Senior Design: Sound Monitor / STM32L4xx_HAL_Driver

L4 HAL Drivers

Src/stm32l4xx_hal_spi_ex.c@0:80ee8f3b695e, 2015-11-02 (annotated)

Committer:
EricLew
Date:
Mon Nov 02 19:37:23 2015 +0000
Revision:
0:80ee8f3b695e
Errors are with definitions of LCD and QSPI functions. I believe all .h and .c files are  uploaded, but there may need to be certain functions called.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
EricLew 0:80ee8f3b695e 1 /**
EricLew 0:80ee8f3b695e 2 ******************************************************************************
EricLew 0:80ee8f3b695e 3 * @file stm32l4xx_hal_spi_ex.c
EricLew 0:80ee8f3b695e 4 * @author MCD Application Team
EricLew 0:80ee8f3b695e 5 * @version V1.1.0
EricLew 0:80ee8f3b695e 6 * @date 16-September-2015
EricLew 0:80ee8f3b695e 7 * @brief Extended SPI HAL module driver.
EricLew 0:80ee8f3b695e 8 * This file provides firmware functions to manage the following
EricLew 0:80ee8f3b695e 9 * SPI peripheral extended functionalities :
EricLew 0:80ee8f3b695e 10 * + IO operation functions
EricLew 0:80ee8f3b695e 11 *
EricLew 0:80ee8f3b695e 12 ******************************************************************************
EricLew 0:80ee8f3b695e 13 * @attention
EricLew 0:80ee8f3b695e 14 *
EricLew 0:80ee8f3b695e 15 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
EricLew 0:80ee8f3b695e 16 *
EricLew 0:80ee8f3b695e 17 * Redistribution and use in source and binary forms, with or without modification,
EricLew 0:80ee8f3b695e 18 * are permitted provided that the following conditions are met:
EricLew 0:80ee8f3b695e 19 * 1. Redistributions of source code must retain the above copyright notice,
EricLew 0:80ee8f3b695e 20 * this list of conditions and the following disclaimer.
EricLew 0:80ee8f3b695e 21 * 2. Redistributions in binary form must reproduce the above copyright notice,
EricLew 0:80ee8f3b695e 22 * this list of conditions and the following disclaimer in the documentation
EricLew 0:80ee8f3b695e 23 * and/or other materials provided with the distribution.
EricLew 0:80ee8f3b695e 24 * 3. Neither the name of STMicroelectronics nor the names of its contributors
EricLew 0:80ee8f3b695e 25 * may be used to endorse or promote products derived from this software
EricLew 0:80ee8f3b695e 26 * without specific prior written permission.
EricLew 0:80ee8f3b695e 27 *
EricLew 0:80ee8f3b695e 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
EricLew 0:80ee8f3b695e 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
EricLew 0:80ee8f3b695e 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
EricLew 0:80ee8f3b695e 31 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
EricLew 0:80ee8f3b695e 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
EricLew 0:80ee8f3b695e 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
EricLew 0:80ee8f3b695e 34 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
EricLew 0:80ee8f3b695e 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
EricLew 0:80ee8f3b695e 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
EricLew 0:80ee8f3b695e 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
EricLew 0:80ee8f3b695e 38 *
EricLew 0:80ee8f3b695e 39 ******************************************************************************
EricLew 0:80ee8f3b695e 40 */
EricLew 0:80ee8f3b695e 41
EricLew 0:80ee8f3b695e 42 /* Includes ------------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 43 #include "stm32l4xx_hal.h"
EricLew 0:80ee8f3b695e 44
EricLew 0:80ee8f3b695e 45 /** @addtogroup STM32L4xx_HAL_Driver
EricLew 0:80ee8f3b695e 46 * @{
EricLew 0:80ee8f3b695e 47 */
EricLew 0:80ee8f3b695e 48
EricLew 0:80ee8f3b695e 49 /** @defgroup SPIEx SPIEx
EricLew 0:80ee8f3b695e 50 * @brief SPI Extended HAL module driver
EricLew 0:80ee8f3b695e 51 * @{
EricLew 0:80ee8f3b695e 52 */
EricLew 0:80ee8f3b695e 53 #ifdef HAL_SPI_MODULE_ENABLED
EricLew 0:80ee8f3b695e 54
EricLew 0:80ee8f3b695e 55 /* Private typedef -----------------------------------------------------------*/
EricLew 0:80ee8f3b695e 56 /* Private defines -----------------------------------------------------------*/
EricLew 0:80ee8f3b695e 57 /** @defgroup SPIEx_Private_Constants SPIEx Private Constants
EricLew 0:80ee8f3b695e 58 * @{
EricLew 0:80ee8f3b695e 59 */
EricLew 0:80ee8f3b695e 60 #define SPI_FIFO_SIZE 4
EricLew 0:80ee8f3b695e 61 /**
EricLew 0:80ee8f3b695e 62 * @}
EricLew 0:80ee8f3b695e 63 */
EricLew 0:80ee8f3b695e 64
EricLew 0:80ee8f3b695e 65 /* Private macros ------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 66 /* Private variables ---------------------------------------------------------*/
EricLew 0:80ee8f3b695e 67 /* Private function prototypes -----------------------------------------------*/
EricLew 0:80ee8f3b695e 68 /* Exported functions ---------------------------------------------------------*/
EricLew 0:80ee8f3b695e 69
EricLew 0:80ee8f3b695e 70 /** @defgroup SPIEx_Exported_Functions SPIEx Exported Functions
EricLew 0:80ee8f3b695e 71 * @{
EricLew 0:80ee8f3b695e 72 */
EricLew 0:80ee8f3b695e 73
EricLew 0:80ee8f3b695e 74 /** @defgroup SPIEx_Exported_Functions_Group1 IO operation functions
EricLew 0:80ee8f3b695e 75 * @brief Data transfers functions
EricLew 0:80ee8f3b695e 76 *
EricLew 0:80ee8f3b695e 77 @verbatim
EricLew 0:80ee8f3b695e 78 ==============================================================================
EricLew 0:80ee8f3b695e 79 ##### IO operation functions #####
EricLew 0:80ee8f3b695e 80 ===============================================================================
EricLew 0:80ee8f3b695e 81 [..]
EricLew 0:80ee8f3b695e 82 This subsection provides a set of extended functions to manage the SPI
EricLew 0:80ee8f3b695e 83 data transfers.
EricLew 0:80ee8f3b695e 84
EricLew 0:80ee8f3b695e 85 (#) Rx data flush function:
EricLew 0:80ee8f3b695e 86 (++) HAL_SPIEx_FlushRxFifo()
EricLew 0:80ee8f3b695e 87
EricLew 0:80ee8f3b695e 88 @endverbatim
EricLew 0:80ee8f3b695e 89 * @{
EricLew 0:80ee8f3b695e 90 */
EricLew 0:80ee8f3b695e 91
EricLew 0:80ee8f3b695e 92 /**
EricLew 0:80ee8f3b695e 93 * @brief Flush the RX fifo.
EricLew 0:80ee8f3b695e 94 * @param hspi: pointer to a SPI_HandleTypeDef structure that contains
EricLew 0:80ee8f3b695e 95 * the configuration information for the specified SPI module.
EricLew 0:80ee8f3b695e 96 * @retval HAL status
EricLew 0:80ee8f3b695e 97 */
EricLew 0:80ee8f3b695e 98 HAL_StatusTypeDef HAL_SPIEx_FlushRxFifo(SPI_HandleTypeDef *hspi)
EricLew 0:80ee8f3b695e 99 {
EricLew 0:80ee8f3b695e 100 __IO uint32_t tmpreg;
EricLew 0:80ee8f3b695e 101 uint8_t count = 0;
EricLew 0:80ee8f3b695e 102 while((hspi->Instance->SR & SPI_FLAG_FRLVL) != SPI_FRLVL_EMPTY)
EricLew 0:80ee8f3b695e 103 {
EricLew 0:80ee8f3b695e 104 count++;
EricLew 0:80ee8f3b695e 105 tmpreg = hspi->Instance->DR;
EricLew 0:80ee8f3b695e 106 UNUSED(tmpreg); /* To avoid GCC warning */
EricLew 0:80ee8f3b695e 107 if(count == SPI_FIFO_SIZE)
EricLew 0:80ee8f3b695e 108 {
EricLew 0:80ee8f3b695e 109 return HAL_TIMEOUT;
EricLew 0:80ee8f3b695e 110 }
EricLew 0:80ee8f3b695e 111 }
EricLew 0:80ee8f3b695e 112 return HAL_OK;
EricLew 0:80ee8f3b695e 113 }
EricLew 0:80ee8f3b695e 114
EricLew 0:80ee8f3b695e 115 /**
EricLew 0:80ee8f3b695e 116 * @}
EricLew 0:80ee8f3b695e 117 */
EricLew 0:80ee8f3b695e 118
EricLew 0:80ee8f3b695e 119 /**
EricLew 0:80ee8f3b695e 120 * @}
EricLew 0:80ee8f3b695e 121 */
EricLew 0:80ee8f3b695e 122
EricLew 0:80ee8f3b695e 123 #endif /* HAL_SPI_MODULE_ENABLED */
EricLew 0:80ee8f3b695e 124
EricLew 0:80ee8f3b695e 125 /**
EricLew 0:80ee8f3b695e 126 * @}
EricLew 0:80ee8f3b695e 127 */
EricLew 0:80ee8f3b695e 128
EricLew 0:80ee8f3b695e 129 /**
EricLew 0:80ee8f3b695e 130 * @}
EricLew 0:80ee8f3b695e 131 */
EricLew 0:80ee8f3b695e 132
EricLew 0:80ee8f3b695e 133 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
EricLew 0:80ee8f3b695e 134