From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- .../STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c | 122 +++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c (limited to 'Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c') diff --git a/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c new file mode 100644 index 0000000..c6c61e2 --- /dev/null +++ b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c @@ -0,0 +1,122 @@ +/** + ****************************************************************************** + * @file stm32f0xx_ll_crc.c + * @author MCD Application Team + * @brief CRC LL module driver. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2016 STMicroelectronics. + * All rights reserved.

+ * + * 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 + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f0xx_ll_crc.h" +#include "stm32f0xx_ll_bus.h" + +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F0xx_LL_Driver + * @{ + */ + +#if defined (CRC) + +/** @addtogroup CRC_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup CRC_LL_Exported_Functions + * @{ + */ + +/** @addtogroup CRC_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize CRC registers (Registers restored to their default values). + * @param CRCx CRC Instance + * @retval An ErrorStatus enumeration value: + * - SUCCESS: CRC registers are de-initialized + * - ERROR: CRC registers are not de-initialized + */ +ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx) +{ + ErrorStatus status = SUCCESS; + + /* Check the parameters */ + assert_param(IS_CRC_ALL_INSTANCE(CRCx)); + + if (CRCx == CRC) + { +#if defined(CRC_POL_POL) + /* Set programmable polynomial size in CR register to reset value (32 bits)*/ + LL_CRC_SetPolynomialSize(CRCx, LL_CRC_POLYLENGTH_32B); + + /* Set programmable polynomial in POL register to reset value */ + LL_CRC_SetPolynomialCoef(CRCx, LL_CRC_DEFAULT_CRC32_POLY); +#endif /* CRC_POL_POL */ + + /* Set INIT register to reset value */ + LL_CRC_SetInitialData(CRCx, LL_CRC_DEFAULT_CRC_INITVALUE); + + /* Set Reversibility options on I/O data values in CR register to reset value */ + LL_CRC_SetInputDataReverseMode(CRCx, LL_CRC_INDATA_REVERSE_NONE); + LL_CRC_SetOutputDataReverseMode(CRCx, LL_CRC_OUTDATA_REVERSE_NONE); + + /* Reset the CRC calculation unit */ + LL_CRC_ResetCRCCalculationUnit(CRCx); + + /* Reset IDR register */ + LL_CRC_Write_IDR(CRCx, 0x00U); + } + else + { + status = ERROR; + } + + return (status); +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined (CRC) */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + -- cgit