/** * \file * * \brief Component description for DAC * * Copyright (c) 2014 Atmel Corporation. All rights reserved. * * \asf_license_start * * \page License * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The name of Atmel may not be used to endorse or promote products derived * from this software without specific prior written permission. * * 4. This software may only be redistributed and used in connection with an * Atmel microcontroller product. * * 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 * EXPRESSLY AND SPECIFICALLY 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. * * \asf_license_stop * */ #ifndef _SAMD21_DAC_COMPONENT_ #define _SAMD21_DAC_COMPONENT_ /* ========================================================================== */ /** SOFTWARE API DEFINITION FOR DAC */ /* ========================================================================== */ /** \addtogroup SAMD21_DAC Digital Analog Converter */ /*@{*/ #define DAC_U2214 #define REV_DAC 0x110 /* -------- DAC_CTRLA : (DAC Offset: 0x0) (R/W 8) Control A -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t SWRST:1; /*!< bit: 0 Software Reset */ uint8_t ENABLE:1; /*!< bit: 1 Enable */ uint8_t RUNSTDBY:1; /*!< bit: 2 Run in Standby */ uint8_t :5; /*!< bit: 3.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } DAC_CTRLA_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_CTRLA_OFFSET 0x0 /**< \brief (DAC_CTRLA offset) Control A */ #define DAC_CTRLA_RESETVALUE 0x00 /**< \brief (DAC_CTRLA reset_value) Control A */ #define DAC_CTRLA_SWRST_Pos 0 /**< \brief (DAC_CTRLA) Software Reset */ #define DAC_CTRLA_SWRST (0x1u << DAC_CTRLA_SWRST_Pos) #define DAC_CTRLA_ENABLE_Pos 1 /**< \brief (DAC_CTRLA) Enable */ #define DAC_CTRLA_ENABLE (0x1u << DAC_CTRLA_ENABLE_Pos) #define DAC_CTRLA_RUNSTDBY_Pos 2 /**< \brief (DAC_CTRLA) Run in Standby */ #define DAC_CTRLA_RUNSTDBY (0x1u << DAC_CTRLA_RUNSTDBY_Pos) #define DAC_CTRLA_MASK 0x07u /**< \brief (DAC_CTRLA) MASK Register */ /* -------- DAC_CTRLB : (DAC Offset: 0x1) (R/W 8) Control B -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t EOEN:1; /*!< bit: 0 External Output Enable */ uint8_t IOEN:1; /*!< bit: 1 Internal Output Enable */ uint8_t LEFTADJ:1; /*!< bit: 2 Left Adjusted Data */ uint8_t VPD:1; /*!< bit: 3 Voltage Pump Disable */ uint8_t BDWP:1; /*!< bit: 4 Bypass DATABUF Write Protection */ uint8_t :1; /*!< bit: 5 Reserved */ uint8_t REFSEL:2; /*!< bit: 6.. 7 Reference Selection */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } DAC_CTRLB_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_CTRLB_OFFSET 0x1 /**< \brief (DAC_CTRLB offset) Control B */ #define DAC_CTRLB_RESETVALUE 0x00 /**< \brief (DAC_CTRLB reset_value) Control B */ #define DAC_CTRLB_EOEN_Pos 0 /**< \brief (DAC_CTRLB) External Output Enable */ #define DAC_CTRLB_EOEN (0x1u << DAC_CTRLB_EOEN_Pos) #define DAC_CTRLB_IOEN_Pos 1 /**< \brief (DAC_CTRLB) Internal Output Enable */ #define DAC_CTRLB_IOEN (0x1u << DAC_CTRLB_IOEN_Pos) #define DAC_CTRLB_LEFTADJ_Pos 2 /**< \brief (DAC_CTRLB) Left Adjusted Data */ #define DAC_CTRLB_LEFTADJ (0x1u << DAC_CTRLB_LEFTADJ_Pos) #define DAC_CTRLB_VPD_Pos 3 /**< \brief (DAC_CTRLB) Voltage Pump Disable */ #define DAC_CTRLB_VPD (0x1u << DAC_CTRLB_VPD_Pos) #define DAC_CTRLB_BDWP_Pos 4 /**< \brief (DAC_CTRLB) Bypass DATABUF Write Protection */ #define DAC_CTRLB_BDWP (0x1u << DAC_CTRLB_BDWP_Pos) #define DAC_CTRLB_REFSEL_Pos 6 /**< \brief (DAC_CTRLB) Reference Selection */ #define DAC_CTRLB_REFSEL_Msk (0x3u << DAC_CTRLB_REFSEL_Pos) #define DAC_CTRLB_REFSEL(value) ((DAC_CTRLB_REFSEL_Msk & ((value) << DAC_CTRLB_REFSEL_Pos))) #define DAC_CTRLB_REFSEL_INT1V_Val 0x0u /**< \brief (DAC_CTRLB) Internal 1.0V reference */ #define DAC_CTRLB_REFSEL_AVCC_Val 0x1u /**< \brief (DAC_CTRLB) AVCC */ #define DAC_CTRLB_REFSEL_VREFP_Val 0x2u /**< \brief (DAC_CTRLB) External reference */ #define DAC_CTRLB_REFSEL_INT1V (DAC_CTRLB_REFSEL_INT1V_Val << DAC_CTRLB_REFSEL_Pos) #define DAC_CTRLB_REFSEL_AVCC (DAC_CTRLB_REFSEL_AVCC_Val << DAC_CTRLB_REFSEL_Pos) #define DAC_CTRLB_REFSEL_VREFP (DAC_CTRLB_REFSEL_VREFP_Val << DAC_CTRLB_REFSEL_Pos) #define DAC_CTRLB_MASK 0xDFu /**< \brief (DAC_CTRLB) MASK Register */ /* -------- DAC_EVCTRL : (DAC Offset: 0x2) (R/W 8) Event Control -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t STARTEI:1; /*!< bit: 0 Start Conversion Event Input */ uint8_t EMPTYEO:1; /*!< bit: 1 Data Buffer Empty Event Output */ uint8_t :6; /*!< bit: 2.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } DAC_EVCTRL_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_EVCTRL_OFFSET 0x2 /**< \brief (DAC_EVCTRL offset) Event Control */ #define DAC_EVCTRL_RESETVALUE 0x00 /**< \brief (DAC_EVCTRL reset_value) Event Control */ #define DAC_EVCTRL_STARTEI_Pos 0 /**< \brief (DAC_EVCTRL) Start Conversion Event Input */ #define DAC_EVCTRL_STARTEI (0x1u << DAC_EVCTRL_STARTEI_Pos) #define DAC_EVCTRL_EMPTYEO_Pos 1 /**< \brief (DAC_EVCTRL) Data Buffer Empty Event Output */ #define DAC_EVCTRL_EMPTYEO (0x1u << DAC_EVCTRL_EMPTYEO_Pos) #define DAC_EVCTRL_MASK 0x03u /**< \brief (DAC_EVCTRL) MASK Register */ /* -------- DAC_INTENCLR : (DAC Offset: 0x4) (R/W 8) Interrupt Enable Clear -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t UNDERRUN:1; /*!< bit: 0 Underrun Interrupt Enable */ uint8_t EMPTY:1; /*!< bit: 1 Data Buffer Empty Interrupt Enable */ uint8_t SYNCRDY:1; /*!< bit: 2 Synchronization Ready Interrupt Enable */ uint8_t :5; /*!< bit: 3.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } DAC_INTENCLR_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_INTENCLR_OFFSET 0x4 /**< \brief (DAC_INTENCLR offset) Interrupt Enable Clear */ #define DAC_INTENCLR_RESETVALUE 0x00 /**< \brief (DAC_INTENCLR reset_value) Interrupt Enable Clear */ #define DAC_INTENCLR_UNDERRUN_Pos 0 /**< \brief (DAC_INTENCLR) Underrun Interrupt Enable */ #define DAC_INTENCLR_UNDERRUN (0x1u << DAC_INTENCLR_UNDERRUN_Pos) #define DAC_INTENCLR_EMPTY_Pos 1 /**< \brief (DAC_INTENCLR) Data Buffer Empty Interrupt Enable */ #define DAC_INTENCLR_EMPTY (0x1u << DAC_INTENCLR_EMPTY_Pos) #define DAC_INTENCLR_SYNCRDY_Pos 2 /**< \brief (DAC_INTENCLR) Synchronization Ready Interrupt Enable */ #define DAC_INTENCLR_SYNCRDY (0x1u << DAC_INTENCLR_SYNCRDY_Pos) #define DAC_INTENCLR_MASK 0x07u /**< \brief (DAC_INTENCLR) MASK Register */ /* -------- DAC_INTENSET : (DAC Offset: 0x5) (R/W 8) Interrupt Enable Set -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t UNDERRUN:1; /*!< bit: 0 Underrun Interrupt Enable */ uint8_t EMPTY:1; /*!< bit: 1 Data Buffer Empty Interrupt Enable */ uint8_t SYNCRDY:1; /*!< bit: 2 Synchronization Ready Interrupt Enable */ uint8_t :5; /*!< bit: 3.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } DAC_INTENSET_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_INTENSET_OFFSET 0x5 /**< \brief (DAC_INTENSET offset) Interrupt Enable Set */ #define DAC_INTENSET_RESETVALUE 0x00 /**< \brief (DAC_INTENSET reset_value) Interrupt Enable Set */ #define DAC_INTENSET_UNDERRUN_Pos 0 /**< \brief (DAC_INTENSET) Underrun Interrupt Enable */ #define DAC_INTENSET_UNDERRUN (0x1u << DAC_INTENSET_UNDERRUN_Pos) #define DAC_INTENSET_EMPTY_Pos 1 /**< \brief (DAC_INTENSET) Data Buffer Empty Interrupt Enable */ #define DAC_INTENSET_EMPTY (0x1u << DAC_INTENSET_EMPTY_Pos) #define DAC_INTENSET_SYNCRDY_Pos 2 /**< \brief (DAC_INTENSET) Synchronization Ready Interrupt Enable */ #define DAC_INTENSET_SYNCRDY (0x1u << DAC_INTENSET_SYNCRDY_Pos) #define DAC_INTENSET_MASK 0x07u /**< \brief (DAC_INTENSET) MASK Register */ /* -------- DAC_INTFLAG : (DAC Offset: 0x6) (R/W 8) Interrupt Flag Status and Clear -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t UNDERRUN:1; /*!< bit: 0 Underrun */ uint8_t EMPTY:1; /*!< bit: 1 Data Buffer Empty */ uint8_t SYNCRDY:1; /*!< bit: 2 Synchronization Ready */ uint8_t :5; /*!< bit: 3.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } DAC_INTFLAG_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_INTFLAG_OFFSET 0x6 /**< \brief (DAC_INTFLAG offset) Interrupt Flag Status and Clear */ #define DAC_INTFLAG_RESETVALUE 0x00 /**< \brief (DAC_INTFLAG reset_value) Interrupt Flag Status and Clear */ #define DAC_INTFLAG_UNDERRUN_Pos 0 /**< \brief (DAC_INTFLAG) Underrun */ #define DAC_INTFLAG_UNDERRUN (0x1u << DAC_INTFLAG_UNDERRUN_Pos) #define DAC_INTFLAG_EMPTY_Pos 1 /**< \brief (DAC_INTFLAG) Data Buffer Empty */ #define DAC_INTFLAG_EMPTY (0x1u << DAC_INTFLAG_EMPTY_Pos) #define DAC_INTFLAG_SYNCRDY_Pos 2 /**< \brief (DAC_INTFLAG) Synchronization Ready */ #define DAC_INTFLAG_SYNCRDY (0x1u << DAC_INTFLAG_SYNCRDY_Pos) #define DAC_INTFLAG_MASK 0x07u /**< \brief (DAC_INTFLAG) MASK Register */ /* -------- DAC_STATUS : (DAC Offset: 0x7) (R/ 8) Status -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t :7; /*!< bit: 0.. 6 Reserved */ uint8_t SYNCBUSY:1; /*!< bit: 7 Synchronization Busy Status */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } DAC_STATUS_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_STATUS_OFFSET 0x7 /**< \brief (DAC_STATUS offset) Status */ #define DAC_STATUS_RESETVALUE 0x00 /**< \brief (DAC_STATUS reset_value) Status */ #define DAC_STATUS_SYNCBUSY_Pos 7 /**< \brief (DAC_STATUS) Synchronization Busy Status */ #define DAC_STATUS_SYNCBUSY (0x1u << DAC_STATUS_SYNCBUSY_Pos) #define DAC_STATUS_MASK 0x80u /**< \brief (DAC_STATUS) MASK Register */ /* -------- DAC_DATA : (DAC Offset: 0x8) (R/W 16) Data -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint16_t DATA:16; /*!< bit: 0..15 Data value to be converted */ } bit; /*!< Structure used for bit access */ uint16_t reg; /*!< Type used for register access */ } DAC_DATA_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_DATA_OFFSET 0x8 /**< \brief (DAC_DATA offset) Data */ #define DAC_DATA_RESETVALUE 0x0000 /**< \brief (DAC_DATA reset_value) Data */ #define DAC_DATA_DATA_Pos 0 /**< \brief (DAC_DATA) Data value to be converted */ #define DAC_DATA_DATA_Msk (0xFFFFu << DAC_DATA_DATA_Pos) #define DAC_DATA_DATA(value) ((DAC_DATA_DATA_Msk & ((value) << DAC_DATA_DATA_Pos))) #define DAC_DATA_MASK 0xFFFFu /**< \brief (DAC_DATA) MASK Register */ /* -------- DAC_DATABUF : (DAC Offset: 0xC) (R/W 16) Data Buffer -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint16_t DATABUF:16; /*!< bit: 0..15 Data Buffer */ } bit; /*!< Structure used for bit access */ uint16_t reg; /*!< Type used for register access */ } DAC_DATABUF_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define DAC_DATABUF_OFFSET 0xC /**< \brief (DAC_DATABUF offset) Data Buffer */ #define DAC_DATABUF_RESETVALUE 0x0000 /**< \brief (DAC_DATABUF reset_value) Data Buffer */ #define DAC_DATABUF_DATABUF_Pos 0 /**< \brief (DAC_DATABUF) Data Buffer */ #define DAC_DATABUF_DATABUF_Msk (0xFFFFu << DAC_DATABUF_DATABUF_Pos) #define DAC_DATABUF_DATABUF(value) ((DAC_DATABUF_DATABUF_Msk & ((value) << DAC_DATABUF_DATABUF_Pos))) #define DAC_DATABUF_MASK 0xFFFFu /**< \brief (DAC_DATABUF) MASK Register */ /** \brief DAC hardware registers */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef struct { __IO DAC_CTRLA_Type CTRLA; /**< \brief Offset: 0x0 (R/W 8) Control A */ __IO DAC_CTRLB_Type CTRLB; /**< \brief Offset: 0x1 (R/W 8) Control B */ __IO DAC_EVCTRL_Type EVCTRL; /**< \brief Offset: 0x2 (R/W 8) Event Control */ RoReg8 Reserved1[0x1]; __IO DAC_INTENCLR_Type INTENCLR; /**< \brief Offset: 0x4 (R/W 8) Interrupt Enable Clear */ __IO DAC_INTENSET_Type INTENSET; /**< \brief Offset: 0x5 (R/W 8) Interrupt Enable Set */ __IO DAC_INTFLAG_Type INTFLAG; /**< \brief Offset: 0x6 (R/W 8) Interrupt Flag Status and Clear */ __I DAC_STATUS_Type STATUS; /**< \brief Offset: 0x7 (R/ 8) Status */ __IO DAC_DATA_Type DATA; /**< \brief Offset: 0x8 (R/W 16) Data */ RoReg8 Reserved2[0x2]; __IO DAC_DATABUF_Type DATABUF; /**< \brief Offset: 0xC (R/W 16) Data Buffer */ } Dac; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ /*@}*/ #endif /* _SAMD21_DAC_COMPONENT_ */