Johannes Stratmann
added prescaler for 16 bit pwm in LPC1347 target
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Diff: targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_crc_ex.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 83:a036322b8637
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_crc_ex.c Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_crc_ex.c Fri Sep 02 15:07:44 2016 +0100
@@ -1,242 +1,242 @@
-/**
- ******************************************************************************
- * @file stm32f7xx_hal_crc_ex.c
- * @author MCD Application Team
- * @version V1.0.4
- * @date 09-December-2015
- * @brief Extended CRC HAL module driver.
- *
- * This file provides firmware functions to manage the following
- * functionalities of the CRC peripheral:
- * + Initialization/de-initialization functions
- *
- @verbatim
- ==============================================================================
- ##### CRC specific features #####
- ==============================================================================
- [..]
- (#) Polynomial configuration.
- (#) Input data reverse mode.
- (#) Output data reverse mode.
-
- @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.
- *
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f7xx_hal.h"
-
-/** @addtogroup STM32F7xx_HAL_Driver
- * @{
- */
-
-/** @addtogroup CRCEx
- * @brief CRC Extended HAL module driver
- * @{
- */
-
-#ifdef HAL_CRC_MODULE_ENABLED
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/** @addtogroup CRCEx_Exported_Functions
- * @{
- */
-
-/** @addtogroup CRCEx_Exported_Functions_Group1
- * @brief Extended CRC features functions
- *
-@verbatim
- ===============================================================================
- ##### CRC Extended features functions #####
- ===============================================================================
- [..]
-This subsection provides function allowing to:
- (+) Set CRC polynomial if different from default one.
-
-@endverbatim
- * @{
- */
-
-
-/**
- * @brief Initializes the CRC polynomial if different from default one.
- * @param hcrc: CRC handle
- * @param Pol: CRC generating polynomial (7, 8, 16 or 32-bit long)
- * This parameter is written in normal representation, e.g.
- * for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
- * for a polynomial of degree 16, X^16 + X^12 + X^5 + 1 is written 0x1021
- * @param PolyLength: CRC polynomial length
- * This parameter can be one of the following values:
- * @arg CRC_POLYLENGTH_7B: 7-bit long CRC (generating polynomial of degree 7)
- * @arg CRC_POLYLENGTH_8B: 8-bit long CRC (generating polynomial of degree 8)
- * @arg CRC_POLYLENGTH_16B: 16-bit long CRC (generating polynomial of degree 16)
- * @arg CRC_POLYLENGTH_32B: 32-bit long CRC (generating polynomial of degree 32)
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol, uint32_t PolyLength)
-{
- uint32_t msb = 31; /* polynomial degree is 32 at most, so msb is initialized to max value */
-
- /* Check the parameters */
- assert_param(IS_CRC_POL_LENGTH(PolyLength));
-
- /* check polynomial definition vs polynomial size:
- * polynomial length must be aligned with polynomial
- * definition. HAL_ERROR is reported if Pol degree is
- * larger than that indicated by PolyLength.
- * Look for MSB position: msb will contain the degree of
- * the second to the largest polynomial member. E.g., for
- * X^7 + X^6 + X^5 + X^2 + 1, msb = 6. */
- while (((Pol & ((uint32_t)(0x1) << msb)) == 0) && (msb-- > 0))
- {
- }
-
- switch (PolyLength)
- {
- case CRC_POLYLENGTH_7B:
- if (msb >= HAL_CRC_LENGTH_7B)
- {
- return HAL_ERROR;
- }
- break;
- case CRC_POLYLENGTH_8B:
- if (msb >= HAL_CRC_LENGTH_8B)
- {
- return HAL_ERROR;
- }
- break;
- case CRC_POLYLENGTH_16B:
- if (msb >= HAL_CRC_LENGTH_16B)
- {
- return HAL_ERROR;
- }
- break;
- case CRC_POLYLENGTH_32B:
- /* no polynomial definition vs. polynomial length issue possible */
- break;
- default:
- break;
- }
-
- /* set generating polynomial */
- WRITE_REG(hcrc->Instance->POL, Pol);
-
- /* set generating polynomial size */
- MODIFY_REG(hcrc->Instance->CR, CRC_CR_POLYSIZE, PolyLength);
-
- /* Return function status */
- return HAL_OK;
-}
-
-/**
- * @brief Set the Reverse Input data mode.
- * @param hcrc: CRC handle
- * @param InputReverseMode: Input Data inversion mode
- * This parameter can be one of the following values:
- * @arg CRC_INPUTDATA_INVERSION_NONE: no change in bit order (default value)
- * @arg CRC_INPUTDATA_INVERSION_BYTE: Byte-wise bit reversal
- * @arg CRC_INPUTDATA_INVERSION_HALFWORD: HalfWord-wise bit reversal
- * @arg CRC_INPUTDATA_INVERSION_WORD: Word-wise bit reversal
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_CRCEx_Input_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t InputReverseMode)
-{
- /* Check the parameters */
- assert_param(IS_CRC_INPUTDATA_INVERSION_MODE(InputReverseMode));
-
- /* Change CRC peripheral state */
- hcrc->State = HAL_CRC_STATE_BUSY;
-
- /* set input data inversion mode */
- MODIFY_REG(hcrc->Instance->CR, CRC_CR_REV_IN, InputReverseMode);
- /* Change CRC peripheral state */
- hcrc->State = HAL_CRC_STATE_READY;
-
- /* Return function status */
- return HAL_OK;
-}
-
-/**
- * @brief Set the Reverse Output data mode.
- * @param hcrc: CRC handle
- * @param OutputReverseMode: Output Data inversion mode
- * This parameter can be one of the following values:
- * @arg CRC_OUTPUTDATA_INVERSION_DISABLE: no CRC inversion (default value)
- * @arg CRC_OUTPUTDATA_INVERSION_ENABLE: bit-level inversion (e.g for a 8-bit CRC: 0xB5 becomes 0xAD)
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t OutputReverseMode)
-{
- /* Check the parameters */
- assert_param(IS_CRC_OUTPUTDATA_INVERSION_MODE(OutputReverseMode));
-
- /* Change CRC peripheral state */
- hcrc->State = HAL_CRC_STATE_BUSY;
-
- /* set output data inversion mode */
- MODIFY_REG(hcrc->Instance->CR, CRC_CR_REV_OUT, OutputReverseMode);
-
- /* Change CRC peripheral state */
- hcrc->State = HAL_CRC_STATE_READY;
-
- /* Return function status */
- return HAL_OK;
-}
-
-
-
-
-/**
- * @}
- */
-
-
-/**
- * @}
- */
-
-
-#endif /* HAL_CRC_MODULE_ENABLED */
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
+/**
+ ******************************************************************************
+ * @file stm32f7xx_hal_crc_ex.c
+ * @author MCD Application Team
+ * @version V1.1.0
+ * @date 22-April-2016
+ * @brief Extended CRC HAL module driver.
+ *
+ * This file provides firmware functions to manage the following
+ * functionalities of the CRC peripheral:
+ * + Initialization/de-initialization functions
+ *
+ @verbatim
+ ==============================================================================
+ ##### CRC specific features #####
+ ==============================================================================
+ [..]
+ (#) Polynomial configuration.
+ (#) Input data reverse mode.
+ (#) Output data reverse mode.
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2016 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.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f7xx_hal.h"
+
+/** @addtogroup STM32F7xx_HAL_Driver
+ * @{
+ */
+
+/** @addtogroup CRCEx
+ * @brief CRC Extended HAL module driver
+ * @{
+ */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @addtogroup CRCEx_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup CRCEx_Exported_Functions_Group1
+ * @brief Extended CRC features functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CRC Extended features functions #####
+ ===============================================================================
+ [..]
+This subsection provides function allowing to:
+ (+) Set CRC polynomial if different from default one.
+
+@endverbatim
+ * @{
+ */
+
+
+/**
+ * @brief Initializes the CRC polynomial if different from default one.
+ * @param hcrc: CRC handle
+ * @param Pol: CRC generating polynomial (7, 8, 16 or 32-bit long)
+ * This parameter is written in normal representation, e.g.
+ * for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
+ * for a polynomial of degree 16, X^16 + X^12 + X^5 + 1 is written 0x1021
+ * @param PolyLength: CRC polynomial length
+ * This parameter can be one of the following values:
+ * @arg CRC_POLYLENGTH_7B: 7-bit long CRC (generating polynomial of degree 7)
+ * @arg CRC_POLYLENGTH_8B: 8-bit long CRC (generating polynomial of degree 8)
+ * @arg CRC_POLYLENGTH_16B: 16-bit long CRC (generating polynomial of degree 16)
+ * @arg CRC_POLYLENGTH_32B: 32-bit long CRC (generating polynomial of degree 32)
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol, uint32_t PolyLength)
+{
+ uint32_t msb = 31; /* polynomial degree is 32 at most, so msb is initialized to max value */
+
+ /* Check the parameters */
+ assert_param(IS_CRC_POL_LENGTH(PolyLength));
+
+ /* check polynomial definition vs polynomial size:
+ * polynomial length must be aligned with polynomial
+ * definition. HAL_ERROR is reported if Pol degree is
+ * larger than that indicated by PolyLength.
+ * Look for MSB position: msb will contain the degree of
+ * the second to the largest polynomial member. E.g., for
+ * X^7 + X^6 + X^5 + X^2 + 1, msb = 6. */
+ while (((Pol & ((uint32_t)(0x1) << msb)) == 0) && (msb-- > 0))
+ {
+ }
+
+ switch (PolyLength)
+ {
+ case CRC_POLYLENGTH_7B:
+ if (msb >= HAL_CRC_LENGTH_7B)
+ {
+ return HAL_ERROR;
+ }
+ break;
+ case CRC_POLYLENGTH_8B:
+ if (msb >= HAL_CRC_LENGTH_8B)
+ {
+ return HAL_ERROR;
+ }
+ break;
+ case CRC_POLYLENGTH_16B:
+ if (msb >= HAL_CRC_LENGTH_16B)
+ {
+ return HAL_ERROR;
+ }
+ break;
+ case CRC_POLYLENGTH_32B:
+ /* no polynomial definition vs. polynomial length issue possible */
+ break;
+ default:
+ break;
+ }
+
+ /* set generating polynomial */
+ WRITE_REG(hcrc->Instance->POL, Pol);
+
+ /* set generating polynomial size */
+ MODIFY_REG(hcrc->Instance->CR, CRC_CR_POLYSIZE, PolyLength);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Set the Reverse Input data mode.
+ * @param hcrc: CRC handle
+ * @param InputReverseMode: Input Data inversion mode
+ * This parameter can be one of the following values:
+ * @arg CRC_INPUTDATA_INVERSION_NONE: no change in bit order (default value)
+ * @arg CRC_INPUTDATA_INVERSION_BYTE: Byte-wise bit reversal
+ * @arg CRC_INPUTDATA_INVERSION_HALFWORD: HalfWord-wise bit reversal
+ * @arg CRC_INPUTDATA_INVERSION_WORD: Word-wise bit reversal
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRCEx_Input_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t InputReverseMode)
+{
+ /* Check the parameters */
+ assert_param(IS_CRC_INPUTDATA_INVERSION_MODE(InputReverseMode));
+
+ /* Change CRC peripheral state */
+ hcrc->State = HAL_CRC_STATE_BUSY;
+
+ /* set input data inversion mode */
+ MODIFY_REG(hcrc->Instance->CR, CRC_CR_REV_IN, InputReverseMode);
+ /* Change CRC peripheral state */
+ hcrc->State = HAL_CRC_STATE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Set the Reverse Output data mode.
+ * @param hcrc: CRC handle
+ * @param OutputReverseMode: Output Data inversion mode
+ * This parameter can be one of the following values:
+ * @arg CRC_OUTPUTDATA_INVERSION_DISABLE: no CRC inversion (default value)
+ * @arg CRC_OUTPUTDATA_INVERSION_ENABLE: bit-level inversion (e.g for a 8-bit CRC: 0xB5 becomes 0xAD)
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t OutputReverseMode)
+{
+ /* Check the parameters */
+ assert_param(IS_CRC_OUTPUTDATA_INVERSION_MODE(OutputReverseMode));
+
+ /* Change CRC peripheral state */
+ hcrc->State = HAL_CRC_STATE_BUSY;
+
+ /* set output data inversion mode */
+ MODIFY_REG(hcrc->Instance->CR, CRC_CR_REV_OUT, OutputReverseMode);
+
+ /* Change CRC peripheral state */
+ hcrc->State = HAL_CRC_STATE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+#endif /* HAL_CRC_MODULE_ENABLED */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+