hw_nvic.h

CAN_FIFO收发例程

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_CPUID register.
//
//*****************************************************************************
#define NVIC_CPUID_IMP_M        0xFF000000  // Implementer Code
#define NVIC_CPUID_IMP_ARM      0x41000000  // ARM
#define NVIC_CPUID_VAR_M        0x00F00000  // Variant Number
#define NVIC_CPUID_CON_M        0x000F0000  // Constant
#define NVIC_CPUID_PARTNO_M     0x0000FFF0  // Part Number
#define NVIC_CPUID_PARTNO_CM3   0x0000C230  // Cortex-M3 processor
#define NVIC_CPUID_REV_M        0x0000000F  // Revision Number

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_INT_CTRL register.
//
//*****************************************************************************
#define NVIC_INT_CTRL_NMI_SET   0x80000000  // NMI Set Pending
#define NVIC_INT_CTRL_PEND_SV   0x10000000  // PendSV Set Pending
#define NVIC_INT_CTRL_UNPEND_SV 0x08000000  // PendSV Clear Pending
#define NVIC_INT_CTRL_PENDSTSET 0x04000000  // SysTick Set Pending
#define NVIC_INT_CTRL_PENDSTCLR 0x02000000  // SysTick Clear Pending
#define NVIC_INT_CTRL_ISR_PRE   0x00800000  // Debug Interrupt Handling
#define NVIC_INT_CTRL_ISR_PEND  0x00400000  // Interrupt Pending
#define NVIC_INT_CTRL_VEC_PEN_M 0x0007F000  // Interrupt Pending Vector Number
#define NVIC_INT_CTRL_VEC_PEN_NMI \
                                0x00002000  // NMI
#define NVIC_INT_CTRL_VEC_PEN_HARD \
                                0x00003000  // Hard fault
#define NVIC_INT_CTRL_VEC_PEN_MEM \
                                0x00004000  // Memory management fault
#define NVIC_INT_CTRL_VEC_PEN_BUS \
                                0x00005000  // Bus fault
#define NVIC_INT_CTRL_VEC_PEN_USG \
                                0x00006000  // Usage fault
#define NVIC_INT_CTRL_VEC_PEN_SVC \
                                0x0000B000  // SVCall
#define NVIC_INT_CTRL_VEC_PEN_PNDSV \
                                0x0000E000  // PendSV
#define NVIC_INT_CTRL_VEC_PEN_TICK \
                                0x0000F000  // SysTick
#define NVIC_INT_CTRL_RET_BASE  0x00000800  // Return to Base
#define NVIC_INT_CTRL_VEC_ACT_M 0x0000007F  // Interrupt Pending Vector Number
#define NVIC_INT_CTRL_VEC_PEN_S 12
#define NVIC_INT_CTRL_VEC_ACT_S 0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_VTABLE register.
//
//*****************************************************************************
#define NVIC_VTABLE_BASE        0x20000000  // Vector Table Base
#define NVIC_VTABLE_OFFSET_M    0x1FFFFE00  // Vector Table Offset
#define NVIC_VTABLE_OFFSET_S    9

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_APINT register.
//
//*****************************************************************************
#define NVIC_APINT_VECTKEY_M    0xFFFF0000  // Register Key
#define NVIC_APINT_VECTKEY      0x05FA0000  // Vector key
#define NVIC_APINT_ENDIANESS    0x00008000  // Data Endianess
#define NVIC_APINT_PRIGROUP_M   0x00000700  // Interrupt Priority Grouping
#define NVIC_APINT_PRIGROUP_7_1 0x00000000  // Priority group 7.1 split
#define NVIC_APINT_PRIGROUP_6_2 0x00000100  // Priority group 6.2 split
#define NVIC_APINT_PRIGROUP_5_3 0x00000200  // Priority group 5.3 split
#define NVIC_APINT_PRIGROUP_4_4 0x00000300  // Priority group 4.4 split
#define NVIC_APINT_PRIGROUP_3_5 0x00000400  // Priority group 3.5 split
#define NVIC_APINT_PRIGROUP_2_6 0x00000500  // Priority group 2.6 split
#define NVIC_APINT_PRIGROUP_1_7 0x00000600  // Priority group 1.7 split
#define NVIC_APINT_PRIGROUP_0_8 0x00000700  // Priority group 0.8 split
#define NVIC_APINT_SYSRESETREQ  0x00000004  // System Reset Request
#define NVIC_APINT_VECT_CLR_ACT 0x00000002  // Clear Active NMI / Fault
#define NVIC_APINT_VECT_RESET   0x00000001  // System Reset

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_SYS_CTRL register.
//
//*****************************************************************************
#define NVIC_SYS_CTRL_SEVONPEND 0x00000010  // Wake Up on Pending
#define NVIC_SYS_CTRL_SLEEPDEEP 0x00000004  // Deep Sleep Enable
#define NVIC_SYS_CTRL_SLEEPEXIT 0x00000002  // Sleep on ISR Exit

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_CFG_CTRL register.
//
//*****************************************************************************
#define NVIC_CFG_CTRL_STKALIGN  0x00000200  // Stack Alignment on Exception
                                            // Entry
#define NVIC_CFG_CTRL_BFHFNMIGN 0x00000100  // Ignore Bus Fault in NMI and
                                            // Fault
#define NVIC_CFG_CTRL_DIV0      0x00000010  // Trap on Divide by 0
#define NVIC_CFG_CTRL_UNALIGNED 0x00000008  // Trap on Unaligned Access
#define NVIC_CFG_CTRL_MAIN_PEND 0x00000002  // Allow Main Interrupt Trigger
#define NVIC_CFG_CTRL_BASE_THR  0x00000001  // Thread State Control

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_SYS_PRI1 register.
//
//*****************************************************************************
#define NVIC_SYS_PRI1_USAGE_M   0x00E00000  // Usage Fault Priority
#define NVIC_SYS_PRI1_BUS_M     0x0000E000  // Bus Fault Priority
#define NVIC_SYS_PRI1_MEM_M     0x000000E0  // Memory Management Fault Priority
#define NVIC_SYS_PRI1_USAGE_S   21
#define NVIC_SYS_PRI1_BUS_S     13
#define NVIC_SYS_PRI1_MEM_S     5

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_SYS_PRI2 register.
//
//*****************************************************************************
#define NVIC_SYS_PRI2_SVC_M     0xE0000000  // SVCall Priority
#define NVIC_SYS_PRI2_SVC_S     29

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_SYS_PRI3 register.
//
//*****************************************************************************
#define NVIC_SYS_PRI3_TICK_M    0xE0000000  // SysTick Exception Priority
#define NVIC_SYS_PRI3_PENDSV_M  0x00E00000  // PendSV Priority
#define NVIC_SYS_PRI3_DEBUG_M   0x000000E0  // Debug Priority
#define NVIC_SYS_PRI3_TICK_S    29
#define NVIC_SYS_PRI3_PENDSV_S  21
#define NVIC_SYS_PRI3_DEBUG_S   5

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_SYS_HND_CTRL
// register.
//
//*****************************************************************************
#define NVIC_SYS_HND_CTRL_USAGE 0x00040000  // Usage Fault Enable
#define NVIC_SYS_HND_CTRL_BUS   0x00020000  // Bus Fault Enable
#define NVIC_SYS_HND_CTRL_MEM   0x00010000  // Memory Management Fault Enable
#define NVIC_SYS_HND_CTRL_SVC   0x00008000  // SVC Call Pending
#define NVIC_SYS_HND_CTRL_BUSP  0x00004000  // Bus Fault Pending
#define NVIC_SYS_HND_CTRL_MEMP  0x00002000  // Memory Management Fault Pending
#define NVIC_SYS_HND_CTRL_USAGEP \
                                0x00001000  // Usage Fault Pending
#define NVIC_SYS_HND_CTRL_TICK  0x00000800  // SysTick Exception Active
#define NVIC_SYS_HND_CTRL_PNDSV 0x00000400  // PendSV Exception Active
#define NVIC_SYS_HND_CTRL_MON   0x00000100  // Debug Monitor Active
#define NVIC_SYS_HND_CTRL_SVCA  0x00000080  // SVC Call Active
#define NVIC_SYS_HND_CTRL_USGA  0x00000008  // Usage Fault Active
#define NVIC_SYS_HND_CTRL_BUSA  0x00000002  // Bus Fault Active
#define NVIC_SYS_HND_CTRL_MEMA  0x00000001  // Memory Management Fault Active

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_FAULT_STAT
// register.
//
//*****************************************************************************
#define NVIC_FAULT_STAT_DIV0    0x02000000  // Divide-by-Zero Usage Fault
#define NVIC_FAULT_STAT_UNALIGN 0x01000000  // Unaligned Access Usage Fault
#define NVIC_FAULT_STAT_NOCP    0x00080000  // No Coprocessor Usage Fault
#define NVIC_FAULT_STAT_INVPC   0x00040000  // Invalid PC Load Usage Fault
#define NVIC_FAULT_STAT_INVSTAT 0x00020000  // Invalid State Usage Fault
#define NVIC_FAULT_STAT_UNDEF   0x00010000  // Undefined Instruction Usage
                                            // Fault
#define NVIC_FAULT_STAT_BFARV   0x00008000  // Bus Fault Address Register Valid
#define NVIC_FAULT_STAT_BSTKE   0x00001000  // Stack Bus Fault
#define NVIC_FAULT_STAT_BUSTKE  0x00000800  // Unstack Bus Fault
#define NVIC_FAULT_STAT_IMPRE   0x00000400  // Imprecise Data Bus Error
#define NVIC_FAULT_STAT_PRECISE 0x00000200  // Precise Data Bus Error
#define NVIC_FAULT_STAT_IBUS    0x00000100  // Instruction Bus Error
#define NVIC_FAULT_STAT_MMARV   0x00000080  // Memory Management Fault Address
                                            // Register Valid
#define NVIC_FAULT_STAT_MSTKE   0x00000010  // Stack Access Violation
#define NVIC_FAULT_STAT_MUSTKE  0x00000008  // Unstack Access Violation
#define NVIC_FAULT_STAT_DERR    0x00000002  // Data Access Violation
#define NVIC_FAULT_STAT_IERR    0x00000001  // Instruction Access Violation

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_HFAULT_STAT
// register.
//
//*****************************************************************************
#define NVIC_HFAULT_STAT_DBG    0x80000000  // Debug Event
#define NVIC_HFAULT_STAT_FORCED 0x40000000  // Forced Hard Fault
#define NVIC_HFAULT_STAT_VECT   0x00000002  // Vector Table Read Fault

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_DEBUG_STAT
// register.
//
//*****************************************************************************
#define NVIC_DEBUG_STAT_EXTRNL  0x00000010  // EDBGRQ asserted
#define NVIC_DEBUG_STAT_VCATCH  0x00000008  // Vector catch
#define NVIC_DEBUG_STAT_DWTTRAP 0x00000004  // DWT match
#define NVIC_DEBUG_STAT_BKPT    0x00000002  // Breakpoint instruction
#define NVIC_DEBUG_STAT_HALTED  0x00000001  // Halt request

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MM_ADDR register.
//
//*****************************************************************************
#define NVIC_MM_ADDR_M          0xFFFFFFFF  // Fault Address
#define NVIC_MM_ADDR_S          0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_FAULT_ADDR
// register.
//
//*****************************************************************************
#define NVIC_FAULT_ADDR_M       0xFFFFFFFF  // Fault Address
#define NVIC_FAULT_ADDR_S       0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_TYPE register.
//
//*****************************************************************************
#define NVIC_MPU_TYPE_IREGION_M 0x00FF0000  // Number of I Regions
#define NVIC_MPU_TYPE_DREGION_M 0x0000FF00  // Number of D Regions
#define NVIC_MPU_TYPE_SEPARATE  0x00000001  // Separate or Unified MPU
#define NVIC_MPU_TYPE_IREGION_S 16
#define NVIC_MPU_TYPE_DREGION_S 8

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_CTRL register.