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Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_spi_ex.c@630:825f75ca301e, 2015-09-28 (annotated)

Committer:
mbed_official
Date:
Mon Sep 28 10:45:10 2015 +0100
Revision:
630:825f75ca301e
Synchronized with git revision 54fbe4144faf309c37205a5d39fa665daa919f10



Full URL: https://github.com/mbedmicro/mbed/commit/54fbe4144faf309c37205a5d39fa665daa919f10/



NUCLEO_F031K6 : Add new target

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 630:825f75ca301e 1 /**
mbed_official 630:825f75ca301e 2 ******************************************************************************
mbed_official 630:825f75ca301e 3 * @file stm32f0xx_hal_spi_ex.c
mbed_official 630:825f75ca301e 4 * @author MCD Application Team
mbed_official 630:825f75ca301e 5 * @version V1.3.0
mbed_official 630:825f75ca301e 6 * @date 26-June-2015
mbed_official 630:825f75ca301e 7 * @brief Extended SPI HAL module driver.
mbed_official 630:825f75ca301e 8 * This file provides firmware functions to manage the following
mbed_official 630:825f75ca301e 9 * SPI peripheral extended functionalities :
mbed_official 630:825f75ca301e 10 * + IO operation functions
mbed_official 630:825f75ca301e 11 *
mbed_official 630:825f75ca301e 12 ******************************************************************************
mbed_official 630:825f75ca301e 13 * @attention
mbed_official 630:825f75ca301e 14 *
mbed_official 630:825f75ca301e 15 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
mbed_official 630:825f75ca301e 16 *
mbed_official 630:825f75ca301e 17 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 630:825f75ca301e 18 * are permitted provided that the following conditions are met:
mbed_official 630:825f75ca301e 19 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 630:825f75ca301e 20 * this list of conditions and the following disclaimer.
mbed_official 630:825f75ca301e 21 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 630:825f75ca301e 22 * this list of conditions and the following disclaimer in the documentation
mbed_official 630:825f75ca301e 23 * and/or other materials provided with the distribution.
mbed_official 630:825f75ca301e 24 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 630:825f75ca301e 25 * may be used to endorse or promote products derived from this software
mbed_official 630:825f75ca301e 26 * without specific prior written permission.
mbed_official 630:825f75ca301e 27 *
mbed_official 630:825f75ca301e 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 630:825f75ca301e 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 630:825f75ca301e 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 630:825f75ca301e 31 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 630:825f75ca301e 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 630:825f75ca301e 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 630:825f75ca301e 34 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 630:825f75ca301e 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 630:825f75ca301e 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 630:825f75ca301e 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 630:825f75ca301e 38 *
mbed_official 630:825f75ca301e 39 ******************************************************************************
mbed_official 630:825f75ca301e 40 */
mbed_official 630:825f75ca301e 41
mbed_official 630:825f75ca301e 42 /* Includes ------------------------------------------------------------------*/
mbed_official 630:825f75ca301e 43 #include "stm32f0xx_hal.h"
mbed_official 630:825f75ca301e 44
mbed_official 630:825f75ca301e 45 /** @addtogroup STM32F0xx_HAL_Driver
mbed_official 630:825f75ca301e 46 * @{
mbed_official 630:825f75ca301e 47 */
mbed_official 630:825f75ca301e 48
mbed_official 630:825f75ca301e 49 /** @defgroup SPIEx SPIEx
mbed_official 630:825f75ca301e 50 * @brief SPI Extended HAL module driver
mbed_official 630:825f75ca301e 51 * @{
mbed_official 630:825f75ca301e 52 */
mbed_official 630:825f75ca301e 53 #ifdef HAL_SPI_MODULE_ENABLED
mbed_official 630:825f75ca301e 54
mbed_official 630:825f75ca301e 55 /* Private typedef -----------------------------------------------------------*/
mbed_official 630:825f75ca301e 56 /* Private defines -----------------------------------------------------------*/
mbed_official 630:825f75ca301e 57 /** @defgroup SPIEx_Private_Constants SPIEx Private Constants
mbed_official 630:825f75ca301e 58 * @{
mbed_official 630:825f75ca301e 59 */
mbed_official 630:825f75ca301e 60 #define SPI_FIFO_SIZE 4
mbed_official 630:825f75ca301e 61 /**
mbed_official 630:825f75ca301e 62 * @}
mbed_official 630:825f75ca301e 63 */
mbed_official 630:825f75ca301e 64
mbed_official 630:825f75ca301e 65 /* Private macros ------------------------------------------------------------*/
mbed_official 630:825f75ca301e 66 /* Private variables ---------------------------------------------------------*/
mbed_official 630:825f75ca301e 67 /* Private function prototypes -----------------------------------------------*/
mbed_official 630:825f75ca301e 68 /* Exported functions ---------------------------------------------------------*/
mbed_official 630:825f75ca301e 69
mbed_official 630:825f75ca301e 70 /** @defgroup SPIEx_Exported_Functions SPIEx Exported Functions
mbed_official 630:825f75ca301e 71 * @{
mbed_official 630:825f75ca301e 72 */
mbed_official 630:825f75ca301e 73
mbed_official 630:825f75ca301e 74 /** @defgroup SPIEx_Exported_Functions_Group1 IO operation functions
mbed_official 630:825f75ca301e 75 * @brief Data transfers functions
mbed_official 630:825f75ca301e 76 *
mbed_official 630:825f75ca301e 77 @verbatim
mbed_official 630:825f75ca301e 78 ==============================================================================
mbed_official 630:825f75ca301e 79 ##### IO operation functions #####
mbed_official 630:825f75ca301e 80 ===============================================================================
mbed_official 630:825f75ca301e 81 [..]
mbed_official 630:825f75ca301e 82 This subsection provides a set of extended functions to manage the SPI
mbed_official 630:825f75ca301e 83 data transfers.
mbed_official 630:825f75ca301e 84
mbed_official 630:825f75ca301e 85 (#) Rx data flush function:
mbed_official 630:825f75ca301e 86 (++) HAL_SPIEx_FlushRxFifo()
mbed_official 630:825f75ca301e 87
mbed_official 630:825f75ca301e 88 @endverbatim
mbed_official 630:825f75ca301e 89 * @{
mbed_official 630:825f75ca301e 90 */
mbed_official 630:825f75ca301e 91
mbed_official 630:825f75ca301e 92 /**
mbed_official 630:825f75ca301e 93 * @brief Flush the RX fifo.
mbed_official 630:825f75ca301e 94 * @param hspi: pointer to a SPI_HandleTypeDef structure that contains
mbed_official 630:825f75ca301e 95 * the configuration information for the specified SPI module.
mbed_official 630:825f75ca301e 96 * @retval HAL status
mbed_official 630:825f75ca301e 97 */
mbed_official 630:825f75ca301e 98 HAL_StatusTypeDef HAL_SPIEx_FlushRxFifo(SPI_HandleTypeDef *hspi)
mbed_official 630:825f75ca301e 99 {
mbed_official 630:825f75ca301e 100 __IO uint32_t tmpreg;
mbed_official 630:825f75ca301e 101 uint8_t count = 0;
mbed_official 630:825f75ca301e 102 while((hspi->Instance->SR & SPI_FLAG_FRLVL) != SPI_FRLVL_EMPTY)
mbed_official 630:825f75ca301e 103 {
mbed_official 630:825f75ca301e 104 count++;
mbed_official 630:825f75ca301e 105 tmpreg = hspi->Instance->DR;
mbed_official 630:825f75ca301e 106 UNUSED(tmpreg); /* To avoid GCC warning */
mbed_official 630:825f75ca301e 107 if(count == SPI_FIFO_SIZE)
mbed_official 630:825f75ca301e 108 {
mbed_official 630:825f75ca301e 109 return HAL_TIMEOUT;
mbed_official 630:825f75ca301e 110 }
mbed_official 630:825f75ca301e 111 }
mbed_official 630:825f75ca301e 112 return HAL_OK;
mbed_official 630:825f75ca301e 113 }
mbed_official 630:825f75ca301e 114
mbed_official 630:825f75ca301e 115 /**
mbed_official 630:825f75ca301e 116 * @}
mbed_official 630:825f75ca301e 117 */
mbed_official 630:825f75ca301e 118
mbed_official 630:825f75ca301e 119 /**
mbed_official 630:825f75ca301e 120 * @}
mbed_official 630:825f75ca301e 121 */
mbed_official 630:825f75ca301e 122
mbed_official 630:825f75ca301e 123 #endif /* HAL_SPI_MODULE_ENABLED */
mbed_official 630:825f75ca301e 124
mbed_official 630:825f75ca301e 125 /**
mbed_official 630:825f75ca301e 126 * @}
mbed_official 630:825f75ca301e 127 */
mbed_official 630:825f75ca301e 128
mbed_official 630:825f75ca301e 129 /**
mbed_official 630:825f75ca301e 130 * @}
mbed_official 630:825f75ca301e 131 */
mbed_official 630:825f75ca301e 132
mbed_official 630:825f75ca301e 133 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/