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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-07-18 12:55:22 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-07-18 12:55:22 +0000 |
| commit | 4849f800cf3ad6ba07ed785c5198d21917e63996 (patch) | |
| tree | 2648e965b121862e3c72c37e09d375d8f0ed9114 /demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_crc.c | |
| parent | 5ed3eb8eb99eecad0138843118e2e6d39a3189f8 (diff) | |
| download | ChibiOS-4849f800cf3ad6ba07ed785c5198d21917e63996.tar.gz ChibiOS-4849f800cf3ad6ba07ed785c5198d21917e63996.tar.bz2 ChibiOS-4849f800cf3ad6ba07ed785c5198d21917e63996.zip | |
Added ST firmware library files to the STM32 demo in order to make things easier to users.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1067 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_crc.c')
| -rw-r--r-- | demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_crc.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_crc.c b/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_crc.c new file mode 100644 index 000000000..ba665c9aa --- /dev/null +++ b/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_crc.c @@ -0,0 +1,163 @@ +/**
+ ******************************************************************************
+ * @file stm32f10x_crc.c
+ * @author MCD Application Team
+ * @version V3.1.0
+ * @date 06/19/2009
+ * @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>© COPYRIGHT 2009 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 2009 STMicroelectronics *****END OF FILE****/
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