/* 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 . */ /** * @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 "stm32.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 (3U << 30) /**< MCO2 mask. */ #define STM32_MCO2SEL_SYSCLK (0U << 30) /**< SYSCLK clock on MCO2 pin. */ #define STM32_MCO2SEL_PLLI2S (1U << 30) /**< PLLI2S clock on MCO2 pin. */ #define STM32_MCO2SEL_HSE (2U << 30) /**< HSE clock on MCO2 pin. */ #define STM32_MCO2SEL_PLL (3U << 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_ADC1_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) | \ STM32_DMA_STREAM_ID_MSK(2, 4)) #define STM32_ADC1_DMA_CHN 0x00000000 #define STM32_HAS_ADC2 TRUE #define STM32_ADC2_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 2) | \ STM32_DMA_STREAM_ID_MSK(2, 3)) #define STM32_ADC2_DMA_CHN 0x00001100 #define STM32_HAS_ADC3 TRUE #define STM32_ADC3_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) | \ STM32_DMA_STREAM_ID_MSK(2, 1)) #define STM32_ADC3_DMA_CHN 0x00000022 /* 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_USART1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 2) | \ STM32_DMA_STREAM_ID_MSK(2, 5)) #define STM32_USART1_RX_DMA_CHN 0x00400400 #define STM32_USART1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 7)) #define STM32_USART1_TX_DMA_CHN 0x40000000 #define STM32_HAS_USART2 TRUE #define STM32_USART2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) #define STM32_USART2_RX_DMA_CHN 0x00400000 #define STM32_USART2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6)) #define STM32_USART2_TX_DMA_CHN 0x04000000 #define STM32_HAS_USART3 TRUE #define STM32_USART3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 1)) #define STM32_USART3_RX_DMA_CHN 0x00400400 #define STM32_USART3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3) | \ STM32_DMA_STREAM_ID_MSK(1, 4)) #define STM32_USART3_TX_DMA_CHN 0x00074040 #define STM32_HAS_UART4 TRUE #define STM32_UART4_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2)) #define STM32_UART4_RX_DMA_CHN 0x00000400 #define STM32_UART4_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) #define STM32_UART4_TX_DMA_CHN 0x00040000 #define STM32_HAS_UART5 TRUE #define STM32_UART5_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 0)) #define STM32_UART5_RX_DMA_CHN 0x00000004 #define STM32_UART5_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) #define STM32_UART5_TX_DMA_CHN 0x40000000 #define STM32_HAS_USART6 TRUE #define STM32_USART6_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 1) | \ STM32_DMA_STREAM_ID_MSK(2, 2)) #define STM32_USART6_RX_DMA_CHN 0x00000550 #define STM32_USART6_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 6) | \ STM32_DMA_STREAM_ID_MSK(2, 7)) #define STM32_USART6_TX_DMA_CHN 0x55000000 /* 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 /* There are differences in vector names in the various sub-families, normalizing.*/ #define TIM1_BRK_IRQn TIM1_BRK_TIM9_IRQn #define TIM1_UP_IRQn TIM1_UP_TIM10_IRQn #define TIM1_TRG_COM_IRQn TIM1_TRG_COM_TIM11_IRQn #define TIM8_BRK_IRQn TIM8_BRK_TIM12_IRQn #define TIM8_UP_IRQn TIM8_UP_TIM13_IRQn #define TIM8_TRG_COM_IRQn TIM8_TRG_COM_TIM14_IRQn /*===========================================================================*/ /* Driver data structures and types. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver macros. */ /*===========================================================================*/ /*===========================================================================*/ /* External declarations. */ /*===========================================================================*/ /* STM32 DMA and RCC helpers.*/ #include "stm32_dma.h" #include "stm32_rcc.h" #ifdef __cplusplus extern "C" { #endif void hal_lld_init(void); void stm32_clock_init(void); #ifdef __cplusplus } #endif #endif /* _HAL_LLD_H_ */ /** @} */