aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stm32f1/hal/include/stm32f1xx_ll_crc.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stm32f1/hal/include/stm32f1xx_ll_crc.h')
-rw-r--r--lib/stm32f1/hal/include/stm32f1xx_ll_crc.h204
1 files changed, 204 insertions, 0 deletions
diff --git a/lib/stm32f1/hal/include/stm32f1xx_ll_crc.h b/lib/stm32f1/hal/include/stm32f1xx_ll_crc.h
new file mode 100644
index 00000000..98369750
--- /dev/null
+++ b/lib/stm32f1/hal/include/stm32f1xx_ll_crc.h
@@ -0,0 +1,204 @@
+/**
+ ******************************************************************************
+ * @file stm32f1xx_ll_crc.h
+ * @author MCD Application Team
+ * @brief Header file of CRC LL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2016 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
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32F1xx_LL_CRC_H
+#define STM32F1xx_LL_CRC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f1xx.h"
+
+/** @addtogroup STM32F1xx_LL_Driver
+ * @{
+ */
+
+#if defined(CRC)
+
+/** @defgroup CRC_LL CRC
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup CRC_LL_Exported_Constants CRC Exported Constants
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup CRC_LL_Exported_Macros CRC Exported Macros
+ * @{
+ */
+
+/** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros
+ * @{
+ */
+
+/**
+ * @brief Write a value in CRC register
+ * @param __INSTANCE__ CRC Instance
+ * @param __REG__ Register to be written
+ * @param __VALUE__ Value to be written in the register
+ * @retval None
+ */
+#define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, __VALUE__)
+
+/**
+ * @brief Read a value in CRC register
+ * @param __INSTANCE__ CRC Instance
+ * @param __REG__ Register to be read
+ * @retval Register value
+ */
+#define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup CRC_LL_Exported_Functions CRC Exported Functions
+ * @{
+ */
+
+/** @defgroup CRC_LL_EF_Configuration CRC Configuration functions
+ * @{
+ */
+
+/**
+ * @brief Reset the CRC calculation unit.
+ * @note If Programmable Initial CRC value feature
+ * is available, also set the Data Register to the value stored in the
+ * CRC_INIT register, otherwise, reset Data Register to its default value.
+ * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit
+ * @param CRCx CRC Instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx)
+{
+ SET_BIT(CRCx->CR, CRC_CR_RESET);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_LL_EF_Data_Management Data_Management
+ * @{
+ */
+
+/**
+ * @brief Write given 32-bit data to the CRC calculator
+ * @rmtoll DR DR LL_CRC_FeedData32
+ * @param CRCx CRC Instance
+ * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData)
+{
+ WRITE_REG(CRCx->DR, InData);
+}
+
+/**
+ * @brief Return current CRC calculation result. 32 bits value is returned.
+ * @rmtoll DR DR LL_CRC_ReadData32
+ * @param CRCx CRC Instance
+ * @retval Current CRC calculation result as stored in CRC_DR register (32 bits).
+ */
+__STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx)
+{
+ return (uint32_t)(READ_REG(CRCx->DR));
+}
+
+/**
+ * @brief Return data stored in the Independent Data(IDR) register.
+ * @note This register can be used as a temporary storage location for one byte.
+ * @rmtoll IDR IDR LL_CRC_Read_IDR
+ * @param CRCx CRC Instance
+ * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register).
+ */
+__STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx)
+{
+ return (uint32_t)(READ_REG(CRCx->IDR));
+}
+
+/**
+ * @brief Store data in the Independent Data(IDR) register.
+ * @note This register can be used as a temporary storage location for one byte.
+ * @rmtoll IDR IDR LL_CRC_Write_IDR
+ * @param CRCx CRC Instance
+ * @param InData value to be stored in CRC_IDR register (8-bit) between Min_Data=0 and Max_Data=0xFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData)
+{
+ *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData;
+}
+/**
+ * @}
+ */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions
+ * @{
+ */
+
+ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx);
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* defined(CRC) */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32F1xx_LL_CRC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/