📄 at91sam7s256.h
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// SOFTWARE API DEFINITION FOR Memory Controller Interface
// *****************************************************************************
typedef struct _AT91S_MC {
AT91_REG MC_RCR; // MC Remap Control Register
AT91_REG MC_ASR; // MC Abort Status Register
AT91_REG MC_AASR; // MC Abort Address Status Register
AT91_REG Reserved0[21]; //
AT91_REG MC_FMR; // MC Flash Mode Register
AT91_REG MC_FCR; // MC Flash Command Register
AT91_REG MC_FSR; // MC Flash Status Register
} AT91S_MC, *AT91PS_MC;
// -------- MC_RCR : (MC Offset: 0x0) MC Remap Control Register --------
# define AT91C_MC_RCB ((unsigned int) 0x1 << 0) // (MC) Remap Command Bit
// -------- MC_ASR : (MC Offset: 0x4) MC Abort Status Register --------
# define AT91C_MC_UNDADD ((unsigned int) 0x1 << 0) // (MC) Undefined Addess Abort Status
# define AT91C_MC_MISADD ((unsigned int) 0x1 << 1) // (MC) Misaligned Addess Abort Status
# define AT91C_MC_ABTSZ ((unsigned int) 0x3 << 8) // (MC) Abort Size Status
# define AT91C_MC_ABTSZ_BYTE ((unsigned int) 0x0 << 8) // (MC) Byte
# define AT91C_MC_ABTSZ_HWORD ((unsigned int) 0x1 << 8) // (MC) Half-word
# define AT91C_MC_ABTSZ_WORD ((unsigned int) 0x2 << 8) // (MC) Word
# define AT91C_MC_ABTTYP ((unsigned int) 0x3 << 10) // (MC) Abort Type Status
# define AT91C_MC_ABTTYP_DATAR ((unsigned int) 0x0 << 10) // (MC) Data Read
# define AT91C_MC_ABTTYP_DATAW ((unsigned int) 0x1 << 10) // (MC) Data Write
# define AT91C_MC_ABTTYP_FETCH ((unsigned int) 0x2 << 10) // (MC) Code Fetch
# define AT91C_MC_MST0 ((unsigned int) 0x1 << 16) // (MC) Master 0 Abort Source
# define AT91C_MC_MST1 ((unsigned int) 0x1 << 17) // (MC) Master 1 Abort Source
# define AT91C_MC_SVMST0 ((unsigned int) 0x1 << 24) // (MC) Saved Master 0 Abort Source
# define AT91C_MC_SVMST1 ((unsigned int) 0x1 << 25) // (MC) Saved Master 1 Abort Source
// -------- MC_FMR : (MC Offset: 0x60) MC Flash Mode Register --------
# define AT91C_MC_FRDY ((unsigned int) 0x1 << 0) // (MC) Flash Ready
# define AT91C_MC_LOCKE ((unsigned int) 0x1 << 2) // (MC) Lock Error
# define AT91C_MC_PROGE ((unsigned int) 0x1 << 3) // (MC) Programming Error
# define AT91C_MC_NEBP ((unsigned int) 0x1 << 7) // (MC) No Erase Before Programming
# define AT91C_MC_FWS ((unsigned int) 0x3 << 8) // (MC) Flash Wait State
# define AT91C_MC_FWS_0FWS ((unsigned int) 0x0 << 8) // (MC) 1 cycle for Read, 2 for Write operations
# define AT91C_MC_FWS_1FWS ((unsigned int) 0x1 << 8) // (MC) 2 cycles for Read, 3 for Write operations
# define AT91C_MC_FWS_2FWS ((unsigned int) 0x2 << 8) // (MC) 3 cycles for Read, 4 for Write operations
# define AT91C_MC_FWS_3FWS ((unsigned int) 0x3 << 8) // (MC) 4 cycles for Read, 4 for Write operations
# define AT91C_MC_FMCN ((unsigned int) 0xFF << 16) // (MC) Flash Microsecond Cycle Number
// -------- MC_FCR : (MC Offset: 0x64) MC Flash Command Register --------
# define AT91C_MC_FCMD ((unsigned int) 0xF << 0) // (MC) Flash Command
# define AT91C_MC_FCMD_START_PROG ((unsigned int) 0x1) // (MC) Starts the programming of th epage specified by PAGEN.
# define AT91C_MC_FCMD_LOCK ((unsigned int) 0x2) // (MC) Starts a lock sequence of the sector defined by the bits 4 to 7 of the field PAGEN.
# define AT91C_MC_FCMD_PROG_AND_LOCK ((unsigned int) 0x3) // (MC) The lock sequence automatically happens after the programming sequence is completed.
# define AT91C_MC_FCMD_UNLOCK ((unsigned int) 0x4) // (MC) Starts an unlock sequence of the sector defined by the bits 4 to 7 of the field PAGEN.
# define AT91C_MC_FCMD_ERASE_ALL ((unsigned int) 0x8) // (MC) Starts the erase of the entire flash.If at least a page is locked, the command is cancelled.
# define AT91C_MC_FCMD_SET_GP_NVM ((unsigned int) 0xB) // (MC) Set General Purpose NVM bits.
# define AT91C_MC_FCMD_CLR_GP_NVM ((unsigned int) 0xD) // (MC) Clear General Purpose NVM bits.
# define AT91C_MC_FCMD_SET_SECURITY ((unsigned int) 0xF) // (MC) Set Security Bit.
# define AT91C_MC_PAGEN ((unsigned int) 0x3FF << 8) // (MC) Page Number
# define AT91C_MC_KEY ((unsigned int) 0xFF << 24) // (MC) Writing Protect Key
// -------- MC_FSR : (MC Offset: 0x68) MC Flash Command Register --------
# define AT91C_MC_SECURITY ((unsigned int) 0x1 << 4) // (MC) Security Bit Status
# define AT91C_MC_GPNVM0 ((unsigned int) 0x1 << 8) // (MC) Sector 0 Lock Status
# define AT91C_MC_GPNVM1 ((unsigned int) 0x1 << 9) // (MC) Sector 1 Lock Status
# define AT91C_MC_GPNVM2 ((unsigned int) 0x1 << 10) // (MC) Sector 2 Lock Status
# define AT91C_MC_GPNVM3 ((unsigned int) 0x1 << 11) // (MC) Sector 3 Lock Status
# define AT91C_MC_GPNVM4 ((unsigned int) 0x1 << 12) // (MC) Sector 4 Lock Status
# define AT91C_MC_GPNVM5 ((unsigned int) 0x1 << 13) // (MC) Sector 5 Lock Status
# define AT91C_MC_GPNVM6 ((unsigned int) 0x1 << 14) // (MC) Sector 6 Lock Status
# define AT91C_MC_GPNVM7 ((unsigned int) 0x1 << 15) // (MC) Sector 7 Lock Status
# define AT91C_MC_LOCKS0 ((unsigned int) 0x1 << 16) // (MC) Sector 0 Lock Status
# define AT91C_MC_LOCKS1 ((unsigned int) 0x1 << 17) // (MC) Sector 1 Lock Status
# define AT91C_MC_LOCKS2 ((unsigned int) 0x1 << 18) // (MC) Sector 2 Lock Status
# define AT91C_MC_LOCKS3 ((unsigned int) 0x1 << 19) // (MC) Sector 3 Lock Status
# define AT91C_MC_LOCKS4 ((unsigned int) 0x1 << 20) // (MC) Sector 4 Lock Status
# define AT91C_MC_LOCKS5 ((unsigned int) 0x1 << 21) // (MC) Sector 5 Lock Status
# define AT91C_MC_LOCKS6 ((unsigned int) 0x1 << 22) // (MC) Sector 6 Lock Status
# define AT91C_MC_LOCKS7 ((unsigned int) 0x1 << 23) // (MC) Sector 7 Lock Status
# define AT91C_MC_LOCKS8 ((unsigned int) 0x1 << 24) // (MC) Sector 8 Lock Status
# define AT91C_MC_LOCKS9 ((unsigned int) 0x1 << 25) // (MC) Sector 9 Lock Status
# define AT91C_MC_LOCKS10 ((unsigned int) 0x1 << 26) // (MC) Sector 10 Lock Status
# define AT91C_MC_LOCKS11 ((unsigned int) 0x1 << 27) // (MC) Sector 11 Lock Status
# define AT91C_MC_LOCKS12 ((unsigned int) 0x1 << 28) // (MC) Sector 12 Lock Status
# define AT91C_MC_LOCKS13 ((unsigned int) 0x1 << 29) // (MC) Sector 13 Lock Status
# define AT91C_MC_LOCKS14 ((unsigned int) 0x1 << 30) // (MC) Sector 14 Lock Status
# define AT91C_MC_LOCKS15 ((unsigned int) 0x1 << 31) // (MC) Sector 15 Lock Status
// *****************************************************************************
// SOFTWARE API DEFINITION FOR Serial Parallel Interface
// *****************************************************************************
typedef struct _AT91S_SPI {
AT91_REG SPI_CR; // Control Register
AT91_REG SPI_MR; // Mode Register
AT91_REG SPI_RDR; // Receive Data Register
AT91_REG SPI_TDR; // Transmit Data Register
AT91_REG SPI_SR; // Status Register
AT91_REG SPI_IER; // Interrupt Enable Register
AT91_REG SPI_IDR; // Interrupt Disable Register
AT91_REG SPI_IMR; // Interrupt Mask Register
AT91_REG Reserved0[4]; //
AT91_REG SPI_CSR[4]; // Chip Select Register
AT91_REG Reserved1[48]; //
AT91_REG SPI_RPR; // Receive Pointer Register
AT91_REG SPI_RCR; // Receive Counter Register
AT91_REG SPI_TPR; // Transmit Pointer Register
AT91_REG SPI_TCR; // Transmit Counter Register
AT91_REG SPI_RNPR; // Receive Next Pointer Register
AT91_REG SPI_RNCR; // Receive Next Counter Register
AT91_REG SPI_TNPR; // Transmit Next Pointer Register
AT91_REG SPI_TNCR; // Transmit Next Counter Register
AT91_REG SPI_PTCR; // PDC Transfer Control Register
AT91_REG SPI_PTSR; // PDC Transfer Status Register
} AT91S_SPI, *AT91PS_SPI;
// -------- SPI_CR : (SPI Offset: 0x0) SPI Control Register --------
# define AT91C_SPI_SPIEN ((unsigned int) 0x1 << 0) // (SPI) SPI Enable
# define AT91C_SPI_SPIDIS ((unsigned int) 0x1 << 1) // (SPI) SPI Disable
# define AT91C_SPI_SWRST ((unsigned int) 0x1 << 7) // (SPI) SPI Software reset
# define AT91C_SPI_LASTXFER ((unsigned int) 0x1 << 24) // (SPI) SPI Last Transfer
// -------- SPI_MR : (SPI Offset: 0x4) SPI Mode Register --------
# define AT91C_SPI_MSTR ((unsigned int) 0x1 << 0) // (SPI) Master/Slave Mode
# define AT91C_SPI_PS ((unsigned int) 0x1 << 1) // (SPI) Peripheral Select
# define AT91C_SPI_PS_FIXED ((unsigned int) 0x0 << 1) // (SPI) Fixed Peripheral Select
# define AT91C_SPI_PS_VARIABLE ((unsigned int) 0x1 << 1) // (SPI) Variable Peripheral Select
# define AT91C_SPI_PCSDEC ((unsigned int) 0x1 << 2) // (SPI) Chip Select Decode
# define AT91C_SPI_FDIV ((unsigned int) 0x1 << 3) // (SPI) Clock Selection
# define AT91C_SPI_MODFDIS ((unsigned int) 0x1 << 4) // (SPI) Mode Fault Detection
# define AT91C_SPI_LLB ((unsigned int) 0x1 << 7) // (SPI) Clock Selection
# define AT91C_SPI_PCS ((unsigned int) 0xF << 16) // (SPI) Peripheral Chip Select
# define AT91C_SPI_DLYBCS ((unsigned int) 0xFF << 24) // (SPI) Delay Between Chip Selects
// -------- SPI_RDR : (SPI Offset: 0x8) Receive Data Register --------
# define AT91C_SPI_RD ((unsigned int) 0xFFFF << 0) // (SPI) Receive Data
# define AT91C_SPI_RPCS ((unsigned int) 0xF << 16) // (SPI) Peripheral Chip Select Status
// -------- SPI_TDR : (SPI Offset: 0xc) Transmit Data Register --------
# define AT91C_SPI_TD ((unsigned int) 0xFFFF << 0) // (SPI) Transmit Data
# define AT91C_SPI_TPCS ((unsigned int) 0xF << 16) // (SPI) Peripheral Chip Select Status
// -------- SPI_SR : (SPI Offset: 0x10) Status Register --------
# define AT91C_SPI_RDRF ((unsigned int) 0x1 << 0) // (SPI) Receive Data Register Full
# define AT91C_SPI_TDRE ((unsigned int) 0x1 << 1) // (SPI) Transmit Data Register Empty
# define AT91C_SPI_MODF ((unsigned int) 0x1 << 2) // (SPI) Mode Fault Error
# define AT91C_SPI_OVRES ((unsigned int) 0x1 << 3) // (SPI) Overrun Error Status
# define AT91C_SPI_ENDRX ((unsigned int) 0x1 << 4) // (SPI) End of Receiver Transfer
# define AT91C_SPI_ENDTX ((unsigned int) 0x1 << 5) // (SPI) End of Receiver Transfer
# define AT91C_SPI_RXBUFF ((unsigned int) 0x1 << 6) // (SPI) RXBUFF Interrupt
# define AT91C_SPI_TXBUFE ((unsigned int) 0x1 << 7) // (SPI) TXBUFE Interrupt
# define AT91C_SPI_NSSR ((unsigned int) 0x1 << 8) // (SPI) NSSR Interrupt
# define AT91C_SPI_TXEMPTY ((unsigned int) 0x1 << 9) // (SPI) TXEMPTY Interrupt
# define AT91C_SPI_SPIENS ((unsigned int) 0x1 << 16) // (SPI) Enable Status
// -------- SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register --------
// -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register --------
// -------- SPI_IMR : (SPI Offset: 0x1c) Interrupt Mask Register --------
// -------- SPI_CSR : (SPI Offset: 0x30) Chip Select Register --------
# define AT91C_SPI_CPOL ((unsigned int) 0x1 << 0) // (SPI) Clock Polarity
# define AT91C_SPI_NCPHA ((unsigned int) 0x1 << 1) // (SPI) Clock Phase
# define AT91C_SPI_CSAAT ((unsigned int) 0x1 << 3) // (SPI) Chip Select Active After Transfer
# define AT91C_SPI_BITS ((unsigned int) 0xF << 4) // (SPI) Bits Per Transfer
# define AT91C_SPI_BITS_8 ((unsigned int) 0x0 << 4) // (SPI) 8 Bits Per transfer
# define AT91C_SPI_BITS_9 ((unsigned int) 0x1 << 4) // (SPI) 9 Bits Per transfer
# define AT91C_SPI_BITS_10 ((unsigned int) 0x2 << 4) // (SPI) 10 Bits Per transfer
# define AT91C_SPI_BITS_11 ((unsigned int) 0x3 << 4) // (SPI) 11 Bits Per transfer
# define AT91C_SPI_BITS_12 ((unsigned int) 0x4 << 4) // (SPI) 12 Bits Per transfer
# define AT91C_SPI_BITS_13 ((unsigned int) 0x5 << 4) // (SPI) 13 Bits Per transfer
# define AT91C_SPI_BITS_14 ((unsigned int) 0x6 << 4) // (SPI) 14 Bits Per transfer
# define AT91C_SPI_BITS_15 ((unsigned int) 0x7 << 4) // (SPI) 15 Bits Per transfer
# define AT91C_SPI_BITS_16 ((unsigned int) 0x8 << 4) // (SPI) 16 Bits Per transfer
# define AT91C_SPI_SCBR ((unsigned int) 0xFF << 8) // (SPI) Serial Clock Baud Rate
# define AT91C_SPI_DLYBS ((unsigned int) 0xFF << 16) // (SPI) Serial Clock Baud Rate
# define AT91C_SPI_DLYBCT ((unsigned int) 0xFF << 24) // (SPI) Delay Between Consecutive Transfers
// *****************************************************************************
// SOFTWARE API DEFINITION FOR Analog to Digital Convertor
// *****************************************************************************
typedef struct _AT91S_ADC {
AT91_REG ADC_CR; // ADC Control Register
AT91_REG ADC_MR; // ADC Mode Register
AT91_REG Reserved0[2]; //
AT91_REG ADC_CHER; // ADC Channel Enable Register
AT91_REG ADC_CHDR; // ADC Channel Disable Register
AT91_REG ADC_CHSR; // ADC Channel Status Register
AT91_REG ADC_SR; // ADC Status Register
AT91_REG ADC_LCDR; // ADC Last Converted Data Register
AT91_REG ADC_IER; // ADC Interrupt Enable Register
AT91_REG ADC_IDR; // ADC Interrupt Disable Register
AT91_REG ADC_IMR; // ADC Interrupt Mask Register
AT91_REG ADC_CDR0; // ADC Channel Data Register 0
AT91_REG ADC_CDR1; // ADC Channel Data Register 1
AT91_REG ADC_CDR2; // ADC Channel Data Register 2
AT91_REG ADC_CDR3; // ADC Channel Data Register 3
AT91_REG ADC_CDR4; // ADC Channel Data Register 4
AT91_REG ADC_CDR5; // ADC Channel Data Register 5
AT91_REG ADC_CDR6; // ADC Channel Data Register 6
AT91_REG ADC_CDR7; // ADC Channel Data Register 7
AT91_REG Reserved1[44]; //
AT91_REG ADC_RPR; // Receive Pointer Register
AT91_REG ADC_RCR; // Receive Counter Register
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