/** * \file * * \brief Component description for TRNG * * Copyright (c) 2016 Atmel Corporation, * a wholly owned subsidiary of Microchip Technology Inc. * * \asf_license_start * * \page License * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the Licence at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * \asf_license_stop * */ #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 _U(0x00) /**< \brief (TRNG_CTRLA reset_value) Control A */ #define TRNG_CTRLA_ENABLE_Pos 1 /**< \brief (TRNG_CTRLA) Enable */ #define TRNG_CTRLA_ENABLE (_U(0x1) << TRNG_CTRLA_ENABLE_Pos) #define TRNG_CTRLA_RUNSTDBY_Pos 6 /**< \brief (TRNG_CTRLA) Run in Standby */ #define TRNG_CTRLA_RUNSTDBY (_U(0x1) << TRNG_CTRLA_RUNSTDBY_Pos) #define TRNG_CTRLA_MASK _U(0x42) /**< \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 _U(0x00) /**< \brief (TRNG_EVCTRL reset_value) Event Control */ #define TRNG_EVCTRL_DATARDYEO_Pos 0 /**< \brief (TRNG_EVCTRL) Data Ready Event Output */ #define TRNG_EVCTRL_DATARDYEO (_U(0x1) << TRNG_EVCTRL_DATARDYEO_Pos) #define TRNG_EVCTRL_MASK _U(0x01) /**< \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 _U(0x00) /**< \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 (_U(0x1) << TRNG_INTENCLR_DATARDY_Pos) #define TRNG_INTENCLR_MASK _U(0x01) /**< \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 _U(0x00) /**< \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 (_U(0x1) << TRNG_INTENSET_DATARDY_Pos) #define TRNG_INTENSET_MASK _U(0x01) /**< \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 { // __I to avoid read-modify-write on write-to-clear register struct { __I uint8_t DATARDY:1; /*!< bit: 0 Data Ready Interrupt Flag */ __I 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 _U(0x00) /**< \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 (_U(0x1) << TRNG_INTFLAG_DATARDY_Pos) #define TRNG_INTFLAG_MASK _U(0x01) /**< \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 _U(0x00000000) /**< \brief (TRNG_DATA reset_value) Output Data */ #define TRNG_DATA_DATA_Pos 0 /**< \brief (TRNG_DATA) Output Data */ #define TRNG_DATA_DATA_Msk (_U(0xFFFFFFFF) << TRNG_DATA_DATA_Pos) #define TRNG_DATA_DATA(value) (TRNG_DATA_DATA_Msk & ((value) << TRNG_DATA_DATA_Pos)) #define TRNG_DATA_MASK _U(0xFFFFFFFF) /**< \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_ */