diff options
| author | hathach <[email protected]> | 2024-11-21 10:15:30 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2024-11-21 10:22:09 +0700 |
| commit | fa523a5682d8dc91cc1c7a63475623743e37ac83 (patch) | |
| tree | bf479ba344d21dff4b6bd761584bc500a188e651 /src/class/cdc | |
| parent | 2571889061f70b9fd425ee4e4174018bf07c5309 (diff) | |
make sure usb buffer occupies whole cache line when DCACHE is enabled for msc,cdc,hid
HIL enable device DMA for p4
Diffstat (limited to 'src/class/cdc')
| -rw-r--r-- | src/class/cdc/cdc_device.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index ebc408f5a..3e856383e 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -69,8 +69,14 @@ typedef struct { OSAL_MUTEX_DEF(tx_ff_mutex); // Endpoint Transfer buffer - CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EP_BUFSIZE]; - CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EP_BUFSIZE]; + union { + CFG_TUD_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EP_BUFSIZE]; + TUD_DCACHE_PADDING; + }; + union { + CFG_TUD_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EP_BUFSIZE]; + TUD_DCACHE_PADDING; + }; } cdcd_interface_t; #define ITF_MEM_RESET_SIZE offsetof(cdcd_interface_t, wanted_char) |