/** @defgroup CRS_defines CRS Defines * * @brief STM32 Clock Recovery System: Defined Constants and Types * * @ingroup STM32_defines * * @version 1.0.0 * * @date 5 Feb 2014 * * LGPL License Terms @ref lgpl_license */ /* * This file is part of the libopencm3 project. * * Copyright (C) 2014 Frantisek Burian * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see . */ #ifndef LIBOPENCM3_CRS_H #define LIBOPENCM3_CRS_H /**@{*/ /*****************************************************************************/ /* Module definitions */ /*****************************************************************************/ #define CRS CRS_BASE /*****************************************************************************/ /* Register definitions */ /*****************************************************************************/ #define CRS_CR MMIO32(CRS_BASE + 0x00) #define CRS_CFGR MMIO32(CRS_BASE + 0x04) #define CRS_ISR MMIO32(CRS_BASE + 0x08) #define CRS_ICR MMIO32(CRS_BASE + 0x0c) /*****************************************************************************/ /* Register values */ /*****************************************************************************/ /* CEC_CR Values ------------------------------------------------------------*/ #define CRS_CR_TRIM_SHIFT 8 #define CRS_CR_TRIM (0x3F << CRS_CR_TRIM_SHIFT) #define CRS_CR_SWSYNC (1 << 7) #define CRS_CR_AUTOTRIMEN (1 << 6) #define CRS_CR_CEN (1 << 5) #define CRS_CR_ESYNCIE (1 << 3) #define CRS_CR_ERRIE (1 << 2) #define CRS_CR_SYNCWARNIE (1 << 1) #define CRS_CR_SYNCOKIE (1 << 0) /* CEC_CFGR Values ----------------------------------------------------------*/ #define CRS_CFGR_SYNCPOL (1 << 31) #define CRS_CFGR_SYNCSRC_SHIFT 28 #define CRS_CFGR_SYNCSRC (3 << CRS_CFGR_SYNCSRC_SHIFT) #define CRS_CFGR_SYNCSRC_GPIO (0 << CRS_CFGR_SYNCSRC_SHIFT) #define CRS_CFGR_SYNCSRC_LSE (1 << CRS_CFGR_SYNCSRC_SHIFT) #define CRS_CFGR_SYNCSRC_USB_SOF (2 << CRS_CFGR_SYNCSRC_SHIFT) #define CRS_CFGR_SYNCDIV_SHIFT 24 #define CRS_CFGR_SYNCDIV (7 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_NODIV (0 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_DIV2 (1 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_DIV4 (2 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_DIV8 (3 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_DIV16 (4 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_DIV32 (5 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_DIV64 (6 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_SYNCDIV_DIV128 (7 << CRS_CFGR_SYNCDIV_SHIFT) #define CRS_CFGR_FELIM_SHIFT 16 #define CRS_CFGR_FELIM (0xFF << CRS_CFGR_FELIM_SHIFT) #define CRS_CFGR_FELIM_VAL(x) ((x) << CRS_CFGR_FELIM_SHIFT) #define CRS_CFGR_RELOAD_SHIFT 0 #define CRS_CFGR_RELOAD (0xFFFF << CRS_CFGR_RELOAD_SHIFT) #define CRS_CFGR_RELOAD_VAL(x) ((x) << CRS_CFGR_RELOAD_SHIFT) /* CEC_ISR Values -----------------------------------------------------------*/ #define CRS_ISR_FECAP_SHIFT 16 #define CRS_ISR_FECAP (0xFFFF << CRS_ISR_FECAP_SHIFT) #define CRS_ISR_FEDIR (1 << 15) #define CRS_ISR_TRIMOVF (1 << 10) #define CRS_ISR_SYNCMISS (1 << 9) #define CRS_ISR_SYNCERR (1 << 8) #define CRS_ISR_ESYNCF (1 << 3) #define CRS_ISR_ERRF (1 << 2) #define CRS_ISR_SYNCWARNF (1 << 1) #define CRS_ISR_SYNCOOKF (1 << 0) /* CEC_ICR Values -----------------------------------------------------------*/ #define CRS_ICR_ESYNCC (1 << 3) #define CRS_ICR_ERRC (1 << 2) #define CRS_ICR_SYNCWARNC (1 << 1) #define CRS_ICR_SYNCOKC (1 << 0) /*****************************************************************************/ /* API definitions */ /*****************************************************************************/ /*****************************************************************************/ /* API Functions */ /*****************************************************************************/ BEGIN_DECLS void crs_autotrim_usb_enable(void); END_DECLS /**@}*/ #endif