mbed library sources
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targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_spi_ex.c@394:83f921546702, 2014-11-07 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Nov 07 15:45:07 2014 +0000
- Revision:
- 394:83f921546702
- Parent:
- targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_hal_spi_ex.c@354:e67efb2aab0e
Synchronized with git revision aab52cb7ec5a665869e507dd988bbfd55b7e087e
Full URL: https://github.com/mbedmicro/mbed/commit/aab52cb7ec5a665869e507dd988bbfd55b7e087e/
Tests: Fix cpputest testrunner
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 354:e67efb2aab0e | 1 | /** |
mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_spi_ex.c |
mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
mbed_official | 354:e67efb2aab0e | 7 | * @brief Extended SPI HAL module driver. |
mbed_official | 354:e67efb2aab0e | 8 | * |
mbed_official | 354:e67efb2aab0e | 9 | * This file provides firmware functions to manage the following |
mbed_official | 354:e67efb2aab0e | 10 | * functionalities SPI extension peripheral: |
mbed_official | 354:e67efb2aab0e | 11 | * + Extended Peripheral Control functions |
mbed_official | 354:e67efb2aab0e | 12 | * |
mbed_official | 354:e67efb2aab0e | 13 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 14 | * @attention |
mbed_official | 354:e67efb2aab0e | 15 | * |
mbed_official | 354:e67efb2aab0e | 16 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 354:e67efb2aab0e | 17 | * |
mbed_official | 354:e67efb2aab0e | 18 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 354:e67efb2aab0e | 19 | * are permitted provided that the following conditions are met: |
mbed_official | 354:e67efb2aab0e | 20 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 21 | * this list of conditions and the following disclaimer. |
mbed_official | 354:e67efb2aab0e | 22 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 23 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 354:e67efb2aab0e | 24 | * and/or other materials provided with the distribution. |
mbed_official | 354:e67efb2aab0e | 25 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 354:e67efb2aab0e | 26 | * may be used to endorse or promote products derived from this software |
mbed_official | 354:e67efb2aab0e | 27 | * without specific prior written permission. |
mbed_official | 354:e67efb2aab0e | 28 | * |
mbed_official | 354:e67efb2aab0e | 29 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 354:e67efb2aab0e | 30 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 354:e67efb2aab0e | 31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 354:e67efb2aab0e | 32 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 354:e67efb2aab0e | 33 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 354:e67efb2aab0e | 34 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 354:e67efb2aab0e | 35 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 354:e67efb2aab0e | 36 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 354:e67efb2aab0e | 37 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 354:e67efb2aab0e | 38 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 354:e67efb2aab0e | 39 | * |
mbed_official | 354:e67efb2aab0e | 40 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 41 | */ |
mbed_official | 354:e67efb2aab0e | 42 | |
mbed_official | 354:e67efb2aab0e | 43 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 44 | #include "stm32l1xx_hal.h" |
mbed_official | 354:e67efb2aab0e | 45 | |
mbed_official | 354:e67efb2aab0e | 46 | /** @addtogroup STM32L1xx_HAL_Driver |
mbed_official | 354:e67efb2aab0e | 47 | * @{ |
mbed_official | 354:e67efb2aab0e | 48 | */ |
mbed_official | 354:e67efb2aab0e | 49 | |
mbed_official | 354:e67efb2aab0e | 50 | /** @addtogroup SPI |
mbed_official | 354:e67efb2aab0e | 51 | * @{ |
mbed_official | 354:e67efb2aab0e | 52 | */ |
mbed_official | 354:e67efb2aab0e | 53 | #ifdef HAL_SPI_MODULE_ENABLED |
mbed_official | 354:e67efb2aab0e | 54 | |
mbed_official | 354:e67efb2aab0e | 55 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 56 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 57 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 58 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 59 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 60 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 61 | |
mbed_official | 354:e67efb2aab0e | 62 | /** @addtogroup SPI_Exported_Functions |
mbed_official | 354:e67efb2aab0e | 63 | * @{ |
mbed_official | 354:e67efb2aab0e | 64 | */ |
mbed_official | 354:e67efb2aab0e | 65 | |
mbed_official | 354:e67efb2aab0e | 66 | /** @addtogroup SPI_Exported_Functions_Group1 |
mbed_official | 354:e67efb2aab0e | 67 | * |
mbed_official | 354:e67efb2aab0e | 68 | * @{ |
mbed_official | 354:e67efb2aab0e | 69 | */ |
mbed_official | 354:e67efb2aab0e | 70 | |
mbed_official | 354:e67efb2aab0e | 71 | /** |
mbed_official | 354:e67efb2aab0e | 72 | * @brief Initializes the SPI according to the specified parameters |
mbed_official | 354:e67efb2aab0e | 73 | * in the SPI_InitTypeDef and create the associated handle. |
mbed_official | 354:e67efb2aab0e | 74 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 75 | * the configuration information for SPI module. |
mbed_official | 354:e67efb2aab0e | 76 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 77 | */ |
mbed_official | 354:e67efb2aab0e | 78 | HAL_StatusTypeDef HAL_SPI_Init(SPI_HandleTypeDef *hspi) |
mbed_official | 354:e67efb2aab0e | 79 | { |
mbed_official | 354:e67efb2aab0e | 80 | /* Check the SPI handle allocation */ |
mbed_official | 354:e67efb2aab0e | 81 | if(hspi == HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 82 | { |
mbed_official | 354:e67efb2aab0e | 83 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 84 | } |
mbed_official | 354:e67efb2aab0e | 85 | |
mbed_official | 354:e67efb2aab0e | 86 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 87 | assert_param(IS_SPI_ALL_INSTANCE(hspi->Instance)); |
mbed_official | 354:e67efb2aab0e | 88 | assert_param(IS_SPI_MODE(hspi->Init.Mode)); |
mbed_official | 354:e67efb2aab0e | 89 | assert_param(IS_SPI_DIRECTION_MODE(hspi->Init.Direction)); |
mbed_official | 354:e67efb2aab0e | 90 | assert_param(IS_SPI_DATASIZE(hspi->Init.DataSize)); |
mbed_official | 354:e67efb2aab0e | 91 | assert_param(IS_SPI_CPOL(hspi->Init.CLKPolarity)); |
mbed_official | 354:e67efb2aab0e | 92 | assert_param(IS_SPI_CPHA(hspi->Init.CLKPhase)); |
mbed_official | 354:e67efb2aab0e | 93 | assert_param(IS_SPI_NSS(hspi->Init.NSS)); |
mbed_official | 354:e67efb2aab0e | 94 | assert_param(IS_SPI_BAUDRATE_PRESCALER(hspi->Init.BaudRatePrescaler)); |
mbed_official | 354:e67efb2aab0e | 95 | assert_param(IS_SPI_FIRST_BIT(hspi->Init.FirstBit)); |
mbed_official | 354:e67efb2aab0e | 96 | assert_param(IS_SPI_TIMODE(hspi->Init.TIMode)); |
mbed_official | 354:e67efb2aab0e | 97 | assert_param(IS_SPI_CRC_CALCULATION(hspi->Init.CRCCalculation)); |
mbed_official | 354:e67efb2aab0e | 98 | assert_param(IS_SPI_CRC_POLYNOMIAL(hspi->Init.CRCPolynomial)); |
mbed_official | 354:e67efb2aab0e | 99 | |
mbed_official | 354:e67efb2aab0e | 100 | if(hspi->State == HAL_SPI_STATE_RESET) |
mbed_official | 354:e67efb2aab0e | 101 | { |
mbed_official | 354:e67efb2aab0e | 102 | /* Init the low level hardware : GPIO, CLOCK, NVIC... */ |
mbed_official | 354:e67efb2aab0e | 103 | HAL_SPI_MspInit(hspi); |
mbed_official | 354:e67efb2aab0e | 104 | } |
mbed_official | 354:e67efb2aab0e | 105 | |
mbed_official | 354:e67efb2aab0e | 106 | hspi->State = HAL_SPI_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 107 | |
mbed_official | 354:e67efb2aab0e | 108 | /* Disble the selected SPI peripheral */ |
mbed_official | 354:e67efb2aab0e | 109 | __HAL_SPI_DISABLE(hspi); |
mbed_official | 354:e67efb2aab0e | 110 | |
mbed_official | 354:e67efb2aab0e | 111 | /*----------------------- SPIx CR1 & CR2 Configuration ---------------------*/ |
mbed_official | 354:e67efb2aab0e | 112 | /* Configure : SPI Mode, Communication Mode, Data size, Clock polarity and phase, NSS management, |
mbed_official | 354:e67efb2aab0e | 113 | Communication speed, First bit and CRC calculation state */ |
mbed_official | 354:e67efb2aab0e | 114 | hspi->Instance->CR1 = (hspi->Init.Mode | hspi->Init.Direction | hspi->Init.DataSize | |
mbed_official | 354:e67efb2aab0e | 115 | hspi->Init.CLKPolarity | hspi->Init.CLKPhase | (hspi->Init.NSS & SPI_CR1_SSM) | |
mbed_official | 354:e67efb2aab0e | 116 | hspi->Init.BaudRatePrescaler | hspi->Init.FirstBit | hspi->Init.CRCCalculation); |
mbed_official | 354:e67efb2aab0e | 117 | |
mbed_official | 354:e67efb2aab0e | 118 | /* Configure : NSS management */ |
mbed_official | 354:e67efb2aab0e | 119 | hspi->Instance->CR2 = (((hspi->Init.NSS >> 16) & SPI_CR2_SSOE) | hspi->Init.TIMode); |
mbed_official | 354:e67efb2aab0e | 120 | |
mbed_official | 354:e67efb2aab0e | 121 | /*---------------------------- SPIx CRCPOLY Configuration ------------------*/ |
mbed_official | 354:e67efb2aab0e | 122 | /* Configure : CRC Polynomial */ |
mbed_official | 354:e67efb2aab0e | 123 | hspi->Instance->CRCPR = hspi->Init.CRCPolynomial; |
mbed_official | 354:e67efb2aab0e | 124 | |
mbed_official | 354:e67efb2aab0e | 125 | #if defined (STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || defined (STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || defined (STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) |
mbed_official | 354:e67efb2aab0e | 126 | /* Activate the SPI mode (Make sure that I2SMOD bit in I2SCFGR register is reset) */ |
mbed_official | 354:e67efb2aab0e | 127 | CLEAR_BIT(hspi->Instance->I2SCFGR, SPI_I2SCFGR_I2SMOD); |
mbed_official | 354:e67efb2aab0e | 128 | #endif |
mbed_official | 354:e67efb2aab0e | 129 | |
mbed_official | 354:e67efb2aab0e | 130 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 131 | hspi->State = HAL_SPI_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 132 | |
mbed_official | 354:e67efb2aab0e | 133 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 134 | } |
mbed_official | 354:e67efb2aab0e | 135 | |
mbed_official | 354:e67efb2aab0e | 136 | /** |
mbed_official | 354:e67efb2aab0e | 137 | * @} |
mbed_official | 354:e67efb2aab0e | 138 | */ |
mbed_official | 354:e67efb2aab0e | 139 | |
mbed_official | 354:e67efb2aab0e | 140 | /** |
mbed_official | 354:e67efb2aab0e | 141 | * @} |
mbed_official | 354:e67efb2aab0e | 142 | */ |
mbed_official | 354:e67efb2aab0e | 143 | |
mbed_official | 354:e67efb2aab0e | 144 | #endif /* HAL_SPI_MODULE_ENABLED */ |
mbed_official | 354:e67efb2aab0e | 145 | /** |
mbed_official | 354:e67efb2aab0e | 146 | * @} |
mbed_official | 354:e67efb2aab0e | 147 | */ |
mbed_official | 354:e67efb2aab0e | 148 | |
mbed_official | 354:e67efb2aab0e | 149 | /** |
mbed_official | 354:e67efb2aab0e | 150 | * @} |
mbed_official | 354:e67efb2aab0e | 151 | */ |
mbed_official | 354:e67efb2aab0e | 152 | |
mbed_official | 354:e67efb2aab0e | 153 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |