/* $asf_license$ */ #ifndef _SAM3XA_SPI_COMPONENT_ #define _SAM3XA_SPI_COMPONENT_ /* ============================================================================= */ /** SOFTWARE API DEFINITION FOR Serial Peripheral Interface */ /* ============================================================================= */ /** \addtogroup SAM3XA_SPI Serial Peripheral Interface */ /*@{*/ #ifndef __ASSEMBLY__ /** \brief Spi hardware registers */ typedef struct { WoReg SPI_CR; /**< \brief (Spi Offset: 0x00) Control Register */ RwReg SPI_MR; /**< \brief (Spi Offset: 0x04) Mode Register */ RoReg SPI_RDR; /**< \brief (Spi Offset: 0x08) Receive Data Register */ WoReg SPI_TDR; /**< \brief (Spi Offset: 0x0C) Transmit Data Register */ RoReg SPI_SR; /**< \brief (Spi Offset: 0x10) Status Register */ WoReg SPI_IER; /**< \brief (Spi Offset: 0x14) Interrupt Enable Register */ WoReg SPI_IDR; /**< \brief (Spi Offset: 0x18) Interrupt Disable Register */ RoReg SPI_IMR; /**< \brief (Spi Offset: 0x1C) Interrupt Mask Register */ RoReg Reserved1[4]; RwReg SPI_CSR[4]; /**< \brief (Spi Offset: 0x30) Chip Select Register */ RoReg Reserved2[41]; RwReg SPI_WPMR; /**< \brief (Spi Offset: 0xE4) Write Protection Control Register */ RoReg SPI_WPSR; /**< \brief (Spi Offset: 0xE8) Write Protection Status Register */ } Spi; #endif /* __ASSEMBLY__ */ /* -------- SPI_CR : (SPI Offset: 0x00) Control Register -------- */ #define SPI_CR_SPIEN (0x1u << 0) /**< \brief (SPI_CR) SPI Enable */ #define SPI_CR_SPIDIS (0x1u << 1) /**< \brief (SPI_CR) SPI Disable */ #define SPI_CR_SWRST (0x1u << 7) /**< \brief (SPI_CR) SPI Software Reset */ #define SPI_CR_LASTXFER (0x1u << 24) /**< \brief (SPI_CR) Last Transfer */ /* -------- SPI_MR : (SPI Offset: 0x04) Mode Register -------- */ #define SPI_MR_MSTR (0x1u << 0) /**< \brief (SPI_MR) Master/Slave Mode */ #define SPI_MR_PS (0x1u << 1) /**< \brief (SPI_MR) Peripheral Select */ #define SPI_MR_PCSDEC (0x1u << 2) /**< \brief (SPI_MR) Chip Select Decode */ #define SPI_MR_MODFDIS (0x1u << 4) /**< \brief (SPI_MR) Mode Fault Detection */ #define SPI_MR_WDRBT (0x1u << 5) /**< \brief (SPI_MR) Wait Data Read Before Transfer */ #define SPI_MR_LLB (0x1u << 7) /**< \brief (SPI_MR) Local Loopback Enable */ #define SPI_MR_PCS_Pos 16 #define SPI_MR_PCS_Msk (0xfu << SPI_MR_PCS_Pos) /**< \brief (SPI_MR) Peripheral Chip Select */ #define SPI_MR_PCS(value) ((SPI_MR_PCS_Msk & ((value) << SPI_MR_PCS_Pos))) #define SPI_MR_DLYBCS_Pos 24 #define SPI_MR_DLYBCS_Msk (0xffu << SPI_MR_DLYBCS_Pos) /**< \brief (SPI_MR) Delay Between Chip Selects */ #define SPI_MR_DLYBCS(value) ((SPI_MR_DLYBCS_Msk & ((value) << SPI_MR_DLYBCS_Pos))) /* -------- SPI_RDR : (SPI Offset: 0x08) Receive Data Register -------- */ #define SPI_RDR_RD_Pos 0 #define SPI_RDR_RD_Msk (0xffffu << SPI_RDR_RD_Pos) /**< \brief (SPI_RDR) Receive Data */ #define SPI_RDR_PCS_Pos 16 #define SPI_RDR_PCS_Msk (0xfu << SPI_RDR_PCS_Pos) /**< \brief (SPI_RDR) Peripheral Chip Select */ /* -------- SPI_TDR : (SPI Offset: 0x0C) Transmit Data Register -------- */ #define SPI_TDR_TD_Pos 0 #define SPI_TDR_TD_Msk (0xffffu << SPI_TDR_TD_Pos) /**< \brief (SPI_TDR) Transmit Data */ #define SPI_TDR_TD(value) ((SPI_TDR_TD_Msk & ((value) << SPI_TDR_TD_Pos))) #define SPI_TDR_PCS_Pos 16 #define SPI_TDR_PCS_Msk (0xfu << SPI_TDR_PCS_Pos) /**< \brief (SPI_TDR) Peripheral Chip Select */ #define SPI_TDR_PCS(value) ((SPI_TDR_PCS_Msk & ((value) << SPI_TDR_PCS_Pos))) #define SPI_TDR_LASTXFER (0x1u << 24) /**< \brief (SPI_TDR) Last Transfer */ /* -------- SPI_SR : (SPI Offset: 0x10) Status Register -------- */ #define SPI_SR_RDRF (0x1u << 0) /**< \brief (SPI_SR) Receive Data Register Full */ #define SPI_SR_TDRE (0x1u << 1) /**< \brief (SPI_SR) Transmit Data Register Empty */ #define SPI_SR_MODF (0x1u << 2) /**< \brief (SPI_SR) Mode Fault Error */ #define SPI_SR_OVRES (0x1u << 3) /**< \brief (SPI_SR) Overrun Error Status */ #define SPI_SR_NSSR (0x1u << 8) /**< \brief (SPI_SR) NSS Rising */ #define SPI_SR_TXEMPTY (0x1u << 9) /**< \brief (SPI_SR) Transmission Registers Empty */ #define SPI_SR_UNDES (0x1u << 10) /**< \brief (SPI_SR) Underrun Error Status (Slave Mode Only) */ #define SPI_SR_SPIENS (0x1u << 16) /**< \brief (SPI_SR) SPI Enable Status */ /* -------- SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register -------- */ #define SPI_IER_RDRF (0x1u << 0) /**< \brief (SPI_IER) Receive Data Register Full Interrupt Enable */ #define SPI_IER_TDRE (0x1u << 1) /**< \brief (SPI_IER) SPI Transmit Data Register Empty Interrupt Enable */ #define SPI_IER_MODF (0x1u << 2) /**< \brief (SPI_IER) Mode Fault Error Interrupt Enable */ #define SPI_IER_OVRES (0x1u << 3) /**< \brief (SPI_IER) Overrun Error Interrupt Enable */ #define SPI_IER_NSSR (0x1u << 8) /**< \brief (SPI_IER) NSS Rising Interrupt Enable */ #define SPI_IER_TXEMPTY (0x1u << 9) /**< \brief (SPI_IER) Transmission Registers Empty Enable */ #define SPI_IER_UNDES (0x1u << 10) /**< \brief (SPI_IER) Underrun Error Interrupt Enable */ /* -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register -------- */ #define SPI_IDR_RDRF (0x1u << 0) /**< \brief (SPI_IDR) Receive Data Register Full Interrupt Disable */ #define SPI_IDR_TDRE (0x1u << 1) /**< \brief (SPI_IDR) SPI Transmit Data Register Empty Interrupt Disable */ #define SPI_IDR_MODF (0x1u << 2) /**< \brief (SPI_IDR) Mode Fault Error Interrupt Disable */ #define SPI_IDR_OVRES (0x1u << 3) /**< \brief (SPI_IDR) Overrun Error Interrupt Disable */ #define SPI_IDR_NSSR (0x1u << 8) /**< \brief (SPI_IDR) NSS Rising Interrupt Disable */ #define SPI_IDR_TXEMPTY (0x1u << 9) /**< \brief (SPI_IDR) Transmission Registers Empty Disable */ #define SPI_IDR_UNDES (0x1u << 10) /**< \brief (SPI_IDR) Underrun Error Interrupt Disable */ /* -------- SPI_IMR : (SPI Offset: 0x1C) Interrupt Mask Register -------- */ #define SPI_IMR_RDRF (0x1u << 0) /**< \brief (SPI_IMR) Receive Data Register Full Interrupt Mask */ #define SPI_IMR_TDRE (0x1u << 1) /**< \brief (SPI_IMR) SPI Transmit Data Register Empty Interrupt Mask */ #define SPI_IMR_MODF (0x1u << 2) /**< \brief (SPI_IMR) Mode Fault Error Interrupt Mask */ #define SPI_IMR_OVRES (0x1u << 3) /**< \brief (SPI_IMR) Overrun Error Interrupt Mask */ #define SPI_IMR_NSSR (0x1u << 8) /**< \brief (SPI_IMR) NSS Rising Interrupt Mask */ #define SPI_IMR_TXEMPTY (0x1u << 9) /**< \brief (SPI_IMR) Transmission Registers Empty Mask */ #define SPI_IMR_UNDES (0x1u << 10) /**< \brief (SPI_IMR) Underrun Error Interrupt Mask */ /* -------- SPI_CSR[4] : (SPI Offset: 0x30) Chip Select Register -------- */ #define SPI_CSR_CPOL (0x1u << 0) /**< \brief (SPI_CSR[4]) Clock Polarity */ #define SPI_CSR_NCPHA (0x1u << 1) /**< \brief (SPI_CSR[4]) Clock Phase */ #define SPI_CSR_CSNAAT (0x1u << 2) /**< \brief (SPI_CSR[4]) Chip Select Not Active After Transfer (Ignored if CSAAT = 1) */ #define SPI_CSR_CSAAT (0x1u << 3) /**< \brief (SPI_CSR[4]) Chip Select Not Active After Transfer (Ignored if CSAAT = 1) */ #define SPI_CSR_BITS_Pos 4 #define SPI_CSR_BITS_Msk (0xfu << SPI_CSR_BITS_Pos) /**< \brief (SPI_CSR[4]) Bits Per Transfer */ #define SPI_CSR_BITS_8_BIT (0x0u << 4) /**< \brief (SPI_CSR[4]) 8 bits for transfer */ #define SPI_CSR_BITS_9_BIT (0x1u << 4) /**< \brief (SPI_CSR[4]) 9 bits for transfer */ #define SPI_CSR_BITS_10_BIT (0x2u << 4) /**< \brief (SPI_CSR[4]) 10 bits for transfer */ #define SPI_CSR_BITS_11_BIT (0x3u << 4) /**< \brief (SPI_CSR[4]) 11 bits for transfer */ #define SPI_CSR_BITS_12_BIT (0x4u << 4) /**< \brief (SPI_CSR[4]) 12 bits for transfer */ #define SPI_CSR_BITS_13_BIT (0x5u << 4) /**< \brief (SPI_CSR[4]) 13 bits for transfer */ #define SPI_CSR_BITS_14_BIT (0x6u << 4) /**< \brief (SPI_CSR[4]) 14 bits for transfer */ #define SPI_CSR_BITS_15_BIT (0x7u << 4) /**< \brief (SPI_CSR[4]) 15 bits for transfer */ #define SPI_CSR_BITS_16_BIT (0x8u << 4) /**< \brief (SPI_CSR[4]) 16 bits for transfer */ #define SPI_CSR_SCBR_Pos 8 #define SPI_CSR_SCBR_Msk (0xffu << SPI_CSR_SCBR_Pos) /**< \brief (SPI_CSR[4]) Serial Clock Baud Rate */ #define SPI_CSR_SCBR(value) ((SPI_CSR_SCBR_Msk & ((value) << SPI_CSR_SCBR_Pos))) #define SPI_CSR_DLYBS_Pos 16 #define SPI_CSR_DLYBS_Msk (0xffu << SPI_CSR_DLYBS_Pos) /**< \brief (SPI_CSR[4]) Delay Before SPCK */ #define SPI_CSR_DLYBS(value) ((SPI_CSR_DLYBS_Msk & ((value) << SPI_CSR_DLYBS_Pos))) #define SPI_CSR_DLYBCT_Pos 24 #define SPI_CSR_DLYBCT_Msk (0xffu << SPI_CSR_DLYBCT_Pos) /**< \brief (SPI_CSR[4]) Delay Between Consecutive Transfers */ #define SPI_CSR_DLYBCT(value) ((SPI_CSR_DLYBCT_Msk & ((value) << SPI_CSR_DLYBCT_Pos))) /* -------- SPI_WPMR : (SPI Offset: 0xE4) Write Protection Control Register -------- */ #define SPI_WPMR_SPIWPEN (0x1u << 0) /**< \brief (SPI_WPMR) SPI Write Protection Enable */ #define SPI_WPMR_SPIWPKEY_Pos 8 #define SPI_WPMR_SPIWPKEY_Msk (0xffffffu << SPI_WPMR_SPIWPKEY_Pos) /**< \brief (SPI_WPMR) SPI Write Protection Key Password */ #define SPI_WPMR_SPIWPKEY(value) ((SPI_WPMR_SPIWPKEY_Msk & ((value) << SPI_WPMR_SPIWPKEY_Pos))) /* -------- SPI_WPSR : (SPI Offset: 0xE8) Write Protection Status Register -------- */ #define SPI_WPSR_SPIWPVS_Pos 0 #define SPI_WPSR_SPIWPVS_Msk (0x7u << SPI_WPSR_SPIWPVS_Pos) /**< \brief (SPI_WPSR) SPI Write Protection Violation Status */ #define SPI_WPSR_SPIWPVSRC_Pos 8 #define SPI_WPSR_SPIWPVSRC_Msk (0xffu << SPI_WPSR_SPIWPVSRC_Pos) /**< \brief (SPI_WPSR) SPI Write Protection Violation Source */ /*@}*/ #endif /* _SAM3XA_SPI_COMPONENT_ */