x82 +#if CFG_TUSB_MIMXRT1XXX_ERRATA_ERR050101 && !CFG_TUD_VIDEO_STREAMING_BULK + // ERR050101 (see CFG_TUSB_MIMXRT1XXX_ERRATA_ERR050101): an isochronous IN endpoint needs a number + // no other device on the bus uses + #define EPNUM_VIDEO_IN_1 0x86 + #define EPNUM_VIDEO_IN_2 0x87 +#else + #define EPNUM_VIDEO_IN_1 0x81 + #define EPNUM_VIDEO_IN_2 0x82 +#endif #if defined(CFG_EXAMPLE_VIDEO_READONLY) && !defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG) #define USE_MJPEG 1 |