hw_nvic.h

CAN_FIFO收发例程

//
//*****************************************************************************
#define NVIC_MPU_CTRL_PRIVDEFEN 0x00000004  // MPU Default Region
#define NVIC_MPU_CTRL_HFNMIENA  0x00000002  // MPU Enabled During Faults
#define NVIC_MPU_CTRL_ENABLE    0x00000001  // MPU Enable

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_NUMBER
// register.
//
//*****************************************************************************
#define NVIC_MPU_NUMBER_M       0x00000007  // MPU Region to Access
#define NVIC_MPU_NUMBER_S       0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_BASE register.
//
//*****************************************************************************
#define NVIC_MPU_BASE_ADDR_M    0xFFFFFFE0  // Base Address Mask
#define NVIC_MPU_BASE_VALID     0x00000010  // Region Number Valid
#define NVIC_MPU_BASE_REGION_M  0x00000007  // Region Number
#define NVIC_MPU_BASE_ADDR_S    5
#define NVIC_MPU_BASE_REGION_S  0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_ATTR register.
//
//*****************************************************************************
#define NVIC_MPU_ATTR_M         0xFFFF0000  // Attributes
#define NVIC_MPU_ATTR_XN        0x10000000  // Instruction Access Disable
#define NVIC_MPU_ATTR_AP_M      0x07000000  // Access Privilege
#define NVIC_MPU_ATTR_AP_NO_NO  0x00000000  // prv: no access, usr: no access
#define NVIC_MPU_ATTR_AP_RW_NO  0x01000000  // prv: rw, usr: none
#define NVIC_MPU_ATTR_AP_RW_RO  0x02000000  // prv: rw, usr: read-only
#define NVIC_MPU_ATTR_AP_RW_RW  0x03000000  // prv: rw, usr: rw
#define NVIC_MPU_ATTR_AP_RO_NO  0x05000000  // prv: ro, usr: none
#define NVIC_MPU_ATTR_AP_RO_RO  0x06000000  // prv: ro, usr: ro
#define NVIC_MPU_ATTR_TEX_M     0x00380000  // Type Extension Mask
#define NVIC_MPU_ATTR_SHAREABLE 0x00040000  // Shareable
#define NVIC_MPU_ATTR_CACHEABLE 0x00020000  // Cacheable
#define NVIC_MPU_ATTR_BUFFRABLE 0x00010000  // Bufferable
#define NVIC_MPU_ATTR_SRD_M     0x0000FF00  // Subregion Disable Bits
#define NVIC_MPU_ATTR_SRD_0     0x00000100  // Sub-region 0 disable
#define NVIC_MPU_ATTR_SRD_1     0x00000200  // Sub-region 1 disable
#define NVIC_MPU_ATTR_SRD_2     0x00000400  // Sub-region 2 disable
#define NVIC_MPU_ATTR_SRD_3     0x00000800  // Sub-region 3 disable
#define NVIC_MPU_ATTR_SRD_4     0x00001000  // Sub-region 4 disable
#define NVIC_MPU_ATTR_SRD_5     0x00002000  // Sub-region 5 disable
#define NVIC_MPU_ATTR_SRD_6     0x00004000  // Sub-region 6 disable
#define NVIC_MPU_ATTR_SRD_7     0x00008000  // Sub-region 7 disable
#define NVIC_MPU_ATTR_SIZE_M    0x0000003E  // Region Size Mask
#define NVIC_MPU_ATTR_SIZE_32B  0x00000008  // Region size 32 bytes
#define NVIC_MPU_ATTR_SIZE_64B  0x0000000A  // Region size 64 bytes
#define NVIC_MPU_ATTR_SIZE_128B 0x0000000C  // Region size 128 bytes
#define NVIC_MPU_ATTR_SIZE_256B 0x0000000E  // Region size 256 bytes
#define NVIC_MPU_ATTR_SIZE_512B 0x00000010  // Region size 512 bytes
#define NVIC_MPU_ATTR_SIZE_1K   0x00000012  // Region size 1 Kbytes
#define NVIC_MPU_ATTR_SIZE_2K   0x00000014  // Region size 2 Kbytes
#define NVIC_MPU_ATTR_SIZE_4K   0x00000016  // Region size 4 Kbytes
#define NVIC_MPU_ATTR_SIZE_8K   0x00000018  // Region size 8 Kbytes
#define NVIC_MPU_ATTR_SIZE_16K  0x0000001A  // Region size 16 Kbytes
#define NVIC_MPU_ATTR_SIZE_32K  0x0000001C  // Region size 32 Kbytes
#define NVIC_MPU_ATTR_SIZE_64K  0x0000001E  // Region size 64 Kbytes
#define NVIC_MPU_ATTR_SIZE_128K 0x00000020  // Region size 128 Kbytes
#define NVIC_MPU_ATTR_SIZE_256K 0x00000022  // Region size 256 Kbytes
#define NVIC_MPU_ATTR_SIZE_512K 0x00000024  // Region size 512 Kbytes
#define NVIC_MPU_ATTR_SIZE_1M   0x00000026  // Region size 1 Mbytes
#define NVIC_MPU_ATTR_SIZE_2M   0x00000028  // Region size 2 Mbytes
#define NVIC_MPU_ATTR_SIZE_4M   0x0000002A  // Region size 4 Mbytes
#define NVIC_MPU_ATTR_SIZE_8M   0x0000002C  // Region size 8 Mbytes
#define NVIC_MPU_ATTR_SIZE_16M  0x0000002E  // Region size 16 Mbytes
#define NVIC_MPU_ATTR_SIZE_32M  0x00000030  // Region size 32 Mbytes
#define NVIC_MPU_ATTR_SIZE_64M  0x00000032  // Region size 64 Mbytes
#define NVIC_MPU_ATTR_SIZE_128M 0x00000034  // Region size 128 Mbytes
#define NVIC_MPU_ATTR_SIZE_256M 0x00000036  // Region size 256 Mbytes
#define NVIC_MPU_ATTR_SIZE_512M 0x00000038  // Region size 512 Mbytes
#define NVIC_MPU_ATTR_SIZE_1G   0x0000003A  // Region size 1 Gbytes
#define NVIC_MPU_ATTR_SIZE_2G   0x0000003C  // Region size 2 Gbytes
#define NVIC_MPU_ATTR_SIZE_4G   0x0000003E  // Region size 4 Gbytes
#define NVIC_MPU_ATTR_ENABLE    0x00000001  // Region Enable

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_BASE1 register.
//
//*****************************************************************************
#define NVIC_MPU_BASE1_ADDR_M   0xFFFFFFE0  // Base Address Mask
#define NVIC_MPU_BASE1_VALID    0x00000010  // Region Number Valid
#define NVIC_MPU_BASE1_REGION_M 0x00000007  // Region Number
#define NVIC_MPU_BASE1_ADDR_S   5
#define NVIC_MPU_BASE1_REGION_S 0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_ATTR1 register.
//
//*****************************************************************************
#define NVIC_MPU_ATTR1_XN       0x10000000  // Instruction Access Disable
#define NVIC_MPU_ATTR1_AP_M     0x07000000  // Access Privilege
#define NVIC_MPU_ATTR1_TEX_M    0x00380000  // Type Extension Mask
#define NVIC_MPU_ATTR1_SHAREABLE \
                                0x00040000  // Shareable
#define NVIC_MPU_ATTR1_CACHEABLE \
                                0x00020000  // Cacheable
#define NVIC_MPU_ATTR1_BUFFRABLE \
                                0x00010000  // Bufferable
#define NVIC_MPU_ATTR1_SRD_M    0x0000FF00  // Subregion Disable Bits
#define NVIC_MPU_ATTR1_SIZE_M   0x0000003E  // Region Size Mask
#define NVIC_MPU_ATTR1_ENABLE   0x00000001  // Region Enable

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_BASE2 register.
//
//*****************************************************************************
#define NVIC_MPU_BASE2_ADDR_M   0xFFFFFFE0  // Base Address Mask
#define NVIC_MPU_BASE2_VALID    0x00000010  // Region Number Valid
#define NVIC_MPU_BASE2_REGION_M 0x00000007  // Region Number
#define NVIC_MPU_BASE2_ADDR_S   5
#define NVIC_MPU_BASE2_REGION_S 0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_ATTR2 register.
//
//*****************************************************************************
#define NVIC_MPU_ATTR2_XN       0x10000000  // Instruction Access Disable
#define NVIC_MPU_ATTR2_AP_M     0x07000000  // Access Privilege
#define NVIC_MPU_ATTR2_TEX_M    0x00380000  // Type Extension Mask
#define NVIC_MPU_ATTR2_SHAREABLE \
                                0x00040000  // Shareable
#define NVIC_MPU_ATTR2_CACHEABLE \
                                0x00020000  // Cacheable
#define NVIC_MPU_ATTR2_BUFFRABLE \
                                0x00010000  // Bufferable
#define NVIC_MPU_ATTR2_SRD_M    0x0000FF00  // Subregion Disable Bits
#define NVIC_MPU_ATTR2_SIZE_M   0x0000003E  // Region Size Mask
#define NVIC_MPU_ATTR2_ENABLE   0x00000001  // Region Enable

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_BASE3 register.
//
//*****************************************************************************
#define NVIC_MPU_BASE3_ADDR_M   0xFFFFFFE0  // Base Address Mask
#define NVIC_MPU_BASE3_VALID    0x00000010  // Region Number Valid
#define NVIC_MPU_BASE3_REGION_M 0x00000007  // Region Number
#define NVIC_MPU_BASE3_ADDR_S   5
#define NVIC_MPU_BASE3_REGION_S 0

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_MPU_ATTR3 register.
//
//*****************************************************************************
#define NVIC_MPU_ATTR3_XN       0x10000000  // Instruction Access Disable
#define NVIC_MPU_ATTR3_AP_M     0x07000000  // Access Privilege
#define NVIC_MPU_ATTR3_TEX_M    0x00380000  // Type Extension Mask
#define NVIC_MPU_ATTR3_SHAREABLE \
                                0x00040000  // Shareable
#define NVIC_MPU_ATTR3_CACHEABLE \
                                0x00020000  // Cacheable
#define NVIC_MPU_ATTR3_BUFFRABLE \
                                0x00010000  // Bufferable
#define NVIC_MPU_ATTR3_SRD_M    0x0000FF00  // Subregion Disable Bits
#define NVIC_MPU_ATTR3_SIZE_M   0x0000003E  // Region Size Mask
#define NVIC_MPU_ATTR3_ENABLE   0x00000001  // Region Enable

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_DBG_CTRL register.
//
//*****************************************************************************
#define NVIC_DBG_CTRL_DBGKEY_M  0xFFFF0000  // Debug key mask
#define NVIC_DBG_CTRL_DBGKEY    0xA05F0000  // Debug key
#define NVIC_DBG_CTRL_S_RESET_ST \
                                0x02000000  // Core has reset since last read
#define NVIC_DBG_CTRL_S_RETIRE_ST \
                                0x01000000  // Core has executed insruction
                                            // since last read
#define NVIC_DBG_CTRL_S_LOCKUP  0x00080000  // Core is locked up
#define NVIC_DBG_CTRL_S_SLEEP   0x00040000  // Core is sleeping
#define NVIC_DBG_CTRL_S_HALT    0x00020000  // Core status on halt
#define NVIC_DBG_CTRL_S_REGRDY  0x00010000  // Register read/write available
#define NVIC_DBG_CTRL_C_SNAPSTALL \
                                0x00000020  // Breaks a stalled load/store
#define NVIC_DBG_CTRL_C_MASKINT 0x00000008  // Mask interrupts when stepping
#define NVIC_DBG_CTRL_C_STEP    0x00000004  // Step the core
#define NVIC_DBG_CTRL_C_HALT    0x00000002  // Halt the core
#define NVIC_DBG_CTRL_C_DEBUGEN 0x00000001  // Enable debug

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_DBG_XFER register.
//
//*****************************************************************************
#define NVIC_DBG_XFER_REG_WNR   0x00010000  // Write or not read
#define NVIC_DBG_XFER_REG_SEL_M 0x0000001F  // Register
#define NVIC_DBG_XFER_REG_R0    0x00000000  // Register R0
#define NVIC_DBG_XFER_REG_R1    0x00000001  // Register R1
#define NVIC_DBG_XFER_REG_R2    0x00000002  // Register R2
#define NVIC_DBG_XFER_REG_R3    0x00000003  // Register R3
#define NVIC_DBG_XFER_REG_R4    0x00000004  // Register R4
#define NVIC_DBG_XFER_REG_R5    0x00000005  // Register R5
#define NVIC_DBG_XFER_REG_R6    0x00000006  // Register R6
#define NVIC_DBG_XFER_REG_R7    0x00000007  // Register R7
#define NVIC_DBG_XFER_REG_R8    0x00000008  // Register R8
#define NVIC_DBG_XFER_REG_R9    0x00000009  // Register R9
#define NVIC_DBG_XFER_REG_R10   0x0000000A  // Register R10
#define NVIC_DBG_XFER_REG_R11   0x0000000B  // Register R11
#define NVIC_DBG_XFER_REG_R12   0x0000000C  // Register R12
#define NVIC_DBG_XFER_REG_R13   0x0000000D  // Register R13
#define NVIC_DBG_XFER_REG_R14   0x0000000E  // Register R14
#define NVIC_DBG_XFER_REG_R15   0x0000000F  // Register R15
#define NVIC_DBG_XFER_REG_FLAGS 0x00000010  // xPSR/Flags register
#define NVIC_DBG_XFER_REG_MSP   0x00000011  // Main SP
#define NVIC_DBG_XFER_REG_PSP   0x00000012  // Process SP
#define NVIC_DBG_XFER_REG_DSP   0x00000013  // Deep SP
#define NVIC_DBG_XFER_REG_CFBP  0x00000014  // Control/Fault/BasePri/PriMask

//*****************************************************************************
//
// The following are defines for the bit fields in the NVIC_DBG_DATA register.
//
//*****************************************************************************
#define NVIC_DBG_DATA_M         0xFFFFFFFF  // Data temporary cache
#define NVIC_DBG_DATA_S         0

//*****************************************************************************