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/**
******************************************************************************
* @file stm32f4xx_ll_fmpi2c.c
* @author MCD Application Team
* @brief FMPI2C LL module driver.
******************************************************************************
* @attention
*
* Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
#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(const 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, const 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 */