| /** |
| ****************************************************************************** |
| * @file stm32f4xx_ll_fmpi2c.c |
| * @author MCD Application Team |
| * @brief FMPI2C 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) |
| |
| #if defined(FMPI2C_CR1_PE) |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32f4xx_ll_fmpi2c.h" |
| #include "stm32f4xx_ll_bus.h" |
| #ifdef USE_FULL_ASSERT |
| #include "stm32_assert.h" |
| #else |
| #define assert_param(expr) ((void)0U) |
| #endif /* USE_FULL_ASSERT */ |
| |
| /** @addtogroup STM32F4xx_LL_Driver |
| * @{ |
| */ |
| |
| #if defined (FMPI2C1) |
| |
| /** @defgroup FMPI2C_LL FMPI2C |
| * @{ |
| */ |
| |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /* Private macros ------------------------------------------------------------*/ |
| /** @addtogroup FMPI2C_LL_Private_Macros |
| * @{ |
| */ |
| |
| #define IS_LL_FMPI2C_PERIPHERAL_MODE(__VALUE__) (((__VALUE__) == LL_FMPI2C_MODE_I2C) || \ |
| ((__VALUE__) == LL_FMPI2C_MODE_SMBUS_HOST) || \ |
| ((__VALUE__) == LL_FMPI2C_MODE_SMBUS_DEVICE) || \ |
| ((__VALUE__) == LL_FMPI2C_MODE_SMBUS_DEVICE_ARP)) |
| |
| #define IS_LL_FMPI2C_ANALOG_FILTER(__VALUE__) (((__VALUE__) == LL_FMPI2C_ANALOGFILTER_ENABLE) || \ |
| ((__VALUE__) == LL_FMPI2C_ANALOGFILTER_DISABLE)) |
| |
| #define IS_LL_FMPI2C_DIGITAL_FILTER(__VALUE__) ((__VALUE__) <= 0x0000000FU) |
| |
| #define IS_LL_FMPI2C_OWN_ADDRESS1(__VALUE__) ((__VALUE__) <= 0x000003FFU) |
| |
| #define IS_LL_FMPI2C_TYPE_ACKNOWLEDGE(__VALUE__) (((__VALUE__) == LL_FMPI2C_ACK) || \ |
| ((__VALUE__) == LL_FMPI2C_NACK)) |
| |
| #define IS_LL_FMPI2C_OWN_ADDRSIZE(__VALUE__) (((__VALUE__) == LL_FMPI2C_OWNADDRESS1_7BIT) || \ |
| ((__VALUE__) == LL_FMPI2C_OWNADDRESS1_10BIT)) |
| /** |
| * @} |
| */ |
| |
| /* Private function prototypes -----------------------------------------------*/ |
| |
| /* Exported functions --------------------------------------------------------*/ |
| /** @addtogroup FMPI2C_LL_Exported_Functions |
| * @{ |
| */ |
| |
| /** @addtogroup FMPI2C_LL_EF_Init |
| * @{ |
| */ |
| |
| /** |
| * @brief De-initialize the FMPI2C registers to their default reset values. |
| * @param FMPI2Cx FMPI2C Instance. |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: FMPI2C registers are de-initialized |
| * - ERROR: FMPI2C registers are not de-initialized |
| */ |
| ErrorStatus LL_FMPI2C_DeInit(FMPI2C_TypeDef *FMPI2Cx) |
| { |
| ErrorStatus status = SUCCESS; |
| |
| /* Check the FMPI2C Instance FMPI2Cx */ |
| assert_param(IS_FMPI2C_ALL_INSTANCE(FMPI2Cx)); |
| |
| if (FMPI2Cx == FMPI2C1) |
| { |
| /* Force reset of FMPI2C clock */ |
| LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_FMPI2C1); |
| |
| /* Release reset of FMPI2C clock */ |
| LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_FMPI2C1); |
| } |
| else |
| { |
| status = ERROR; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * @brief Initialize the FMPI2C registers according to the specified parameters in FMPI2C_InitStruct. |
| * @param FMPI2Cx FMPI2C Instance. |
| * @param FMPI2C_InitStruct pointer to a @ref LL_FMPI2C_InitTypeDef structure. |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: FMPI2C registers are initialized |
| * - ERROR: Not applicable |
| */ |
| ErrorStatus LL_FMPI2C_Init(FMPI2C_TypeDef *FMPI2Cx, LL_FMPI2C_InitTypeDef *FMPI2C_InitStruct) |
| { |
| /* Check the FMPI2C Instance FMPI2Cx */ |
| assert_param(IS_FMPI2C_ALL_INSTANCE(FMPI2Cx)); |
| |
| /* Check the FMPI2C parameters from FMPI2C_InitStruct */ |
| assert_param(IS_LL_FMPI2C_PERIPHERAL_MODE(FMPI2C_InitStruct->PeripheralMode)); |
| assert_param(IS_LL_FMPI2C_ANALOG_FILTER(FMPI2C_InitStruct->AnalogFilter)); |
| assert_param(IS_LL_FMPI2C_DIGITAL_FILTER(FMPI2C_InitStruct->DigitalFilter)); |
| assert_param(IS_LL_FMPI2C_OWN_ADDRESS1(FMPI2C_InitStruct->OwnAddress1)); |
| assert_param(IS_LL_FMPI2C_TYPE_ACKNOWLEDGE(FMPI2C_InitStruct->TypeAcknowledge)); |
| assert_param(IS_LL_FMPI2C_OWN_ADDRSIZE(FMPI2C_InitStruct->OwnAddrSize)); |
| |
| /* Disable the selected FMPI2Cx Peripheral */ |
| LL_FMPI2C_Disable(FMPI2Cx); |
| |
| /*---------------------------- FMPI2Cx CR1 Configuration ------------------------ |
| * Configure the analog and digital noise filters with parameters : |
| * - AnalogFilter: FMPI2C_CR1_ANFOFF bit |
| * - DigitalFilter: FMPI2C_CR1_DNF[3:0] bits |
| */ |
| LL_FMPI2C_ConfigFilters(FMPI2Cx, FMPI2C_InitStruct->AnalogFilter, FMPI2C_InitStruct->DigitalFilter); |
| |
| /*---------------------------- FMPI2Cx TIMINGR Configuration -------------------- |
| * Configure the SDA setup, hold time and the SCL high, low period with parameter : |
| * - Timing: FMPI2C_TIMINGR_PRESC[3:0], FMPI2C_TIMINGR_SCLDEL[3:0], FMPI2C_TIMINGR_SDADEL[3:0], |
| * FMPI2C_TIMINGR_SCLH[7:0] and FMPI2C_TIMINGR_SCLL[7:0] bits |
| */ |
| LL_FMPI2C_SetTiming(FMPI2Cx, FMPI2C_InitStruct->Timing); |
| |
| /* Enable the selected FMPI2Cx Peripheral */ |
| LL_FMPI2C_Enable(FMPI2Cx); |
| |
| /*---------------------------- FMPI2Cx OAR1 Configuration ----------------------- |
| * Disable, Configure and Enable FMPI2Cx device own address 1 with parameters : |
| * - OwnAddress1: FMPI2C_OAR1_OA1[9:0] bits |
| * - OwnAddrSize: FMPI2C_OAR1_OA1MODE bit |
| */ |
| LL_FMPI2C_DisableOwnAddress1(FMPI2Cx); |
| LL_FMPI2C_SetOwnAddress1(FMPI2Cx, FMPI2C_InitStruct->OwnAddress1, FMPI2C_InitStruct->OwnAddrSize); |
| |
| /* OwnAdress1 == 0 is reserved for General Call address */ |
| if (FMPI2C_InitStruct->OwnAddress1 != 0U) |
| { |
| LL_FMPI2C_EnableOwnAddress1(FMPI2Cx); |
| } |
| |
| /*---------------------------- FMPI2Cx MODE Configuration ----------------------- |
| * Configure FMPI2Cx peripheral mode with parameter : |
| * - PeripheralMode: FMPI2C_CR1_SMBDEN and FMPI2C_CR1_SMBHEN bits |
| */ |
| LL_FMPI2C_SetMode(FMPI2Cx, FMPI2C_InitStruct->PeripheralMode); |
| |
| /*---------------------------- FMPI2Cx CR2 Configuration ------------------------ |
| * Configure the ACKnowledge or Non ACKnowledge condition |
| * after the address receive match code or next received byte with parameter : |
| * - TypeAcknowledge: FMPI2C_CR2_NACK bit |
| */ |
| LL_FMPI2C_AcknowledgeNextData(FMPI2Cx, FMPI2C_InitStruct->TypeAcknowledge); |
| |
| return SUCCESS; |
| } |
| |
| /** |
| * @brief Set each @ref LL_FMPI2C_InitTypeDef field to default value. |
| * @param FMPI2C_InitStruct Pointer to a @ref LL_FMPI2C_InitTypeDef structure. |
| * @retval None |
| */ |
| void LL_FMPI2C_StructInit(LL_FMPI2C_InitTypeDef *FMPI2C_InitStruct) |
| { |
| /* Set FMPI2C_InitStruct fields to default values */ |
| FMPI2C_InitStruct->PeripheralMode = LL_FMPI2C_MODE_I2C; |
| FMPI2C_InitStruct->Timing = 0U; |
| FMPI2C_InitStruct->AnalogFilter = LL_FMPI2C_ANALOGFILTER_ENABLE; |
| FMPI2C_InitStruct->DigitalFilter = 0U; |
| FMPI2C_InitStruct->OwnAddress1 = 0U; |
| FMPI2C_InitStruct->TypeAcknowledge = LL_FMPI2C_NACK; |
| FMPI2C_InitStruct->OwnAddrSize = LL_FMPI2C_OWNADDRESS1_7BIT; |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* FMPI2C1 */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* FMPI2C_CR1_PE */ |
| #endif /* USE_FULL_LL_DRIVER */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |