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-rw-r--r--examples/device/cdc_uac2/src/usb_descriptors.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/examples/device/cdc_uac2/src/usb_descriptors.c b/examples/device/cdc_uac2/src/usb_descriptors.c
index e6caaa971..fdffc761e 100644
--- a/examples/device/cdc_uac2/src/usb_descriptors.c
+++ b/examples/device/cdc_uac2/src/usb_descriptors.c
@@ -97,15 +97,25 @@ uint8_t const * tud_descriptor_device_cb(void)
#define EPNUM_CDC_OUT 0x02
#define EPNUM_CDC_IN 0x82
-#elif defined(TUD_ENDPOINT_ONE_DIRECTION_ONLY)
+#elif CFG_TUD_ENDPOINT_ONE_DIRECTION_ONLY
// MCUs that don't support a same endpoint number with different direction IN and OUT defined in tusb_mcu.h
// e.g EP1 OUT & EP1 IN cannot exist together
- #define EPNUM_AUDIO_IN 0x01
- #define EPNUM_AUDIO_OUT 0x02
+ #if TU_CHECK_MCU(OPT_MCU_MAX32650, OPT_MCU_MAX32666, OPT_MCU_MAX32690, OPT_MCU_MAX78002)
+ // Put CDC bulk on EP>=8 and audio iso on EP10/11 so the 2048/4096-byte FIFOs can back double packet buffering
+ #define EPNUM_AUDIO_OUT 0x0A
+ #define EPNUM_AUDIO_IN 0x0B
- #define EPNUM_CDC_NOTIF 0x83
- #define EPNUM_CDC_OUT 0x04
- #define EPNUM_CDC_IN 0x85
+ #define EPNUM_CDC_NOTIF 0x83
+ #define EPNUM_CDC_OUT 0x08
+ #define EPNUM_CDC_IN 0x89
+ #else
+ #define EPNUM_AUDIO_IN 0x01
+ #define EPNUM_AUDIO_OUT 0x02
+
+ #define EPNUM_CDC_NOTIF 0x83
+ #define EPNUM_CDC_OUT 0x04
+ #define EPNUM_CDC_IN 0x85
+ #endif
#else
#define EPNUM_AUDIO_IN 0x01