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dcd_pic32: Add asserts transfer sanity check

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TU_ASSERTS added to detect transfer inconsistency.
This commit is contained in:
Jerzy Kasenberg 2022-05-01 14:14:42 +02:00
parent d51743a21c
commit c145777e0e
1 changed files with 3 additions and 0 deletions
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3
src/portable/microchip/pic32mz/dcd_pic32mz.c
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@ -530,6 +530,7 @@ static void ep0_handle_rx(void)
transferred = rx_fifo_read(0, xfer->buffer + xfer->transferred);
xfer->transferred += transferred;
TU_ASSERT(xfer->transferred <= xfer->total_len,);
if (transferred < xfer->max_packet_size || xfer->transferred == xfer->total_len)
{
ep0_set_stage(EP0_STAGE_DATA_OUT_COMPLETE);
@ -560,6 +561,7 @@ static void epn_handle_rx_int(uint8_t epnum)
transferred = rx_fifo_read(epnum, xfer->buffer + xfer->transferred);
USB_REGS->EPCSR[epnum].RXCSRL_HOSTbits.RXPKTRDY = 0;
xfer->transferred += transferred;
TU_ASSERT(xfer->transferred <= xfer->total_len,);
if (transferred < xfer->max_packet_size || xfer->transferred == xfer->total_len)
{
xfer_complete(xfer, XFER_RESULT_SUCCESS, true);
@ -579,6 +581,7 @@ static void epn_handle_tx_int(uint8_t epnum)
else
{
xfer->transferred += xfer->last_packet_size;
TU_ASSERT(xfer->transferred <= xfer->total_len,);
if (xfer->last_packet_size < xfer->max_packet_size || xfer->transferred == xfer->total_len)
{
xfer->last_packet_size = 0;