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|
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file STM32F4xx/hal_lld.h
* @brief STM32F4xx HAL subsystem low level driver header.
* @pre This module requires the following macros to be defined in the
* @p board.h file:
* - STM32_LSECLK.
* - STM32_HSECLK.
* - STM32_VDD (as hundredths of Volt).
* .
* One of the following macros must also be defined:
* - STM32F4XX for High-performance STM32 F-4 devices.
* .
*
* @addtogroup HAL
* @{
*/
#ifndef _HAL_LLD_H_
#define _HAL_LLD_H_
#include "stm32f4xx.h"
/* STM32 DMA and RCC helpers.*/
#include "stm32_dma.h"
#include "stm32_rcc.h"
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name Platform identification
* @{
*/
#define PLATFORM_NAME "STM32F4 High Performance & DSP"
/** @} */
/**
* @name Absolute Maximum Ratings
* @{
*/
/**
* @brief Maximum HSE clock frequency.
*/
#define STM32_HSECLK_MAX 26000000
/**
* @brief Minimum HSE clock frequency.
*/
#define STM32_HSECLK_MIN 1000000
/**
* @brief Maximum LSE clock frequency.
*/
#define STM32_LSECLK_MAX 1000000
/**
* @brief Minimum LSE clock frequency.
*/
#define STM32_LSECLK_MIN 1000
/**
* @brief Maximum PLLs input clock frequency.
*/
#define STM32_PLLIN_MAX 2000000
/**
* @brief Maximum PLLs input clock frequency.
*/
#define STM32_PLLIN_MIN 950000
/**
* @brief Maximum PLLs VCO clock frequency.
*/
#define STM32_PLLVCO_MAX 432000000
/**
* @brief Maximum PLLs VCO clock frequency.
*/
#define STM32_PLLVCO_MIN 192000000
/**
* @brief Maximum PLL output clock frequency.
*/
#define STM32_PLLOUT_MAX 168000000
/**
* @brief Maximum PLL output clock frequency.
*/
#define STM32_PLLOUT_MIN 24000000
/**
* @brief Maximum APB1 clock frequency.
*/
#define STM32_PCLK1_MAX 42000000
/**
* @brief Maximum APB2 clock frequency.
*/
#define STM32_PCLK2_MAX 84000000
/**
* @brief Maximum SPI/I2S clock frequency.
*/
#define STM32_SPII2S_MAX 37500000
/** @} */
/**
* @name Internal clock sources
* @{
*/
#define STM32_HSICLK 16000000 /**< High speed internal clock. */
#define STM32_LSICLK 38000 /**< Low speed internal clock. */
/** @} */
/**
* @name PWR_CR register bits definitions
* @{
*/
#define STM32_VOS_MASK (1 << 14) /**< Core voltage mask. */
#define STM32_VOS_LOW (0 << 14) /**< Core voltage set to low. */
#define STM32_VOS_HIGH (1 << 14) /**< Core voltage set to high. */
/** @} */
/**
* @name RCC_PLLCFGR register bits definitions
* @{
*/
#define STM32_PLLP_MASK (3 << 16) /**< PLLP mask. */
#define STM32_PLLP_DIV2 (0 << 16) /**< PLL clock divided by 2. */
#define STM32_PLLP_DIV4 (1 << 16) /**< PLL clock divided by 4. */
#define STM32_PLLP_DIV6 (2 << 16) /**< PLL clock divided by 6. */
#define STM32_PLLP_DIV8 (3 << 16) /**< PLL clock divided by 8. */
#define STM32_PLLSRC_HSI (0 << 22) /**< PLL clock source is HSI. */
#define STM32_PLLSRC_HSE (1 << 22) /**< PLL clock source is HSE. */
/** @} */
/**
* @name RCC_CFGR register bits definitions
* @{
*/
#define STM32_SW_MASK (3 << 0) /**< SW mask. */
#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
#define STM32_HPRE_MASK (15 << 4) /**< HPRE mask. */
#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
#define STM32_PPRE1_MASK (7 << 10) /**< PPRE1 mask. */
#define STM32_PPRE1_DIV1 (0 << 10) /**< HCLK divided by 1. */
#define STM32_PPRE1_DIV2 (4 << 10) /**< HCLK divided by 2. */
#define STM32_PPRE1_DIV4 (5 << 10) /**< HCLK divided by 4. */
#define STM32_PPRE1_DIV8 (6 << 10) /**< HCLK divided by 8. */
#define STM32_PPRE1_DIV16 (7 << 10) /**< HCLK divided by 16. */
#define STM32_PPRE2_MASK (7 << 13) /**< PPRE2 mask. */
#define STM32_PPRE2_DIV1 (0 << 13) /**< HCLK divided by 1. */
#define STM32_PPRE2_DIV2 (4 << 13) /**< HCLK divided by 2. */
#define STM32_PPRE2_DIV4 (5 << 13) /**< HCLK divided by 4. */
#define STM32_PPRE2_DIV8 (6 << 13) /**< HCLK divided by 8. */
#define STM32_PPRE2_DIV16 (7 << 13) /**< HCLK divided by 16. */
#define STM32_RTCPRE_MASK (31 << 16) /**< RTCPRE mask. */
#define STM32_MCO1SEL_MASK (3 << 21) /**< MCO1 mask. */
#define STM32_MCO1SEL_HSI (0 << 21) /**< HSI clock on MCO1 pin. */
#define STM32_MCO1SEL_LSE (1 << 21) /**< LSE clock on MCO1 pin. */
#define STM32_MCO1SEL_HSE (2 << 21) /**< HSE clock on MCO1 pin. */
#define STM32_MCO1SEL_PLL (3 << 21) /**< PLL clock on MCO1 pin. */
#define STM32_I2CSRC_MASK (1 << 23) /**< I2CSRC mask. */
#define STM32_I2CSRC_PLLI2S (0 << 23) /**< I2SSRC is PLLI2S. */
#define STM32_I2CSRC_CKIN (1 << 23) /**< I2S_CKIN is PLLI2S. */
#define STM32_MCO1PRE_MASK (7 << 24) /**< MCO1PRE mask. */
#define STM32_MCO1PRE_DIV1 (0 << 24) /**< MCO1 divided by 1. */
#define STM32_MCO1PRE_DIV2 (1 << 24) /**< MCO1 divided by 2. */
#define STM32_MCO1PRE_DIV3 (2 << 24) /**< MCO1 divided by 3. */
#define STM32_MCO1PRE_DIV4 (3 << 24) /**< MCO1 divided by 4. */
#define STM32_MCO1PRE_DIV5 (4 << 24) /**< MCO1 divided by 5. */
#define STM32_MCO2PRE_MASK (7 << 27) /**< MCO2PRE mask. */
#define STM32_MCO2PRE_DIV1 (0 << 27) /**< MCO2 divided by 1. */
#define STM32_MCO2PRE_DIV2 (4 << 27) /**< MCO2 divided by 2. */
#define STM32_MCO2PRE_DIV3 (5 << 27) /**< MCO2 divided by 3. */
#define STM32_MCO2PRE_DIV4 (6 << 27) /**< MCO2 divided by 4. */
#define STM32_MCO2PRE_DIV5 (7 << 27) /**< MCO2 divided by 5. */
#define STM32_MCO2SEL_MASK (3 << 30) /**< MCO2 mask. */
#define STM32_MCO2SEL_SYSCLK (0 << 30) /**< SYSCLK clock on MCO2 pin. */
#define STM32_MCO2SEL_PLLI2S (1 << 30) /**< PLLI2S clock on MCO2 pin. */
#define STM32_MCO2SEL_HSE (2 << 30) /**< HSE clock on MCO2 pin. */
#define STM32_MCO2SEL_PLL (3 << 30) /**< PLL clock on MCO2 pin. */
/**
* @name RCC_PLLI2SCFGR register bits definitions
* @{
*/
#define STM32_PLLI2SN_MASK (511 << 6) /**< PLLI2SN mask. */
#define STM32_PLLI2SR_MASK (7 << 28) /**< PLLI2SR mask. */
/** @} */
/**
* @name RCC_BDCR register bits definitions
* @{
*/
#define STM32_RTCSEL_MASK (3 << 8) /**< RTC source mask. */
#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No RTC source. */
#define STM32_RTCSEL_LSE (1 << 8) /**< RTC source is LSE. */
#define STM32_RTCSEL_LSI (2 << 8) /**< RTC source is LSI. */
#define STM32_RTCSEL_HSEDIV (3 << 8) /**< RTC source is HSE divided. */
/** @} */
/*===========================================================================*/
/* Platform capabilities. */
/*===========================================================================*/
/**
* @name STM32F4xx capabilities
* @{
*/
/* ADC attributes.*/
#define STM32_HAS_ADC1 TRUE
#define STM32_HAS_ADC2 TRUE
#define STM32_HAS_ADC3 TRUE
/* CAN attributes.*/
#define STM32_HAS_CAN1 TRUE
#define STM32_HAS_CAN2 TRUE
/* DAC attributes.*/
#define STM32_HAS_DAC TRUE
/* DMA attributes.*/
#define STM32_ADVANCED_DMA TRUE
#define STM32_HAS_DMA1 TRUE
#define STM32_HAS_DMA2 TRUE
/* ETH attributes.*/
#define STM32_HAS_ETH TRUE
/* EXTI attributes.*/
#define STM32_EXTI_NUM_CHANNELS 23
/* GPIO attributes.*/
#define STM32_HAS_GPIOA TRUE
#define STM32_HAS_GPIOB TRUE
#define STM32_HAS_GPIOC TRUE
#define STM32_HAS_GPIOD TRUE
#define STM32_HAS_GPIOE TRUE
#define STM32_HAS_GPIOF TRUE
#define STM32_HAS_GPIOG TRUE
#define STM32_HAS_GPIOH TRUE
#define STM32_HAS_GPIOI TRUE
/* I2C attributes.*/
#define STM32_HAS_I2C1 TRUE
#define STM32_HAS_I2C2 TRUE
#define STM32_HAS_I2C3 TRUE
/* RTC attributes.*/
#define STM32_HAS_RTC TRUE
/* SDIO attributes.*/
#define STM32_HAS_SDIO TRUE
/* SPI attributes.*/
#define STM32_HAS_SPI1 TRUE
#define STM32_SPI1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) | \
STM32_DMA_STREAM_ID_MSK(2, 2))
#define STM32_SPI1_RX_DMA_CHN 0x00000303
#define STM32_SPI1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3) | \
STM32_DMA_STREAM_ID_MSK(2, 5))
#define STM32_SPI1_TX_DMA_CHN 0x00303000
#define STM32_HAS_SPI2 TRUE
#define STM32_SPI2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3))
#define STM32_SPI2_RX_DMA_CHN 0x00000000
#define STM32_SPI2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4))
#define STM32_SPI2_TX_DMA_CHN 0x00000000
#define STM32_HAS_SPI3 TRUE
#define STM32_SPI3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 0) | \
STM32_DMA_STREAM_ID_MSK(1, 2))
#define STM32_SPI3_RX_DMA_CHN 0x00000000
#define STM32_SPI3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5) | \
STM32_DMA_STREAM_ID_MSK(1, 7))
#define STM32_SPI3_TX_DMA_CHN 0x00000000
/* TIM attributes.*/
#define STM32_HAS_TIM1 TRUE
#define STM32_HAS_TIM2 TRUE
#define STM32_HAS_TIM3 TRUE
#define STM32_HAS_TIM4 TRUE
#define STM32_HAS_TIM5 TRUE
#define STM32_HAS_TIM6 FALSE
#define STM32_HAS_TIM7 FALSE
#define STM32_HAS_TIM8 TRUE
#define STM32_HAS_TIM9 TRUE
#define STM32_HAS_TIM10 TRUE
#define STM32_HAS_TIM11 TRUE
#define STM32_HAS_TIM12 TRUE
#define STM32_HAS_TIM13 TRUE
#define STM32_HAS_TIM14 TRUE
#define STM32_HAS_TIM15 FALSE
#define STM32_HAS_TIM16 FALSE
#define STM32_HAS_TIM17 FALSE
/* USART attributes.*/
#define STM32_HAS_USART1 TRUE
#define STM32_HAS_USART2 TRUE
#define STM32_HAS_USART3 TRUE
#define STM32_HAS_UART4 TRUE
#define STM32_HAS_UART5 TRUE
#define STM32_HAS_USART6 TRUE
/* USB attributes.*/
#define STM32_HAS_USB FALSE
#define STM32_HAS_OTG1 TRUE
#define STM32_HAS_OTG2 TRUE
/** @} */
/*===========================================================================*/
/* Platform specific friendly IRQ names. */
/*===========================================================================*/
/**
* @name IRQ VECTOR names
* @{
*/
#define WWDG_IRQHandler Vector40 /**< Window Watchdog. */
#define PVD_IRQHandler Vector44 /**< PVD through EXTI Line
detect. */
#define TAMPER_IRQHandler Vector48 /**< Tamper. */
#define RTC_IRQHandler Vector4C /**< RTC. */
#define FLASH_IRQHandler Vector50 /**< Flash. */
#define RCC_IRQHandler Vector54 /**< RCC. */
#define EXTI0_IRQHandler Vector58 /**< EXTI Line 0. */
#define EXTI1_IRQHandler Vector5C /**< EXTI Line 1. */
#define EXTI2_IRQHandler Vector60 /**< EXTI Line 2. */
#define EXTI3_IRQHandler Vector64 /**< EXTI Line 3. */
#define EXTI4_IRQHandler Vector68 /**< EXTI Line 4. */
#define DMA1_Stream0_IRQHandler Vector6C /**< DMA1 Stream 0. */
#define DMA1_Stream1_IRQHandler Vector70 /**< DMA1 Stream 1. */
#define DMA1_Stream2_IRQHandler Vector74 /**< DMA1 Stream 2. */
#define DMA1_Stream3_IRQHandler Vector78 /**< DMA1 Stream 3. */
#define DMA1_Stream4_IRQHandler Vector7C /**< DMA1 Stream 4. */
#define DMA1_Stream5_IRQHandler Vector80 /**< DMA1 Stream 5. */
#define DMA1_Stream6_IRQHandler Vector84 /**< DMA1 Stream 6. */
#define ADC1_2_3_IRQHandler Vector88 /**< ADC1, ADC2 and ADC3. */
#define CAN1_TX_IRQHandler Vector8C /**< CAN1 TX. */
#define CAN1_RX0_IRQHandler Vector90 /**< CAN1 RX0. */
#define CAN1_RX1_IRQHandler Vector94 /**< CAN1 RX1. */
#define CAN1_SCE_IRQHandler Vector98 /**< CAN1 SCE. */
#define EXTI9_5_IRQHandler Vector9C /**< EXTI Line 9..5. */
#define TIM1_BRK_IRQHandler VectorA0 /**< TIM1 Break. */
#define TIM1_UP_IRQHandler VectorA4 /**< TIM1 Update. */
#define TIM1_TRG_COM_IRQHandler VectorA8 /**< TIM1 Trigger and
Commutation. */
#define TIM1_CC_IRQHandler VectorAC /**< TIM1 Capture Compare. */
#define TIM2_IRQHandler VectorB0 /**< TIM2. */
#define TIM3_IRQHandler VectorB4 /**< TIM3. */
#define TIM4_IRQHandler VectorB8 /**< TIM4. */
#define I2C1_EV_IRQHandler VectorBC /**< I2C1 Event. */
#define I2C1_ER_IRQHandler VectorC0 /**< I2C1 Error. */
#define I2C2_EV_IRQHandler VectorC4 /**< I2C2 Event. */
#define I2C2_ER_IRQHandler VectorC8 /**< I2C1 Error. */
#define SPI1_IRQHandler VectorCC /**< SPI1. */
#define SPI2_IRQHandler VectorD0 /**< SPI2. */
#define USART1_IRQHandler VectorD4 /**< USART1. */
#define USART2_IRQHandler VectorD8 /**< USART2. */
#define USART3_IRQHandler VectorDC /**< USART3. */
#define EXTI15_10_IRQHandler VectorE0 /**< EXTI Line 15..10. */
#define RTC_Alarm_IRQHandler VectorE4 /**< RTC alarm through EXTI
line. */
#define OTG_FS_WKUP_IRQHandler VectorE8 /**< USB OTG FS Wakeup through
EXTI line. */
#define TIM8_BRK_IRQHandler VectorEC /**< TIM8 Break. */
#define TIM8_UP_IRQHandler VectorF0 /**< TIM8 Update. */
#define TIM8_TRG_COM_IRQHandler VectorF4 /**< TIM8 Trigger and
Commutation. */
#define TIM8_CC_IRQHandler VectorF8 /**< TIM8 Capture Compare. */
#define DMA1_Stream7_IRQHandler VectorFC /**< DMA1 Stream 7. */
#define FSMC_IRQHandler Vector100 /**< FSMC. */
#define TIM5_IRQHandler Vector108 /**< TIM5. */
#define SPI3_IRQHandler Vector10C /**< SPI3. */
#define UART4_IRQHandler Vector110 /**< UART4. */
#define UART5_IRQHandler Vector114 /**< UART5. */
#define TIM6_IRQHandler Vector118 /**< TIM6. */
#define TIM7_IRQHandler Vector11C /**< TIM7. */
#define DMA2_Stream0_IRQHandler Vector120 /**< DMA2 Stream0. */
#define DMA2_Stream1_IRQHandler Vector124 /**< DMA2 Stream1. */
#define DMA2_Stream2_IRQHandler Vector128 /**< DMA2 Stream2. */
#define DMA2_Stream3_IRQHandler Vector12C /**< DMA2 Stream3. */
#define DMA2_Stream4_IRQHandler Vector130 /**< DMA2 Stream4. */
#define ETH_IRQHandler Vector134 /**< Ethernet. */
#define ETH_WKUP_IRQHandler Vector138 /**< Ethernet Wakeup through
EXTI line. */
#define CAN2_TX_IRQHandler Vector13C /**< CAN2 TX. */
#define CAN2_RX0_IRQHandler Vector140 /**< CAN2 RX0. */
#define CAN2_RX1_IRQHandler Vector144 /**< CAN2 RX1. */
#define CAN2_SCE_IRQHandler Vector148 /**< CAN2 SCE. */
#define OTG_FS_IRQHandler Vector14C /**< USB OTG FS. */
#define DMA2_Stream5_IRQHandler Vector150 /**< DMA2 Stream5. */
#define DMA2_Stream6_IRQHandler Vector154 /**< DMA2 Stream6. */
#define DMA2_Stream7_IRQHandler Vector158 /**< DMA2 Stream7. */
#define USART6_IRQHandler Vector15C /**< USART6. */
#define I2C3_EV_IRQHandler Vector160 /**< I2C3 Event. */
#define I2C3_ER_IRQHandler Vector164 /**< I2C3 Error. */
#define OTG_HS_EP1_OUT_IRQHandler Vector168 /**< USB OTG HS End Point 1 Out.*/
#define OTG_HS_EP1_IN_IRQHandler Vector16C /**< USB OTG HS End Point 1 In. */
#define OTG_HS_WKUP_IRQHandler Vector170 /**< USB OTG HS Wakeup through
EXTI line. */
#define OTG_HS_IRQHandler Vector174 /**< USB OTG HS. */
#define DCMI_IRQHandler Vector178 /**< DCMI. */
#define CRYP_IRQHandler Vector17C /**< CRYP. */
#define HASH_RNG_IRQHandler Vector180 /**< Hash and Rng. */
#define FPU_IRQHandler Vector184 /**< Floating Point Unit. */
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief Disables the PWR/RCC initialization in the HAL.
*/
#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
#define STM32_NO_INIT FALSE
#endif
/**
* @brief Core voltage selection.
* @note This setting affects all the performance and clock related
* settings, the maximum performance is only obtainable selecting
* the maximum voltage.
*/
#if !defined(STM32_VOS) || defined(__DOXYGEN__)
#define STM32_VOS STM32_VOS_HIGH
#endif
/**
* @brief Enables or disables the HSI clock source.
*/
#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
#define STM32_HSI_ENABLED TRUE
#endif
/**
* @brief Enables or disables the LSI clock source.
*/
#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
#define STM32_LSI_ENABLED FALSE
#endif
/**
* @brief Enables or disables the HSE clock source.
*/
#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
#define STM32_HSE_ENABLED TRUE
#endif
/**
* @brief Enables or disables the LSE clock source.
*/
#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
#define STM32_LSE_ENABLED FALSE
#endif
/**
* @brief USB clock setting.
*/
#if !defined(STM32_CLOCK48_REQUIRED) || defined(__DOXYGEN__)
#define STM32_CLOCK48_REQUIRED TRUE
#endif
/**
* @brief Main clock source selection.
* @note If the selected clock source is not the PLL then the PLL is not
* initialized and started.
* @note The default value is calculated for a 168MHz system clock from
* an external 8MHz HSE clock.
*/
#if !defined(STM32_SW) || defined(__DOXYGEN__)
#define STM32_SW STM32_SW_PLL
#endif
/**
* @brief Clock source for the PLLs.
* @note This setting has only effect if the PLL is selected as the
* system clock source.
* @note The default value is calculated for a 168MHz system clock from
* an external 8MHz HSE clock.
*/
#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
#define STM32_PLLSRC STM32_PLLSRC_HSE
#endif
/**
* @brief PLLM divider value.
* @note The allowed values are 2..63.
* @note The default value is calculated for a 168MHz system clock from
* an external 8MHz HSE clock.
*/
#if !defined(STM32_PLLM_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLM_VALUE 8
#endif
/**
* @brief PLLN multiplier value.
* @note The allowed values are 192..432.
* @note The default value is calculated for a 168MHz system clock from
* an external 8MHz HSE clock.
*/
#if !defined(STM32_PLLN_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLN_VALUE 336
#endif
/**
* @brief PLLP divider value.
* @note The allowed values are 2, 4, 6, 8.
* @note The default value is calculated for a 168MHz system clock from
* an external 8MHz HSE clock.
*/
#if !defined(STM32_PLLP_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLP_VALUE 2
#endif
/**
* @brief PLLQ multiplier value.
* @note The allowed values are 4..15.
* @note The default value is calculated for a 168MHz system clock from
* an external 8MHz HSE clock.
*/
#if !defined(STM32_PLLQ_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLQ_VALUE 7
#endif
/**
* @brief AHB prescaler value.
* @note The default value is calculated for a 168MHz system clock from
* an external 8MHz HSE clock.
*/
#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
#define STM32_HPRE STM32_HPRE_DIV1
#endif
/**
* @brief APB1 prescaler value.
*/
#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
#define STM32_PPRE1 STM32_PPRE1_DIV4
#endif
/**
* @brief APB2 prescaler value.
*/
#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
#define STM32_PPRE2 STM32_PPRE2_DIV2
#endif
/**
* @brief RTC source clock.
*/
#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
#define STM32_RTCSEL STM32_RTCSEL_LSE
#endif
/**
* @brief RTC HSE prescaler value.
*/
#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
#define STM32_RTCPRE_VALUE 8
#endif
/**
* @brief MC01 clock source value.
* @note The default value outputs HSI clock on MC01 pin.
*/
#if !defined(STM32_MCO1SEL) || defined(__DOXYGEN__)
#define STM32_MCO1SEL STM32_MCO1SEL_HSI
#endif
/**
* @brief MC01 prescaler value.
* @note The default value outputs HSI clock on MC01 pin.
*/
#if !defined(STM32_MCO1PRE) || defined(__DOXYGEN__)
#define STM32_MCO1PRE STM32_MCO1PRE_DIV1
#endif
/**
* @brief MC02 clock source value.
* @note The default value outputs SYSCLK / 5 on MC02 pin.
*/
#if !defined(STM32_MCO2SEL) || defined(__DOXYGEN__)
#define STM32_MCO2SEL STM32_MCO2SEL_SYSCLK
#endif
/**
* @brief MC02 prescaler value.
* @note The default value outputs SYSCLK / 5 on MC02 pin.
*/
#if !defined(STM32_MCO2PRE) || defined(__DOXYGEN__)
#define STM32_MCO2PRE STM32_MCO2PRE_DIV5
#endif
/**
* @brief I2S clock source.
*/
#if !defined(STM32_I2SSRC) || defined(__DOXYGEN__)
#define STM32_I2SSRC STM32_I2CSRC_CKIN
#endif
/**
* @brief PLLI2SN multiplier value.
* @note The allowed values are 192..432.
*/
#if !defined(STM32_PLLI2SN_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLI2SN_VALUE 192
#endif
/**
* @brief PLLI2SR multiplier value.
* @note The allowed values are 2..7.
*/
#if !defined(STM32_PLLI2SR_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLI2SR_VALUE 5
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/**
* @brief Maximum SYSCLK.
* @note It is a function of the core voltage setting.
*/
#if (STM32_VOS == STM32_VOS_HIGH) || defined(__DOXYGEN__)
#define STM32_SYSCLK_MAX 168000000
#else
#define STM32_SYSCLK_MAX 144000000
#endif
/**
* @brief Maximum frequency thresholds and wait states for flash access.
* @note The values are valid for 2.7V to 3.6V supply range.
*/
#if ((STM32_VDD >= 270) && (STM32_VDD <= 360)) || defined(__DOXYGEN__)
#define STM32_0WS_THRESHOLD 30000000
#define STM32_1WS_THRESHOLD 60000000
#define STM32_2WS_THRESHOLD 90000000
#define STM32_3WS_THRESHOLD 120000000
#define STM32_4WS_THRESHOLD 150000000
#define STM32_5WS_THRESHOLD 168000000
#define STM32_6WS_THRESHOLD 0
#define STM32_7WS_THRESHOLD 0
#elif (STM32_VDD >= 240) && (STM32_VDD < 270)
#define STM32_0WS_THRESHOLD 24000000
#define STM32_1WS_THRESHOLD 48000000
#define STM32_2WS_THRESHOLD 72000000
#define STM32_3WS_THRESHOLD 96000000
#define STM32_4WS_THRESHOLD 120000000
#define STM32_5WS_THRESHOLD 144000000
#define STM32_6WS_THRESHOLD 168000000
#define STM32_7WS_THRESHOLD 0
#elif (STM32_VDD >= 210) && (STM32_VDD < 240)
#define STM32_0WS_THRESHOLD 18000000
#define STM32_1WS_THRESHOLD 36000000
#define STM32_2WS_THRESHOLD 54000000
#define STM32_3WS_THRESHOLD 72000000
#define STM32_4WS_THRESHOLD 90000000
#define STM32_5WS_THRESHOLD 108000000
#define STM32_6WS_THRESHOLD 120000000
#define STM32_7WS_THRESHOLD 138000000
#elif (STM32_VDD >= 180) && (STM32_VDD < 210)
#define STM32_0WS_THRESHOLD 16000000
#define STM32_1WS_THRESHOLD 32000000
#define STM32_2WS_THRESHOLD 48000000
#define STM32_3WS_THRESHOLD 64000000
#define STM32_4WS_THRESHOLD 80000000
#define STM32_5WS_THRESHOLD 96000000
#define STM32_6WS_THRESHOLD 112000000
#define STM32_7WS_THRESHOLD 128000000
#else
#error "invalid VDD voltage specified"
#endif
/*
* HSI related checks.
*/
#if STM32_HSI_ENABLED
#else /* !STM32_HSI_ENABLED */
#if STM32_SW == STM32_SW_HSI
#error "HSI not enabled, required by STM32_SW"
#endif
#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
#endif
#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || \
((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSI))
#error "HSI not enabled, required by STM32_MCO1SEL"
#endif
#if (STM32_MCO2SEL == STM32_MCO2SEL_HSI) || \
((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSI))
#error "HSI not enabled, required by STM32_MCO2SEL"
#endif
#if (STM32_I2SSRC == STM32_I2CSRC_PLLI2S) && \
(STM32_PLLSRC == STM32_PLLSRC_HSI)
#error "HSI not enabled, required by STM32_I2SSRC"
#endif
#endif /* !STM32_HSI_ENABLED */
/*
* HSE related checks.
*/
#if STM32_HSE_ENABLED
#if STM32_HSECLK == 0
#error "HSE frequency not defined"
#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
#endif
#else /* !STM32_HSE_ENABLED */
#if STM32_SW == STM32_SW_HSE
#error "HSE not enabled, required by STM32_SW"
#endif
#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
#endif
#if (STM32_MCO1SEL == STM32_MCO1SEL_HSE) || \
((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE))
#error "HSE not enabled, required by STM32_MCO1SEL"
#endif
#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || \
((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE))
#error "HSE not enabled, required by STM32_MCO2SEL"
#endif
#if (STM32_I2SSRC == STM32_I2CSRC_PLLI2S) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE)
#error "HSE not enabled, required by STM32_I2SSRC"
#endif
#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
#error "HSE not enabled, required by STM32_RTCSEL"
#endif
#endif /* !STM32_HSE_ENABLED */
/*
* LSI related checks.
*/
#if STM32_LSI_ENABLED
#else /* !STM32_LSI_ENABLED */
#if STM32_RTCSEL == STM32_RTCSEL_LSI
#error "required LSI clock is not enabled"
#endif
#endif /* !STM32_LSI_ENABLED */
/*
* LSE related checks.
*/
#if STM32_LSE_ENABLED
#if (STM32_LSECLK == 0)
#error "LSE frequency not defined"
#endif
#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
#endif
#else /* !STM32_LSE_ENABLED */
#if STM32_RTCSEL == STM32_RTCSEL_LSE
#error "LSE not enabled, required by STM32_RTCSEL"
#endif
#endif /* !STM32_LSE_ENABLED */
/**
* @brief STM32_PLLM field.
*/
#if ((STM32_PLLM_VALUE >= 2) && (STM32_PLLM_VALUE <= 63)) || \
defined(__DOXYGEN__)
#define STM32_PLLM (STM32_PLLM_VALUE << 0)
#else
#error "invalid STM32_PLLM_VALUE value specified"
#endif
/**
* @brief PLLs input clock frequency.
*/
#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PLLM_VALUE)
#elif STM32_PLLSRC == STM32_PLLSRC_HSI
#define STM32_PLLCLKIN (STM32_HSICLK / STM32_PLLM_VALUE)
#else
#error "invalid STM32_PLLSRC value specified"
#endif
/*
* PLLs input frequency range check.
*/
#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
#endif
/*
* PLL enable check.
*/
#if STM32_CLOCK48_REQUIRED || \
(STM32_SW == STM32_SW_PLL) || \
(STM32_MCO1SEL == STM32_MCO1SEL_PLL) || \
(STM32_MCO2SEL == STM32_MCO2SEL_PLL) || \
defined(__DOXYGEN__)
/**
* @brief PLL activation flag.
*/
#define STM32_ACTIVATE_PLL TRUE
#else
#define STM32_ACTIVATE_PLL FALSE
#endif
/**
* @brief STM32_PLLN field.
*/
#if ((STM32_PLLN_VALUE >= 192) && (STM32_PLLN_VALUE <= 432)) || \
defined(__DOXYGEN__)
#define STM32_PLLN (STM32_PLLN_VALUE << 6)
#else
#error "invalid STM32_PLLN_VALUE value specified"
#endif
/**
* @brief STM32_PLLP field.
*/
#if (STM32_PLLP_VALUE == 2) || defined(__DOXYGEN__)
#define STM32_PLLP (0 << 16)
#elif STM32_PLLP_VALUE == 4
#define STM32_PLLP (1 << 16)
#elif STM32_PLLP_VALUE == 6
#define STM32_PLLP (2 << 16)
#elif STM32_PLLP_VALUE == 8
#define STM32_PLLP (3 << 16)
#else
#error "invalid STM32_PLLP_VALUE value specified"
#endif
/**
* @brief STM32_PLLQ field.
*/
#if ((STM32_PLLQ_VALUE >= 4) && (STM32_PLLQ_VALUE <= 15)) || \
defined(__DOXYGEN__)
#define STM32_PLLQ (STM32_PLLQ_VALUE << 24)
#else
#error "invalid STM32_PLLQ_VALUE value specified"
#endif
/**
* @brief PLL VCO frequency.
*/
#define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLN_VALUE)
/*
* PLL VCO frequency range check.
*/
#if (STM32_PLLVCO < STM32_PLLVCO_MIN) || (STM32_PLLVCO > STM32_PLLVCO_MAX)
#error "STM32_PLLVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)"
#endif
/**
* @brief PLL output clock frequency.
*/
#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLP_VALUE)
/*
* PLL output frequency range check.
*/
#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
#endif
/**
* @brief System clock source.
*/
#if STM32_NO_INIT || defined(__DOXYGEN__)
#define STM32_SYSCLK STM32_HSICLK
#elif (STM32_SW == STM32_SW_HSI)
#define STM32_SYSCLK STM32_HSICLK
#elif (STM32_SW == STM32_SW_HSE)
#define STM32_SYSCLK STM32_HSECLK
#elif (STM32_SW == STM32_SW_PLL)
#define STM32_SYSCLK STM32_PLLCLKOUT
#else
#error "invalid STM32_SW value specified"
#endif
/* Check on the system clock.*/
#if STM32_SYSCLK > STM32_SYSCLK_MAX
#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
#endif
/**
* @brief AHB frequency.
*/
#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
#define STM32_HCLK (STM32_SYSCLK / 1)
#elif STM32_HPRE == STM32_HPRE_DIV2
#define STM32_HCLK (STM32_SYSCLK / 2)
#elif STM32_HPRE == STM32_HPRE_DIV4
#define STM32_HCLK (STM32_SYSCLK / 4)
#elif STM32_HPRE == STM32_HPRE_DIV8
#define STM32_HCLK (STM32_SYSCLK / 8)
#elif STM32_HPRE == STM32_HPRE_DIV16
#define STM32_HCLK (STM32_SYSCLK / 16)
#elif STM32_HPRE == STM32_HPRE_DIV64
#define STM32_HCLK (STM32_SYSCLK / 64)
#elif STM32_HPRE == STM32_HPRE_DIV128
#define STM32_HCLK (STM32_SYSCLK / 128)
#elif STM32_HPRE == STM32_HPRE_DIV256
#define STM32_HCLK (STM32_SYSCLK / 256)
#elif STM32_HPRE == STM32_HPRE_DIV512
#define STM32_HCLK (STM32_SYSCLK / 512)
#else
#error "invalid STM32_HPRE value specified"
#endif
/*
* AHB frequency check.
*/
#if STM32_HCLK > STM32_SYSCLK_MAX
#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
#endif
/**
* @brief APB1 frequency.
*/
#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
#define STM32_PCLK1 (STM32_HCLK / 1)
#elif STM32_PPRE1 == STM32_PPRE1_DIV2
#define STM32_PCLK1 (STM32_HCLK / 2)
#elif STM32_PPRE1 == STM32_PPRE1_DIV4
#define STM32_PCLK1 (STM32_HCLK / 4)
#elif STM32_PPRE1 == STM32_PPRE1_DIV8
#define STM32_PCLK1 (STM32_HCLK / 8)
#elif STM32_PPRE1 == STM32_PPRE1_DIV16
#define STM32_PCLK1 (STM32_HCLK / 16)
#else
#error "invalid STM32_PPRE1 value specified"
#endif
/*
* APB1 frequency check.
*/
#if STM32_PCLK1 > STM32_PCLK1_MAX
#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
#endif
/**
* @brief APB2 frequency.
*/
#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
#define STM32_PCLK2 (STM32_HCLK / 1)
#elif STM32_PPRE2 == STM32_PPRE2_DIV2
#define STM32_PCLK2 (STM32_HCLK / 2)
#elif STM32_PPRE2 == STM32_PPRE2_DIV4
#define STM32_PCLK2 (STM32_HCLK / 4)
#elif STM32_PPRE2 == STM32_PPRE2_DIV8
#define STM32_PCLK2 (STM32_HCLK / 8)
#elif STM32_PPRE2 == STM32_PPRE2_DIV16
#define STM32_PCLK2 (STM32_HCLK / 16)
#else
#error "invalid STM32_PPRE2 value specified"
#endif
/*
* APB2 frequency check.
*/
#if STM32_PCLK2 > STM32_PCLK2_MAX
#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
#endif
/*
* PLLI2S enable check.
*/
#if (STM32_I2CSRC == STM32_I2CSRC_PLLI2S) || defined(__DOXYGEN__)
/**
* @brief PLL activation flag.
*/
#define STM32_ACTIVATE_PLLI2S TRUE
#else
#define STM32_ACTIVATE_PLLI2S FALSE
#endif
/**
* @brief STM32_PLLI2SN field.
*/
#if ((STM32_PLLI2SN_VALUE >= 192) && (STM32_PLLI2SN_VALUE <= 432)) || \
defined(__DOXYGEN__)
#define STM32_PLLI2SN (STM32_PLLI2SN_VALUE << 6)
#else
#error "invalid STM32_PLLI2SN_VALUE value specified"
#endif
/**
* @brief STM32_PLLI2SR field.
*/
#if ((STM32_PLLI2SR_VALUE >= 2) && (STM32_PLLI2SR_VALUE <= 7)) || \
defined(__DOXYGEN__)
#define STM32_PLLI2SR (STM32_PLLI2SR_VALUE << 28)
#else
#error "invalid STM32_PLLI2SR_VALUE value specified"
#endif
/**
* @brief PLL VCO frequency.
*/
#define STM32_PLLI2SVCO (STM32_PLLCLKIN * STM32_PLLI2SN_VALUE)
/*
* PLLI2S VCO frequency range check.
*/
#if (STM32_PLLI2SVCO < STM32_PLLVCO_MIN) || \
(STM32_PLLI2SVCO > STM32_PLLVCO_MAX)
#error "STM32_PLLI2SVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)"
#endif
/**
* @brief PLLI2S output clock frequency.
*/
#define STM32_PLLI2SCLKOUT (STM32_PLLI2SVCO / STM32_PLLI2SR)
/*
* PLLI2S output frequency range check.
*/
#if STM32_PLLI2SCLKOUT > STM32_SPII2S_MAX
#error "STM32_PLLI2SCLKOUT outside acceptable range (STM32_SPII2S_MAX)"
#endif
/**
* @brief MCO1 divider clock.
*/
#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || defined(__DOXYGEN__)
#define STM_MCO1DIVCLK STM32_HSICLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_LSE
#define STM_MCO1DIVCLK STM32_LSECLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_HSE
#define STM_MCO1DIVCLK STM32_HSECLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_PLL
#define STM_MCO1DIVCLK STM32_PLLCLKOUT
#else
#error "invalid STM32_MCO1SEL value specified"
#endif
/**
* @brief MCO1 output pin clock.
*/
#if (STM32_MCO1PRE == STM32_MCO1PRE_DIV1) || defined(__DOXYGEN__)
#define STM_MCO1CLK STM_MCO1DIVCLK
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV2
#define STM_MCO1CLK (STM_MCO1DIVCLK / 2)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV3
#define STM_MCO1CLK (STM_MCO1DIVCLK / 3)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV4
#define STM_MCO1CLK (STM_MCO1DIVCLK / 4)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV5
#define STM_MCO1CLK (STM_MCO1DIVCLK / 5)
#else
#error "invalid STM32_MCO1PRE value specified"
#endif
/**
* @brief MCO2 divider clock.
*/
#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || defined(__DOXYGEN__)
#define STM_MCO2DIVCLK STM32_HSECLK
#elif STM32_MCO2SEL == STM32_MCO2SEL_PLL
#define STM_MCO2DIVCLK STM32_PLLCLKOUT
#elif STM32_MCO2SEL == STM32_MCO2SEL_SYSCLK
#define STM_MCO2DIVCLK STM32_SYSCLK
#elif STM32_MCO2SEL == STM32_MCO2SEL_PLLI2S
#define STM_MCO2DIVCLK STM32_PLLI2S
#else
#error "invalid STM32_MCO2SEL value specified"
#endif
/**
* @brief MCO2 output pin clock.
*/
#if (STM32_MCO2PRE == STM32_MCO2PRE_DIV1) || defined(__DOXYGEN__)
#define STM_MCO2CLK STM_MCO2DIVCLK
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV2
#define STM_MCO2CLK (STM_MCO2DIVCLK / 2)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV3
#define STM_MCO2CLK (STM_MCO2DIVCLK / 3)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV4
#define STM_MCO2CLK (STM_MCO2DIVCLK / 4)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV5
#define STM_MCO2CLK (STM_MCO2DIVCLK / 5)
#else
#error "invalid STM32_MCO2PRE value specified"
#endif
/**
* @brief HSE divider toward RTC clock.
*/
#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \
defined(__DOXYGEN__)
#define STM32_HSEDIVCLK (STM32_HSECLK / STM32_RTCPRE_VALUE)
#else
#error "invalid STM32_RTCPRE value specified"
#endif
/**
* @brief RTC HSE divider setting.
*/
#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \
defined(__DOXYGEN__)
#define STM32_RTCPRE (STM32_RTCPRE_VALUE << 16)
#else
#error "invalid STM32_RTCPRE value specified"
#endif
/**
* @brief RTC clock.
*/
#if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__)
#define STM_RTCCLK 0
#elif STM32_RTCSEL == STM32_RTCSEL_LSE
#define STM_RTCCLK STM32_LSECLK
#elif STM32_RTCSEL == STM32_RTCSEL_LSI
#define STM_RTCCLK STM32_LSICLK
#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
#define STM_RTCCLK STM32_HSEDIVCLK
#else
#error "invalid STM32_RTCSEL value specified"
#endif
/**
* @brief 48MHz frequency.
*/
#if STM32_CLOCK48_REQUIRED || defined(__DOXYGEN__)
#define STM32_PLL48CLK (STM32_PLLVCO / STM32_PLLQ_VALUE)
#else
#define STM32_PLL48CLK 0
#endif
/**
* @brief Timers 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14 clock.
*/
#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
#else
#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
#endif
/**
* @brief Timers 1, 8 clock.
*/
#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
#else
#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
#endif
/**
* @brief Flash settings.
*/
#if (STM32_HCLK <= STM32_0WS_THRESHOLD) || defined(__DOXYGEN__)
#define STM32_FLASHBITS 0x00000000
#elif STM32_HCLK <= STM32_1WS_THRESHOLD
#define STM32_FLASHBITS 0x00000001
#elif STM32_HCLK <= STM32_2WS_THRESHOLD
#define STM32_FLASHBITS 0x00000002
#elif STM32_HCLK <= STM32_3WS_THRESHOLD
#define STM32_FLASHBITS 0x00000003
#elif STM32_HCLK <= STM32_4WS_THRESHOLD
#define STM32_FLASHBITS 0x00000004
#elif STM32_HCLK <= STM32_5WS_THRESHOLD
#define STM32_FLASHBITS 0x00000005
#elif STM32_HCLK <= STM32_6WS_THRESHOLD
#define STM32_FLASHBITS 0x00000006
#else
#define STM32_FLASHBITS 0x00000007
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void hal_lld_init(void);
void stm32_clock_init(void);
#ifdef __cplusplus
}
#endif
#endif /* _HAL_LLD_H_ */
/** @} */
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