/** * \file * * \brief Component description for TRNG * * Copyright (c) 2014-2015 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 * */ /* * Support and FAQ: visit Atmel Support */ #ifndef _SAML21_TRNG_COMPONENT_ #define _SAML21_TRNG_COMPONENT_ /* ========================================================================== */ /** SOFTWARE API DEFINITION FOR TRNG */ /* ========================================================================== */ /** \addtogroup SAML21_TRNG True Random Generator */ /*@{*/ #define TRNG_U2242 #define REV_TRNG 0x100 /* -------- TRNG_CTRLA : (TRNG Offset: 0x00) (R/W 8) Control A -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t :1; /*!< bit: 0 Reserved */ uint8_t ENABLE:1; /*!< bit: 1 Enable */ uint8_t :4; /*!< bit: 2.. 5 Reserved */ uint8_t RUNSTDBY:1; /*!< bit: 6 Run in Standby */ uint8_t :1; /*!< bit: 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } TRNG_CTRLA_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define TRNG_CTRLA_OFFSET 0x00 /**< \brief (TRNG_CTRLA offset) Control A */ #define TRNG_CTRLA_RESETVALUE 0x00ul /**< \brief (TRNG_CTRLA reset_value) Control A */ #define TRNG_CTRLA_ENABLE_Pos 1 /**< \brief (TRNG_CTRLA) Enable */ #define TRNG_CTRLA_ENABLE (0x1ul << TRNG_CTRLA_ENABLE_Pos) #define TRNG_CTRLA_RUNSTDBY_Pos 6 /**< \brief (TRNG_CTRLA) Run in Standby */ #define TRNG_CTRLA_RUNSTDBY (0x1ul << TRNG_CTRLA_RUNSTDBY_Pos) #define TRNG_CTRLA_MASK 0x42ul /**< \brief (TRNG_CTRLA) MASK Register */ /* -------- TRNG_EVCTRL : (TRNG Offset: 0x04) (R/W 8) Event Control -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t DATARDYEO:1; /*!< bit: 0 Data Ready Event Output */ uint8_t :7; /*!< bit: 1.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } TRNG_EVCTRL_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define TRNG_EVCTRL_OFFSET 0x04 /**< \brief (TRNG_EVCTRL offset) Event Control */ #define TRNG_EVCTRL_RESETVALUE 0x00ul /**< \brief (TRNG_EVCTRL reset_value) Event Control */ #define TRNG_EVCTRL_DATARDYEO_Pos 0 /**< \brief (TRNG_EVCTRL) Data Ready Event Output */ #define TRNG_EVCTRL_DATARDYEO (0x1ul << TRNG_EVCTRL_DATARDYEO_Pos) #define TRNG_EVCTRL_MASK 0x01ul /**< \brief (TRNG_EVCTRL) MASK Register */ /* -------- TRNG_INTENCLR : (TRNG Offset: 0x08) (R/W 8) Interrupt Enable Clear -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t DATARDY:1; /*!< bit: 0 Data Ready Interrupt Enable */ uint8_t :7; /*!< bit: 1.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } TRNG_INTENCLR_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define TRNG_INTENCLR_OFFSET 0x08 /**< \brief (TRNG_INTENCLR offset) Interrupt Enable Clear */ #define TRNG_INTENCLR_RESETVALUE 0x00ul /**< \brief (TRNG_INTENCLR reset_value) Interrupt Enable Clear */ #define TRNG_INTENCLR_DATARDY_Pos 0 /**< \brief (TRNG_INTENCLR) Data Ready Interrupt Enable */ #define TRNG_INTENCLR_DATARDY (0x1ul << TRNG_INTENCLR_DATARDY_Pos) #define TRNG_INTENCLR_MASK 0x01ul /**< \brief (TRNG_INTENCLR) MASK Register */ /* -------- TRNG_INTENSET : (TRNG Offset: 0x09) (R/W 8) Interrupt Enable Set -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t DATARDY:1; /*!< bit: 0 Data Ready Interrupt Enable */ uint8_t :7; /*!< bit: 1.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } TRNG_INTENSET_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define TRNG_INTENSET_OFFSET 0x09 /**< \brief (TRNG_INTENSET offset) Interrupt Enable Set */ #define TRNG_INTENSET_RESETVALUE 0x00ul /**< \brief (TRNG_INTENSET reset_value) Interrupt Enable Set */ #define TRNG_INTENSET_DATARDY_Pos 0 /**< \brief (TRNG_INTENSET) Data Ready Interrupt Enable */ #define TRNG_INTENSET_DATARDY (0x1ul << TRNG_INTENSET_DATARDY_Pos) #define TRNG_INTENSET_MASK 0x01ul /**< \brief (TRNG_INTENSET) MASK Register */ /* -------- TRNG_INTFLAG : (TRNG Offset: 0x0A) (R/W 8) Interrupt Flag Status and Clear -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint8_t DATARDY:1; /*!< bit: 0 Data Ready Interrupt Flag */ uint8_t :7; /*!< bit: 1.. 7 Reserved */ } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } TRNG_INTFLAG_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define TRNG_INTFLAG_OFFSET 0x0A /**< \brief (TRNG_INTFLAG offset) Interrupt Flag Status and Clear */ #define TRNG_INTFLAG_RESETVALUE 0x00ul /**< \brief (TRNG_INTFLAG reset_value) Interrupt Flag Status and Clear */ #define TRNG_INTFLAG_DATARDY_Pos 0 /**< \brief (TRNG_INTFLAG) Data Ready Interrupt Flag */ #define TRNG_INTFLAG_DATARDY (0x1ul << TRNG_INTFLAG_DATARDY_Pos) #define TRNG_INTFLAG_MASK 0x01ul /**< \brief (TRNG_INTFLAG) MASK Register */ /* -------- TRNG_DATA : (TRNG Offset: 0x20) (R/ 32) Output Data -------- */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef union { struct { uint32_t DATA:32; /*!< bit: 0..31 Output Data */ } bit; /*!< Structure used for bit access */ uint32_t reg; /*!< Type used for register access */ } TRNG_DATA_Type; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ #define TRNG_DATA_OFFSET 0x20 /**< \brief (TRNG_DATA offset) Output Data */ #define TRNG_DATA_RESETVALUE 0x00000000ul /**< \brief (TRNG_DATA reset_value) Output Data */ #define TRNG_DATA_DATA_Pos 0 /**< \brief (TRNG_DATA) Output Data */ #define TRNG_DATA_DATA_Msk (0xFFFFFFFFul << TRNG_DATA_DATA_Pos) #define TRNG_DATA_DATA(value) ((TRNG_DATA_DATA_Msk & ((value) << TRNG_DATA_DATA_Pos))) #define TRNG_DATA_MASK 0xFFFFFFFFul /**< \brief (TRNG_DATA) MASK Register */ /** \brief TRNG hardware registers */ #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) typedef struct { __IO TRNG_CTRLA_Type CTRLA; /**< \brief Offset: 0x00 (R/W 8) Control A */ RoReg8 Reserved1[0x3]; __IO TRNG_EVCTRL_Type EVCTRL; /**< \brief Offset: 0x04 (R/W 8) Event Control */ RoReg8 Reserved2[0x3]; __IO TRNG_INTENCLR_Type INTENCLR; /**< \brief Offset: 0x08 (R/W 8) Interrupt Enable Clear */ __IO TRNG_INTENSET_Type INTENSET; /**< \brief Offset: 0x09 (R/W 8) Interrupt Enable Set */ __IO TRNG_INTFLAG_Type INTFLAG; /**< \brief Offset: 0x0A (R/W 8) Interrupt Flag Status and Clear */ RoReg8 Reserved3[0x15]; __I TRNG_DATA_Type DATA; /**< \brief Offset: 0x20 (R/ 32) Output Data */ } Trng; #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ /*@}*/ #endif /* _SAML21_TRNG_COMPONENT_ */