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-rw-r--r--Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_crc.c163
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diff --git a/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_crc.c b/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_crc.c
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index 0000000..c9291f4
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+++ b/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_crc.c
@@ -0,0 +1,163 @@
+/**
+ ******************************************************************************
+ * @file stm32f10x_crc.c
+ * @author MCD Application Team
+ * @version V3.3.0
+ * @date 04/16/2010
+ * @brief This file provides all the CRC firmware functions.
+ ******************************************************************************
+ * @copy
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x_crc.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup CRC
+ * @brief CRC driver modules
+ * @{
+ */
+
+/** @defgroup CRC_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_Private_Defines
+ * @{
+ */
+
+/* CR register bit mask */
+
+#define CR_RESET_Set ((uint32_t)0x00000001)
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_Private_FunctionPrototypes
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Resets the CRC Data register (DR).
+ * @param None
+ * @retval None
+ */
+void CRC_ResetDR(void)
+{
+ /* Reset CRC generator */
+ CRC->CR = CR_RESET_Set;
+}
+
+/**
+ * @brief Computes the 32-bit CRC of a given data word(32-bit).
+ * @param Data: data word(32-bit) to compute its CRC
+ * @retval 32-bit CRC
+ */
+uint32_t CRC_CalcCRC(uint32_t Data)
+{
+ CRC->DR = Data;
+
+ return (CRC->DR);
+}
+
+/**
+ * @brief Computes the 32-bit CRC of a given buffer of data word(32-bit).
+ * @param pBuffer: pointer to the buffer containing the data to be computed
+ * @param BufferLength: length of the buffer to be computed
+ * @retval 32-bit CRC
+ */
+uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength)
+{
+ uint32_t index = 0;
+
+ for(index = 0; index < BufferLength; index++)
+ {
+ CRC->DR = pBuffer[index];
+ }
+ return (CRC->DR);
+}
+
+/**
+ * @brief Returns the current CRC value.
+ * @param None
+ * @retval 32-bit CRC
+ */
+uint32_t CRC_GetCRC(void)
+{
+ return (CRC->DR);
+}
+
+/**
+ * @brief Stores a 8-bit data in the Independent Data(ID) register.
+ * @param IDValue: 8-bit value to be stored in the ID register
+ * @retval None
+ */
+void CRC_SetIDRegister(uint8_t IDValue)
+{
+ CRC->IDR = IDValue;
+}
+
+/**
+ * @brief Returns the 8-bit data stored in the Independent Data(ID) register
+ * @param None
+ * @retval 8-bit value of the ID register
+ */
+uint8_t CRC_GetIDRegister(void)
+{
+ return (CRC->IDR);
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/