diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/device/usbtest/src/usb_descriptors.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/examples/device/usbtest/src/usb_descriptors.h b/examples/device/usbtest/src/usb_descriptors.h index 8a033eca9..61b931bd0 100644 --- a/examples/device/usbtest/src/usb_descriptors.h +++ b/examples/device/usbtest/src/usb_descriptors.h @@ -57,7 +57,13 @@ #define USBTEST_INT_EP_MPS_FS 64 #define USBTEST_ISO_EP_MPS_FS 128 #endif -#define USBTEST_INT_EP_MPS_HS 512 +// RUSB2 (Renesas RA) interrupt pipes 6-9 have a fixed 64-byte single buffer at any speed +// (RA6M5 UM R01UH0891 sec 29.1: "Pipes 6 to 9: Interrupt transfer with 64-byte single buffer"). +#if TU_CHECK_MCU(OPT_MCU_RAXXX) + #define USBTEST_INT_EP_MPS_HS 64 +#else + #define USBTEST_INT_EP_MPS_HS 512 +#endif #define USBTEST_ISO_EP_MPS_HS 512 // Compile-time capability maximum: sizes the source buffers / vendor epbufs for the largest |