GitHub/candleLight_fw
1
0
Fork 0
mirror of https://github.com/candle-usb/candleLight_fw.git synced 2025-01-14 05:42:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

gs_usb: document switchable termination support

Browse Source
This commit is contained in:
Marc Kleine-Budde 2022-09-18 17:07:15 +02:00
parent c19f3a17e1
commit 151ec30d78
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
include/gs_usb.h
View File

@ -45,6 +45,7 @@ THE SOFTWARE.
#define GS_CAN_MODE_FD (1<<8) /* switch device to CAN-FD mode */
/* #define GS_CAN_FEATURE_REQ_USB_QUIRK_LPC546XX (1<<9) */
/* #define GS_CAN_FEATURE_BT_CONST_EXT (1<<10) */
/* #define GS_CAN_FEATURE_TERMINATION (1<<11) */
#define GS_CAN_FEATURE_LISTEN_ONLY (1<<0)
#define GS_CAN_FEATURE_LOOP_BACK (1<<1)
@ -64,6 +65,12 @@ THE SOFTWARE.
* GS_USB_BREQ_BT_CONST_EXT and struct gs_device_bt_const_extended
*/
#define GS_CAN_FEATURE_BT_CONST_EXT (1<<10)
/* device supports switchable termination, see:
* - GS_USB_BREQ_SET_TERMINATION
* - GS_USB_BREQ_GET_TERMINATION
* - struct gs_device_termination_state
*/
#define GS_CAN_FEATURE_TERMINATION (1<<11)
#define GS_CAN_FLAG_OVERFLOW (1<<0)
#define GS_CAN_FLAG_FD (1<<1) /* is a CAN-FD frame */
@ -163,6 +170,8 @@ enum gs_usb_breq {
GS_USB_BREQ_SET_USER_ID,
GS_USB_BREQ_DATA_BITTIMING,
GS_USB_BREQ_BT_CONST_EXT,
GS_USB_BREQ_SET_TERMINATION,
GS_USB_BREQ_GET_TERMINATION,
};
enum gs_can_mode {
@ -253,6 +262,10 @@ struct gs_device_bt_const_extended {
u32 dbrp_inc;
} __packed;
struct gs_device_termination_state {
u32 state;
} __packed;
struct gs_host_frame {
u32 echo_id;
u32 can_id;