diff options
| author | charkster <[email protected]> | 2021-01-28 13:12:54 -0700 |
|---|---|---|
| committer | charkster <[email protected]> | 2021-01-28 13:12:54 -0700 |
| commit | cb8ceba3dd55030731e7372080218a9fd7f44431 (patch) | |
| tree | 43f075669bd18438ee39f955d931fef1841cc28f /examples | |
| parent | 40870f9037126b2ec63993963c2b1373974ed92c (diff) | |
fix #558
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/device/usbtmc/src/usb_descriptors.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/device/usbtmc/src/usb_descriptors.c b/examples/device/usbtmc/src/usb_descriptors.c index 505456769..14500b1e4 100644 --- a/examples/device/usbtmc/src/usb_descriptors.c +++ b/examples/device/usbtmc/src/usb_descriptors.c @@ -80,10 +80,10 @@ uint8_t const * tud_descriptor_device_cb(void) TUD_USBTMC_BULK_DESCRIPTORS(/* OUT = */0x01, /* IN = */ 0x81, /* packet size = */USBTMCD_MAX_PACKET_SIZE) #if CFG_TUD_USBTMC_ENABLE_INT_EP -// Interrupt endpoint should be 2 bytes on a FS USB link +// Interrupt endpoint should be 2 bytes on a FS USB link, but some microcontrollers only allow 8, 16, 32 or 64 for FS # define TUD_USBTMC_DESC(_itfnum) \ TUD_USBTMC_DESC_MAIN(_itfnum, /* _epCount = */ 3), \ - TUD_USBTMC_INT_DESCRIPTOR(/* INT ep # */ 0x82, /* epMaxSize = */ 2, /* bInterval = */16u ) + TUD_USBTMC_INT_DESCRIPTOR(/* INT ep # */ 0x82, /* epMaxSize = */ 8, /* bInterval = */16u ) # define TUD_USBTMC_DESC_LEN (TUD_USBTMC_IF_DESCRIPTOR_LEN + TUD_USBTMC_BULK_DESCRIPTORS_LEN + TUD_USBTMC_INT_DESCRIPTOR_LEN) #else |