STM32 RCC helper driver implemented.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3321 35acf78f-673a-0410-8e92-d51de3d6d3f4
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gdisirio
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file STM32F1xx/stm32_rcc.h
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* @brief RCC helper driver header.
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* @note This file requires definitions from the ST header file
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* @p stm32f10x.h.
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*
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* @addtogroup STM32_RCC
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* @{
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*/
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#ifndef _STM32_RCC_
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#define _STM32_RCC_
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/**
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* @name Generic RCC operations
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* @{
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*/
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/**
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* @brief Enables the clock of one or more peripheral on the APB1 bus.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] mask APB1 peripherals mask
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableAPB1(mask, lp) { \
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RCC->APB1ENR |= (mask); \
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}
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/**
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* @brief Disables the clock of one or more peripheral on the APB1 bus.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] mask APB1 peripherals mask
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableAPB1(mask, lp) { \
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RCC->APB1ENR &= ~(mask); \
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}
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/**
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* @brief Resets one or more peripheral on the APB1 bus.
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*
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* @param[in] mask APB1 peripherals mask
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*
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* @api
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*/
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#define rccResetAPB1(mask) { \
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RCC->APB1RSTR |= (mask); \
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RCC->APB1RSTR = 0; \
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}
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/**
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* @brief Enables the clock of one or more peripheral on the APB2 bus.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] mask APB2 peripherals mask
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableAPB2(mask, lp) { \
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RCC->APB2ENR |= (mask); \
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}
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/**
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* @brief Disables the clock of one or more peripheral on the APB2 bus.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] mask APB2 peripherals mask
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableAPB2(mask, lp) { \
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RCC->APB2ENR &= ~(mask); \
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}
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/**
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* @brief Resets one or more peripheral on the APB2 bus.
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*
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* @param[in] mask APB2 peripherals mask
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*
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* @api
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*/
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#define rccResetAPB2(mask) { \
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RCC->APB2RSTR |= (mask); \
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RCC->APB2RSTR = 0; \
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}
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/**
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* @brief Enables the clock of one or more peripheral on the AHB bus.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] mask AHB peripherals mask
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableAHB(mask, lp) { \
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RCC->AHBENR |= (mask); \
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}
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/**
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* @brief Disables the clock of one or more peripheral on the AHB bus.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] mask AHB peripherals mask
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableAHB(mask, lp) { \
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RCC->AHBENR &= ~(mask); \
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}
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/**
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* @brief Resets one or more peripheral on the AHB bus.
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*
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* @param[in] mask AHB peripherals mask
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*
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* @api
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*/
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#define rccResetAHB(mask) { \
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RCC->AHBRSTR |= (mask); \
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RCC->AHBRSTR = 0; \
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}
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/** @} */
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/**
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* @brief ADC peripherals specific RCC operations
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* @{
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*/
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/**
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* @brief Enables the ADC1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
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/**
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* @brief Disables the ADC1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
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/**
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* @brief Resets the ADC1 peripheral.
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*
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* @api
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*/
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#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
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/** @} */
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/**
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* @brief CAN peripherals specific RCC operations
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* @{
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*/
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/**
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* @brief Enables the CAN1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
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/**
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* @brief Disables the CAN1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp)
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/**
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* @brief Resets the CAN1 peripheral.
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*
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* @api
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*/
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#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST)
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/** @} */
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/**
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* @brief DMA peripherals specific RCC operations
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* @{
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*/
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/**
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* @brief Enables the DMA1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
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/**
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* @brief Disables the DMA1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
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/**
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* @brief Resets the DMA1 peripheral.
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* @note Not supported in this family, does nothing.
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*
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* @api
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*/
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#define rccResetDMA1()
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/**
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* @brief Enables the DMA2 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHBENR_DMA2EN, lp)
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/**
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* @brief Disables the DMA2 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHBENR_DMA2EN, lp)
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/**
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* @brief Resets the DMA1 peripheral.
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* @note Not supported in this family, does nothing.
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*
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* @api
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*/
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#define rccResetDMA2()
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/** @} */
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/**
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* @brief ETH peripheral specific RCC operations
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* @{
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*/
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/**
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* @brief Enables the ETH peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableETH(lp) rccEnableAHB(RCC_AHBENR_ETHMACEN | \
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RCC_AHBENR_ETHMACTXEN | \
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RCC_AHBENR_ETHMACRXEN, lp)
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/**
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* @brief Disables the ETH peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableETH(lp) rccDisableAHB(RCC_AHBENR_ETHMACEN | \
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RCC_AHBENR_ETHMACTXEN | \
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RCC_AHBENR_ETHMACRXEN, lp)
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/**
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* @brief Resets the ETH peripheral.
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*
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* @api
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*/
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#define rccResetETH() rccResetAHB(RCC_AHBRSTR_ETHMACRST)
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/** @} */
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/**
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* @brief I2c peripherals specific RCC operations
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* @{
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*/
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/**
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* @brief Enables the I2C1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
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/**
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* @brief Disables the I2C1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
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/**
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* @brief Resets the I2C1 peripheral.
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*
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* @api
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*/
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#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
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/**
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* @brief Enables the I2C2 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
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/**
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* @brief Disables the I2C2 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
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/**
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* @brief Resets the I2C2 peripheral.
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*
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* @api
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*/
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#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
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/** @} */
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/**
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* @brief SDIO peripheral specific RCC operations
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* @{
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*/
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/**
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* @brief Enables the SDIO peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableSDIO(lp) rccEnableAHB(RCC_AHBENR_SDIOEN, lp)
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/**
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* @brief Disables the SDIO peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableSDIO(lp) rccDisableAHB(RCC_AHBENR_SDIOEN, lp)
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/**
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* @brief Resets the SDIO peripheral.
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* @note Not supported in this family, does nothing.
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*
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* @api
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*/
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#define rccResetSDIO()
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/** @} */
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/**
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* @brief SPI peripherals specific RCC operations
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* @{
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*/
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/**
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* @brief Enables the SPI1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
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/**
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* @brief Disables the SPI1 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
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*
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* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
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/**
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* @brief Resets the SPI1 peripheral.
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*
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* @api
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*/
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#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
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/**
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* @brief Enables the SPI2 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
|
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*
|
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* @param[in] lp low power enable flag
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*
|
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* @api
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*/
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#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
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/**
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* @brief Disables the SPI2 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
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*
|
||||
* @api
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*/
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#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
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/**
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* @brief Resets the SPI2 peripheral.
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*
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* @api
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*/
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#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
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/**
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* @brief Enables the SPI3 peripheral clock.
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* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
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*
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* @api
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*/
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#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
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/**
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* @brief Disables the SPI3 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp)
|
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|
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/**
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* @brief Resets the SPI3 peripheral.
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||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
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/** @} */
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/**
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* @brief TIM peripherals specific RCC operations
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||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the TIM1 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM1 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM1 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the TIM2 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM2 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM2 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the TIM3 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM3 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM3 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the TIM4 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM4 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM4 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the TIM5 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM5(lp) rccEnableAPB1(RCC_APB1ENR_TIM5EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM5 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM5(lp) rccDisableAPB1(RCC_APB1ENR_TIM5EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM5 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM5() rccResetAPB1(RCC_APB1RSTR_TIM5RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the TIM8 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM8(lp) rccEnableAPB2(RCC_APB2ENR_TIM8EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM8 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM8(lp) rccDisableAPB2(RCC_APB2ENR_TIM8EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM8 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM8() rccResetAPB2(RCC_APB2RSTR_TIM8RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief USART/UART peripherals specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the USART1 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USART1 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USART1 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the USART2 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USART2 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USART2 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the USART3 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USART3 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USART3 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the UART4 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUART4(lp) rccEnableAPB1(RCC_APB1ENR_UART4EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the UART4 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUART4(lp) rccDisableAPB1(RCC_APB1ENR_UART4EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the UART4 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUART4() rccResetAPB1(RCC_APB1RSTR_UART4RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the UART5 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUART5(lp) rccEnableAPB1(RCC_APB1ENR_UART5EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the UART5 peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUART5(lp) rccDisableAPB1(RCC_APB1ENR_UART5EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the UART5 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUART5() rccResetAPB1(RCC_APB1RSTR_UART5RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief USB peripheral specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the USB peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USB peripheral clock.
|
||||
* @note The @p lp parameter is ignored in this family.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USB peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST)
|
||||
/** @} */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _STM32_RCC_ */
|
||||
|
||||
/** @} */
|
||||
|
|
@ -59,10 +59,9 @@
|
|||
void hal_lld_init(void) {
|
||||
|
||||
/* Reset of all peripherals.*/
|
||||
// RCC->APB1RSTR = 0xFFFFFFFF;
|
||||
// RCC->APB2RSTR = 0xFFFFFFFF;
|
||||
// RCC->APB1RSTR = 0;
|
||||
// RCC->APB2RSTR = 0;
|
||||
rccResetAHB(!RCC_AHBRSTR_FLITFRST);
|
||||
rccResetAPB1(!0);
|
||||
rccResetAPB2(!RCC_APB2RSTR_SYSCFGRST);
|
||||
|
||||
/* SysTick initialization using the system clock.*/
|
||||
SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,552 @@
|
|||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
||||
2011 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
ChibiOS/RT 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 General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file STM32L1xx/stm32_rcc.h
|
||||
* @brief RCC helper driver header.
|
||||
* @note This file requires definitions from the ST header file
|
||||
* @p stm32l1xx.h.
|
||||
*
|
||||
* @addtogroup STM32_RCC
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef _STM32_RCC_
|
||||
#define _STM32_RCC_
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver constants. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver pre-compile time settings. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Derived constants and error checks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver data structures and types. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver macros. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @name Generic RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the clock of one or more peripheral on the APB1 bus.
|
||||
*
|
||||
* @param[in] mask APB1 peripherals mask
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableAPB1(mask, lp) { \
|
||||
RCC->APB1ENR |= (mask); \
|
||||
if (lp) \
|
||||
RCC->APB1LPENR |= (mask); \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Disables the clock of one or more peripheral on the APB1 bus.
|
||||
*
|
||||
* @param[in] mask APB1 peripherals mask
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableAPB1(mask, lp) { \
|
||||
RCC->APB1ENR &= ~(mask); \
|
||||
if (lp) \
|
||||
RCC->APB1LPENR &= ~(mask); \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Resets one or more peripheral on the APB1 bus.
|
||||
*
|
||||
* @param[in] mask APB1 peripherals mask
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetAPB1(mask) { \
|
||||
RCC->APB1RSTR |= (mask); \
|
||||
RCC->APB1RSTR = 0; \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Enables the clock of one or more peripheral on the APB2 bus.
|
||||
*
|
||||
* @param[in] mask APB2 peripherals mask
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableAPB2(mask, lp) { \
|
||||
RCC->APB2ENR |= (mask); \
|
||||
if (lp) \
|
||||
RCC->APB2LPENR |= (mask); \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Disables the clock of one or more peripheral on the APB2 bus.
|
||||
*
|
||||
* @param[in] mask APB2 peripherals mask
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableAPB2(mask, lp) { \
|
||||
RCC->APB2ENR &= ~(mask); \
|
||||
if (lp) \
|
||||
RCC->APB2LPENR &= ~(mask); \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Resets one or more peripheral on the APB2 bus.
|
||||
*
|
||||
* @param[in] mask APB2 peripherals mask
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetAPB2(mask) { \
|
||||
RCC->APB2RSTR |= (mask); \
|
||||
RCC->APB2RSTR = 0; \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Enables the clock of one or more peripheral on the AHB bus.
|
||||
*
|
||||
* @param[in] mask AHB peripherals mask
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableAHB(mask, lp) { \
|
||||
RCC->AHBENR |= (mask); \
|
||||
if (lp) \
|
||||
RCC->AHBLPENR |= (mask); \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Disables the clock of one or more peripheral on the AHB bus.
|
||||
*
|
||||
* @param[in] mask AHB peripherals mask
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableAHB(mask, lp) { \
|
||||
RCC->AHBENR &= ~(mask); \
|
||||
if (lp) \
|
||||
RCC->AHBLPENR &= ~(mask); \
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Resets one or more peripheral on the AHB bus.
|
||||
*
|
||||
* @param[in] mask AHB peripherals mask
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetAHB(mask) { \
|
||||
RCC->AHBRSTR |= (mask); \
|
||||
RCC->AHBRSTR = 0; \
|
||||
}
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief ADC peripherals specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the ADC1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the ADC1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the ADC1 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief DMA peripheral specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the DMA1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the DMA1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the DMA1 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetDMA1() rccResetAHB(RCC_AHBRSTR_DMA1RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief I2c peripherals specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the I2C1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the I2C1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the I2C1 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the I2C2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the I2C2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the I2C2 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief SPI peripherals specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the SPI1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the SPI1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the SPI1 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the SPI2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the SPI2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the SPI2 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief TIM peripherals specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the TIM2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM2 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the TIM3 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM3 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM3 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the TIM4 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the TIM4 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the TIM4 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief USART/UART peripherals specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the USART1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USART1 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USART1 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the USART2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USART2 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USART2 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
|
||||
|
||||
/**
|
||||
* @brief Enables the USART3 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USART3 peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USART3 peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @brief USB peripheral specific RCC operations
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief Enables the USB peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp)
|
||||
|
||||
/**
|
||||
* @brief Disables the USB peripheral clock.
|
||||
*
|
||||
* @param[in] lp low power enable flag
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp)
|
||||
|
||||
/**
|
||||
* @brief Resets the USB peripheral.
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST)
|
||||
/** @} */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _STM32_RCC_ */
|
||||
|
||||
/** @} */
|
||||
Loading…
Reference in New Issue