/* ---------------------------------------------------------------------------- */ /* Atmel Microcontroller Software Support */ /* SAM Software Package License */ /* ---------------------------------------------------------------------------- */ /* Copyright (c) 2015, Atmel Corporation */ /* */ /* All rights reserved. */ /* */ /* Redistribution and use in source and binary forms, with or without */ /* modification, are permitted provided that the following condition is met: */ /* */ /* - Redistributions of source code must retain the above copyright notice, */ /* this list of conditions and the disclaimer below. */ /* */ /* Atmel's name may not be used to endorse or promote products derived from */ /* this software without specific prior written permission. */ /* */ /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* ---------------------------------------------------------------------------- */ #ifndef _SAMA5D2_TWI_COMPONENT_ #define _SAMA5D2_TWI_COMPONENT_ /* ============================================================================= */ /** SOFTWARE API DEFINITION FOR Two-wire Interface High Speed */ /* ============================================================================= */ /** \addtogroup SAMA5D2_TWI Two-wire Interface High Speed */ /*@{*/ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) /** \brief Twi hardware registers */ typedef struct { __O uint32_t TWI_CR; /**< \brief (Twi Offset: 0x00) Control Register */ __IO uint32_t TWI_MMR; /**< \brief (Twi Offset: 0x04) Master Mode Register */ __IO uint32_t TWI_SMR; /**< \brief (Twi Offset: 0x08) Slave Mode Register */ __IO uint32_t TWI_IADR; /**< \brief (Twi Offset: 0x0C) Internal Address Register */ __IO uint32_t TWI_CWGR; /**< \brief (Twi Offset: 0x10) Clock Waveform Generator Register */ __I uint32_t Reserved1[3]; __I uint32_t TWI_SR; /**< \brief (Twi Offset: 0x20) Status Register */ __O uint32_t TWI_IER; /**< \brief (Twi Offset: 0x24) Interrupt Enable Register */ __O uint32_t TWI_IDR; /**< \brief (Twi Offset: 0x28) Interrupt Disable Register */ __I uint32_t TWI_IMR; /**< \brief (Twi Offset: 0x2C) Interrupt Mask Register */ __I uint32_t TWI_RHR; /**< \brief (Twi Offset: 0x30) Receive Holding Register */ __O uint32_t TWI_THR; /**< \brief (Twi Offset: 0x34) Transmit Holding Register */ __IO uint32_t TWI_SMBTR; /**< \brief (Twi Offset: 0x38) SMBus Timing Register */ __I uint32_t Reserved2[1]; __IO uint32_t TWI_ACR; /**< \brief (Twi Offset: 0x40) Alternative Command Register */ __IO uint32_t TWI_FILTR; /**< \brief (Twi Offset: 0x44) Filter Register */ __I uint32_t Reserved3[1]; __IO uint32_t TWI_SWMR; /**< \brief (Twi Offset: 0x4C) SleepWalking Matching Register */ __IO uint32_t TWI_FMR; /**< \brief (Twi Offset: 0x50) FIFO Mode Register */ __I uint32_t TWI_FLR; /**< \brief (Twi Offset: 0x54) FIFO Level Register */ __I uint32_t Reserved4[2]; __I uint32_t TWI_FSR; /**< \brief (Twi Offset: 0x60) FIFO Status Register */ __O uint32_t TWI_FIER; /**< \brief (Twi Offset: 0x64) FIFO Interrupt Enable Register */ __O uint32_t TWI_FIDR; /**< \brief (Twi Offset: 0x68) FIFO Interrupt Disable Register */ __I uint32_t TWI_FIMR; /**< \brief (Twi Offset: 0x6C) FIFO Interrupt Mask Register */ __I uint32_t Reserved5[24]; __I uint32_t TWI_DR; /**< \brief (Twi Offset: 0xD0) Debug Register */ __I uint32_t Reserved6[4]; __IO uint32_t TWI_WPMR; /**< \brief (Twi Offset: 0xE4) Write Protection Mode Register */ __I uint32_t TWI_WPSR; /**< \brief (Twi Offset: 0xE8) Write Protection Status Register */ } Twi; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ /* -------- TWI_CR : (TWI Offset: 0x00) Control Register -------- */ #define TWI_CR_START (0x1u << 0) /**< \brief (TWI_CR) Send a START Condition */ #define TWI_CR_STOP (0x1u << 1) /**< \brief (TWI_CR) Send a STOP Condition */ #define TWI_CR_MSEN (0x1u << 2) /**< \brief (TWI_CR) TWI Master Mode Enabled */ #define TWI_CR_MSDIS (0x1u << 3) /**< \brief (TWI_CR) TWI Master Mode Disabled */ #define TWI_CR_SVEN (0x1u << 4) /**< \brief (TWI_CR) TWI Slave Mode Enabled */ #define TWI_CR_SVDIS (0x1u << 5) /**< \brief (TWI_CR) TWI Slave Mode Disabled */ #define TWI_CR_QUICK (0x1u << 6) /**< \brief (TWI_CR) SMBus Quick Command */ #define TWI_CR_SWRST (0x1u << 7) /**< \brief (TWI_CR) Software Reset */ #define TWI_CR_HSEN (0x1u << 8) /**< \brief (TWI_CR) TWI High-Speed Mode Enabled */ #define TWI_CR_HSDIS (0x1u << 9) /**< \brief (TWI_CR) TWI High-Speed Mode Disabled */ #define TWI_CR_SMBEN (0x1u << 10) /**< \brief (TWI_CR) SMBus Mode Enabled */ #define TWI_CR_SMBDIS (0x1u << 11) /**< \brief (TWI_CR) SMBus Mode Disabled */ #define TWI_CR_PECEN (0x1u << 12) /**< \brief (TWI_CR) Packet Error Checking Enable */ #define TWI_CR_PECDIS (0x1u << 13) /**< \brief (TWI_CR) Packet Error Checking Disable */ #define TWI_CR_PECRQ (0x1u << 14) /**< \brief (TWI_CR) PEC Request */ #define TWI_CR_CLEAR (0x1u << 15) /**< \brief (TWI_CR) Bus CLEAR Command */ #define TWI_CR_ACMEN (0x1u << 16) /**< \brief (TWI_CR) Alternative Command Mode Enable */ #define TWI_CR_ACMDIS (0x1u << 17) /**< \brief (TWI_CR) Alternative Command Mode Disable */ #define TWI_CR_THRCLR (0x1u << 24) /**< \brief (TWI_CR) Transmit Holding Register Clear */ #define TWI_CR_LOCKCLR (0x1u << 26) /**< \brief (TWI_CR) Lock Clear */ #define TWI_CR_FIFOEN (0x1u << 28) /**< \brief (TWI_CR) FIFO Enable */ #define TWI_CR_FIFODIS (0x1u << 29) /**< \brief (TWI_CR) FIFO Disable */ /* -------- TWI_MMR : (TWI Offset: 0x04) Master Mode Register -------- */ #define TWI_MMR_IADRSZ_Pos 8 #define TWI_MMR_IADRSZ_Msk (0x3u << TWI_MMR_IADRSZ_Pos) /**< \brief (TWI_MMR) Internal Device Address Size */ #define TWI_MMR_IADRSZ(value) ((TWI_MMR_IADRSZ_Msk & ((value) << TWI_MMR_IADRSZ_Pos))) #define TWI_MMR_IADRSZ_NONE (0x0u << 8) /**< \brief (TWI_MMR) No internal device address */ #define TWI_MMR_IADRSZ_1_BYTE (0x1u << 8) /**< \brief (TWI_MMR) One-byte internal device address */ #define TWI_MMR_IADRSZ_2_BYTE (0x2u << 8) /**< \brief (TWI_MMR) Two-byte internal device address */ #define TWI_MMR_IADRSZ_3_BYTE (0x3u << 8) /**< \brief (TWI_MMR) Three-byte internal device address */ #define TWI_MMR_MREAD (0x1u << 12) /**< \brief (TWI_MMR) Master Read Direction */ #define TWI_MMR_DADR_Pos 16 #define TWI_MMR_DADR_Msk (0x7fu << TWI_MMR_DADR_Pos) /**< \brief (TWI_MMR) Device Address */ #define TWI_MMR_DADR(value) ((TWI_MMR_DADR_Msk & ((value) << TWI_MMR_DADR_Pos))) /* -------- TWI_SMR : (TWI Offset: 0x08) Slave Mode Register -------- */ #define TWI_SMR_NACKEN (0x1u << 0) /**< \brief (TWI_SMR) Slave Receiver Data Phase NACK enable */ #define TWI_SMR_SMDA (0x1u << 2) /**< \brief (TWI_SMR) SMBus Default Address */ #define TWI_SMR_SMHH (0x1u << 3) /**< \brief (TWI_SMR) SMBus Host Header */ #define TWI_SMR_SCLWSDIS (0x1u << 6) /**< \brief (TWI_SMR) Clock Wait State Disable */ #define TWI_SMR_MASK_Pos 8 #define TWI_SMR_MASK_Msk (0x7fu << TWI_SMR_MASK_Pos) /**< \brief (TWI_SMR) Slave Address Mask */ #define TWI_SMR_MASK(value) ((TWI_SMR_MASK_Msk & ((value) << TWI_SMR_MASK_Pos))) #define TWI_SMR_SADR_Pos 16 #define TWI_SMR_SADR_Msk (0x7fu << TWI_SMR_SADR_Pos) /**< \brief (TWI_SMR) Slave Address */ #define TWI_SMR_SADR(value) ((TWI_SMR_SADR_Msk & ((value) << TWI_SMR_SADR_Pos))) #define TWI_SMR_SADR1EN (0x1u << 28) /**< \brief (TWI_SMR) Slave Address 1 Enable */ #define TWI_SMR_SADR2EN (0x1u << 29) /**< \brief (TWI_SMR) Slave Address 2 Enable */ #define TWI_SMR_SADR3EN (0x1u << 30) /**< \brief (TWI_SMR) Slave Address 3 Enable */ #define TWI_SMR_DATAMEN (0x1u << 31) /**< \brief (TWI_SMR) Data Matching Enable */ /* -------- TWI_IADR : (TWI Offset: 0x0C) Internal Address Register -------- */ #define TWI_IADR_IADR_Pos 0 #define TWI_IADR_IADR_Msk (0xffffffu << TWI_IADR_IADR_Pos) /**< \brief (TWI_IADR) Internal Address */ #define TWI_IADR_IADR(value) ((TWI_IADR_IADR_Msk & ((value) << TWI_IADR_IADR_Pos))) /* -------- TWI_CWGR : (TWI Offset: 0x10) Clock Waveform Generator Register -------- */ #define TWI_CWGR_CLDIV_Pos 0 #define TWI_CWGR_CLDIV_Msk (0xffu << TWI_CWGR_CLDIV_Pos) /**< \brief (TWI_CWGR) Clock Low Divider */ #define TWI_CWGR_CLDIV(value) ((TWI_CWGR_CLDIV_Msk & ((value) << TWI_CWGR_CLDIV_Pos))) #define TWI_CWGR_CHDIV_Pos 8 #define TWI_CWGR_CHDIV_Msk (0xffu << TWI_CWGR_CHDIV_Pos) /**< \brief (TWI_CWGR) Clock High Divider */ #define TWI_CWGR_CHDIV(value) ((TWI_CWGR_CHDIV_Msk & ((value) << TWI_CWGR_CHDIV_Pos))) #define TWI_CWGR_CKDIV_Pos 16 #define TWI_CWGR_CKDIV_Msk (0x7u << TWI_CWGR_CKDIV_Pos) /**< \brief (TWI_CWGR) Clock Divider */ #define TWI_CWGR_CKDIV(value) ((TWI_CWGR_CKDIV_Msk & ((value) << TWI_CWGR_CKDIV_Pos))) #define TWI_CWGR_CKSRC (0x1u << 20) /**< \brief (TWI_CWGR) Transfer Rate Clock Source */ #define TWI_CWGR_CKSRC_PERIPH_CK (0x0u << 20) /**< \brief (TWI_CWGR) Peripheral clock is used to generate the TWI baud rate. */ #define TWI_CWGR_CKSRC_PMC_PCK (0x1u << 20) /**< \brief (TWI_CWGR) PMC PCKx is used to generate the TWI baud rate. */ #define TWI_CWGR_HOLD_Pos 24 #define TWI_CWGR_HOLD_Msk (0x1fu << TWI_CWGR_HOLD_Pos) /**< \brief (TWI_CWGR) TWD Hold Time Versus TWCK Falling */ #define TWI_CWGR_HOLD(value) ((TWI_CWGR_HOLD_Msk & ((value) << TWI_CWGR_HOLD_Pos))) /* -------- TWI_SR : (TWI Offset: 0x20) Status Register -------- */ #define TWI_SR_TXCOMP (0x1u << 0) /**< \brief (TWI_SR) Transmission Completed (cleared by writing TWI_THR) */ #define TWI_SR_RXRDY (0x1u << 1) /**< \brief (TWI_SR) Receive Holding Register Ready (cleared by reading TWI_RHR) */ #define TWI_SR_TXRDY (0x1u << 2) /**< \brief (TWI_SR) Transmit Holding Register Ready (cleared by writing TWI_THR) */ #define TWI_SR_SVREAD (0x1u << 3) /**< \brief (TWI_SR) Slave Read */ #define TWI_SR_SVACC (0x1u << 4) /**< \brief (TWI_SR) Slave Access */ #define TWI_SR_GACC (0x1u << 5) /**< \brief (TWI_SR) General Call Access (cleared on read) */ #define TWI_SR_OVRE (0x1u << 6) /**< \brief (TWI_SR) Overrun Error (cleared on read) */ #define TWI_SR_UNRE (0x1u << 7) /**< \brief (TWI_SR) Underrun Error (cleared on read) */ #define TWI_SR_NACK (0x1u << 8) /**< \brief (TWI_SR) Not Acknowledged (cleared on read) */ #define TWI_SR_ARBLST (0x1u << 9) /**< \brief (TWI_SR) Arbitration Lost (cleared on read) */ #define TWI_SR_SCLWS (0x1u << 10) /**< \brief (TWI_SR) Clock Wait State */ #define TWI_SR_EOSACC (0x1u << 11) /**< \brief (TWI_SR) End Of Slave Access (cleared on read) */ #define TWI_SR_MCACK (0x1u << 16) /**< \brief (TWI_SR) Master Code Acknowledge (cleared on read) */ #define TWI_SR_TOUT (0x1u << 18) /**< \brief (TWI_SR) Timeout Error (cleared on read) */ #define TWI_SR_PECERR (0x1u << 19) /**< \brief (TWI_SR) PEC Error (cleared on read) */ #define TWI_SR_SMBDAM (0x1u << 20) /**< \brief (TWI_SR) SMBus Default Address Match (cleared on read) */ #define TWI_SR_SMBHHM (0x1u << 21) /**< \brief (TWI_SR) SMBus Host Header Address Match (cleared on read) */ #define TWI_SR_LOCK (0x1u << 23) /**< \brief (TWI_SR) TWI Lock due to Frame Errors (cleared by writing a one to bit LOCKCLR in TWI_CR) */ #define TWI_SR_SCL (0x1u << 24) /**< \brief (TWI_SR) SCL Line Value */ #define TWI_SR_SDA (0x1u << 25) /**< \brief (TWI_SR) SDA Line Value */ /* -------- TWI_IER : (TWI Offset: 0x24) Interrupt Enable Register -------- */ #define TWI_IER_TXCOMP (0x1u << 0) /**< \brief (TWI_IER) Transmission Completed Interrupt Enable */ #define TWI_IER_RXRDY (0x1u << 1) /**< \brief (TWI_IER) Receive Holding Register Ready Interrupt Enable */ #define TWI_IER_TXRDY (0x1u << 2) /**< \brief (TWI_IER) Transmit Holding Register Ready Interrupt Enable */ #define TWI_IER_SVACC (0x1u << 4) /**< \brief (TWI_IER) Slave Access Interrupt Enable */ #define TWI_IER_GACC (0x1u << 5) /**< \brief (TWI_IER) General Call Access Interrupt Enable */ #define TWI_IER_OVRE (0x1u << 6) /**< \brief (TWI_IER) Overrun Error Interrupt Enable */ #define TWI_IER_UNRE (0x1u << 7) /**< \brief (TWI_IER) Underrun Error Interrupt Enable */ #define TWI_IER_NACK (0x1u << 8) /**< \brief (TWI_IER) Not Acknowledge Interrupt Enable */ #define TWI_IER_ARBLST (0x1u << 9) /**< \brief (TWI_IER) Arbitration Lost Interrupt Enable */ #define TWI_IER_SCL_WS (0x1u << 10) /**< \brief (TWI_IER) Clock Wait State Interrupt Enable */ #define TWI_IER_EOSACC (0x1u << 11) /**< \brief (TWI_IER) End Of Slave Access Interrupt Enable */ #define TWI_IER_ENDRX (0x1u << 12) /**< \brief (TWI_IER) End of Receive Buffer Interrupt Enable */ #define TWI_IER_ENDTX (0x1u << 13) /**< \brief (TWI_IER) End of Transmit Buffer Interrupt Enable */ #define TWI_IER_RXBUFF (0x1u << 14) /**< \brief (TWI_IER) Receive Buffer Full Interrupt Enable */ #define TWI_IER_TXBUFE (0x1u << 15) /**< \brief (TWI_IER) Transmit Buffer Empty Interrupt Enable */ #define TWI_IER_MCACK (0x1u << 16) /**< \brief (TWI_IER) Master Code Acknowledge Interrupt Enable */ #define TWI_IER_TOUT (0x1u << 18) /**< \brief (TWI_IER) Timeout Error Interrupt Enable */ #define TWI_IER_PECERR (0x1u << 19) /**< \brief (TWI_IER) PEC Error Interrupt Enable */ #define TWI_IER_SMBDAM (0x1u << 20) /**< \brief (TWI_IER) SMBus Default Address Match Interrupt Enable */ #define TWI_IER_SMBHHM (0x1u << 21) /**< \brief (TWI_IER) SMBus Host Header Address Match Interrupt Enable */ /* -------- TWI_IDR : (TWI Offset: 0x28) Interrupt Disable Register -------- */ #define TWI_IDR_TXCOMP (0x1u << 0) /**< \brief (TWI_IDR) Transmission Completed Interrupt Disable */ #define TWI_IDR_RXRDY (0x1u << 1) /**< \brief (TWI_IDR) Receive Holding Register Ready Interrupt Disable */ #define TWI_IDR_TXRDY (0x1u << 2) /**< \brief (TWI_IDR) Transmit Holding Register Ready Interrupt Disable */ #define TWI_IDR_SVACC (0x1u << 4) /**< \brief (TWI_IDR) Slave Access Interrupt Disable */ #define TWI_IDR_GACC (0x1u << 5) /**< \brief (TWI_IDR) General Call Access Interrupt Disable */ #define TWI_IDR_OVRE (0x1u << 6) /**< \brief (TWI_IDR) Overrun Error Interrupt Disable */ #define TWI_IDR_UNRE (0x1u << 7) /**< \brief (TWI_IDR) Underrun Error Interrupt Disable */ #define TWI_IDR_NACK (0x1u << 8) /**< \brief (TWI_IDR) Not Acknowledge Interrupt Disable */ #define TWI_IDR_ARBLST (0x1u << 9) /**< \brief (TWI_IDR) Arbitration Lost Interrupt Disable */ #define TWI_IDR_SCL_WS (0x1u << 10) /**< \brief (TWI_IDR) Clock Wait State Interrupt Disable */ #define TWI_IDR_EOSACC (0x1u << 11) /**< \brief (TWI_IDR) End Of Slave Access Interrupt Disable */ #define TWI_IDR_ENDRX (0x1u << 12) /**< \brief (TWI_IDR) End of Receive Buffer Interrupt Disable */ #define TWI_IDR_ENDTX (0x1u << 13) /**< \brief (TWI_IDR) End of Transmit Buffer Interrupt Disable */ #define TWI_IDR_RXBUFF (0x1u << 14) /**< \brief (TWI_IDR) Receive Buffer Full Interrupt Disable */ #define TWI_IDR_TXBUFE (0x1u << 15) /**< \brief (TWI_IDR) Transmit Buffer Empty Interrupt Disable */ #define TWI_IDR_MCACK (0x1u << 16) /**< \brief (TWI_IDR) Master Code Acknowledge Interrupt Disable */ #define TWI_IDR_TOUT (0x1u << 18) /**< \brief (TWI_IDR) Timeout Error Interrupt Disable */ #define TWI_IDR_PECERR (0x1u << 19) /**< \brief (TWI_IDR) PEC Error Interrupt Disable */ #define TWI_IDR_SMBDAM (0x1u << 20) /**< \brief (TWI_IDR) SMBus Default Address Match Interrupt Disable */ #define TWI_IDR_SMBHHM (0x1u << 21) /**< \brief (TWI_IDR) SMBus Host Header Address Match Interrupt Disable */ /* -------- TWI_IMR : (TWI Offset: 0x2C) Interrupt Mask Register -------- */ #define TWI_IMR_TXCOMP (0x1u << 0) /**< \brief (TWI_IMR) Transmission Completed Interrupt Mask */ #define TWI_IMR_RXRDY (0x1u << 1) /**< \brief (TWI_IMR) Receive Holding Register Ready Interrupt Mask */ #define TWI_IMR_TXRDY (0x1u << 2) /**< \brief (TWI_IMR) Transmit Holding Register Ready Interrupt Mask */ #define TWI_IMR_SVACC (0x1u << 4) /**< \brief (TWI_IMR) Slave Access Interrupt Mask */ #define TWI_IMR_GACC (0x1u << 5) /**< \brief (TWI_IMR) General Call Access Interrupt Mask */ #define TWI_IMR_OVRE (0x1u << 6) /**< \brief (TWI_IMR) Overrun Error Interrupt Mask */ #define TWI_IMR_UNRE (0x1u << 7) /**< \brief (TWI_IMR) Underrun Error Interrupt Mask */ #define TWI_IMR_NACK (0x1u << 8) /**< \brief (TWI_IMR) Not Acknowledge Interrupt Mask */ #define TWI_IMR_ARBLST (0x1u << 9) /**< \brief (TWI_IMR) Arbitration Lost Interrupt Mask */ #define TWI_IMR_SCL_WS (0x1u << 10) /**< \brief (TWI_IMR) Clock Wait State Interrupt Mask */ #define TWI_IMR_EOSACC (0x1u << 11) /**< \brief (TWI_IMR) End Of Slave Access Interrupt Mask */ #define TWI_IMR_ENDRX (0x1u << 12) /**< \brief (TWI_IMR) End of Receive Buffer Interrupt Mask */ #define TWI_IMR_ENDTX (0x1u << 13) /**< \brief (TWI_IMR) End of Transmit Buffer Interrupt Mask */ #define TWI_IMR_RXBUFF (0x1u << 14) /**< \brief (TWI_IMR) Receive Buffer Full Interrupt Mask */ #define TWI_IMR_TXBUFE (0x1u << 15) /**< \brief (TWI_IMR) Transmit Buffer Empty Interrupt Mask */ #define TWI_IMR_MCACK (0x1u << 16) /**< \brief (TWI_IMR) Master Code Acknowledge Interrupt Mask */ #define TWI_IMR_TOUT (0x1u << 18) /**< \brief (TWI_IMR) Timeout Error Interrupt Mask */ #define TWI_IMR_PECERR (0x1u << 19) /**< \brief (TWI_IMR) PEC Error Interrupt Mask */ #define TWI_IMR_SMBDAM (0x1u << 20) /**< \brief (TWI_IMR) SMBus Default Address Match Interrupt Mask */ #define TWI_IMR_SMBHHM (0x1u << 21) /**< \brief (TWI_IMR) SMBus Host Header Address Match Interrupt Mask */ /* -------- TWI_RHR : (TWI Offset: 0x30) Receive Holding Register -------- */ #define TWI_RHR_RXDATA_Pos 0 #define TWI_RHR_RXDATA_Msk (0xffu << TWI_RHR_RXDATA_Pos) /**< \brief (TWI_RHR) Master or Slave Receive Holding Data */ #define TWI_RHR_RXDATA0_Pos 0 #define TWI_RHR_RXDATA0_Msk (0xffu << TWI_RHR_RXDATA0_Pos) /**< \brief (TWI_RHR) Master or Slave Receive Holding Data 0 */ #define TWI_RHR_RXDATA1_Pos 8 #define TWI_RHR_RXDATA1_Msk (0xffu << TWI_RHR_RXDATA1_Pos) /**< \brief (TWI_RHR) Master or Slave Receive Holding Data 1 */ #define TWI_RHR_RXDATA2_Pos 16 #define TWI_RHR_RXDATA2_Msk (0xffu << TWI_RHR_RXDATA2_Pos) /**< \brief (TWI_RHR) Master or Slave Receive Holding Data 2 */ #define TWI_RHR_RXDATA3_Pos 24 #define TWI_RHR_RXDATA3_Msk (0xffu << TWI_RHR_RXDATA3_Pos) /**< \brief (TWI_RHR) Master or Slave Receive Holding Data 3 */ /* -------- TWI_THR : (TWI Offset: 0x34) Transmit Holding Register -------- */ #define TWI_THR_TXDATA_Pos 0 #define TWI_THR_TXDATA_Msk (0xffu << TWI_THR_TXDATA_Pos) /**< \brief (TWI_THR) Master or Slave Transmit Holding Data */ #define TWI_THR_TXDATA(value) ((TWI_THR_TXDATA_Msk & ((value) << TWI_THR_TXDATA_Pos))) #define TWI_THR_TXDATA0_Pos 0 #define TWI_THR_TXDATA0_Msk (0xffu << TWI_THR_TXDATA0_Pos) /**< \brief (TWI_THR) Master or Slave Transmit Holding Data 0 */ #define TWI_THR_TXDATA0(value) ((TWI_THR_TXDATA0_Msk & ((value) << TWI_THR_TXDATA0_Pos))) #define TWI_THR_TXDATA1_Pos 8 #define TWI_THR_TXDATA1_Msk (0xffu << TWI_THR_TXDATA1_Pos) /**< \brief (TWI_THR) Master or Slave Transmit Holding Data 1 */ #define TWI_THR_TXDATA1(value) ((TWI_THR_TXDATA1_Msk & ((value) << TWI_THR_TXDATA1_Pos))) #define TWI_THR_TXDATA2_Pos 16 #define TWI_THR_TXDATA2_Msk (0xffu << TWI_THR_TXDATA2_Pos) /**< \brief (TWI_THR) Master or Slave Transmit Holding Data 2 */ #define TWI_THR_TXDATA2(value) ((TWI_THR_TXDATA2_Msk & ((value) << TWI_THR_TXDATA2_Pos))) #define TWI_THR_TXDATA3_Pos 24 #define TWI_THR_TXDATA3_Msk (0xffu << TWI_THR_TXDATA3_Pos) /**< \brief (TWI_THR) Master or Slave Transmit Holding Data 3 */ #define TWI_THR_TXDATA3(value) ((TWI_THR_TXDATA3_Msk & ((value) << TWI_THR_TXDATA3_Pos))) /* -------- TWI_SMBTR : (TWI Offset: 0x38) SMBus Timing Register -------- */ #define TWI_SMBTR_PRESC_Pos 0 #define TWI_SMBTR_PRESC_Msk (0xfu << TWI_SMBTR_PRESC_Pos) /**< \brief (TWI_SMBTR) SMBus Clock Prescaler */ #define TWI_SMBTR_PRESC(value) ((TWI_SMBTR_PRESC_Msk & ((value) << TWI_SMBTR_PRESC_Pos))) #define TWI_SMBTR_TLOWS_Pos 8 #define TWI_SMBTR_TLOWS_Msk (0xffu << TWI_SMBTR_TLOWS_Pos) /**< \brief (TWI_SMBTR) Slave Clock Stretch Maximum Cycles */ #define TWI_SMBTR_TLOWS(value) ((TWI_SMBTR_TLOWS_Msk & ((value) << TWI_SMBTR_TLOWS_Pos))) #define TWI_SMBTR_TLOWM_Pos 16 #define TWI_SMBTR_TLOWM_Msk (0xffu << TWI_SMBTR_TLOWM_Pos) /**< \brief (TWI_SMBTR) Master Clock Stretch Maximum Cycles */ #define TWI_SMBTR_TLOWM(value) ((TWI_SMBTR_TLOWM_Msk & ((value) << TWI_SMBTR_TLOWM_Pos))) #define TWI_SMBTR_THMAX_Pos 24 #define TWI_SMBTR_THMAX_Msk (0xffu << TWI_SMBTR_THMAX_Pos) /**< \brief (TWI_SMBTR) Clock High Maximum Cycles */ #define TWI_SMBTR_THMAX(value) ((TWI_SMBTR_THMAX_Msk & ((value) << TWI_SMBTR_THMAX_Pos))) /* -------- TWI_ACR : (TWI Offset: 0x40) Alternative Command Register -------- */ #define TWI_ACR_DATAL_Pos 0 #define TWI_ACR_DATAL_Msk (0xffu << TWI_ACR_DATAL_Pos) /**< \brief (TWI_ACR) Data Length */ #define TWI_ACR_DATAL(value) ((TWI_ACR_DATAL_Msk & ((value) << TWI_ACR_DATAL_Pos))) #define TWI_ACR_DIR (0x1u << 8) /**< \brief (TWI_ACR) Transfer Direction */ #define TWI_ACR_PEC (0x1u << 9) /**< \brief (TWI_ACR) PEC Request (SMBus Mode only) */ #define TWI_ACR_NDATAL_Pos 16 #define TWI_ACR_NDATAL_Msk (0xffu << TWI_ACR_NDATAL_Pos) /**< \brief (TWI_ACR) Next Data Length */ #define TWI_ACR_NDATAL(value) ((TWI_ACR_NDATAL_Msk & ((value) << TWI_ACR_NDATAL_Pos))) #define TWI_ACR_NDIR (0x1u << 24) /**< \brief (TWI_ACR) Next Transfer Direction */ #define TWI_ACR_NPEC (0x1u << 25) /**< \brief (TWI_ACR) Next PEC Request (SMBus Mode only) */ /* -------- TWI_FILTR : (TWI Offset: 0x44) Filter Register -------- */ #define TWI_FILTR_FILT (0x1u << 0) /**< \brief (TWI_FILTR) RX Digital Filter */ #define TWI_FILTR_PADFEN (0x1u << 1) /**< \brief (TWI_FILTR) PAD Filter Enable */ #define TWI_FILTR_PADFCFG (0x1u << 2) /**< \brief (TWI_FILTR) PAD Filter Config */ #define TWI_FILTR_THRES_Pos 8 #define TWI_FILTR_THRES_Msk (0x7u << TWI_FILTR_THRES_Pos) /**< \brief (TWI_FILTR) Digital Filter Threshold */ #define TWI_FILTR_THRES(value) ((TWI_FILTR_THRES_Msk & ((value) << TWI_FILTR_THRES_Pos))) /* -------- TWI_SWMR : (TWI Offset: 0x4C) SleepWalking Matching Register -------- */ #define TWI_SWMR_SADR1_Pos 0 #define TWI_SWMR_SADR1_Msk (0x7fu << TWI_SWMR_SADR1_Pos) /**< \brief (TWI_SWMR) Slave Address 1 */ #define TWI_SWMR_SADR1(value) ((TWI_SWMR_SADR1_Msk & ((value) << TWI_SWMR_SADR1_Pos))) #define TWI_SWMR_SADR2_Pos 8 #define TWI_SWMR_SADR2_Msk (0x7fu << TWI_SWMR_SADR2_Pos) /**< \brief (TWI_SWMR) Slave Address 2 */ #define TWI_SWMR_SADR2(value) ((TWI_SWMR_SADR2_Msk & ((value) << TWI_SWMR_SADR2_Pos))) #define TWI_SWMR_SADR3_Pos 16 #define TWI_SWMR_SADR3_Msk (0x7fu << TWI_SWMR_SADR3_Pos) /**< \brief (TWI_SWMR) Slave Address 3 */ #define TWI_SWMR_SADR3(value) ((TWI_SWMR_SADR3_Msk & ((value) << TWI_SWMR_SADR3_Pos))) #define TWI_SWMR_DATAM_Pos 24 #define TWI_SWMR_DATAM_Msk (0xffu << TWI_SWMR_DATAM_Pos) /**< \brief (TWI_SWMR) Data Match */ #define TWI_SWMR_DATAM(value) ((TWI_SWMR_DATAM_Msk & ((value) << TWI_SWMR_DATAM_Pos))) /* -------- TWI_FMR : (TWI Offset: 0x50) FIFO Mode Register -------- */ #define TWI_FMR_TXRDYM_Pos 0 #define TWI_FMR_TXRDYM_Msk (0x3u << TWI_FMR_TXRDYM_Pos) /**< \brief (TWI_FMR) Transmitter Ready Mode */ #define TWI_FMR_TXRDYM(value) ((TWI_FMR_TXRDYM_Msk & ((value) << TWI_FMR_TXRDYM_Pos))) #define TWI_FMR_TXRDYM_ONE_DATA (0x0u << 0) /**< \brief (TWI_FMR) TXRDY will be at level '1' when at least one data can be written in the Transmit FIFO */ #define TWI_FMR_TXRDYM_TWO_DATA (0x1u << 0) /**< \brief (TWI_FMR) TXRDY will be at level '1' when at least two data can be written in the Transmit FIFO */ #define TWI_FMR_TXRDYM_FOUR_DATA (0x2u << 0) /**< \brief (TWI_FMR) TXRDY will be at level '1' when at least four data can be written in the Transmit FIFO */ #define TWI_FMR_RXRDYM_Pos 4 #define TWI_FMR_RXRDYM_Msk (0x3u << TWI_FMR_RXRDYM_Pos) /**< \brief (TWI_FMR) Receiver Ready Mode */ #define TWI_FMR_RXRDYM(value) ((TWI_FMR_RXRDYM_Msk & ((value) << TWI_FMR_RXRDYM_Pos))) #define TWI_FMR_RXRDYM_ONE_DATA (0x0u << 4) /**< \brief (TWI_FMR) RXRDY will be at level '1' when at least one unread data is in the Receive FIFO */ #define TWI_FMR_RXRDYM_TWO_DATA (0x1u << 4) /**< \brief (TWI_FMR) RXRDY will be at level '1' when at least two unread data are in the Receive FIFO */ #define TWI_FMR_RXRDYM_FOUR_DATA (0x2u << 4) /**< \brief (TWI_FMR) RXRDY will be at level '1' when at least four unread data are in the Receive FIFO */ #define TWI_FMR_TXFTHRES_Pos 16 #define TWI_FMR_TXFTHRES_Msk (0x3fu << TWI_FMR_TXFTHRES_Pos) /**< \brief (TWI_FMR) Transmit FIFO Threshold */ #define TWI_FMR_TXFTHRES(value) ((TWI_FMR_TXFTHRES_Msk & ((value) << TWI_FMR_TXFTHRES_Pos))) #define TWI_FMR_RXFTHRES_Pos 24 #define TWI_FMR_RXFTHRES_Msk (0x3fu << TWI_FMR_RXFTHRES_Pos) /**< \brief (TWI_FMR) Receive FIFO Threshold */ #define TWI_FMR_RXFTHRES(value) ((TWI_FMR_RXFTHRES_Msk & ((value) << TWI_FMR_RXFTHRES_Pos))) /* -------- TWI_FLR : (TWI Offset: 0x54) FIFO Level Register -------- */ #define TWI_FLR_TXFL_Pos 0 #define TWI_FLR_TXFL_Msk (0x3fu << TWI_FLR_TXFL_Pos) /**< \brief (TWI_FLR) Transmit FIFO Level */ #define TWI_FLR_RXFL_Pos 16 #define TWI_FLR_RXFL_Msk (0x3fu << TWI_FLR_RXFL_Pos) /**< \brief (TWI_FLR) Receive FIFO Level */ /* -------- TWI_FSR : (TWI Offset: 0x60) FIFO Status Register -------- */ #define TWI_FSR_TXFEF (0x1u << 0) /**< \brief (TWI_FSR) Transmit FIFO Empty Flag (cleared on read) */ #define TWI_FSR_TXFFF (0x1u << 1) /**< \brief (TWI_FSR) Transmit FIFO Full Flag (cleared on read) */ #define TWI_FSR_TXFTHF (0x1u << 2) /**< \brief (TWI_FSR) Transmit FIFO Threshold Flag (cleared on read) */ #define TWI_FSR_RXFEF (0x1u << 3) /**< \brief (TWI_FSR) Receive FIFO Empty Flag */ #define TWI_FSR_RXFFF (0x1u << 4) /**< \brief (TWI_FSR) Receive FIFO Full Flag */ #define TWI_FSR_RXFTHF (0x1u << 5) /**< \brief (TWI_FSR) Receive FIFO Threshold Flag */ #define TWI_FSR_TXFPTEF (0x1u << 6) /**< \brief (TWI_FSR) Transmit FIFO Pointer Error Flag */ #define TWI_FSR_RXFPTEF (0x1u << 7) /**< \brief (TWI_FSR) Receive FIFO Pointer Error Flag */ /* -------- TWI_FIER : (TWI Offset: 0x64) FIFO Interrupt Enable Register -------- */ #define TWI_FIER_TXFEF (0x1u << 0) /**< \brief (TWI_FIER) TXFEF Interrupt Enable */ #define TWI_FIER_TXFFF (0x1u << 1) /**< \brief (TWI_FIER) TXFFF Interrupt Enable */ #define TWI_FIER_TXFTHF (0x1u << 2) /**< \brief (TWI_FIER) TXFTHF Interrupt Enable */ #define TWI_FIER_RXFEF (0x1u << 3) /**< \brief (TWI_FIER) RXFEF Interrupt Enable */ #define TWI_FIER_RXFFF (0x1u << 4) /**< \brief (TWI_FIER) RXFFF Interrupt Enable */ #define TWI_FIER_RXFTHF (0x1u << 5) /**< \brief (TWI_FIER) RXFTHF Interrupt Enable */ #define TWI_FIER_TXFPTEF (0x1u << 6) /**< \brief (TWI_FIER) TXFPTEF Interrupt Enable */ #define TWI_FIER_RXFPTEF (0x1u << 7) /**< \brief (TWI_FIER) RXFPTEF Interrupt Enable */ /* -------- TWI_FIDR : (TWI Offset: 0x68) FIFO Interrupt Disable Register -------- */ #define TWI_FIDR_TXFEF (0x1u << 0) /**< \brief (TWI_FIDR) TXFEF Interrupt Disable */ #define TWI_FIDR_TXFFF (0x1u << 1) /**< \brief (TWI_FIDR) TXFFF Interrupt Disable */ #define TWI_FIDR_TXFTHF (0x1u << 2) /**< \brief (TWI_FIDR) TXFTHF Interrupt Disable */ #define TWI_FIDR_RXFEF (0x1u << 3) /**< \brief (TWI_FIDR) RXFEF Interrupt Disable */ #define TWI_FIDR_RXFFF (0x1u << 4) /**< \brief (TWI_FIDR) RXFFF Interrupt Disable */ #define TWI_FIDR_RXFTHF (0x1u << 5) /**< \brief (TWI_FIDR) RXFTHF Interrupt Disable */ #define TWI_FIDR_TXFPTEF (0x1u << 6) /**< \brief (TWI_FIDR) TXFPTEF Interrupt Disable */ #define TWI_FIDR_RXFPTEF (0x1u << 7) /**< \brief (TWI_FIDR) RXFPTEF Interrupt Disable */ /* -------- TWI_FIMR : (TWI Offset: 0x6C) FIFO Interrupt Mask Register -------- */ #define TWI_FIMR_TXFEF (0x1u << 0) /**< \brief (TWI_FIMR) TXFEF Interrupt Mask */ #define TWI_FIMR_TXFFF (0x1u << 1) /**< \brief (TWI_FIMR) TXFFF Interrupt Mask */ #define TWI_FIMR_TXFTHF (0x1u << 2) /**< \brief (TWI_FIMR) TXFTHF Interrupt Mask */ #define TWI_FIMR_RXFEF (0x1u << 3) /**< \brief (TWI_FIMR) RXFEF Interrupt Mask */ #define TWI_FIMR_RXFFF (0x1u << 4) /**< \brief (TWI_FIMR) RXFFF Interrupt Mask */ #define TWI_FIMR_RXFTHF (0x1u << 5) /**< \brief (TWI_FIMR) RXFTHF Interrupt Mask */ #define TWI_FIMR_TXFPTEF (0x1u << 6) /**< \brief (TWI_FIMR) TXFPTEF Interrupt Mask */ #define TWI_FIMR_RXFPTEF (0x1u << 7) /**< \brief (TWI_FIMR) RXFPTEF Interrupt Mask */ /* -------- TWI_DR : (TWI Offset: 0xD0) Debug Register -------- */ #define TWI_DR_SWEN (0x1u << 0) /**< \brief (TWI_DR) SleepWalking Enable */ #define TWI_DR_CLKRQ (0x1u << 1) /**< \brief (TWI_DR) Clock Request */ #define TWI_DR_SWMATCH (0x1u << 2) /**< \brief (TWI_DR) SleepWalking Match */ #define TWI_DR_TRP (0x1u << 3) /**< \brief (TWI_DR) Transfer Pending */ /* -------- TWI_WPMR : (TWI Offset: 0xE4) Write Protection Mode Register -------- */ #define TWI_WPMR_WPEN (0x1u << 0) /**< \brief (TWI_WPMR) Write Protection Enable */ #define TWI_WPMR_WPKEY_Pos 8 #define TWI_WPMR_WPKEY_Msk (0xffffffu << TWI_WPMR_WPKEY_Pos) /**< \brief (TWI_WPMR) Write Protection Key */ #define TWI_WPMR_WPKEY(value) ((TWI_WPMR_WPKEY_Msk & ((value) << TWI_WPMR_WPKEY_Pos))) #define TWI_WPMR_WPKEY_PASSWD (0x545749u << 8) /**< \brief (TWI_WPMR) Writing any other value in this field aborts the write operation of the WPEN bit.Always reads as 0 */ /* -------- TWI_WPSR : (TWI Offset: 0xE8) Write Protection Status Register -------- */ #define TWI_WPSR_WPVS (0x1u << 0) /**< \brief (TWI_WPSR) Write Protection Violation Status */ #define TWI_WPSR_WPVSRC_Pos 8 #define TWI_WPSR_WPVSRC_Msk (0xffffffu << TWI_WPSR_WPVSRC_Pos) /**< \brief (TWI_WPSR) Write Protection Violation Source */ /*@}*/ #endif /* _SAMA5D2_TWI_COMPONENT_ */