285 lines
9.3 KiB
C
285 lines
9.3 KiB
C
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
* @file stm32f1xx_ll_utils.h
|
||
|
|
* @author MCD Application Team
|
||
|
|
* @version V1.1.1
|
||
|
|
* @date 12-May-2017
|
||
|
|
* @brief Header file of UTILS LL module.
|
||
|
|
@verbatim
|
||
|
|
==============================================================================
|
||
|
|
##### How to use this driver #####
|
||
|
|
==============================================================================
|
||
|
|
[..]
|
||
|
|
The LL UTILS driver contains a set of generic APIs that can be
|
||
|
|
used by user:
|
||
|
|
(+) Device electronic signature
|
||
|
|
(+) Timing functions
|
||
|
|
(+) PLL configuration functions
|
||
|
|
|
||
|
|
@endverbatim
|
||
|
|
******************************************************************************
|
||
|
|
* @attention
|
||
|
|
*
|
||
|
|
* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
******************************************************************************
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Define to prevent recursive inclusion -------------------------------------*/
|
||
|
|
#ifndef __STM32F1xx_LL_UTILS_H
|
||
|
|
#define __STM32F1xx_LL_UTILS_H
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Includes ------------------------------------------------------------------*/
|
||
|
|
#include "stm32f1xx.h"
|
||
|
|
|
||
|
|
/** @addtogroup STM32F1xx_LL_Driver
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup UTILS_LL UTILS
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Private types -------------------------------------------------------------*/
|
||
|
|
/* Private variables ---------------------------------------------------------*/
|
||
|
|
|
||
|
|
/* Private constants ---------------------------------------------------------*/
|
||
|
|
/** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Max delay can be used in LL_mDelay */
|
||
|
|
#define LL_MAX_DELAY 0xFFFFFFFFU
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Unique device ID register base address
|
||
|
|
*/
|
||
|
|
#define UID_BASE_ADDRESS UID_BASE
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Flash size data register base address
|
||
|
|
*/
|
||
|
|
#define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Private macros ------------------------------------------------------------*/
|
||
|
|
/** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
/* Exported types ------------------------------------------------------------*/
|
||
|
|
/** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* @brief UTILS PLL structure definition
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
uint32_t PLLMul; /*!< Multiplication factor for PLL VCO input clock.
|
||
|
|
This parameter can be a value of @ref RCC_LL_EC_PLL_MUL
|
||
|
|
|
||
|
|
This feature can be modified afterwards using unitary function
|
||
|
|
@ref LL_RCC_PLL_ConfigDomain_SYS(). */
|
||
|
|
|
||
|
|
uint32_t Prediv; /*!< Division factor for HSE used as PLL clock source.
|
||
|
|
This parameter can be a value of @ref RCC_LL_EC_PREDIV_DIV
|
||
|
|
|
||
|
|
This feature can be modified afterwards using unitary function
|
||
|
|
@ref LL_RCC_PLL_ConfigDomain_SYS(). */
|
||
|
|
} LL_UTILS_PLLInitTypeDef;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief UTILS System, AHB and APB buses clock configuration structure definition
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
|
||
|
|
This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
|
||
|
|
|
||
|
|
This feature can be modified afterwards using unitary function
|
||
|
|
@ref LL_RCC_SetAHBPrescaler(). */
|
||
|
|
|
||
|
|
uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
|
||
|
|
This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
|
||
|
|
|
||
|
|
This feature can be modified afterwards using unitary function
|
||
|
|
@ref LL_RCC_SetAPB1Prescaler(). */
|
||
|
|
|
||
|
|
uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
|
||
|
|
This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
|
||
|
|
|
||
|
|
This feature can be modified afterwards using unitary function
|
||
|
|
@ref LL_RCC_SetAPB2Prescaler(). */
|
||
|
|
|
||
|
|
} LL_UTILS_ClkInitTypeDef;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Exported constants --------------------------------------------------------*/
|
||
|
|
/** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */
|
||
|
|
#define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Exported macro ------------------------------------------------------------*/
|
||
|
|
|
||
|
|
/* Exported functions --------------------------------------------------------*/
|
||
|
|
/** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Get Word0 of the unique device identifier (UID based on 96 bits)
|
||
|
|
* @retval UID[31:0]
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE uint32_t LL_GetUID_Word0(void)
|
||
|
|
{
|
||
|
|
return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Get Word1 of the unique device identifier (UID based on 96 bits)
|
||
|
|
* @retval UID[63:32]
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE uint32_t LL_GetUID_Word1(void)
|
||
|
|
{
|
||
|
|
return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Get Word2 of the unique device identifier (UID based on 96 bits)
|
||
|
|
* @retval UID[95:64]
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE uint32_t LL_GetUID_Word2(void)
|
||
|
|
{
|
||
|
|
return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Get Flash memory size
|
||
|
|
* @note This bitfield indicates the size of the device Flash memory expressed in
|
||
|
|
* Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
|
||
|
|
* @retval FLASH_SIZE[15:0]: Flash memory size
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE uint32_t LL_GetFlashSize(void)
|
||
|
|
{
|
||
|
|
return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup UTILS_LL_EF_DELAY DELAY
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief This function configures the Cortex-M SysTick source of the time base.
|
||
|
|
* @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
|
||
|
|
* @note When a RTOS is used, it is recommended to avoid changing the SysTick
|
||
|
|
* configuration by calling this function, for a delay use rather osDelay RTOS service.
|
||
|
|
* @param Ticks Number of ticks
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
__STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
|
||
|
|
{
|
||
|
|
/* Configure the SysTick to have interrupt in 1ms time base */
|
||
|
|
SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */
|
||
|
|
SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
|
||
|
|
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
|
||
|
|
SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */
|
||
|
|
}
|
||
|
|
|
||
|
|
void LL_Init1msTick(uint32_t HCLKFrequency);
|
||
|
|
void LL_mDelay(uint32_t Delay);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup UTILS_EF_SYSTEM SYSTEM
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
void LL_SetSystemCoreClock(uint32_t HCLKFrequency);
|
||
|
|
ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
|
||
|
|
LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
|
||
|
|
ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
|
||
|
|
LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __STM32F1xx_LL_UTILS_H */
|
||
|
|
|
||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|