ChibiOS/os/hal/platforms/STM32F2xx/stm32_rcc.h

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27 KiB
C

/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 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 STM32F2xx/stm32_rcc.h
* @brief RCC helper driver header.
* @note This file requires definitions from the ST header file
* @p stm32f2xx.h.
*
* @addtogroup STM32F2xx_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 AHB1 bus.
*
* @param[in] mask AHB1 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableAHB1(mask, lp) { \
RCC->AHB1ENR |= (mask); \
if (lp) \
RCC->AHB1LPENR |= (mask); \
}
/**
* @brief Disables the clock of one or more peripheral on the AHB1 bus.
*
* @param[in] mask AHB1 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableAHB1(mask, lp) { \
RCC->AHB1ENR &= ~(mask); \
if (lp) \
RCC->AHB1LPENR &= ~(mask); \
}
/**
* @brief Resets one or more peripheral on the AHB1 bus.
*
* @param[in] mask AHB1 peripherals mask
*
* @api
*/
#define rccResetAHB1(mask) { \
RCC->AHB1RSTR |= (mask); \
RCC->AHB1RSTR = 0; \
}
/**
* @brief Enables the clock of one or more peripheral on the AHB2 bus.
*
* @param[in] mask AHB2 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableAHB2(mask, lp) { \
RCC->AHB2ENR |= (mask); \
if (lp) \
RCC->AHB2LPENR |= (mask); \
}
/**
* @brief Disables the clock of one or more peripheral on the AHB2 bus.
*
* @param[in] mask AHB2 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableAHB2(mask, lp) { \
RCC->AHB2ENR &= ~(mask); \
if (lp) \
RCC->AHB2LPENR &= ~(mask); \
}
/**
* @brief Resets one or more peripheral on the AHB2 bus.
*
* @param[in] mask AHB2 peripherals mask
*
* @api
*/
#define rccResetAHB2(mask) { \
RCC->AHB2RSTR |= (mask); \
RCC->AHB2RSTR = 0; \
}
/**
* @brief Enables the clock of one or more peripheral on the AHB3 (FSMC) bus.
*
* @param[in] mask AHB3 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableAHB3(mask, lp) { \
RCC->AHB3ENR |= (mask); \
if (lp) \
RCC->AHB3LPENR |= (mask); \
}
/**
* @brief Disables the clock of one or more peripheral on the AHB3 (FSMC) bus.
*
* @param[in] mask AHB3 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableAHB3(mask, lp) { \
RCC->AHB3ENR &= ~(mask); \
if (lp) \
RCC->AHB3LPENR &= ~(mask); \
}
/**
* @brief Resets one or more peripheral on the AHB3 (FSMC) bus.
*
* @param[in] mask AHB3 peripherals mask
*
* @api
*/
#define rccResetAHB3(mask) { \
RCC->AHB3RSTR |= (mask); \
RCC->AHB3RSTR = 0; \
}
/** @} */
/**
* @name 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 Enables the ADC2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableADC2(lp) rccEnableAPB2(RCC_APB2ENR_ADC2EN, lp)
/**
* @brief Disables the ADC2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableADC2(lp) rccDisableAPB2(RCC_APB2ENR_ADC2EN, lp)
/**
* @brief Resets the ADC2 peripheral.
*
* @api
*/
#define rccResetADC2() rccResetAPB2(RCC_APB2RSTR_ADC2RST)
/**
* @brief Enables the ADC3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableADC3(lp) rccEnableAPB2(RCC_APB2ENR_ADC3EN, lp)
/**
* @brief Disables the ADC3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableADC3(lp) rccDisableAPB2(RCC_APB2ENR_ADC3EN, lp)
/**
* @brief Resets the ADC3 peripheral.
*
* @api
*/
#define rccResetADC3() rccResetAPB2(RCC_APB2RSTR_ADC3RST)
/** @} */
/**
* @name DMA peripheral specific RCC operations
* @{
*/
/**
* @brief Enables the DMA1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableDMA1(lp) rccEnableAHB1(RCC_AHB1ENR_DMA1EN, lp)
/**
* @brief Disables the DMA1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableDMA1(lp) rccDisableAHB1(RCC_AHB1ENR_DMA1EN, lp)
/**
* @brief Resets the DMA1 peripheral.
*
* @api
*/
#define rccResetDMA1() rccResetAHB1(RCC_AHB1RSTR_DMA1RST)
/**
* @brief Enables the DMA2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableDMA2(lp) rccEnableAHB1(RCC_AHB1ENR_DMA2EN, lp)
/**
* @brief Disables the DMA2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableDMA2(lp) rccDisableAHB1(RCC_AHB1ENR_DMA2EN, lp)
/**
* @brief Resets the DMA2 peripheral.
*
* @api
*/
#define rccResetDMA2() rccResetAHB1(RCC_AHB1RSTR_DMA2RST)
/** @} */
/**
* @name PWR interface specific RCC operations
* @{
*/
/**
* @brief Enables the PWR interface clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
/**
* @brief Disables PWR interface clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
/**
* @brief Resets the PWR interface.
*
* @api
*/
#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
/** @} */
/**
* @name CAN peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the CAN1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
/**
* @brief Disables the CAN1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp)
/**
* @brief Resets the CAN1 peripheral.
*
* @api
*/
#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST)
/**
* @brief Enables the CAN2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableCAN2(lp) rccEnableAPB1(RCC_APB1ENR_CAN2EN, lp)
/**
* @brief Disables the CAN2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableCAN2(lp) rccDisableAPB1(RCC_APB1ENR_CAN2EN, lp)
/**
* @brief Resets the CAN2 peripheral.
*
* @api
*/
#define rccResetCAN2() rccResetAPB1(RCC_APB1RSTR_CAN2RST)
/** @} */
/**
* @name ETH peripheral specific RCC operations
* @{
*/
/**
* @brief Enables the ETH peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableETH(lp) rccEnableAHB1(RCC_AHB1ENR_ETHMACEN | \
RCC_AHB1ENR_ETHMACTXEN | \
RCC_AHB1ENR_ETHMACRXEN, lp)
/**
* @brief Disables the ETH peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableETH(lp) rccDisableAHB1(RCC_AHB1ENR_ETHMACEN | \
RCC_AHB1ENR_ETHMACTXEN | \
RCC_AHB1ENR_ETHMACRXEN, lp)
/**
* @brief Resets the ETH peripheral.
*
* @api
*/
#define rccResetETH() rccResetAHB1(RCC_AHB1RSTR_ETHMACRST)
/** @} */
/**
* @name 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 Enables the I2C3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableI2C3(lp) rccEnableAPB1(RCC_APB1ENR_I2C3EN, lp)
/**
* @brief Disables the I2C3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableI2C3(lp) rccDisableAPB1(RCC_APB1ENR_I2C3EN, lp)
/**
* @brief Resets the I2C3 peripheral.
*
* @api
*/
#define rccResetI2C3() rccResetAPB1(RCC_APB1RSTR_I2C3RST)
/** @} */
/**
* @name OTG peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the OTG_FS peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableOTG_FS(lp) rccEnableAHB2(RCC_AHB2ENR_OTGFSEN, lp)
/**
* @brief Disables the OTG_FS peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableOTG_FS(lp) rccDisableAHB2(RCC_AHB2ENR_OTGFSEN, lp)
/**
* @brief Resets the OTG_FS peripheral.
*
* @api
*/
#define rccResetOTG_FS() rccResetAHB2(RCC_AHB2RSTR_OTGFSRST)
/**
* @brief Enables the OTG_HS peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableOTG_HS(lp) rccEnableAHB1(RCC_AHB1ENR_OTGHSEN, lp)
/**
* @brief Disables the OTG_HS peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableOTG_HS(lp) rccDisableAHB1(RCC_AHB1ENR_OTGHSEN, lp)
/**
* @brief Resets the OTG_HS peripheral.
*
* @api
*/
#define rccResetOTG_HS() rccResetAHB1(RCC_AHB1RSTR_OTGHSRST)
/** @} */
/**
* @name SDIO peripheral specific RCC operations
* @{
*/
/**
* @brief Enables the SDIO peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableSDIO(lp) rccEnableAPB2(RCC_APB2ENR_SDIOEN, lp)
/**
* @brief Disables the SDIO peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableSDIO(lp) rccDisableAPB2(RCC_APB2ENR_SDIOEN, lp)
/**
* @brief Resets the SDIO peripheral.
* @note Not supported in this family, does nothing.
*
* @api
*/
#define rccResetSDIO() rccResetAPB2(RCC_APB2RSTR_SDIORST)
/** @} */
/**
* @name 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 Enables the SPI3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
/**
* @brief Disables the SPI3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp)
/**
* @brief Resets the SPI3 peripheral.
*
* @api
*/
#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
/** @} */
/**
* @name TIM peripherals specific RCC operations
* @{
*/
/**
* @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.
*
* @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 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)
/** @} */
/**
* @name 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 Enables the USART6 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableUSART6(lp) rccEnableAPB2(RCC_APB2ENR_USART6EN, lp)
/**
* @brief Disables the USART6 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableUSART6(lp) rccDisableAPB2(RCC_APB2ENR_USART6EN, lp)
/**
* @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 Resets the USART6 peripheral.
*
* @api
*/
#define rccResetUSART6() rccResetAPB2(RCC_APB2RSTR_USART6RST)
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif /* _STM32_RCC_ */
/** @} */