diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-07-27 12:22:07 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-07-27 12:22:07 +0000 |
| commit | de3354237212038456fadffcc252b4365815634a (patch) | |
| tree | 1b448798653fdc0834b5ad66fcf5d9c9267959fc /os/hal/platforms/STM32F2xx/hal_lld.h | |
| parent | 505ca5b1178585643b402fb52d1e076f20737002 (diff) | |
| download | ChibiOS-de3354237212038456fadffcc252b4365815634a.tar.gz ChibiOS-de3354237212038456fadffcc252b4365815634a.tar.bz2 ChibiOS-de3354237212038456fadffcc252b4365815634a.zip | |
Provisional STM32L1xx and STM32F2xx support.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3180 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32F2xx/hal_lld.h')
| -rw-r--r-- | os/hal/platforms/STM32F2xx/hal_lld.h | 957 |
1 files changed, 957 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32F2xx/hal_lld.h b/os/hal/platforms/STM32F2xx/hal_lld.h new file mode 100644 index 000000000..0cdfc69c9 --- /dev/null +++ b/os/hal/platforms/STM32F2xx/hal_lld.h @@ -0,0 +1,957 @@ +/*
+ 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 STM32F2xx/hal_lld.h
+ * @brief STM32F2xx 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.
+ * .
+ * One of the following macros must also be defined:
+ * - STM32F2XX for High-performance STM32 F-2 devices.
+ * .
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+/* Tricks required to make the TRUE/FALSE declaration inside the library
+ compatible.*/
+#undef FALSE
+#undef TRUE
+#include "stm32f2xx.h"
+#define FALSE 0
+#define TRUE (!FALSE)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Platform name.
+ */
+#define PLATFORM_NAME "STM32F2 High performance"
+
+#define STM32_HSICLK 16000000 /**< High speed internal clock. */
+#define STM32_LSICLK 38000 /**< Low speed internal clock. */
+
+/* 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. */
+
+/* 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_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. */
+
+/* RCC_PLLI2SCFGR register bits definitions.*/
+#define STM32_PLLI2SN_MASK (511 << 6) /**< PLLI2SN mask. */
+#define STM32_PLLI2SR_MASK (7 << 28) /**< PLLI2SR mask. */
+
+/* STM32F2xx capabilities.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 TRUE
+#define STM32_HAS_ADC3 FALSE
+
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 TRUE
+
+#define STM32_HAS_DAC TRUE
+
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 TRUE
+
+#define STM32_HAS_ETH TRUE
+
+#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_I2C1 TRUE
+#define STM32_HAS_I2C2 TRUE
+
+#define STM32_HAS_RTC TRUE
+
+#define STM32_HAS_SDIO TRUE
+
+#define STM32_HAS_SPI1 TRUE
+#define STM32_HAS_SPI2 TRUE
+#define STM32_HAS_SPI3 TRUE
+
+#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 TRUE
+#define STM32_HAS_TIM7 TRUE
+#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
+
+#define STM32_HAS_USART1 TRUE
+#define STM32_HAS_USART2 TRUE
+#define STM32_HAS_USART3 TRUE
+#define STM32_HAS_UART3 FALSE
+#define STM32_HAS_UART4 FALSE
+
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 TRUE
+
+/*===========================================================================*/
+/* Platform specific friendly IRQ 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 RTCAlarm_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 Vector168 /**< USB OTG HS Wakeup through
+ EXTI line. */
+#define OTG_HS_IRQHandler Vector16C /**< USB OTG HS. */
+#define DCMI_IRQHandler Vector16C /**< DCMI. */
+#define CRYP_IRQHandler Vector16C /**< CRYP. */
+#define HASH_RNG_IRQHandler Vector16C /**< Hash and Rng. */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @brief Disables the PWR/RCC initialization in the HAL.
+ */
+#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
+#define STM32_NO_INIT FALSE
+#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 ADC clock setting.
+ */
+#if !defined(STM32_ADC_CLOCK_ENABLED) || defined(__DOXYGEN__)
+#define STM32_ADC_CLOCK_ENABLED TRUE
+#endif
+
+/**
+ * @brief USB clock setting.
+ */
+#if !defined(STM32_USB_CLOCK_ENABLED) || defined(__DOXYGEN__)
+#define STM32_USB_CLOCK_ENABLED 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 32MHz system clock from
+ * the internal 16MHz HSI clock.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 120MHz system clock from
+ * the external 25MHz 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 120MHz system clock from
+ * an external 25MHz HSE clock.
+ */
+#if !defined(STM32_PLLM_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLM_VALUE 25
+#endif
+
+/**
+ * @brief PLLN multiplier value.
+ * @note The allowed values are 192..432.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 25MHz HSE clock.
+ */
+#if !defined(STM32_PLLN_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLN_VALUE 240
+#endif
+
+/**
+ * @brief PLLP multiplier value.
+ * @note The allowed values are DIV2, DIV4, DIV6, DIV8.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 25MHz 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 120MHz system clock from
+ * an external 25MHz HSE clock.
+ */
+#if !defined(STM32_PLLQ_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLQ_VALUE 5
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 25MHz 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 prescaler value.
+ */
+#if !defined(STM32_RTCPRE_VALUE) || defined(__DOXYGEN__)
+#define STM32_RTCPRE_VALUE 25
+#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 PLLI2SN multiplier value.
+ * @note The allowed values are 192..432.
+ * @note The default value is calculated for a 48000 I2S clock with
+ * I2SDIV = 12 and I2SODD = 1.
+ */
+#if !defined(STM32_PLLI2SN_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLI2SN_VALUE 384
+#endif
+
+/**
+ * @brief PLLI2SR multiplier value.
+ * @note The allowed values are 2..7.
+ * @note The default value is calculated for a 48000 I2S clock with
+ * I2SDIV = 12 and I2SODD = 1.
+ */
+#if !defined(STM32_PLLI2SP_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLI2SLP_VALUE 5
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/**
+ * @brief Maximum HSECLK.
+ */
+#define STM32_HSECLK_MAX 32000000
+
+/**
+ * @brief Maximum SYSCLK.
+ */
+#define STM32_SYSCLK_MAX 120000000
+
+/**
+ * @brief Maximum frequency thresholds and wait states for flash access.
+ * @note The values are valid for 2.7V to 3.6V supply range.
+ */
+#define STM32_0WS_THRESHOLD 30000000
+#define STM32_1WS_THRESHOLD 60000000
+#define STM32_2WS_THRESHOLD 90000000
+#define STM32_3WS_THRESHOLD 0
+#define STM32_4WS_THRESHOLD 0
+#define STM32_5WS_THRESHOLD 0
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+
+/* HSI related checks.*/
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+#if STM32_ADC_CLOCK_ENABLED || \
+ (STM32_SW == STM32_SW_HSI) || \
+ ((STM32_SW == STM32_SW_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI)) || \
+ (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || \
+ ((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "required HSI clock is not enabled"
+#endif
+#endif /* !STM32_HSI_ENABLED */
+
+/* HSE related checks.*/
+#if STM32_HSE_ENABLED
+#if STM32_HSECLK == 0
+#error "impossible to activate HSE"
+#endif
+#if (STM32_HSECLK < 1000000) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (1MHz...STM32_HSECLK_MAX)"
+#endif
+#else /* !STM32_HSE_ENABLED */
+#if (STM32_SW == STM32_SW_HSE) || \
+ ((STM32_SW == STM32_SW_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
+ (STM32_MCO1SEL == STM32_MCO1SEL_HSE) || \
+ ((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
+ (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || \
+ ((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
+ (STM_RTC_SOURCE == STM32_RTCSEL_HSEDIV)
+#error "required HSE clock is not enabled"
+#endif
+#endif /* !STM32_HSE_ENABLED */
+
+/* LSI related checks.*/
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+#if STM_RTCCLK == STM32_LSICLK
+#error "required LSI clock is not enabled"
+#endif
+#endif /* !STM32_LSI_ENABLED */
+
+/* LSE related checks.*/
+#if STM32_LSE_ENABLED
+#if (STM32_LSECLK == 0)
+#error "impossible to activate LSE"
+#endif
+#if (STM32_LSECLK < 1000) || (STM32_LSECLK > 1000000)
+#error "STM32_LSECLK outside acceptable range (1...1000KHz)"
+#endif
+#else /* !#if STM32_LSE_ENABLED */
+#if STM_RTCCLK == STM32_LSECLK
+#error "required LSE clock is not enabled"
+#endif
+#endif /* !#if STM32_LSE_ENABLED */
+
+/* PLL related checks.*/
+#if STM32_USB_CLOCK_ENABLED || \
+ (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_PLLM field.
+ */
+#if ((STM32_PLLM_VALUE >= 2) && (STM32_PLLM_VALUE <= 63)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLM STM32_PLLM_VALUE
+#else
+#error "invalid STM32_PLLM_VALUE value specified"
+#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 input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#define STM32_PLLCLKIN STM32_HSECLK
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN STM32_HSICLK
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < 4000000) || (STM32_PLLCLKIN > 26000000)
+#error "STM32_PLLCLKIN outside acceptable range (4...26MHz)"
+#endif
+
+/**
+ * @brief PLL VCO frequency.
+ */
+#define STM32_PLLVCO ((STM32_PLLCLKIN / STM32_PLLM_VALUE) * \
+ STM32_PLLN_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLVCO < 192000000) || (STM32_PLLVCO > 432000000)
+#error STM32_PLLVCO
+#error "STM32_PLLVCO outside acceptable range (192...432MHz)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLP_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLCLKOUT < 24000000) || (STM32_PLLCLKOUT > 120000000)
+#error "STM32_PLLCLKOUT outside acceptable range (24...120MHz)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if STM32_NO_INIT || defined(__DOXYGEN__)
+#define STM32_SYSCLK 96000000
+#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_PCLK2 > STM32_SYSCLK_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_SYSCLK_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_SYSCLK_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief RTC frequency.
+ */
+#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 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 (HSECLK / STM32_RTCPRE_VALUE)
+#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 ADC frequency.
+ */
+#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_ADCCLK (STM32_PCLK2 / 2)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
+#define STM32_ADCCLK (STM32_PCLK2 / 4)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV6
+#define STM32_ADCCLK (STM32_PCLK2 / 6)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV8
+#define STM32_ADCCLK (STM32_PCLK2 / 8)
+#else
+#error "invalid STM32_ADCPRE value specified"
+#endif
+
+/* ADC frequency check.*/
+#if STM32_ADCCLK > 30000000
+#error "STM32_ADCCLK exceeding maximum frequency (30MHz)"
+#endif
+
+/**
+ * @brief OTG frequency.
+ */
+#if (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV3) || defined(__DOXYGEN__)
+#define STM32_OTGFSCLK (STM32_PLLVCO / 3)
+#elif (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV2)
+#define STM32_OTGFSCLK (STM32_PLLVCO / 2)
+#else
+#error "invalid STM32_OTGFSPRE value specified"
+#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. */
+/*===========================================================================*/
+
+/* STM32 DMA support code.*/
+//#include "stm32_dma.h"
+
+#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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