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Merge pull request #615 from charkster/usbtmc_fix_558 

fix #558
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Ha Thach 2021-01-29 12:16:36 +07:00 committed by GitHub
parent 88fad0b42a effd82fd9c
commit 21df228634
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1 changed files with 3 additions and 2 deletions
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5
examples/device/usbtmc/src/usb_descriptors.c
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@ -80,10 +80,11 @@ 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
// USBTMC Interrupt xfer always has length of 2, but we use epMaxSize=8 for
// compatibility with mcus that only allow 8, 16, 32 or 64 for FS endpoints
# 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