diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/synopsys/dwc2/dcd_dwc2.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index c7899a354..ee52ef1e7 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -73,8 +73,15 @@ typedef struct { static dcd_data_t _dcd_data; +// DMA receives up to 3 back-to-back SETUP packets (3 x 8 bytes), Slave mode only needs 1 packet (8 bytes) +#if CFG_TUD_DWC2_DMA_ENABLE + #define DWC2_SETUP_BUFFER_SIZE 24 +#else + #define DWC2_SETUP_BUFFER_SIZE 8 +#endif + CFG_TUD_MEM_SECTION static struct { - TUD_EPBUF_DEF(setup_buffer, 24); + TUD_EPBUF_DEF(setup_buffer, DWC2_SETUP_BUFFER_SIZE); } _dcd_usbbuf; static tud_configure_dwc2_t _tud_cfg = CFG_TUD_CONFIGURE_DWC2_DEFAULT; |