1 /* ---------------------------------------------------------------------------- */ 2 /* Atmel Microcontroller Software Support */ 3 /* SAM Software Package License */ 4 /* ---------------------------------------------------------------------------- */ 5 /* Copyright (c) %copyright_year%, Atmel Corporation */ 6 /* */ 7 /* All rights reserved. */ 8 /* */ 9 /* Redistribution and use in source and binary forms, with or without */ 10 /* modification, are permitted provided that the following condition is met: */ 11 /* */ 12 /* - Redistributions of source code must retain the above copyright notice, */ 13 /* this list of conditions and the disclaimer below. */ 14 /* */ 15 /* Atmel's name may not be used to endorse or promote products derived from */ 16 /* this software without specific prior written permission. */ 17 /* */ 18 /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ 19 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ 20 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ 21 /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ 22 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ 23 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ 24 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ 25 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ 26 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ 27 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 28 /* ---------------------------------------------------------------------------- */ 29 30 #ifndef _SAM4E_RTT_COMPONENT_ 31 #define _SAM4E_RTT_COMPONENT_ 32 33 /* ============================================================================= */ 34 /** SOFTWARE API DEFINITION FOR Real-time Timer */ 35 /* ============================================================================= */ 36 /** \addtogroup SAM4E_RTT Real-time Timer */ 37 /*@{*/ 38 39 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 40 /** \brief Rtt hardware registers */ 41 typedef struct { 42 RwReg RTT_MR; /**< \brief (Rtt Offset: 0x00) Mode Register */ 43 RwReg RTT_AR; /**< \brief (Rtt Offset: 0x04) Alarm Register */ 44 RoReg RTT_VR; /**< \brief (Rtt Offset: 0x08) Value Register */ 45 RoReg RTT_SR; /**< \brief (Rtt Offset: 0x0C) Status Register */ 46 } Rtt; 47 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 48 /* -------- RTT_MR : (RTT Offset: 0x00) Mode Register -------- */ 49 #define RTT_MR_RTPRES_Pos 0 50 #define RTT_MR_RTPRES_Msk (0xffffu << RTT_MR_RTPRES_Pos) /**< \brief (RTT_MR) Real-time Timer Prescaler Value */ 51 #define RTT_MR_RTPRES(value) ((RTT_MR_RTPRES_Msk & ((value) << RTT_MR_RTPRES_Pos))) 52 #define RTT_MR_ALMIEN (0x1u << 16) /**< \brief (RTT_MR) Alarm Interrupt Enable */ 53 #define RTT_MR_RTTINCIEN (0x1u << 17) /**< \brief (RTT_MR) Real-time Timer Increment Interrupt Enable */ 54 #define RTT_MR_RTTRST (0x1u << 18) /**< \brief (RTT_MR) Real-time Timer Restart */ 55 #define RTT_MR_RTTDIS (0x1u << 20) /**< \brief (RTT_MR) Real-time Timer Disable */ 56 #define RTT_MR_RTC1HZ (0x1u << 24) /**< \brief (RTT_MR) Real-Time Clock 1Hz Clock Selection */ 57 /* -------- RTT_AR : (RTT Offset: 0x04) Alarm Register -------- */ 58 #define RTT_AR_ALMV_Pos 0 59 #define RTT_AR_ALMV_Msk (0xffffffffu << RTT_AR_ALMV_Pos) /**< \brief (RTT_AR) Alarm Value */ 60 #define RTT_AR_ALMV(value) ((RTT_AR_ALMV_Msk & ((value) << RTT_AR_ALMV_Pos))) 61 /* -------- RTT_VR : (RTT Offset: 0x08) Value Register -------- */ 62 #define RTT_VR_CRTV_Pos 0 63 #define RTT_VR_CRTV_Msk (0xffffffffu << RTT_VR_CRTV_Pos) /**< \brief (RTT_VR) Current Real-time Value */ 64 /* -------- RTT_SR : (RTT Offset: 0x0C) Status Register -------- */ 65 #define RTT_SR_ALMS (0x1u << 0) /**< \brief (RTT_SR) Real-time Alarm Status */ 66 #define RTT_SR_RTTINC (0x1u << 1) /**< \brief (RTT_SR) Real-time Timer Increment */ 67 68 /*@}*/ 69 70 71 #endif /* _SAM4E_RTT_COMPONENT_ */ 72
