diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-09-16 17:56:55 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-09-16 17:56:55 +0000 |
| commit | 06d3e6325be3061cc281b3aa49fcb983998fc4cb (patch) | |
| tree | 18d86f691a18df390a5cbc86e6453fff56ea2930 /os/hal/platforms/STM32F1xx | |
| parent | 3a94137eb38857d9780a5ef65be30736804dea46 (diff) | |
| download | ChibiOS-06d3e6325be3061cc281b3aa49fcb983998fc4cb.tar.gz ChibiOS-06d3e6325be3061cc281b3aa49fcb983998fc4cb.tar.bz2 ChibiOS-06d3e6325be3061cc281b3aa49fcb983998fc4cb.zip | |
STM32 RCC helper driver implemented.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3321 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32F1xx')
| -rw-r--r-- | os/hal/platforms/STM32F1xx/stm32_rcc.h | 864 |
1 files changed, 864 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32F1xx/stm32_rcc.h b/os/hal/platforms/STM32F1xx/stm32_rcc.h new file mode 100644 index 000000000..56fa0905c --- /dev/null +++ b/os/hal/platforms/STM32F1xx/stm32_rcc.h @@ -0,0 +1,864 @@ +/*
+ 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 STM32F1xx/stm32_rcc.h
+ * @brief RCC helper driver header.
+ * @note This file requires definitions from the ST header file
+ * @p stm32f10x.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.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB1(mask, lp) { \
+ RCC->APB1ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB1 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB1(mask, lp) { \
+ RCC->APB1ENR &= ~(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.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB2(mask, lp) { \
+ RCC->APB2ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB2 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB2(mask, lp) { \
+ RCC->APB2ENR &= ~(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.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB(mask, lp) { \
+ RCC->AHBENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB(mask, lp) { \
+ RCC->AHBENR &= ~(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.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Disables the ADC1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @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 CAN peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Disables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @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 DMA peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the DMA1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Disables the DMA1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetDMA1()
+
+/**
+ * @brief Enables the DMA2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Disables the DMA2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetDMA2()
+/** @} */
+
+/**
+ * @brief 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) rccEnableAHB(RCC_AHBENR_ETHMACEN | \
+ RCC_AHBENR_ETHMACTXEN | \
+ RCC_AHBENR_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) rccDisableAHB(RCC_AHBENR_ETHMACEN | \
+ RCC_AHBENR_ETHMACTXEN | \
+ RCC_AHBENR_ETHMACRXEN, lp)
+
+/**
+ * @brief Resets the ETH peripheral.
+ *
+ * @api
+ */
+#define rccResetETH() rccResetAHB(RCC_AHBRSTR_ETHMACRST)
+/** @} */
+
+/**
+ * @brief I2c peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the I2C1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Disables the I2C1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @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.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Disables the I2C2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @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 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) rccEnableAHB(RCC_AHBENR_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) rccDisableAHB(RCC_AHBENR_SDIOEN, lp)
+
+/**
+ * @brief Resets the SDIO peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetSDIO()
+/** @} */
+
+/**
+ * @brief SPI peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SPI1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Disables the SPI1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @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.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Disables the SPI2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @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.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @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)
+
+/**
+ * @brief Resets the SPI3 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
+/** @} */
+
+/**
+ * @brief 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.
+ * @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_ */
+
+/** @} */
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