mbed library sources
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Diff: targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_rcc.h
- Revision:
- 181:a4cbdfbbd2f4
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- 217:d0ccc61c1fd4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_rcc.h Wed May 07 13:15:08 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****/