andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

make sure usb buffer occupies whole cache line when DCACHE is enabled for msc,cdc,hid

Browse Source 
HIL enable device DMA for p4
This commit is contained in:
hathach
2024-11-21 10:15:30 +07:00
parent 2571889061
commit fa523a5682
10 changed files with 105 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/class/cdc/cdc_device.c
View File

@@ -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)