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bulk_in: copy buffer to ensure alignment correctness.

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HiFiPhile 2024-04-27 17:09:05 +02:00
parent 9e674fa109
commit 98e85a296d
1 changed files with 3 additions and 2 deletions
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5
src/class/usbtmc/usbtmc_device.c
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@ -552,9 +552,10 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
case STATE_TX_INITIATED:
if(usbtmc_state.transfer_size_remaining >= sizeof(usbtmc_state.ep_bulk_in_buf))
{
// FIXME! This removes const below!
// Copy buffer to ensure alignment correctness
memcpy(usbtmc_state.ep_bulk_in_buf, usbtmc_state.devInBuffer, sizeof(usbtmc_state.ep_bulk_in_buf));
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in,
(void*)(uintptr_t) usbtmc_state.devInBuffer, sizeof(usbtmc_state.ep_bulk_in_buf)));
usbtmc_state.ep_bulk_in_buf, sizeof(usbtmc_state.ep_bulk_in_buf)));
usbtmc_state.devInBuffer += sizeof(usbtmc_state.ep_bulk_in_buf);
usbtmc_state.transfer_size_remaining -= sizeof(usbtmc_state.ep_bulk_in_buf);
usbtmc_state.transfer_size_sent += sizeof(usbtmc_state.ep_bulk_in_buf);