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/**
******************************************************************************
* @file stm32l4xx_ll_utils.h
* @author MCD Application Team
* @brief Header file of UTILS LL module.
*
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
@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
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32L4xx_LL_UTILS_H
#define STM32L4xx_LL_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx.h"
/** @addtogroup STM32L4xx_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
/**
* @brief Package data register base address
*/
#define PACKAGE_BASE_ADDRESS PACKAGE_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 PLLM; /*!< Division factor for PLL VCO input clock.
This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
This feature can be modified afterwards using unitary function
@ref LL_RCC_PLL_ConfigDomain_SYS(). */
uint32_t PLLN; /*!< Multiplication factor for PLL VCO output clock.
This parameter must be a number between Min_Data = 8 and Max_Data = 86
This feature can be modified afterwards using unitary function
@ref LL_RCC_PLL_ConfigDomain_SYS(). */
uint32_t PLLR; /*!< Division for the main system clock.
This parameter can be a value of @ref RCC_LL_EC_PLLR_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 */
/**
* @}
*/
/** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
* @{
*/
#define LL_UTILS_PACKAGETYPE_LQFP64 0x00000000U /*!< LQFP64 package type */
#define LL_UTILS_PACKAGETYPE_WLCSP64 0x00000001U /*!< WLCSP64 package type */
#define LL_UTILS_PACKAGETYPE_LQFP100 0x00000002U /*!< LQFP100 package type */
#define LL_UTILS_PACKAGETYPE_BGA132 0x00000003U /*!< BGA132 package type */
#define LL_UTILS_PACKAGETYPE_LQFP144_CSP72 0x00000004U /*!< LQFP144, WLCSP81 or WLCSP72 package type */
#define LL_UTILS_PACKAGETYPE_UFQFPN32 0x00000008U /*!< UFQFPN32 package type */
#define LL_UTILS_PACKAGETYPE_UFQFPN48 0x0000000AU /*!< UFQFPN48 package type */
#define LL_UTILS_PACKAGETYPE_LQFP48 0x0000000BU /*!< LQFP48 package type */
#define LL_UTILS_PACKAGETYPE_WLCSP49 0x0000000CU /*!< WLCSP49 package type */
#define LL_UTILS_PACKAGETYPE_UFBGA64 0x0000000DU /*!< UFBGA64 package type */
#define LL_UTILS_PACKAGETYPE_UFBGA100 0x0000000EU /*!< UFBGA100 package type */
#define LL_UTILS_PACKAGETYPE_UFBGA169_CSP115 0x00000010U /*!< UFBGA169 or WLCSP115 package type */
#define LL_UTILS_PACKAGETYPE_LQFP100_DSI 0x00000012U /*!< LQFP100 with DSI package type */
#define LL_UTILS_PACKAGETYPE_WLCSP144_DSI 0x00000013U /*!< WLCSP144 with DSI package type */
#define LL_UTILS_PACKAGETYPE_UFBGA144_DSI 0x00000013U /*!< UFBGA144 with DSI package type */
#define LL_UTILS_PACKAGETYPE_UFBGA169_DSI 0x00000014U /*!< UFBGA169 with DSI package type */
#define LL_UTILS_PACKAGETYPE_LQFP144_DSI 0x00000015U /*!< LQFP144 with DSI package type */
/**
* @}
*/
/**
* @}
*/
/* 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]: X and Y coordinates on the wafer expressed in BCD format
*/
__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]: Wafer number (UID[39:32]) & LOT_NUM[23:0] (UID[63:40])
*/
__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]: Lot number (ASCII encoded) - LOT_NUM[55:24]
*/
__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 (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0xFFFFU);
}
/**
* @brief Get Package type
* @retval Returned value can be one of the following values:
* @arg @ref LL_UTILS_PACKAGETYPE_LQFP64 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_LQFP100 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_BGA132 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_CSP72 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_UFQFPN32 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_UFQFPN48 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_LQFP48 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_WLCSP49 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_UFBGA64 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_UFBGA100 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169 (*)
* @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_DSI (*)
* @arg @ref LL_UTILS_PACKAGETYPE_WLCSP144_DSI (*)
* @arg @ref LL_UTILS_PACKAGETYPE_UFBGA144_DSI (*)
* @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169_DSI (*)
* @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_DSI (*)
*
* (*) value not defined in all devices.
*/
__STATIC_INLINE uint32_t LL_GetPackageType(void)
{
return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x1FU);
}
/**
* @}
*/
/** @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_SetFlashLatency(uint32_t HCLKFrequency);
ErrorStatus LL_PLL_ConfigSystemClock_MSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
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 /* STM32L4xx_LL_UTILS_H */