hal_lld.h
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file STM32F1xx/hal_lld.h
* @brief STM32F1xx 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:
* - STM32F10X_LD_VL for Value Line Low Density devices.
* - STM32F10X_MD_VL for Value Line Medium Density devices.
* - STM32F10X_LD for Performance Low Density devices.
* - STM32F10X_MD for Performance Medium Density devices.
* - STM32F10X_HD for Performance High Density devices.
* - STM32F10X_XL for Performance eXtra Density devices.
* - STM32F10X_CL for Connectivity Line devices.
* .
*
* @addtogroup HAL
* @{
*/
#ifndef _HAL_LLD_H_
#define _HAL_LLD_H_
#include "stm32.h"
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Defines the support for realtime counters in the HAL.
*/
#define HAL_IMPLEMENTS_COUNTERS TRUE
/**
* @name Internal clock sources
* @{
*/
#define STM32_HSICLK 8000000 /**< High speed internal clock. */
#define STM32_LSICLK 40000 /**< Low speed internal clock. */
/** @} */
/**
* @name PWR_CR register bits definitions
* @{
*/
#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */
#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */
#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */
#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */
#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */
#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */
#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */
#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */
#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */
/** @} */
/*===========================================================================*/
/* Platform capabilities. */
/*===========================================================================*/
/**
* @name STM32F1xx capabilities
* @{
*/
/* RTC attributes.*/
#define STM32_HAS_RTC TRUE
#define STM32_RTC_HAS_SUBSECONDS TRUE
#define STM32_RTC_IS_CALENDAR FALSE
/** @} */
/*===========================================================================*/
/* 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 Enables or disables the programmable voltage detector.
*/
#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
#define STM32_PVD_ENABLE FALSE
#endif
/**
* @brief Sets voltage level for programmable voltage detector.
*/
#if !defined(STM32_PLS) || defined(__DOXYGEN__)
#define STM32_PLS STM32_PLS_LEV0
#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
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
#if defined(__DOXYGEN__)
/**
* @name Platform identification
* @{
*/
#define PLATFORM_NAME "STM32"
/** @} */
#elif defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
defined(STM32F10X_HD_VL) || defined(__DOXYGEN__)
#include "hal_lld_f100.h"
#elif defined(STM32F10X_LD) || defined(STM32F10X_MD) || \
defined(STM32F10X_HD) || defined(STM32F10X_XL) || \
defined(__DOXYGEN__)
#include "hal_lld_f103.h"
#elif defined(STM32F10X_CL) || defined(__DOXYGEN__)
#include "hal_lld_f105_f107.h"
#else
#error "unspecified, unsupported or invalid STM32 platform"
#endif
/* There are differences in vector names in the various sub-families,
normalizing.*/
#if defined(STM32F10X_XL)
#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
#elif defined(STM32F10X_LD_VL)|| defined(STM32F10X_MD_VL) || \
defined(STM32F10X_HD_VL)
#define TIM1_BRK_IRQn TIM1_BRK_TIM15_IRQn
#define TIM1_UP_IRQn TIM1_UP_TIM16_IRQn
#define TIM1_TRG_COM_IRQn TIM1_TRG_COM_TIM17_IRQn
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type representing a system clock frequency.
*/
typedef uint32_t halclock_t;
/**
* @brief Type of the realtime free counter value.
*/
typedef uint32_t halrtcnt_t;
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @brief Returns the current value of the system free running counter.
* @note This service is implemented by returning the content of the
* DWT_CYCCNT register.
*
* @return The value of the system free running counter of
* type halrtcnt_t.
*
* @notapi
*/
#define hal_lld_get_counter_value() DWT_CYCCNT
/**
* @brief Realtime counter frequency.
* @note The DWT_CYCCNT register is incremented directly by the system
* clock so this function returns STM32_HCLK.
*
* @return The realtime counter frequency of type halclock_t.
*
* @notapi
*/
#define hal_lld_get_counter_frequency() STM32_HCLK
/*===========================================================================*/
/* 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_ */
/** @} */