Hal Drivers for L4
Dependents: BSP OneHopeOnePrayer FINAL_AUDIO_RECORD AudioDemo
Fork of STM32L4xx_HAL_Driver by
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?
User | Revision | Line number | New contents of line |
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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>© 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 |