diff options
Diffstat (limited to 'fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_spi.c')
| -rw-r--r-- | fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_spi.c | 531 |
1 files changed, 0 insertions, 531 deletions
diff --git a/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_spi.c b/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_spi.c deleted file mode 100644 index 2fdbd86..0000000 --- a/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_spi.c +++ /dev/null @@ -1,531 +0,0 @@ -/**
- ******************************************************************************
- * @file stm32f0xx_ll_spi.c
- * @author MCD Application Team
- * @brief SPI LL module driver.
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2016 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
-#if defined(USE_FULL_LL_DRIVER)
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f0xx_ll_spi.h"
-#include "stm32f0xx_ll_bus.h"
-#include "stm32f0xx_ll_rcc.h"
-
-#ifdef USE_FULL_ASSERT
-#include "stm32_assert.h"
-#else
-#define assert_param(expr) ((void)0U)
-#endif
-
-/** @addtogroup STM32F0xx_LL_Driver
- * @{
- */
-
-#if defined (SPI1) || defined (SPI2)
-
-/** @addtogroup SPI_LL
- * @{
- */
-
-/* Private types -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-
-/* Private constants ---------------------------------------------------------*/
-/** @defgroup SPI_LL_Private_Constants SPI Private Constants
- * @{
- */
-/* SPI registers Masks */
-#define SPI_CR1_CLEAR_MASK (SPI_CR1_CPHA | SPI_CR1_CPOL | SPI_CR1_MSTR | \
- SPI_CR1_BR | SPI_CR1_LSBFIRST | SPI_CR1_SSI | \
- SPI_CR1_SSM | SPI_CR1_RXONLY | SPI_CR1_CRCL | \
- SPI_CR1_CRCNEXT | SPI_CR1_CRCEN | SPI_CR1_BIDIOE | \
- SPI_CR1_BIDIMODE)
-/**
- * @}
- */
-
-/* Private macros ------------------------------------------------------------*/
-/** @defgroup SPI_LL_Private_Macros SPI Private Macros
- * @{
- */
-#define IS_LL_SPI_TRANSFER_DIRECTION(__VALUE__) (((__VALUE__) == LL_SPI_FULL_DUPLEX) \
- || ((__VALUE__) == LL_SPI_SIMPLEX_RX) \
- || ((__VALUE__) == LL_SPI_HALF_DUPLEX_RX) \
- || ((__VALUE__) == LL_SPI_HALF_DUPLEX_TX))
-
-#define IS_LL_SPI_MODE(__VALUE__) (((__VALUE__) == LL_SPI_MODE_MASTER) \
- || ((__VALUE__) == LL_SPI_MODE_SLAVE))
-
-#define IS_LL_SPI_DATAWIDTH(__VALUE__) (((__VALUE__) == LL_SPI_DATAWIDTH_4BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_5BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_6BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_7BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_8BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_9BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_10BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_11BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_12BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_13BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_14BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_15BIT) \
- || ((__VALUE__) == LL_SPI_DATAWIDTH_16BIT))
-
-#define IS_LL_SPI_POLARITY(__VALUE__) (((__VALUE__) == LL_SPI_POLARITY_LOW) \
- || ((__VALUE__) == LL_SPI_POLARITY_HIGH))
-
-#define IS_LL_SPI_PHASE(__VALUE__) (((__VALUE__) == LL_SPI_PHASE_1EDGE) \
- || ((__VALUE__) == LL_SPI_PHASE_2EDGE))
-
-#define IS_LL_SPI_NSS(__VALUE__) (((__VALUE__) == LL_SPI_NSS_SOFT) \
- || ((__VALUE__) == LL_SPI_NSS_HARD_INPUT) \
- || ((__VALUE__) == LL_SPI_NSS_HARD_OUTPUT))
-
-#define IS_LL_SPI_BAUDRATE(__VALUE__) (((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV2) \
- || ((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV4) \
- || ((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV8) \
- || ((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV16) \
- || ((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV32) \
- || ((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV64) \
- || ((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV128) \
- || ((__VALUE__) == LL_SPI_BAUDRATEPRESCALER_DIV256))
-
-#define IS_LL_SPI_BITORDER(__VALUE__) (((__VALUE__) == LL_SPI_LSB_FIRST) \
- || ((__VALUE__) == LL_SPI_MSB_FIRST))
-
-#define IS_LL_SPI_CRCCALCULATION(__VALUE__) (((__VALUE__) == LL_SPI_CRCCALCULATION_ENABLE) \
- || ((__VALUE__) == LL_SPI_CRCCALCULATION_DISABLE))
-
-#define IS_LL_SPI_CRC_POLYNOMIAL(__VALUE__) ((__VALUE__) >= 0x1U)
-
-/**
- * @}
- */
-
-/* Private function prototypes -----------------------------------------------*/
-
-/* Exported functions --------------------------------------------------------*/
-/** @addtogroup SPI_LL_Exported_Functions
- * @{
- */
-
-/** @addtogroup SPI_LL_EF_Init
- * @{
- */
-
-/**
- * @brief De-initialize the SPI registers to their default reset values.
- * @param SPIx SPI Instance
- * @retval An ErrorStatus enumeration value:
- * - SUCCESS: SPI registers are de-initialized
- * - ERROR: SPI registers are not de-initialized
- */
-ErrorStatus LL_SPI_DeInit(SPI_TypeDef *SPIx)
-{
- ErrorStatus status = ERROR;
-
- /* Check the parameters */
- assert_param(IS_SPI_ALL_INSTANCE(SPIx));
-
-#if defined(SPI1)
- if (SPIx == SPI1)
- {
- /* Force reset of SPI clock */
- LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_SPI1);
-
- /* Release reset of SPI clock */
- LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_SPI1);
-
- status = SUCCESS;
- }
-#endif /* SPI1 */
-#if defined(SPI2)
- if (SPIx == SPI2)
- {
- /* Force reset of SPI clock */
- LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_SPI2);
-
- /* Release reset of SPI clock */
- LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_SPI2);
-
- status = SUCCESS;
- }
-#endif /* SPI2 */
-
- return status;
-}
-
-/**
- * @brief Initialize the SPI registers according to the specified parameters in SPI_InitStruct.
- * @note As some bits in SPI configuration registers can only be written when the SPI is disabled (SPI_CR1_SPE bit =0),
- * SPI peripheral should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
- * @param SPIx SPI Instance
- * @param SPI_InitStruct pointer to a @ref LL_SPI_InitTypeDef structure
- * @retval An ErrorStatus enumeration value. (Return always SUCCESS)
- */
-ErrorStatus LL_SPI_Init(SPI_TypeDef *SPIx, LL_SPI_InitTypeDef *SPI_InitStruct)
-{
- ErrorStatus status = ERROR;
-
- /* Check the SPI Instance SPIx*/
- assert_param(IS_SPI_ALL_INSTANCE(SPIx));
-
- /* Check the SPI parameters from SPI_InitStruct*/
- assert_param(IS_LL_SPI_TRANSFER_DIRECTION(SPI_InitStruct->TransferDirection));
- assert_param(IS_LL_SPI_MODE(SPI_InitStruct->Mode));
- assert_param(IS_LL_SPI_DATAWIDTH(SPI_InitStruct->DataWidth));
- assert_param(IS_LL_SPI_POLARITY(SPI_InitStruct->ClockPolarity));
- assert_param(IS_LL_SPI_PHASE(SPI_InitStruct->ClockPhase));
- assert_param(IS_LL_SPI_NSS(SPI_InitStruct->NSS));
- assert_param(IS_LL_SPI_BAUDRATE(SPI_InitStruct->BaudRate));
- assert_param(IS_LL_SPI_BITORDER(SPI_InitStruct->BitOrder));
- assert_param(IS_LL_SPI_CRCCALCULATION(SPI_InitStruct->CRCCalculation));
-
- if (LL_SPI_IsEnabled(SPIx) == 0x00000000U)
- {
- /*---------------------------- SPIx CR1 Configuration ------------------------
- * Configure SPIx CR1 with parameters:
- * - TransferDirection: SPI_CR1_BIDIMODE, SPI_CR1_BIDIOE and SPI_CR1_RXONLY bits
- * - Master/Slave Mode: SPI_CR1_MSTR bit
- * - ClockPolarity: SPI_CR1_CPOL bit
- * - ClockPhase: SPI_CR1_CPHA bit
- * - NSS management: SPI_CR1_SSM bit
- * - BaudRate prescaler: SPI_CR1_BR[2:0] bits
- * - BitOrder: SPI_CR1_LSBFIRST bit
- * - CRCCalculation: SPI_CR1_CRCEN bit
- */
- MODIFY_REG(SPIx->CR1,
- SPI_CR1_CLEAR_MASK,
- SPI_InitStruct->TransferDirection | SPI_InitStruct->Mode |
- SPI_InitStruct->ClockPolarity | SPI_InitStruct->ClockPhase |
- SPI_InitStruct->NSS | SPI_InitStruct->BaudRate |
- SPI_InitStruct->BitOrder | SPI_InitStruct->CRCCalculation);
-
- /*---------------------------- SPIx CR2 Configuration ------------------------
- * Configure SPIx CR2 with parameters:
- * - DataWidth: DS[3:0] bits
- * - NSS management: SSOE bit
- */
- MODIFY_REG(SPIx->CR2,
- SPI_CR2_DS | SPI_CR2_SSOE,
- SPI_InitStruct->DataWidth | (SPI_InitStruct->NSS >> 16U));
-
- /*---------------------------- SPIx CRCPR Configuration ----------------------
- * Configure SPIx CRCPR with parameters:
- * - CRCPoly: CRCPOLY[15:0] bits
- */
- if (SPI_InitStruct->CRCCalculation == LL_SPI_CRCCALCULATION_ENABLE)
- {
- assert_param(IS_LL_SPI_CRC_POLYNOMIAL(SPI_InitStruct->CRCPoly));
- LL_SPI_SetCRCPolynomial(SPIx, SPI_InitStruct->CRCPoly);
- }
- status = SUCCESS;
- }
-
-#if defined (SPI_I2S_SUPPORT)
- /* Activate the SPI mode (Reset I2SMOD bit in I2SCFGR register) */
- CLEAR_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SMOD);
-#endif /* SPI_I2S_SUPPORT */
- return status;
-}
-
-/**
- * @brief Set each @ref LL_SPI_InitTypeDef field to default value.
- * @param SPI_InitStruct pointer to a @ref LL_SPI_InitTypeDef structure
- * whose fields will be set to default values.
- * @retval None
- */
-void LL_SPI_StructInit(LL_SPI_InitTypeDef *SPI_InitStruct)
-{
- /* Set SPI_InitStruct fields to default values */
- SPI_InitStruct->TransferDirection = LL_SPI_FULL_DUPLEX;
- SPI_InitStruct->Mode = LL_SPI_MODE_SLAVE;
- SPI_InitStruct->DataWidth = LL_SPI_DATAWIDTH_8BIT;
- SPI_InitStruct->ClockPolarity = LL_SPI_POLARITY_LOW;
- SPI_InitStruct->ClockPhase = LL_SPI_PHASE_1EDGE;
- SPI_InitStruct->NSS = LL_SPI_NSS_HARD_INPUT;
- SPI_InitStruct->BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV2;
- SPI_InitStruct->BitOrder = LL_SPI_MSB_FIRST;
- SPI_InitStruct->CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
- SPI_InitStruct->CRCPoly = 7U;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#if defined(SPI_I2S_SUPPORT)
-/** @addtogroup I2S_LL
- * @{
- */
-
-/* Private types -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private constants ---------------------------------------------------------*/
-/** @defgroup I2S_LL_Private_Constants I2S Private Constants
- * @{
- */
-/* I2S registers Masks */
-#define I2S_I2SCFGR_CLEAR_MASK (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN | \
- SPI_I2SCFGR_CKPOL | SPI_I2SCFGR_I2SSTD | \
- SPI_I2SCFGR_I2SCFG | SPI_I2SCFGR_I2SMOD )
-
-#define I2S_I2SPR_CLEAR_MASK 0x0002U
-/**
- * @}
- */
-/* Private macros ------------------------------------------------------------*/
-/** @defgroup I2S_LL_Private_Macros I2S Private Macros
- * @{
- */
-
-#define IS_LL_I2S_DATAFORMAT(__VALUE__) (((__VALUE__) == LL_I2S_DATAFORMAT_16B) \
- || ((__VALUE__) == LL_I2S_DATAFORMAT_16B_EXTENDED) \
- || ((__VALUE__) == LL_I2S_DATAFORMAT_24B) \
- || ((__VALUE__) == LL_I2S_DATAFORMAT_32B))
-
-#define IS_LL_I2S_CPOL(__VALUE__) (((__VALUE__) == LL_I2S_POLARITY_LOW) \
- || ((__VALUE__) == LL_I2S_POLARITY_HIGH))
-
-#define IS_LL_I2S_STANDARD(__VALUE__) (((__VALUE__) == LL_I2S_STANDARD_PHILIPS) \
- || ((__VALUE__) == LL_I2S_STANDARD_MSB) \
- || ((__VALUE__) == LL_I2S_STANDARD_LSB) \
- || ((__VALUE__) == LL_I2S_STANDARD_PCM_SHORT) \
- || ((__VALUE__) == LL_I2S_STANDARD_PCM_LONG))
-
-#define IS_LL_I2S_MODE(__VALUE__) (((__VALUE__) == LL_I2S_MODE_SLAVE_TX) \
- || ((__VALUE__) == LL_I2S_MODE_SLAVE_RX) \
- || ((__VALUE__) == LL_I2S_MODE_MASTER_TX) \
- || ((__VALUE__) == LL_I2S_MODE_MASTER_RX))
-
-#define IS_LL_I2S_MCLK_OUTPUT(__VALUE__) (((__VALUE__) == LL_I2S_MCLK_OUTPUT_ENABLE) \
- || ((__VALUE__) == LL_I2S_MCLK_OUTPUT_DISABLE))
-
-#define IS_LL_I2S_AUDIO_FREQ(__VALUE__) ((((__VALUE__) >= LL_I2S_AUDIOFREQ_8K) \
- && ((__VALUE__) <= LL_I2S_AUDIOFREQ_192K)) \
- || ((__VALUE__) == LL_I2S_AUDIOFREQ_DEFAULT))
-
-#define IS_LL_I2S_PRESCALER_LINEAR(__VALUE__) ((__VALUE__) >= 0x2U)
-
-#define IS_LL_I2S_PRESCALER_PARITY(__VALUE__) (((__VALUE__) == LL_I2S_PRESCALER_PARITY_EVEN) \
- || ((__VALUE__) == LL_I2S_PRESCALER_PARITY_ODD))
-/**
- * @}
- */
-
-/* Private function prototypes -----------------------------------------------*/
-
-/* Exported functions --------------------------------------------------------*/
-/** @addtogroup I2S_LL_Exported_Functions
- * @{
- */
-
-/** @addtogroup I2S_LL_EF_Init
- * @{
- */
-
-/**
- * @brief De-initialize the SPI/I2S registers to their default reset values.
- * @param SPIx SPI Instance
- * @retval An ErrorStatus enumeration value:
- * - SUCCESS: SPI registers are de-initialized
- * - ERROR: SPI registers are not de-initialized
- */
-ErrorStatus LL_I2S_DeInit(SPI_TypeDef *SPIx)
-{
- return LL_SPI_DeInit(SPIx);
-}
-
-/**
- * @brief Initializes the SPI/I2S registers according to the specified parameters in I2S_InitStruct.
- * @note As some bits in SPI configuration registers can only be written when the SPI is disabled (SPI_CR1_SPE bit =0),
- * SPI peripheral should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
- * @param SPIx SPI Instance
- * @param I2S_InitStruct pointer to a @ref LL_I2S_InitTypeDef structure
- * @retval An ErrorStatus enumeration value:
- * - SUCCESS: SPI registers are Initialized
- * - ERROR: SPI registers are not Initialized
- */
-ErrorStatus LL_I2S_Init(SPI_TypeDef *SPIx, LL_I2S_InitTypeDef *I2S_InitStruct)
-{
- uint32_t i2sdiv = 2U;
- uint32_t i2sodd = 0U;
- uint32_t packetlength = 1U;
- uint32_t tmp;
- LL_RCC_ClocksTypeDef rcc_clocks;
- uint32_t sourceclock;
- ErrorStatus status = ERROR;
-
- /* Check the I2S parameters */
- assert_param(IS_I2S_ALL_INSTANCE(SPIx));
- assert_param(IS_LL_I2S_MODE(I2S_InitStruct->Mode));
- assert_param(IS_LL_I2S_STANDARD(I2S_InitStruct->Standard));
- assert_param(IS_LL_I2S_DATAFORMAT(I2S_InitStruct->DataFormat));
- assert_param(IS_LL_I2S_MCLK_OUTPUT(I2S_InitStruct->MCLKOutput));
- assert_param(IS_LL_I2S_AUDIO_FREQ(I2S_InitStruct->AudioFreq));
- assert_param(IS_LL_I2S_CPOL(I2S_InitStruct->ClockPolarity));
-
- if (LL_I2S_IsEnabled(SPIx) == 0x00000000U)
- {
- /*---------------------------- SPIx I2SCFGR Configuration --------------------
- * Configure SPIx I2SCFGR with parameters:
- * - Mode: SPI_I2SCFGR_I2SCFG[1:0] bit
- * - Standard: SPI_I2SCFGR_I2SSTD[1:0] and SPI_I2SCFGR_PCMSYNC bits
- * - DataFormat: SPI_I2SCFGR_CHLEN and SPI_I2SCFGR_DATLEN bits
- * - ClockPolarity: SPI_I2SCFGR_CKPOL bit
- */
-
- /* Write to SPIx I2SCFGR */
- MODIFY_REG(SPIx->I2SCFGR,
- I2S_I2SCFGR_CLEAR_MASK,
- I2S_InitStruct->Mode | I2S_InitStruct->Standard |
- I2S_InitStruct->DataFormat | I2S_InitStruct->ClockPolarity |
- SPI_I2SCFGR_I2SMOD);
-
- /*---------------------------- SPIx I2SPR Configuration ----------------------
- * Configure SPIx I2SPR with parameters:
- * - MCLKOutput: SPI_I2SPR_MCKOE bit
- * - AudioFreq: SPI_I2SPR_I2SDIV[7:0] and SPI_I2SPR_ODD bits
- */
-
- /* If the requested audio frequency is not the default, compute the prescaler (i2sodd, i2sdiv)
- * else, default values are used: i2sodd = 0U, i2sdiv = 2U.
- */
- if (I2S_InitStruct->AudioFreq != LL_I2S_AUDIOFREQ_DEFAULT)
- {
- /* Check the frame length (For the Prescaler computing)
- * Default value: LL_I2S_DATAFORMAT_16B (packetlength = 1U).
- */
- if (I2S_InitStruct->DataFormat != LL_I2S_DATAFORMAT_16B)
- {
- /* Packet length is 32 bits */
- packetlength = 2U;
- }
-
- /* I2S Clock source is System clock: Get System Clock frequency */
- LL_RCC_GetSystemClocksFreq(&rcc_clocks);
-
- /* Get the source clock value: based on System Clock value */
- sourceclock = rcc_clocks.SYSCLK_Frequency;
-
- /* Compute the Real divider depending on the MCLK output state with a floating point */
- if (I2S_InitStruct->MCLKOutput == LL_I2S_MCLK_OUTPUT_ENABLE)
- {
- /* MCLK output is enabled */
- tmp = (((((sourceclock / 256U) * 10U) / I2S_InitStruct->AudioFreq)) + 5U);
- }
- else
- {
- /* MCLK output is disabled */
- tmp = (((((sourceclock / (32U * packetlength)) * 10U) / I2S_InitStruct->AudioFreq)) + 5U);
- }
-
- /* Remove the floating point */
- tmp = tmp / 10U;
-
- /* Check the parity of the divider */
- i2sodd = (tmp & (uint16_t)0x0001U);
-
- /* Compute the i2sdiv prescaler */
- i2sdiv = ((tmp - i2sodd) / 2U);
-
- /* Get the Mask for the Odd bit (SPI_I2SPR[8]) register */
- i2sodd = (i2sodd << 8U);
- }
-
- /* Test if the divider is 1 or 0 or greater than 0xFF */
- if ((i2sdiv < 2U) || (i2sdiv > 0xFFU))
- {
- /* Set the default values */
- i2sdiv = 2U;
- i2sodd = 0U;
- }
-
- /* Write to SPIx I2SPR register the computed value */
- WRITE_REG(SPIx->I2SPR, i2sdiv | i2sodd | I2S_InitStruct->MCLKOutput);
-
- status = SUCCESS;
- }
- return status;
-}
-
-/**
- * @brief Set each @ref LL_I2S_InitTypeDef field to default value.
- * @param I2S_InitStruct pointer to a @ref LL_I2S_InitTypeDef structure
- * whose fields will be set to default values.
- * @retval None
- */
-void LL_I2S_StructInit(LL_I2S_InitTypeDef *I2S_InitStruct)
-{
- /*--------------- Reset I2S init structure parameters values -----------------*/
- I2S_InitStruct->Mode = LL_I2S_MODE_SLAVE_TX;
- I2S_InitStruct->Standard = LL_I2S_STANDARD_PHILIPS;
- I2S_InitStruct->DataFormat = LL_I2S_DATAFORMAT_16B;
- I2S_InitStruct->MCLKOutput = LL_I2S_MCLK_OUTPUT_DISABLE;
- I2S_InitStruct->AudioFreq = LL_I2S_AUDIOFREQ_DEFAULT;
- I2S_InitStruct->ClockPolarity = LL_I2S_POLARITY_LOW;
-}
-
-/**
- * @brief Set linear and parity prescaler.
- * @note To calculate value of PrescalerLinear(I2SDIV[7:0] bits) and PrescalerParity(ODD bit)\n
- * Check Audio frequency table and formulas inside Reference Manual (SPI/I2S).
- * @param SPIx SPI Instance
- * @param PrescalerLinear value Min_Data=0x02 and Max_Data=0xFF.
- * @param PrescalerParity This parameter can be one of the following values:
- * @arg @ref LL_I2S_PRESCALER_PARITY_EVEN
- * @arg @ref LL_I2S_PRESCALER_PARITY_ODD
- * @retval None
- */
-void LL_I2S_ConfigPrescaler(SPI_TypeDef *SPIx, uint32_t PrescalerLinear, uint32_t PrescalerParity)
-{
- /* Check the I2S parameters */
- assert_param(IS_I2S_ALL_INSTANCE(SPIx));
- assert_param(IS_LL_I2S_PRESCALER_LINEAR(PrescalerLinear));
- assert_param(IS_LL_I2S_PRESCALER_PARITY(PrescalerParity));
-
- /* Write to SPIx I2SPR */
- MODIFY_REG(SPIx->I2SPR, SPI_I2SPR_I2SDIV | SPI_I2SPR_ODD, PrescalerLinear | (PrescalerParity << 8U));
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-#endif /* SPI_I2S_SUPPORT */
-
-#endif /* defined (SPI1) || defined (SPI2) */
-
-/**
- * @}
- */
-
-#endif /* USE_FULL_LL_DRIVER */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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