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Fix msd extraneus bytes on reading #2245

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merged 2 commits into from
Sep 12, 2023
Merged

Fix msd extraneus bytes on reading #2245

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7ce4cfa
renesas: added wait function for IN transaction
maidnl Sep 8, 2023
228acbe
wait_pipe_fifo_empty() now returns bool (as expected using TU_ASSERT …
maidnl Sep 8, 2023
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8 changes: 8 additions & 0 deletions src/portable/renesas/rusb2/dcd_rusb2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,13 @@ static void pipe_read_packet_ff(rusb2_reg_t * rusb, tu_fifo_t *f, volatile void
tu_fifo_advance_write_pointer(f, count);
}


static void wait_pipe_fifo_empty(rusb2_reg_t* rusb, uint8_t num) {
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TU_ASSERT(num);
while( (rusb->PIPE_CTR[num-1] & RUSB2_PIPE_CTR_INBUFM_Msk) > 0 ) {}
}


//--------------------------------------------------------------------+
// Pipe Transfer
//--------------------------------------------------------------------+
Expand Down Expand Up @@ -339,6 +346,7 @@ static bool pipe_xfer_in(rusb2_reg_t* rusb, unsigned num)
const unsigned rem = pipe->remaining;

if (!rem) {
wait_pipe_fifo_empty(rusb, num);
pipe->buf = NULL;
return true;
}
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