Ricardo Benitez
meh
Fork of
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mbed official
Diff: TARGET_NUCLEO_L053R8/stm32l0xx_hal_rcc.h
- Revision:
- 84:0b3ab51c8877
- Child:
- 85:024bf7f99721
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_L053R8/stm32l0xx_hal_rcc.h Mon May 19 18:14:09 2014 +0100
@@ -0,0 +1,1151 @@
+/**
+ ******************************************************************************
+ * @file stm32l0xx_hal_rcc.h
+ * @author MCD Application Team
+ * @version V1.0.0
+ * @date 22-April-2014
+ * @brief Header file of RCC HAL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L0xx_HAL_RCC_H
+#define __STM32L0xx_HAL_RCC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_hal_def.h"
+
+/** @addtogroup STM32L0xx_HAL_Driver
+ * @{
+ */
+
+/** @addtogroup RCC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief RCC PLL configuration structure definition
+ */
+typedef struct
+{
+ uint32_t PLLState; /*!< The new state of the PLL.
+ This parameter can be a value of @ref RCC_PLL_Config */
+
+ uint32_t PLLSource; /*!< RCC_PLLSource: PLL entry clock source.
+ This parameter must be a value of @ref RCC_PLL_Clock_Source */
+
+ uint32_t PLLMUL; /*!< PLLMUL: Multiplication factor for PLL VCO output clock
+ This parameter must of RCC_PLLMultiplication_Factor */
+
+ uint32_t PLLDIV; /*!< PLLDIV: Division factor for main system clock (SYSCLK)
+ This parameter must be a value of @ref RCC_PLLDivider_Factor */
+
+}RCC_PLLInitTypeDef;
+
+/**
+ * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
+ */
+typedef struct
+{
+ uint32_t OscillatorType; /*!< The oscillators to be configured.
+ This parameter can be a value of @ref RCC_Oscillator_Type */
+
+ uint32_t HSEState; /*!< The new state of the HSE.
+ This parameter can be a value of @ref RCC_HSE_Config */
+
+ uint32_t LSEState; /*!< The new state of the LSE.
+ This parameter can be a value of @ref RCC_LSE_Config */
+
+ uint32_t HSIState; /*!< The new state of the HSI.
+ This parameter can be a value of @ref RCC_HSI_Config */
+
+ uint32_t HSICalibrationValue; /*!< The calibration trimming value.
+ This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
+
+ uint32_t LSIState; /*!< The new state of the LSI.
+ This parameter can be a value of @ref RCC_LSI_Config */
+
+ uint32_t HSI48State; /*!< The new state of the HSI48.
+ This parameter can be a value of @ref RCC_HSI48_Config */
+
+ uint32_t MSIState; /*!< The new state of the MSI.
+ This parameter can be a value of @ref RCC_MSI_Config */
+
+ uint32_t MSICalibrationValue; /*!< The calibration trimming value.
+ This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF */
+
+ uint32_t MSIClockRange; /*!< The MSI frequency range.
+ This parameter can be a value of @ref RCC_MSI_Clock_Range */
+
+ RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
+
+}RCC_OscInitTypeDef;
+
+/**
+ * @brief RCC System, AHB and APB busses clock configuration structure definition
+ */
+typedef struct
+{
+ uint32_t ClockType; /*!< The clock to be configured.
+ This parameter can be a value of @ref RCC_System_Clock_Type */
+
+ uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
+ This parameter can be a value of @ref RCC_System_Clock_Source */
+
+ uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
+ This parameter can be a value of @ref RCC_AHB_Clock_Source */
+
+ uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
+ This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
+
+ uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
+ This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
+
+}RCC_ClkInitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup RCC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup RCC_BitAddress_AliasRegion
+ * @brief RCC registers bit address in the alias region
+ * @{
+ */
+#define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
+/* --- CR Register ---*/
+/* Alias word address of HSION bit */
+#define RCC_CR_OFFSET (RCC_OFFSET + 0x00)
+/* --- CFGR Register ---*/
+/* Alias word address of I2SSRC bit */
+#define RCC_CFGR_OFFSET (RCC_OFFSET + 0x08)
+/* --- CSR Register ---*/
+#define RCC_CSR_OFFSET (RCC_OFFSET + 0x74)
+
+/* CR register byte 3 (Bits[23:16]) base address */
+#define CR_BYTE2_ADDRESS ((uint32_t)0x40023802)
+
+/* CIER register byte 0 (Bits[0:8]) base address */
+#define CIER_BYTE0_ADDRESS ((uint32_t)(RCC_BASE + 0x10 + 0x00))
+
+#define LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
+#define DBP_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Oscillator_Type
+ * @{
+ */
+#define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000)
+#define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001)
+#define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002)
+#define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004)
+#define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008)
+#define RCC_OSCILLATORTYPE_MSI ((uint32_t)0x00000010)
+#define RCC_OSCILLATORTYPE_HSI48 ((uint32_t)0x00000020)
+
+#define IS_RCC_OSCILLATORTYPE(OSCILLATOR) (((OSCILLATOR) == RCC_OSCILLATORTYPE_NONE) || \
+ ((OSCILLATOR) == RCC_OSCILLATORTYPE_HSE) || \
+ ((OSCILLATOR) == RCC_OSCILLATORTYPE_HSI) || \
+ ((OSCILLATOR) == RCC_OSCILLATORTYPE_LSE) || \
+ ((OSCILLATOR) == RCC_OSCILLATORTYPE_LSI) || \
+ ((OSCILLATOR) == RCC_OSCILLATORTYPE_MSI) || \
+ ((OSCILLATOR) == RCC_OSCILLATORTYPE_HSI48))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_HSE_Config
+ * @{
+ */
+#define RCC_HSE_OFF ((uint32_t)0x00000000)
+#define RCC_HSE_ON RCC_CR_HSEON
+#define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
+
+#define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
+ ((HSE) == RCC_HSE_BYPASS))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LSE_Config
+ * @{
+ */
+#define RCC_LSE_OFF ((uint32_t)0x00000000)
+#define RCC_LSE_ON RCC_CSR_LSEON
+#define RCC_LSE_BYPASS ((uint32_t)(RCC_CSR_LSEBYP | RCC_CSR_LSEON))
+
+#define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
+ ((LSE) == RCC_LSE_BYPASS))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_HSI_Config
+ * @{
+ */
+#define RCC_HSI_OFF ((uint8_t)0x00)
+#define RCC_HSI_ON ((uint8_t)0x01)
+#define RCC_HSI_DIV4 ((uint8_t)0x09)
+#define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON) || \
+ ((HSI) == RCC_HSI_DIV4))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MSI_Clock_Range
+ * @{
+ */
+
+#define RCC_MSIRANGE_0 RCC_ICSCR_MSIRANGE_0 /*!< MSI = 65.536 KHz */
+#define RCC_MSIRANGE_1 RCC_ICSCR_MSIRANGE_1 /*!< MSI = 131.072 KHz */
+#define RCC_MSIRANGE_2 RCC_ICSCR_MSIRANGE_2 /*!< MSI = 262.144 KHz */
+#define RCC_MSIRANGE_3 RCC_ICSCR_MSIRANGE_3 /*!< MSI = 524.288 KHz */
+#define RCC_MSIRANGE_4 RCC_ICSCR_MSIRANGE_4 /*!< MSI = 1.048 MHz */
+#define RCC_MSIRANGE_5 RCC_ICSCR_MSIRANGE_5 /*!< MSI = 2.097 MHz */
+#define RCC_MSIRANGE_6 RCC_ICSCR_MSIRANGE_6 /*!< MSI = 4.194 MHz */
+
+#define IS_RCC_MSI_CLOCK_RANGE(RANGE) (((RANGE) == RCC_MSIRANGE_0) || \
+ ((RANGE) == RCC_MSIRANGE_1) || \
+ ((RANGE) == RCC_MSIRANGE_2) || \
+ ((RANGE) == RCC_MSIRANGE_3) || \
+ ((RANGE) == RCC_MSIRANGE_4) || \
+ ((RANGE) == RCC_MSIRANGE_5) || \
+ ((RANGE) == RCC_MSIRANGE_6))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LSI_Config
+ * @{
+ */
+#define RCC_LSI_OFF ((uint8_t)0x00)
+#define RCC_LSI_ON ((uint8_t)0x01)
+
+#define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
+/**
+ * @}
+ */
+
+
+/** @defgroup RCC_MSI_Config
+ * @{
+ */
+#define RCC_MSI_OFF ((uint8_t)0x00)
+#define RCC_MSI_ON ((uint8_t)0x01)
+
+#define IS_RCC_MSI(MSI) (((MSI) == RCC_MSI_OFF) || ((MSI) == RCC_MSI_ON))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_HSI48_Config
+ * @{
+ */
+#define RCC_HSI48_OFF ((uint8_t)0x00)
+#define RCC_HSI48_ON ((uint8_t)0x01)
+
+#define IS_RCC_HSI48(HSI48) (((HSI48) == RCC_HSI48_OFF) || ((HSI48) == RCC_HSI48_ON))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLL_Config
+ * @{
+ */
+#define RCC_PLL_NONE ((uint8_t)0x00)
+#define RCC_PLL_OFF ((uint8_t)0x01)
+#define RCC_PLL_ON ((uint8_t)0x02)
+
+#define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLL_Clock_Source
+ * @{
+ */
+#define RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI
+#define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE
+
+#define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
+ ((SOURCE) == RCC_PLLSOURCE_HSE))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLLMultiplication_Factor
+ * @{
+ */
+
+#define RCC_PLLMUL_3 RCC_CFGR_PLLMUL3
+#define RCC_PLLMUL_4 RCC_CFGR_PLLMUL4
+#define RCC_PLLMUL_6 RCC_CFGR_PLLMUL6
+#define RCC_PLLMUL_8 RCC_CFGR_PLLMUL8
+#define RCC_PLLMUL_12 RCC_CFGR_PLLMUL12
+#define RCC_PLLMUL_16 RCC_CFGR_PLLMUL16
+#define RCC_PLLMUL_24 RCC_CFGR_PLLMUL24
+#define RCC_PLLMUL_32 RCC_CFGR_PLLMUL32
+#define RCC_PLLMUL_48 RCC_CFGR_PLLMUL48
+#define IS_RCC_PLL_MUL(MUL) (((MUL) == RCC_PLLMUL_3) || ((MUL) == RCC_PLLMUL_4) || \
+ ((MUL) == RCC_PLLMUL_6) || ((MUL) == RCC_PLLMUL_8) || \
+ ((MUL) == RCC_PLLMUL_12) || ((MUL) == RCC_PLLMUL_16) || \
+ ((MUL) == RCC_PLLMUL_24) || ((MUL) == RCC_PLLMUL_32) || \
+ ((MUL) == RCC_PLLMUL_48))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLLDivider_Factor
+ * @{
+ */
+
+#define RCC_PLLDIV_2 RCC_CFGR_PLLDIV2
+#define RCC_PLLDIV_3 RCC_CFGR_PLLDIV3
+#define RCC_PLLDIV_4 RCC_CFGR_PLLDIV4
+#define IS_RCC_PLL_DIV(DIV) (((DIV) == RCC_PLLDIV_2) || ((DIV) == RCC_PLLDIV_3) || \
+ ((DIV) == RCC_PLLDIV_4))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_System_Clock_Type
+ * @{
+ */
+#define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001)
+#define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002)
+#define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004)
+#define RCC_CLOCKTYPE_PCLK2 ((uint32_t)0x00000008)
+
+#define IS_RCC_CLOCKTYPE(CLK) ((1 <= (CLK)) && ((CLK) <= 15))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_System_Clock_Source
+ * @{
+ */
+#define RCC_SYSCLKSOURCE_MSI RCC_CFGR_SW_MSI
+#define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI
+#define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE
+#define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL
+
+#define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
+ ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
+ ((SOURCE) == RCC_SYSCLKSOURCE_MSI) || \
+ ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_AHB_Clock_Source
+ * @{
+ */
+#define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1
+#define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2
+#define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4
+#define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8
+#define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16
+#define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64
+#define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128
+#define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256
+#define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512
+
+#define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1) || ((HCLK) == RCC_SYSCLK_DIV2) || \
+ ((HCLK) == RCC_SYSCLK_DIV4) || ((HCLK) == RCC_SYSCLK_DIV8) || \
+ ((HCLK) == RCC_SYSCLK_DIV16) || ((HCLK) == RCC_SYSCLK_DIV64) || \
+ ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
+ ((HCLK) == RCC_SYSCLK_DIV512))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_APB1_APB2_Clock_Source
+ * @{
+ */
+#define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1
+#define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2
+#define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4
+#define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8
+#define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16
+
+#define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
+ ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
+ ((PCLK) == RCC_HCLK_DIV16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_RTC_Clock_Source
+ * @{
+ */
+#define RCC_RTCCLKSOURCE_LSE RCC_CSR_RTCSEL_LSE
+#define RCC_RTCCLKSOURCE_LSI RCC_CSR_RTCSEL_LSI
+#define RCC_RTCCLKSOURCE_HSE_DIV2 RCC_CSR_RTCSEL_HSE
+#define RCC_RTCCLKSOURCE_HSE_DIV4 ((uint32_t)RCC_CSR_RTCSEL_HSE | RCC_CR_RTCPRE_0)
+#define RCC_RTCCLKSOURCE_HSE_DIV8 ((uint32_t)RCC_CSR_RTCSEL_HSE | RCC_CR_RTCPRE_1)
+#define RCC_RTCCLKSOURCE_HSE_DIV16 ((uint32_t)RCC_CSR_RTCSEL_HSE | RCC_CR_RTCPRE)
+#define IS_RCC_RTCCLK_SOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSOURCE_LSE) || \
+ ((SOURCE) == RCC_RTCCLKSOURCE_LSI) || \
+ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV2) || \
+ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV4) || \
+ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV8) || \
+ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MCO_Clock_Source
+ * @{
+ */
+#define RCC_MCO1SOURCE_NOCLOCK ((uint8_t)0x00)
+#define RCC_MCO1SOURCE_SYSCLK ((uint8_t)0x01)
+#define RCC_MCO1SOURCE_HSI ((uint8_t)0x02)
+#define RCC_MCO1SOURCE_MSI ((uint8_t)0x03)
+#define RCC_MCO1SOURCE_HSE ((uint8_t)0x04)
+#define RCC_MCO1SOURCE_PLLCLK ((uint8_t)0x05)
+#define RCC_MCO1SOURCE_LSI ((uint8_t)0x06)
+#define RCC_MCO1SOURCE_LSE ((uint8_t)0x07)
+#define RCC_MCO1SOURCE_HSI48 ((uint8_t)0x08)
+
+#define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_NOCLOCK) || ((SOURCE) == RCC_MCO1SOURCE_SYSCLK) || \
+ ((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_MSI) || \
+ ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK) || \
+ ((SOURCE) == RCC_MCO1SOURCE_LSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
+ ((SOURCE) == RCC_MCO1SOURCE_HSI48))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MCOPrescaler
+ * @{
+ */
+
+#define RCC_MCODIV_1 RCC_CFGR_MCO_PRE_1
+#define RCC_MCODIV_2 RCC_CFGR_MCO_PRE_2
+#define RCC_MCODIV_4 RCC_CFGR_MCO_PRE_4
+#define RCC_MCODIV_8 RCC_CFGR_MCO_PRE_8
+#define RCC_MCODIV_16 RCC_CFGR_MCO_PRE_16
+
+#define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1) || \
+ ((DIV) == RCC_MCODIV_2) || \
+ ((DIV) == RCC_MCODIV_4) || \
+ ((DIV) == RCC_MCODIV_8) || \
+ ((DIV) == RCC_MCODIV_16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MCO_Index
+ * @{
+ */
+#define RCC_MCO1 ((uint32_t)0x00000000)
+#define RCC_MCO2 ((uint32_t)0x00000001)
+
+#define IS_RCC_MCO(MCOx) (((MCOx) == RCC_MCO1) || ((MCOx) == RCC_MCO2))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Interrupt
+ * @{
+ */
+#define RCC_IT_LSIRDY RCC_CIFR_LSIRDYF
+#define RCC_IT_LSERDY RCC_CIFR_LSERDYF
+#define RCC_IT_HSIRDY RCC_CIFR_HSIRDYF
+#define RCC_IT_HSERDY RCC_CIFR_HSERDYF
+#define RCC_IT_PLLRDY RCC_CIFR_PLLRDYF
+#define RCC_IT_MSIRDY RCC_CIFR_MSIRDYF
+#define RCC_IT_HSI48RDY RCC_CIFR_HSI48RDYF
+#define RCC_IT_LSECSS RCC_CIFR_LSECSSF
+#define RCC_IT_CSS RCC_CIFR_CSSF
+
+#define IS_RCC_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
+ ((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
+ ((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_MSIRDY) || \
+ ((IT) == RCC_IT_HSI48RDY) || ((IT) == RCC_IT_LSECSS))
+
+#define IS_RCC_GET_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
+ ((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
+ ((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_MSIRDY) || \
+ ((IT) == RCC_IT_CSS) || ((IT) == RCC_IT_HSI48RDY) || \
+ ((IT) == RCC_IT_LSECSS))
+
+#define IS_RCC_CLEAR_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
+ ((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
+ ((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_MSIRDY) || \
+ ((IT) == RCC_IT_CSS) || ((IT) == RCC_IT_HSI48RDY) || \
+ ((IT) == RCC_IT_LSECSS))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Flag
+ * Elements values convention: 0XXYYYYYb
+ * - YYYYY : Flag position in the register
+ * - 0XX : Register index
+ * - 01: CR register
+ * - 10: CSR register
+ * - 11: CRRCR register
+ * @{
+ */
+/* Flags in the CR register */
+#define RCC_FLAG_HSIRDY ((uint8_t)0x22)
+#define RCC_FLAG_HSIDIV ((uint8_t)0x24)
+#define RCC_FLAG_MSIRDY ((uint8_t)0x29)
+#define RCC_FLAG_HSERDY ((uint8_t)0x31)
+#define RCC_FLAG_PLLRDY ((uint8_t)0x39)
+
+/* Flags in the CSR register */
+#define RCC_FLAG_LSERDY ((uint8_t)0x49)
+#define RCC_FLAG_LSECSS ((uint8_t)0x4E)
+#define RCC_FLAG_LSIRDY ((uint8_t)0x41)
+#define RCC_FLAG_FIREWALLRST ((uint8_t)0x58)
+#define RCC_FLAG_OBLRST ((uint8_t)0x59)
+#define RCC_FLAG_PINRST ((uint8_t)0x5A)
+#define RCC_FLAG_PORRST ((uint8_t)0x5B)
+#define RCC_FLAG_SFTRST ((uint8_t)0x5C)
+#define RCC_FLAG_IWDGRST ((uint8_t)0x5D)
+#define RCC_FLAG_WWDGRST ((uint8_t)0x5E)
+#define RCC_FLAG_LPWRRST ((uint8_t)0x5F)
+
+/* Flags in the CRRCR register */
+#define RCC_FLAG_HSI48RDY ((uint8_t)0x61)
+
+
+
+#define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup RCC_Exported macro
+ * @{
+ */
+
+/** @brief Enable or disable the AHB peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ */
+#define __DMA1_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_DMA1EN))
+#define __MIF_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_MIFEN))
+#define __CRC_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_CRCEN))
+
+
+#define __DMA1_CLK_DISABLE() (RCC->AHBENR &= ~ (RCC_AHBENR_DMA1EN))
+#define __MIF_CLK_DISABLE() (RCC->AHBENR &= ~ (RCC_AHBENR_MIFEN))
+#define __CRC_CLK_DISABLE() (RCC->AHBENR &= ~ (RCC_AHBENR_CRCEN))
+
+
+/** @brief Enable or disable the IOPORT peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ */
+#define __GPIOA_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOAEN))
+#define __GPIOB_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOBEN))
+#define __GPIOC_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOCEN))
+#define __GPIOD_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIODEN))
+#define __GPIOH_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOHEN))
+
+#define __GPIOA_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOAEN))
+#define __GPIOB_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOBEN))
+#define __GPIOC_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOCEN))
+#define __GPIOD_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIODEN))
+#define __GPIOH_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOHEN))
+
+
+/** @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ */
+#define __WWDG_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_WWDGEN))
+#define __PWR_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_PWREN))
+
+#define __WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~ (RCC_APB1ENR_WWDGEN))
+#define __PWR_CLK_DISABLE() (RCC->APB1ENR &= ~ (RCC_APB1ENR_PWREN))
+
+/** @brief Enable or disable the High Speed APB (APB2) peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ */
+#define __SYSCFG_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SYSCFGEN))
+#define __DBGMCU_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_DBGMCUEN))
+
+#define __SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~ (RCC_APB2ENR_SYSCFGEN))
+#define __DBGMCU_CLK_DISABLE() (RCC->APB2ENR &= ~ (RCC_APB2ENR_DBGMCUEN))
+
+/** @brief Force or release AHB peripheral reset.
+ */
+#define __AHB_FORCE_RESET() (RCC->AHBRSTR = 0xFFFFFFFF)
+#define __DMA1_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_DMA1RST))
+#define __MIF_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_MIFRST))
+#define __CRC_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_CRCRST))
+
+#define __AHB_RELEASE_RESET() (RCC->AHBRSTR = 0x00)
+#define __CRC_RELEASE_RESET() (RCC->AHBRSTR &= ~ (RCC_AHBRSTR_CRCRST))
+#define __DMA1_RELEASE_RESET() (RCC->AHBRSTR &= ~ (RCC_AHBRSTR_DMA1RST))
+#define __MIF_RELEASE_RESET() (RCC->AHBRSTR &= ~ (RCC_AHBRSTR_MIFRST))
+
+
+/** @brief Force or release IOPORT peripheral reset.
+ */
+#define __IOP_FORCE_RESET() (RCC->IOPRSTR = 0xFFFFFFFF)
+#define __GPIOA_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOARST))
+#define __GPIOB_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOBRST))
+#define __GPIOC_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOCRST))
+#define __GPIOD_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIODRST))
+#define __GPIOH_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOHRST))
+
+#define __IOP_RELEASE_RESET() (RCC->IOPRSTR = 0x00)
+#define __GPIOA_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOARST))
+#define __GPIOB_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOBRST))
+#define __GPIOC_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOCRST))
+#define __GPIOD_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIODRST))
+#define __GPIOH_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOHRST))
+
+/** @brief Force or release APB1 peripheral reset.
+ */
+#define __APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFF)
+#define __WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
+#define __PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
+
+#define __APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00)
+#define __WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~ (RCC_APB1RSTR_WWDGRST))
+#define __PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~ (RCC_APB1RSTR_PWRRST))
+
+/** @brief Force or release APB2 peripheral reset.
+ */
+#define __APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFF)
+#define __DBGMCU_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_DBGMCURST))
+#define __SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
+
+#define __APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00)
+#define __DBGMCU_RELEASE_RESET() (RCC->APB2RSTR &= ~ (RCC_APB2RSTR_DBGMCURST))
+#define __SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~ (RCC_APB2RSTR_SYSCFGRST))
+
+/** @brief Enable or disable the AHB peripheral clock during Low Power (Sleep) mode.
+ * @note Peripheral clock gating in SLEEP mode can be used to further reduce
+ * power consumption.
+ * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
+ * @note By default, all peripheral clocks are enabled during SLEEP mode.
+ */
+#define __CRC_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_CRCSMEN))
+#define __MIF_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_MIFSMEN))
+#define __SRAM_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_SRAMSMEN))
+#define __DMA1_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_DMA1SMEN))
+
+#define __CRC_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_CRCSMEN))
+#define __MIF_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_MIFSMEN))
+#define __SRAM_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_SRAMSMEN))
+#define __DMA1_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_DMA1SMEN))
+
+/** @brief Enable or disable the IOPORT peripheral clock during Low Power (Sleep) mode.
+ * @note Peripheral clock gating in SLEEP mode can be used to further reduce
+ * power consumption.
+ * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
+ * @note By default, all peripheral clocks are enabled during SLEEP mode.
+ */
+
+#define __GPIOA_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOASMEN))
+#define __GPIOB_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOBSMEN))
+#define __GPIOC_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOCSMEN))
+#define __GPIOD_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIODSMEN))
+#define __GPIOH_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOHSMEN))
+
+#define __GPIOA_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOASMEN))
+#define __GPIOB_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOBSMEN))
+#define __GPIOC_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOCSMEN))
+#define __GPIOD_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIODSMEN))
+#define __GPIOH_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOHSMEN))
+
+/** @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
+ * @note Peripheral clock gating in SLEEP mode can be used to further reduce
+ * power consumption.
+ * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
+ * @note By default, all peripheral clocks are enabled during SLEEP mode.
+ */
+#define __WWDG_CLK_SLEEP_ENABLE() (RCC->APB1SMENR |= (RCC_APB1SMENR_WWDGSMEN))
+#define __PWR_CLK_SLEEP_ENABLE() (RCC->APB1SMENR |= (RCC_APB1SMENR_PWRSMEN))
+
+#define __WWDG_CLK_SLEEP_DISABLE() (RCC->APB1SMENR &= ~ (RCC_APB1SMENR_WWDGSMEN))
+#define __PWR_CLK_SLEEP_DISABLE() (RCC->APB1SMENR &= ~ (RCC_APB1SMENR_PWRSMEN))
+
+/** @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
+ * @note Peripheral clock gating in SLEEP mode can be used to further reduce
+ * power consumption.
+ * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
+ * @note By default, all peripheral clocks are enabled during SLEEP mode.
+ */
+#define __SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2SMENR |= (RCC_APB2SMENR_SYSCFGSMEN))
+#define __DBGMCU_CLK_SLEEP_ENABLE() (RCC->APB2SMENR |= (RCC_APB2SMENR_DBGMCUSMEN))
+
+#define __SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2SMENR &= ~ (RCC_APB2SMENR_SYSCFGSMEN))
+#define __DBGMCU_CLK_SLEEP_DISABLE() (RCC->APB2SMENR &= ~ (RCC_APB2SMENR_DBGMCUSMEN))
+
+/** @brief Macro to enable or disable the Internal High Speed oscillator (HSI).
+ * @note After enabling the HSI, the application software should wait on
+ * HSIRDY flag to be set indicating that HSI clock is stable and can
+ * be used to clock the PLL and/or system clock.
+ * @note HSI can not be stopped if it is used directly or through the PLL
+ * as system clock. In this case, you have to select another source
+ * of the system clock then stop the HSI.
+ * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
+ * @param __STATE__: specifies the new state of the HSI.
+ * This parameter can be one of the following values:
+ * @arg RCC_HSI_OFF: turn OFF the HSI oscillator
+ * @arg RCC_HSI_ON: turn ON the HSI oscillator
+ * @arg RCC_HSI_DIV4: turn ON the HSI oscillator and divide it by 4
+ * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
+ * clock cycles.
+ */
+#define __HAL_RCC_HSI_CONFIG(__STATE__) \
+ MODIFY_REG(RCC->CR, RCC_CR_HSION|RCC_CR_HSIDIVEN, (uint32_t)(__STATE__))
+
+/** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
+ * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
+ * It is used (enabled by hardware) as system clock source after startup
+ * from Reset, wakeup from STOP and STANDBY mode, or in case of failure
+ * of the HSE used directly or indirectly as system clock (if the Clock
+ * Security System CSS is enabled).
+ * @note HSI can not be stopped if it is used as system clock source. In this case,
+ * you have to select another source of the system clock then stop the HSI.
+ * @note After enabling the HSI, the application software should wait on HSIRDY
+ * flag to be set indicating that HSI clock is stable and can be used as
+ * system clock source.
+ * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
+ * clock cycles.
+ */
+#define __HAL_RCC_HSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_HSION)
+#define __HAL_RCC_HSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_HSION)
+
+/**
+ * @brief Macros to enable or disable the Internal Multi Speed oscillator (MSI).
+ * @note The MSI is stopped by hardware when entering STOP and STANDBY modes.
+ * It is used (enabled by hardware) as system clock source after
+ * startup from Reset, wakeup from STOP and STANDBY mode, or in case
+ * of failure of the HSE used directly or indirectly as system clock
+ * (if the Clock Security System CSS is enabled).
+ * @note MSI can not be stopped if it is used as system clock source.
+ * In this case, you have to select another source of the system
+ * clock then stop the MSI.
+ * @note After enabling the MSI, the application software should wait on
+ * MSIRDY flag to be set indicating that MSI clock is stable and can
+ * be used as system clock source.
+ * @note When the MSI is stopped, MSIRDY flag goes low after 6 MSI oscillator
+ * clock cycles.
+ */
+#define __HAL_RCC_MSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_MSION)
+#define __HAL_RCC_MSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_MSION)
+
+/**
+ * @brief Macro to enable or disable the Internal High Speed oscillator for USB (HSI48).
+ * @note After enabling the HSI48, the application software should wait on
+ * HSI48RDY flag to be set indicating that HSI48 clock is stable and can
+ * be used to clock the USB.
+ * @note The HSI48 is stopped by hardware when entering STOP and STANDBY modes.
+ */
+#define __HAL_RCC_HSI48_ENABLE() do { SET_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON); \
+ RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; \
+ SYSCFG->CFGR3 |= (SYSCFG_CFGR3_ENREF_HSI48 | SYSCFG_CFGR3_EN_VREFINT); \
+ } while (0)
+#define __HAL_RCC_HSI48_DISABLE() do { CLEAR_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON); \
+ SYSCFG->CFGR3 &= (uint32_t)~((uint32_t)(SYSCFG_CFGR3_ENREF_HSI48 | SYSCFG_CFGR3_EN_VREFINT)); \
+ } while (0)
+
+/** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI RC.
+ * @param __HSICalibrationValue__: specifies the calibration trimming value.
+ * This parameter must be a number between 0 and 0x1F.
+ */
+#define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICalibrationValue__) (MODIFY_REG(RCC->ICSCR,\
+ RCC_ICSCR_HSITRIM, (uint32_t)(__HSICalibrationValue__) << 8))
+
+/** @brief Macro Adjusts the Internal Multi Speed oscillator (MSI) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal MSI RC.
+ * Refer to the Application Note AN3300 for more details on how to
+ * calibrate the MSI.
+ * @param __MSICalibrationValue__: specifies the calibration trimming value.
+ * This parameter must be a number between 0 and 0xFF.
+ */
+#define __HAL_RCC_MSI_CALIBRATIONVALUE_ADJUST(__MSICalibrationValue__) (MODIFY_REG(RCC->ICSCR,\
+ RCC_ICSCR_MSITRIM, (uint32_t)(__MSICalibrationValue__) << 24))
+
+/**
+ * @brief Macro to configures the Internal Multi Speed oscillator (MSI) clock range.
+ * @note After restart from Reset or wakeup from STANDBY, the MSI clock is
+ * around 2.097 MHz. The MSI clock does not change after wake-up from
+ * STOP mode.
+ * @note The MSI clock range can be modified on the fly.
+ * @param RCC_MSIRange: specifies the MSI Clock range.
+ * This parameter must be one of the following values:
+ * @arg RCC_MSIRANGE_0: MSI clock is around 65.536 KHz
+ * @arg RCC_MSIRANGE_1: MSI clock is around 131.072 KHz
+ * @arg RCC_MSIRANGE_2: MSI clock is around 262.144 KHz
+ * @arg RCC_MSIRANGE_3: MSI clock is around 524.288 KHz
+ * @arg RCC_MSIRANGE_4: MSI clock is around 1.048 MHz
+ * @arg RCC_MSIRANGE_5: MSI clock is around 2.097 MHz (default after Reset or wake-up from STANDBY)
+ * @arg RCC_MSIRANGE_6: MSI clock is around 4.194 MHz
+ */
+#define __HAL_RCC_MSI_RANGE_CONFIG(__RCC_MSIRange__) (MODIFY_REG(RCC->ICSCR,\
+ RCC_ICSCR_MSIRANGE, (uint32_t)(__RCC_MSIRange__) ))
+
+/** @brief Macros to enable or disable the Internal Low Speed oscillator (LSI).
+ * @note After enabling the LSI, the application software should wait on
+ * LSIRDY flag to be set indicating that LSI clock is stable and can
+ * be used to clock the IWDG and/or the RTC.
+ * @note LSI can not be disabled if the IWDG is running.
+ * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
+ * clock cycles.
+ */
+#define __HAL_RCC_LSI_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_LSION)
+#define __HAL_RCC_LSI_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_LSION)
+
+/**
+ * @brief Macro to configure the External High Speed oscillator (HSE).
+ * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
+ * software should wait on HSERDY flag to be set indicating that HSE clock
+ * is stable and can be used to clock the PLL and/or system clock.
+ * @note HSE state can not be changed if it is used directly or through the
+ * PLL as system clock. In this case, you have to select another source
+ * of the system clock then change the HSE state (ex. disable it).
+ * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
+ * @note This function reset the CSSON bit, so if the clock security system(CSS)
+ * was previously enabled you have to enable it again after calling this
+ * function.
+ * @param __STATE__: specifies the new state of the HSE.
+ * This parameter can be one of the following values:
+ * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
+ * 6 HSE oscillator clock cycles.
+ * @arg RCC_HSE_ON: turn ON the HSE oscillator.
+ * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
+ */
+#define __HAL_RCC_HSE_CONFIG(__STATE__) \
+ MODIFY_REG(RCC->CR, RCC_CR_HSEON|RCC_CR_HSEBYP, (uint32_t)(__STATE__))
+
+/**
+ * @brief Macro to configure the External Low Speed oscillator (LSE).
+ * @note As the LSE is in the Backup domain and write access is denied to
+ * this domain after reset, you have to enable write access using
+ * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
+ * (to be done once after reset).
+ * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
+ * software should wait on LSERDY flag to be set indicating that LSE clock
+ * is stable and can be used to clock the RTC.
+ * @param __STATE__: specifies the new state of the LSE.
+ * This parameter can be one of the following values:
+ * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
+ * 6 LSE oscillator clock cycles.
+ * @arg RCC_LSE_ON: turn ON the LSE oscillator.
+ * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
+ */
+#define __HAL_RCC_LSE_CONFIG(__STATE__) \
+ MODIFY_REG(RCC->CSR, RCC_CSR_LSEON|RCC_CSR_LSEBYP, (uint32_t)(__STATE__))
+
+/** @brief Macros to enable or disable the the RTC clock.
+ * @note These macros must be used only after the RTC clock source was selected.
+ */
+#define __HAL_RCC_RTC_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_RTCEN)
+#define __HAL_RCC_RTC_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_RTCEN)
+
+/**
+ * @brief Configures or Get the RTC and LCD clock (RTCCLK / LCDCLK).
+ * @note As the RTC clock configuration bits are in the RTC domain and write
+ * access is denied to this domain after reset, you have to enable write
+ * access using PWR_RTCAccessCmd(ENABLE) function before to configure
+ * the RTC clock source (to be done once after reset).
+ * @note Once the RTC clock is configured it can't be changed unless the RTC
+ * is reset using RCC_RTCResetCmd function, or by a Power On Reset (POR)
+ * @note The RTC clock (RTCCLK) is used also to clock the LCD (LCDCLK).
+ *
+ * @param RCC_RTCCLKSource: specifies the RTC clock source.
+ * This parameter can be one of the following values:
+ * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock
+ * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock
+ * @arg RCC_RTCCLKSOURCE_HSE_DIV2: HSE divided by 2 selected as RTC clock
+ * @arg RCC_RTCCLKSOURCE_HSE_DIV4: HSE divided by 4 selected as RTC clock
+ * @arg RCC_RTCCLKSOURCE_HSE_DIV8: HSE divided by 8 selected as RTC clock
+ * @arg RCC_RTCCLKSOURCE_HSE_DIV16: HSE divided by 16 selected as RTC clock
+ *
+ * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
+ * work in STOP and STANDBY modes, and can be used as wakeup source.
+ * However, when the HSE clock is used as RTC clock source, the RTC
+ * cannot be used in STOP and STANDBY modes.
+ * @note The maximum input clock frequency for RTC is 1MHz (when using HSE as
+ * RTC clock source).
+ */
+#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_CSR_RTCSEL) == RCC_CSR_RTCSEL) ? \
+ MODIFY_REG(RCC->CR, RCC_CR_RTCPRE, ((__RTCCLKSource__) & 0xFFFCFFFF)) : CLEAR_BIT(RCC->CR, RCC_CR_RTCPRE)
+
+#define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__); \
+ MODIFY_REG( RCC->CSR, RCC_CSR_RTCSEL, (uint32_t)(__RTCCLKSource__)); \
+ } while (0)
+
+#define __HAL_RCC_GET_RTC_SOURCE() ((uint32_t)(READ_BIT(RCC->CCIPR, RCC_CSR_RTCSEL)))
+
+/** @brief Macros to force or release the Backup domain reset.
+ * @note This function resets the RTC peripheral (including the backup registers)
+ * and the RTC clock source selection in RCC_CSR register.
+ * @note The BKPSRAM is not affected by this reset.
+ */
+#define __HAL_RCC_BACKUPRESET_FORCE() SET_BIT(RCC->CSR, RCC_CSR_RTCRST)
+#define __HAL_RCC_BACKUPRESET_RELEASE() CLEAR_BIT(RCC->CSR, RCC_CSR_RTCRST)
+
+/** @brief Macros to enable or disable the main PLL.
+ * @note After enabling the main PLL, the application software should wait on
+ * PLLRDY flag to be set indicating that PLL clock is stable and can
+ * be used as system clock source.
+ * @note The main PLL can not be disabled if it is used as system clock source
+ * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
+ */
+#define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON)
+#define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON)
+
+/** @brief Macro to configure the main PLL clock source, multiplication and division factors.
+ * @note This function must be used only when the main PLL is disabled.
+ * @param __RCC_PLLSource__: specifies the PLL entry clock source.
+ * This parameter can be one of the following values:
+ * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
+ * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
+ * @param __PLLMUL__: specifies the multiplication factor to generate the PLL VCO clock
+ * This parameter must be one of the following values:
+ * @arg RCC_CFGR_PLLMUL3: PLLVCO = PLL clock entry x 3
+ * @arg RCC_CFGR_PLLMUL4: PLLVCO = PLL clock entry x 4
+ * @arg RCC_CFGR_PLLMUL6: PLLVCO = PLL clock entry x 6
+ * @arg RCC_CFGR_PLLMUL8: PLLVCO = PLL clock entry x 8
+ * @arg RCC_CFGR_PLLMUL12: PLLVCO = PLL clock entry x 12
+ * @arg RCC_CFGR_PLLMUL16: PLLVCO = PLL clock entry x 16
+ * @arg RCC_CFGR_PLLMUL24: PLLVCO = PLL clock entry x 24
+ * @arg RCC_CFGR_PLLMUL32: PLLVCO = PLL clock entry x 32
+ * @arg RCC_CFGR_PLLMUL48: PLLVCO = PLL clock entry x 48
+ * @note The PLL VCO clock frequency must not exceed 96 MHz when the product is in
+ * Range 1, 48 MHz when the product is in Range 2 and 24 MHz when the product is
+ * in Range 3.
+ * @param __PLLDIV__: specifies the PLL output clock division from PLL VCO clock
+ * This parameter must be one of the following values:
+ * @arg RCC_PLLDIV_2: PLL clock output = PLLVCO / 2
+ * @arg RCC_PLLDIV_3: PLL clock output = PLLVCO / 3
+ * @arg RCC_PLLDIV_4: PLL clock output = PLLVCO / 4
+ */
+
+#define __HAL_RCC_PLL_CONFIG(__RCC_PLLSource__ , __PLLMUL__ ,__PLLDIV__ ) \
+ MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLMUL | RCC_CFGR_PLLDIV | RCC_CFGR_PLLSRC, (uint32_t)((__PLLMUL__)| (__PLLDIV__)| (__RCC_PLLSource__)))
+
+/** @brief Macro to get the clock source used as system clock.
+ * @retval The clock source used as system clock. The returned value can be one
+ * of the following:
+ * - RCC_CFGR_SWS_HSI: HSI used as system clock.
+ * - RCC_CFGR_SWS_HSE: HSE used as system clock.
+ * - RCC_CFGR_SWS_PLL: PLL used as system clock.
+ */
+#define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS))
+
+/** @brief Macro to get the oscillator used as PLL clock source.
+ * @retval The oscillator used as PLL clock source. The returned value can be one
+ * of the following:
+ * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
+ * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
+ */
+#define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_PLLSRC))
+
+/** @defgroup RCC_Flags_Interrupts_Management
+ * @brief macros to manage the specified RCC Flags and interrupts.
+ * @{
+ */
+
+/** @brief Enable RCC interrupt (Perform Byte access to RCC_CIER[0:7] bits to enable
+ * the selected interrupts).
+ * @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled
+ * and if the HSE clock fails, the CSS interrupt occurs and an NMI is
+ * automatically generated. The NMI will be executed indefinitely, and
+ * since NMI has higher priority than any other IRQ (and main program)
+ * the application will be stacked in the NMI ISR unless the CSS interrupt
+ * pending bit is cleared.
+ * @param __INTERRUPT__: specifies the RCC interrupt sources to be enabled.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_MSIRDY: MSI ready interrupt
+ * @arg RCC_IT_LSECSS: LSE CSS interrupt
+ */
+#define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) CIER_BYTE0_ADDRESS |= (__INTERRUPT__))
+
+/** @brief Disable RCC interrupt (Perform Byte access to RCC_CIER[0:7] bits to disable
+ * the selected interrupts).
+ * @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled
+ * and if the HSE clock fails, the CSS interrupt occurs and an NMI is
+ * automatically generated. The NMI will be executed indefinitely, and
+ * since NMI has higher priority than any other IRQ (and main program)
+ * the application will be stacked in the NMI ISR unless the CSS interrupt
+ * pending bit is cleared.
+ * @param __INTERRUPT__: specifies the RCC interrupt sources to be disabled.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_MSIRDY: MSI ready interrupt
+ * @arg RCC_IT_LSECSS: LSE CSS interrupt
+ */
+#define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) CIER_BYTE0_ADDRESS &= ~(__INTERRUPT__))
+
+/** @brief Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
+ * bits to clear the selected interrupt pending bits.
+ * @param __INTERRUPT__: specifies the interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_MSIRDY: MSI ready interrupt
+ * @arg RCC_IT_LSECSS: LSE CSS interrupt
+ * @arg RCC_IT_CSS: Clock Security System interrupt
+ */
+ #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) SET_BIT(RCC->CICR, (__INTERRUPT__))
+
+/** @brief Check the RCC's interrupt has occurred or not.
+ * @param __INTERRUPT__: specifies the RCC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_MSIRDY: MSI ready interrupt
+ * @arg RCC_IT_LSECSS: LSE CSS interrupt
+ * @arg RCC_IT_CSS: Clock Security System interrupt
+ * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
+ */
+#define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIFR & (__INTERRUPT__)) == (__INTERRUPT__))
+
+/** @brief Set RMVF bit to clear the reset flags.
+ * The reset flags are: RCC_FLAG_OBLRST, RCC_FLAG_PINRST, RCC_FLAG_PORRST,
+ * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST.
+ */
+#define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
+
+/** @brief Check RCC flag is set or not.
+ * @param __FLAG__: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready
+ * @arg RCC_FLAG_MSIRDY: MSI oscillator clock ready
+ * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready
+ * @arg RCC_FLAG_PLLRDY: PLL clock ready
+ * @arg RCC_FLAG_LSECSS: LSE oscillator clock CSS detected
+ * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready
+ * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready
+ * @arg RCC_FLAG_OBLRST: Option Byte Loader (OBL) reset
+ * @arg RCC_FLAG_PINRST: Pin reset
+ * @arg RCC_FLAG_PORRST: POR/PDR reset
+ * @arg RCC_FLAG_SFTRST: Software reset
+ * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset
+ * @arg RCC_FLAG_WWDGRST: Window Watchdog reset
+ * @arg RCC_FLAG_LPWRRST: Low Power reset
+ * @retval The new state of __FLAG__ (TRUE or FALSE).
+ */
+#define RCC_FLAG_MASK ((uint8_t)0x1F)
+#define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5) == 1)? RCC->CR :((((__FLAG__) >> 5) == 2) ? RCC->CSR :((((__FLAG__) >> 5) == 3)? \
+ RCC->CRRCR :RCC->CIFR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK))) != 0 ) ? 1 : 0 )
+
+/**
+ * @}
+ */
+
+#define __RCC_PLLSRC() ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> POSITION_VAL(RCC_PLLCFGR_PLLSRC))
+/**
+ * @}
+ */
+
+/* Include RCC HAL Extension module */
+#include "stm32L0xx_hal_rcc_ex.h"
+
+/* Exported functions --------------------------------------------------------*/
+/* Initialization and de-initialization methods ******************************/
+void HAL_RCC_DeInit(void);
+HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
+HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
+
+/* Peripheral Control methods ************************************************/
+void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
+void HAL_RCC_EnableCSS(void);
+uint32_t HAL_RCC_GetSysClockFreq(void);
+uint32_t HAL_RCC_GetHCLKFreq(void);
+uint32_t HAL_RCC_GetPCLK1Freq(void);
+uint32_t HAL_RCC_GetPCLK2Freq(void);
+void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
+void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
+
+/* CSS NMI IRQ handler */
+void HAL_RCC_NMI_IRQHandler(void);
+
+/* User Callbacks in non blocking mode (IT mode) */
+void HAL_RCC_CCSCallback(void);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L0xx_HAL_RCC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/