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Merge pull request #2245 from arduino/fix_msd_extraneus_bytes_on_reading

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Fix msd extraneus bytes on reading
This commit is contained in:
Ha Thach
2023-09-12 12:53:52 +07:00
committed by GitHub
parent 6d922de0cb 228acbeac2
commit e9ba93315c
1 changed files with 9 additions and 0 deletions
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9
src/portable/renesas/rusb2/dcd_rusb2.c
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@@ -266,6 +266,14 @@ static void pipe_read_packet_ff(rusb2_reg_t * rusb, tu_fifo_t *f, volatile void
tu_fifo_advance_write_pointer(f, count); tu_fifo_advance_write_pointer(f, count);
} }
static bool wait_pipe_fifo_empty(rusb2_reg_t* rusb, uint8_t num) {
TU_ASSERT(num);
while( (rusb->PIPE_CTR[num-1] & RUSB2_PIPE_CTR_INBUFM_Msk) > 0 ) {}
return true;
}
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
// Pipe Transfer // Pipe Transfer
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
@@ -339,6 +347,7 @@ static bool pipe_xfer_in(rusb2_reg_t* rusb, unsigned num)
const unsigned rem = pipe->remaining; const unsigned rem = pipe->remaining;
if (!rem) { if (!rem) {
wait_pipe_fifo_empty(rusb, num);
pipe->buf = NULL; pipe->buf = NULL;
return true; return true;
} }