diff options
Diffstat (limited to 'examples/device/uac2_headset/src/usb_descriptors.c')
| -rw-r--r-- | examples/device/uac2_headset/src/usb_descriptors.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/examples/device/uac2_headset/src/usb_descriptors.c b/examples/device/uac2_headset/src/usb_descriptors.c index b554e7195..d8cdd768e 100644 --- a/examples/device/uac2_headset/src/usb_descriptors.c +++ b/examples/device/uac2_headset/src/usb_descriptors.c @@ -28,15 +28,8 @@ #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] 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 0x401a //--------------------------------------------------------------------+ // Device Descriptors @@ -105,12 +98,24 @@ uint8_t const * tud_descriptor_device_cb(void) #define EPNUM_AUDIO_OUT 0x0A #define EPNUM_AUDIO_IN 0x0B #define EPNUM_AUDIO_INT 0x01 + #elif TU_CHECK_MCU(OPT_MCU_PY32F0) + // Speaker OUT (196 B) only fits EP1 (512 B FIFO); mic IN (98 B) fits EP2 (128 B) + #define EPNUM_AUDIO_OUT 0x01 + #define EPNUM_AUDIO_IN 0x02 + #define EPNUM_AUDIO_INT 0x03 #else #define EPNUM_AUDIO_IN 0x01 #define EPNUM_AUDIO_OUT 0x02 #define EPNUM_AUDIO_INT 0x03 #endif +#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_IN 0x07 + #define EPNUM_AUDIO_OUT 0x01 + #define EPNUM_AUDIO_INT 0x02 + #else #define EPNUM_AUDIO_IN 0x01 #define EPNUM_AUDIO_OUT 0x01 |