CORTEX Preemption Priority Group

Macros
#define	NVIC_PRIORITYGROUP_0   ((uint32_t)0x00000007)
#define	NVIC_PRIORITYGROUP_1   ((uint32_t)0x00000006)
#define	NVIC_PRIORITYGROUP_2   ((uint32_t)0x00000005)
#define	NVIC_PRIORITYGROUP_3   ((uint32_t)0x00000004)
#define	NVIC_PRIORITYGROUP_4   ((uint32_t)0x00000003)

Detailed Description

Macro Definition Documentation

NVIC_PRIORITYGROUP_0

#define NVIC_PRIORITYGROUP_0   ((uint32_t)0x00000007)

0 bit for pre-emption priority, 4 bits for subpriority

NVIC_PRIORITYGROUP_1

#define NVIC_PRIORITYGROUP_1   ((uint32_t)0x00000006)

1 bit for pre-emption priority, 3 bits for subpriority

NVIC_PRIORITYGROUP_2

#define NVIC_PRIORITYGROUP_2   ((uint32_t)0x00000005)

2 bits for pre-emption priority, 2 bits for subpriority

NVIC_PRIORITYGROUP_3

#define NVIC_PRIORITYGROUP_3   ((uint32_t)0x00000004)

3 bits for pre-emption priority, 1 bit for subpriority

NVIC_PRIORITYGROUP_4

#define NVIC_PRIORITYGROUP_4   ((uint32_t)0x00000003)

4 bits for pre-emption priority, 0 bit for subpriority