1 files changed, 122 insertions, 0 deletions
diff --git a/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c b/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_crc.c
new file mode 100644
index 0000000..c6c61e2
--- /dev/null
+++ b/fw/midi-dials/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
+  *
+  * <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
+  *
+  ******************************************************************************
+  */
+#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****/
+