fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_i2s.c@113:b3775bf36a83, 2016-04-19 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Apr 19 11:15:15 2016 +0100
- Revision:
- 113:b3775bf36a83
- Parent:
- 0:9b334a45a8ff
Synchronized with git revision 896981126b34b6d9441e3eea77881c67a1ae3dbd
Full URL: https://github.com/mbedmicro/mbed/commit/896981126b34b6d9441e3eea77881c67a1ae3dbd/
Exporter tool addition for e2 studio
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32l0xx_hal_i2s.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
mbed_official | 113:b3775bf36a83 | 5 | * @version V1.5.0 |
mbed_official | 113:b3775bf36a83 | 6 | * @date 8-January-2016 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief I2S HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the Integrated Interchip Sound (I2S) peripheral: |
bogdanm | 0:9b334a45a8ff | 10 | * + Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 11 | * + IO operation functions |
bogdanm | 0:9b334a45a8ff | 12 | * + Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 13 | @verbatim |
bogdanm | 0:9b334a45a8ff | 14 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 15 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 16 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 17 | [..] |
bogdanm | 0:9b334a45a8ff | 18 | The I2S HAL driver can be used as follow: |
bogdanm | 0:9b334a45a8ff | 19 | |
bogdanm | 0:9b334a45a8ff | 20 | (#) Declare a I2S_HandleTypeDef handle structure. |
bogdanm | 0:9b334a45a8ff | 21 | (#) Initialize the I2S low level resources by implement the HAL_I2S_MspInit() API: |
bogdanm | 0:9b334a45a8ff | 22 | (##) Enable the SPIx interface clock. |
bogdanm | 0:9b334a45a8ff | 23 | (##) I2S pins configuration: |
bogdanm | 0:9b334a45a8ff | 24 | (+++) Enable the clock for the I2S GPIOs. |
bogdanm | 0:9b334a45a8ff | 25 | (+++) Configure these I2S pins as alternate function. |
bogdanm | 0:9b334a45a8ff | 26 | (##) NVIC configuration if you need to use interrupt process (HAL_I2S_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 27 | and HAL_I2S_Receive_IT() APIs). |
bogdanm | 0:9b334a45a8ff | 28 | (+++) Configure the I2Sx interrupt priority. |
bogdanm | 0:9b334a45a8ff | 29 | (+++) Enable the NVIC I2S IRQ handle. |
bogdanm | 0:9b334a45a8ff | 30 | (##) DMA Configuration if you need to use DMA process (HAL_I2S_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 31 | and HAL_I2S_Receive_DMA() APIs: |
bogdanm | 0:9b334a45a8ff | 32 | (+++) Declare a DMA handle structure for the Tx/Rx Channel. |
bogdanm | 0:9b334a45a8ff | 33 | (+++) Enable the DMAx interface clock. |
bogdanm | 0:9b334a45a8ff | 34 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
bogdanm | 0:9b334a45a8ff | 35 | (+++) Configure the DMA Tx/Rx Channel. |
bogdanm | 0:9b334a45a8ff | 36 | (+++) Associate the initilalized DMA handle to the I2S DMA Tx/Rx handle. |
bogdanm | 0:9b334a45a8ff | 37 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the |
bogdanm | 0:9b334a45a8ff | 38 | DMA Tx/Rx Channel. |
bogdanm | 0:9b334a45a8ff | 39 | |
bogdanm | 0:9b334a45a8ff | 40 | (#) Program the Mode, Standard, Data Format, MCLK Output, Audio frequency and Polarity |
bogdanm | 0:9b334a45a8ff | 41 | using HAL_I2S_Init() function. |
bogdanm | 0:9b334a45a8ff | 42 | |
bogdanm | 0:9b334a45a8ff | 43 | -@- The specific I2S interrupts (Transmission complete interrupt, |
bogdanm | 0:9b334a45a8ff | 44 | RXNE interrupt and Error Interrupts) will be managed using the macros |
bogdanm | 0:9b334a45a8ff | 45 | __HAL_I2S_ENABLE_IT() and __HAL_I2S_DISABLE_IT() inside the transmit and receive process. |
bogdanm | 0:9b334a45a8ff | 46 | -@- Make sure that either: |
bogdanm | 0:9b334a45a8ff | 47 | (+@) External clock source is configured after setting correctly |
bogdanm | 0:9b334a45a8ff | 48 | the define constant HSE_VALUE in the stm32l0xx_hal_conf.h file. |
bogdanm | 0:9b334a45a8ff | 49 | |
bogdanm | 0:9b334a45a8ff | 50 | (#) Three mode of operations are available within this driver : |
bogdanm | 0:9b334a45a8ff | 51 | |
bogdanm | 0:9b334a45a8ff | 52 | *** Polling mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 53 | ================================= |
bogdanm | 0:9b334a45a8ff | 54 | [..] |
bogdanm | 0:9b334a45a8ff | 55 | (+) Send an amount of data in blocking mode using HAL_I2S_Transmit() |
bogdanm | 0:9b334a45a8ff | 56 | (+) Receive an amount of data in blocking mode using HAL_I2S_Receive() |
bogdanm | 0:9b334a45a8ff | 57 | |
bogdanm | 0:9b334a45a8ff | 58 | *** Interrupt mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 59 | =================================== |
bogdanm | 0:9b334a45a8ff | 60 | [..] |
bogdanm | 0:9b334a45a8ff | 61 | (+) Send an amount of data in non blocking mode using HAL_I2S_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 62 | (+) At transmission end of half transfer HAL_I2S_TxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 63 | add his own code by customization of function pointer HAL_I2S_TxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 64 | (+) At transmission end of transfer HAL_I2S_TxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 65 | add his own code by customization of function pointer HAL_I2S_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 66 | (+) Receive an amount of data in non blocking mode using HAL_I2S_Receive_IT() |
bogdanm | 0:9b334a45a8ff | 67 | (+) At reception end of half transfer HAL_I2S_RxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 68 | add his own code by customization of function pointer HAL_I2S_RxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 69 | (+) At reception end of transfer HAL_I2S_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 70 | add his own code by customization of function pointer HAL_I2S_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 71 | (+) In case of transfer Error, HAL_I2S_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 72 | add his own code by customization of function pointer HAL_I2S_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 73 | |
bogdanm | 0:9b334a45a8ff | 74 | *** DMA mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 75 | ============================== |
bogdanm | 0:9b334a45a8ff | 76 | [..] |
bogdanm | 0:9b334a45a8ff | 77 | (+) Send an amount of data in non blocking mode (DMA) using HAL_I2S_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 78 | (+) At transmission end of half transfer HAL_I2S_TxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 79 | add his own code by customization of function pointer HAL_I2S_TxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 80 | (+) At transmission end of transfer HAL_I2S_TxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 81 | add his own code by customization of function pointer HAL_I2S_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 82 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_I2S_Receive_DMA() |
bogdanm | 0:9b334a45a8ff | 83 | (+) At reception end of half transfer HAL_I2S_RxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 84 | add his own code by customization of function pointer HAL_I2S_RxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 85 | (+) At reception end of transfer HAL_I2S_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 86 | add his own code by customization of function pointer HAL_I2S_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 87 | (+) In case of transfer Error, HAL_I2S_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 88 | add his own code by customization of function pointer HAL_I2S_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 89 | (+) Pause the DMA Transfer using HAL_I2S_DMAPause() |
bogdanm | 0:9b334a45a8ff | 90 | (+) Resume the DMA Transfer using HAL_I2S_DMAResume() |
bogdanm | 0:9b334a45a8ff | 91 | (+) Stop the DMA Transfer using HAL_I2S_DMAStop() |
bogdanm | 0:9b334a45a8ff | 92 | |
bogdanm | 0:9b334a45a8ff | 93 | *** I2S HAL driver macros list *** |
bogdanm | 0:9b334a45a8ff | 94 | =================================== |
bogdanm | 0:9b334a45a8ff | 95 | [..] |
bogdanm | 0:9b334a45a8ff | 96 | Below the list of most used macros in USART HAL driver. |
bogdanm | 0:9b334a45a8ff | 97 | |
bogdanm | 0:9b334a45a8ff | 98 | (+) __HAL_I2S_ENABLE: Enable the specified SPI peripheral (in I2S mode) |
bogdanm | 0:9b334a45a8ff | 99 | (+) __HAL_I2S_DISABLE: Disable the specified SPI peripheral (in I2S mode) |
bogdanm | 0:9b334a45a8ff | 100 | (+) __HAL_I2S_ENABLE_IT : Enable the specified I2S interrupts |
bogdanm | 0:9b334a45a8ff | 101 | (+) __HAL_I2S_DISABLE_IT : Disable the specified I2S interrupts |
bogdanm | 0:9b334a45a8ff | 102 | (+) __HAL_I2S_GET_FLAG: Check whether the specified I2S flag is set or not |
bogdanm | 0:9b334a45a8ff | 103 | |
bogdanm | 0:9b334a45a8ff | 104 | [..] |
bogdanm | 0:9b334a45a8ff | 105 | (@) You can refer to the I2S HAL driver header file for more useful macros |
bogdanm | 0:9b334a45a8ff | 106 | |
bogdanm | 0:9b334a45a8ff | 107 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 108 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 109 | * @attention |
bogdanm | 0:9b334a45a8ff | 110 | * |
mbed_official | 113:b3775bf36a83 | 111 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 112 | * |
bogdanm | 0:9b334a45a8ff | 113 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 114 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 115 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 116 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 117 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 118 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 119 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 120 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 121 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 122 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 123 | * |
bogdanm | 0:9b334a45a8ff | 124 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 125 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 126 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 127 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 128 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 129 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 130 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 131 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 132 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 133 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 134 | * |
bogdanm | 0:9b334a45a8ff | 135 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 136 | */ |
bogdanm | 0:9b334a45a8ff | 137 | |
mbed_official | 113:b3775bf36a83 | 138 | #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined(STM32L031xx) && !defined(STM32L041xx) |
bogdanm | 0:9b334a45a8ff | 139 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 140 | #include "stm32l0xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 141 | |
bogdanm | 0:9b334a45a8ff | 142 | /** @addtogroup STM32L0xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 143 | * @{ |
bogdanm | 0:9b334a45a8ff | 144 | */ |
bogdanm | 0:9b334a45a8ff | 145 | |
mbed_official | 113:b3775bf36a83 | 146 | #ifdef HAL_I2S_MODULE_ENABLED |
mbed_official | 113:b3775bf36a83 | 147 | |
mbed_official | 113:b3775bf36a83 | 148 | /** @addtogroup I2S I2S |
bogdanm | 0:9b334a45a8ff | 149 | * @brief I2S HAL module driver |
bogdanm | 0:9b334a45a8ff | 150 | * @{ |
bogdanm | 0:9b334a45a8ff | 151 | */ |
bogdanm | 0:9b334a45a8ff | 152 | |
bogdanm | 0:9b334a45a8ff | 153 | |
bogdanm | 0:9b334a45a8ff | 154 | |
bogdanm | 0:9b334a45a8ff | 155 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 156 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 157 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 158 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 159 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 113:b3775bf36a83 | 160 | /** @addtogroup I2S_Private |
bogdanm | 0:9b334a45a8ff | 161 | * @{ |
bogdanm | 0:9b334a45a8ff | 162 | */ |
bogdanm | 0:9b334a45a8ff | 163 | static void I2S_DMATxCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 164 | static void I2S_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 165 | static void I2S_DMARxCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 166 | static void I2S_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 167 | static void I2S_DMAError(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 168 | static void I2S_Transmit_IT(I2S_HandleTypeDef *hi2s); |
bogdanm | 0:9b334a45a8ff | 169 | static void I2S_Receive_IT(I2S_HandleTypeDef *hi2s); |
bogdanm | 0:9b334a45a8ff | 170 | static HAL_StatusTypeDef I2S_WaitFlagStateUntilTimeout(I2S_HandleTypeDef *hi2s, uint32_t Flag, uint32_t Status, uint32_t Timeout); |
bogdanm | 0:9b334a45a8ff | 171 | /** |
bogdanm | 0:9b334a45a8ff | 172 | * @} |
bogdanm | 0:9b334a45a8ff | 173 | */ |
bogdanm | 0:9b334a45a8ff | 174 | |
bogdanm | 0:9b334a45a8ff | 175 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 113:b3775bf36a83 | 176 | /** @addtogroup I2S_Exported_Functions I2S Exported Functions |
bogdanm | 0:9b334a45a8ff | 177 | * @{ |
bogdanm | 0:9b334a45a8ff | 178 | */ |
bogdanm | 0:9b334a45a8ff | 179 | |
mbed_official | 113:b3775bf36a83 | 180 | /** @addtogroup I2S_Exported_Functions_Group1 |
bogdanm | 0:9b334a45a8ff | 181 | * @brief Initialization and Configuration functions |
bogdanm | 0:9b334a45a8ff | 182 | * |
bogdanm | 0:9b334a45a8ff | 183 | @verbatim |
bogdanm | 0:9b334a45a8ff | 184 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 185 | ##### Initialization and de-initialization functions ##### |
bogdanm | 0:9b334a45a8ff | 186 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 187 | [..] This subsection provides a set of functions allowing to initialize and |
bogdanm | 0:9b334a45a8ff | 188 | de-initialiaze the I2Sx peripheral in simplex mode: |
bogdanm | 0:9b334a45a8ff | 189 | |
bogdanm | 0:9b334a45a8ff | 190 | (+) User must Implement HAL_I2S_MspInit() function in which he configures |
bogdanm | 0:9b334a45a8ff | 191 | all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). |
bogdanm | 0:9b334a45a8ff | 192 | |
bogdanm | 0:9b334a45a8ff | 193 | (+) Call the function HAL_I2S_Init() to configure the selected device with |
bogdanm | 0:9b334a45a8ff | 194 | the selected configuration: |
bogdanm | 0:9b334a45a8ff | 195 | (++) Mode |
bogdanm | 0:9b334a45a8ff | 196 | (++) Standard |
bogdanm | 0:9b334a45a8ff | 197 | (++) Data Format |
bogdanm | 0:9b334a45a8ff | 198 | (++) MCLK Output |
bogdanm | 0:9b334a45a8ff | 199 | (++) Audio frequency |
bogdanm | 0:9b334a45a8ff | 200 | (++) Polarity |
bogdanm | 0:9b334a45a8ff | 201 | |
bogdanm | 0:9b334a45a8ff | 202 | (+) Call the function HAL_I2S_DeInit() to restore the default configuration |
bogdanm | 0:9b334a45a8ff | 203 | of the selected I2Sx periperal. |
bogdanm | 0:9b334a45a8ff | 204 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 205 | * @{ |
bogdanm | 0:9b334a45a8ff | 206 | */ |
bogdanm | 0:9b334a45a8ff | 207 | |
bogdanm | 0:9b334a45a8ff | 208 | /** |
bogdanm | 0:9b334a45a8ff | 209 | * @brief Initializes the I2S according to the specified parameters |
bogdanm | 0:9b334a45a8ff | 210 | * in the I2S_InitTypeDef and create the associated handle. |
bogdanm | 0:9b334a45a8ff | 211 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 212 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 213 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 214 | */ |
bogdanm | 0:9b334a45a8ff | 215 | HAL_StatusTypeDef HAL_I2S_Init(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 216 | { |
bogdanm | 0:9b334a45a8ff | 217 | uint32_t i2sdiv = 2, i2sodd = 0, packetlength = 1; |
bogdanm | 0:9b334a45a8ff | 218 | uint32_t tmp = 0, i2sclk = 0, tmpreg = 0; |
bogdanm | 0:9b334a45a8ff | 219 | |
bogdanm | 0:9b334a45a8ff | 220 | /* Check the I2S handle allocation */ |
bogdanm | 0:9b334a45a8ff | 221 | if(hi2s == NULL) |
bogdanm | 0:9b334a45a8ff | 222 | { |
bogdanm | 0:9b334a45a8ff | 223 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 224 | } |
bogdanm | 0:9b334a45a8ff | 225 | |
bogdanm | 0:9b334a45a8ff | 226 | /* Check the I2S parameters */ |
bogdanm | 0:9b334a45a8ff | 227 | assert_param(IS_I2S_ALL_INSTANCE(hi2s->Instance)); |
bogdanm | 0:9b334a45a8ff | 228 | assert_param(IS_I2S_MODE(hi2s->Init.Mode)); |
bogdanm | 0:9b334a45a8ff | 229 | assert_param(IS_I2S_STANDARD(hi2s->Init.Standard)); |
bogdanm | 0:9b334a45a8ff | 230 | assert_param(IS_I2S_DATA_FORMAT(hi2s->Init.DataFormat)); |
bogdanm | 0:9b334a45a8ff | 231 | assert_param(IS_I2S_MCLK_OUTPUT(hi2s->Init.MCLKOutput)); |
bogdanm | 0:9b334a45a8ff | 232 | assert_param(IS_I2S_AUDIO_FREQ(hi2s->Init.AudioFreq)); |
bogdanm | 0:9b334a45a8ff | 233 | assert_param(IS_I2S_CPOL(hi2s->Init.CPOL)); |
bogdanm | 0:9b334a45a8ff | 234 | |
bogdanm | 0:9b334a45a8ff | 235 | if(hi2s->State == HAL_I2S_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 236 | { |
mbed_official | 113:b3775bf36a83 | 237 | /* Allocate lock resource and initialize it */ |
mbed_official | 113:b3775bf36a83 | 238 | hi2s->Lock = HAL_UNLOCKED; |
mbed_official | 113:b3775bf36a83 | 239 | |
bogdanm | 0:9b334a45a8ff | 240 | /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */ |
bogdanm | 0:9b334a45a8ff | 241 | HAL_I2S_MspInit(hi2s); |
bogdanm | 0:9b334a45a8ff | 242 | } |
bogdanm | 0:9b334a45a8ff | 243 | |
bogdanm | 0:9b334a45a8ff | 244 | hi2s->State = HAL_I2S_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 245 | |
bogdanm | 0:9b334a45a8ff | 246 | /* If the default value has to be written, reinitialize i2sdiv and i2sodd*/ |
bogdanm | 0:9b334a45a8ff | 247 | if(hi2s->Init.AudioFreq == I2S_AUDIOFREQ_DEFAULT) |
bogdanm | 0:9b334a45a8ff | 248 | { |
bogdanm | 0:9b334a45a8ff | 249 | i2sodd = (uint32_t)0; |
bogdanm | 0:9b334a45a8ff | 250 | i2sdiv = (uint32_t)2; |
bogdanm | 0:9b334a45a8ff | 251 | } |
bogdanm | 0:9b334a45a8ff | 252 | /* If the requested audio frequency is not the default, compute the prescaler */ |
bogdanm | 0:9b334a45a8ff | 253 | else |
bogdanm | 0:9b334a45a8ff | 254 | { |
bogdanm | 0:9b334a45a8ff | 255 | /* Check the frame length (For the Prescaler computing) *******************/ |
bogdanm | 0:9b334a45a8ff | 256 | if(hi2s->Init.DataFormat == I2S_DATAFORMAT_16B) |
bogdanm | 0:9b334a45a8ff | 257 | { |
bogdanm | 0:9b334a45a8ff | 258 | /* Packet length is 16 bits */ |
bogdanm | 0:9b334a45a8ff | 259 | packetlength = 1; |
bogdanm | 0:9b334a45a8ff | 260 | } |
bogdanm | 0:9b334a45a8ff | 261 | else |
bogdanm | 0:9b334a45a8ff | 262 | { |
bogdanm | 0:9b334a45a8ff | 263 | /* Packet length is 32 bits */ |
bogdanm | 0:9b334a45a8ff | 264 | packetlength = 2; |
bogdanm | 0:9b334a45a8ff | 265 | } |
bogdanm | 0:9b334a45a8ff | 266 | |
bogdanm | 0:9b334a45a8ff | 267 | /* Get the source clock value: based on System Clock value */ |
bogdanm | 0:9b334a45a8ff | 268 | i2sclk = HAL_RCC_GetSysClockFreq(); |
bogdanm | 0:9b334a45a8ff | 269 | |
bogdanm | 0:9b334a45a8ff | 270 | /* Compute the Real divider depending on the MCLK output state, with a floating point */ |
bogdanm | 0:9b334a45a8ff | 271 | if(hi2s->Init.MCLKOutput == I2S_MCLKOUTPUT_ENABLE) |
bogdanm | 0:9b334a45a8ff | 272 | { |
bogdanm | 0:9b334a45a8ff | 273 | /* MCLK output is enabled */ |
bogdanm | 0:9b334a45a8ff | 274 | tmp = (uint32_t)(((((i2sclk / 256) * 10) / hi2s->Init.AudioFreq)) + 5); |
bogdanm | 0:9b334a45a8ff | 275 | } |
bogdanm | 0:9b334a45a8ff | 276 | else |
bogdanm | 0:9b334a45a8ff | 277 | { |
bogdanm | 0:9b334a45a8ff | 278 | /* MCLK output is disabled */ |
bogdanm | 0:9b334a45a8ff | 279 | tmp = (uint32_t)(((((i2sclk / (32 * packetlength)) *10 ) / hi2s->Init.AudioFreq)) + 5); |
bogdanm | 0:9b334a45a8ff | 280 | } |
bogdanm | 0:9b334a45a8ff | 281 | |
bogdanm | 0:9b334a45a8ff | 282 | /* Remove the flatting point */ |
bogdanm | 0:9b334a45a8ff | 283 | tmp = tmp / 10; |
bogdanm | 0:9b334a45a8ff | 284 | |
bogdanm | 0:9b334a45a8ff | 285 | /* Check the parity of the divider */ |
bogdanm | 0:9b334a45a8ff | 286 | i2sodd = (uint32_t)(tmp & (uint32_t)1); |
bogdanm | 0:9b334a45a8ff | 287 | |
bogdanm | 0:9b334a45a8ff | 288 | /* Compute the i2sdiv prescaler */ |
bogdanm | 0:9b334a45a8ff | 289 | i2sdiv = (uint32_t)((tmp - i2sodd) / 2); |
bogdanm | 0:9b334a45a8ff | 290 | |
bogdanm | 0:9b334a45a8ff | 291 | /* Get the Mask for the Odd bit (SPI_I2SPR[8]) register */ |
bogdanm | 0:9b334a45a8ff | 292 | i2sodd = (uint32_t) (i2sodd << 8); |
bogdanm | 0:9b334a45a8ff | 293 | } |
bogdanm | 0:9b334a45a8ff | 294 | |
bogdanm | 0:9b334a45a8ff | 295 | /* Test if the divider is 1 or 0 or greater than 0xFF */ |
bogdanm | 0:9b334a45a8ff | 296 | if((i2sdiv < 2) || (i2sdiv > 0xFF)) |
bogdanm | 0:9b334a45a8ff | 297 | { |
bogdanm | 0:9b334a45a8ff | 298 | /* Set the default values */ |
bogdanm | 0:9b334a45a8ff | 299 | i2sdiv = 2; |
bogdanm | 0:9b334a45a8ff | 300 | i2sodd = 0; |
bogdanm | 0:9b334a45a8ff | 301 | } |
bogdanm | 0:9b334a45a8ff | 302 | |
bogdanm | 0:9b334a45a8ff | 303 | /*----------------------- SPIx I2SCFGR & I2SPR Configuration ----------------*/ |
bogdanm | 0:9b334a45a8ff | 304 | |
bogdanm | 0:9b334a45a8ff | 305 | /* Write to SPIx I2SPR register the computed value */ |
bogdanm | 0:9b334a45a8ff | 306 | hi2s->Instance->I2SPR = (uint32_t)((uint32_t)i2sdiv | (uint32_t)(i2sodd | (uint32_t)hi2s->Init.MCLKOutput)); |
bogdanm | 0:9b334a45a8ff | 307 | |
bogdanm | 0:9b334a45a8ff | 308 | /* Clear I2SMOD, I2SE, I2SCFG, PCMSYNC, I2SSTD, CKPOL, DATLEN and CHLEN bits */ |
bogdanm | 0:9b334a45a8ff | 309 | /* And configure the I2S with the I2S_InitStruct values */ |
bogdanm | 0:9b334a45a8ff | 310 | MODIFY_REG( hi2s->Instance->I2SCFGR, (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN |\ |
bogdanm | 0:9b334a45a8ff | 311 | SPI_I2SCFGR_CKPOL | SPI_I2SCFGR_I2SSTD |\ |
bogdanm | 0:9b334a45a8ff | 312 | SPI_I2SCFGR_PCMSYNC | SPI_I2SCFGR_I2SCFG |\ |
bogdanm | 0:9b334a45a8ff | 313 | SPI_I2SCFGR_I2SE | SPI_I2SCFGR_I2SMOD),\ |
bogdanm | 0:9b334a45a8ff | 314 | (SPI_I2SCFGR_I2SMOD | hi2s->Init.Mode |\ |
bogdanm | 0:9b334a45a8ff | 315 | hi2s->Init.Standard | hi2s->Init.DataFormat |\ |
bogdanm | 0:9b334a45a8ff | 316 | hi2s->Init.CPOL)); |
bogdanm | 0:9b334a45a8ff | 317 | |
bogdanm | 0:9b334a45a8ff | 318 | /* Get the I2SCFGR register value */ |
bogdanm | 0:9b334a45a8ff | 319 | tmpreg = hi2s->Instance->I2SCFGR; |
bogdanm | 0:9b334a45a8ff | 320 | |
bogdanm | 0:9b334a45a8ff | 321 | #if defined(SPI_I2SCFGR_ASTRTEN) |
bogdanm | 0:9b334a45a8ff | 322 | if (hi2s->Init.Standard == I2S_STANDARD_PCM_SHORT) |
bogdanm | 0:9b334a45a8ff | 323 | { |
bogdanm | 0:9b334a45a8ff | 324 | /* Write to SPIx I2SCFGR */ |
bogdanm | 0:9b334a45a8ff | 325 | hi2s->Instance->I2SCFGR = tmpreg | SPI_I2SCFGR_ASTRTEN; |
bogdanm | 0:9b334a45a8ff | 326 | } |
bogdanm | 0:9b334a45a8ff | 327 | else |
bogdanm | 0:9b334a45a8ff | 328 | { |
bogdanm | 0:9b334a45a8ff | 329 | /* Write to SPIx I2SCFGR */ |
bogdanm | 0:9b334a45a8ff | 330 | hi2s->Instance->I2SCFGR = tmpreg; |
bogdanm | 0:9b334a45a8ff | 331 | } |
bogdanm | 0:9b334a45a8ff | 332 | #else |
bogdanm | 0:9b334a45a8ff | 333 | /* Write to SPIx I2SCFGR */ |
bogdanm | 0:9b334a45a8ff | 334 | hi2s->Instance->I2SCFGR = tmpreg; |
bogdanm | 0:9b334a45a8ff | 335 | #endif |
bogdanm | 0:9b334a45a8ff | 336 | |
bogdanm | 0:9b334a45a8ff | 337 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 338 | hi2s->State= HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 339 | |
bogdanm | 0:9b334a45a8ff | 340 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 341 | } |
bogdanm | 0:9b334a45a8ff | 342 | |
bogdanm | 0:9b334a45a8ff | 343 | /** |
bogdanm | 0:9b334a45a8ff | 344 | * @brief DeInitializes the I2S peripheral |
bogdanm | 0:9b334a45a8ff | 345 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 346 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 347 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 348 | */ |
bogdanm | 0:9b334a45a8ff | 349 | HAL_StatusTypeDef HAL_I2S_DeInit(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 350 | { |
bogdanm | 0:9b334a45a8ff | 351 | /* Check the I2S handle allocation */ |
bogdanm | 0:9b334a45a8ff | 352 | if(hi2s == NULL) |
bogdanm | 0:9b334a45a8ff | 353 | { |
bogdanm | 0:9b334a45a8ff | 354 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 355 | } |
bogdanm | 0:9b334a45a8ff | 356 | |
bogdanm | 0:9b334a45a8ff | 357 | hi2s->State = HAL_I2S_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 358 | |
bogdanm | 0:9b334a45a8ff | 359 | /* Disable the I2S Peripheral Clock */ |
bogdanm | 0:9b334a45a8ff | 360 | __HAL_I2S_DISABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 361 | |
bogdanm | 0:9b334a45a8ff | 362 | /* DeInit the low level hardware: GPIO, CLOCK, NVIC... */ |
bogdanm | 0:9b334a45a8ff | 363 | HAL_I2S_MspDeInit(hi2s); |
bogdanm | 0:9b334a45a8ff | 364 | |
bogdanm | 0:9b334a45a8ff | 365 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 366 | hi2s->State = HAL_I2S_STATE_RESET; |
bogdanm | 0:9b334a45a8ff | 367 | |
bogdanm | 0:9b334a45a8ff | 368 | /* Release Lock */ |
bogdanm | 0:9b334a45a8ff | 369 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 370 | |
bogdanm | 0:9b334a45a8ff | 371 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 372 | } |
bogdanm | 0:9b334a45a8ff | 373 | |
bogdanm | 0:9b334a45a8ff | 374 | /** |
bogdanm | 0:9b334a45a8ff | 375 | * @brief I2S MSP Init |
bogdanm | 0:9b334a45a8ff | 376 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 377 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 378 | * @retval None |
bogdanm | 0:9b334a45a8ff | 379 | */ |
bogdanm | 0:9b334a45a8ff | 380 | __weak void HAL_I2S_MspInit(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 381 | { |
mbed_official | 113:b3775bf36a83 | 382 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 383 | UNUSED(hi2s); |
mbed_official | 113:b3775bf36a83 | 384 | |
bogdanm | 0:9b334a45a8ff | 385 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 386 | the HAL_I2S_MspInit could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 387 | */ |
bogdanm | 0:9b334a45a8ff | 388 | } |
bogdanm | 0:9b334a45a8ff | 389 | |
bogdanm | 0:9b334a45a8ff | 390 | /** |
bogdanm | 0:9b334a45a8ff | 391 | * @brief I2S MSP DeInit |
bogdanm | 0:9b334a45a8ff | 392 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 393 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 394 | * @retval None |
bogdanm | 0:9b334a45a8ff | 395 | */ |
bogdanm | 0:9b334a45a8ff | 396 | __weak void HAL_I2S_MspDeInit(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 397 | { |
mbed_official | 113:b3775bf36a83 | 398 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 399 | UNUSED(hi2s); |
mbed_official | 113:b3775bf36a83 | 400 | |
bogdanm | 0:9b334a45a8ff | 401 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 402 | the HAL_I2S_MspDeInit could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 403 | */ |
bogdanm | 0:9b334a45a8ff | 404 | } |
bogdanm | 0:9b334a45a8ff | 405 | |
bogdanm | 0:9b334a45a8ff | 406 | /** |
bogdanm | 0:9b334a45a8ff | 407 | * @} |
bogdanm | 0:9b334a45a8ff | 408 | */ |
bogdanm | 0:9b334a45a8ff | 409 | |
mbed_official | 113:b3775bf36a83 | 410 | /** @addtogroup I2S_Exported_Functions_Group2 |
bogdanm | 0:9b334a45a8ff | 411 | * @brief Data transfers functions |
bogdanm | 0:9b334a45a8ff | 412 | * |
bogdanm | 0:9b334a45a8ff | 413 | @verbatim |
bogdanm | 0:9b334a45a8ff | 414 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 415 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 416 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 417 | [..] |
bogdanm | 0:9b334a45a8ff | 418 | This subsection provides a set of functions allowing to manage the I2S data |
bogdanm | 0:9b334a45a8ff | 419 | transfers. |
bogdanm | 0:9b334a45a8ff | 420 | |
bogdanm | 0:9b334a45a8ff | 421 | (#) There are two modes of transfer: |
bogdanm | 0:9b334a45a8ff | 422 | (++) Blocking mode : The communication is performed in the polling mode. |
bogdanm | 0:9b334a45a8ff | 423 | The status of all data processing is returned by the same function |
bogdanm | 0:9b334a45a8ff | 424 | after finishing transfer. |
bogdanm | 0:9b334a45a8ff | 425 | (++) No-Blocking mode : The communication is performed using Interrupts |
bogdanm | 0:9b334a45a8ff | 426 | or DMA. These functions return the status of the transfer startup. |
bogdanm | 0:9b334a45a8ff | 427 | The end of the data processing will be indicated through the |
bogdanm | 0:9b334a45a8ff | 428 | dedicated I2S IRQ when using Interrupt mode or the DMA IRQ when |
bogdanm | 0:9b334a45a8ff | 429 | using DMA mode. |
bogdanm | 0:9b334a45a8ff | 430 | |
bogdanm | 0:9b334a45a8ff | 431 | (#) Blocking mode functions are : |
bogdanm | 0:9b334a45a8ff | 432 | (++) HAL_I2S_Transmit() |
bogdanm | 0:9b334a45a8ff | 433 | (++) HAL_I2S_Receive() |
bogdanm | 0:9b334a45a8ff | 434 | |
bogdanm | 0:9b334a45a8ff | 435 | (#) No-Blocking mode functions with Interrupt are : |
bogdanm | 0:9b334a45a8ff | 436 | (++) HAL_I2S_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 437 | (++) HAL_I2S_Receive_IT() |
bogdanm | 0:9b334a45a8ff | 438 | |
bogdanm | 0:9b334a45a8ff | 439 | (#) No-Blocking mode functions with DMA are : |
bogdanm | 0:9b334a45a8ff | 440 | (++) HAL_I2S_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 441 | (++) HAL_I2S_Receive_DMA() |
bogdanm | 0:9b334a45a8ff | 442 | |
bogdanm | 0:9b334a45a8ff | 443 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
bogdanm | 0:9b334a45a8ff | 444 | (++) HAL_I2S_TxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 445 | (++) HAL_I2S_RxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 446 | (++) HAL_I2S_ErrorCallback() |
bogdanm | 0:9b334a45a8ff | 447 | |
bogdanm | 0:9b334a45a8ff | 448 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 449 | * @{ |
bogdanm | 0:9b334a45a8ff | 450 | */ |
bogdanm | 0:9b334a45a8ff | 451 | |
bogdanm | 0:9b334a45a8ff | 452 | /** |
bogdanm | 0:9b334a45a8ff | 453 | * @brief Transmit an amount of data in blocking mode |
bogdanm | 0:9b334a45a8ff | 454 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 455 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 456 | * @param pData: a 16-bit pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 457 | * @param Size: number of data sample to be sent: |
bogdanm | 0:9b334a45a8ff | 458 | * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S |
bogdanm | 0:9b334a45a8ff | 459 | * configuration phase, the Size parameter means the number of 16-bit data length |
bogdanm | 0:9b334a45a8ff | 460 | * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected |
bogdanm | 0:9b334a45a8ff | 461 | * the Size parameter means the number of 16-bit data length. |
bogdanm | 0:9b334a45a8ff | 462 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 463 | * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization |
bogdanm | 0:9b334a45a8ff | 464 | * between Master and Slave(example: audio streaming). |
bogdanm | 0:9b334a45a8ff | 465 | * @note This function can use an Audio Frequency up to 48KHz when I2S Clock Source is 32MHz |
bogdanm | 0:9b334a45a8ff | 466 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 467 | */ |
bogdanm | 0:9b334a45a8ff | 468 | HAL_StatusTypeDef HAL_I2S_Transmit(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 469 | { |
bogdanm | 0:9b334a45a8ff | 470 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 471 | { |
bogdanm | 0:9b334a45a8ff | 472 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 473 | } |
bogdanm | 0:9b334a45a8ff | 474 | |
bogdanm | 0:9b334a45a8ff | 475 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 476 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 477 | |
bogdanm | 0:9b334a45a8ff | 478 | if(hi2s->State == HAL_I2S_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 479 | { |
bogdanm | 0:9b334a45a8ff | 480 | if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ |
bogdanm | 0:9b334a45a8ff | 481 | ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) |
bogdanm | 0:9b334a45a8ff | 482 | { |
bogdanm | 0:9b334a45a8ff | 483 | hi2s->TxXferSize = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 484 | hi2s->TxXferCount = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 485 | } |
bogdanm | 0:9b334a45a8ff | 486 | else |
bogdanm | 0:9b334a45a8ff | 487 | { |
bogdanm | 0:9b334a45a8ff | 488 | hi2s->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 489 | hi2s->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 490 | } |
bogdanm | 0:9b334a45a8ff | 491 | |
bogdanm | 0:9b334a45a8ff | 492 | /* Set state and reset error code */ |
bogdanm | 0:9b334a45a8ff | 493 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 494 | hi2s->State = HAL_I2S_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 495 | hi2s->pTxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 496 | |
bogdanm | 0:9b334a45a8ff | 497 | /* Check if the I2S is already enabled */ |
bogdanm | 0:9b334a45a8ff | 498 | if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) |
bogdanm | 0:9b334a45a8ff | 499 | { |
bogdanm | 0:9b334a45a8ff | 500 | /* Enable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 501 | __HAL_I2S_ENABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 502 | } |
bogdanm | 0:9b334a45a8ff | 503 | |
bogdanm | 0:9b334a45a8ff | 504 | while(hi2s->TxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 505 | { |
bogdanm | 0:9b334a45a8ff | 506 | /* Wait until TXE flag is set */ |
bogdanm | 0:9b334a45a8ff | 507 | if (I2S_WaitFlagStateUntilTimeout(hi2s, I2S_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 508 | { |
bogdanm | 0:9b334a45a8ff | 509 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 510 | } |
bogdanm | 0:9b334a45a8ff | 511 | hi2s->Instance->DR = (*hi2s->pTxBuffPtr++); |
bogdanm | 0:9b334a45a8ff | 512 | hi2s->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 513 | } |
bogdanm | 0:9b334a45a8ff | 514 | |
bogdanm | 0:9b334a45a8ff | 515 | /* Wait until TXE flag is set, to confirm the end of the transaction */ |
bogdanm | 0:9b334a45a8ff | 516 | if (I2S_WaitFlagStateUntilTimeout(hi2s, I2S_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 517 | { |
bogdanm | 0:9b334a45a8ff | 518 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 519 | } |
mbed_official | 113:b3775bf36a83 | 520 | |
mbed_official | 113:b3775bf36a83 | 521 | /* Check if Slave mode is selected */ |
mbed_official | 113:b3775bf36a83 | 522 | if(((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX) || ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_RX)) |
mbed_official | 113:b3775bf36a83 | 523 | { |
mbed_official | 113:b3775bf36a83 | 524 | /* Wait until Busy flag is reset */ |
mbed_official | 113:b3775bf36a83 | 525 | if (I2S_WaitFlagStateUntilTimeout(hi2s, I2S_FLAG_BSY, SET, Timeout) != HAL_OK) |
mbed_official | 113:b3775bf36a83 | 526 | { |
mbed_official | 113:b3775bf36a83 | 527 | return HAL_TIMEOUT; |
mbed_official | 113:b3775bf36a83 | 528 | } |
bogdanm | 0:9b334a45a8ff | 529 | } |
bogdanm | 0:9b334a45a8ff | 530 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 531 | |
bogdanm | 0:9b334a45a8ff | 532 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 533 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 534 | |
bogdanm | 0:9b334a45a8ff | 535 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 536 | } |
bogdanm | 0:9b334a45a8ff | 537 | else |
bogdanm | 0:9b334a45a8ff | 538 | { |
bogdanm | 0:9b334a45a8ff | 539 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 540 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 541 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 542 | } |
bogdanm | 0:9b334a45a8ff | 543 | } |
bogdanm | 0:9b334a45a8ff | 544 | |
bogdanm | 0:9b334a45a8ff | 545 | /** |
bogdanm | 0:9b334a45a8ff | 546 | * @brief Receive an amount of data in blocking mode |
bogdanm | 0:9b334a45a8ff | 547 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 548 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 549 | * @param pData: a 16-bit pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 550 | * @param Size: number of data sample to be sent: |
bogdanm | 0:9b334a45a8ff | 551 | * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S |
bogdanm | 0:9b334a45a8ff | 552 | * configuration phase, the Size parameter means the number of 16-bit data length |
bogdanm | 0:9b334a45a8ff | 553 | * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected |
bogdanm | 0:9b334a45a8ff | 554 | * the Size parameter means the number of 16-bit data length. |
bogdanm | 0:9b334a45a8ff | 555 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 556 | * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization |
bogdanm | 0:9b334a45a8ff | 557 | * between Master and Slave(example: audio streaming). |
bogdanm | 0:9b334a45a8ff | 558 | * @note In I2S Master Receiver mode, just after enabling the peripheral the clock will be generate |
bogdanm | 0:9b334a45a8ff | 559 | * in continouse way and as the I2S is not disabled at the end of the I2S transaction. |
bogdanm | 0:9b334a45a8ff | 560 | * @note This function can use an Audio Frequency up to 44KHz when I2S Clock Source is 32MHz |
bogdanm | 0:9b334a45a8ff | 561 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 562 | */ |
bogdanm | 0:9b334a45a8ff | 563 | HAL_StatusTypeDef HAL_I2S_Receive(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 564 | { |
bogdanm | 0:9b334a45a8ff | 565 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 566 | { |
bogdanm | 0:9b334a45a8ff | 567 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 568 | } |
bogdanm | 0:9b334a45a8ff | 569 | |
bogdanm | 0:9b334a45a8ff | 570 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 571 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 572 | |
bogdanm | 0:9b334a45a8ff | 573 | if(hi2s->State == HAL_I2S_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 574 | { |
bogdanm | 0:9b334a45a8ff | 575 | if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ |
bogdanm | 0:9b334a45a8ff | 576 | ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) |
bogdanm | 0:9b334a45a8ff | 577 | { |
bogdanm | 0:9b334a45a8ff | 578 | hi2s->RxXferSize = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 579 | hi2s->RxXferCount = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 580 | } |
bogdanm | 0:9b334a45a8ff | 581 | else |
bogdanm | 0:9b334a45a8ff | 582 | { |
bogdanm | 0:9b334a45a8ff | 583 | hi2s->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 584 | hi2s->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 585 | } |
bogdanm | 0:9b334a45a8ff | 586 | |
bogdanm | 0:9b334a45a8ff | 587 | /* Set state and reset error code */ |
bogdanm | 0:9b334a45a8ff | 588 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 589 | hi2s->State = HAL_I2S_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 590 | hi2s->pRxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 591 | |
bogdanm | 0:9b334a45a8ff | 592 | /* Check if the I2S is already enabled */ |
bogdanm | 0:9b334a45a8ff | 593 | if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) |
bogdanm | 0:9b334a45a8ff | 594 | { |
bogdanm | 0:9b334a45a8ff | 595 | /* Enable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 596 | __HAL_I2S_ENABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 597 | } |
bogdanm | 0:9b334a45a8ff | 598 | |
bogdanm | 0:9b334a45a8ff | 599 | /* Check if Master Receiver mode is selected */ |
bogdanm | 0:9b334a45a8ff | 600 | if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_RX) |
bogdanm | 0:9b334a45a8ff | 601 | { |
bogdanm | 0:9b334a45a8ff | 602 | /* Clear the Overrun Flag by a read operation on the SPI_DR register followed by a read |
bogdanm | 0:9b334a45a8ff | 603 | access to the SPI_SR register. */ |
bogdanm | 0:9b334a45a8ff | 604 | __HAL_I2S_CLEAR_OVRFLAG(hi2s); |
bogdanm | 0:9b334a45a8ff | 605 | } |
bogdanm | 0:9b334a45a8ff | 606 | |
bogdanm | 0:9b334a45a8ff | 607 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 608 | while(hi2s->RxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 609 | { |
bogdanm | 0:9b334a45a8ff | 610 | /* Wait until RXNE flag is set */ |
bogdanm | 0:9b334a45a8ff | 611 | if (I2S_WaitFlagStateUntilTimeout(hi2s, I2S_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 612 | { |
bogdanm | 0:9b334a45a8ff | 613 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 614 | } |
bogdanm | 0:9b334a45a8ff | 615 | |
bogdanm | 0:9b334a45a8ff | 616 | (*hi2s->pRxBuffPtr++) = hi2s->Instance->DR; |
bogdanm | 0:9b334a45a8ff | 617 | hi2s->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 618 | } |
bogdanm | 0:9b334a45a8ff | 619 | |
bogdanm | 0:9b334a45a8ff | 620 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 621 | |
bogdanm | 0:9b334a45a8ff | 622 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 623 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 624 | |
bogdanm | 0:9b334a45a8ff | 625 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 626 | } |
bogdanm | 0:9b334a45a8ff | 627 | else |
bogdanm | 0:9b334a45a8ff | 628 | { |
bogdanm | 0:9b334a45a8ff | 629 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 630 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 631 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 632 | } |
bogdanm | 0:9b334a45a8ff | 633 | } |
bogdanm | 0:9b334a45a8ff | 634 | |
bogdanm | 0:9b334a45a8ff | 635 | /** |
bogdanm | 0:9b334a45a8ff | 636 | * @brief Transmit an amount of data in non-blocking mode with Interrupt |
bogdanm | 0:9b334a45a8ff | 637 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 638 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 639 | * @param pData: a 16-bit pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 640 | * @param Size: number of data sample to be sent: |
bogdanm | 0:9b334a45a8ff | 641 | * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S |
bogdanm | 0:9b334a45a8ff | 642 | * configuration phase, the Size parameter means the number of 16-bit data length |
bogdanm | 0:9b334a45a8ff | 643 | * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected |
bogdanm | 0:9b334a45a8ff | 644 | * the Size parameter means the number of 16-bit data length. |
bogdanm | 0:9b334a45a8ff | 645 | * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization |
bogdanm | 0:9b334a45a8ff | 646 | * between Master and Slave(example: audio streaming). |
bogdanm | 0:9b334a45a8ff | 647 | * @note This function can use an Audio Frequency up to 48KHz when I2S Clock Source is 32MHz |
bogdanm | 0:9b334a45a8ff | 648 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 649 | */ |
bogdanm | 0:9b334a45a8ff | 650 | HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 651 | { |
bogdanm | 0:9b334a45a8ff | 652 | if((pData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 653 | { |
bogdanm | 0:9b334a45a8ff | 654 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 655 | } |
bogdanm | 0:9b334a45a8ff | 656 | |
bogdanm | 0:9b334a45a8ff | 657 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 658 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 659 | |
bogdanm | 0:9b334a45a8ff | 660 | if(hi2s->State == HAL_I2S_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 661 | { |
bogdanm | 0:9b334a45a8ff | 662 | hi2s->pTxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 663 | hi2s->State = HAL_I2S_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 664 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 665 | |
bogdanm | 0:9b334a45a8ff | 666 | if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ |
bogdanm | 0:9b334a45a8ff | 667 | ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) |
bogdanm | 0:9b334a45a8ff | 668 | { |
bogdanm | 0:9b334a45a8ff | 669 | hi2s->TxXferSize = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 670 | hi2s->TxXferCount = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 671 | } |
bogdanm | 0:9b334a45a8ff | 672 | else |
bogdanm | 0:9b334a45a8ff | 673 | { |
bogdanm | 0:9b334a45a8ff | 674 | hi2s->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 675 | hi2s->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 676 | } |
bogdanm | 0:9b334a45a8ff | 677 | |
bogdanm | 0:9b334a45a8ff | 678 | /* Enable TXE and ERR interrupt */ |
bogdanm | 0:9b334a45a8ff | 679 | __HAL_I2S_ENABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 680 | |
bogdanm | 0:9b334a45a8ff | 681 | /* Check if the I2S is already enabled */ |
bogdanm | 0:9b334a45a8ff | 682 | if((hi2s->Instance->I2SCFGR &SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) |
bogdanm | 0:9b334a45a8ff | 683 | { |
bogdanm | 0:9b334a45a8ff | 684 | /* Enable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 685 | __HAL_I2S_ENABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 686 | } |
bogdanm | 0:9b334a45a8ff | 687 | |
bogdanm | 0:9b334a45a8ff | 688 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 689 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 690 | |
bogdanm | 0:9b334a45a8ff | 691 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 692 | } |
bogdanm | 0:9b334a45a8ff | 693 | else |
bogdanm | 0:9b334a45a8ff | 694 | { |
bogdanm | 0:9b334a45a8ff | 695 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 696 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 697 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 698 | } |
bogdanm | 0:9b334a45a8ff | 699 | } |
bogdanm | 0:9b334a45a8ff | 700 | |
bogdanm | 0:9b334a45a8ff | 701 | /** |
bogdanm | 0:9b334a45a8ff | 702 | * @brief Receive an amount of data in non-blocking mode with Interrupt |
bogdanm | 0:9b334a45a8ff | 703 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 704 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 705 | * @param pData: a 16-bit pointer to the Receive data buffer. |
bogdanm | 0:9b334a45a8ff | 706 | * @param Size: number of data sample to be sent: |
bogdanm | 0:9b334a45a8ff | 707 | * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S |
bogdanm | 0:9b334a45a8ff | 708 | * configuration phase, the Size parameter means the number of 16-bit data length |
bogdanm | 0:9b334a45a8ff | 709 | * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected |
bogdanm | 0:9b334a45a8ff | 710 | * the Size parameter means the number of 16-bit data length. |
bogdanm | 0:9b334a45a8ff | 711 | * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization |
bogdanm | 0:9b334a45a8ff | 712 | * between Master and Slave(example: audio streaming). |
bogdanm | 0:9b334a45a8ff | 713 | * @note It is recommended to use DMA for the I2S receiver to avoid de-synchronisation |
bogdanm | 0:9b334a45a8ff | 714 | * between Master and Slave otherwise the I2S interrupt should be optimized. |
bogdanm | 0:9b334a45a8ff | 715 | * @note This function can use an Audio Frequency up to 48KHz when I2S Clock Source is 32MHz |
bogdanm | 0:9b334a45a8ff | 716 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 717 | */ |
bogdanm | 0:9b334a45a8ff | 718 | HAL_StatusTypeDef HAL_I2S_Receive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 719 | { |
bogdanm | 0:9b334a45a8ff | 720 | if((pData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 721 | { |
bogdanm | 0:9b334a45a8ff | 722 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 723 | } |
bogdanm | 0:9b334a45a8ff | 724 | |
bogdanm | 0:9b334a45a8ff | 725 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 726 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 727 | |
bogdanm | 0:9b334a45a8ff | 728 | if(hi2s->State == HAL_I2S_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 729 | { |
bogdanm | 0:9b334a45a8ff | 730 | hi2s->pRxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 731 | hi2s->State = HAL_I2S_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 732 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 733 | |
bogdanm | 0:9b334a45a8ff | 734 | if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ |
bogdanm | 0:9b334a45a8ff | 735 | ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) |
bogdanm | 0:9b334a45a8ff | 736 | { |
bogdanm | 0:9b334a45a8ff | 737 | hi2s->RxXferSize = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 738 | hi2s->RxXferCount = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 739 | } |
bogdanm | 0:9b334a45a8ff | 740 | else |
bogdanm | 0:9b334a45a8ff | 741 | { |
bogdanm | 0:9b334a45a8ff | 742 | hi2s->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 743 | hi2s->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 744 | } |
bogdanm | 0:9b334a45a8ff | 745 | |
bogdanm | 0:9b334a45a8ff | 746 | /* Enable RXNE and ERR interrupt */ |
bogdanm | 0:9b334a45a8ff | 747 | __HAL_I2S_ENABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 748 | |
bogdanm | 0:9b334a45a8ff | 749 | /* Check if the I2S is already enabled */ |
bogdanm | 0:9b334a45a8ff | 750 | if((hi2s->Instance->I2SCFGR &SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) |
bogdanm | 0:9b334a45a8ff | 751 | { |
bogdanm | 0:9b334a45a8ff | 752 | /* Enable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 753 | __HAL_I2S_ENABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 754 | } |
bogdanm | 0:9b334a45a8ff | 755 | |
bogdanm | 0:9b334a45a8ff | 756 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 757 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 758 | |
bogdanm | 0:9b334a45a8ff | 759 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 760 | } |
bogdanm | 0:9b334a45a8ff | 761 | else |
bogdanm | 0:9b334a45a8ff | 762 | { |
bogdanm | 0:9b334a45a8ff | 763 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 764 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 765 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 766 | } |
bogdanm | 0:9b334a45a8ff | 767 | } |
bogdanm | 0:9b334a45a8ff | 768 | |
bogdanm | 0:9b334a45a8ff | 769 | /** |
bogdanm | 0:9b334a45a8ff | 770 | * @brief Transmit an amount of data in non-blocking mode with DMA |
bogdanm | 0:9b334a45a8ff | 771 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 772 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 773 | * @param pData: a 16-bit pointer to the Transmit data buffer. |
bogdanm | 0:9b334a45a8ff | 774 | * @param Size: number of data sample to be sent: |
bogdanm | 0:9b334a45a8ff | 775 | * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S |
bogdanm | 0:9b334a45a8ff | 776 | * configuration phase, the Size parameter means the number of 16-bit data length |
bogdanm | 0:9b334a45a8ff | 777 | * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected |
bogdanm | 0:9b334a45a8ff | 778 | * the Size parameter means the number of 16-bit data length. |
bogdanm | 0:9b334a45a8ff | 779 | * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization |
bogdanm | 0:9b334a45a8ff | 780 | * between Master and Slave(example: audio streaming). |
bogdanm | 0:9b334a45a8ff | 781 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 782 | */ |
bogdanm | 0:9b334a45a8ff | 783 | HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 784 | { |
bogdanm | 0:9b334a45a8ff | 785 | if((pData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 786 | { |
bogdanm | 0:9b334a45a8ff | 787 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 788 | } |
bogdanm | 0:9b334a45a8ff | 789 | |
bogdanm | 0:9b334a45a8ff | 790 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 791 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 792 | |
bogdanm | 0:9b334a45a8ff | 793 | if(hi2s->State == HAL_I2S_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 794 | { |
bogdanm | 0:9b334a45a8ff | 795 | hi2s->pTxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 796 | hi2s->State = HAL_I2S_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 797 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 798 | |
bogdanm | 0:9b334a45a8ff | 799 | if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ |
bogdanm | 0:9b334a45a8ff | 800 | ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) |
bogdanm | 0:9b334a45a8ff | 801 | { |
bogdanm | 0:9b334a45a8ff | 802 | hi2s->TxXferSize = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 803 | hi2s->TxXferCount = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 804 | } |
bogdanm | 0:9b334a45a8ff | 805 | else |
bogdanm | 0:9b334a45a8ff | 806 | { |
bogdanm | 0:9b334a45a8ff | 807 | hi2s->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 808 | hi2s->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 809 | } |
bogdanm | 0:9b334a45a8ff | 810 | |
bogdanm | 0:9b334a45a8ff | 811 | /* Set the I2S Tx DMA Half transfert complete callback */ |
bogdanm | 0:9b334a45a8ff | 812 | hi2s->hdmatx->XferHalfCpltCallback = I2S_DMATxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 813 | |
bogdanm | 0:9b334a45a8ff | 814 | /* Set the I2S Tx DMA transfert complete callback */ |
bogdanm | 0:9b334a45a8ff | 815 | hi2s->hdmatx->XferCpltCallback = I2S_DMATxCplt; |
bogdanm | 0:9b334a45a8ff | 816 | |
bogdanm | 0:9b334a45a8ff | 817 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 818 | hi2s->hdmatx->XferErrorCallback = I2S_DMAError; |
bogdanm | 0:9b334a45a8ff | 819 | |
bogdanm | 0:9b334a45a8ff | 820 | /* Enable the Tx DMA Channel */ |
bogdanm | 0:9b334a45a8ff | 821 | HAL_DMA_Start_IT(hi2s->hdmatx, (uint32_t)hi2s->pTxBuffPtr, (uint32_t)&hi2s->Instance->DR, hi2s->TxXferSize); |
bogdanm | 0:9b334a45a8ff | 822 | |
bogdanm | 0:9b334a45a8ff | 823 | /* Check if the I2S is already enabled */ |
bogdanm | 0:9b334a45a8ff | 824 | if(HAL_IS_BIT_CLR(hi2s->Instance->I2SCFGR, SPI_I2SCFGR_I2SE)) |
bogdanm | 0:9b334a45a8ff | 825 | { |
bogdanm | 0:9b334a45a8ff | 826 | /* Enable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 827 | __HAL_I2S_ENABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 828 | } |
bogdanm | 0:9b334a45a8ff | 829 | |
bogdanm | 0:9b334a45a8ff | 830 | /* Check if the I2S Tx request is already enabled */ |
bogdanm | 0:9b334a45a8ff | 831 | if(HAL_IS_BIT_CLR(hi2s->Instance->CR2, SPI_CR2_TXDMAEN)) |
bogdanm | 0:9b334a45a8ff | 832 | { |
bogdanm | 0:9b334a45a8ff | 833 | /* Enable Tx DMA Request */ |
bogdanm | 0:9b334a45a8ff | 834 | SET_BIT(hi2s->Instance->CR2, SPI_CR2_TXDMAEN); |
bogdanm | 0:9b334a45a8ff | 835 | } |
bogdanm | 0:9b334a45a8ff | 836 | |
bogdanm | 0:9b334a45a8ff | 837 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 838 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 839 | |
bogdanm | 0:9b334a45a8ff | 840 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 841 | } |
bogdanm | 0:9b334a45a8ff | 842 | else |
bogdanm | 0:9b334a45a8ff | 843 | { |
bogdanm | 0:9b334a45a8ff | 844 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 845 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 846 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 847 | } |
bogdanm | 0:9b334a45a8ff | 848 | } |
bogdanm | 0:9b334a45a8ff | 849 | |
bogdanm | 0:9b334a45a8ff | 850 | /** |
bogdanm | 0:9b334a45a8ff | 851 | * @brief Receive an amount of data in non-blocking mode with DMA |
bogdanm | 0:9b334a45a8ff | 852 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 853 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 854 | * @param pData: a 16-bit pointer to the Receive data buffer. |
bogdanm | 0:9b334a45a8ff | 855 | * @param Size: number of data sample to be sent: |
bogdanm | 0:9b334a45a8ff | 856 | * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S |
bogdanm | 0:9b334a45a8ff | 857 | * configuration phase, the Size parameter means the number of 16-bit data length |
bogdanm | 0:9b334a45a8ff | 858 | * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected |
bogdanm | 0:9b334a45a8ff | 859 | * the Size parameter means the number of 16-bit data length. |
bogdanm | 0:9b334a45a8ff | 860 | * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization |
bogdanm | 0:9b334a45a8ff | 861 | * between Master and Slave(example: audio streaming). |
bogdanm | 0:9b334a45a8ff | 862 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 863 | */ |
bogdanm | 0:9b334a45a8ff | 864 | HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 865 | { |
bogdanm | 0:9b334a45a8ff | 866 | if((pData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 867 | { |
bogdanm | 0:9b334a45a8ff | 868 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 869 | } |
bogdanm | 0:9b334a45a8ff | 870 | |
bogdanm | 0:9b334a45a8ff | 871 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 872 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 873 | |
bogdanm | 0:9b334a45a8ff | 874 | if(hi2s->State == HAL_I2S_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 875 | { |
bogdanm | 0:9b334a45a8ff | 876 | hi2s->pRxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 877 | hi2s->State = HAL_I2S_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 878 | hi2s->ErrorCode = HAL_I2S_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 879 | |
bogdanm | 0:9b334a45a8ff | 880 | if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ |
bogdanm | 0:9b334a45a8ff | 881 | ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) |
bogdanm | 0:9b334a45a8ff | 882 | { |
bogdanm | 0:9b334a45a8ff | 883 | hi2s->RxXferSize = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 884 | hi2s->RxXferCount = (Size << 1); |
bogdanm | 0:9b334a45a8ff | 885 | } |
bogdanm | 0:9b334a45a8ff | 886 | else |
bogdanm | 0:9b334a45a8ff | 887 | { |
bogdanm | 0:9b334a45a8ff | 888 | hi2s->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 889 | hi2s->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 890 | } |
bogdanm | 0:9b334a45a8ff | 891 | |
bogdanm | 0:9b334a45a8ff | 892 | |
bogdanm | 0:9b334a45a8ff | 893 | /* Set the I2S Rx DMA Half transfert complete callback */ |
bogdanm | 0:9b334a45a8ff | 894 | hi2s->hdmarx->XferHalfCpltCallback = I2S_DMARxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 895 | |
bogdanm | 0:9b334a45a8ff | 896 | /* Set the I2S Rx DMA transfert complete callback */ |
bogdanm | 0:9b334a45a8ff | 897 | hi2s->hdmarx->XferCpltCallback = I2S_DMARxCplt; |
bogdanm | 0:9b334a45a8ff | 898 | |
bogdanm | 0:9b334a45a8ff | 899 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 900 | hi2s->hdmarx->XferErrorCallback = I2S_DMAError; |
bogdanm | 0:9b334a45a8ff | 901 | |
bogdanm | 0:9b334a45a8ff | 902 | /* Check if Master Receiver mode is selected */ |
bogdanm | 0:9b334a45a8ff | 903 | if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_RX) |
bogdanm | 0:9b334a45a8ff | 904 | { |
bogdanm | 0:9b334a45a8ff | 905 | /* Clear the Overrun Flag by a read operation to the SPI_DR register followed by a read |
bogdanm | 0:9b334a45a8ff | 906 | access to the SPI_SR register. */ |
bogdanm | 0:9b334a45a8ff | 907 | __HAL_I2S_CLEAR_OVRFLAG(hi2s); |
bogdanm | 0:9b334a45a8ff | 908 | } |
bogdanm | 0:9b334a45a8ff | 909 | |
bogdanm | 0:9b334a45a8ff | 910 | /* Enable the Rx DMA Channel */ |
bogdanm | 0:9b334a45a8ff | 911 | HAL_DMA_Start_IT(hi2s->hdmarx, (uint32_t)&hi2s->Instance->DR, (uint32_t)hi2s->pRxBuffPtr, hi2s->RxXferSize); |
bogdanm | 0:9b334a45a8ff | 912 | |
bogdanm | 0:9b334a45a8ff | 913 | /* Check if the I2S is already enabled */ |
bogdanm | 0:9b334a45a8ff | 914 | if(HAL_IS_BIT_CLR(hi2s->Instance->I2SCFGR, SPI_I2SCFGR_I2SE)) |
bogdanm | 0:9b334a45a8ff | 915 | { |
bogdanm | 0:9b334a45a8ff | 916 | /* Enable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 917 | __HAL_I2S_ENABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 918 | } |
bogdanm | 0:9b334a45a8ff | 919 | |
bogdanm | 0:9b334a45a8ff | 920 | /* Check if the I2S Rx request is already enabled */ |
bogdanm | 0:9b334a45a8ff | 921 | if(HAL_IS_BIT_CLR(hi2s->Instance->CR2, SPI_CR2_RXDMAEN)) |
bogdanm | 0:9b334a45a8ff | 922 | { |
bogdanm | 0:9b334a45a8ff | 923 | /* Enable Rx DMA Request */ |
bogdanm | 0:9b334a45a8ff | 924 | SET_BIT(hi2s->Instance->CR2, SPI_CR2_RXDMAEN); |
bogdanm | 0:9b334a45a8ff | 925 | } |
bogdanm | 0:9b334a45a8ff | 926 | |
bogdanm | 0:9b334a45a8ff | 927 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 928 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 929 | |
bogdanm | 0:9b334a45a8ff | 930 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 931 | } |
bogdanm | 0:9b334a45a8ff | 932 | else |
bogdanm | 0:9b334a45a8ff | 933 | { |
bogdanm | 0:9b334a45a8ff | 934 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 935 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 936 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 937 | } |
bogdanm | 0:9b334a45a8ff | 938 | } |
bogdanm | 0:9b334a45a8ff | 939 | |
bogdanm | 0:9b334a45a8ff | 940 | /** |
bogdanm | 0:9b334a45a8ff | 941 | * @brief Pauses the audio stream playing from the Media. |
bogdanm | 0:9b334a45a8ff | 942 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 943 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 944 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 945 | */ |
bogdanm | 0:9b334a45a8ff | 946 | HAL_StatusTypeDef HAL_I2S_DMAPause(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 947 | { |
bogdanm | 0:9b334a45a8ff | 948 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 949 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 950 | |
bogdanm | 0:9b334a45a8ff | 951 | if(hi2s->State == HAL_I2S_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 952 | { |
bogdanm | 0:9b334a45a8ff | 953 | /* Disable the I2S DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 954 | CLEAR_BIT(hi2s->Instance->CR2, SPI_CR2_TXDMAEN); |
bogdanm | 0:9b334a45a8ff | 955 | } |
bogdanm | 0:9b334a45a8ff | 956 | else if(hi2s->State == HAL_I2S_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 957 | { |
bogdanm | 0:9b334a45a8ff | 958 | /* Disable the I2S DMA Rx request */ |
bogdanm | 0:9b334a45a8ff | 959 | CLEAR_BIT(hi2s->Instance->CR2, SPI_CR2_RXDMAEN); |
bogdanm | 0:9b334a45a8ff | 960 | } |
bogdanm | 0:9b334a45a8ff | 961 | |
bogdanm | 0:9b334a45a8ff | 962 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 963 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 964 | |
bogdanm | 0:9b334a45a8ff | 965 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 966 | } |
bogdanm | 0:9b334a45a8ff | 967 | |
bogdanm | 0:9b334a45a8ff | 968 | /** |
bogdanm | 0:9b334a45a8ff | 969 | * @brief Resumes the audio stream playing from the Media. |
bogdanm | 0:9b334a45a8ff | 970 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 971 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 972 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 973 | */ |
bogdanm | 0:9b334a45a8ff | 974 | HAL_StatusTypeDef HAL_I2S_DMAResume(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 975 | { |
bogdanm | 0:9b334a45a8ff | 976 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 977 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 978 | |
bogdanm | 0:9b334a45a8ff | 979 | if(hi2s->State == HAL_I2S_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 980 | { |
bogdanm | 0:9b334a45a8ff | 981 | /* Enable the I2S DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 982 | SET_BIT(hi2s->Instance->CR2, SPI_CR2_TXDMAEN); |
bogdanm | 0:9b334a45a8ff | 983 | } |
bogdanm | 0:9b334a45a8ff | 984 | else if(hi2s->State == HAL_I2S_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 985 | { |
bogdanm | 0:9b334a45a8ff | 986 | /* Enable the I2S DMA Rx request */ |
bogdanm | 0:9b334a45a8ff | 987 | SET_BIT(hi2s->Instance->CR2, SPI_CR2_RXDMAEN); |
bogdanm | 0:9b334a45a8ff | 988 | } |
bogdanm | 0:9b334a45a8ff | 989 | |
bogdanm | 0:9b334a45a8ff | 990 | /* If the I2S peripheral is still not enabled, enable it */ |
bogdanm | 0:9b334a45a8ff | 991 | if(HAL_IS_BIT_CLR(hi2s->Instance->I2SCFGR, SPI_I2SCFGR_I2SE)) |
bogdanm | 0:9b334a45a8ff | 992 | { |
bogdanm | 0:9b334a45a8ff | 993 | /* Enable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 994 | __HAL_I2S_ENABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 995 | } |
bogdanm | 0:9b334a45a8ff | 996 | |
bogdanm | 0:9b334a45a8ff | 997 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 998 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 999 | |
bogdanm | 0:9b334a45a8ff | 1000 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1001 | } |
bogdanm | 0:9b334a45a8ff | 1002 | |
bogdanm | 0:9b334a45a8ff | 1003 | /** |
bogdanm | 0:9b334a45a8ff | 1004 | * @brief Stops the audio stream playing from the Media. |
bogdanm | 0:9b334a45a8ff | 1005 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1006 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1007 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1008 | */ |
bogdanm | 0:9b334a45a8ff | 1009 | HAL_StatusTypeDef HAL_I2S_DMAStop(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1010 | { |
bogdanm | 0:9b334a45a8ff | 1011 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1012 | __HAL_LOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 1013 | |
bogdanm | 0:9b334a45a8ff | 1014 | /* Disable the I2S Tx/Rx DMA requests */ |
bogdanm | 0:9b334a45a8ff | 1015 | CLEAR_BIT(hi2s->Instance->CR2, SPI_CR2_TXDMAEN); |
bogdanm | 0:9b334a45a8ff | 1016 | CLEAR_BIT(hi2s->Instance->CR2, SPI_CR2_RXDMAEN); |
bogdanm | 0:9b334a45a8ff | 1017 | |
bogdanm | 0:9b334a45a8ff | 1018 | /* Abort the I2S DMA Channel tx */ |
bogdanm | 0:9b334a45a8ff | 1019 | if(hi2s->hdmatx != NULL) |
bogdanm | 0:9b334a45a8ff | 1020 | { |
bogdanm | 0:9b334a45a8ff | 1021 | /* Disable the I2S DMA channel */ |
bogdanm | 0:9b334a45a8ff | 1022 | __HAL_DMA_DISABLE(hi2s->hdmatx); |
bogdanm | 0:9b334a45a8ff | 1023 | HAL_DMA_Abort(hi2s->hdmatx); |
bogdanm | 0:9b334a45a8ff | 1024 | } |
bogdanm | 0:9b334a45a8ff | 1025 | /* Abort the I2S DMA Channel rx */ |
bogdanm | 0:9b334a45a8ff | 1026 | if(hi2s->hdmarx != NULL) |
bogdanm | 0:9b334a45a8ff | 1027 | { |
bogdanm | 0:9b334a45a8ff | 1028 | /* Disable the I2S DMA channel */ |
bogdanm | 0:9b334a45a8ff | 1029 | __HAL_DMA_DISABLE(hi2s->hdmarx); |
bogdanm | 0:9b334a45a8ff | 1030 | HAL_DMA_Abort(hi2s->hdmarx); |
bogdanm | 0:9b334a45a8ff | 1031 | } |
bogdanm | 0:9b334a45a8ff | 1032 | |
bogdanm | 0:9b334a45a8ff | 1033 | /* Disable I2S peripheral */ |
bogdanm | 0:9b334a45a8ff | 1034 | __HAL_I2S_DISABLE(hi2s); |
bogdanm | 0:9b334a45a8ff | 1035 | |
bogdanm | 0:9b334a45a8ff | 1036 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1037 | |
bogdanm | 0:9b334a45a8ff | 1038 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1039 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 1040 | |
bogdanm | 0:9b334a45a8ff | 1041 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1042 | } |
bogdanm | 0:9b334a45a8ff | 1043 | |
bogdanm | 0:9b334a45a8ff | 1044 | /** |
bogdanm | 0:9b334a45a8ff | 1045 | * @brief This function handles I2S interrupt request. |
bogdanm | 0:9b334a45a8ff | 1046 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1047 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1048 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1049 | */ |
bogdanm | 0:9b334a45a8ff | 1050 | void HAL_I2S_IRQHandler(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1051 | { |
bogdanm | 0:9b334a45a8ff | 1052 | uint32_t i2ssr = hi2s->Instance->SR; |
bogdanm | 0:9b334a45a8ff | 1053 | |
bogdanm | 0:9b334a45a8ff | 1054 | /* I2S in mode Receiver ------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1055 | if(((i2ssr & I2S_FLAG_OVR) != I2S_FLAG_OVR) && |
bogdanm | 0:9b334a45a8ff | 1056 | ((i2ssr & I2S_FLAG_RXNE) == I2S_FLAG_RXNE) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_RXNE) != RESET)) |
bogdanm | 0:9b334a45a8ff | 1057 | { |
bogdanm | 0:9b334a45a8ff | 1058 | I2S_Receive_IT(hi2s); |
bogdanm | 0:9b334a45a8ff | 1059 | return; |
bogdanm | 0:9b334a45a8ff | 1060 | } |
bogdanm | 0:9b334a45a8ff | 1061 | |
bogdanm | 0:9b334a45a8ff | 1062 | /* I2S in mode Tramitter -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1063 | if(((i2ssr & I2S_FLAG_TXE) == I2S_FLAG_TXE) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_TXE) != RESET)) |
bogdanm | 0:9b334a45a8ff | 1064 | { |
bogdanm | 0:9b334a45a8ff | 1065 | I2S_Transmit_IT(hi2s); |
bogdanm | 0:9b334a45a8ff | 1066 | return; |
bogdanm | 0:9b334a45a8ff | 1067 | } |
bogdanm | 0:9b334a45a8ff | 1068 | |
bogdanm | 0:9b334a45a8ff | 1069 | /* I2S interrupt error -------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1070 | if(__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_ERR) != RESET) |
bogdanm | 0:9b334a45a8ff | 1071 | { |
bogdanm | 0:9b334a45a8ff | 1072 | /* I2S Overrun error interrupt occured ---------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1073 | if((i2ssr & I2S_FLAG_OVR) == I2S_FLAG_OVR) |
bogdanm | 0:9b334a45a8ff | 1074 | { |
bogdanm | 0:9b334a45a8ff | 1075 | /* Disable RXNE and ERR interrupt */ |
bogdanm | 0:9b334a45a8ff | 1076 | __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 1077 | |
bogdanm | 0:9b334a45a8ff | 1078 | /* Set the error code and execute error callback*/ |
bogdanm | 0:9b334a45a8ff | 1079 | SET_BIT(hi2s->ErrorCode, HAL_I2S_ERROR_OVR); |
bogdanm | 0:9b334a45a8ff | 1080 | } |
bogdanm | 0:9b334a45a8ff | 1081 | |
bogdanm | 0:9b334a45a8ff | 1082 | /* I2S Underrun error interrupt occured --------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1083 | if((i2ssr & I2S_FLAG_UDR) == I2S_FLAG_UDR) |
bogdanm | 0:9b334a45a8ff | 1084 | { |
bogdanm | 0:9b334a45a8ff | 1085 | /* Disable TXE and ERR interrupt */ |
bogdanm | 0:9b334a45a8ff | 1086 | __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 1087 | |
bogdanm | 0:9b334a45a8ff | 1088 | /* Set the error code and execute error callback*/ |
bogdanm | 0:9b334a45a8ff | 1089 | SET_BIT(hi2s->ErrorCode, HAL_I2S_ERROR_UDR); |
bogdanm | 0:9b334a45a8ff | 1090 | } |
bogdanm | 0:9b334a45a8ff | 1091 | |
bogdanm | 0:9b334a45a8ff | 1092 | /* Set the I2S State ready */ |
bogdanm | 0:9b334a45a8ff | 1093 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1094 | /* Call the Error Callback */ |
bogdanm | 0:9b334a45a8ff | 1095 | HAL_I2S_ErrorCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1096 | } |
bogdanm | 0:9b334a45a8ff | 1097 | } |
bogdanm | 0:9b334a45a8ff | 1098 | |
bogdanm | 0:9b334a45a8ff | 1099 | /** |
bogdanm | 0:9b334a45a8ff | 1100 | * @brief Tx Transfer Half completed callbacks |
bogdanm | 0:9b334a45a8ff | 1101 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1102 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1103 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1104 | */ |
bogdanm | 0:9b334a45a8ff | 1105 | __weak void HAL_I2S_TxHalfCpltCallback(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1106 | { |
mbed_official | 113:b3775bf36a83 | 1107 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 1108 | UNUSED(hi2s); |
mbed_official | 113:b3775bf36a83 | 1109 | |
bogdanm | 0:9b334a45a8ff | 1110 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1111 | the HAL_I2S_TxHalfCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1112 | */ |
bogdanm | 0:9b334a45a8ff | 1113 | } |
bogdanm | 0:9b334a45a8ff | 1114 | |
bogdanm | 0:9b334a45a8ff | 1115 | /** |
bogdanm | 0:9b334a45a8ff | 1116 | * @brief Tx Transfer completed callbacks |
bogdanm | 0:9b334a45a8ff | 1117 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1118 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1119 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1120 | */ |
bogdanm | 0:9b334a45a8ff | 1121 | __weak void HAL_I2S_TxCpltCallback(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1122 | { |
mbed_official | 113:b3775bf36a83 | 1123 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 1124 | UNUSED(hi2s); |
mbed_official | 113:b3775bf36a83 | 1125 | |
bogdanm | 0:9b334a45a8ff | 1126 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1127 | the HAL_I2S_TxCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1128 | */ |
bogdanm | 0:9b334a45a8ff | 1129 | } |
bogdanm | 0:9b334a45a8ff | 1130 | |
bogdanm | 0:9b334a45a8ff | 1131 | /** |
bogdanm | 0:9b334a45a8ff | 1132 | * @brief Rx Transfer half completed callbacks |
bogdanm | 0:9b334a45a8ff | 1133 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1134 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1135 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1136 | */ |
bogdanm | 0:9b334a45a8ff | 1137 | __weak void HAL_I2S_RxHalfCpltCallback(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1138 | { |
mbed_official | 113:b3775bf36a83 | 1139 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 1140 | UNUSED(hi2s); |
mbed_official | 113:b3775bf36a83 | 1141 | |
bogdanm | 0:9b334a45a8ff | 1142 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1143 | the HAL_I2S_RxHalfCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1144 | */ |
bogdanm | 0:9b334a45a8ff | 1145 | } |
bogdanm | 0:9b334a45a8ff | 1146 | |
bogdanm | 0:9b334a45a8ff | 1147 | /** |
bogdanm | 0:9b334a45a8ff | 1148 | * @brief Rx Transfer completed callbacks |
bogdanm | 0:9b334a45a8ff | 1149 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1150 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1151 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1152 | */ |
bogdanm | 0:9b334a45a8ff | 1153 | __weak void HAL_I2S_RxCpltCallback(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1154 | { |
mbed_official | 113:b3775bf36a83 | 1155 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 1156 | UNUSED(hi2s); |
mbed_official | 113:b3775bf36a83 | 1157 | |
bogdanm | 0:9b334a45a8ff | 1158 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1159 | the HAL_I2S_RxCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1160 | */ |
bogdanm | 0:9b334a45a8ff | 1161 | } |
bogdanm | 0:9b334a45a8ff | 1162 | |
bogdanm | 0:9b334a45a8ff | 1163 | /** |
bogdanm | 0:9b334a45a8ff | 1164 | * @brief I2S error callbacks |
bogdanm | 0:9b334a45a8ff | 1165 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1166 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1167 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1168 | */ |
bogdanm | 0:9b334a45a8ff | 1169 | __weak void HAL_I2S_ErrorCallback(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1170 | { |
mbed_official | 113:b3775bf36a83 | 1171 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 1172 | UNUSED(hi2s); |
mbed_official | 113:b3775bf36a83 | 1173 | |
bogdanm | 0:9b334a45a8ff | 1174 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1175 | the HAL_I2S_ErrorCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1176 | */ |
bogdanm | 0:9b334a45a8ff | 1177 | } |
bogdanm | 0:9b334a45a8ff | 1178 | |
bogdanm | 0:9b334a45a8ff | 1179 | /** |
bogdanm | 0:9b334a45a8ff | 1180 | * @} |
bogdanm | 0:9b334a45a8ff | 1181 | */ |
bogdanm | 0:9b334a45a8ff | 1182 | |
mbed_official | 113:b3775bf36a83 | 1183 | /** @addtogroup I2S_Exported_Functions_Group3 |
bogdanm | 0:9b334a45a8ff | 1184 | * @brief Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 1185 | * |
bogdanm | 0:9b334a45a8ff | 1186 | @verbatim |
bogdanm | 0:9b334a45a8ff | 1187 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 1188 | ##### Peripheral State and Errors functions ##### |
bogdanm | 0:9b334a45a8ff | 1189 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 1190 | [..] |
bogdanm | 0:9b334a45a8ff | 1191 | This subsection permits to get in run-time the status of the peripheral |
bogdanm | 0:9b334a45a8ff | 1192 | and the data flow. |
bogdanm | 0:9b334a45a8ff | 1193 | |
bogdanm | 0:9b334a45a8ff | 1194 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 1195 | * @{ |
bogdanm | 0:9b334a45a8ff | 1196 | */ |
bogdanm | 0:9b334a45a8ff | 1197 | |
bogdanm | 0:9b334a45a8ff | 1198 | /** |
bogdanm | 0:9b334a45a8ff | 1199 | * @brief Return the I2S state |
bogdanm | 0:9b334a45a8ff | 1200 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1201 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1202 | * @retval HAL state |
bogdanm | 0:9b334a45a8ff | 1203 | */ |
bogdanm | 0:9b334a45a8ff | 1204 | HAL_I2S_StateTypeDef HAL_I2S_GetState(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1205 | { |
bogdanm | 0:9b334a45a8ff | 1206 | return hi2s->State; |
bogdanm | 0:9b334a45a8ff | 1207 | } |
bogdanm | 0:9b334a45a8ff | 1208 | |
bogdanm | 0:9b334a45a8ff | 1209 | /** |
bogdanm | 0:9b334a45a8ff | 1210 | * @brief Return the I2S error code |
bogdanm | 0:9b334a45a8ff | 1211 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1212 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1213 | * @retval I2S Error Code |
bogdanm | 0:9b334a45a8ff | 1214 | */ |
bogdanm | 0:9b334a45a8ff | 1215 | uint32_t HAL_I2S_GetError(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1216 | { |
bogdanm | 0:9b334a45a8ff | 1217 | return hi2s->ErrorCode; |
bogdanm | 0:9b334a45a8ff | 1218 | } |
bogdanm | 0:9b334a45a8ff | 1219 | /** |
bogdanm | 0:9b334a45a8ff | 1220 | * @} |
bogdanm | 0:9b334a45a8ff | 1221 | */ |
bogdanm | 0:9b334a45a8ff | 1222 | |
bogdanm | 0:9b334a45a8ff | 1223 | /** |
bogdanm | 0:9b334a45a8ff | 1224 | * @} |
bogdanm | 0:9b334a45a8ff | 1225 | */ |
bogdanm | 0:9b334a45a8ff | 1226 | |
bogdanm | 0:9b334a45a8ff | 1227 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 113:b3775bf36a83 | 1228 | /** @addtogroup I2S_Private |
bogdanm | 0:9b334a45a8ff | 1229 | * @{ |
bogdanm | 0:9b334a45a8ff | 1230 | */ |
bogdanm | 0:9b334a45a8ff | 1231 | /** |
bogdanm | 0:9b334a45a8ff | 1232 | * @brief DMA I2S transmit process complete callback |
bogdanm | 0:9b334a45a8ff | 1233 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1234 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1235 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1236 | */ |
bogdanm | 0:9b334a45a8ff | 1237 | static void I2S_DMATxCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1238 | { |
bogdanm | 0:9b334a45a8ff | 1239 | I2S_HandleTypeDef* hi2s = (I2S_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1240 | |
bogdanm | 0:9b334a45a8ff | 1241 | if(HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC)) |
bogdanm | 0:9b334a45a8ff | 1242 | { |
bogdanm | 0:9b334a45a8ff | 1243 | /* Disable Tx DMA Request */ |
bogdanm | 0:9b334a45a8ff | 1244 | CLEAR_BIT(hi2s->Instance->CR2, SPI_CR2_TXDMAEN); |
bogdanm | 0:9b334a45a8ff | 1245 | |
bogdanm | 0:9b334a45a8ff | 1246 | hi2s->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1247 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1248 | } |
bogdanm | 0:9b334a45a8ff | 1249 | HAL_I2S_TxCpltCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1250 | } |
bogdanm | 0:9b334a45a8ff | 1251 | |
bogdanm | 0:9b334a45a8ff | 1252 | /** |
bogdanm | 0:9b334a45a8ff | 1253 | * @brief DMA I2S transmit process half complete callback |
bogdanm | 0:9b334a45a8ff | 1254 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1255 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1256 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1257 | */ |
bogdanm | 0:9b334a45a8ff | 1258 | static void I2S_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1259 | { |
bogdanm | 0:9b334a45a8ff | 1260 | I2S_HandleTypeDef* hi2s = (I2S_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1261 | |
bogdanm | 0:9b334a45a8ff | 1262 | HAL_I2S_TxHalfCpltCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1263 | } |
bogdanm | 0:9b334a45a8ff | 1264 | |
bogdanm | 0:9b334a45a8ff | 1265 | /** |
bogdanm | 0:9b334a45a8ff | 1266 | * @brief DMA I2S receive process complete callback |
bogdanm | 0:9b334a45a8ff | 1267 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1268 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1269 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1270 | */ |
bogdanm | 0:9b334a45a8ff | 1271 | static void I2S_DMARxCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1272 | { |
bogdanm | 0:9b334a45a8ff | 1273 | I2S_HandleTypeDef* hi2s = (I2S_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1274 | |
bogdanm | 0:9b334a45a8ff | 1275 | if(HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC)) |
bogdanm | 0:9b334a45a8ff | 1276 | { |
bogdanm | 0:9b334a45a8ff | 1277 | /* Disable Rx DMA Request */ |
bogdanm | 0:9b334a45a8ff | 1278 | CLEAR_BIT(hi2s->Instance->CR2, SPI_CR2_RXDMAEN); |
bogdanm | 0:9b334a45a8ff | 1279 | hi2s->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1280 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1281 | } |
bogdanm | 0:9b334a45a8ff | 1282 | HAL_I2S_RxCpltCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1283 | } |
bogdanm | 0:9b334a45a8ff | 1284 | |
bogdanm | 0:9b334a45a8ff | 1285 | /** |
bogdanm | 0:9b334a45a8ff | 1286 | * @brief DMA I2S receive process half complete callback |
bogdanm | 0:9b334a45a8ff | 1287 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1288 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1289 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1290 | */ |
bogdanm | 0:9b334a45a8ff | 1291 | static void I2S_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1292 | { |
bogdanm | 0:9b334a45a8ff | 1293 | I2S_HandleTypeDef* hi2s = (I2S_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1294 | |
bogdanm | 0:9b334a45a8ff | 1295 | HAL_I2S_RxHalfCpltCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1296 | } |
bogdanm | 0:9b334a45a8ff | 1297 | |
bogdanm | 0:9b334a45a8ff | 1298 | /** |
bogdanm | 0:9b334a45a8ff | 1299 | * @brief DMA I2S communication error callback |
bogdanm | 0:9b334a45a8ff | 1300 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1301 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1302 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1303 | */ |
bogdanm | 0:9b334a45a8ff | 1304 | static void I2S_DMAError(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1305 | { |
bogdanm | 0:9b334a45a8ff | 1306 | I2S_HandleTypeDef* hi2s = (I2S_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1307 | |
bogdanm | 0:9b334a45a8ff | 1308 | /* Disable Rx and Tx DMA Request */ |
bogdanm | 0:9b334a45a8ff | 1309 | CLEAR_BIT(hi2s->Instance->CR2, (SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN)); |
bogdanm | 0:9b334a45a8ff | 1310 | hi2s->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1311 | hi2s->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1312 | |
bogdanm | 0:9b334a45a8ff | 1313 | hi2s->State= HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1314 | |
bogdanm | 0:9b334a45a8ff | 1315 | /* Set the error code and execute error callback*/ |
bogdanm | 0:9b334a45a8ff | 1316 | SET_BIT(hi2s->ErrorCode, HAL_I2S_ERROR_DMA); |
bogdanm | 0:9b334a45a8ff | 1317 | HAL_I2S_ErrorCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1318 | } |
bogdanm | 0:9b334a45a8ff | 1319 | |
bogdanm | 0:9b334a45a8ff | 1320 | /** |
bogdanm | 0:9b334a45a8ff | 1321 | * @brief Transmit an amount of data in non-blocking mode with Interrupt |
bogdanm | 0:9b334a45a8ff | 1322 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1323 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1324 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1325 | */ |
bogdanm | 0:9b334a45a8ff | 1326 | static void I2S_Transmit_IT(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1327 | { |
bogdanm | 0:9b334a45a8ff | 1328 | /* Transmit data */ |
bogdanm | 0:9b334a45a8ff | 1329 | hi2s->Instance->DR = (*hi2s->pTxBuffPtr++); |
bogdanm | 0:9b334a45a8ff | 1330 | hi2s->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 1331 | |
bogdanm | 0:9b334a45a8ff | 1332 | if(hi2s->TxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1333 | { |
bogdanm | 0:9b334a45a8ff | 1334 | /* Disable TXE and ERR interrupt */ |
bogdanm | 0:9b334a45a8ff | 1335 | __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 1336 | |
bogdanm | 0:9b334a45a8ff | 1337 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1338 | HAL_I2S_TxCpltCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1339 | } |
bogdanm | 0:9b334a45a8ff | 1340 | } |
bogdanm | 0:9b334a45a8ff | 1341 | |
bogdanm | 0:9b334a45a8ff | 1342 | /** |
bogdanm | 0:9b334a45a8ff | 1343 | * @brief Receive an amount of data in non-blocking mode with Interrupt |
bogdanm | 0:9b334a45a8ff | 1344 | * @param hi2s: I2S handle |
bogdanm | 0:9b334a45a8ff | 1345 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1346 | */ |
bogdanm | 0:9b334a45a8ff | 1347 | static void I2S_Receive_IT(I2S_HandleTypeDef *hi2s) |
bogdanm | 0:9b334a45a8ff | 1348 | { |
bogdanm | 0:9b334a45a8ff | 1349 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 1350 | (*hi2s->pRxBuffPtr++) = hi2s->Instance->DR; |
bogdanm | 0:9b334a45a8ff | 1351 | hi2s->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 1352 | |
bogdanm | 0:9b334a45a8ff | 1353 | if(hi2s->RxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1354 | { |
bogdanm | 0:9b334a45a8ff | 1355 | /* Disable RXNE and ERR interrupt */ |
bogdanm | 0:9b334a45a8ff | 1356 | __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 1357 | |
bogdanm | 0:9b334a45a8ff | 1358 | hi2s->State = HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1359 | HAL_I2S_RxCpltCallback(hi2s); |
bogdanm | 0:9b334a45a8ff | 1360 | } |
bogdanm | 0:9b334a45a8ff | 1361 | } |
bogdanm | 0:9b334a45a8ff | 1362 | |
bogdanm | 0:9b334a45a8ff | 1363 | |
bogdanm | 0:9b334a45a8ff | 1364 | /** |
bogdanm | 0:9b334a45a8ff | 1365 | * @brief This function handles I2S Communication Timeout. |
bogdanm | 0:9b334a45a8ff | 1366 | * @param hi2s: pointer to a I2S_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1367 | * the configuration information for I2S module |
bogdanm | 0:9b334a45a8ff | 1368 | * @param Flag: Flag checked |
bogdanm | 0:9b334a45a8ff | 1369 | * @param Status: Value of the flag expected |
bogdanm | 0:9b334a45a8ff | 1370 | * @param Timeout: Duration of the timeout |
bogdanm | 0:9b334a45a8ff | 1371 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1372 | */ |
bogdanm | 0:9b334a45a8ff | 1373 | static HAL_StatusTypeDef I2S_WaitFlagStateUntilTimeout(I2S_HandleTypeDef *hi2s, uint32_t Flag, uint32_t Status, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 1374 | { |
bogdanm | 0:9b334a45a8ff | 1375 | uint32_t tickstart = 0; |
bogdanm | 0:9b334a45a8ff | 1376 | |
bogdanm | 0:9b334a45a8ff | 1377 | /* Get tick */ |
bogdanm | 0:9b334a45a8ff | 1378 | tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 1379 | |
bogdanm | 0:9b334a45a8ff | 1380 | /* Wait until flag is set */ |
bogdanm | 0:9b334a45a8ff | 1381 | if(Status == RESET) |
bogdanm | 0:9b334a45a8ff | 1382 | { |
bogdanm | 0:9b334a45a8ff | 1383 | while(__HAL_I2S_GET_FLAG(hi2s, Flag) == RESET) |
bogdanm | 0:9b334a45a8ff | 1384 | { |
bogdanm | 0:9b334a45a8ff | 1385 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1386 | { |
bogdanm | 0:9b334a45a8ff | 1387 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1388 | { |
bogdanm | 0:9b334a45a8ff | 1389 | /* Set the I2S State ready */ |
bogdanm | 0:9b334a45a8ff | 1390 | hi2s->State= HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1391 | |
bogdanm | 0:9b334a45a8ff | 1392 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1393 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 1394 | |
bogdanm | 0:9b334a45a8ff | 1395 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1396 | } |
bogdanm | 0:9b334a45a8ff | 1397 | } |
bogdanm | 0:9b334a45a8ff | 1398 | } |
bogdanm | 0:9b334a45a8ff | 1399 | } |
bogdanm | 0:9b334a45a8ff | 1400 | else |
bogdanm | 0:9b334a45a8ff | 1401 | { |
bogdanm | 0:9b334a45a8ff | 1402 | while(__HAL_I2S_GET_FLAG(hi2s, Flag) != RESET) |
bogdanm | 0:9b334a45a8ff | 1403 | { |
bogdanm | 0:9b334a45a8ff | 1404 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1405 | { |
bogdanm | 0:9b334a45a8ff | 1406 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1407 | { |
bogdanm | 0:9b334a45a8ff | 1408 | /* Set the I2S State ready */ |
bogdanm | 0:9b334a45a8ff | 1409 | hi2s->State= HAL_I2S_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1410 | |
bogdanm | 0:9b334a45a8ff | 1411 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1412 | __HAL_UNLOCK(hi2s); |
bogdanm | 0:9b334a45a8ff | 1413 | |
bogdanm | 0:9b334a45a8ff | 1414 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1415 | } |
bogdanm | 0:9b334a45a8ff | 1416 | } |
bogdanm | 0:9b334a45a8ff | 1417 | } |
bogdanm | 0:9b334a45a8ff | 1418 | } |
bogdanm | 0:9b334a45a8ff | 1419 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1420 | } |
bogdanm | 0:9b334a45a8ff | 1421 | |
bogdanm | 0:9b334a45a8ff | 1422 | /** |
bogdanm | 0:9b334a45a8ff | 1423 | * @} |
bogdanm | 0:9b334a45a8ff | 1424 | */ |
bogdanm | 0:9b334a45a8ff | 1425 | |
bogdanm | 0:9b334a45a8ff | 1426 | /** |
bogdanm | 0:9b334a45a8ff | 1427 | * @} |
bogdanm | 0:9b334a45a8ff | 1428 | */ |
mbed_official | 113:b3775bf36a83 | 1429 | #endif /* HAL_I2S_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 1430 | |
bogdanm | 0:9b334a45a8ff | 1431 | /** |
bogdanm | 0:9b334a45a8ff | 1432 | * @} |
bogdanm | 0:9b334a45a8ff | 1433 | */ |
bogdanm | 0:9b334a45a8ff | 1434 | |
mbed_official | 113:b3775bf36a83 | 1435 | #endif /* #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined(STM32L031xx) && !defined(STM32L041xx) */ |
bogdanm | 0:9b334a45a8ff | 1436 | |
bogdanm | 0:9b334a45a8ff | 1437 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
bogdanm | 0:9b334a45a8ff | 1438 |