diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/nxp/transdimension/dcd_transdimension.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/portable/nxp/transdimension/dcd_transdimension.c b/src/portable/nxp/transdimension/dcd_transdimension.c index a4d6c5d48..0a18e711e 100644 --- a/src/portable/nxp/transdimension/dcd_transdimension.c +++ b/src/portable/nxp/transdimension/dcd_transdimension.c @@ -494,7 +494,7 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16 tu_fifo_get_write_info(ff, &fifo_info); } - if(total_bytes <= fifo_info.len_lin) + if (total_bytes <= fifo_info.len_lin) { // Limit transfer length to total_bytes fifo_info.len_wrap = 0; @@ -508,12 +508,20 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16 // address to 32-byte boundaries. // void* cast to suppress cast-align warning, buffer must be CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_lin, 4), fifo_info.len_lin + 31); - if (fifo_info.len_wrap > 0) + + //------------- Prepare qtd -------------// + + // In case of : wrapped part is present & buffer is aligned to 4k & buffer size is multiple of 4k + if (total_bytes > fifo_info.len_lin && (uint32_t)fifo_info.ptr_wrap == tu_align4k((uint32_t)fifo_info.ptr_wrap) && tu_fifo_depth(ff) == tu_align4k(tu_fifo_depth(ff))) { - CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_wrap, 4), fifo_info.len_wrap + 31); + CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_wrap, 4), fifo_info.len_wrap + 31); + qtd_init_fifo(p_qtd, &fifo_info, total_bytes); } - //------------- Prepare qtd -------------// - qtd_init_fifo(p_qtd, &fifo_info, total_bytes); + else + { + qtd_init(p_qtd, fifo_info.ptr_lin, total_bytes); + } + p_qtd->int_on_complete = true; p_qhd->qtd_overlay.next = (uint32_t) p_qtd; // link qtd to qhd p_qhd->ff = ff; |