mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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1026 lines
34 KiB
C
Executable File
1026 lines
34 KiB
C
Executable File
/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file STM32F37x/hal_lld.h
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* @brief STM32F37x HAL subsystem low level driver header.
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* @pre This module requires the following macros to be defined in the
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* @p board.h file:
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* - STM32_LSECLK.
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* - STM32_LSEDRV.
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* - STM32_LSE_BYPASS (optionally).
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* - STM32_HSECLK.
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* - STM32_HSE_BYPASS (optionally).
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* .
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* One of the following macros must also be defined:
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* - STM32F37X for Analog & DSP devices.
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* .
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*
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* @addtogroup HAL
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* @{
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*/
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#ifndef _HAL_LLD_H_
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#define _HAL_LLD_H_
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#include "stm32.h"
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#include "stm32_registry.h"
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/**
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* @brief Defines the support for realtime counters in the HAL.
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*/
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#define HAL_IMPLEMENTS_COUNTERS TRUE
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/**
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* @name Platform identification
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* @{
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*/
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#define PLATFORM_NAME "STM32F37x Analog & DSP"
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/** @} */
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/**
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* @name Absolute Maximum Ratings
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* @{
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*/
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/**
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* @brief Maximum system clock frequency.
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*/
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#define STM32_SYSCLK_MAX 72000000
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/**
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* @brief Maximum HSE clock frequency.
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*/
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#define STM32_HSECLK_MAX 32000000
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/**
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* @brief Minimum HSE clock frequency.
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*/
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#define STM32_HSECLK_MIN 1000000
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/**
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* @brief Maximum LSE clock frequency.
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*/
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#define STM32_LSECLK_MAX 1000000
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/**
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* @brief Minimum LSE clock frequency.
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*/
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#define STM32_LSECLK_MIN 32768
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/**
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* @brief Maximum PLLs input clock frequency.
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*/
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#define STM32_PLLIN_MAX 24000000
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/**
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* @brief Minimum PLLs input clock frequency.
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*/
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#define STM32_PLLIN_MIN 1000000
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/**
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* @brief Maximum PLL output clock frequency.
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*/
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#define STM32_PLLOUT_MAX 72000000
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/**
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* @brief Maximum PLL output clock frequency.
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*/
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#define STM32_PLLOUT_MIN 16000000
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/**
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* @brief Maximum APB1 clock frequency.
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*/
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#define STM32_PCLK1_MAX 36000000
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/**
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* @brief Maximum APB2 clock frequency.
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*/
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#define STM32_PCLK2_MAX 72000000
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/**
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* @brief Maximum ADC clock frequency.
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*/
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#define STM32_ADCCLK_MAX 14000000
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/**
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* @brief Minimum ADC clock frequency.
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*/
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#define STM32_ADCCLK_MIN 6000000
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/**
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* @brief Maximum SDADC clock frequency in fast mode.
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*/
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#define STM32_SDADCCLK_FAST_MAX 6000000
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/**
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* @brief Maximum SDADC clock frequency in slow mode.
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*/
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#define STM32_SDADCCLK_SLOW_MAX 1500000
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/**
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* @brief Minimum SDADC clock frequency.
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*/
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#define STM32_SDADCCLK_MIN 500000
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/** @} */
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/**
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* @name Internal clock sources
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* @{
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*/
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#define STM32_HSICLK 8000000 /**< High speed internal clock. */
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#define STM32_LSICLK 40000 /**< Low speed internal clock. */
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/** @} */
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/**
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* @name PWR_CR register bits definitions
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* @{
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*/
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#define STM32_PLS_MASK (7U << 5) /**< PLS bits mask. */
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#define STM32_PLS_LEV0 (0U << 5) /**< PVD level 0. */
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#define STM32_PLS_LEV1 (1U << 5) /**< PVD level 1. */
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#define STM32_PLS_LEV2 (2U << 5) /**< PVD level 2. */
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#define STM32_PLS_LEV3 (3U << 5) /**< PVD level 3. */
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#define STM32_PLS_LEV4 (4U << 5) /**< PVD level 4. */
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#define STM32_PLS_LEV5 (5U << 5) /**< PVD level 5. */
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#define STM32_PLS_LEV6 (6U << 5) /**< PVD level 6. */
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#define STM32_PLS_LEV7 (7U << 5) /**< PVD level 7. */
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/** @} */
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/**
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* @name RCC_CFGR register bits definitions
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* @{
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*/
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#define STM32_SW_HSI (0U << 0) /**< SYSCLK source is HSI. */
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#define STM32_SW_HSE (1U << 0) /**< SYSCLK source is HSE. */
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#define STM32_SW_PLL (2U << 0) /**< SYSCLK source is PLL. */
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#define STM32_HPRE_DIV1 (0U << 4) /**< SYSCLK divided by 1. */
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#define STM32_HPRE_DIV2 (8u << 4) /**< SYSCLK divided by 2. */
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#define STM32_HPRE_DIV4 (9U << 4) /**< SYSCLK divided by 4. */
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#define STM32_HPRE_DIV8 (10U << 4) /**< SYSCLK divided by 8. */
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#define STM32_HPRE_DIV16 (11U << 4) /**< SYSCLK divided by 16. */
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#define STM32_HPRE_DIV64 (12U << 4) /**< SYSCLK divided by 64. */
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#define STM32_HPRE_DIV128 (13U << 4) /**< SYSCLK divided by 128. */
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#define STM32_HPRE_DIV256 (14U << 4) /**< SYSCLK divided by 256. */
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#define STM32_HPRE_DIV512 (15U << 4) /**< SYSCLK divided by 512. */
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#define STM32_PPRE1_DIV1 (0U << 8) /**< HCLK divided by 1. */
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#define STM32_PPRE1_DIV2 (4U << 8) /**< HCLK divided by 2. */
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#define STM32_PPRE1_DIV4 (5U << 8) /**< HCLK divided by 4. */
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#define STM32_PPRE1_DIV8 (6U << 8) /**< HCLK divided by 8. */
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#define STM32_PPRE1_DIV16 (7U << 8) /**< HCLK divided by 16. */
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#define STM32_PPRE2_DIV1 (0U << 11) /**< HCLK divided by 1. */
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#define STM32_PPRE2_DIV2 (4U << 11) /**< HCLK divided by 2. */
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#define STM32_PPRE2_DIV4 (5U << 11) /**< HCLK divided by 4. */
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#define STM32_PPRE2_DIV8 (6U << 11) /**< HCLK divided by 8. */
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#define STM32_PPRE2_DIV16 (7U << 11) /**< HCLK divided by 16. */
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#define STM32_ADCPRE_DIV2 (0U << 14) /**< PPRE2 divided by 2. */
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#define STM32_ADCPRE_DIV4 (1U << 14) /**< PPRE2 divided by 4. */
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#define STM32_ADCPRE_DIV6 (2U << 14) /**< PPRE2 divided by 6. */
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#define STM32_ADCPRE_DIV8 (3U << 14) /**< PPRE2 divided by 8. */
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#define STM32_PLLSRC_HSI (0U << 16) /**< PLL clock source is HSI/2. */
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#define STM32_PLLSRC_HSE (1U << 16) /**< PLL clock source is
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HSE/PREDIV. */
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#define STM32_USBPRE_DIV1P5 (0U << 22) /**< USB clock is PLLCLK/1.5. */
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#define STM32_USBPRE_DIV1 (1U << 22) /**< USB clock is PLLCLK/1. */
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#define STM32_MCOSEL_NOCLOCK (0U << 24) /**< No clock on MCO pin. */
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#define STM32_MCOSEL_LSI (2U << 24) /**< LSI clock on MCO pin. */
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#define STM32_MCOSEL_LSE (3U << 24) /**< LSE clock on MCO pin. */
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#define STM32_MCOSEL_SYSCLK (4U << 24) /**< SYSCLK on MCO pin. */
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#define STM32_MCOSEL_HSI (5U << 24) /**< HSI clock on MCO pin. */
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#define STM32_MCOSEL_HSE (6U << 24) /**< HSE clock on MCO pin. */
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#define STM32_MCOSEL_PLLDIV2 (7U << 24) /**< PLL/2 clock on MCO pin. */
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#define STM32_SDPRE_DIV2 (16U << 27) /**< SYSCLK divided by 2. */
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#define STM32_SDPRE_DIV4 (17U << 27) /**< SYSCLK divided by 4. */
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#define STM32_SDPRE_DIV6 (18U << 27) /**< SYSCLK divided by 6. */
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#define STM32_SDPRE_DIV8 (19U << 27) /**< SYSCLK divided by 8. */
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#define STM32_SDPRE_DIV10 (20U << 27) /**< SYSCLK divided by 10. */
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#define STM32_SDPRE_DIV12 (21U << 27) /**< SYSCLK divided by 12. */
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#define STM32_SDPRE_DIV14 (22U << 27) /**< SYSCLK divided by 14. */
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#define STM32_SDPRE_DIV16 (23U << 27) /**< SYSCLK divided by 16. */
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#define STM32_SDPRE_DIV20 (24U << 27) /**< SYSCLK divided by 20. */
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#define STM32_SDPRE_DIV24 (25U << 27) /**< SYSCLK divided by 24. */
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#define STM32_SDPRE_DIV28 (26U << 27) /**< SYSCLK divided by 28. */
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#define STM32_SDPRE_DIV32 (27U << 27) /**< SYSCLK divided by 32. */
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#define STM32_SDPRE_DIV36 (28U << 27) /**< SYSCLK divided by 36. */
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#define STM32_SDPRE_DIV40 (29U << 27) /**< SYSCLK divided by 40. */
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#define STM32_SDPRE_DIV44 (30U << 27) /**< SYSCLK divided by 44. */
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#define STM32_SDPRE_DIV48 (31U << 27) /**< SYSCLK divided by 48. */
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/** @} */
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/**
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* @name RCC_BDCR register bits definitions
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* @{
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*/
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#define STM32_RTCSEL_MASK (3U << 8) /**< RTC clock source mask. */
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#define STM32_RTCSEL_NOCLOCK (0U << 8) /**< No clock. */
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#define STM32_RTCSEL_LSE (1U << 8) /**< LSE used as RTC clock. */
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#define STM32_RTCSEL_LSI (2U << 8) /**< LSI used as RTC clock. */
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#define STM32_RTCSEL_HSEDIV (3U << 8) /**< HSE divided by 32 used as
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RTC clock. */
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/** @} */
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/**
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* @name RCC_CFGR2 register bits definitions
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* @{
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*/
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#define STM32_PREDIV_MASK (15U << 0) /**< PREDIV divisor mask. */
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/** @} */
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/**
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* @name RCC_CFGR3 register bits definitions
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* @{
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*/
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#define STM32_USART1SW_MASK (3U << 0) /**< USART1 clock source mask. */
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#define STM32_USART1SW_PCLK (0U << 0) /**< USART1 clock is PCLK. */
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#define STM32_USART1SW_SYSCLK (1U << 0) /**< USART1 clock is SYSCLK. */
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#define STM32_USART1SW_LSE (2U << 0) /**< USART1 clock is LSE. */
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#define STM32_USART1SW_HSI (3U << 0) /**< USART1 clock is HSI. */
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#define STM32_I2C1SW_MASK (1U << 4) /**< I2C1 clock source mask. */
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#define STM32_I2C1SW_HSI (0U << 4) /**< I2C1 clock is HSI. */
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#define STM32_I2C1SW_SYSCLK (1U << 4) /**< I2C1 clock is SYSCLK. */
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#define STM32_I2C2SW_MASK (1U << 5) /**< I2C2 clock source mask. */
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#define STM32_I2C2SW_HSI (0U << 5) /**< I2C2 clock is HSI. */
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#define STM32_I2C2SW_SYSCLK (1U << 5) /**< I2C2 clock is SYSCLK. */
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#define STM32_USART2SW_MASK (3U << 16) /**< USART2 clock source mask. */
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#define STM32_USART2SW_PCLK (0U << 16) /**< USART2 clock is PCLK. */
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#define STM32_USART2SW_SYSCLK (1U << 16) /**< USART2 clock is SYSCLK. */
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#define STM32_USART2SW_LSE (2U << 16) /**< USART2 clock is LSE. */
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#define STM32_USART2SW_HSI (3U << 16) /**< USART2 clock is HSI. */
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#define STM32_USART3SW_MASK (3U << 18) /**< USART3 clock source mask. */
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#define STM32_USART3SW_PCLK (0U << 18) /**< USART3 clock is PCLK. */
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#define STM32_USART3SW_SYSCLK (1U << 18) /**< USART3 clock is SYSCLK. */
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#define STM32_USART3SW_LSE (2U << 18) /**< USART3 clock is LSE. */
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#define STM32_USART3SW_HSI (3U << 18) /**< USART3 clock is HSI. */
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/** @} */
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name Configuration options
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* @{
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*/
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/**
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* @brief Disables the PWR/RCC initialization in the HAL.
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*/
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#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
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#define STM32_NO_INIT FALSE
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#endif
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/**
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* @brief Enables or disables the programmable voltage detector.
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*/
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#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
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#define STM32_PVD_ENABLE FALSE
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#endif
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/**
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* @brief Sets voltage level for programmable voltage detector.
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*/
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#if !defined(STM32_PLS) || defined(__DOXYGEN__)
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#define STM32_PLS STM32_PLS_LEV0
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#endif
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/**
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* @brief Enables or disables the HSI clock source.
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*/
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#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
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#define STM32_HSI_ENABLED TRUE
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#endif
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/**
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* @brief Enables or disables the LSI clock source.
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*/
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#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
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#define STM32_LSI_ENABLED TRUE
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#endif
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/**
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* @brief Enables or disables the HSE clock source.
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*/
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#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
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#define STM32_HSE_ENABLED TRUE
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#endif
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/**
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* @brief Enables or disables the LSE clock source.
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*/
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#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
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#define STM32_LSE_ENABLED FALSE
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#endif
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/**
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* @brief Main clock source selection.
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* @note If the selected clock source is not the PLL then the PLL is not
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* initialized and started.
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* @note The default value is calculated for a 72MHz system clock from
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* a 8MHz crystal using the PLL.
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*/
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#if !defined(STM32_SW) || defined(__DOXYGEN__)
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#define STM32_SW STM32_SW_PLL
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#endif
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/**
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* @brief Clock source for the PLL.
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* @note This setting has only effect if the PLL is selected as the
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* system clock source.
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* @note The default value is calculated for a 72MHz system clock from
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* a 8MHz crystal using the PLL.
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*/
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#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
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#define STM32_PLLSRC STM32_PLLSRC_HSE
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#endif
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/**
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* @brief Crystal PLL pre-divider.
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* @note This setting has only effect if the PLL is selected as the
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* system clock source.
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* @note The default value is calculated for a 72MHz system clock from
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* a 8MHz crystal using the PLL.
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*/
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#if !defined(STM32_PREDIV_VALUE) || defined(__DOXYGEN__)
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#define STM32_PREDIV_VALUE 1
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#endif
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/**
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* @brief PLL multiplier value.
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* @note The allowed range is 2...16.
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* @note The default value is calculated for a 72MHz system clock from
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* a 8MHz crystal using the PLL.
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*/
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#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
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#define STM32_PLLMUL_VALUE 9
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#endif
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/**
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* @brief AHB prescaler value.
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* @note The default value is calculated for a 72MHz system clock from
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* a 8MHz crystal using the PLL.
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*/
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#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
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#define STM32_HPRE STM32_HPRE_DIV1
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#endif
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/**
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* @brief APB1 prescaler value.
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*/
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#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
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#define STM32_PPRE1 STM32_PPRE1_DIV2
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#endif
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/**
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* @brief APB2 prescaler value.
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*/
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#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
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#define STM32_PPRE2 STM32_PPRE2_DIV2
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#endif
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/**
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* @brief MCO pin setting.
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*/
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#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
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#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
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#endif
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/**
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* @brief ADC prescaler value.
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*/
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#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__)
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#define STM32_ADCPRE STM32_ADCPRE_DIV4
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#endif
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/**
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* @brief SDADC prescaler value.
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*/
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#if !defined(STM32_SDPRE) || defined(__DOXYGEN__)
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#define STM32_SDPRE STM32_SDPRE_DIV12
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#endif
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/**
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* @brief USART1 clock source.
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*/
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#if !defined(STM32_USART1SW) || defined(__DOXYGEN__)
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#define STM32_USART1SW STM32_USART1SW_PCLK
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#endif
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/**
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* @brief USART2 clock source.
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*/
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#if !defined(STM32_USART2SW) || defined(__DOXYGEN__)
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#define STM32_USART2SW STM32_USART2SW_PCLK
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#endif
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/**
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* @brief USART3 clock source.
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*/
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#if !defined(STM32_USART3SW) || defined(__DOXYGEN__)
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#define STM32_USART3SW STM32_USART3SW_PCLK
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#endif
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/**
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* @brief I2C1 clock source.
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*/
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#if !defined(STM32_I2C1SW) || defined(__DOXYGEN__)
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#define STM32_I2C1SW STM32_I2C1SW_SYSCLK
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#endif
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/**
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* @brief I2C2 clock source.
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*/
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#if !defined(STM32_I2C2SW) || defined(__DOXYGEN__)
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#define STM32_I2C2SW STM32_I2C2SW_SYSCLK
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#endif
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/**
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* @brief RTC clock source.
|
|
*/
|
|
#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
|
|
#define STM32_RTCSEL STM32_RTCSEL_LSI
|
|
#endif
|
|
|
|
/**
|
|
* @brief USB clock setting.
|
|
*/
|
|
#if !defined(STM32_USB_CLOCK_REQUIRED) || defined(__DOXYGEN__)
|
|
#define STM32_USB_CLOCK_REQUIRED TRUE
|
|
#endif
|
|
|
|
/**
|
|
* @brief USB prescaler initialization.
|
|
*/
|
|
#if !defined(STM32_USBPRE) || defined(__DOXYGEN__)
|
|
#define STM32_USBPRE STM32_USBPRE_DIV1P5
|
|
#endif
|
|
/** @} */
|
|
|
|
/*===========================================================================*/
|
|
/* Derived constants and error checks. */
|
|
/*===========================================================================*/
|
|
|
|
/*
|
|
* Configuration-related checks.
|
|
*/
|
|
#if !defined(STM32F37x_MCUCONF)
|
|
#error "Using a wrong mcuconf.h file, STM32F37x_MCUCONF not defined"
|
|
#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_USART1SW == STM32_USART1SW_HSI
|
|
#error "HSI not enabled, required by STM32_USART1SW"
|
|
#endif
|
|
|
|
#if STM32_USART2SW == STM32_USART2SW_HSI
|
|
#error "HSI not enabled, required by STM32_USART2SW"
|
|
#endif
|
|
|
|
#if STM32_USART3SW == STM32_USART3SW_HSI
|
|
#error "HSI not enabled, required by STM32_USART3SW"
|
|
#endif
|
|
|
|
#if STM32_I2C1SW == STM32_I2C1SW_HSI
|
|
#error "HSI not enabled, required by STM32_I2C1SW"
|
|
#endif
|
|
|
|
#if STM32_I2C2SW == STM32_I2C2SW_HSI
|
|
#error "HSI not enabled, required by STM32_I2C2SW"
|
|
#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_MCOSEL == STM32_MCOSEL_HSI) || \
|
|
((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
|
|
(STM32_PLLSRC == STM32_PLLSRC_HSI))
|
|
#error "HSI not enabled, required by STM32_MCOSEL"
|
|
#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_MCOSEL == STM32_MCOSEL_HSE) || \
|
|
((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
|
|
(STM32_PLLSRC == STM32_PLLSRC_HSE))
|
|
#error "HSE not enabled, required by STM32_MCOSEL"
|
|
#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 "LSI not enabled, required by STM32_RTCSEL"
|
|
#endif
|
|
|
|
#endif /* !STM32_LSI_ENABLED */
|
|
|
|
/*
|
|
* LSE related checks.
|
|
*/
|
|
#if STM32_LSE_ENABLED
|
|
|
|
#if !defined(STM32_LSECLK) || (STM32_LSECLK == 0)
|
|
#error "STM32_LSECLK 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
|
|
|
|
#if !defined(STM32_LSEDRV)
|
|
#error "STM32_LSEDRV not defined"
|
|
#endif
|
|
|
|
#if (STM32_LSEDRV >> 3) > 3
|
|
#error "STM32_LSEDRV outside acceptable range ((0<<3)...(3<<3))"
|
|
#endif
|
|
|
|
#if STM32_USART1SW == STM32_USART1SW_LSE
|
|
#error "LSE not enabled, required by STM32_USART1SW"
|
|
#endif
|
|
|
|
#if STM32_USART2SW == STM32_USART2SW_LSE
|
|
#error "LSE not enabled, required by STM32_USART2SW"
|
|
#endif
|
|
|
|
#if STM32_USART3SW == STM32_USART3SW_LSE
|
|
#error "LSE not enabled, required by STM32_USART3SW"
|
|
#endif
|
|
|
|
#else /* !STM32_LSE_ENABLED */
|
|
|
|
#if STM32_RTCSEL == STM32_RTCSEL_LSE
|
|
#error "LSE not enabled, required by STM32_RTCSEL"
|
|
#endif
|
|
|
|
#endif /* !STM32_LSE_ENABLED */
|
|
|
|
/* PLL activation conditions.*/
|
|
#if (STM32_SW == STM32_SW_PLL) || \
|
|
(STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \
|
|
STM32_USB_CLOCK_REQUIRED || \
|
|
defined(__DOXYGEN__)
|
|
/**
|
|
* @brief PLL activation flag.
|
|
*/
|
|
#define STM32_ACTIVATE_PLL TRUE
|
|
#else
|
|
#define STM32_ACTIVATE_PLL FALSE
|
|
#endif
|
|
|
|
/* HSE prescaler setting check.*/
|
|
#if ((STM32_PREDIV_VALUE >= 1) || (STM32_PREDIV_VALUE <= 16))
|
|
#define STM32_PREDIV ((STM32_PREDIV_VALUE - 1) << 0)
|
|
#else
|
|
#error "invalid STM32_PREDIV value specified"
|
|
#endif
|
|
|
|
/**
|
|
* @brief PLLMUL field.
|
|
*/
|
|
#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \
|
|
defined(__DOXYGEN__)
|
|
#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
|
|
#else
|
|
#error "invalid STM32_PLLMUL_VALUE value specified"
|
|
#endif
|
|
|
|
/**
|
|
* @brief PLL input clock frequency.
|
|
*/
|
|
#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
|
|
#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PREDIV_VALUE)
|
|
#elif STM32_PLLSRC == STM32_PLLSRC_HSI
|
|
#define STM32_PLLCLKIN (STM32_HSICLK / 2)
|
|
#else
|
|
#error "invalid STM32_PLLSRC value specified"
|
|
#endif
|
|
|
|
/* PLL 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
|
|
|
|
/**
|
|
* @brief PLL output clock frequency.
|
|
*/
|
|
#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_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_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
|
|
#define STM32_SYSCLK STM32_PLLCLKOUT
|
|
#elif (STM32_SW == STM32_SW_HSI)
|
|
#define STM32_SYSCLK STM32_HSICLK
|
|
#elif (STM32_SW == STM32_SW_HSE)
|
|
#define STM32_SYSCLK STM32_HSECLK
|
|
#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
|
|
|
|
/**
|
|
* @brief RTC clock.
|
|
*/
|
|
#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__)
|
|
#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_HSECLK / 32)
|
|
#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK
|
|
#define STM32_RTCCLK 0
|
|
#else
|
|
#error "invalid source selected for RTC clock"
|
|
#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 maximum frequency check.*/
|
|
#if STM32_ADCCLK > STM32_ADCCLK_MAX
|
|
#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
|
|
#endif
|
|
|
|
/* ADC minimum frequency check.*/
|
|
#if STM32_ADCCLK < STM32_ADCCLK_MIN
|
|
#error "STM32_ADCCLK exceeding minimum frequency (STM32_ADCCLK_MIN)"
|
|
#endif
|
|
|
|
/**
|
|
* @brief SDADC frequency.
|
|
*/
|
|
#if (STM32_SDPRE == STM32_SDPRE_DIV2) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 2)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV4) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 4)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV6) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 6)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV8) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 8)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV10) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 10)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV12) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 12)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV14) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 14)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV16) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 16)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV20) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 20)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV24) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 24)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV28) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 28)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV32) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 32)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV36) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 36)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV40) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 40)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV44) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 44)
|
|
#elif (STM32_SDPRE == STM32_SDPRE_DIV48) || defined(__DOXYGEN__)
|
|
#define STM32_SDADCCLK (STM32_SYSCLK / 48)
|
|
#else
|
|
#error "invalid STM32_SDPRE value specified"
|
|
#endif
|
|
|
|
/* SDADC maximum frequency check.*/
|
|
#if STM32_SDADCCLK > STM32_SDADCCLK_FAST_MAX
|
|
#error "STM32_SDADCCLK exceeding maximum frequency (STM32_SDADCCLK_FAST_MAX)"
|
|
#endif
|
|
|
|
/* SDADC minimum frequency check.*/
|
|
#if STM32_SDADCCLK < STM32_SDADCCLK_MIN
|
|
#error "STM32_SDADCCLK exceeding maximum frequency (STM32_SDADCCLK_MIN)"
|
|
#endif
|
|
|
|
/**
|
|
* @brief I2C1 frequency.
|
|
*/
|
|
#if STM32_I2C1SW == STM32_I2C1SW_HSI
|
|
#define STM32_I2C1CLK STM32_HSICLK
|
|
#elif STM32_I2C1SW == STM32_I2C1SW_SYSCLK
|
|
#define STM32_I2C1CLK STM32_SYSCLK
|
|
#else
|
|
#error "invalid source selected for I2C1 clock"
|
|
#endif
|
|
|
|
/**
|
|
* @brief I2C2 frequency.
|
|
*/
|
|
#if STM32_I2C2SW == STM32_I2C2SW_HSI
|
|
#define STM32_I2C2CLK STM32_HSICLK
|
|
#elif STM32_I2C2SW == STM32_I2C2SW_SYSCLK
|
|
#define STM32_I2C2CLK STM32_SYSCLK
|
|
#else
|
|
#error "invalid source selected for I2C2 clock"
|
|
#endif
|
|
|
|
/**
|
|
* @brief USART1 frequency.
|
|
*/
|
|
#if STM32_USART1SW == STM32_USART1SW_PCLK
|
|
#define STM32_USART1CLK STM32_PCLK2
|
|
#elif STM32_USART1SW == STM32_USART1SW_SYSCLK
|
|
#define STM32_USART1CLK STM32_SYSCLK
|
|
#elif STM32_USART1SW == STM32_USART1SW_LSECLK
|
|
#define STM32_USART1CLK STM32_LSECLK
|
|
#elif STM32_USART1SW == STM32_USART1SW_HSICLK
|
|
#define STM32_USART1CLK STM32_HSICLK
|
|
#else
|
|
#error "invalid source selected for USART1 clock"
|
|
#endif
|
|
|
|
/**
|
|
* @brief USART2 frequency.
|
|
*/
|
|
#if STM32_USART2SW == STM32_USART2SW_PCLK
|
|
#define STM32_USART2CLK STM32_PCLK1
|
|
#elif STM32_USART2SW == STM32_USART2SW_SYSCLK
|
|
#define STM32_USART2CLK STM32_SYSCLK
|
|
#elif STM32_USART2SW == STM32_USART2SW_LSECLK
|
|
#define STM32_USART2CLK STM32_LSECLK
|
|
#elif STM32_USART2SW == STM32_USART2SW_HSICLK
|
|
#define STM32_USART2CLK STM32_HSICLK
|
|
#else
|
|
#error "invalid source selected for USART2 clock"
|
|
#endif
|
|
|
|
/**
|
|
* @brief USART3 frequency.
|
|
*/
|
|
#if STM32_USART3SW == STM32_USART3SW_PCLK
|
|
#define STM32_USART3CLK STM32_PCLK1
|
|
#elif STM32_USART3SW == STM32_USART3SW_SYSCLK
|
|
#define STM32_USART3CLK STM32_SYSCLK
|
|
#elif STM32_USART3SW == STM32_USART3SW_LSECLK
|
|
#define STM32_USART3CLK STM32_LSECLK
|
|
#elif STM32_USART3SW == STM32_USART3SW_HSICLK
|
|
#define STM32_USART3CLK STM32_HSICLK
|
|
#else
|
|
#error "invalid source selected for USART3 clock"
|
|
#endif
|
|
|
|
/**
|
|
* @brief Timers 2, 3, 4, 5, 6, 7, 12, 13, 14, 18 frequency.
|
|
*/
|
|
#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
|
|
#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
|
|
#else
|
|
#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
|
|
#endif
|
|
|
|
/**
|
|
* @brief Timers 15, 16, 17, 19 frequency.
|
|
*/
|
|
#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
|
|
#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
|
|
#else
|
|
#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
|
|
#endif
|
|
|
|
/**
|
|
* @brief USB frequency.
|
|
*/
|
|
#if (STM32_USBPRE == STM32_USBPRE_DIV1P5) || defined(__DOXYGEN__)
|
|
#define STM32_USBCLK ((STM32_PLLCLKOUT * 2) / 3)
|
|
#elif (STM32_USBPRE == STM32_USBPRE_DIV1)
|
|
#define STM32_USBCLK STM32_PLLCLKOUT
|
|
#else
|
|
#error "invalid STM32_USBPRE value specified"
|
|
#endif
|
|
|
|
/**
|
|
* @brief Flash settings.
|
|
*/
|
|
#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
|
|
#define STM32_FLASHBITS 0x00000010
|
|
#elif STM32_HCLK <= 48000000
|
|
#define STM32_FLASHBITS 0x00000011
|
|
#else
|
|
#define STM32_FLASHBITS 0x00000012
|
|
#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 ISR, DMA and RCC helpers.*/
|
|
#include "stm32_isr.h"
|
|
#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_ */
|
|
|
|
/** @} */
|