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/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F4xx/hal_lld.h
* @brief STM32F4xx/STM32F2xx HAL subsystem low level driver header.
*
* @addtogroup HAL
* @{
*/
#ifndef HAL_LLD_H
#define HAL_LLD_H
#include "stm32_registry.h"
#if defined(STM32F413xx)
#include "hal_lld_type2.h"
#else
#include "hal_lld_type1.h"
#endif
/* Various helpers.*/
#include "nvic.h"
#include "cache.h"
#include "mpu_v7m.h"
#include "stm32_isr.h"
#include "stm32_dma.h"
#include "stm32_exti.h"
#include "stm32_rcc.h"
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/**
* @brief MCO1 divider clock.
*/
#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || defined(__DOXYGEN__)
#define STM32_MCO1DIVCLK STM32_HSICLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_LSE
#define STM32_MCO1DIVCLK STM32_LSECLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_HSE
#define STM32_MCO1DIVCLK STM32_HSECLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_PLL
#define STM32_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 STM32_MCO1CLK STM32_MCO1DIVCLK
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV2
#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 2)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV3
#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 3)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV4
#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 4)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV5
#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 5)
#else
#error "invalid STM32_MCO1PRE value specified"
#endif
/**
* @brief MCO2 divider clock.
*/
#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || defined(__DOXYGEN__)
#define STM32_MCO2DIVCLK STM32_HSECLK
#elif STM32_MCO2SEL == STM32_MCO2SEL_PLL
#define STM32_MCO2DIVCLK STM32_PLLCLKOUT
#elif STM32_MCO2SEL == STM32_MCO2SEL_SYSCLK
#define STM32_MCO2DIVCLK STM32_SYSCLK
#elif STM32_MCO2SEL == STM32_MCO2SEL_PLLI2S
#define STM32_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 STM32_MCO2CLK STM32_MCO2DIVCLK
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV2
#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 2)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV3
#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 3)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV4
#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 4)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV5
#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 5)
#else
#error "invalid STM32_MCO2PRE 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 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 clock.
*/
#if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__)
#define STM32_RTCCLK 0
#elif STM32_RTCSEL == STM32_RTCSEL_LSE
#define STM32_RTCCLK STM32_LSECLK
#elif STM32_RTCSEL == STM32_RTCSEL_LSI
#define STM32_RTCCLK STM32_LSICLK
#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
#define STM32_RTCCLK STM32_HSEDIVCLK
#else
#error "invalid STM32_RTCSEL value specified"
#endif
/**
* @brief 48MHz frequency.
*/
#if STM32_CLOCK48_REQUIRED || defined(__DOXYGEN__)
#if STM32_HAS_RCC_CK48MSEL || defined(__DOXYGEN__)
#if (STM32_CK48MSEL == STM32_CK48MSEL_PLL) || defined(__DOXYGEN__)
#define STM32_PLL48CLK (STM32_PLLVCO / STM32_PLLQ_VALUE)
#elif STM32_CK48MSEL == STM32_CK48MSEL_PLLALT
#if STM32_RCC_CK48MSEL_USES_I2S
#define STM32_PLL48CLK STM32_PLLI2S_Q_CLKOUT
#else
#define STM32_PLL48CLK STM32_PLLSAI_Q_CLKOUT
#endif
#else
#error "invalid source selected for PLL48CLK clock"
#endif
#else /* !STM32_HAS_RCC_CK48MSEL */
#define STM32_PLL48CLK (STM32_PLLVCO / STM32_PLLQ_VALUE)
#endif /* !STM32_HAS_RCC_CK48MSEL */
#else /* !STM32_CLOCK48_REQUIRED */
#define STM32_PLL48CLK 0
#endif /* STM32_CLOCK48_REQUIRED */
#if !STM32_HAS_RCC_DCKCFGR || (STM32_TIMPRE == STM32_TIMPRE_PCLK) || \
defined(__DOXYGEN__)
/**
* @brief Clock of timers connected to APB1
* (Timers 2, 3, 4, 5, 6, 7, 12, 13, 14).
*/
#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
#else
#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
#endif
/**
* @brief Clock of timers connected to APB2 (Timers 1, 8, 9, 10, 11).
*/
#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
#else
#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
#endif
#else /* STM32_HAS_RCC_DCKCFGR && (STM32_TIMPRE == STM32_TIMPRE_HCLK) */
#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || \
(STM32_PPRE1 == STM32_PPRE1_DIV2) || \
((STM32_PPRE1 == STM32_PPRE1_DIV4) && \
(STM32_TIMPRE_PRESCALE4 == TRUE)) || defined(__DOXYGEN__)
#define STM32_TIMCLK1 STM32_HCLK
#else
#define STM32_TIMCLK1 (STM32_PCLK1 * 4)
#endif
#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || \
(STM32_PPRE2 == STM32_PPRE2_DIV2) || \
((STM32_PPRE2 == STM32_PPRE2_DIV4) && \
(STM32_TIMPRE_PRESCALE4 == TRUE)) || defined(__DOXYGEN__)
#define STM32_TIMCLK2 STM32_HCLK
#else
#define STM32_TIMCLK2 (STM32_PCLK2 * 4)
#endif
#endif /* STM32_HAS_RCC_DCKCFGR && (STM32_TIMPRE == STM32_TIMPRE_HCLK) */
/**
* @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
#elif STM32_HCLK <= STM32_7WS_THRESHOLD
#define STM32_FLASHBITS 0x00000007
#elif STM32_HCLK <= STM32_8WS_THRESHOLD
#define STM32_FLASHBITS 0x00000008
#else
#error "invalid frequency at specified VDD level"
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#endif /* HAL_LLD_H */
/** @} */
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