lib: Update stm32f1 to use upstream github source

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-09-02 18:05:49 -04:00
parent 729ac52851
commit 118f787d5c
18 changed files with 123836 additions and 123835 deletions

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@ -43,9 +43,10 @@ The stm32f0 directory contains code from:
version v1.10.1 (d0c380d668c67dcdd4e44f656be27045ce4006a6). Contents
taken from the Drivers/CMSIS/Device/ST/STM32F0xx/ directory.
The stm32f1 directory contains code from STMicroelectronics:
http://www.st.com/en/embedded-software/stm32cubef1.html
version 1.8.0 (extracted 20190721).
The stm32f1 directory contains code from:
https://github.com/STMicroelectronics/STM32CubeF1
version v1.8.0 (441b2cbdc25aa50437a59c4bffe22b88e78942c9). Contents
taken from the Drivers/CMSIS/Device/ST/STM32F1xx/ directory.
The stm32f2 directory contains code from STMicroelectronics:
https://www.st.com/content/st_com/en/products/embedded-software/mcu-mpu-embedded-software/stm32-embedded-software/stm32cube-mcu-mpu-packages/stm32cubef2.html

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@ -1,220 +1,220 @@
/**
******************************************************************************
* @file stm32f1xx.h
* @author MCD Application Team
* @brief CMSIS STM32F1xx Device Peripheral Access Layer Header File.
*
* The file is the unique include file that the application programmer
* is using in the C source code, usually in main.c. This file contains:
* - Configuration section that allows to select:
* - The STM32F1xx device used in the target application
* - To use or not the peripherals drivers in application code(i.e.
* code will be based on direct access to peripherals registers
* rather than drivers API), this option is controlled by
* "#define USE_HAL_DRIVER"
*
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f1xx
* @{
*/
#ifndef __STM32F1XX_H
#define __STM32F1XX_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/** @addtogroup Library_configuration_section
* @{
*/
/**
* @brief STM32 Family
*/
#if !defined (STM32F1)
#define STM32F1
#endif /* STM32F1 */
/* Uncomment the line below according to the target STM32L device used in your
application
*/
#if !defined (STM32F100xB) && !defined (STM32F100xE) && !defined (STM32F101x6) && \
!defined (STM32F101xB) && !defined (STM32F101xE) && !defined (STM32F101xG) && !defined (STM32F102x6) && !defined (STM32F102xB) && !defined (STM32F103x6) && \
!defined (STM32F103xB) && !defined (STM32F103xE) && !defined (STM32F103xG) && !defined (STM32F105xC) && !defined (STM32F107xC)
/* #define STM32F100xB */ /*!< STM32F100C4, STM32F100R4, STM32F100C6, STM32F100R6, STM32F100C8, STM32F100R8, STM32F100V8, STM32F100CB, STM32F100RB and STM32F100VB */
/* #define STM32F100xE */ /*!< STM32F100RC, STM32F100VC, STM32F100ZC, STM32F100RD, STM32F100VD, STM32F100ZD, STM32F100RE, STM32F100VE and STM32F100ZE */
/* #define STM32F101x6 */ /*!< STM32F101C4, STM32F101R4, STM32F101T4, STM32F101C6, STM32F101R6 and STM32F101T6 Devices */
/* #define STM32F101xB */ /*!< STM32F101C8, STM32F101R8, STM32F101T8, STM32F101V8, STM32F101CB, STM32F101RB, STM32F101TB and STM32F101VB */
/* #define STM32F101xE */ /*!< STM32F101RC, STM32F101VC, STM32F101ZC, STM32F101RD, STM32F101VD, STM32F101ZD, STM32F101RE, STM32F101VE and STM32F101ZE */
/* #define STM32F101xG */ /*!< STM32F101RF, STM32F101VF, STM32F101ZF, STM32F101RG, STM32F101VG and STM32F101ZG */
/* #define STM32F102x6 */ /*!< STM32F102C4, STM32F102R4, STM32F102C6 and STM32F102R6 */
/* #define STM32F102xB */ /*!< STM32F102C8, STM32F102R8, STM32F102CB and STM32F102RB */
/* #define STM32F103x6 */ /*!< STM32F103C4, STM32F103R4, STM32F103T4, STM32F103C6, STM32F103R6 and STM32F103T6 */
/* #define STM32F103xB */ /*!< STM32F103C8, STM32F103R8, STM32F103T8, STM32F103V8, STM32F103CB, STM32F103RB, STM32F103TB and STM32F103VB */
/* #define STM32F103xE */ /*!< STM32F103RC, STM32F103VC, STM32F103ZC, STM32F103RD, STM32F103VD, STM32F103ZD, STM32F103RE, STM32F103VE and STM32F103ZE */
/* #define STM32F103xG */ /*!< STM32F103RF, STM32F103VF, STM32F103ZF, STM32F103RG, STM32F103VG and STM32F103ZG */
/* #define STM32F105xC */ /*!< STM32F105R8, STM32F105V8, STM32F105RB, STM32F105VB, STM32F105RC and STM32F105VC */
/* #define STM32F107xC */ /*!< STM32F107RB, STM32F107VB, STM32F107RC and STM32F107VC */
#endif
/* Tip: To avoid modifying this file each time you need to switch between these
devices, you can define the device in your toolchain compiler preprocessor.
*/
#if !defined (USE_HAL_DRIVER)
/**
* @brief Comment the line below if you will not use the peripherals drivers.
In this case, these drivers will not be included and the application code will
be based on direct access to peripherals registers
*/
/*#define USE_HAL_DRIVER */
#endif /* USE_HAL_DRIVER */
/**
* @brief CMSIS Device version number V4.3.1
*/
#define __STM32F1_CMSIS_VERSION_MAIN (0x04) /*!< [31:24] main version */
#define __STM32F1_CMSIS_VERSION_SUB1 (0x03) /*!< [23:16] sub1 version */
#define __STM32F1_CMSIS_VERSION_SUB2 (0x01) /*!< [15:8] sub2 version */
#define __STM32F1_CMSIS_VERSION_RC (0x00) /*!< [7:0] release candidate */
#define __STM32F1_CMSIS_VERSION ((__STM32F1_CMSIS_VERSION_MAIN << 24)\
|(__STM32F1_CMSIS_VERSION_SUB1 << 16)\
|(__STM32F1_CMSIS_VERSION_SUB2 << 8 )\
|(__STM32F1_CMSIS_VERSION_RC))
/**
* @}
*/
/** @addtogroup Device_Included
* @{
*/
#if defined(STM32F100xB)
#include "stm32f100xb.h"
#elif defined(STM32F100xE)
#include "stm32f100xe.h"
#elif defined(STM32F101x6)
#include "stm32f101x6.h"
#elif defined(STM32F101xB)
#include "stm32f101xb.h"
#elif defined(STM32F101xE)
#include "stm32f101xe.h"
#elif defined(STM32F101xG)
#include "stm32f101xg.h"
#elif defined(STM32F102x6)
#include "stm32f102x6.h"
#elif defined(STM32F102xB)
#include "stm32f102xb.h"
#elif defined(STM32F103x6)
#include "stm32f103x6.h"
#elif defined(STM32F103xB)
#include "stm32f103xb.h"
#elif defined(STM32F103xE)
#include "stm32f103xe.h"
#elif defined(STM32F103xG)
#include "stm32f103xg.h"
#elif defined(STM32F105xC)
#include "stm32f105xc.h"
#elif defined(STM32F107xC)
#include "stm32f107xc.h"
#else
#error "Please select first the target STM32F1xx device used in your application (in stm32f1xx.h file)"
#endif
/**
* @}
*/
/** @addtogroup Exported_types
* @{
*/
typedef enum
{
RESET = 0,
SET = !RESET
} FlagStatus, ITStatus;
typedef enum
{
DISABLE = 0,
ENABLE = !DISABLE
} FunctionalState;
#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE))
typedef enum
{
SUCCESS = 0U,
ERROR = !SUCCESS
} ErrorStatus;
/**
* @}
*/
/** @addtogroup Exported_macros
* @{
*/
#define SET_BIT(REG, BIT) ((REG) |= (BIT))
#define CLEAR_BIT(REG, BIT) ((REG) &= ~(BIT))
#define READ_BIT(REG, BIT) ((REG) & (BIT))
#define CLEAR_REG(REG) ((REG) = (0x0))
#define WRITE_REG(REG, VAL) ((REG) = (VAL))
#define READ_REG(REG) ((REG))
#define MODIFY_REG(REG, CLEARMASK, SETMASK) WRITE_REG((REG), (((READ_REG(REG)) & (~(CLEARMASK))) | (SETMASK)))
#define POSITION_VAL(VAL) (__CLZ(__RBIT(VAL)))
/**
* @}
*/
#if defined (USE_HAL_DRIVER)
#include "stm32f1xx_hal.h"
#endif /* USE_HAL_DRIVER */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __STM32F1xx_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
/**
******************************************************************************
* @file stm32f1xx.h
* @author MCD Application Team
* @brief CMSIS STM32F1xx Device Peripheral Access Layer Header File.
*
* The file is the unique include file that the application programmer
* is using in the C source code, usually in main.c. This file contains:
* - Configuration section that allows to select:
* - The STM32F1xx device used in the target application
* - To use or not the peripherals drivers in application code(i.e.
* code will be based on direct access to peripherals registers
* rather than drivers API), this option is controlled by
* "#define USE_HAL_DRIVER"
*
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f1xx
* @{
*/
#ifndef __STM32F1XX_H
#define __STM32F1XX_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/** @addtogroup Library_configuration_section
* @{
*/
/**
* @brief STM32 Family
*/
#if !defined (STM32F1)
#define STM32F1
#endif /* STM32F1 */
/* Uncomment the line below according to the target STM32L device used in your
application
*/
#if !defined (STM32F100xB) && !defined (STM32F100xE) && !defined (STM32F101x6) && \
!defined (STM32F101xB) && !defined (STM32F101xE) && !defined (STM32F101xG) && !defined (STM32F102x6) && !defined (STM32F102xB) && !defined (STM32F103x6) && \
!defined (STM32F103xB) && !defined (STM32F103xE) && !defined (STM32F103xG) && !defined (STM32F105xC) && !defined (STM32F107xC)
/* #define STM32F100xB */ /*!< STM32F100C4, STM32F100R4, STM32F100C6, STM32F100R6, STM32F100C8, STM32F100R8, STM32F100V8, STM32F100CB, STM32F100RB and STM32F100VB */
/* #define STM32F100xE */ /*!< STM32F100RC, STM32F100VC, STM32F100ZC, STM32F100RD, STM32F100VD, STM32F100ZD, STM32F100RE, STM32F100VE and STM32F100ZE */
/* #define STM32F101x6 */ /*!< STM32F101C4, STM32F101R4, STM32F101T4, STM32F101C6, STM32F101R6 and STM32F101T6 Devices */
/* #define STM32F101xB */ /*!< STM32F101C8, STM32F101R8, STM32F101T8, STM32F101V8, STM32F101CB, STM32F101RB, STM32F101TB and STM32F101VB */
/* #define STM32F101xE */ /*!< STM32F101RC, STM32F101VC, STM32F101ZC, STM32F101RD, STM32F101VD, STM32F101ZD, STM32F101RE, STM32F101VE and STM32F101ZE */
/* #define STM32F101xG */ /*!< STM32F101RF, STM32F101VF, STM32F101ZF, STM32F101RG, STM32F101VG and STM32F101ZG */
/* #define STM32F102x6 */ /*!< STM32F102C4, STM32F102R4, STM32F102C6 and STM32F102R6 */
/* #define STM32F102xB */ /*!< STM32F102C8, STM32F102R8, STM32F102CB and STM32F102RB */
/* #define STM32F103x6 */ /*!< STM32F103C4, STM32F103R4, STM32F103T4, STM32F103C6, STM32F103R6 and STM32F103T6 */
/* #define STM32F103xB */ /*!< STM32F103C8, STM32F103R8, STM32F103T8, STM32F103V8, STM32F103CB, STM32F103RB, STM32F103TB and STM32F103VB */
/* #define STM32F103xE */ /*!< STM32F103RC, STM32F103VC, STM32F103ZC, STM32F103RD, STM32F103VD, STM32F103ZD, STM32F103RE, STM32F103VE and STM32F103ZE */
/* #define STM32F103xG */ /*!< STM32F103RF, STM32F103VF, STM32F103ZF, STM32F103RG, STM32F103VG and STM32F103ZG */
/* #define STM32F105xC */ /*!< STM32F105R8, STM32F105V8, STM32F105RB, STM32F105VB, STM32F105RC and STM32F105VC */
/* #define STM32F107xC */ /*!< STM32F107RB, STM32F107VB, STM32F107RC and STM32F107VC */
#endif
/* Tip: To avoid modifying this file each time you need to switch between these
devices, you can define the device in your toolchain compiler preprocessor.
*/
#if !defined (USE_HAL_DRIVER)
/**
* @brief Comment the line below if you will not use the peripherals drivers.
In this case, these drivers will not be included and the application code will
be based on direct access to peripherals registers
*/
/*#define USE_HAL_DRIVER */
#endif /* USE_HAL_DRIVER */
/**
* @brief CMSIS Device version number V4.3.1
*/
#define __STM32F1_CMSIS_VERSION_MAIN (0x04) /*!< [31:24] main version */
#define __STM32F1_CMSIS_VERSION_SUB1 (0x03) /*!< [23:16] sub1 version */
#define __STM32F1_CMSIS_VERSION_SUB2 (0x01) /*!< [15:8] sub2 version */
#define __STM32F1_CMSIS_VERSION_RC (0x00) /*!< [7:0] release candidate */
#define __STM32F1_CMSIS_VERSION ((__STM32F1_CMSIS_VERSION_MAIN << 24)\
|(__STM32F1_CMSIS_VERSION_SUB1 << 16)\
|(__STM32F1_CMSIS_VERSION_SUB2 << 8 )\
|(__STM32F1_CMSIS_VERSION_RC))
/**
* @}
*/
/** @addtogroup Device_Included
* @{
*/
#if defined(STM32F100xB)
#include "stm32f100xb.h"
#elif defined(STM32F100xE)
#include "stm32f100xe.h"
#elif defined(STM32F101x6)
#include "stm32f101x6.h"
#elif defined(STM32F101xB)
#include "stm32f101xb.h"
#elif defined(STM32F101xE)
#include "stm32f101xe.h"
#elif defined(STM32F101xG)
#include "stm32f101xg.h"
#elif defined(STM32F102x6)
#include "stm32f102x6.h"
#elif defined(STM32F102xB)
#include "stm32f102xb.h"
#elif defined(STM32F103x6)
#include "stm32f103x6.h"
#elif defined(STM32F103xB)
#include "stm32f103xb.h"
#elif defined(STM32F103xE)
#include "stm32f103xe.h"
#elif defined(STM32F103xG)
#include "stm32f103xg.h"
#elif defined(STM32F105xC)
#include "stm32f105xc.h"
#elif defined(STM32F107xC)
#include "stm32f107xc.h"
#else
#error "Please select first the target STM32F1xx device used in your application (in stm32f1xx.h file)"
#endif
/**
* @}
*/
/** @addtogroup Exported_types
* @{
*/
typedef enum
{
RESET = 0,
SET = !RESET
} FlagStatus, ITStatus;
typedef enum
{
DISABLE = 0,
ENABLE = !DISABLE
} FunctionalState;
#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE))
typedef enum
{
SUCCESS = 0U,
ERROR = !SUCCESS
} ErrorStatus;
/**
* @}
*/
/** @addtogroup Exported_macros
* @{
*/
#define SET_BIT(REG, BIT) ((REG) |= (BIT))
#define CLEAR_BIT(REG, BIT) ((REG) &= ~(BIT))
#define READ_BIT(REG, BIT) ((REG) & (BIT))
#define CLEAR_REG(REG) ((REG) = (0x0))
#define WRITE_REG(REG, VAL) ((REG) = (VAL))
#define READ_REG(REG) ((REG))
#define MODIFY_REG(REG, CLEARMASK, SETMASK) WRITE_REG((REG), (((READ_REG(REG)) & (~(CLEARMASK))) | (SETMASK)))
#define POSITION_VAL(VAL) (__CLZ(__RBIT(VAL)))
/**
* @}
*/
#if defined (USE_HAL_DRIVER)
#include "stm32f1xx_hal.h"
#endif /* USE_HAL_DRIVER */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __STM32F1xx_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -1,98 +1,98 @@
/**
******************************************************************************
* @file system_stm32f10x.h
* @author MCD Application Team
* @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Header File.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f10x_system
* @{
*/
/**
* @brief Define to prevent recursive inclusion
*/
#ifndef __SYSTEM_STM32F10X_H
#define __SYSTEM_STM32F10X_H
#ifdef __cplusplus
extern "C" {
#endif
/** @addtogroup STM32F10x_System_Includes
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_types
* @{
*/
extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
extern const uint8_t AHBPrescTable[16U]; /*!< AHB prescalers table values */
extern const uint8_t APBPrescTable[8U]; /*!< APB prescalers table values */
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_Constants
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_Macros
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_Functions
* @{
*/
extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /*__SYSTEM_STM32F10X_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
/**
******************************************************************************
* @file system_stm32f10x.h
* @author MCD Application Team
* @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Header File.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f10x_system
* @{
*/
/**
* @brief Define to prevent recursive inclusion
*/
#ifndef __SYSTEM_STM32F10X_H
#define __SYSTEM_STM32F10X_H
#ifdef __cplusplus
extern "C" {
#endif
/** @addtogroup STM32F10x_System_Includes
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_types
* @{
*/
extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
extern const uint8_t AHBPrescTable[16U]; /*!< AHB prescalers table values */
extern const uint8_t APBPrescTable[8U]; /*!< APB prescalers table values */
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_Constants
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_Macros
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F10x_System_Exported_Functions
* @{
*/
extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /*__SYSTEM_STM32F10X_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -1,430 +1,430 @@
/**
******************************************************************************
* @file system_stm32f1xx.c
* @author MCD Application Team
* @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Source File.
*
* 1. This file provides two functions and one global variable to be called from
* user application:
* - SystemInit(): Setups the system clock (System clock source, PLL Multiplier
* factors, AHB/APBx prescalers and Flash settings).
* This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the "startup_stm32f1xx_xx.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.
*
* 2. After each device reset the HSI (8 MHz) is used as system clock source.
* Then SystemInit() function is called, in "startup_stm32f1xx_xx.s" file, to
* configure the system clock before to branch to main program.
*
* 4. The default value of HSE crystal is set to 8 MHz (or 25 MHz, depending on
* the product used), refer to "HSE_VALUE".
* When HSE is used as system clock source, directly or through PLL, and you
* are using different crystal you have to adapt the HSE value to your own
* configuration.
*
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f1xx_system
* @{
*/
/** @addtogroup STM32F1xx_System_Private_Includes
* @{
*/
#include "stm32f1xx.h"
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Defines
* @{
*/
#if !defined (HSE_VALUE)
#define HSE_VALUE 8000000U /*!< Default value of the External oscillator in Hz.
This value can be provided and adapted by the user application. */
#endif /* HSE_VALUE */
#if !defined (HSI_VALUE)
#define HSI_VALUE 8000000U /*!< Default value of the Internal oscillator in Hz.
This value can be provided and adapted by the user application. */
#endif /* HSI_VALUE */
/*!< Uncomment the following line if you need to use external SRAM */
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
/* #define DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/*!< Uncomment the following line if you need to relocate your vector Table in
Internal SRAM. */
/* #define VECT_TAB_SRAM */
#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Macros
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F1xx_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[16U] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
const uint8_t APBPrescTable[8U] = {0, 0, 0, 0, 1, 2, 3, 4};
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_FunctionPrototypes
* @{
*/
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
#ifdef DATA_IN_ExtSRAM
static void SystemInit_ExtMemCtl(void);
#endif /* DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Functions
* @{
*/
/**
* @brief Setup the microcontroller system
* Initialize the Embedded Flash Interface, the PLL and update the
* SystemCoreClock variable.
* @note This function should be used only after reset.
* @param None
* @retval None
*/
void SystemInit (void)
{
/* Reset the RCC clock configuration to the default reset state(for debug purpose) */
/* Set HSION bit */
RCC->CR |= 0x00000001U;
/* Reset SW, HPRE, PPRE1, PPRE2, ADCPRE and MCO bits */
#if !defined(STM32F105xC) && !defined(STM32F107xC)
RCC->CFGR &= 0xF8FF0000U;
#else
RCC->CFGR &= 0xF0FF0000U;
#endif /* STM32F105xC */
/* Reset HSEON, CSSON and PLLON bits */
RCC->CR &= 0xFEF6FFFFU;
/* Reset HSEBYP bit */
RCC->CR &= 0xFFFBFFFFU;
/* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE/OTGFSPRE bits */
RCC->CFGR &= 0xFF80FFFFU;
#if defined(STM32F105xC) || defined(STM32F107xC)
/* Reset PLL2ON and PLL3ON bits */
RCC->CR &= 0xEBFFFFFFU;
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x00FF0000U;
/* Reset CFGR2 register */
RCC->CFGR2 = 0x00000000U;
#elif defined(STM32F100xB) || defined(STM32F100xE)
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x009F0000U;
/* Reset CFGR2 register */
RCC->CFGR2 = 0x00000000U;
#else
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x009F0000U;
#endif /* STM32F105xC */
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
#ifdef DATA_IN_ExtSRAM
SystemInit_ExtMemCtl();
#endif /* DATA_IN_ExtSRAM */
#endif
#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 by the PLL factors.
*
* (*) HSI_VALUE is a constant defined in stm32f1xx.h file (default value
* 8 MHz) but the real value may vary depending on the variations
* in voltage and temperature.
*
* (**) HSE_VALUE is a constant defined in stm32f1xx.h file (default value
* 8 MHz or 25 MHz, depending on the product used), 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 = 0U, pllmull = 0U, pllsource = 0U;
#if defined(STM32F105xC) || defined(STM32F107xC)
uint32_t prediv1source = 0U, prediv1factor = 0U, prediv2factor = 0U, pll2mull = 0U;
#endif /* STM32F105xC */
#if defined(STM32F100xB) || defined(STM32F100xE)
uint32_t prediv1factor = 0U;
#endif /* STM32F100xB or STM32F100xE */
/* Get SYSCLK source -------------------------------------------------------*/
tmp = RCC->CFGR & RCC_CFGR_SWS;
switch (tmp)
{
case 0x00U: /* HSI used as system clock */
SystemCoreClock = HSI_VALUE;
break;
case 0x04U: /* HSE used as system clock */
SystemCoreClock = HSE_VALUE;
break;
case 0x08U: /* PLL used as system clock */
/* Get PLL clock source and multiplication factor ----------------------*/
pllmull = RCC->CFGR & RCC_CFGR_PLLMULL;
pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
#if !defined(STM32F105xC) && !defined(STM32F107xC)
pllmull = ( pllmull >> 18U) + 2U;
if (pllsource == 0x00U)
{
/* HSI oscillator clock divided by 2 selected as PLL clock entry */
SystemCoreClock = (HSI_VALUE >> 1U) * pllmull;
}
else
{
#if defined(STM32F100xB) || defined(STM32F100xE)
prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1U;
/* HSE oscillator clock selected as PREDIV1 clock entry */
SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull;
#else
/* HSE selected as PLL clock entry */
if ((RCC->CFGR & RCC_CFGR_PLLXTPRE) != (uint32_t)RESET)
{/* HSE oscillator clock divided by 2 */
SystemCoreClock = (HSE_VALUE >> 1U) * pllmull;
}
else
{
SystemCoreClock = HSE_VALUE * pllmull;
}
#endif
}
#else
pllmull = pllmull >> 18U;
if (pllmull != 0x0DU)
{
pllmull += 2U;
}
else
{ /* PLL multiplication factor = PLL input clock * 6.5 */
pllmull = 13U / 2U;
}
if (pllsource == 0x00U)
{
/* HSI oscillator clock divided by 2 selected as PLL clock entry */
SystemCoreClock = (HSI_VALUE >> 1U) * pllmull;
}
else
{/* PREDIV1 selected as PLL clock entry */
/* Get PREDIV1 clock source and division factor */
prediv1source = RCC->CFGR2 & RCC_CFGR2_PREDIV1SRC;
prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1U;
if (prediv1source == 0U)
{
/* HSE oscillator clock selected as PREDIV1 clock entry */
SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull;
}
else
{/* PLL2 clock selected as PREDIV1 clock entry */
/* Get PREDIV2 division factor and PLL2 multiplication factor */
prediv2factor = ((RCC->CFGR2 & RCC_CFGR2_PREDIV2) >> 4U) + 1U;
pll2mull = ((RCC->CFGR2 & RCC_CFGR2_PLL2MUL) >> 8U) + 2U;
SystemCoreClock = (((HSE_VALUE / prediv2factor) * pll2mull) / prediv1factor) * pllmull;
}
}
#endif /* STM32F105xC */
break;
default:
SystemCoreClock = HSI_VALUE;
break;
}
/* Compute HCLK clock frequency ----------------*/
/* Get HCLK prescaler */
tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4U)];
/* HCLK clock frequency */
SystemCoreClock >>= tmp;
}
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
/**
* @brief Setup the external memory controller. Called in startup_stm32f1xx.s
* before jump to __main
* @param None
* @retval None
*/
#ifdef DATA_IN_ExtSRAM
/**
* @brief Setup the external memory controller.
* Called in startup_stm32f1xx_xx.s/.c before jump to main.
* This function configures the external SRAM mounted on STM3210E-EVAL
* board (STM32 High density devices). This SRAM will be used as program
* data memory (including heap and stack).
* @param None
* @retval None
*/
void SystemInit_ExtMemCtl(void)
{
__IO uint32_t tmpreg;
/*!< FSMC Bank1 NOR/SRAM3 is used for the STM3210E-EVAL, if another Bank is
required, then adjust the Register Addresses */
/* Enable FSMC clock */
RCC->AHBENR = 0x00000114U;
/* Delay after an RCC peripheral clock enabling */
tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FSMCEN);
/* Enable GPIOD, GPIOE, GPIOF and GPIOG clocks */
RCC->APB2ENR = 0x000001E0U;
/* Delay after an RCC peripheral clock enabling */
tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPDEN);
(void)(tmpreg);
/* --------------- SRAM Data lines, NOE and NWE configuration ---------------*/
/*---------------- SRAM Address lines configuration -------------------------*/
/*---------------- NOE and NWE configuration --------------------------------*/
/*---------------- NE3 configuration ----------------------------------------*/
/*---------------- NBL0, NBL1 configuration ---------------------------------*/
GPIOD->CRL = 0x44BB44BBU;
GPIOD->CRH = 0xBBBBBBBBU;
GPIOE->CRL = 0xB44444BBU;
GPIOE->CRH = 0xBBBBBBBBU;
GPIOF->CRL = 0x44BBBBBBU;
GPIOF->CRH = 0xBBBB4444U;
GPIOG->CRL = 0x44BBBBBBU;
GPIOG->CRH = 0x444B4B44U;
/*---------------- FSMC Configuration ---------------------------------------*/
/*---------------- Enable FSMC Bank1_SRAM Bank ------------------------------*/
FSMC_Bank1->BTCR[4U] = 0x00001091U;
FSMC_Bank1->BTCR[5U] = 0x00110212U;
}
#endif /* DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
/**
******************************************************************************
* @file system_stm32f1xx.c
* @author MCD Application Team
* @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Source File.
*
* 1. This file provides two functions and one global variable to be called from
* user application:
* - SystemInit(): Setups the system clock (System clock source, PLL Multiplier
* factors, AHB/APBx prescalers and Flash settings).
* This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the "startup_stm32f1xx_xx.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.
*
* 2. After each device reset the HSI (8 MHz) is used as system clock source.
* Then SystemInit() function is called, in "startup_stm32f1xx_xx.s" file, to
* configure the system clock before to branch to main program.
*
* 4. The default value of HSE crystal is set to 8 MHz (or 25 MHz, depending on
* the product used), refer to "HSE_VALUE".
* When HSE is used as system clock source, directly or through PLL, and you
* are using different crystal you have to adapt the HSE value to your own
* configuration.
*
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f1xx_system
* @{
*/
/** @addtogroup STM32F1xx_System_Private_Includes
* @{
*/
#include "stm32f1xx.h"
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Defines
* @{
*/
#if !defined (HSE_VALUE)
#define HSE_VALUE 8000000U /*!< Default value of the External oscillator in Hz.
This value can be provided and adapted by the user application. */
#endif /* HSE_VALUE */
#if !defined (HSI_VALUE)
#define HSI_VALUE 8000000U /*!< Default value of the Internal oscillator in Hz.
This value can be provided and adapted by the user application. */
#endif /* HSI_VALUE */
/*!< Uncomment the following line if you need to use external SRAM */
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
/* #define DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/*!< Uncomment the following line if you need to relocate your vector Table in
Internal SRAM. */
/* #define VECT_TAB_SRAM */
#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Macros
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F1xx_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[16U] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
const uint8_t APBPrescTable[8U] = {0, 0, 0, 0, 1, 2, 3, 4};
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_FunctionPrototypes
* @{
*/
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
#ifdef DATA_IN_ExtSRAM
static void SystemInit_ExtMemCtl(void);
#endif /* DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Functions
* @{
*/
/**
* @brief Setup the microcontroller system
* Initialize the Embedded Flash Interface, the PLL and update the
* SystemCoreClock variable.
* @note This function should be used only after reset.
* @param None
* @retval None
*/
void SystemInit (void)
{
/* Reset the RCC clock configuration to the default reset state(for debug purpose) */
/* Set HSION bit */
RCC->CR |= 0x00000001U;
/* Reset SW, HPRE, PPRE1, PPRE2, ADCPRE and MCO bits */
#if !defined(STM32F105xC) && !defined(STM32F107xC)
RCC->CFGR &= 0xF8FF0000U;
#else
RCC->CFGR &= 0xF0FF0000U;
#endif /* STM32F105xC */
/* Reset HSEON, CSSON and PLLON bits */
RCC->CR &= 0xFEF6FFFFU;
/* Reset HSEBYP bit */
RCC->CR &= 0xFFFBFFFFU;
/* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE/OTGFSPRE bits */
RCC->CFGR &= 0xFF80FFFFU;
#if defined(STM32F105xC) || defined(STM32F107xC)
/* Reset PLL2ON and PLL3ON bits */
RCC->CR &= 0xEBFFFFFFU;
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x00FF0000U;
/* Reset CFGR2 register */
RCC->CFGR2 = 0x00000000U;
#elif defined(STM32F100xB) || defined(STM32F100xE)
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x009F0000U;
/* Reset CFGR2 register */
RCC->CFGR2 = 0x00000000U;
#else
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x009F0000U;
#endif /* STM32F105xC */
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
#ifdef DATA_IN_ExtSRAM
SystemInit_ExtMemCtl();
#endif /* DATA_IN_ExtSRAM */
#endif
#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 by the PLL factors.
*
* (*) HSI_VALUE is a constant defined in stm32f1xx.h file (default value
* 8 MHz) but the real value may vary depending on the variations
* in voltage and temperature.
*
* (**) HSE_VALUE is a constant defined in stm32f1xx.h file (default value
* 8 MHz or 25 MHz, depending on the product used), 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 = 0U, pllmull = 0U, pllsource = 0U;
#if defined(STM32F105xC) || defined(STM32F107xC)
uint32_t prediv1source = 0U, prediv1factor = 0U, prediv2factor = 0U, pll2mull = 0U;
#endif /* STM32F105xC */
#if defined(STM32F100xB) || defined(STM32F100xE)
uint32_t prediv1factor = 0U;
#endif /* STM32F100xB or STM32F100xE */
/* Get SYSCLK source -------------------------------------------------------*/
tmp = RCC->CFGR & RCC_CFGR_SWS;
switch (tmp)
{
case 0x00U: /* HSI used as system clock */
SystemCoreClock = HSI_VALUE;
break;
case 0x04U: /* HSE used as system clock */
SystemCoreClock = HSE_VALUE;
break;
case 0x08U: /* PLL used as system clock */
/* Get PLL clock source and multiplication factor ----------------------*/
pllmull = RCC->CFGR & RCC_CFGR_PLLMULL;
pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
#if !defined(STM32F105xC) && !defined(STM32F107xC)
pllmull = ( pllmull >> 18U) + 2U;
if (pllsource == 0x00U)
{
/* HSI oscillator clock divided by 2 selected as PLL clock entry */
SystemCoreClock = (HSI_VALUE >> 1U) * pllmull;
}
else
{
#if defined(STM32F100xB) || defined(STM32F100xE)
prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1U;
/* HSE oscillator clock selected as PREDIV1 clock entry */
SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull;
#else
/* HSE selected as PLL clock entry */
if ((RCC->CFGR & RCC_CFGR_PLLXTPRE) != (uint32_t)RESET)
{/* HSE oscillator clock divided by 2 */
SystemCoreClock = (HSE_VALUE >> 1U) * pllmull;
}
else
{
SystemCoreClock = HSE_VALUE * pllmull;
}
#endif
}
#else
pllmull = pllmull >> 18U;
if (pllmull != 0x0DU)
{
pllmull += 2U;
}
else
{ /* PLL multiplication factor = PLL input clock * 6.5 */
pllmull = 13U / 2U;
}
if (pllsource == 0x00U)
{
/* HSI oscillator clock divided by 2 selected as PLL clock entry */
SystemCoreClock = (HSI_VALUE >> 1U) * pllmull;
}
else
{/* PREDIV1 selected as PLL clock entry */
/* Get PREDIV1 clock source and division factor */
prediv1source = RCC->CFGR2 & RCC_CFGR2_PREDIV1SRC;
prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1U;
if (prediv1source == 0U)
{
/* HSE oscillator clock selected as PREDIV1 clock entry */
SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull;
}
else
{/* PLL2 clock selected as PREDIV1 clock entry */
/* Get PREDIV2 division factor and PLL2 multiplication factor */
prediv2factor = ((RCC->CFGR2 & RCC_CFGR2_PREDIV2) >> 4U) + 1U;
pll2mull = ((RCC->CFGR2 & RCC_CFGR2_PLL2MUL) >> 8U) + 2U;
SystemCoreClock = (((HSE_VALUE / prediv2factor) * pll2mull) / prediv1factor) * pllmull;
}
}
#endif /* STM32F105xC */
break;
default:
SystemCoreClock = HSI_VALUE;
break;
}
/* Compute HCLK clock frequency ----------------*/
/* Get HCLK prescaler */
tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4U)];
/* HCLK clock frequency */
SystemCoreClock >>= tmp;
}
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
/**
* @brief Setup the external memory controller. Called in startup_stm32f1xx.s
* before jump to __main
* @param None
* @retval None
*/
#ifdef DATA_IN_ExtSRAM
/**
* @brief Setup the external memory controller.
* Called in startup_stm32f1xx_xx.s/.c before jump to main.
* This function configures the external SRAM mounted on STM3210E-EVAL
* board (STM32 High density devices). This SRAM will be used as program
* data memory (including heap and stack).
* @param None
* @retval None
*/
void SystemInit_ExtMemCtl(void)
{
__IO uint32_t tmpreg;
/*!< FSMC Bank1 NOR/SRAM3 is used for the STM3210E-EVAL, if another Bank is
required, then adjust the Register Addresses */
/* Enable FSMC clock */
RCC->AHBENR = 0x00000114U;
/* Delay after an RCC peripheral clock enabling */
tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FSMCEN);
/* Enable GPIOD, GPIOE, GPIOF and GPIOG clocks */
RCC->APB2ENR = 0x000001E0U;
/* Delay after an RCC peripheral clock enabling */
tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPDEN);
(void)(tmpreg);
/* --------------- SRAM Data lines, NOE and NWE configuration ---------------*/
/*---------------- SRAM Address lines configuration -------------------------*/
/*---------------- NOE and NWE configuration --------------------------------*/
/*---------------- NE3 configuration ----------------------------------------*/
/*---------------- NBL0, NBL1 configuration ---------------------------------*/
GPIOD->CRL = 0x44BB44BBU;
GPIOD->CRH = 0xBBBBBBBBU;
GPIOE->CRL = 0xB44444BBU;
GPIOE->CRH = 0xBBBBBBBBU;
GPIOF->CRL = 0x44BBBBBBU;
GPIOF->CRH = 0xBBBB4444U;
GPIOG->CRL = 0x44BBBBBBU;
GPIOG->CRH = 0x444B4B44U;
/*---------------- FSMC Configuration ---------------------------------------*/
/*---------------- Enable FSMC Bank1_SRAM Bank ------------------------------*/
FSMC_Bank1->BTCR[4U] = 0x00001091U;
FSMC_Bank1->BTCR[5U] = 0x00110212U;
}
#endif /* DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/