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fix LPC812 PWM

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targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_spi_ex.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

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bogdanm 0:9b334a45a8ff 1 /**
bogdanm 0:9b334a45a8ff 2 ******************************************************************************
bogdanm 0:9b334a45a8ff 3 * @file stm32f0xx_hal_spi_ex.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
bogdanm 0:9b334a45a8ff 5 * @version V1.3.0
bogdanm 0:9b334a45a8ff 6 * @date 26-June-2015
bogdanm 0:9b334a45a8ff 7 * @brief Extended SPI HAL module driver.
bogdanm 0:9b334a45a8ff 8 * This file provides firmware functions to manage the following
bogdanm 0:9b334a45a8ff 9 * SPI peripheral extended functionalities :
bogdanm 0:9b334a45a8ff 10 * + IO operation functions
bogdanm 0:9b334a45a8ff 11 *
bogdanm 0:9b334a45a8ff 12 ******************************************************************************
bogdanm 0:9b334a45a8ff 13 * @attention
bogdanm 0:9b334a45a8ff 14 *
bogdanm 0:9b334a45a8ff 15 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 16 *
bogdanm 0:9b334a45a8ff 17 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 18 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 19 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 20 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 21 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 22 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 23 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 24 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 25 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 26 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 27 *
bogdanm 0:9b334a45a8ff 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 31 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 34 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 38 *
bogdanm 0:9b334a45a8ff 39 ******************************************************************************
bogdanm 0:9b334a45a8ff 40 */
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 43 #include "stm32f0xx_hal.h"
bogdanm 0:9b334a45a8ff 44
bogdanm 0:9b334a45a8ff 45 /** @addtogroup STM32F0xx_HAL_Driver
bogdanm 0:9b334a45a8ff 46 * @{
bogdanm 0:9b334a45a8ff 47 */
bogdanm 0:9b334a45a8ff 48
bogdanm 0:9b334a45a8ff 49 /** @defgroup SPIEx SPIEx
bogdanm 0:9b334a45a8ff 50 * @brief SPI Extended HAL module driver
bogdanm 0:9b334a45a8ff 51 * @{
bogdanm 0:9b334a45a8ff 52 */
bogdanm 0:9b334a45a8ff 53 #ifdef HAL_SPI_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 54
bogdanm 0:9b334a45a8ff 55 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 56 /* Private defines -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 57 /** @defgroup SPIEx_Private_Constants SPIEx Private Constants
bogdanm 0:9b334a45a8ff 58 * @{
bogdanm 0:9b334a45a8ff 59 */
bogdanm 0:9b334a45a8ff 60 #define SPI_FIFO_SIZE 4
bogdanm 0:9b334a45a8ff 61 /**
bogdanm 0:9b334a45a8ff 62 * @}
bogdanm 0:9b334a45a8ff 63 */
bogdanm 0:9b334a45a8ff 64
bogdanm 0:9b334a45a8ff 65 /* Private macros ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 66 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 67 /* Private function prototypes -----------------------------------------------*/
bogdanm 0:9b334a45a8ff 68 /* Exported functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 69
bogdanm 0:9b334a45a8ff 70 /** @defgroup SPIEx_Exported_Functions SPIEx Exported Functions
bogdanm 0:9b334a45a8ff 71 * @{
bogdanm 0:9b334a45a8ff 72 */
bogdanm 0:9b334a45a8ff 73
bogdanm 0:9b334a45a8ff 74 /** @defgroup SPIEx_Exported_Functions_Group1 IO operation functions
bogdanm 0:9b334a45a8ff 75 * @brief Data transfers functions
bogdanm 0:9b334a45a8ff 76 *
bogdanm 0:9b334a45a8ff 77 @verbatim
bogdanm 0:9b334a45a8ff 78 ==============================================================================
bogdanm 0:9b334a45a8ff 79 ##### IO operation functions #####
bogdanm 0:9b334a45a8ff 80 ===============================================================================
bogdanm 0:9b334a45a8ff 81 [..]
bogdanm 0:9b334a45a8ff 82 This subsection provides a set of extended functions to manage the SPI
bogdanm 0:9b334a45a8ff 83 data transfers.
bogdanm 0:9b334a45a8ff 84
bogdanm 0:9b334a45a8ff 85 (#) Rx data flush function:
bogdanm 0:9b334a45a8ff 86 (++) HAL_SPIEx_FlushRxFifo()
bogdanm 0:9b334a45a8ff 87
bogdanm 0:9b334a45a8ff 88 @endverbatim
bogdanm 0:9b334a45a8ff 89 * @{
bogdanm 0:9b334a45a8ff 90 */
bogdanm 0:9b334a45a8ff 91
bogdanm 0:9b334a45a8ff 92 /**
bogdanm 0:9b334a45a8ff 93 * @brief Flush the RX fifo.
bogdanm 0:9b334a45a8ff 94 * @param hspi: pointer to a SPI_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 95 * the configuration information for the specified SPI module.
bogdanm 0:9b334a45a8ff 96 * @retval HAL status
bogdanm 0:9b334a45a8ff 97 */
bogdanm 0:9b334a45a8ff 98 HAL_StatusTypeDef HAL_SPIEx_FlushRxFifo(SPI_HandleTypeDef *hspi)
bogdanm 0:9b334a45a8ff 99 {
bogdanm 0:9b334a45a8ff 100 __IO uint32_t tmpreg;
bogdanm 0:9b334a45a8ff 101 uint8_t count = 0;
bogdanm 0:9b334a45a8ff 102 while((hspi->Instance->SR & SPI_FLAG_FRLVL) != SPI_FRLVL_EMPTY)
bogdanm 0:9b334a45a8ff 103 {
bogdanm 0:9b334a45a8ff 104 count++;
bogdanm 0:9b334a45a8ff 105 tmpreg = hspi->Instance->DR;
bogdanm 0:9b334a45a8ff 106 UNUSED(tmpreg); /* To avoid GCC warning */
bogdanm 0:9b334a45a8ff 107 if(count == SPI_FIFO_SIZE)
bogdanm 0:9b334a45a8ff 108 {
bogdanm 0:9b334a45a8ff 109 return HAL_TIMEOUT;
bogdanm 0:9b334a45a8ff 110 }
bogdanm 0:9b334a45a8ff 111 }
bogdanm 0:9b334a45a8ff 112 return HAL_OK;
bogdanm 0:9b334a45a8ff 113 }
bogdanm 0:9b334a45a8ff 114
bogdanm 0:9b334a45a8ff 115 /**
bogdanm 0:9b334a45a8ff 116 * @}
bogdanm 0:9b334a45a8ff 117 */
bogdanm 0:9b334a45a8ff 118
bogdanm 0:9b334a45a8ff 119 /**
bogdanm 0:9b334a45a8ff 120 * @}
bogdanm 0:9b334a45a8ff 121 */
bogdanm 0:9b334a45a8ff 122
bogdanm 0:9b334a45a8ff 123 #endif /* HAL_SPI_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 124
bogdanm 0:9b334a45a8ff 125 /**
bogdanm 0:9b334a45a8ff 126 * @}
bogdanm 0:9b334a45a8ff 127 */
bogdanm 0:9b334a45a8ff 128
bogdanm 0:9b334a45a8ff 129 /**
bogdanm 0:9b334a45a8ff 130 * @}
bogdanm 0:9b334a45a8ff 131 */
bogdanm 0:9b334a45a8ff 132
bogdanm 0:9b334a45a8ff 133 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/