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Merge pull request #3755 from Old-Ding/codex/usbtmc-notification-idle-xfer

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Fix USBTMC notification endpoint claim
This commit is contained in:
Zixun LI
2026-07-05 12:47:30 +02:00
committed by GitHub
parent 41b8ad2039 742ca33c8a
commit 7bc2e7d129
1 changed files with 5 additions and 2 deletions
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7
src/class/usbtmc/usbtmc_device.c
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@ -252,9 +252,12 @@ bool tud_usbtmc_transmit_notification_data(const void *data, size_t len) {
TU_ASSERT(len > 0);
TU_ASSERT(usbtmc_state.ep_int_in != 0);
#endif
TU_VERIFY(usbd_edpt_busy(usbtmc_state.rhport, usbtmc_state.ep_int_in));
TU_VERIFY(usbd_edpt_claim(usbtmc_state.rhport, usbtmc_state.ep_int_in));
TU_VERIFY(tu_memcpy_s(usbtmc_epbuf.epnotif, CFG_TUD_USBTMC_INT_EP_SIZE, data, len) == 0);
if (tu_memcpy_s(usbtmc_epbuf.epnotif, CFG_TUD_USBTMC_INT_EP_SIZE, data, len) != 0) {
usbd_edpt_release(usbtmc_state.rhport, usbtmc_state.ep_int_in);
return false;
}
TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_int_in, usbtmc_epbuf.epnotif, (uint16_t) len, false));
return true;
}