Hal Drivers for L4
Dependents: BSP OneHopeOnePrayer FINAL_AUDIO_RECORD AudioDemo
Fork of STM32L4xx_HAL_Driver by
Inc/stm32l4xx_ll_utils.h
- Committer:
- EricLew
- Date:
- 2015-11-25
- Revision:
- 2:7aef7655b0a8
- Parent:
- 0:80ee8f3b695e
File content as of revision 2:7aef7655b0a8:
/** ****************************************************************************** * @file stm32l4xx_ll_utils.h * @author MCD Application Team * @version V1.1.0 * @date 16-September-2015 * @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 @endverbatim ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2015 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 __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 (uint32_t)0xFFFFFFFF /** * @brief Unique device ID register base address */ #define UID_BASE_ADDRESS (uint32_t)0x1FFF7590 /** * @brief Flash size data register base address */ #define FLASHSIZE_BASE_ADDRESS (uint32_t)0x1FFF75E0 /** * @brief Package data register base address */ #define PACKAGESIZE_BASE_ADDRESS (uint32_t)0x1FFF7500 /** * @} */ /* Private macros ------------------------------------------------------------*/ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants * @{ */ /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE * @{ */ #define LL_UTILS_PACKAGETYPE_LQFP64 (uint32_t)0x00000000 /*!< LQFP64 package type */ #define LL_UTILS_PACKAGETYPE_LQPF100 (uint32_t)0x00000002 /*!< LQFP100 package type */ #define LL_UTILS_PACKAGETYPE_BGA132 (uint32_t)0x00000003 /*!< BGA132 package type */ #define LL_UTILS_PACKAGETYPE_LQFP144_CSP72 (uint32_t)0x00000004 /*!< LQFP144, WLCSP81 or WLCSP72 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 + 4)))); } /** * @brief Get Word2 of the unique device identifier (UID based on 96 bits) * @retval UID[95:64]: Lot number (ASCII encoded) - LOT_NUM[31:24] */ __STATIC_INLINE uint32_t LL_GetUID_Word2(void) { return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8)))); } /** * @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))); } /** * @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_LQPF100 * @arg @ref LL_UTILS_PACKAGETYPE_BGA132 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_CSP72 */ __STATIC_INLINE uint32_t LL_GetPackageType(void) { return (uint8_t)(READ_REG(*((uint32_t *)PACKAGESIZE_BASE_ADDRESS))); } /** * @} */ /** @defgroup UTILS_EF_DELAY DELAY * @{ */ /** * @brief This function provides accurate delay (in milliseconds) based * on SysTick counter flag * @note To respect 1ms timebase, user should call LL_InitTick function which * will configure Systick to 1ms * @param Delay specifies the delay time length, in milliseconds. * @retval None */ __STATIC_INLINE void LL_mDelay(uint32_t Delay) { volatile uint32_t tmp = SysTick->CTRL; /* Clear the COUNTFLAG first */ ((void)tmp); /* Add a period to guaranty minimum wait */ if (Delay < LL_MAX_DELAY) { Delay++; } while (Delay) { if ((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) != 0) { Delay--; } } } /** * @brief This function configures the source of the time base. * @note The time source is configured to have 1ms time base. * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro) * @retval None */ __STATIC_INLINE void LL_Init1msTick(uint32_t HCLKFrequency) { /* Configure the SysTick to have interrupt in 1ms time base */ SysTick->LOAD = (uint32_t)((HCLKFrequency / 1000) - 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 */ } /** * @} */ /** @defgroup UTILS_EF_SYSTEM SYSTEM * @{ */ /** * @brief This function sets directly SystemCoreClock CMSIS variable. * @note Variable can be calculated also through SystemCoreClockUpdate function. * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro) * @retval None */ __STATIC_INLINE void LL_SetSystemCoreClock(uint32_t HCLKFrequency) { /* HCLK clock frequency */ SystemCoreClock = HCLKFrequency; } /** * @} */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32L4xx_LL_UTILS_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/