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diff --git a/lib/hal-stm32f0/source/stm32f0xx_hal_spi_ex.c b/lib/hal-stm32f0/source/stm32f0xx_hal_spi_ex.c
deleted file mode 100644
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--- a/lib/hal-stm32f0/source/stm32f0xx_hal_spi_ex.c
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-/**
- ******************************************************************************
- * @file stm32f0xx_hal_spi_ex.c
- * @author MCD Application Team
- * @brief Extended SPI HAL module driver.
- * This file provides firmware functions to manage the following
- * SPI peripheral extended functionalities :
- * + IO operation functions
- *
- ******************************************************************************
- * @attention
- *
- * <h2><center>&copy; 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 "stm32f0xx_hal.h"
-
-/** @addtogroup STM32F0xx_HAL_Driver
- * @{
- */
-
-/** @defgroup SPIEx SPIEx
- * @brief SPI Extended HAL module driver
- * @{
- */
-#ifdef HAL_SPI_MODULE_ENABLED
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private defines -----------------------------------------------------------*/
-/** @defgroup SPIEx_Private_Constants SPIEx Private Constants
- * @{
- */
-#define SPI_FIFO_SIZE 4
-/**
- * @}
- */
-
-/* Private macros ------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Exported functions ---------------------------------------------------------*/
-
-/** @defgroup SPIEx_Exported_Functions SPIEx Exported Functions
- * @{
- */
-
-/** @defgroup SPIEx_Exported_Functions_Group1 IO operation functions
- * @brief Data transfers functions
- *
-@verbatim
- ==============================================================================
- ##### IO operation functions #####
- ===============================================================================
- [..]
- This subsection provides a set of extended functions to manage the SPI
- data transfers.
-
- (#) Rx data flush function:
- (++) HAL_SPIEx_FlushRxFifo()
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Flush the RX fifo.
- * @param hspi pointer to a SPI_HandleTypeDef structure that contains
- * the configuration information for the specified SPI module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SPIEx_FlushRxFifo(SPI_HandleTypeDef *hspi)
-{
- __IO uint32_t tmpreg;
- uint8_t count = 0U;
- while ((hspi->Instance->SR & SPI_FLAG_FRLVL) != SPI_FRLVL_EMPTY)
- {
- count++;
- tmpreg = hspi->Instance->DR;
- UNUSED(tmpreg); /* To avoid GCC warning */
- if (count == SPI_FIFO_SIZE)
- {
- return HAL_TIMEOUT;
- }
- }
- return HAL_OK;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* HAL_SPI_MODULE_ENABLED */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/