From fa523a5682d8dc91cc1c7a63475623743e37ac83 Mon Sep 17 00:00:00 2001 From: hathach Date: Thu, 21 Nov 2024 10:15:30 +0700 Subject: make sure usb buffer occupies whole cache line when DCACHE is enabled for msc,cdc,hid HIL enable device DMA for p4 --- src/class/hid/hid_device.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'src/class/hid') diff --git a/src/class/hid/hid_device.c b/src/class/hid/hid_device.c index ef6c7f3af..257af86e0 100644 --- a/src/class/hid/hid_device.c +++ b/src/class/hid/hid_device.c @@ -53,9 +53,18 @@ typedef struct { // Note: HID descriptor may be not available from application after enumeration tusb_hid_descriptor_hid_t const *hid_descriptor; - uint8_t ctrl_buf[CFG_TUD_HID_EP_BUFSIZE]; - CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_HID_EP_BUFSIZE]; - CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_HID_EP_BUFSIZE]; + union { + CFG_TUD_MEM_ALIGN uint8_t ctrl_buf[CFG_TUD_HID_EP_BUFSIZE]; + TUD_DCACHE_PADDING; + }; + union { + CFG_TUD_MEM_ALIGN uint8_t epin_buf[CFG_TUD_HID_EP_BUFSIZE]; + TUD_DCACHE_PADDING; + }; + union { + CFG_TUD_MEM_ALIGN uint8_t epout_buf[CFG_TUD_HID_EP_BUFSIZE]; + TUD_DCACHE_PADDING; + }; } hidd_interface_t; CFG_TUD_MEM_SECTION tu_static hidd_interface_t _hidd_itf[CFG_TUD_HID]; -- cgit v1.3.1