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stm32/can: add 'shift' defines for can timing bits

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Useful whe you want to return min/max values of timing parameters
This commit is contained in:
Jeff Ciesielski
2012-10-31 17:01:56 -07:00
parent f80bf1ccb1
commit 7e9b79aa55
1 changed files with 3 additions and 0 deletions
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3
include/libopencm3/stm32/can.h
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@@ -417,6 +417,7 @@
#define CAN_BTR_SJW_3TQ (0x2 << 24)
#define CAN_BTR_SJW_4TQ (0x3 << 24)
#define CAN_BTR_SJW_MASK (0x3 << 24)
#define CAN_BTR_SJW_SHIFT 24
/* 23 Reserved, forced by hardware to 0 */
@@ -430,6 +431,7 @@
#define CAN_BTR_TS2_7TQ (0x6 << 20)
#define CAN_BTR_TS2_8TQ (0x7 << 20)
#define CAN_BTR_TS2_MASK (0x7 << 20)
#define CAN_BTR_TS2_SHIFT 20
/* TS1[3:0]: Time segment 1 */
#define CAN_BTR_TS1_1TQ (0x0 << 16)
@@ -449,6 +451,7 @@
#define CAN_BTR_TS1_15TQ (0xE << 16)
#define CAN_BTR_TS1_16TQ (0xF << 16)
#define CAN_BTR_TS1_MASK (0xF << 16)
#define CAN_BTR_TS1_SHIFT 16
/* 15:10 Reserved, forced by hardware to 0 */