From 43b94a6ada83454c3404bda019ec114f97379c82 Mon Sep 17 00:00:00 2001 From: "Pavel V. Shatov" Date: Thu, 27 Aug 2015 00:01:24 +0400 Subject: Initial version of FMC driver for STM32. --- .../Source/Templates/arm/startup_stm32f429xx.s | 465 ++++++++++++++++ .../STM32F4xx/Source/Templates/system_stm32f4xx.c | 587 +++++++++++++++++++++ 2 files changed, 1052 insertions(+) create mode 100644 Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/arm/startup_stm32f429xx.s create mode 100644 Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c (limited to 'Drivers/CMSIS/Device/ST/STM32F4xx/Source') diff --git a/Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/arm/startup_stm32f429xx.s b/Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/arm/startup_stm32f429xx.s new file mode 100644 index 0000000..c967351 --- /dev/null +++ b/Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/arm/startup_stm32f429xx.s @@ -0,0 +1,465 @@ +;******************** (C) COPYRIGHT 2015 STMicroelectronics ******************** +;* File Name : startup_stm32f429xx.s +;* Author : MCD Application Team +;* Version : V2.3.2 +;* Date : 26-June-2015 +;* Description : STM32F429x devices vector table for MDK-ARM toolchain. +;* This module performs: +;* - Set the initial SP +;* - Set the initial PC == Reset_Handler +;* - Set the vector table entries with the exceptions ISR address +;* - Branches to __main in the C library (which eventually +;* calls main()). +;* After Reset the CortexM4 processor is in Thread mode, +;* priority is Privileged, and the Stack is set to Main. +;* <<< Use Configuration Wizard in Context Menu >>> +;******************************************************************************* +; +;* Redistribution and use in source and binary forms, with or without modification, +;* are permitted provided that the following conditions are met: +;* 1. Redistributions of source code must retain the above copyright notice, +;* this list of conditions and the following disclaimer. +;* 2. Redistributions in binary form must reproduce the above copyright notice, +;* this list of conditions and the following disclaimer in the documentation +;* and/or other materials provided with the distribution. +;* 3. Neither the name of STMicroelectronics nor the names of its contributors +;* may be used to endorse or promote products derived from this software +;* without specific prior written permission. +;* +;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +; +;******************************************************************************* + +; Amount of memory (in bytes) allocated for Stack +; Tailor this value to your application needs +; Stack Configuration +; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Stack_Size EQU 0x00000400 + + AREA STACK, NOINIT, READWRITE, ALIGN=3 +Stack_Mem SPACE Stack_Size +__initial_sp + + +; Heap Configuration +; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Heap_Size EQU 0x00000200 + + AREA HEAP, NOINIT, READWRITE, ALIGN=3 +__heap_base +Heap_Mem SPACE Heap_Size +__heap_limit + + PRESERVE8 + THUMB + + +; Vector Table Mapped to Address 0 at Reset + AREA RESET, DATA, READONLY + EXPORT __Vectors + EXPORT __Vectors_End + EXPORT __Vectors_Size + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD MemManage_Handler ; MPU Fault Handler + DCD BusFault_Handler ; Bus Fault Handler + DCD UsageFault_Handler ; Usage Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD DebugMon_Handler ; Debug Monitor Handler + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WWDG_IRQHandler ; Window WatchDog + DCD PVD_IRQHandler ; PVD through EXTI Line detection + DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line + DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line + DCD FLASH_IRQHandler ; FLASH + DCD RCC_IRQHandler ; RCC + DCD EXTI0_IRQHandler ; EXTI Line0 + DCD EXTI1_IRQHandler ; EXTI Line1 + DCD EXTI2_IRQHandler ; EXTI Line2 + DCD EXTI3_IRQHandler ; EXTI Line3 + DCD EXTI4_IRQHandler ; EXTI Line4 + DCD DMA1_Stream0_IRQHandler ; DMA1 Stream 0 + DCD DMA1_Stream1_IRQHandler ; DMA1 Stream 1 + DCD DMA1_Stream2_IRQHandler ; DMA1 Stream 2 + DCD DMA1_Stream3_IRQHandler ; DMA1 Stream 3 + DCD DMA1_Stream4_IRQHandler ; DMA1 Stream 4 + DCD DMA1_Stream5_IRQHandler ; DMA1 Stream 5 + DCD DMA1_Stream6_IRQHandler ; DMA1 Stream 6 + DCD ADC_IRQHandler ; ADC1, ADC2 and ADC3s + DCD CAN1_TX_IRQHandler ; CAN1 TX + DCD CAN1_RX0_IRQHandler ; CAN1 RX0 + DCD CAN1_RX1_IRQHandler ; CAN1 RX1 + DCD CAN1_SCE_IRQHandler ; CAN1 SCE + DCD EXTI9_5_IRQHandler ; External Line[9:5]s + DCD TIM1_BRK_TIM9_IRQHandler ; TIM1 Break and TIM9 + DCD TIM1_UP_TIM10_IRQHandler ; TIM1 Update and TIM10 + DCD TIM1_TRG_COM_TIM11_IRQHandler ; TIM1 Trigger and Commutation and TIM11 + DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare + DCD TIM2_IRQHandler ; TIM2 + DCD TIM3_IRQHandler ; TIM3 + DCD TIM4_IRQHandler ; TIM4 + DCD I2C1_EV_IRQHandler ; I2C1 Event + DCD I2C1_ER_IRQHandler ; I2C1 Error + DCD I2C2_EV_IRQHandler ; I2C2 Event + DCD I2C2_ER_IRQHandler ; I2C2 Error + DCD SPI1_IRQHandler ; SPI1 + DCD SPI2_IRQHandler ; SPI2 + DCD USART1_IRQHandler ; USART1 + DCD USART2_IRQHandler ; USART2 + DCD USART3_IRQHandler ; USART3 + DCD EXTI15_10_IRQHandler ; External Line[15:10]s + DCD RTC_Alarm_IRQHandler ; RTC Alarm (A and B) through EXTI Line + DCD OTG_FS_WKUP_IRQHandler ; USB OTG FS Wakeup through EXTI line + DCD TIM8_BRK_TIM12_IRQHandler ; TIM8 Break and TIM12 + DCD TIM8_UP_TIM13_IRQHandler ; TIM8 Update and TIM13 + DCD TIM8_TRG_COM_TIM14_IRQHandler ; TIM8 Trigger and Commutation and TIM14 + DCD TIM8_CC_IRQHandler ; TIM8 Capture Compare + DCD DMA1_Stream7_IRQHandler ; DMA1 Stream7 + DCD FMC_IRQHandler ; FMC + DCD SDIO_IRQHandler ; SDIO + DCD TIM5_IRQHandler ; TIM5 + DCD SPI3_IRQHandler ; SPI3 + DCD UART4_IRQHandler ; UART4 + DCD UART5_IRQHandler ; UART5 + DCD TIM6_DAC_IRQHandler ; TIM6 and DAC1&2 underrun errors + DCD TIM7_IRQHandler ; TIM7 + DCD DMA2_Stream0_IRQHandler ; DMA2 Stream 0 + DCD DMA2_Stream1_IRQHandler ; DMA2 Stream 1 + DCD DMA2_Stream2_IRQHandler ; DMA2 Stream 2 + DCD DMA2_Stream3_IRQHandler ; DMA2 Stream 3 + DCD DMA2_Stream4_IRQHandler ; DMA2 Stream 4 + DCD ETH_IRQHandler ; Ethernet + DCD ETH_WKUP_IRQHandler ; Ethernet Wakeup through EXTI line + DCD CAN2_TX_IRQHandler ; CAN2 TX + DCD CAN2_RX0_IRQHandler ; CAN2 RX0 + DCD CAN2_RX1_IRQHandler ; CAN2 RX1 + DCD CAN2_SCE_IRQHandler ; CAN2 SCE + DCD OTG_FS_IRQHandler ; USB OTG FS + DCD DMA2_Stream5_IRQHandler ; DMA2 Stream 5 + DCD DMA2_Stream6_IRQHandler ; DMA2 Stream 6 + DCD DMA2_Stream7_IRQHandler ; DMA2 Stream 7 + DCD USART6_IRQHandler ; USART6 + DCD I2C3_EV_IRQHandler ; I2C3 event + DCD I2C3_ER_IRQHandler ; I2C3 error + DCD OTG_HS_EP1_OUT_IRQHandler ; USB OTG HS End Point 1 Out + DCD OTG_HS_EP1_IN_IRQHandler ; USB OTG HS End Point 1 In + DCD OTG_HS_WKUP_IRQHandler ; USB OTG HS Wakeup through EXTI + DCD OTG_HS_IRQHandler ; USB OTG HS + DCD DCMI_IRQHandler ; DCMI + DCD 0 ; Reserved + DCD HASH_RNG_IRQHandler ; Hash and Rng + DCD FPU_IRQHandler ; FPU + DCD UART7_IRQHandler ; UART7 + DCD UART8_IRQHandler ; UART8 + DCD SPI4_IRQHandler ; SPI4 + DCD SPI5_IRQHandler ; SPI5 + DCD SPI6_IRQHandler ; SPI6 + DCD SAI1_IRQHandler ; SAI1 + DCD LTDC_IRQHandler ; LTDC + DCD LTDC_ER_IRQHandler ; LTDC error + DCD DMA2D_IRQHandler ; DMA2D + +__Vectors_End + +__Vectors_Size EQU __Vectors_End - __Vectors + + AREA |.text|, CODE, READONLY + +; Reset handler +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT SystemInit + IMPORT __main + + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + +; Dummy Exception Handlers (infinite loops which can be modified) + +NMI_Handler PROC + EXPORT NMI_Handler [WEAK] + B . + ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +MemManage_Handler\ + PROC + EXPORT MemManage_Handler [WEAK] + B . + ENDP +BusFault_Handler\ + PROC + EXPORT BusFault_Handler [WEAK] + B . + ENDP +UsageFault_Handler\ + PROC + EXPORT UsageFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +DebugMon_Handler\ + PROC + EXPORT DebugMon_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP + +Default_Handler PROC + + EXPORT WWDG_IRQHandler [WEAK] + EXPORT PVD_IRQHandler [WEAK] + EXPORT TAMP_STAMP_IRQHandler [WEAK] + EXPORT RTC_WKUP_IRQHandler [WEAK] + EXPORT FLASH_IRQHandler [WEAK] + EXPORT RCC_IRQHandler [WEAK] + EXPORT EXTI0_IRQHandler [WEAK] + EXPORT EXTI1_IRQHandler [WEAK] + EXPORT EXTI2_IRQHandler [WEAK] + EXPORT EXTI3_IRQHandler [WEAK] + EXPORT EXTI4_IRQHandler [WEAK] + EXPORT DMA1_Stream0_IRQHandler [WEAK] + EXPORT DMA1_Stream1_IRQHandler [WEAK] + EXPORT DMA1_Stream2_IRQHandler [WEAK] + EXPORT DMA1_Stream3_IRQHandler [WEAK] + EXPORT DMA1_Stream4_IRQHandler [WEAK] + EXPORT DMA1_Stream5_IRQHandler [WEAK] + EXPORT DMA1_Stream6_IRQHandler [WEAK] + EXPORT ADC_IRQHandler [WEAK] + EXPORT CAN1_TX_IRQHandler [WEAK] + EXPORT CAN1_RX0_IRQHandler [WEAK] + EXPORT CAN1_RX1_IRQHandler [WEAK] + EXPORT CAN1_SCE_IRQHandler [WEAK] + EXPORT EXTI9_5_IRQHandler [WEAK] + EXPORT TIM1_BRK_TIM9_IRQHandler [WEAK] + EXPORT TIM1_UP_TIM10_IRQHandler [WEAK] + EXPORT TIM1_TRG_COM_TIM11_IRQHandler [WEAK] + EXPORT TIM1_CC_IRQHandler [WEAK] + EXPORT TIM2_IRQHandler [WEAK] + EXPORT TIM3_IRQHandler [WEAK] + EXPORT TIM4_IRQHandler [WEAK] + EXPORT I2C1_EV_IRQHandler [WEAK] + EXPORT I2C1_ER_IRQHandler [WEAK] + EXPORT I2C2_EV_IRQHandler [WEAK] + EXPORT I2C2_ER_IRQHandler [WEAK] + EXPORT SPI1_IRQHandler [WEAK] + EXPORT SPI2_IRQHandler [WEAK] + EXPORT USART1_IRQHandler [WEAK] + EXPORT USART2_IRQHandler [WEAK] + EXPORT USART3_IRQHandler [WEAK] + EXPORT EXTI15_10_IRQHandler [WEAK] + EXPORT RTC_Alarm_IRQHandler [WEAK] + EXPORT OTG_FS_WKUP_IRQHandler [WEAK] + EXPORT TIM8_BRK_TIM12_IRQHandler [WEAK] + EXPORT TIM8_UP_TIM13_IRQHandler [WEAK] + EXPORT TIM8_TRG_COM_TIM14_IRQHandler [WEAK] + EXPORT TIM8_CC_IRQHandler [WEAK] + EXPORT DMA1_Stream7_IRQHandler [WEAK] + EXPORT FMC_IRQHandler [WEAK] + EXPORT SDIO_IRQHandler [WEAK] + EXPORT TIM5_IRQHandler [WEAK] + EXPORT SPI3_IRQHandler [WEAK] + EXPORT UART4_IRQHandler [WEAK] + EXPORT UART5_IRQHandler [WEAK] + EXPORT TIM6_DAC_IRQHandler [WEAK] + EXPORT TIM7_IRQHandler [WEAK] + EXPORT DMA2_Stream0_IRQHandler [WEAK] + EXPORT DMA2_Stream1_IRQHandler [WEAK] + EXPORT DMA2_Stream2_IRQHandler [WEAK] + EXPORT DMA2_Stream3_IRQHandler [WEAK] + EXPORT DMA2_Stream4_IRQHandler [WEAK] + EXPORT ETH_IRQHandler [WEAK] + EXPORT ETH_WKUP_IRQHandler [WEAK] + EXPORT CAN2_TX_IRQHandler [WEAK] + EXPORT CAN2_RX0_IRQHandler [WEAK] + EXPORT CAN2_RX1_IRQHandler [WEAK] + EXPORT CAN2_SCE_IRQHandler [WEAK] + EXPORT OTG_FS_IRQHandler [WEAK] + EXPORT DMA2_Stream5_IRQHandler [WEAK] + EXPORT DMA2_Stream6_IRQHandler [WEAK] + EXPORT DMA2_Stream7_IRQHandler [WEAK] + EXPORT USART6_IRQHandler [WEAK] + EXPORT I2C3_EV_IRQHandler [WEAK] + EXPORT I2C3_ER_IRQHandler [WEAK] + EXPORT OTG_HS_EP1_OUT_IRQHandler [WEAK] + EXPORT OTG_HS_EP1_IN_IRQHandler [WEAK] + EXPORT OTG_HS_WKUP_IRQHandler [WEAK] + EXPORT OTG_HS_IRQHandler [WEAK] + EXPORT DCMI_IRQHandler [WEAK] + EXPORT HASH_RNG_IRQHandler [WEAK] + EXPORT FPU_IRQHandler [WEAK] + EXPORT UART7_IRQHandler [WEAK] + EXPORT UART8_IRQHandler [WEAK] + EXPORT SPI4_IRQHandler [WEAK] + EXPORT SPI5_IRQHandler [WEAK] + EXPORT SPI6_IRQHandler [WEAK] + EXPORT SAI1_IRQHandler [WEAK] + EXPORT LTDC_IRQHandler [WEAK] + EXPORT LTDC_ER_IRQHandler [WEAK] + EXPORT DMA2D_IRQHandler [WEAK] + +WWDG_IRQHandler +PVD_IRQHandler +TAMP_STAMP_IRQHandler +RTC_WKUP_IRQHandler +FLASH_IRQHandler +RCC_IRQHandler +EXTI0_IRQHandler +EXTI1_IRQHandler +EXTI2_IRQHandler +EXTI3_IRQHandler +EXTI4_IRQHandler +DMA1_Stream0_IRQHandler +DMA1_Stream1_IRQHandler +DMA1_Stream2_IRQHandler +DMA1_Stream3_IRQHandler +DMA1_Stream4_IRQHandler +DMA1_Stream5_IRQHandler +DMA1_Stream6_IRQHandler +ADC_IRQHandler +CAN1_TX_IRQHandler +CAN1_RX0_IRQHandler +CAN1_RX1_IRQHandler +CAN1_SCE_IRQHandler +EXTI9_5_IRQHandler +TIM1_BRK_TIM9_IRQHandler +TIM1_UP_TIM10_IRQHandler +TIM1_TRG_COM_TIM11_IRQHandler +TIM1_CC_IRQHandler +TIM2_IRQHandler +TIM3_IRQHandler +TIM4_IRQHandler +I2C1_EV_IRQHandler +I2C1_ER_IRQHandler +I2C2_EV_IRQHandler +I2C2_ER_IRQHandler +SPI1_IRQHandler +SPI2_IRQHandler +USART1_IRQHandler +USART2_IRQHandler +USART3_IRQHandler +EXTI15_10_IRQHandler +RTC_Alarm_IRQHandler +OTG_FS_WKUP_IRQHandler +TIM8_BRK_TIM12_IRQHandler +TIM8_UP_TIM13_IRQHandler +TIM8_TRG_COM_TIM14_IRQHandler +TIM8_CC_IRQHandler +DMA1_Stream7_IRQHandler +FMC_IRQHandler +SDIO_IRQHandler +TIM5_IRQHandler +SPI3_IRQHandler +UART4_IRQHandler +UART5_IRQHandler +TIM6_DAC_IRQHandler +TIM7_IRQHandler +DMA2_Stream0_IRQHandler +DMA2_Stream1_IRQHandler +DMA2_Stream2_IRQHandler +DMA2_Stream3_IRQHandler +DMA2_Stream4_IRQHandler +ETH_IRQHandler +ETH_WKUP_IRQHandler +CAN2_TX_IRQHandler +CAN2_RX0_IRQHandler +CAN2_RX1_IRQHandler +CAN2_SCE_IRQHandler +OTG_FS_IRQHandler +DMA2_Stream5_IRQHandler +DMA2_Stream6_IRQHandler +DMA2_Stream7_IRQHandler +USART6_IRQHandler +I2C3_EV_IRQHandler +I2C3_ER_IRQHandler +OTG_HS_EP1_OUT_IRQHandler +OTG_HS_EP1_IN_IRQHandler +OTG_HS_WKUP_IRQHandler +OTG_HS_IRQHandler +DCMI_IRQHandler +HASH_RNG_IRQHandler +FPU_IRQHandler +UART7_IRQHandler +UART8_IRQHandler +SPI4_IRQHandler +SPI5_IRQHandler +SPI6_IRQHandler +SAI1_IRQHandler +LTDC_IRQHandler +LTDC_ER_IRQHandler +DMA2D_IRQHandler + B . + + ENDP + + ALIGN + +;******************************************************************************* +; User Stack and Heap initialization +;******************************************************************************* + IF :DEF:__MICROLIB + + EXPORT __initial_sp + EXPORT __heap_base + EXPORT __heap_limit + + ELSE + + IMPORT __use_two_region_memory + EXPORT __user_initial_stackheap + +__user_initial_stackheap + + LDR R0, = Heap_Mem + LDR R1, =(Stack_Mem + Stack_Size) + LDR R2, = (Heap_Mem + Heap_Size) + LDR R3, = Stack_Mem + BX LR + + ALIGN + + ENDIF + + END + +;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** diff --git a/Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c b/Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c new file mode 100644 index 0000000..affb78e --- /dev/null +++ b/Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c @@ -0,0 +1,587 @@ +/** + ****************************************************************************** + * @file system_stm32f4xx.c + * @author MCD Application Team + * @version V2.3.2 + * @date 26-June-2015 + * @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File. + * + * This file provides two functions and one global variable to be called from + * user application: + * - SystemInit(): This function is called at startup just after reset and + * before branch to main program. This call is made inside + * the "startup_stm32f4xx.s" file. + * + * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used + * by the user application to setup the SysTick + * timer or configure other parameters. + * + * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must + * be called whenever the core clock is changed + * during program execution. + * + * + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2015 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32f4xx_system + * @{ + */ + +/** @addtogroup STM32F4xx_System_Private_Includes + * @{ + */ + + +#include "stm32f4xx.h" + +#if !defined (HSE_VALUE) + #define HSE_VALUE ((uint32_t)25000000) /*!< Default value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ + +#if !defined (HSI_VALUE) + #define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* HSI_VALUE */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Defines + * @{ + */ + +/************************* Miscellaneous Configuration ************************/ +/*!< Uncomment the following line if you need to use external SRAM or SDRAM as data memory */ +#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\ + defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) +/* #define DATA_IN_ExtSRAM */ +#endif /* STM32F40xxx || STM32F41xxx || STM32F42xxx || STM32F43xxx */ + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\ + defined(STM32F446xx) +/* #define DATA_IN_ExtSDRAM */ +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx */ + +#if defined(DATA_IN_ExtSRAM) && defined(DATA_IN_ExtSDRAM) + #error "Please select DATA_IN_ExtSRAM or DATA_IN_ExtSDRAM " +#endif /* DATA_IN_ExtSRAM && DATA_IN_ExtSDRAM */ + +/*!< Uncomment the following line if you need to relocate your vector Table in + Internal SRAM. */ +/* #define VECT_TAB_SRAM */ +#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field. + This value must be a multiple of 0x200. */ +/******************************************************************************/ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Variables + * @{ + */ + /* This variable is updated in three ways: + 1) by calling CMSIS function SystemCoreClockUpdate() + 2) by calling HAL API function HAL_RCC_GetHCLKFreq() + 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency + Note: If you use this function to configure the system clock; then there + is no need to call the 2 first functions listed above, since SystemCoreClock + variable is updated automatically. + */ + uint32_t SystemCoreClock = 16000000; +const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}; + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_FunctionPrototypes + * @{ + */ + +#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) + static void SystemInit_ExtMemCtl(void); +#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Functions + * @{ + */ + +/** + * @brief Setup the microcontroller system + * Initialize the FPU setting, vector table location and External memory + * configuration. + * @param None + * @retval None + */ +void SystemInit(void) +{ + /* FPU settings ------------------------------------------------------------*/ + #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */ + #endif + /* Reset the RCC clock configuration to the default reset state ------------*/ + /* Set HSION bit */ + RCC->CR |= (uint32_t)0x00000001; + + /* Reset CFGR register */ + RCC->CFGR = 0x00000000; + + /* Reset HSEON, CSSON and PLLON bits */ + RCC->CR &= (uint32_t)0xFEF6FFFF; + + /* Reset PLLCFGR register */ + RCC->PLLCFGR = 0x24003010; + + /* Reset HSEBYP bit */ + RCC->CR &= (uint32_t)0xFFFBFFFF; + + /* Disable all interrupts */ + RCC->CIR = 0x00000000; + +#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) + SystemInit_ExtMemCtl(); +#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */ + + /* Configure the Vector Table location add offset address ------------------*/ +#ifdef VECT_TAB_SRAM + SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */ +#else + SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */ +#endif +} + +/** + * @brief Update SystemCoreClock variable according to Clock Register Values. + * The SystemCoreClock variable contains the core clock (HCLK), it can + * be used by the user application to setup the SysTick timer or configure + * other parameters. + * + * @note Each time the core clock (HCLK) changes, this function must be called + * to update SystemCoreClock variable value. Otherwise, any configuration + * based on this variable will be incorrect. + * + * @note - The system frequency computed by this function is not the real + * frequency in the chip. It is calculated based on the predefined + * constant and the selected clock source: + * + * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*) + * + * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**) + * + * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**) + * or HSI_VALUE(*) multiplied/divided by the PLL factors. + * + * (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value + * 16 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * + * (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value + * depends on the application requirements), user has to ensure that HSE_VALUE + * is same as the real frequency of the crystal used. Otherwise, this function + * may have wrong result. + * + * - The result of this function could be not correct when using fractional + * value for HSE crystal. + * + * @param None + * @retval None + */ +void SystemCoreClockUpdate(void) +{ + uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2; + + /* Get SYSCLK source -------------------------------------------------------*/ + tmp = RCC->CFGR & RCC_CFGR_SWS; + + switch (tmp) + { + case 0x00: /* HSI used as system clock source */ + SystemCoreClock = HSI_VALUE; + break; + case 0x04: /* HSE used as system clock source */ + SystemCoreClock = HSE_VALUE; + break; + case 0x08: /* PLL used as system clock source */ + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N + SYSCLK = PLL_VCO / PLL_P + */ + pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22; + pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM; + + if (pllsource != 0) + { + /* HSE used as PLL clock source */ + pllvco = (HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6); + } + else + { + /* HSI used as PLL clock source */ + pllvco = (HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6); + } + + pllp = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >>16) + 1 ) *2; + SystemCoreClock = pllvco/pllp; + break; + default: + SystemCoreClock = HSI_VALUE; + break; + } + /* Compute HCLK frequency --------------------------------------------------*/ + /* Get HCLK prescaler */ + tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)]; + /* HCLK frequency */ + SystemCoreClock >>= tmp; +} + +#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) +/** + * @brief Setup the external memory controller. + * Called in startup_stm32f4xx.s before jump to main. + * This function configures the external memories (SRAM/SDRAM) + * This SRAM/SDRAM will be used as program data memory (including heap and stack). + * @param None + * @retval None + */ +void SystemInit_ExtMemCtl(void) +{ + __IO uint32_t tmp = 0x00; +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || defined(STM32F446xx) +#if defined (DATA_IN_ExtSDRAM) + register uint32_t tmpreg = 0, timeout = 0xFFFF; + register uint32_t index; + +#if defined(STM32F446xx) + /* Enable GPIOA, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG interface + clock */ + RCC->AHB1ENR |= 0x0000007D; +#else + /* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface + clock */ + RCC->AHB1ENR |= 0x000001F8; +#endif /* STM32F446xx */ + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN); + +#if defined(STM32F446xx) + /* Connect PAx pins to FMC Alternate function */ + GPIOA->AFR[0] |= 0xC0000000; + GPIOA->AFR[1] |= 0x00000000; + /* Configure PDx pins in Alternate function mode */ + GPIOA->MODER |= 0x00008000; + /* Configure PDx pins speed to 50 MHz */ + GPIOA->OSPEEDR |= 0x00008000; + /* Configure PDx pins Output type to push-pull */ + GPIOA->OTYPER |= 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOA->PUPDR |= 0x00000000; + + /* Connect PCx pins to FMC Alternate function */ + GPIOC->AFR[0] |= 0x00CC0000; + GPIOC->AFR[1] |= 0x00000000; + /* Configure PDx pins in Alternate function mode */ + GPIOC->MODER |= 0x00000A00; + /* Configure PDx pins speed to 50 MHz */ + GPIOC->OSPEEDR |= 0x00000A00; + /* Configure PDx pins Output type to push-pull */ + GPIOC->OTYPER |= 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOC->PUPDR |= 0x00000000; +#endif /* STM32F446xx */ + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x000000CC; + GPIOD->AFR[1] = 0xCC000CCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xA02A000A; + /* Configure PDx pins speed to 50 MHz */ + GPIOD->OSPEEDR = 0xA02A000A; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOD->PUPDR = 0x00000000; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00000CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAA800A; + /* Configure PEx pins speed to 50 MHz */ + GPIOE->OSPEEDR = 0xAAAA800A; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* No pull-up, pull-down for PEx pins */ + GPIOE->PUPDR = 0x00000000; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0xCCCCCCCC; + GPIOF->AFR[1] = 0xCCCCCCCC; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAA800AAA; + /* Configure PFx pins speed to 50 MHz */ + GPIOF->OSPEEDR = 0xAA800AAA; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* No pull-up, pull-down for PFx pins */ + GPIOF->PUPDR = 0x00000000; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0xCCCCCCCC; + GPIOG->AFR[1] = 0xCCCCCCCC; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0xAAAAAAAA; + /* Configure PGx pins speed to 50 MHz */ + GPIOG->OSPEEDR = 0xAAAAAAAA; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* No pull-up, pull-down for PGx pins */ + GPIOG->PUPDR = 0x00000000; + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) + /* Connect PHx pins to FMC Alternate function */ + GPIOH->AFR[0] = 0x00C0CC00; + GPIOH->AFR[1] = 0xCCCCCCCC; + /* Configure PHx pins in Alternate function mode */ + GPIOH->MODER = 0xAAAA08A0; + /* Configure PHx pins speed to 50 MHz */ + GPIOH->OSPEEDR = 0xAAAA08A0; + /* Configure PHx pins Output type to push-pull */ + GPIOH->OTYPER = 0x00000000; + /* No pull-up, pull-down for PHx pins */ + GPIOH->PUPDR = 0x00000000; + + /* Connect PIx pins to FMC Alternate function */ + GPIOI->AFR[0] = 0xCCCCCCCC; + GPIOI->AFR[1] = 0x00000CC0; + /* Configure PIx pins in Alternate function mode */ + GPIOI->MODER = 0x0028AAAA; + /* Configure PIx pins speed to 50 MHz */ + GPIOI->OSPEEDR = 0x0028AAAA; + /* Configure PIx pins Output type to push-pull */ + GPIOI->OTYPER = 0x00000000; + /* No pull-up, pull-down for PIx pins */ + GPIOI->PUPDR = 0x00000000; +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ + +/*-- FMC Configuration -------------------------------------------------------*/ + /* Enable the FMC interface clock */ + RCC->AHB3ENR |= 0x00000001; + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); + + /* Configure and enable SDRAM bank1 */ +#if defined(STM32F446xx) + FMC_Bank5_6->SDCR[0] = 0x00001954; +#else + FMC_Bank5_6->SDCR[0] = 0x000019E4; +#endif /* STM32F446xx */ + FMC_Bank5_6->SDTR[0] = 0x01115351; + + /* SDRAM initialization sequence */ + /* Clock enable command */ + FMC_Bank5_6->SDCMR = 0x00000011; + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Delay */ + for (index = 0; index<1000; index++); + + /* PALL command */ + FMC_Bank5_6->SDCMR = 0x00000012; + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Auto refresh command */ +#if defined(STM32F446xx) + FMC_Bank5_6->SDCMR = 0x000000F3; +#else + FMC_Bank5_6->SDCMR = 0x00000073; +#endif /* STM32F446xx */ + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* MRD register program */ +#if defined(STM32F446xx) + FMC_Bank5_6->SDCMR = 0x00044014; +#else + FMC_Bank5_6->SDCMR = 0x00046014; +#endif /* STM32F446xx */ + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Set refresh count */ + tmpreg = FMC_Bank5_6->SDRTR; +#if defined(STM32F446xx) + FMC_Bank5_6->SDRTR = (tmpreg | (0x0000050C<<1)); +#else + FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1)); +#endif /* STM32F446xx */ + + /* Disable write protection */ + tmpreg = FMC_Bank5_6->SDCR[0]; + FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF); +#endif /* DATA_IN_ExtSDRAM */ +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx */ + +#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\ + defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) + +#if defined(DATA_IN_ExtSRAM) +/*-- GPIOs Configuration -----------------------------------------------------*/ + /* Enable GPIOD, GPIOE, GPIOF and GPIOG interface clock */ + RCC->AHB1ENR |= 0x00000078; + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIODEN); + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x00CCC0CC; + GPIOD->AFR[1] = 0xCCCCCCCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xAAAA0A8A; + /* Configure PDx pins speed to 100 MHz */ + GPIOD->OSPEEDR = 0xFFFF0FCF; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOD->PUPDR = 0x00000000; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00CC0CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAA828A; + /* Configure PEx pins speed to 100 MHz */ + GPIOE->OSPEEDR = 0xFFFFC3CF; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* No pull-up, pull-down for PEx pins */ + GPIOE->PUPDR = 0x00000000; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0x00CCCCCC; + GPIOF->AFR[1] = 0xCCCC0000; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAA000AAA; + /* Configure PFx pins speed to 100 MHz */ + GPIOF->OSPEEDR = 0xFF000FFF; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* No pull-up, pull-down for PFx pins */ + GPIOF->PUPDR = 0x00000000; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0x00CCCCCC; + GPIOG->AFR[1] = 0x000000C0; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0x00085AAA; + /* Configure PGx pins speed to 100 MHz */ + GPIOG->OSPEEDR = 0x000CAFFF; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* No pull-up, pull-down for PGx pins */ + GPIOG->PUPDR = 0x00000000; + +/*-- FMC/FSMC Configuration --------------------------------------------------*/ + /* Enable the FMC/FSMC interface clock */ + RCC->AHB3ENR |= 0x00000001; + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); + /* Configure and enable Bank1_SRAM2 */ + FMC_Bank1->BTCR[2] = 0x00001011; + FMC_Bank1->BTCR[3] = 0x00000201; + FMC_Bank1E->BWTR[2] = 0x0fffffff; +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ + +#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx)|| defined(STM32F417xx) + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FSMCEN); + /* Configure and enable Bank1_SRAM2 */ + FSMC_Bank1->BTCR[2] = 0x00001011; + FSMC_Bank1->BTCR[3] = 0x00000201; + FSMC_Bank1E->BWTR[2] = 0x0FFFFFFF; +#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx */ + +#endif /* DATA_IN_ExtSRAM */ +#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ + (void)(tmp); +} +#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3