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TARGET_DISCO_L053C8/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_i2c.h@136:ef9c61f8c49f, 2017-02-14 (annotated)

Committer:
Kojto
Date:
Tue Feb 14 11:24:20 2017 +0000
Revision:
136:ef9c61f8c49f
Child:
167:84c0a372a020
Release 136 of the mbed library



Ports for Upcoming Targets





Fixes and Changes



3432: Target STM USBHOST support https://github.com/ARMmbed/mbed-os/pull/3432

3181: NUCLEO_F207ZG extending PeripheralPins.c: all available alternate functions can be used now https://github.com/ARMmbed/mbed-os/pull/3181

3626: NUCLEO_F412ZG : Add USB Device +Host https://github.com/ARMmbed/mbed-os/pull/3626

3628: Fix warnings https://github.com/ARMmbed/mbed-os/pull/3628

3629: STM32: L0 LL layer https://github.com/ARMmbed/mbed-os/pull/3629

3632: IDE Export support for platform VK_RZ_A1H https://github.com/ARMmbed/mbed-os/pull/3632

3642: Missing IRQ pin fix for platform VK_RZ_A1H https://github.com/ARMmbed/mbed-os/pull/3642

3664: Fix ncs36510 sleep definitions https://github.com/ARMmbed/mbed-os/pull/3664

3655: [STM32F4] Modify folder structure https://github.com/ARMmbed/mbed-os/pull/3655

3657: [STM32L4] Modify folder structure https://github.com/ARMmbed/mbed-os/pull/3657

3658: [STM32F3] Modify folder structure https://github.com/ARMmbed/mbed-os/pull/3658

3685: STM32: I2C: reset state machine https://github.com/ARMmbed/mbed-os/pull/3685

3692: uVisor: Standardize available legacy heap and stack https://github.com/ARMmbed/mbed-os/pull/3692

3621: Fix for #2884, LPC824: export to LPCXpresso, target running with wron https://github.com/ARMmbed/mbed-os/pull/3621

3649: [STM32F7] Modify folder structure  https://github.com/ARMmbed/mbed-os/pull/3649

3695: Enforce device_name is valid in targets.json https://github.com/ARMmbed/mbed-os/pull/3695

3723: NCS36510: spi_format function bug fix https://github.com/ARMmbed/mbed-os/pull/3723

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 136:ef9c61f8c49f 1 /**
Kojto 136:ef9c61f8c49f 2 ******************************************************************************
Kojto 136:ef9c61f8c49f 3 * @file stm32l0xx_ll_i2c.h
Kojto 136:ef9c61f8c49f 4 * @author MCD Application Team
Kojto 136:ef9c61f8c49f 5 * @version V1.7.0
Kojto 136:ef9c61f8c49f 6 * @date 31-May-2016
Kojto 136:ef9c61f8c49f 7 * @brief Header file of I2C LL module.
Kojto 136:ef9c61f8c49f 8 ******************************************************************************
Kojto 136:ef9c61f8c49f 9 * @attention
Kojto 136:ef9c61f8c49f 10 *
Kojto 136:ef9c61f8c49f 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
Kojto 136:ef9c61f8c49f 12 *
Kojto 136:ef9c61f8c49f 13 * Redistribution and use in source and binary forms, with or without modification,
Kojto 136:ef9c61f8c49f 14 * are permitted provided that the following conditions are met:
Kojto 136:ef9c61f8c49f 15 * 1. Redistributions of source code must retain the above copyright notice,
Kojto 136:ef9c61f8c49f 16 * this list of conditions and the following disclaimer.
Kojto 136:ef9c61f8c49f 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
Kojto 136:ef9c61f8c49f 18 * this list of conditions and the following disclaimer in the documentation
Kojto 136:ef9c61f8c49f 19 * and/or other materials provided with the distribution.
Kojto 136:ef9c61f8c49f 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Kojto 136:ef9c61f8c49f 21 * may be used to endorse or promote products derived from this software
Kojto 136:ef9c61f8c49f 22 * without specific prior written permission.
Kojto 136:ef9c61f8c49f 23 *
Kojto 136:ef9c61f8c49f 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 136:ef9c61f8c49f 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 136:ef9c61f8c49f 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Kojto 136:ef9c61f8c49f 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Kojto 136:ef9c61f8c49f 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Kojto 136:ef9c61f8c49f 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Kojto 136:ef9c61f8c49f 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Kojto 136:ef9c61f8c49f 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Kojto 136:ef9c61f8c49f 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Kojto 136:ef9c61f8c49f 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Kojto 136:ef9c61f8c49f 34 *
Kojto 136:ef9c61f8c49f 35 ******************************************************************************
Kojto 136:ef9c61f8c49f 36 */
Kojto 136:ef9c61f8c49f 37
Kojto 136:ef9c61f8c49f 38 /* Define to prevent recursive inclusion -------------------------------------*/
Kojto 136:ef9c61f8c49f 39 #ifndef __STM32L0xx_LL_I2C_H
Kojto 136:ef9c61f8c49f 40 #define __STM32L0xx_LL_I2C_H
Kojto 136:ef9c61f8c49f 41
Kojto 136:ef9c61f8c49f 42 #ifdef __cplusplus
Kojto 136:ef9c61f8c49f 43 extern "C" {
Kojto 136:ef9c61f8c49f 44 #endif
Kojto 136:ef9c61f8c49f 45
Kojto 136:ef9c61f8c49f 46 /* Includes ------------------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 47 #include "stm32l0xx.h"
Kojto 136:ef9c61f8c49f 48
Kojto 136:ef9c61f8c49f 49 /** @addtogroup STM32L0xx_LL_Driver
Kojto 136:ef9c61f8c49f 50 * @{
Kojto 136:ef9c61f8c49f 51 */
Kojto 136:ef9c61f8c49f 52
Kojto 136:ef9c61f8c49f 53 #if defined (I2C1) || defined (I2C2) || defined (I2C3)
Kojto 136:ef9c61f8c49f 54
Kojto 136:ef9c61f8c49f 55 /** @defgroup I2C_LL I2C
Kojto 136:ef9c61f8c49f 56 * @{
Kojto 136:ef9c61f8c49f 57 */
Kojto 136:ef9c61f8c49f 58
Kojto 136:ef9c61f8c49f 59 /* Private types -------------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 60 /* Private variables ---------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 61
Kojto 136:ef9c61f8c49f 62 /* Private constants ---------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 63 /** @defgroup I2C_LL_Private_Constants I2C Private Constants
Kojto 136:ef9c61f8c49f 64 * @{
Kojto 136:ef9c61f8c49f 65 */
Kojto 136:ef9c61f8c49f 66 /* Defines used for the bit position in the register and perform offsets */
Kojto 136:ef9c61f8c49f 67 #define I2C_POSITION_CR1_DNF (uint32_t)8U
Kojto 136:ef9c61f8c49f 68 #define I2C_POSITION_CR2_NBYTES (uint32_t)16U
Kojto 136:ef9c61f8c49f 69 #define I2C_POSITION_TIMINGR_PRESC (uint32_t)28U
Kojto 136:ef9c61f8c49f 70 #define I2C_POSITION_TIMINGR_SCLDEL (uint32_t)20U
Kojto 136:ef9c61f8c49f 71 #define I2C_POSITION_TIMINGR_SDADEL (uint32_t)16U
Kojto 136:ef9c61f8c49f 72 #define I2C_POSITION_TIMINGR_SCLH (uint32_t)8U
Kojto 136:ef9c61f8c49f 73 #define I2C_POSITION_TIMINGR_SCLL (uint32_t)0U
Kojto 136:ef9c61f8c49f 74 #define I2C_POSITION_ISR_ADDCODE (uint32_t)17U
Kojto 136:ef9c61f8c49f 75 #define I2C_POSITION_TIMEOUTR_TIMEOUTB (uint32_t)16U
Kojto 136:ef9c61f8c49f 76 /**
Kojto 136:ef9c61f8c49f 77 * @}
Kojto 136:ef9c61f8c49f 78 */
Kojto 136:ef9c61f8c49f 79
Kojto 136:ef9c61f8c49f 80 /* Private macros ------------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 81 #if defined(USE_FULL_LL_DRIVER)
Kojto 136:ef9c61f8c49f 82 /** @defgroup I2C_LL_Private_Macros I2C Private Macros
Kojto 136:ef9c61f8c49f 83 * @{
Kojto 136:ef9c61f8c49f 84 */
Kojto 136:ef9c61f8c49f 85 /**
Kojto 136:ef9c61f8c49f 86 * @}
Kojto 136:ef9c61f8c49f 87 */
Kojto 136:ef9c61f8c49f 88 #endif /*USE_FULL_LL_DRIVER*/
Kojto 136:ef9c61f8c49f 89
Kojto 136:ef9c61f8c49f 90 /* Exported types ------------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 91 #if defined(USE_FULL_LL_DRIVER)
Kojto 136:ef9c61f8c49f 92 /** @defgroup I2C_LL_ES_INIT I2C Exported Init structure
Kojto 136:ef9c61f8c49f 93 * @{
Kojto 136:ef9c61f8c49f 94 */
Kojto 136:ef9c61f8c49f 95 typedef struct
Kojto 136:ef9c61f8c49f 96 {
Kojto 136:ef9c61f8c49f 97 uint32_t PeripheralMode; /*!< Specifies the peripheral mode.
Kojto 136:ef9c61f8c49f 98 This parameter can be a value of @ref I2C_LL_EC_PERIPHERAL_MODE
Kojto 136:ef9c61f8c49f 99
Kojto 136:ef9c61f8c49f 100 This feature can be modified afterwards using unitary function @ref LL_I2C_SetMode(). */
Kojto 136:ef9c61f8c49f 101
Kojto 136:ef9c61f8c49f 102 uint32_t Timing; /*!< Specifies the SDA setup, hold time and the SCL high, low period values.
Kojto 136:ef9c61f8c49f 103 This parameter must be set by referring to the STM32CubeMX Tool and
Kojto 136:ef9c61f8c49f 104 the helper macro @ref __LL_I2C_CONVERT_TIMINGS()
Kojto 136:ef9c61f8c49f 105
Kojto 136:ef9c61f8c49f 106 This feature can be modified afterwards using unitary function @ref LL_I2C_SetTiming(). */
Kojto 136:ef9c61f8c49f 107
Kojto 136:ef9c61f8c49f 108 uint32_t AnalogFilter; /*!< Enables or disables analog noise filter.
Kojto 136:ef9c61f8c49f 109 This parameter can be a value of @ref I2C_LL_EC_ANALOGFILTER_SELECTION
Kojto 136:ef9c61f8c49f 110
Kojto 136:ef9c61f8c49f 111 This feature can be modified afterwards using unitary functions @ref LL_I2C_EnableAnalogFilter() or LL_I2C_DisableAnalogFilter(). */
Kojto 136:ef9c61f8c49f 112
Kojto 136:ef9c61f8c49f 113 uint32_t DigitalFilter; /*!< Configures the digital noise filter.
Kojto 136:ef9c61f8c49f 114 This parameter can be a number between Min_Data = 0x00 and Max_Data = 0x0F
Kojto 136:ef9c61f8c49f 115
Kojto 136:ef9c61f8c49f 116 This feature can be modified afterwards using unitary function @ref LL_I2C_SetDigitalFilter(). */
Kojto 136:ef9c61f8c49f 117
Kojto 136:ef9c61f8c49f 118 uint32_t OwnAddress1; /*!< Specifies the device own address 1.
Kojto 136:ef9c61f8c49f 119 This parameter must be a value between Min_Data = 0x00 and Max_Data = 0x3FF
Kojto 136:ef9c61f8c49f 120
Kojto 136:ef9c61f8c49f 121 This feature can be modified afterwards using unitary function @ref LL_I2C_SetOwnAddress1(). */
Kojto 136:ef9c61f8c49f 122
Kojto 136:ef9c61f8c49f 123 uint32_t TypeAcknowledge; /*!< Specifies the ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte.
Kojto 136:ef9c61f8c49f 124 This parameter can be a value of @ref I2C_LL_EC_I2C_ACKNOWLEDGE
Kojto 136:ef9c61f8c49f 125
Kojto 136:ef9c61f8c49f 126 This feature can be modified afterwards using unitary function @ref LL_I2C_AcknowledgeNextData(). */
Kojto 136:ef9c61f8c49f 127
Kojto 136:ef9c61f8c49f 128 uint32_t OwnAddrSize; /*!< Specifies the device own address 1 size (7-bit or 10-bit).
Kojto 136:ef9c61f8c49f 129 This parameter can be a value of @ref I2C_LL_EC_OWNADDRESS1
Kojto 136:ef9c61f8c49f 130
Kojto 136:ef9c61f8c49f 131 This feature can be modified afterwards using unitary function @ref LL_I2C_SetOwnAddress1(). */
Kojto 136:ef9c61f8c49f 132 } LL_I2C_InitTypeDef;
Kojto 136:ef9c61f8c49f 133 /**
Kojto 136:ef9c61f8c49f 134 * @}
Kojto 136:ef9c61f8c49f 135 */
Kojto 136:ef9c61f8c49f 136 #endif /*USE_FULL_LL_DRIVER*/
Kojto 136:ef9c61f8c49f 137
Kojto 136:ef9c61f8c49f 138 /* Exported constants --------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 139 /** @defgroup I2C_LL_Exported_Constants I2C Exported Constants
Kojto 136:ef9c61f8c49f 140 * @{
Kojto 136:ef9c61f8c49f 141 */
Kojto 136:ef9c61f8c49f 142
Kojto 136:ef9c61f8c49f 143 /** @defgroup I2C_LL_EC_CLEAR_FLAG Clear Flags Defines
Kojto 136:ef9c61f8c49f 144 * @brief Flags defines which can be used with LL_I2C_WriteReg function
Kojto 136:ef9c61f8c49f 145 * @{
Kojto 136:ef9c61f8c49f 146 */
Kojto 136:ef9c61f8c49f 147 #define LL_I2C_ICR_ADDRCF I2C_ICR_ADDRCF /*!< Address Matched flag */
Kojto 136:ef9c61f8c49f 148 #define LL_I2C_ICR_NACKCF I2C_ICR_NACKCF /*!< Not Acknowledge flag */
Kojto 136:ef9c61f8c49f 149 #define LL_I2C_ICR_STOPCF I2C_ICR_STOPCF /*!< Stop detection flag */
Kojto 136:ef9c61f8c49f 150 #define LL_I2C_ICR_BERRCF I2C_ICR_BERRCF /*!< Bus error flag */
Kojto 136:ef9c61f8c49f 151 #define LL_I2C_ICR_ARLOCF I2C_ICR_ARLOCF /*!< Arbitration Lost flag */
Kojto 136:ef9c61f8c49f 152 #define LL_I2C_ICR_OVRCF I2C_ICR_OVRCF /*!< Overrun/Underrun flag */
Kojto 136:ef9c61f8c49f 153 #define LL_I2C_ICR_PECCF I2C_ICR_PECCF /*!< PEC error flag */
Kojto 136:ef9c61f8c49f 154 #define LL_I2C_ICR_TIMOUTCF I2C_ICR_TIMOUTCF /*!< Timeout detection flag */
Kojto 136:ef9c61f8c49f 155 #define LL_I2C_ICR_ALERTCF I2C_ICR_ALERTCF /*!< Alert flag */
Kojto 136:ef9c61f8c49f 156 /**
Kojto 136:ef9c61f8c49f 157 * @}
Kojto 136:ef9c61f8c49f 158 */
Kojto 136:ef9c61f8c49f 159
Kojto 136:ef9c61f8c49f 160 /** @defgroup I2C_LL_EC_GET_FLAG Get Flags Defines
Kojto 136:ef9c61f8c49f 161 * @brief Flags defines which can be used with LL_I2C_ReadReg function
Kojto 136:ef9c61f8c49f 162 * @{
Kojto 136:ef9c61f8c49f 163 */
Kojto 136:ef9c61f8c49f 164 #define LL_I2C_ISR_TXE I2C_ISR_TXE /*!< Transmit data register empty */
Kojto 136:ef9c61f8c49f 165 #define LL_I2C_ISR_TXIS I2C_ISR_TXIS /*!< Transmit interrupt status */
Kojto 136:ef9c61f8c49f 166 #define LL_I2C_ISR_RXNE I2C_ISR_RXNE /*!< Receive data register not empty */
Kojto 136:ef9c61f8c49f 167 #define LL_I2C_ISR_ADDR I2C_ISR_ADDR /*!< Address matched (slave mode) */
Kojto 136:ef9c61f8c49f 168 #define LL_I2C_ISR_NACKF I2C_ISR_NACKF /*!< Not Acknowledge received flag */
Kojto 136:ef9c61f8c49f 169 #define LL_I2C_ISR_STOPF I2C_ISR_STOPF /*!< Stop detection flag */
Kojto 136:ef9c61f8c49f 170 #define LL_I2C_ISR_TC I2C_ISR_TC /*!< Transfer Complete (master mode) */
Kojto 136:ef9c61f8c49f 171 #define LL_I2C_ISR_TCR I2C_ISR_TCR /*!< Transfer Complete Reload */
Kojto 136:ef9c61f8c49f 172 #define LL_I2C_ISR_BERR I2C_ISR_BERR /*!< Bus error */
Kojto 136:ef9c61f8c49f 173 #define LL_I2C_ISR_ARLO I2C_ISR_ARLO /*!< Arbitration lost */
Kojto 136:ef9c61f8c49f 174 #define LL_I2C_ISR_OVR I2C_ISR_OVR /*!< Overrun/Underrun (slave mode) */
Kojto 136:ef9c61f8c49f 175 #define LL_I2C_ISR_PECERR I2C_ISR_PECERR /*!< PEC Error in reception (SMBus mode) */
Kojto 136:ef9c61f8c49f 176 #define LL_I2C_ISR_TIMEOUT I2C_ISR_TIMEOUT /*!< Timeout detection flag (SMBus mode) */
Kojto 136:ef9c61f8c49f 177 #define LL_I2C_ISR_ALERT I2C_ISR_ALERT /*!< SMBus alert (SMBus mode) */
Kojto 136:ef9c61f8c49f 178 #define LL_I2C_ISR_BUSY I2C_ISR_BUSY /*!< Bus busy */
Kojto 136:ef9c61f8c49f 179 /**
Kojto 136:ef9c61f8c49f 180 * @}
Kojto 136:ef9c61f8c49f 181 */
Kojto 136:ef9c61f8c49f 182
Kojto 136:ef9c61f8c49f 183 /** @defgroup I2C_LL_EC_IT IT Defines
Kojto 136:ef9c61f8c49f 184 * @brief IT defines which can be used with LL_I2C_ReadReg and LL_I2C_WriteReg functions
Kojto 136:ef9c61f8c49f 185 * @{
Kojto 136:ef9c61f8c49f 186 */
Kojto 136:ef9c61f8c49f 187 #define LL_I2C_CR1_TXIE I2C_CR1_TXIE /*!< TX Interrupt enable */
Kojto 136:ef9c61f8c49f 188 #define LL_I2C_CR1_RXIE I2C_CR1_RXIE /*!< RX Interrupt enable */
Kojto 136:ef9c61f8c49f 189 #define LL_I2C_CR1_ADDRIE I2C_CR1_ADDRIE /*!< Address match Interrupt enable (slave only) */
Kojto 136:ef9c61f8c49f 190 #define LL_I2C_CR1_NACKIE I2C_CR1_NACKIE /*!< Not acknowledge received Interrupt enable */
Kojto 136:ef9c61f8c49f 191 #define LL_I2C_CR1_STOPIE I2C_CR1_STOPIE /*!< STOP detection Interrupt enable */
Kojto 136:ef9c61f8c49f 192 #define LL_I2C_CR1_TCIE I2C_CR1_TCIE /*!< Transfer Complete interrupt enable */
Kojto 136:ef9c61f8c49f 193 #define LL_I2C_CR1_ERRIE I2C_CR1_ERRIE /*!< Error interrupts enable */
Kojto 136:ef9c61f8c49f 194 /**
Kojto 136:ef9c61f8c49f 195 * @}
Kojto 136:ef9c61f8c49f 196 */
Kojto 136:ef9c61f8c49f 197
Kojto 136:ef9c61f8c49f 198 /** @defgroup I2C_LL_EC_PERIPHERAL_MODE Peripheral Mode
Kojto 136:ef9c61f8c49f 199 * @{
Kojto 136:ef9c61f8c49f 200 */
Kojto 136:ef9c61f8c49f 201 #define LL_I2C_MODE_I2C ((uint32_t)0x00000000U) /*!< I2C Master or Slave mode */
Kojto 136:ef9c61f8c49f 202 #define LL_I2C_MODE_SMBUS_HOST I2C_CR1_SMBHEN /*!< SMBus Host address acknowledge */
Kojto 136:ef9c61f8c49f 203 #define LL_I2C_MODE_SMBUS_DEVICE ((uint32_t)0x00000000U) /*!< SMBus Device default mode (Default address not acknowledge) */
Kojto 136:ef9c61f8c49f 204 #define LL_I2C_MODE_SMBUS_DEVICE_ARP I2C_CR1_SMBDEN /*!< SMBus Device Default address acknowledge */
Kojto 136:ef9c61f8c49f 205 /**
Kojto 136:ef9c61f8c49f 206 * @}
Kojto 136:ef9c61f8c49f 207 */
Kojto 136:ef9c61f8c49f 208
Kojto 136:ef9c61f8c49f 209 /** @defgroup I2C_LL_EC_ANALOGFILTER_SELECTION Analog Filter Selection
Kojto 136:ef9c61f8c49f 210 * @{
Kojto 136:ef9c61f8c49f 211 */
Kojto 136:ef9c61f8c49f 212 #define LL_I2C_ANALOGFILTER_ENABLE ((uint32_t)0x00000000U) /*!< Analog filter is enabled. */
Kojto 136:ef9c61f8c49f 213 #define LL_I2C_ANALOGFILTER_DISABLE I2C_CR1_ANFOFF /*!< Analog filter is disabled. */
Kojto 136:ef9c61f8c49f 214 /**
Kojto 136:ef9c61f8c49f 215 * @}
Kojto 136:ef9c61f8c49f 216 */
Kojto 136:ef9c61f8c49f 217
Kojto 136:ef9c61f8c49f 218 /** @defgroup I2C_LL_EC_ADDRESSING_MODE Master Addressing Mode
Kojto 136:ef9c61f8c49f 219 * @{
Kojto 136:ef9c61f8c49f 220 */
Kojto 136:ef9c61f8c49f 221 #define LL_I2C_ADDRESSING_MODE_7BIT ((uint32_t) 0x00000000U) /*!< Master operates in 7-bit addressing mode. */
Kojto 136:ef9c61f8c49f 222 #define LL_I2C_ADDRESSING_MODE_10BIT I2C_CR2_ADD10 /*!< Master operates in 10-bit addressing mode.*/
Kojto 136:ef9c61f8c49f 223 /**
Kojto 136:ef9c61f8c49f 224 * @}
Kojto 136:ef9c61f8c49f 225 */
Kojto 136:ef9c61f8c49f 226
Kojto 136:ef9c61f8c49f 227 /** @defgroup I2C_LL_EC_OWNADDRESS1 Own Address 1 Length
Kojto 136:ef9c61f8c49f 228 * @{
Kojto 136:ef9c61f8c49f 229 */
Kojto 136:ef9c61f8c49f 230 #define LL_I2C_OWNADDRESS1_7BIT ((uint32_t)0x00000000U) /*!< Own address 1 is a 7-bit address. */
Kojto 136:ef9c61f8c49f 231 #define LL_I2C_OWNADDRESS1_10BIT I2C_OAR1_OA1MODE /*!< Own address 1 is a 10-bit address.*/
Kojto 136:ef9c61f8c49f 232 /**
Kojto 136:ef9c61f8c49f 233 * @}
Kojto 136:ef9c61f8c49f 234 */
Kojto 136:ef9c61f8c49f 235
Kojto 136:ef9c61f8c49f 236 /** @defgroup I2C_LL_EC_OWNADDRESS2 Own Address 2 Masks
Kojto 136:ef9c61f8c49f 237 * @{
Kojto 136:ef9c61f8c49f 238 */
Kojto 136:ef9c61f8c49f 239 #define LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK /*!< Own Address2 No mask. */
Kojto 136:ef9c61f8c49f 240 #define LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01 /*!< Only Address2 bits[7:2] are compared. */
Kojto 136:ef9c61f8c49f 241 #define LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02 /*!< Only Address2 bits[7:3] are compared. */
Kojto 136:ef9c61f8c49f 242 #define LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03 /*!< Only Address2 bits[7:4] are compared. */
Kojto 136:ef9c61f8c49f 243 #define LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04 /*!< Only Address2 bits[7:5] are compared. */
Kojto 136:ef9c61f8c49f 244 #define LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05 /*!< Only Address2 bits[7:6] are compared. */
Kojto 136:ef9c61f8c49f 245 #define LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06 /*!< Only Address2 bits[7] are compared. */
Kojto 136:ef9c61f8c49f 246 #define LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07 /*!< No comparison is done. All Address2 are acknowledged.*/
Kojto 136:ef9c61f8c49f 247 /**
Kojto 136:ef9c61f8c49f 248 * @}
Kojto 136:ef9c61f8c49f 249 */
Kojto 136:ef9c61f8c49f 250
Kojto 136:ef9c61f8c49f 251 /** @defgroup I2C_LL_EC_I2C_ACKNOWLEDGE Acknowledge Generation
Kojto 136:ef9c61f8c49f 252 * @{
Kojto 136:ef9c61f8c49f 253 */
Kojto 136:ef9c61f8c49f 254 #define LL_I2C_ACK ((uint32_t) 0x00000000U) /*!< ACK is sent after current received byte. */
Kojto 136:ef9c61f8c49f 255 #define LL_I2C_NACK I2C_CR2_NACK /*!< NACK is sent after current received byte.*/
Kojto 136:ef9c61f8c49f 256 /**
Kojto 136:ef9c61f8c49f 257 * @}
Kojto 136:ef9c61f8c49f 258 */
Kojto 136:ef9c61f8c49f 259
Kojto 136:ef9c61f8c49f 260 /** @defgroup I2C_LL_EC_ADDRSLAVE Slave Address Length
Kojto 136:ef9c61f8c49f 261 * @{
Kojto 136:ef9c61f8c49f 262 */
Kojto 136:ef9c61f8c49f 263 #define LL_I2C_ADDRSLAVE_7BIT ((uint32_t)0x00000000U) /*!< Slave Address in 7-bit. */
Kojto 136:ef9c61f8c49f 264 #define LL_I2C_ADDRSLAVE_10BIT I2C_CR2_ADD10 /*!< Slave Address in 10-bit.*/
Kojto 136:ef9c61f8c49f 265 /**
Kojto 136:ef9c61f8c49f 266 * @}
Kojto 136:ef9c61f8c49f 267 */
Kojto 136:ef9c61f8c49f 268
Kojto 136:ef9c61f8c49f 269 /** @defgroup I2C_LL_EC_REQUEST Transfer Request Direction
Kojto 136:ef9c61f8c49f 270 * @{
Kojto 136:ef9c61f8c49f 271 */
Kojto 136:ef9c61f8c49f 272 #define LL_I2C_REQUEST_WRITE ((uint32_t)0x00000000U) /*!< Master request a write transfer. */
Kojto 136:ef9c61f8c49f 273 #define LL_I2C_REQUEST_READ I2C_CR2_RD_WRN /*!< Master request a read transfer. */
Kojto 136:ef9c61f8c49f 274 /**
Kojto 136:ef9c61f8c49f 275 * @}
Kojto 136:ef9c61f8c49f 276 */
Kojto 136:ef9c61f8c49f 277
Kojto 136:ef9c61f8c49f 278 /** @defgroup I2C_LL_EC_MODE Transfer End Mode
Kojto 136:ef9c61f8c49f 279 * @{
Kojto 136:ef9c61f8c49f 280 */
Kojto 136:ef9c61f8c49f 281 #define LL_I2C_MODE_RELOAD I2C_CR2_RELOAD /*!< Enable I2C Reload mode. */
Kojto 136:ef9c61f8c49f 282 #define LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND /*!< Enable I2C Automatic end mode with no HW PEC comparison. */
Kojto 136:ef9c61f8c49f 283 #define LL_I2C_MODE_SOFTEND ((uint32_t)0x00000000U) /*!< Enable I2C Software end mode with no HW PEC comparison. */
Kojto 136:ef9c61f8c49f 284 #define LL_I2C_MODE_SMBUS_RELOAD LL_I2C_MODE_RELOAD /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */
Kojto 136:ef9c61f8c49f 285 #define LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC LL_I2C_MODE_AUTOEND /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */
Kojto 136:ef9c61f8c49f 286 #define LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC LL_I2C_MODE_SOFTEND /*!< Enable SMBUS Software end mode with HW PEC comparison. */
Kojto 136:ef9c61f8c49f 287 #define LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC (uint32_t)(LL_I2C_MODE_AUTOEND | I2C_CR2_PECBYTE) /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */
Kojto 136:ef9c61f8c49f 288 #define LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC (uint32_t)(LL_I2C_MODE_SOFTEND | I2C_CR2_PECBYTE) /*!< Enable SMBUS Software end mode with HW PEC comparison. */
Kojto 136:ef9c61f8c49f 289 /**
Kojto 136:ef9c61f8c49f 290 * @}
Kojto 136:ef9c61f8c49f 291 */
Kojto 136:ef9c61f8c49f 292
Kojto 136:ef9c61f8c49f 293 /** @defgroup I2C_LL_EC_GENERATE Start And Stop Generation
Kojto 136:ef9c61f8c49f 294 * @{
Kojto 136:ef9c61f8c49f 295 */
Kojto 136:ef9c61f8c49f 296 #define LL_I2C_GENERATE_NOSTARTSTOP ((uint32_t)0x00000000U) /*!< Don't Generate Stop and Start condition. */
Kojto 136:ef9c61f8c49f 297 #define LL_I2C_GENERATE_STOP I2C_CR2_STOP /*!< Generate Stop condition (Size should be set to 0). */
Kojto 136:ef9c61f8c49f 298 #define LL_I2C_GENERATE_START_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) /*!< Generate Start for read request. */
Kojto 136:ef9c61f8c49f 299 #define LL_I2C_GENERATE_START_WRITE I2C_CR2_START /*!< Generate Start for write request. */
Kojto 136:ef9c61f8c49f 300 #define LL_I2C_GENERATE_RESTART_7BIT_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) /*!< Generate Restart for read request, slave 7Bit address. */
Kojto 136:ef9c61f8c49f 301 #define LL_I2C_GENERATE_RESTART_7BIT_WRITE I2C_CR2_START /*!< Generate Restart for write request, slave 7Bit address. */
Kojto 136:ef9c61f8c49f 302 #define LL_I2C_GENERATE_RESTART_10BIT_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN | I2C_CR2_HEAD10R) /*!< Generate Restart for read request, slave 10Bit address. */
Kojto 136:ef9c61f8c49f 303 #define LL_I2C_GENERATE_RESTART_10BIT_WRITE I2C_CR2_START /*!< Generate Restart for write request, slave 10Bit address.*/
Kojto 136:ef9c61f8c49f 304 /**
Kojto 136:ef9c61f8c49f 305 * @}
Kojto 136:ef9c61f8c49f 306 */
Kojto 136:ef9c61f8c49f 307
Kojto 136:ef9c61f8c49f 308 /** @defgroup I2C_LL_EC_DIRECTION Read Write Direction
Kojto 136:ef9c61f8c49f 309 * @{
Kojto 136:ef9c61f8c49f 310 */
Kojto 136:ef9c61f8c49f 311 #define LL_I2C_DIRECTION_WRITE ((uint32_t)0x00000000U) /*!< Write transfer request by master, slave enters receiver mode. */
Kojto 136:ef9c61f8c49f 312 #define LL_I2C_DIRECTION_READ I2C_ISR_DIR /*!< Read transfer request by master, slave enters transmitter mode.*/
Kojto 136:ef9c61f8c49f 313 /**
Kojto 136:ef9c61f8c49f 314 * @}
Kojto 136:ef9c61f8c49f 315 */
Kojto 136:ef9c61f8c49f 316
Kojto 136:ef9c61f8c49f 317 /** @defgroup I2C_LL_EC_DMA_REG_DATA DMA Register Data
Kojto 136:ef9c61f8c49f 318 * @{
Kojto 136:ef9c61f8c49f 319 */
Kojto 136:ef9c61f8c49f 320 #define LL_I2C_DMA_REG_DATA_TRANSMIT ((uint32_t)0x00000000U) /*!< Get address of data register used for transmission */
Kojto 136:ef9c61f8c49f 321 #define LL_I2C_DMA_REG_DATA_RECEIVE ((uint32_t)0x00000001U) /*!< Get address of data register used for reception */
Kojto 136:ef9c61f8c49f 322 /**
Kojto 136:ef9c61f8c49f 323 * @}
Kojto 136:ef9c61f8c49f 324 */
Kojto 136:ef9c61f8c49f 325
Kojto 136:ef9c61f8c49f 326 /** @defgroup I2C_LL_EC_SMBUS_TIMEOUTA_MODE SMBus TimeoutA Mode SCL SDA Timeout
Kojto 136:ef9c61f8c49f 327 * @{
Kojto 136:ef9c61f8c49f 328 */
Kojto 136:ef9c61f8c49f 329 #define LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW ((uint32_t) 0x00000000U) /*!< TimeoutA is used to detect SCL low level timeout. */
Kojto 136:ef9c61f8c49f 330 #define LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH I2C_TIMEOUTR_TIDLE /*!< TimeoutA is used to detect both SCL and SDA high level timeout.*/
Kojto 136:ef9c61f8c49f 331 /**
Kojto 136:ef9c61f8c49f 332 * @}
Kojto 136:ef9c61f8c49f 333 */
Kojto 136:ef9c61f8c49f 334
Kojto 136:ef9c61f8c49f 335 /** @defgroup I2C_LL_EC_SMBUS_TIMEOUT_SELECTION SMBus Timeout Selection
Kojto 136:ef9c61f8c49f 336 * @{
Kojto 136:ef9c61f8c49f 337 */
Kojto 136:ef9c61f8c49f 338 #define LL_I2C_SMBUS_TIMEOUTA I2C_TIMEOUTR_TIMOUTEN /*!< TimeoutA enable bit */
Kojto 136:ef9c61f8c49f 339 #define LL_I2C_SMBUS_TIMEOUTB I2C_TIMEOUTR_TEXTEN /*!< TimeoutB (extended clock) enable bit */
Kojto 136:ef9c61f8c49f 340 #define LL_I2C_SMBUS_ALL_TIMEOUT (uint32_t)(I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN) /*!< TimeoutA and TimeoutB (extended clock) enable bits */
Kojto 136:ef9c61f8c49f 341 /**
Kojto 136:ef9c61f8c49f 342 * @}
Kojto 136:ef9c61f8c49f 343 */
Kojto 136:ef9c61f8c49f 344
Kojto 136:ef9c61f8c49f 345 /**
Kojto 136:ef9c61f8c49f 346 * @}
Kojto 136:ef9c61f8c49f 347 */
Kojto 136:ef9c61f8c49f 348
Kojto 136:ef9c61f8c49f 349 /* Exported macro ------------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 350 /** @defgroup I2C_LL_Exported_Macros I2C Exported Macros
Kojto 136:ef9c61f8c49f 351 * @{
Kojto 136:ef9c61f8c49f 352 */
Kojto 136:ef9c61f8c49f 353
Kojto 136:ef9c61f8c49f 354 /** @defgroup I2C_LL_EM_WRITE_READ Common Write and read registers Macros
Kojto 136:ef9c61f8c49f 355 * @{
Kojto 136:ef9c61f8c49f 356 */
Kojto 136:ef9c61f8c49f 357
Kojto 136:ef9c61f8c49f 358 /**
Kojto 136:ef9c61f8c49f 359 * @brief Write a value in I2C register
Kojto 136:ef9c61f8c49f 360 * @param __INSTANCE__ I2C Instance
Kojto 136:ef9c61f8c49f 361 * @param __REG__ Register to be written
Kojto 136:ef9c61f8c49f 362 * @param __VALUE__ Value to be written in the register
Kojto 136:ef9c61f8c49f 363 * @retval None
Kojto 136:ef9c61f8c49f 364 */
Kojto 136:ef9c61f8c49f 365 #define LL_I2C_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
Kojto 136:ef9c61f8c49f 366
Kojto 136:ef9c61f8c49f 367 /**
Kojto 136:ef9c61f8c49f 368 * @brief Read a value in I2C register
Kojto 136:ef9c61f8c49f 369 * @param __INSTANCE__ I2C Instance
Kojto 136:ef9c61f8c49f 370 * @param __REG__ Register to be read
Kojto 136:ef9c61f8c49f 371 * @retval Register value
Kojto 136:ef9c61f8c49f 372 */
Kojto 136:ef9c61f8c49f 373 #define LL_I2C_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
Kojto 136:ef9c61f8c49f 374 /**
Kojto 136:ef9c61f8c49f 375 * @}
Kojto 136:ef9c61f8c49f 376 */
Kojto 136:ef9c61f8c49f 377
Kojto 136:ef9c61f8c49f 378 /** @defgroup I2C_LL_EM_CONVERT_TIMINGS Convert SDA SCL timings
Kojto 136:ef9c61f8c49f 379 * @{
Kojto 136:ef9c61f8c49f 380 */
Kojto 136:ef9c61f8c49f 381 /**
Kojto 136:ef9c61f8c49f 382 * @brief Configure the SDA setup, hold time and the SCL high, low period.
Kojto 136:ef9c61f8c49f 383 * @param __PRESCALER__ This parameter must be a value between 0 and 0xF.
Kojto 136:ef9c61f8c49f 384 * @param __DATA_SETUP_TIME__ This parameter must be a value between 0 and 0xF. (tscldel = (SCLDEL+1)xtpresc)
Kojto 136:ef9c61f8c49f 385 * @param __DATA_HOLD_TIME__ This parameter must be a value between 0 and 0xF. (tsdadel = SDADELxtpresc)
Kojto 136:ef9c61f8c49f 386 * @param __CLOCK_HIGH_PERIOD__ This parameter must be a value between 0 and 0xFF. (tsclh = (SCLH+1)xtpresc)
Kojto 136:ef9c61f8c49f 387 * @param __CLOCK_LOW_PERIOD__ This parameter must be a value between 0 and 0xFF. (tscll = (SCLL+1)xtpresc)
Kojto 136:ef9c61f8c49f 388 * @retval Value between 0 and 0xFFFFFFFF
Kojto 136:ef9c61f8c49f 389 */
Kojto 136:ef9c61f8c49f 390 #define __LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __DATA_SETUP_TIME__, __DATA_HOLD_TIME__, __CLOCK_HIGH_PERIOD__, __CLOCK_LOW_PERIOD__) \
Kojto 136:ef9c61f8c49f 391 ((((uint32_t)(__PRESCALER__) << I2C_POSITION_TIMINGR_PRESC) & I2C_TIMINGR_PRESC) | \
Kojto 136:ef9c61f8c49f 392 (((uint32_t)(__DATA_SETUP_TIME__) << I2C_POSITION_TIMINGR_SCLDEL) & I2C_TIMINGR_SCLDEL) | \
Kojto 136:ef9c61f8c49f 393 (((uint32_t)(__DATA_HOLD_TIME__) << I2C_POSITION_TIMINGR_SDADEL) & I2C_TIMINGR_SDADEL) | \
Kojto 136:ef9c61f8c49f 394 (((uint32_t)(__CLOCK_HIGH_PERIOD__) << I2C_POSITION_TIMINGR_SCLH) & I2C_TIMINGR_SCLH) | \
Kojto 136:ef9c61f8c49f 395 (((uint32_t)(__CLOCK_LOW_PERIOD__) << I2C_POSITION_TIMINGR_SCLL) & I2C_TIMINGR_SCLL))
Kojto 136:ef9c61f8c49f 396 /**
Kojto 136:ef9c61f8c49f 397 * @}
Kojto 136:ef9c61f8c49f 398 */
Kojto 136:ef9c61f8c49f 399
Kojto 136:ef9c61f8c49f 400 /**
Kojto 136:ef9c61f8c49f 401 * @}
Kojto 136:ef9c61f8c49f 402 */
Kojto 136:ef9c61f8c49f 403
Kojto 136:ef9c61f8c49f 404 /* Exported functions --------------------------------------------------------*/
Kojto 136:ef9c61f8c49f 405 /** @defgroup I2C_LL_Exported_Functions I2C Exported Functions
Kojto 136:ef9c61f8c49f 406 * @{
Kojto 136:ef9c61f8c49f 407 */
Kojto 136:ef9c61f8c49f 408
Kojto 136:ef9c61f8c49f 409 /** @defgroup I2C_LL_EF_Configuration Configuration
Kojto 136:ef9c61f8c49f 410 * @{
Kojto 136:ef9c61f8c49f 411 */
Kojto 136:ef9c61f8c49f 412
Kojto 136:ef9c61f8c49f 413 /**
Kojto 136:ef9c61f8c49f 414 * @brief Enable I2C peripheral (PE = 1).
Kojto 136:ef9c61f8c49f 415 * @rmtoll CR1 PE LL_I2C_Enable
Kojto 136:ef9c61f8c49f 416 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 417 * @retval None
Kojto 136:ef9c61f8c49f 418 */
Kojto 136:ef9c61f8c49f 419 __STATIC_INLINE void LL_I2C_Enable(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 420 {
Kojto 136:ef9c61f8c49f 421 SET_BIT(I2Cx->CR1, I2C_CR1_PE);
Kojto 136:ef9c61f8c49f 422 }
Kojto 136:ef9c61f8c49f 423
Kojto 136:ef9c61f8c49f 424 /**
Kojto 136:ef9c61f8c49f 425 * @brief Disable I2C peripheral (PE = 0).
Kojto 136:ef9c61f8c49f 426 * @note When PE = 0, the I2C SCL and SDA lines are released.
Kojto 136:ef9c61f8c49f 427 * Internal state machines and status bits are put back to their reset value.
Kojto 136:ef9c61f8c49f 428 * When cleared, PE must be kept low for at least 3 APB clock cycles.
Kojto 136:ef9c61f8c49f 429 * @rmtoll CR1 PE LL_I2C_Disable
Kojto 136:ef9c61f8c49f 430 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 431 * @retval None
Kojto 136:ef9c61f8c49f 432 */
Kojto 136:ef9c61f8c49f 433 __STATIC_INLINE void LL_I2C_Disable(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 434 {
Kojto 136:ef9c61f8c49f 435 CLEAR_BIT(I2Cx->CR1, I2C_CR1_PE);
Kojto 136:ef9c61f8c49f 436 }
Kojto 136:ef9c61f8c49f 437
Kojto 136:ef9c61f8c49f 438 /**
Kojto 136:ef9c61f8c49f 439 * @brief Check if the I2C peripheral is enabled or disabled.
Kojto 136:ef9c61f8c49f 440 * @rmtoll CR1 PE LL_I2C_IsEnabled
Kojto 136:ef9c61f8c49f 441 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 442 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 443 */
Kojto 136:ef9c61f8c49f 444 __STATIC_INLINE uint32_t LL_I2C_IsEnabled(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 445 {
Kojto 136:ef9c61f8c49f 446 return (READ_BIT(I2Cx->CR1, I2C_CR1_PE) == (I2C_CR1_PE));
Kojto 136:ef9c61f8c49f 447 }
Kojto 136:ef9c61f8c49f 448
Kojto 136:ef9c61f8c49f 449 /**
Kojto 136:ef9c61f8c49f 450 * @brief Configure Noise Filters (Analog and Digital).
Kojto 136:ef9c61f8c49f 451 * @note If the analog filter is also enabled, the digital filter is added to analog filter.
Kojto 136:ef9c61f8c49f 452 * The filters can only be programmed when the I2C is disabled (PE = 0).
Kojto 136:ef9c61f8c49f 453 * @rmtoll CR1 ANFOFF LL_I2C_ConfigFilters\n
Kojto 136:ef9c61f8c49f 454 * CR1 DNF LL_I2C_ConfigFilters
Kojto 136:ef9c61f8c49f 455 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 456 * @param AnalogFilter This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 457 * @arg @ref LL_I2C_ANALOGFILTER_ENABLE
Kojto 136:ef9c61f8c49f 458 * @arg @ref LL_I2C_ANALOGFILTER_DISABLE
Kojto 136:ef9c61f8c49f 459 * @param DigitalFilter This parameter must be a value between 0x00 (Digital filter disabled) and 0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk).
Kojto 136:ef9c61f8c49f 460 * This parameter is used to configure the digital noise filter on SDA and SCL input.
Kojto 136:ef9c61f8c49f 461 * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk.
Kojto 136:ef9c61f8c49f 462 * @retval None
Kojto 136:ef9c61f8c49f 463 */
Kojto 136:ef9c61f8c49f 464 __STATIC_INLINE void LL_I2C_ConfigFilters(I2C_TypeDef *I2Cx, uint32_t AnalogFilter, uint32_t DigitalFilter)
Kojto 136:ef9c61f8c49f 465 {
Kojto 136:ef9c61f8c49f 466 MODIFY_REG(I2Cx->CR1, I2C_CR1_ANFOFF | I2C_CR1_DNF, AnalogFilter | (DigitalFilter << I2C_POSITION_CR1_DNF));
Kojto 136:ef9c61f8c49f 467 }
Kojto 136:ef9c61f8c49f 468
Kojto 136:ef9c61f8c49f 469 /**
Kojto 136:ef9c61f8c49f 470 * @brief Configure Digital Noise Filter.
Kojto 136:ef9c61f8c49f 471 * @note If the analog filter is also enabled, the digital filter is added to analog filter.
Kojto 136:ef9c61f8c49f 472 * This filter can only be programmed when the I2C is disabled (PE = 0).
Kojto 136:ef9c61f8c49f 473 * @rmtoll CR1 DNF LL_I2C_SetDigitalFilter
Kojto 136:ef9c61f8c49f 474 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 475 * @param DigitalFilter This parameter must be a value between 0x00 (Digital filter disabled) and 0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk).
Kojto 136:ef9c61f8c49f 476 * This parameter is used to configure the digital noise filter on SDA and SCL input.
Kojto 136:ef9c61f8c49f 477 * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk.
Kojto 136:ef9c61f8c49f 478 * @retval None
Kojto 136:ef9c61f8c49f 479 */
Kojto 136:ef9c61f8c49f 480 __STATIC_INLINE void LL_I2C_SetDigitalFilter(I2C_TypeDef *I2Cx, uint32_t DigitalFilter)
Kojto 136:ef9c61f8c49f 481 {
Kojto 136:ef9c61f8c49f 482 MODIFY_REG(I2Cx->CR1, I2C_CR1_DNF, DigitalFilter << I2C_POSITION_CR1_DNF);
Kojto 136:ef9c61f8c49f 483 }
Kojto 136:ef9c61f8c49f 484
Kojto 136:ef9c61f8c49f 485 /**
Kojto 136:ef9c61f8c49f 486 * @brief Get the current Digital Noise Filter configuration.
Kojto 136:ef9c61f8c49f 487 * @rmtoll CR1 DNF LL_I2C_GetDigitalFilter
Kojto 136:ef9c61f8c49f 488 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 489 * @retval Value between Min_Data=0x0 and Max_Data=0xF
Kojto 136:ef9c61f8c49f 490 */
Kojto 136:ef9c61f8c49f 491 __STATIC_INLINE uint32_t LL_I2C_GetDigitalFilter(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 492 {
Kojto 136:ef9c61f8c49f 493 return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_DNF) >> I2C_POSITION_CR1_DNF);
Kojto 136:ef9c61f8c49f 494 }
Kojto 136:ef9c61f8c49f 495
Kojto 136:ef9c61f8c49f 496 /**
Kojto 136:ef9c61f8c49f 497 * @brief Enable Analog Noise Filter.
Kojto 136:ef9c61f8c49f 498 * @note This filter can only be programmed when the I2C is disabled (PE = 0).
Kojto 136:ef9c61f8c49f 499 * @rmtoll CR1 ANFOFF LL_I2C_EnableAnalogFilter
Kojto 136:ef9c61f8c49f 500 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 501 * @retval None
Kojto 136:ef9c61f8c49f 502 */
Kojto 136:ef9c61f8c49f 503 __STATIC_INLINE void LL_I2C_EnableAnalogFilter(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 504 {
Kojto 136:ef9c61f8c49f 505 CLEAR_BIT(I2Cx->CR1, I2C_CR1_ANFOFF);
Kojto 136:ef9c61f8c49f 506 }
Kojto 136:ef9c61f8c49f 507
Kojto 136:ef9c61f8c49f 508 /**
Kojto 136:ef9c61f8c49f 509 * @brief Disable Analog Noise Filter.
Kojto 136:ef9c61f8c49f 510 * @note This filter can only be programmed when the I2C is disabled (PE = 0).
Kojto 136:ef9c61f8c49f 511 * @rmtoll CR1 ANFOFF LL_I2C_DisableAnalogFilter
Kojto 136:ef9c61f8c49f 512 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 513 * @retval None
Kojto 136:ef9c61f8c49f 514 */
Kojto 136:ef9c61f8c49f 515 __STATIC_INLINE void LL_I2C_DisableAnalogFilter(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 516 {
Kojto 136:ef9c61f8c49f 517 SET_BIT(I2Cx->CR1, I2C_CR1_ANFOFF);
Kojto 136:ef9c61f8c49f 518 }
Kojto 136:ef9c61f8c49f 519
Kojto 136:ef9c61f8c49f 520 /**
Kojto 136:ef9c61f8c49f 521 * @brief Check if Analog Noise Filter is enabled or disabled.
Kojto 136:ef9c61f8c49f 522 * @rmtoll CR1 ANFOFF LL_I2C_IsEnabledAnalogFilter
Kojto 136:ef9c61f8c49f 523 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 524 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 525 */
Kojto 136:ef9c61f8c49f 526 __STATIC_INLINE uint32_t LL_I2C_IsEnabledAnalogFilter(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 527 {
Kojto 136:ef9c61f8c49f 528 return (READ_BIT(I2Cx->CR1, I2C_CR1_ANFOFF) != (I2C_CR1_ANFOFF));
Kojto 136:ef9c61f8c49f 529 }
Kojto 136:ef9c61f8c49f 530
Kojto 136:ef9c61f8c49f 531 /**
Kojto 136:ef9c61f8c49f 532 * @brief Enable DMA transmission requests.
Kojto 136:ef9c61f8c49f 533 * @rmtoll CR1 TXDMAEN LL_I2C_EnableDMAReq_TX
Kojto 136:ef9c61f8c49f 534 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 535 * @retval None
Kojto 136:ef9c61f8c49f 536 */
Kojto 136:ef9c61f8c49f 537 __STATIC_INLINE void LL_I2C_EnableDMAReq_TX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 538 {
Kojto 136:ef9c61f8c49f 539 SET_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN);
Kojto 136:ef9c61f8c49f 540 }
Kojto 136:ef9c61f8c49f 541
Kojto 136:ef9c61f8c49f 542 /**
Kojto 136:ef9c61f8c49f 543 * @brief Disable DMA transmission requests.
Kojto 136:ef9c61f8c49f 544 * @rmtoll CR1 TXDMAEN LL_I2C_DisableDMAReq_TX
Kojto 136:ef9c61f8c49f 545 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 546 * @retval None
Kojto 136:ef9c61f8c49f 547 */
Kojto 136:ef9c61f8c49f 548 __STATIC_INLINE void LL_I2C_DisableDMAReq_TX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 549 {
Kojto 136:ef9c61f8c49f 550 CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN);
Kojto 136:ef9c61f8c49f 551 }
Kojto 136:ef9c61f8c49f 552
Kojto 136:ef9c61f8c49f 553 /**
Kojto 136:ef9c61f8c49f 554 * @brief Check if DMA transmission requests are enabled or disabled.
Kojto 136:ef9c61f8c49f 555 * @rmtoll CR1 TXDMAEN LL_I2C_IsEnabledDMAReq_TX
Kojto 136:ef9c61f8c49f 556 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 557 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 558 */
Kojto 136:ef9c61f8c49f 559 __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_TX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 560 {
Kojto 136:ef9c61f8c49f 561 return (READ_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN) == (I2C_CR1_TXDMAEN));
Kojto 136:ef9c61f8c49f 562 }
Kojto 136:ef9c61f8c49f 563
Kojto 136:ef9c61f8c49f 564 /**
Kojto 136:ef9c61f8c49f 565 * @brief Enable DMA reception requests.
Kojto 136:ef9c61f8c49f 566 * @rmtoll CR1 RXDMAEN LL_I2C_EnableDMAReq_RX
Kojto 136:ef9c61f8c49f 567 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 568 * @retval None
Kojto 136:ef9c61f8c49f 569 */
Kojto 136:ef9c61f8c49f 570 __STATIC_INLINE void LL_I2C_EnableDMAReq_RX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 571 {
Kojto 136:ef9c61f8c49f 572 SET_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN);
Kojto 136:ef9c61f8c49f 573 }
Kojto 136:ef9c61f8c49f 574
Kojto 136:ef9c61f8c49f 575 /**
Kojto 136:ef9c61f8c49f 576 * @brief Disable DMA reception requests.
Kojto 136:ef9c61f8c49f 577 * @rmtoll CR1 RXDMAEN LL_I2C_DisableDMAReq_RX
Kojto 136:ef9c61f8c49f 578 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 579 * @retval None
Kojto 136:ef9c61f8c49f 580 */
Kojto 136:ef9c61f8c49f 581 __STATIC_INLINE void LL_I2C_DisableDMAReq_RX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 582 {
Kojto 136:ef9c61f8c49f 583 CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN);
Kojto 136:ef9c61f8c49f 584 }
Kojto 136:ef9c61f8c49f 585
Kojto 136:ef9c61f8c49f 586 /**
Kojto 136:ef9c61f8c49f 587 * @brief Check if DMA reception requests are enabled or disabled.
Kojto 136:ef9c61f8c49f 588 * @rmtoll CR1 RXDMAEN LL_I2C_IsEnabledDMAReq_RX
Kojto 136:ef9c61f8c49f 589 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 590 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 591 */
Kojto 136:ef9c61f8c49f 592 __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 593 {
Kojto 136:ef9c61f8c49f 594 return (READ_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN) == (I2C_CR1_RXDMAEN));
Kojto 136:ef9c61f8c49f 595 }
Kojto 136:ef9c61f8c49f 596
Kojto 136:ef9c61f8c49f 597 /**
Kojto 136:ef9c61f8c49f 598 * @brief Get the data register address used for DMA transfer
Kojto 136:ef9c61f8c49f 599 * @rmtoll TXDR TXDATA LL_I2C_DMA_GetRegAddr\n
Kojto 136:ef9c61f8c49f 600 * RXDR RXDATA LL_I2C_DMA_GetRegAddr
Kojto 136:ef9c61f8c49f 601 * @param I2Cx I2C Instance
Kojto 136:ef9c61f8c49f 602 * @param Direction This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 603 * @arg @ref LL_I2C_DMA_REG_DATA_TRANSMIT
Kojto 136:ef9c61f8c49f 604 * @arg @ref LL_I2C_DMA_REG_DATA_RECEIVE
Kojto 136:ef9c61f8c49f 605 * @retval Address of data register
Kojto 136:ef9c61f8c49f 606 */
Kojto 136:ef9c61f8c49f 607 __STATIC_INLINE uint32_t LL_I2C_DMA_GetRegAddr(I2C_TypeDef *I2Cx, uint32_t Direction)
Kojto 136:ef9c61f8c49f 608 {
Kojto 136:ef9c61f8c49f 609 register uint32_t data_reg_addr = 0U;
Kojto 136:ef9c61f8c49f 610
Kojto 136:ef9c61f8c49f 611 if (Direction == LL_I2C_DMA_REG_DATA_TRANSMIT)
Kojto 136:ef9c61f8c49f 612 {
Kojto 136:ef9c61f8c49f 613 /* return address of TXDR register */
Kojto 136:ef9c61f8c49f 614 data_reg_addr = (uint32_t) & (I2Cx->TXDR);
Kojto 136:ef9c61f8c49f 615 }
Kojto 136:ef9c61f8c49f 616 else
Kojto 136:ef9c61f8c49f 617 {
Kojto 136:ef9c61f8c49f 618 /* return address of RXDR register */
Kojto 136:ef9c61f8c49f 619 data_reg_addr = (uint32_t) & (I2Cx->RXDR);
Kojto 136:ef9c61f8c49f 620 }
Kojto 136:ef9c61f8c49f 621
Kojto 136:ef9c61f8c49f 622 return data_reg_addr;
Kojto 136:ef9c61f8c49f 623 }
Kojto 136:ef9c61f8c49f 624
Kojto 136:ef9c61f8c49f 625 /**
Kojto 136:ef9c61f8c49f 626 * @brief Enable Clock stretching.
Kojto 136:ef9c61f8c49f 627 * @note This bit can only be programmed when the I2C is disabled (PE = 0).
Kojto 136:ef9c61f8c49f 628 * @rmtoll CR1 NOSTRETCH LL_I2C_EnableClockStretching
Kojto 136:ef9c61f8c49f 629 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 630 * @retval None
Kojto 136:ef9c61f8c49f 631 */
Kojto 136:ef9c61f8c49f 632 __STATIC_INLINE void LL_I2C_EnableClockStretching(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 633 {
Kojto 136:ef9c61f8c49f 634 CLEAR_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH);
Kojto 136:ef9c61f8c49f 635 }
Kojto 136:ef9c61f8c49f 636
Kojto 136:ef9c61f8c49f 637 /**
Kojto 136:ef9c61f8c49f 638 * @brief Disable Clock stretching.
Kojto 136:ef9c61f8c49f 639 * @note This bit can only be programmed when the I2C is disabled (PE = 0).
Kojto 136:ef9c61f8c49f 640 * @rmtoll CR1 NOSTRETCH LL_I2C_DisableClockStretching
Kojto 136:ef9c61f8c49f 641 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 642 * @retval None
Kojto 136:ef9c61f8c49f 643 */
Kojto 136:ef9c61f8c49f 644 __STATIC_INLINE void LL_I2C_DisableClockStretching(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 645 {
Kojto 136:ef9c61f8c49f 646 SET_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH);
Kojto 136:ef9c61f8c49f 647 }
Kojto 136:ef9c61f8c49f 648
Kojto 136:ef9c61f8c49f 649 /**
Kojto 136:ef9c61f8c49f 650 * @brief Check if Clock stretching is enabled or disabled.
Kojto 136:ef9c61f8c49f 651 * @rmtoll CR1 NOSTRETCH LL_I2C_IsEnabledClockStretching
Kojto 136:ef9c61f8c49f 652 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 653 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 654 */
Kojto 136:ef9c61f8c49f 655 __STATIC_INLINE uint32_t LL_I2C_IsEnabledClockStretching(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 656 {
Kojto 136:ef9c61f8c49f 657 return (READ_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH) != (I2C_CR1_NOSTRETCH));
Kojto 136:ef9c61f8c49f 658 }
Kojto 136:ef9c61f8c49f 659
Kojto 136:ef9c61f8c49f 660 /**
Kojto 136:ef9c61f8c49f 661 * @brief Enable hardware byte control in slave mode.
Kojto 136:ef9c61f8c49f 662 * @rmtoll CR1 SBC LL_I2C_EnableSlaveByteControl
Kojto 136:ef9c61f8c49f 663 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 664 * @retval None
Kojto 136:ef9c61f8c49f 665 */
Kojto 136:ef9c61f8c49f 666 __STATIC_INLINE void LL_I2C_EnableSlaveByteControl(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 667 {
Kojto 136:ef9c61f8c49f 668 SET_BIT(I2Cx->CR1, I2C_CR1_SBC);
Kojto 136:ef9c61f8c49f 669 }
Kojto 136:ef9c61f8c49f 670
Kojto 136:ef9c61f8c49f 671 /**
Kojto 136:ef9c61f8c49f 672 * @brief Disable hardware byte control in slave mode.
Kojto 136:ef9c61f8c49f 673 * @rmtoll CR1 SBC LL_I2C_DisableSlaveByteControl
Kojto 136:ef9c61f8c49f 674 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 675 * @retval None
Kojto 136:ef9c61f8c49f 676 */
Kojto 136:ef9c61f8c49f 677 __STATIC_INLINE void LL_I2C_DisableSlaveByteControl(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 678 {
Kojto 136:ef9c61f8c49f 679 CLEAR_BIT(I2Cx->CR1, I2C_CR1_SBC);
Kojto 136:ef9c61f8c49f 680 }
Kojto 136:ef9c61f8c49f 681
Kojto 136:ef9c61f8c49f 682 /**
Kojto 136:ef9c61f8c49f 683 * @brief Check if hardware byte control in slave mode is enabled or disabled.
Kojto 136:ef9c61f8c49f 684 * @rmtoll CR1 SBC LL_I2C_IsEnabledSlaveByteControl
Kojto 136:ef9c61f8c49f 685 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 686 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 687 */
Kojto 136:ef9c61f8c49f 688 __STATIC_INLINE uint32_t LL_I2C_IsEnabledSlaveByteControl(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 689 {
Kojto 136:ef9c61f8c49f 690 return (READ_BIT(I2Cx->CR1, I2C_CR1_SBC) == (I2C_CR1_SBC));
Kojto 136:ef9c61f8c49f 691 }
Kojto 136:ef9c61f8c49f 692
Kojto 136:ef9c61f8c49f 693 /**
Kojto 136:ef9c61f8c49f 694 * @brief Enable Wakeup from STOP.
Kojto 136:ef9c61f8c49f 695 * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 696 * WakeUpFromStop feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 697 * @note This bit can only be programmed when Digital Filter is disabled.
Kojto 136:ef9c61f8c49f 698 * @rmtoll CR1 WUPEN LL_I2C_EnableWakeUpFromStop
Kojto 136:ef9c61f8c49f 699 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 700 * @retval None
Kojto 136:ef9c61f8c49f 701 */
Kojto 136:ef9c61f8c49f 702 __STATIC_INLINE void LL_I2C_EnableWakeUpFromStop(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 703 {
Kojto 136:ef9c61f8c49f 704 SET_BIT(I2Cx->CR1, I2C_CR1_WUPEN);
Kojto 136:ef9c61f8c49f 705 }
Kojto 136:ef9c61f8c49f 706
Kojto 136:ef9c61f8c49f 707 /**
Kojto 136:ef9c61f8c49f 708 * @brief Disable Wakeup from STOP.
Kojto 136:ef9c61f8c49f 709 * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 710 * WakeUpFromStop feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 711 * @rmtoll CR1 WUPEN LL_I2C_DisableWakeUpFromStop
Kojto 136:ef9c61f8c49f 712 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 713 * @retval None
Kojto 136:ef9c61f8c49f 714 */
Kojto 136:ef9c61f8c49f 715 __STATIC_INLINE void LL_I2C_DisableWakeUpFromStop(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 716 {
Kojto 136:ef9c61f8c49f 717 CLEAR_BIT(I2Cx->CR1, I2C_CR1_WUPEN);
Kojto 136:ef9c61f8c49f 718 }
Kojto 136:ef9c61f8c49f 719
Kojto 136:ef9c61f8c49f 720 /**
Kojto 136:ef9c61f8c49f 721 * @brief Check if Wakeup from STOP is enabled or disabled.
Kojto 136:ef9c61f8c49f 722 * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 723 * WakeUpFromStop feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 724 * @rmtoll CR1 WUPEN LL_I2C_IsEnabledWakeUpFromStop
Kojto 136:ef9c61f8c49f 725 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 726 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 727 */
Kojto 136:ef9c61f8c49f 728 __STATIC_INLINE uint32_t LL_I2C_IsEnabledWakeUpFromStop(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 729 {
Kojto 136:ef9c61f8c49f 730 return (READ_BIT(I2Cx->CR1, I2C_CR1_WUPEN) == (I2C_CR1_WUPEN));
Kojto 136:ef9c61f8c49f 731 }
Kojto 136:ef9c61f8c49f 732
Kojto 136:ef9c61f8c49f 733 /**
Kojto 136:ef9c61f8c49f 734 * @brief Enable General Call.
Kojto 136:ef9c61f8c49f 735 * @note When enabled the Address 0x00 is ACKed.
Kojto 136:ef9c61f8c49f 736 * @rmtoll CR1 GCEN LL_I2C_EnableGeneralCall
Kojto 136:ef9c61f8c49f 737 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 738 * @retval None
Kojto 136:ef9c61f8c49f 739 */
Kojto 136:ef9c61f8c49f 740 __STATIC_INLINE void LL_I2C_EnableGeneralCall(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 741 {
Kojto 136:ef9c61f8c49f 742 SET_BIT(I2Cx->CR1, I2C_CR1_GCEN);
Kojto 136:ef9c61f8c49f 743 }
Kojto 136:ef9c61f8c49f 744
Kojto 136:ef9c61f8c49f 745 /**
Kojto 136:ef9c61f8c49f 746 * @brief Disable General Call.
Kojto 136:ef9c61f8c49f 747 * @note When disabled the Address 0x00 is NACKed.
Kojto 136:ef9c61f8c49f 748 * @rmtoll CR1 GCEN LL_I2C_DisableGeneralCall
Kojto 136:ef9c61f8c49f 749 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 750 * @retval None
Kojto 136:ef9c61f8c49f 751 */
Kojto 136:ef9c61f8c49f 752 __STATIC_INLINE void LL_I2C_DisableGeneralCall(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 753 {
Kojto 136:ef9c61f8c49f 754 CLEAR_BIT(I2Cx->CR1, I2C_CR1_GCEN);
Kojto 136:ef9c61f8c49f 755 }
Kojto 136:ef9c61f8c49f 756
Kojto 136:ef9c61f8c49f 757 /**
Kojto 136:ef9c61f8c49f 758 * @brief Check if General Call is enabled or disabled.
Kojto 136:ef9c61f8c49f 759 * @rmtoll CR1 GCEN LL_I2C_IsEnabledGeneralCall
Kojto 136:ef9c61f8c49f 760 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 761 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 762 */
Kojto 136:ef9c61f8c49f 763 __STATIC_INLINE uint32_t LL_I2C_IsEnabledGeneralCall(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 764 {
Kojto 136:ef9c61f8c49f 765 return (READ_BIT(I2Cx->CR1, I2C_CR1_GCEN) == (I2C_CR1_GCEN));
Kojto 136:ef9c61f8c49f 766 }
Kojto 136:ef9c61f8c49f 767
Kojto 136:ef9c61f8c49f 768 /**
Kojto 136:ef9c61f8c49f 769 * @brief Configure the Master to operate in 7-bit or 10-bit addressing mode.
Kojto 136:ef9c61f8c49f 770 * @note Changing this bit is not allowed, when the START bit is set.
Kojto 136:ef9c61f8c49f 771 * @rmtoll CR2 ADD10 LL_I2C_SetMasterAddressingMode
Kojto 136:ef9c61f8c49f 772 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 773 * @param AddressingMode This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 774 * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT
Kojto 136:ef9c61f8c49f 775 * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT
Kojto 136:ef9c61f8c49f 776 * @retval None
Kojto 136:ef9c61f8c49f 777 */
Kojto 136:ef9c61f8c49f 778 __STATIC_INLINE void LL_I2C_SetMasterAddressingMode(I2C_TypeDef *I2Cx, uint32_t AddressingMode)
Kojto 136:ef9c61f8c49f 779 {
Kojto 136:ef9c61f8c49f 780 MODIFY_REG(I2Cx->CR2, I2C_CR2_ADD10, AddressingMode);
Kojto 136:ef9c61f8c49f 781 }
Kojto 136:ef9c61f8c49f 782
Kojto 136:ef9c61f8c49f 783 /**
Kojto 136:ef9c61f8c49f 784 * @brief Get the Master addressing mode.
Kojto 136:ef9c61f8c49f 785 * @rmtoll CR2 ADD10 LL_I2C_GetMasterAddressingMode
Kojto 136:ef9c61f8c49f 786 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 787 * @retval Returned value can be one of the following values:
Kojto 136:ef9c61f8c49f 788 * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT
Kojto 136:ef9c61f8c49f 789 * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT
Kojto 136:ef9c61f8c49f 790 */
Kojto 136:ef9c61f8c49f 791 __STATIC_INLINE uint32_t LL_I2C_GetMasterAddressingMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 792 {
Kojto 136:ef9c61f8c49f 793 return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_ADD10));
Kojto 136:ef9c61f8c49f 794 }
Kojto 136:ef9c61f8c49f 795
Kojto 136:ef9c61f8c49f 796 /**
Kojto 136:ef9c61f8c49f 797 * @brief Set the Own Address1.
Kojto 136:ef9c61f8c49f 798 * @rmtoll OAR1 OA1 LL_I2C_SetOwnAddress1\n
Kojto 136:ef9c61f8c49f 799 * OAR1 OA1MODE LL_I2C_SetOwnAddress1
Kojto 136:ef9c61f8c49f 800 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 801 * @param OwnAddress1 This parameter must be a value between 0 and 0x3FF.
Kojto 136:ef9c61f8c49f 802 * @param OwnAddrSize This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 803 * @arg @ref LL_I2C_OWNADDRESS1_7BIT
Kojto 136:ef9c61f8c49f 804 * @arg @ref LL_I2C_OWNADDRESS1_10BIT
Kojto 136:ef9c61f8c49f 805 * @retval None
Kojto 136:ef9c61f8c49f 806 */
Kojto 136:ef9c61f8c49f 807 __STATIC_INLINE void LL_I2C_SetOwnAddress1(I2C_TypeDef *I2Cx, uint32_t OwnAddress1, uint32_t OwnAddrSize)
Kojto 136:ef9c61f8c49f 808 {
Kojto 136:ef9c61f8c49f 809 MODIFY_REG(I2Cx->OAR1, I2C_OAR1_OA1 | I2C_OAR1_OA1MODE, OwnAddress1 | OwnAddrSize);
Kojto 136:ef9c61f8c49f 810 }
Kojto 136:ef9c61f8c49f 811
Kojto 136:ef9c61f8c49f 812 /**
Kojto 136:ef9c61f8c49f 813 * @brief Enable acknowledge on Own Address1 match address.
Kojto 136:ef9c61f8c49f 814 * @rmtoll OAR1 OA1EN LL_I2C_EnableOwnAddress1
Kojto 136:ef9c61f8c49f 815 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 816 * @retval None
Kojto 136:ef9c61f8c49f 817 */
Kojto 136:ef9c61f8c49f 818 __STATIC_INLINE void LL_I2C_EnableOwnAddress1(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 819 {
Kojto 136:ef9c61f8c49f 820 SET_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN);
Kojto 136:ef9c61f8c49f 821 }
Kojto 136:ef9c61f8c49f 822
Kojto 136:ef9c61f8c49f 823 /**
Kojto 136:ef9c61f8c49f 824 * @brief Disable acknowledge on Own Address1 match address.
Kojto 136:ef9c61f8c49f 825 * @rmtoll OAR1 OA1EN LL_I2C_DisableOwnAddress1
Kojto 136:ef9c61f8c49f 826 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 827 * @retval None
Kojto 136:ef9c61f8c49f 828 */
Kojto 136:ef9c61f8c49f 829 __STATIC_INLINE void LL_I2C_DisableOwnAddress1(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 830 {
Kojto 136:ef9c61f8c49f 831 CLEAR_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN);
Kojto 136:ef9c61f8c49f 832 }
Kojto 136:ef9c61f8c49f 833
Kojto 136:ef9c61f8c49f 834 /**
Kojto 136:ef9c61f8c49f 835 * @brief Check if Own Address1 acknowledge is enabled or disabled.
Kojto 136:ef9c61f8c49f 836 * @rmtoll OAR1 OA1EN LL_I2C_IsEnabledOwnAddress1
Kojto 136:ef9c61f8c49f 837 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 838 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 839 */
Kojto 136:ef9c61f8c49f 840 __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress1(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 841 {
Kojto 136:ef9c61f8c49f 842 return (READ_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN) == (I2C_OAR1_OA1EN));
Kojto 136:ef9c61f8c49f 843 }
Kojto 136:ef9c61f8c49f 844
Kojto 136:ef9c61f8c49f 845 /**
Kojto 136:ef9c61f8c49f 846 * @brief Set the 7bits Own Address2.
Kojto 136:ef9c61f8c49f 847 * @note This action has no effect if own address2 is enabled.
Kojto 136:ef9c61f8c49f 848 * @rmtoll OAR2 OA2 LL_I2C_SetOwnAddress2\n
Kojto 136:ef9c61f8c49f 849 * OAR2 OA2MSK LL_I2C_SetOwnAddress2
Kojto 136:ef9c61f8c49f 850 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 851 * @param OwnAddress2 Value between 0 and 0x7F.
Kojto 136:ef9c61f8c49f 852 * @param OwnAddrMask This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 853 * @arg @ref LL_I2C_OWNADDRESS2_NOMASK
Kojto 136:ef9c61f8c49f 854 * @arg @ref LL_I2C_OWNADDRESS2_MASK01
Kojto 136:ef9c61f8c49f 855 * @arg @ref LL_I2C_OWNADDRESS2_MASK02
Kojto 136:ef9c61f8c49f 856 * @arg @ref LL_I2C_OWNADDRESS2_MASK03
Kojto 136:ef9c61f8c49f 857 * @arg @ref LL_I2C_OWNADDRESS2_MASK04
Kojto 136:ef9c61f8c49f 858 * @arg @ref LL_I2C_OWNADDRESS2_MASK05
Kojto 136:ef9c61f8c49f 859 * @arg @ref LL_I2C_OWNADDRESS2_MASK06
Kojto 136:ef9c61f8c49f 860 * @arg @ref LL_I2C_OWNADDRESS2_MASK07
Kojto 136:ef9c61f8c49f 861 * @retval None
Kojto 136:ef9c61f8c49f 862 */
Kojto 136:ef9c61f8c49f 863 __STATIC_INLINE void LL_I2C_SetOwnAddress2(I2C_TypeDef *I2Cx, uint32_t OwnAddress2, uint32_t OwnAddrMask)
Kojto 136:ef9c61f8c49f 864 {
Kojto 136:ef9c61f8c49f 865 MODIFY_REG(I2Cx->OAR2, I2C_OAR2_OA2 | I2C_OAR2_OA2MSK, OwnAddress2 | OwnAddrMask);
Kojto 136:ef9c61f8c49f 866 }
Kojto 136:ef9c61f8c49f 867
Kojto 136:ef9c61f8c49f 868 /**
Kojto 136:ef9c61f8c49f 869 * @brief Enable acknowledge on Own Address2 match address.
Kojto 136:ef9c61f8c49f 870 * @rmtoll OAR2 OA2EN LL_I2C_EnableOwnAddress2
Kojto 136:ef9c61f8c49f 871 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 872 * @retval None
Kojto 136:ef9c61f8c49f 873 */
Kojto 136:ef9c61f8c49f 874 __STATIC_INLINE void LL_I2C_EnableOwnAddress2(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 875 {
Kojto 136:ef9c61f8c49f 876 SET_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN);
Kojto 136:ef9c61f8c49f 877 }
Kojto 136:ef9c61f8c49f 878
Kojto 136:ef9c61f8c49f 879 /**
Kojto 136:ef9c61f8c49f 880 * @brief Disable acknowledge on Own Address2 match address.
Kojto 136:ef9c61f8c49f 881 * @rmtoll OAR2 OA2EN LL_I2C_DisableOwnAddress2
Kojto 136:ef9c61f8c49f 882 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 883 * @retval None
Kojto 136:ef9c61f8c49f 884 */
Kojto 136:ef9c61f8c49f 885 __STATIC_INLINE void LL_I2C_DisableOwnAddress2(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 886 {
Kojto 136:ef9c61f8c49f 887 CLEAR_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN);
Kojto 136:ef9c61f8c49f 888 }
Kojto 136:ef9c61f8c49f 889
Kojto 136:ef9c61f8c49f 890 /**
Kojto 136:ef9c61f8c49f 891 * @brief Check if Own Address1 acknowledge is enabled or disabled.
Kojto 136:ef9c61f8c49f 892 * @rmtoll OAR2 OA2EN LL_I2C_IsEnabledOwnAddress2
Kojto 136:ef9c61f8c49f 893 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 894 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 895 */
Kojto 136:ef9c61f8c49f 896 __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress2(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 897 {
Kojto 136:ef9c61f8c49f 898 return (READ_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN) == (I2C_OAR2_OA2EN));
Kojto 136:ef9c61f8c49f 899 }
Kojto 136:ef9c61f8c49f 900
Kojto 136:ef9c61f8c49f 901 /**
Kojto 136:ef9c61f8c49f 902 * @brief Configure the SDA setup, hold time and the SCL high, low period.
Kojto 136:ef9c61f8c49f 903 * @note This bit can only be programmed when the I2C is disabled (PE = 0).
Kojto 136:ef9c61f8c49f 904 * @rmtoll TIMINGR TIMINGR LL_I2C_SetTiming
Kojto 136:ef9c61f8c49f 905 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 906 * @param Timing This parameter must be a value between 0 and 0xFFFFFFFF.
Kojto 136:ef9c61f8c49f 907 * @note This parameter is computed with the STM32CubeMX Tool.
Kojto 136:ef9c61f8c49f 908 * @retval None
Kojto 136:ef9c61f8c49f 909 */
Kojto 136:ef9c61f8c49f 910 __STATIC_INLINE void LL_I2C_SetTiming(I2C_TypeDef *I2Cx, uint32_t Timing)
Kojto 136:ef9c61f8c49f 911 {
Kojto 136:ef9c61f8c49f 912 WRITE_REG(I2Cx->TIMINGR, Timing);
Kojto 136:ef9c61f8c49f 913 }
Kojto 136:ef9c61f8c49f 914
Kojto 136:ef9c61f8c49f 915 /**
Kojto 136:ef9c61f8c49f 916 * @brief Get the Timing Prescaler setting.
Kojto 136:ef9c61f8c49f 917 * @rmtoll TIMINGR PRESC LL_I2C_GetTimingPrescaler
Kojto 136:ef9c61f8c49f 918 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 919 * @retval Value between Min_Data=0x0 and Max_Data=0xF
Kojto 136:ef9c61f8c49f 920 */
Kojto 136:ef9c61f8c49f 921 __STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 922 {
Kojto 136:ef9c61f8c49f 923 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_PRESC) >> I2C_POSITION_TIMINGR_PRESC);
Kojto 136:ef9c61f8c49f 924 }
Kojto 136:ef9c61f8c49f 925
Kojto 136:ef9c61f8c49f 926 /**
Kojto 136:ef9c61f8c49f 927 * @brief Get the SCL low period setting.
Kojto 136:ef9c61f8c49f 928 * @rmtoll TIMINGR SCLL LL_I2C_GetClockLowPeriod
Kojto 136:ef9c61f8c49f 929 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 930 * @retval Value between Min_Data=0x00 and Max_Data=0xFF
Kojto 136:ef9c61f8c49f 931 */
Kojto 136:ef9c61f8c49f 932 __STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 933 {
Kojto 136:ef9c61f8c49f 934 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLL) >> I2C_POSITION_TIMINGR_SCLL);
Kojto 136:ef9c61f8c49f 935 }
Kojto 136:ef9c61f8c49f 936
Kojto 136:ef9c61f8c49f 937 /**
Kojto 136:ef9c61f8c49f 938 * @brief Get the SCL high period setting.
Kojto 136:ef9c61f8c49f 939 * @rmtoll TIMINGR SCLH LL_I2C_GetClockHighPeriod
Kojto 136:ef9c61f8c49f 940 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 941 * @retval Value between Min_Data=0x00 and Max_Data=0xFF
Kojto 136:ef9c61f8c49f 942 */
Kojto 136:ef9c61f8c49f 943 __STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 944 {
Kojto 136:ef9c61f8c49f 945 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLH) >> I2C_POSITION_TIMINGR_SCLH);
Kojto 136:ef9c61f8c49f 946 }
Kojto 136:ef9c61f8c49f 947
Kojto 136:ef9c61f8c49f 948 /**
Kojto 136:ef9c61f8c49f 949 * @brief Get the SDA hold time.
Kojto 136:ef9c61f8c49f 950 * @rmtoll TIMINGR SDADEL LL_I2C_GetDataHoldTime
Kojto 136:ef9c61f8c49f 951 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 952 * @retval Value between Min_Data=0x0 and Max_Data=0xF
Kojto 136:ef9c61f8c49f 953 */
Kojto 136:ef9c61f8c49f 954 __STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 955 {
Kojto 136:ef9c61f8c49f 956 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SDADEL) >> I2C_POSITION_TIMINGR_SDADEL);
Kojto 136:ef9c61f8c49f 957 }
Kojto 136:ef9c61f8c49f 958
Kojto 136:ef9c61f8c49f 959 /**
Kojto 136:ef9c61f8c49f 960 * @brief Get the SDA setup time.
Kojto 136:ef9c61f8c49f 961 * @rmtoll TIMINGR SCLDEL LL_I2C_GetDataSetupTime
Kojto 136:ef9c61f8c49f 962 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 963 * @retval Value between Min_Data=0x0 and Max_Data=0xF
Kojto 136:ef9c61f8c49f 964 */
Kojto 136:ef9c61f8c49f 965 __STATIC_INLINE uint32_t LL_I2C_GetDataSetupTime(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 966 {
Kojto 136:ef9c61f8c49f 967 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLDEL) >> I2C_POSITION_TIMINGR_SCLDEL);
Kojto 136:ef9c61f8c49f 968 }
Kojto 136:ef9c61f8c49f 969
Kojto 136:ef9c61f8c49f 970 /**
Kojto 136:ef9c61f8c49f 971 * @brief Configure peripheral mode.
Kojto 136:ef9c61f8c49f 972 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 973 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 974 * @rmtoll CR1 SMBHEN LL_I2C_SetMode\n
Kojto 136:ef9c61f8c49f 975 * CR1 SMBDEN LL_I2C_SetMode
Kojto 136:ef9c61f8c49f 976 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 977 * @param PeripheralMode This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 978 * @arg @ref LL_I2C_MODE_I2C
Kojto 136:ef9c61f8c49f 979 * @arg @ref LL_I2C_MODE_SMBUS_HOST
Kojto 136:ef9c61f8c49f 980 * @arg @ref LL_I2C_MODE_SMBUS_DEVICE
Kojto 136:ef9c61f8c49f 981 * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP
Kojto 136:ef9c61f8c49f 982 * @retval None
Kojto 136:ef9c61f8c49f 983 */
Kojto 136:ef9c61f8c49f 984 __STATIC_INLINE void LL_I2C_SetMode(I2C_TypeDef *I2Cx, uint32_t PeripheralMode)
Kojto 136:ef9c61f8c49f 985 {
Kojto 136:ef9c61f8c49f 986 MODIFY_REG(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN, PeripheralMode);
Kojto 136:ef9c61f8c49f 987 }
Kojto 136:ef9c61f8c49f 988
Kojto 136:ef9c61f8c49f 989 /**
Kojto 136:ef9c61f8c49f 990 * @brief Get peripheral mode.
Kojto 136:ef9c61f8c49f 991 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 992 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 993 * @rmtoll CR1 SMBHEN LL_I2C_GetMode\n
Kojto 136:ef9c61f8c49f 994 * CR1 SMBDEN LL_I2C_GetMode
Kojto 136:ef9c61f8c49f 995 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 996 * @retval Returned value can be one of the following values:
Kojto 136:ef9c61f8c49f 997 * @arg @ref LL_I2C_MODE_I2C
Kojto 136:ef9c61f8c49f 998 * @arg @ref LL_I2C_MODE_SMBUS_HOST
Kojto 136:ef9c61f8c49f 999 * @arg @ref LL_I2C_MODE_SMBUS_DEVICE
Kojto 136:ef9c61f8c49f 1000 * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP
Kojto 136:ef9c61f8c49f 1001 */
Kojto 136:ef9c61f8c49f 1002 __STATIC_INLINE uint32_t LL_I2C_GetMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1003 {
Kojto 136:ef9c61f8c49f 1004 return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN));
Kojto 136:ef9c61f8c49f 1005 }
Kojto 136:ef9c61f8c49f 1006
Kojto 136:ef9c61f8c49f 1007 /**
Kojto 136:ef9c61f8c49f 1008 * @brief Enable SMBus alert (Host or Device mode)
Kojto 136:ef9c61f8c49f 1009 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1010 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1011 * @note SMBus Device mode:
Kojto 136:ef9c61f8c49f 1012 * - SMBus Alert pin is drived low and
Kojto 136:ef9c61f8c49f 1013 * Alert Response Address Header acknowledge is enabled.
Kojto 136:ef9c61f8c49f 1014 * SMBus Host mode:
Kojto 136:ef9c61f8c49f 1015 * - SMBus Alert pin management is supported.
Kojto 136:ef9c61f8c49f 1016 * @rmtoll CR1 ALERTEN LL_I2C_EnableSMBusAlert
Kojto 136:ef9c61f8c49f 1017 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1018 * @retval None
Kojto 136:ef9c61f8c49f 1019 */
Kojto 136:ef9c61f8c49f 1020 __STATIC_INLINE void LL_I2C_EnableSMBusAlert(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1021 {
Kojto 136:ef9c61f8c49f 1022 SET_BIT(I2Cx->CR1, I2C_CR1_ALERTEN);
Kojto 136:ef9c61f8c49f 1023 }
Kojto 136:ef9c61f8c49f 1024
Kojto 136:ef9c61f8c49f 1025 /**
Kojto 136:ef9c61f8c49f 1026 * @brief Disable SMBus alert (Host or Device mode)
Kojto 136:ef9c61f8c49f 1027 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1028 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1029 * @note SMBus Device mode:
Kojto 136:ef9c61f8c49f 1030 * - SMBus Alert pin is not drived (can be used as a standard GPIO) and
Kojto 136:ef9c61f8c49f 1031 * Alert Response Address Header acknowledge is disabled.
Kojto 136:ef9c61f8c49f 1032 * SMBus Host mode:
Kojto 136:ef9c61f8c49f 1033 * - SMBus Alert pin management is not supported.
Kojto 136:ef9c61f8c49f 1034 * @rmtoll CR1 ALERTEN LL_I2C_DisableSMBusAlert
Kojto 136:ef9c61f8c49f 1035 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1036 * @retval None
Kojto 136:ef9c61f8c49f 1037 */
Kojto 136:ef9c61f8c49f 1038 __STATIC_INLINE void LL_I2C_DisableSMBusAlert(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1039 {
Kojto 136:ef9c61f8c49f 1040 CLEAR_BIT(I2Cx->CR1, I2C_CR1_ALERTEN);
Kojto 136:ef9c61f8c49f 1041 }
Kojto 136:ef9c61f8c49f 1042
Kojto 136:ef9c61f8c49f 1043 /**
Kojto 136:ef9c61f8c49f 1044 * @brief Check if SMBus alert (Host or Device mode) is enabled or disabled.
Kojto 136:ef9c61f8c49f 1045 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1046 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1047 * @rmtoll CR1 ALERTEN LL_I2C_IsEnabledSMBusAlert
Kojto 136:ef9c61f8c49f 1048 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1049 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1050 */
Kojto 136:ef9c61f8c49f 1051 __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusAlert(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1052 {
Kojto 136:ef9c61f8c49f 1053 return (READ_BIT(I2Cx->CR1, I2C_CR1_ALERTEN) == (I2C_CR1_ALERTEN));
Kojto 136:ef9c61f8c49f 1054 }
Kojto 136:ef9c61f8c49f 1055
Kojto 136:ef9c61f8c49f 1056 /**
Kojto 136:ef9c61f8c49f 1057 * @brief Enable SMBus Packet Error Calculation (PEC).
Kojto 136:ef9c61f8c49f 1058 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1059 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1060 * @rmtoll CR1 PECEN LL_I2C_EnableSMBusPEC
Kojto 136:ef9c61f8c49f 1061 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1062 * @retval None
Kojto 136:ef9c61f8c49f 1063 */
Kojto 136:ef9c61f8c49f 1064 __STATIC_INLINE void LL_I2C_EnableSMBusPEC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1065 {
Kojto 136:ef9c61f8c49f 1066 SET_BIT(I2Cx->CR1, I2C_CR1_PECEN);
Kojto 136:ef9c61f8c49f 1067 }
Kojto 136:ef9c61f8c49f 1068
Kojto 136:ef9c61f8c49f 1069 /**
Kojto 136:ef9c61f8c49f 1070 * @brief Disable SMBus Packet Error Calculation (PEC).
Kojto 136:ef9c61f8c49f 1071 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1072 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1073 * @rmtoll CR1 PECEN LL_I2C_DisableSMBusPEC
Kojto 136:ef9c61f8c49f 1074 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1075 * @retval None
Kojto 136:ef9c61f8c49f 1076 */
Kojto 136:ef9c61f8c49f 1077 __STATIC_INLINE void LL_I2C_DisableSMBusPEC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1078 {
Kojto 136:ef9c61f8c49f 1079 CLEAR_BIT(I2Cx->CR1, I2C_CR1_PECEN);
Kojto 136:ef9c61f8c49f 1080 }
Kojto 136:ef9c61f8c49f 1081
Kojto 136:ef9c61f8c49f 1082 /**
Kojto 136:ef9c61f8c49f 1083 * @brief Check if SMBus Packet Error Calculation (PEC) is enabled or disabled.
Kojto 136:ef9c61f8c49f 1084 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1085 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1086 * @rmtoll CR1 PECEN LL_I2C_IsEnabledSMBusPEC
Kojto 136:ef9c61f8c49f 1087 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1088 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1089 */
Kojto 136:ef9c61f8c49f 1090 __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPEC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1091 {
Kojto 136:ef9c61f8c49f 1092 return (READ_BIT(I2Cx->CR1, I2C_CR1_PECEN) == (I2C_CR1_PECEN));
Kojto 136:ef9c61f8c49f 1093 }
Kojto 136:ef9c61f8c49f 1094
Kojto 136:ef9c61f8c49f 1095 /**
Kojto 136:ef9c61f8c49f 1096 * @brief Configure the SMBus Clock Timeout.
Kojto 136:ef9c61f8c49f 1097 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1098 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1099 * @note This configuration can only be programmed when associated Timeout is disabled (TimeoutA and/orTimeoutB).
Kojto 136:ef9c61f8c49f 1100 * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_ConfigSMBusTimeout\n
Kojto 136:ef9c61f8c49f 1101 * TIMEOUTR TIDLE LL_I2C_ConfigSMBusTimeout\n
Kojto 136:ef9c61f8c49f 1102 * TIMEOUTR TIMEOUTB LL_I2C_ConfigSMBusTimeout
Kojto 136:ef9c61f8c49f 1103 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1104 * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF.
Kojto 136:ef9c61f8c49f 1105 * @param TimeoutAMode This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 1106 * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW
Kojto 136:ef9c61f8c49f 1107 * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH
Kojto 136:ef9c61f8c49f 1108 * @param TimeoutB
Kojto 136:ef9c61f8c49f 1109 * @note This configuration can only be programmed when associated Timeout is disabled (TimeoutA and/orTimeoutB).
Kojto 136:ef9c61f8c49f 1110 * @retval None
Kojto 136:ef9c61f8c49f 1111 */
Kojto 136:ef9c61f8c49f 1112 __STATIC_INLINE void LL_I2C_ConfigSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t TimeoutA, uint32_t TimeoutAMode,
Kojto 136:ef9c61f8c49f 1113 uint32_t TimeoutB)
Kojto 136:ef9c61f8c49f 1114 {
Kojto 136:ef9c61f8c49f 1115 MODIFY_REG(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA | I2C_TIMEOUTR_TIDLE | I2C_TIMEOUTR_TIMEOUTB,
Kojto 136:ef9c61f8c49f 1116 TimeoutA | TimeoutAMode | (TimeoutB << I2C_POSITION_TIMEOUTR_TIMEOUTB));
Kojto 136:ef9c61f8c49f 1117 }
Kojto 136:ef9c61f8c49f 1118
Kojto 136:ef9c61f8c49f 1119 /**
Kojto 136:ef9c61f8c49f 1120 * @brief Configure the SMBus Clock TimeoutA (SCL low timeout or SCL and SDA high timeout depends on TimeoutA mode).
Kojto 136:ef9c61f8c49f 1121 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1122 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1123 * @note These bits can only be programmed when TimeoutA is disabled.
Kojto 136:ef9c61f8c49f 1124 * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_SetSMBusTimeoutA
Kojto 136:ef9c61f8c49f 1125 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1126 * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF.
Kojto 136:ef9c61f8c49f 1127 * @retval None
Kojto 136:ef9c61f8c49f 1128 */
Kojto 136:ef9c61f8c49f 1129 __STATIC_INLINE void LL_I2C_SetSMBusTimeoutA(I2C_TypeDef *I2Cx, uint32_t TimeoutA)
Kojto 136:ef9c61f8c49f 1130 {
Kojto 136:ef9c61f8c49f 1131 WRITE_REG(I2Cx->TIMEOUTR, TimeoutA);
Kojto 136:ef9c61f8c49f 1132 }
Kojto 136:ef9c61f8c49f 1133
Kojto 136:ef9c61f8c49f 1134 /**
Kojto 136:ef9c61f8c49f 1135 * @brief Get the SMBus Clock TimeoutA setting.
Kojto 136:ef9c61f8c49f 1136 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1137 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1138 * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_GetSMBusTimeoutA
Kojto 136:ef9c61f8c49f 1139 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1140 * @retval Value between Min_Data=0 and Max_Data=0xFFF
Kojto 136:ef9c61f8c49f 1141 */
Kojto 136:ef9c61f8c49f 1142 __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutA(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1143 {
Kojto 136:ef9c61f8c49f 1144 return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA));
Kojto 136:ef9c61f8c49f 1145 }
Kojto 136:ef9c61f8c49f 1146
Kojto 136:ef9c61f8c49f 1147 /**
Kojto 136:ef9c61f8c49f 1148 * @brief Set the SMBus Clock TimeoutA mode.
Kojto 136:ef9c61f8c49f 1149 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1150 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1151 * @note This bit can only be programmed when TimeoutA is disabled.
Kojto 136:ef9c61f8c49f 1152 * @rmtoll TIMEOUTR TIDLE LL_I2C_SetSMBusTimeoutAMode
Kojto 136:ef9c61f8c49f 1153 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1154 * @param TimeoutAMode This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 1155 * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW
Kojto 136:ef9c61f8c49f 1156 * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH
Kojto 136:ef9c61f8c49f 1157 * @retval None
Kojto 136:ef9c61f8c49f 1158 */
Kojto 136:ef9c61f8c49f 1159 __STATIC_INLINE void LL_I2C_SetSMBusTimeoutAMode(I2C_TypeDef *I2Cx, uint32_t TimeoutAMode)
Kojto 136:ef9c61f8c49f 1160 {
Kojto 136:ef9c61f8c49f 1161 WRITE_REG(I2Cx->TIMEOUTR, TimeoutAMode);
Kojto 136:ef9c61f8c49f 1162 }
Kojto 136:ef9c61f8c49f 1163
Kojto 136:ef9c61f8c49f 1164 /**
Kojto 136:ef9c61f8c49f 1165 * @brief Get the SMBus Clock TimeoutA mode.
Kojto 136:ef9c61f8c49f 1166 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1167 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1168 * @rmtoll TIMEOUTR TIDLE LL_I2C_GetSMBusTimeoutAMode
Kojto 136:ef9c61f8c49f 1169 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1170 * @retval Returned value can be one of the following values:
Kojto 136:ef9c61f8c49f 1171 * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW
Kojto 136:ef9c61f8c49f 1172 * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH
Kojto 136:ef9c61f8c49f 1173 */
Kojto 136:ef9c61f8c49f 1174 __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutAMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1175 {
Kojto 136:ef9c61f8c49f 1176 return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIDLE));
Kojto 136:ef9c61f8c49f 1177 }
Kojto 136:ef9c61f8c49f 1178
Kojto 136:ef9c61f8c49f 1179 /**
Kojto 136:ef9c61f8c49f 1180 * @brief Configure the SMBus Extended Cumulative Clock TimeoutB (Master or Slave mode).
Kojto 136:ef9c61f8c49f 1181 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1182 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1183 * @note These bits can only be programmed when TimeoutB is disabled.
Kojto 136:ef9c61f8c49f 1184 * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_SetSMBusTimeoutB
Kojto 136:ef9c61f8c49f 1185 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1186 * @param TimeoutB This parameter must be a value between Min_Data=0 and Max_Data=0xFFF.
Kojto 136:ef9c61f8c49f 1187 * @retval None
Kojto 136:ef9c61f8c49f 1188 */
Kojto 136:ef9c61f8c49f 1189 __STATIC_INLINE void LL_I2C_SetSMBusTimeoutB(I2C_TypeDef *I2Cx, uint32_t TimeoutB)
Kojto 136:ef9c61f8c49f 1190 {
Kojto 136:ef9c61f8c49f 1191 WRITE_REG(I2Cx->TIMEOUTR, TimeoutB << I2C_POSITION_TIMEOUTR_TIMEOUTB);
Kojto 136:ef9c61f8c49f 1192 }
Kojto 136:ef9c61f8c49f 1193
Kojto 136:ef9c61f8c49f 1194 /**
Kojto 136:ef9c61f8c49f 1195 * @brief Get the SMBus Extented Cumulative Clock TimeoutB setting.
Kojto 136:ef9c61f8c49f 1196 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1197 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1198 * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_GetSMBusTimeoutB
Kojto 136:ef9c61f8c49f 1199 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1200 * @retval Value between Min_Data=0 and Max_Data=0xFFF
Kojto 136:ef9c61f8c49f 1201 */
Kojto 136:ef9c61f8c49f 1202 __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutB(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1203 {
Kojto 136:ef9c61f8c49f 1204 return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTB) >> I2C_POSITION_TIMEOUTR_TIMEOUTB);
Kojto 136:ef9c61f8c49f 1205 }
Kojto 136:ef9c61f8c49f 1206
Kojto 136:ef9c61f8c49f 1207 /**
Kojto 136:ef9c61f8c49f 1208 * @brief Enable the SMBus Clock Timeout.
Kojto 136:ef9c61f8c49f 1209 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1210 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1211 * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_EnableSMBusTimeout\n
Kojto 136:ef9c61f8c49f 1212 * TIMEOUTR TEXTEN LL_I2C_EnableSMBusTimeout
Kojto 136:ef9c61f8c49f 1213 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1214 * @param ClockTimeout This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 1215 * @arg @ref LL_I2C_SMBUS_TIMEOUTA
Kojto 136:ef9c61f8c49f 1216 * @arg @ref LL_I2C_SMBUS_TIMEOUTB
Kojto 136:ef9c61f8c49f 1217 * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT
Kojto 136:ef9c61f8c49f 1218 * @retval None
Kojto 136:ef9c61f8c49f 1219 */
Kojto 136:ef9c61f8c49f 1220 __STATIC_INLINE void LL_I2C_EnableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout)
Kojto 136:ef9c61f8c49f 1221 {
Kojto 136:ef9c61f8c49f 1222 SET_BIT(I2Cx->TIMEOUTR, ClockTimeout);
Kojto 136:ef9c61f8c49f 1223 }
Kojto 136:ef9c61f8c49f 1224
Kojto 136:ef9c61f8c49f 1225 /**
Kojto 136:ef9c61f8c49f 1226 * @brief Disable the SMBus Clock Timeout.
Kojto 136:ef9c61f8c49f 1227 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1228 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1229 * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_DisableSMBusTimeout\n
Kojto 136:ef9c61f8c49f 1230 * TIMEOUTR TEXTEN LL_I2C_DisableSMBusTimeout
Kojto 136:ef9c61f8c49f 1231 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1232 * @param ClockTimeout This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 1233 * @arg @ref LL_I2C_SMBUS_TIMEOUTA
Kojto 136:ef9c61f8c49f 1234 * @arg @ref LL_I2C_SMBUS_TIMEOUTB
Kojto 136:ef9c61f8c49f 1235 * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT
Kojto 136:ef9c61f8c49f 1236 * @retval None
Kojto 136:ef9c61f8c49f 1237 */
Kojto 136:ef9c61f8c49f 1238 __STATIC_INLINE void LL_I2C_DisableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout)
Kojto 136:ef9c61f8c49f 1239 {
Kojto 136:ef9c61f8c49f 1240 CLEAR_BIT(I2Cx->TIMEOUTR, ClockTimeout);
Kojto 136:ef9c61f8c49f 1241 }
Kojto 136:ef9c61f8c49f 1242
Kojto 136:ef9c61f8c49f 1243 /**
Kojto 136:ef9c61f8c49f 1244 * @brief Check if the SMBus Clock Timeout is enabled or disabled.
Kojto 136:ef9c61f8c49f 1245 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1246 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1247 * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_IsEnabledSMBusTimeout\n
Kojto 136:ef9c61f8c49f 1248 * TIMEOUTR TEXTEN LL_I2C_IsEnabledSMBusTimeout
Kojto 136:ef9c61f8c49f 1249 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1250 * @param ClockTimeout This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 1251 * @arg @ref LL_I2C_SMBUS_TIMEOUTA
Kojto 136:ef9c61f8c49f 1252 * @arg @ref LL_I2C_SMBUS_TIMEOUTB
Kojto 136:ef9c61f8c49f 1253 * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT
Kojto 136:ef9c61f8c49f 1254 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1255 */
Kojto 136:ef9c61f8c49f 1256 __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout)
Kojto 136:ef9c61f8c49f 1257 {
Kojto 136:ef9c61f8c49f 1258 return (READ_BIT(I2Cx->TIMEOUTR, (I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN)) == (ClockTimeout));
Kojto 136:ef9c61f8c49f 1259 }
Kojto 136:ef9c61f8c49f 1260
Kojto 136:ef9c61f8c49f 1261 /**
Kojto 136:ef9c61f8c49f 1262 * @}
Kojto 136:ef9c61f8c49f 1263 */
Kojto 136:ef9c61f8c49f 1264
Kojto 136:ef9c61f8c49f 1265 /** @defgroup I2C_LL_EF_IT_Management IT_Management
Kojto 136:ef9c61f8c49f 1266 * @{
Kojto 136:ef9c61f8c49f 1267 */
Kojto 136:ef9c61f8c49f 1268
Kojto 136:ef9c61f8c49f 1269 /**
Kojto 136:ef9c61f8c49f 1270 * @brief Enable TXIS interrupt.
Kojto 136:ef9c61f8c49f 1271 * @rmtoll CR1 TXIE LL_I2C_EnableIT_TX
Kojto 136:ef9c61f8c49f 1272 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1273 * @retval None
Kojto 136:ef9c61f8c49f 1274 */
Kojto 136:ef9c61f8c49f 1275 __STATIC_INLINE void LL_I2C_EnableIT_TX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1276 {
Kojto 136:ef9c61f8c49f 1277 SET_BIT(I2Cx->CR1, I2C_CR1_TXIE);
Kojto 136:ef9c61f8c49f 1278 }
Kojto 136:ef9c61f8c49f 1279
Kojto 136:ef9c61f8c49f 1280 /**
Kojto 136:ef9c61f8c49f 1281 * @brief Disable TXIS interrupt.
Kojto 136:ef9c61f8c49f 1282 * @rmtoll CR1 TXIE LL_I2C_DisableIT_TX
Kojto 136:ef9c61f8c49f 1283 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1284 * @retval None
Kojto 136:ef9c61f8c49f 1285 */
Kojto 136:ef9c61f8c49f 1286 __STATIC_INLINE void LL_I2C_DisableIT_TX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1287 {
Kojto 136:ef9c61f8c49f 1288 CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXIE);
Kojto 136:ef9c61f8c49f 1289 }
Kojto 136:ef9c61f8c49f 1290
Kojto 136:ef9c61f8c49f 1291 /**
Kojto 136:ef9c61f8c49f 1292 * @brief Check if the TXIS Interrupt is enabled or disabled.
Kojto 136:ef9c61f8c49f 1293 * @rmtoll CR1 TXIE LL_I2C_IsEnabledIT_TX
Kojto 136:ef9c61f8c49f 1294 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1295 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1296 */
Kojto 136:ef9c61f8c49f 1297 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1298 {
Kojto 136:ef9c61f8c49f 1299 return (READ_BIT(I2Cx->CR1, I2C_CR1_TXIE) == (I2C_CR1_TXIE));
Kojto 136:ef9c61f8c49f 1300 }
Kojto 136:ef9c61f8c49f 1301
Kojto 136:ef9c61f8c49f 1302 /**
Kojto 136:ef9c61f8c49f 1303 * @brief Enable RXNE interrupt.
Kojto 136:ef9c61f8c49f 1304 * @rmtoll CR1 RXIE LL_I2C_EnableIT_RX
Kojto 136:ef9c61f8c49f 1305 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1306 * @retval None
Kojto 136:ef9c61f8c49f 1307 */
Kojto 136:ef9c61f8c49f 1308 __STATIC_INLINE void LL_I2C_EnableIT_RX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1309 {
Kojto 136:ef9c61f8c49f 1310 SET_BIT(I2Cx->CR1, I2C_CR1_RXIE);
Kojto 136:ef9c61f8c49f 1311 }
Kojto 136:ef9c61f8c49f 1312
Kojto 136:ef9c61f8c49f 1313 /**
Kojto 136:ef9c61f8c49f 1314 * @brief Disable RXNE interrupt.
Kojto 136:ef9c61f8c49f 1315 * @rmtoll CR1 RXIE LL_I2C_DisableIT_RX
Kojto 136:ef9c61f8c49f 1316 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1317 * @retval None
Kojto 136:ef9c61f8c49f 1318 */
Kojto 136:ef9c61f8c49f 1319 __STATIC_INLINE void LL_I2C_DisableIT_RX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1320 {
Kojto 136:ef9c61f8c49f 1321 CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXIE);
Kojto 136:ef9c61f8c49f 1322 }
Kojto 136:ef9c61f8c49f 1323
Kojto 136:ef9c61f8c49f 1324 /**
Kojto 136:ef9c61f8c49f 1325 * @brief Check if the RXNE Interrupt is enabled or disabled.
Kojto 136:ef9c61f8c49f 1326 * @rmtoll CR1 RXIE LL_I2C_IsEnabledIT_RX
Kojto 136:ef9c61f8c49f 1327 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1328 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1329 */
Kojto 136:ef9c61f8c49f 1330 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_RX(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1331 {
Kojto 136:ef9c61f8c49f 1332 return (READ_BIT(I2Cx->CR1, I2C_CR1_RXIE) == (I2C_CR1_RXIE));
Kojto 136:ef9c61f8c49f 1333 }
Kojto 136:ef9c61f8c49f 1334
Kojto 136:ef9c61f8c49f 1335 /**
Kojto 136:ef9c61f8c49f 1336 * @brief Enable Address match interrupt (slave mode only).
Kojto 136:ef9c61f8c49f 1337 * @rmtoll CR1 ADDRIE LL_I2C_EnableIT_ADDR
Kojto 136:ef9c61f8c49f 1338 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1339 * @retval None
Kojto 136:ef9c61f8c49f 1340 */
Kojto 136:ef9c61f8c49f 1341 __STATIC_INLINE void LL_I2C_EnableIT_ADDR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1342 {
Kojto 136:ef9c61f8c49f 1343 SET_BIT(I2Cx->CR1, I2C_CR1_ADDRIE);
Kojto 136:ef9c61f8c49f 1344 }
Kojto 136:ef9c61f8c49f 1345
Kojto 136:ef9c61f8c49f 1346 /**
Kojto 136:ef9c61f8c49f 1347 * @brief Disable Address match interrupt (slave mode only).
Kojto 136:ef9c61f8c49f 1348 * @rmtoll CR1 ADDRIE LL_I2C_DisableIT_ADDR
Kojto 136:ef9c61f8c49f 1349 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1350 * @retval None
Kojto 136:ef9c61f8c49f 1351 */
Kojto 136:ef9c61f8c49f 1352 __STATIC_INLINE void LL_I2C_DisableIT_ADDR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1353 {
Kojto 136:ef9c61f8c49f 1354 CLEAR_BIT(I2Cx->CR1, I2C_CR1_ADDRIE);
Kojto 136:ef9c61f8c49f 1355 }
Kojto 136:ef9c61f8c49f 1356
Kojto 136:ef9c61f8c49f 1357 /**
Kojto 136:ef9c61f8c49f 1358 * @brief Check if Address match interrupt is enabled or disabled.
Kojto 136:ef9c61f8c49f 1359 * @rmtoll CR1 ADDRIE LL_I2C_IsEnabledIT_ADDR
Kojto 136:ef9c61f8c49f 1360 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1361 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1362 */
Kojto 136:ef9c61f8c49f 1363 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ADDR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1364 {
Kojto 136:ef9c61f8c49f 1365 return (READ_BIT(I2Cx->CR1, I2C_CR1_ADDRIE) == (I2C_CR1_ADDRIE));
Kojto 136:ef9c61f8c49f 1366 }
Kojto 136:ef9c61f8c49f 1367
Kojto 136:ef9c61f8c49f 1368 /**
Kojto 136:ef9c61f8c49f 1369 * @brief Enable Not acknowledge received interrupt.
Kojto 136:ef9c61f8c49f 1370 * @rmtoll CR1 NACKIE LL_I2C_EnableIT_NACK
Kojto 136:ef9c61f8c49f 1371 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1372 * @retval None
Kojto 136:ef9c61f8c49f 1373 */
Kojto 136:ef9c61f8c49f 1374 __STATIC_INLINE void LL_I2C_EnableIT_NACK(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1375 {
Kojto 136:ef9c61f8c49f 1376 SET_BIT(I2Cx->CR1, I2C_CR1_NACKIE);
Kojto 136:ef9c61f8c49f 1377 }
Kojto 136:ef9c61f8c49f 1378
Kojto 136:ef9c61f8c49f 1379 /**
Kojto 136:ef9c61f8c49f 1380 * @brief Disable Not acknowledge received interrupt.
Kojto 136:ef9c61f8c49f 1381 * @rmtoll CR1 NACKIE LL_I2C_DisableIT_NACK
Kojto 136:ef9c61f8c49f 1382 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1383 * @retval None
Kojto 136:ef9c61f8c49f 1384 */
Kojto 136:ef9c61f8c49f 1385 __STATIC_INLINE void LL_I2C_DisableIT_NACK(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1386 {
Kojto 136:ef9c61f8c49f 1387 CLEAR_BIT(I2Cx->CR1, I2C_CR1_NACKIE);
Kojto 136:ef9c61f8c49f 1388 }
Kojto 136:ef9c61f8c49f 1389
Kojto 136:ef9c61f8c49f 1390 /**
Kojto 136:ef9c61f8c49f 1391 * @brief Check if Not acknowledge received interrupt is enabled or disabled.
Kojto 136:ef9c61f8c49f 1392 * @rmtoll CR1 NACKIE LL_I2C_IsEnabledIT_NACK
Kojto 136:ef9c61f8c49f 1393 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1394 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1395 */
Kojto 136:ef9c61f8c49f 1396 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_NACK(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1397 {
Kojto 136:ef9c61f8c49f 1398 return (READ_BIT(I2Cx->CR1, I2C_CR1_NACKIE) == (I2C_CR1_NACKIE));
Kojto 136:ef9c61f8c49f 1399 }
Kojto 136:ef9c61f8c49f 1400
Kojto 136:ef9c61f8c49f 1401 /**
Kojto 136:ef9c61f8c49f 1402 * @brief Enable STOP detection interrupt.
Kojto 136:ef9c61f8c49f 1403 * @rmtoll CR1 STOPIE LL_I2C_EnableIT_STOP
Kojto 136:ef9c61f8c49f 1404 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1405 * @retval None
Kojto 136:ef9c61f8c49f 1406 */
Kojto 136:ef9c61f8c49f 1407 __STATIC_INLINE void LL_I2C_EnableIT_STOP(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1408 {
Kojto 136:ef9c61f8c49f 1409 SET_BIT(I2Cx->CR1, I2C_CR1_STOPIE);
Kojto 136:ef9c61f8c49f 1410 }
Kojto 136:ef9c61f8c49f 1411
Kojto 136:ef9c61f8c49f 1412 /**
Kojto 136:ef9c61f8c49f 1413 * @brief Disable STOP detection interrupt.
Kojto 136:ef9c61f8c49f 1414 * @rmtoll CR1 STOPIE LL_I2C_DisableIT_STOP
Kojto 136:ef9c61f8c49f 1415 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1416 * @retval None
Kojto 136:ef9c61f8c49f 1417 */
Kojto 136:ef9c61f8c49f 1418 __STATIC_INLINE void LL_I2C_DisableIT_STOP(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1419 {
Kojto 136:ef9c61f8c49f 1420 CLEAR_BIT(I2Cx->CR1, I2C_CR1_STOPIE);
Kojto 136:ef9c61f8c49f 1421 }
Kojto 136:ef9c61f8c49f 1422
Kojto 136:ef9c61f8c49f 1423 /**
Kojto 136:ef9c61f8c49f 1424 * @brief Check if STOP detection interrupt is enabled or disabled.
Kojto 136:ef9c61f8c49f 1425 * @rmtoll CR1 STOPIE LL_I2C_IsEnabledIT_STOP
Kojto 136:ef9c61f8c49f 1426 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1427 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1428 */
Kojto 136:ef9c61f8c49f 1429 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_STOP(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1430 {
Kojto 136:ef9c61f8c49f 1431 return (READ_BIT(I2Cx->CR1, I2C_CR1_STOPIE) == (I2C_CR1_STOPIE));
Kojto 136:ef9c61f8c49f 1432 }
Kojto 136:ef9c61f8c49f 1433
Kojto 136:ef9c61f8c49f 1434 /**
Kojto 136:ef9c61f8c49f 1435 * @brief Enable Transfer Complete interrupt.
Kojto 136:ef9c61f8c49f 1436 * @note Any of these events will generate interrupt :
Kojto 136:ef9c61f8c49f 1437 * Transfer Complete (TC)
Kojto 136:ef9c61f8c49f 1438 * Transfer Complete Reload (TCR)
Kojto 136:ef9c61f8c49f 1439 * @rmtoll CR1 TCIE LL_I2C_EnableIT_TC
Kojto 136:ef9c61f8c49f 1440 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1441 * @retval None
Kojto 136:ef9c61f8c49f 1442 */
Kojto 136:ef9c61f8c49f 1443 __STATIC_INLINE void LL_I2C_EnableIT_TC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1444 {
Kojto 136:ef9c61f8c49f 1445 SET_BIT(I2Cx->CR1, I2C_CR1_TCIE);
Kojto 136:ef9c61f8c49f 1446 }
Kojto 136:ef9c61f8c49f 1447
Kojto 136:ef9c61f8c49f 1448 /**
Kojto 136:ef9c61f8c49f 1449 * @brief Disable Transfer Complete interrupt.
Kojto 136:ef9c61f8c49f 1450 * @note Any of these events will generate interrupt :
Kojto 136:ef9c61f8c49f 1451 * Transfer Complete (TC)
Kojto 136:ef9c61f8c49f 1452 * Transfer Complete Reload (TCR)
Kojto 136:ef9c61f8c49f 1453 * @rmtoll CR1 TCIE LL_I2C_DisableIT_TC
Kojto 136:ef9c61f8c49f 1454 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1455 * @retval None
Kojto 136:ef9c61f8c49f 1456 */
Kojto 136:ef9c61f8c49f 1457 __STATIC_INLINE void LL_I2C_DisableIT_TC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1458 {
Kojto 136:ef9c61f8c49f 1459 CLEAR_BIT(I2Cx->CR1, I2C_CR1_TCIE);
Kojto 136:ef9c61f8c49f 1460 }
Kojto 136:ef9c61f8c49f 1461
Kojto 136:ef9c61f8c49f 1462 /**
Kojto 136:ef9c61f8c49f 1463 * @brief Check if Transfer Complete interrupt is enabled or disabled.
Kojto 136:ef9c61f8c49f 1464 * @rmtoll CR1 TCIE LL_I2C_IsEnabledIT_TC
Kojto 136:ef9c61f8c49f 1465 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1466 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1467 */
Kojto 136:ef9c61f8c49f 1468 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1469 {
Kojto 136:ef9c61f8c49f 1470 return (READ_BIT(I2Cx->CR1, I2C_CR1_TCIE) == (I2C_CR1_TCIE));
Kojto 136:ef9c61f8c49f 1471 }
Kojto 136:ef9c61f8c49f 1472
Kojto 136:ef9c61f8c49f 1473 /**
Kojto 136:ef9c61f8c49f 1474 * @brief Enable Error interrupts.
Kojto 136:ef9c61f8c49f 1475 * @note Any of these errors will generate interrupt :
Kojto 136:ef9c61f8c49f 1476 * Arbitration Loss (ARLO)
Kojto 136:ef9c61f8c49f 1477 * Bus Error detection (BERR)
Kojto 136:ef9c61f8c49f 1478 * Overrun/Underrun (OVR)
Kojto 136:ef9c61f8c49f 1479 * SMBus Timeout detection (TIMEOUT)
Kojto 136:ef9c61f8c49f 1480 * SMBus PEC error detection (PECERR)
Kojto 136:ef9c61f8c49f 1481 * SMBus Alert pin event detection (ALERT)
Kojto 136:ef9c61f8c49f 1482 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1483 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1484 * @rmtoll CR1 ERRIE LL_I2C_EnableIT_ERR
Kojto 136:ef9c61f8c49f 1485 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1486 * @retval None
Kojto 136:ef9c61f8c49f 1487 */
Kojto 136:ef9c61f8c49f 1488 __STATIC_INLINE void LL_I2C_EnableIT_ERR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1489 {
Kojto 136:ef9c61f8c49f 1490 SET_BIT(I2Cx->CR1, I2C_CR1_ERRIE);
Kojto 136:ef9c61f8c49f 1491 }
Kojto 136:ef9c61f8c49f 1492
Kojto 136:ef9c61f8c49f 1493 /**
Kojto 136:ef9c61f8c49f 1494 * @brief Disable Error interrupts.
Kojto 136:ef9c61f8c49f 1495 * @note Any of these errors will generate interrupt :
Kojto 136:ef9c61f8c49f 1496 * Arbitration Loss (ARLO)
Kojto 136:ef9c61f8c49f 1497 * Bus Error detection (BERR)
Kojto 136:ef9c61f8c49f 1498 * Overrun/Underrun (OVR)
Kojto 136:ef9c61f8c49f 1499 * SMBus Timeout detection (TIMEOUT)
Kojto 136:ef9c61f8c49f 1500 * SMBus PEC error detection (PECERR)
Kojto 136:ef9c61f8c49f 1501 * SMBus Alert pin event detection (ALERT)
Kojto 136:ef9c61f8c49f 1502 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1503 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1504 * @rmtoll CR1 ERRIE LL_I2C_DisableIT_ERR
Kojto 136:ef9c61f8c49f 1505 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1506 * @retval None
Kojto 136:ef9c61f8c49f 1507 */
Kojto 136:ef9c61f8c49f 1508 __STATIC_INLINE void LL_I2C_DisableIT_ERR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1509 {
Kojto 136:ef9c61f8c49f 1510 CLEAR_BIT(I2Cx->CR1, I2C_CR1_ERRIE);
Kojto 136:ef9c61f8c49f 1511 }
Kojto 136:ef9c61f8c49f 1512
Kojto 136:ef9c61f8c49f 1513 /**
Kojto 136:ef9c61f8c49f 1514 * @brief Check if Error interrupts is enabled of disabled.
Kojto 136:ef9c61f8c49f 1515 * @rmtoll CR1 ERRIE LL_I2C_IsEnabledIT_ERR
Kojto 136:ef9c61f8c49f 1516 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1517 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1518 */
Kojto 136:ef9c61f8c49f 1519 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1520 {
Kojto 136:ef9c61f8c49f 1521 return (READ_BIT(I2Cx->CR1, I2C_CR1_ERRIE) == (I2C_CR1_ERRIE));
Kojto 136:ef9c61f8c49f 1522 }
Kojto 136:ef9c61f8c49f 1523
Kojto 136:ef9c61f8c49f 1524 /**
Kojto 136:ef9c61f8c49f 1525 * @}
Kojto 136:ef9c61f8c49f 1526 */
Kojto 136:ef9c61f8c49f 1527
Kojto 136:ef9c61f8c49f 1528 /** @defgroup I2C_LL_EF_FLAG_management FLAG_management
Kojto 136:ef9c61f8c49f 1529 * @{
Kojto 136:ef9c61f8c49f 1530 */
Kojto 136:ef9c61f8c49f 1531
Kojto 136:ef9c61f8c49f 1532 /**
Kojto 136:ef9c61f8c49f 1533 * @brief Indicate the status of Transmit data register empty flag.
Kojto 136:ef9c61f8c49f 1534 * @note RESET: When next data is written in Transmit data register.
Kojto 136:ef9c61f8c49f 1535 * SET: When Transmit data register is empty.
Kojto 136:ef9c61f8c49f 1536 * @rmtoll ISR TXE LL_I2C_IsActiveFlag_TXE
Kojto 136:ef9c61f8c49f 1537 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1538 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1539 */
Kojto 136:ef9c61f8c49f 1540 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1541 {
Kojto 136:ef9c61f8c49f 1542 return (READ_BIT(I2Cx->ISR, I2C_ISR_TXE) == (I2C_ISR_TXE));
Kojto 136:ef9c61f8c49f 1543 }
Kojto 136:ef9c61f8c49f 1544
Kojto 136:ef9c61f8c49f 1545 /**
Kojto 136:ef9c61f8c49f 1546 * @brief Indicate the status of Transmit interrupt flag.
Kojto 136:ef9c61f8c49f 1547 * @note RESET: When next data is written in Transmit data register.
Kojto 136:ef9c61f8c49f 1548 * SET: When Transmit data register is empty.
Kojto 136:ef9c61f8c49f 1549 * @rmtoll ISR TXIS LL_I2C_IsActiveFlag_TXIS
Kojto 136:ef9c61f8c49f 1550 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1551 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1552 */
Kojto 136:ef9c61f8c49f 1553 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1554 {
Kojto 136:ef9c61f8c49f 1555 return (READ_BIT(I2Cx->ISR, I2C_ISR_TXIS) == (I2C_ISR_TXIS));
Kojto 136:ef9c61f8c49f 1556 }
Kojto 136:ef9c61f8c49f 1557
Kojto 136:ef9c61f8c49f 1558 /**
Kojto 136:ef9c61f8c49f 1559 * @brief Indicate the status of Receive data register not empty flag.
Kojto 136:ef9c61f8c49f 1560 * @note RESET: When Receive data register is read.
Kojto 136:ef9c61f8c49f 1561 * SET: When the received data is copied in Receive data register.
Kojto 136:ef9c61f8c49f 1562 * @rmtoll ISR RXNE LL_I2C_IsActiveFlag_RXNE
Kojto 136:ef9c61f8c49f 1563 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1564 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1565 */
Kojto 136:ef9c61f8c49f 1566 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1567 {
Kojto 136:ef9c61f8c49f 1568 return (READ_BIT(I2Cx->ISR, I2C_ISR_RXNE) == (I2C_ISR_RXNE));
Kojto 136:ef9c61f8c49f 1569 }
Kojto 136:ef9c61f8c49f 1570
Kojto 136:ef9c61f8c49f 1571 /**
Kojto 136:ef9c61f8c49f 1572 * @brief Indicate the status of Address matched flag (slave mode).
Kojto 136:ef9c61f8c49f 1573 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1574 * SET: When the received slave address matched with one of the enabled slave address.
Kojto 136:ef9c61f8c49f 1575 * @rmtoll ISR ADDR LL_I2C_IsActiveFlag_ADDR
Kojto 136:ef9c61f8c49f 1576 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1577 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1578 */
Kojto 136:ef9c61f8c49f 1579 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1580 {
Kojto 136:ef9c61f8c49f 1581 return (READ_BIT(I2Cx->ISR, I2C_ISR_ADDR) == (I2C_ISR_ADDR));
Kojto 136:ef9c61f8c49f 1582 }
Kojto 136:ef9c61f8c49f 1583
Kojto 136:ef9c61f8c49f 1584 /**
Kojto 136:ef9c61f8c49f 1585 * @brief Indicate the status of Not Acknowledge received flag.
Kojto 136:ef9c61f8c49f 1586 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1587 * SET: When a NACK is received after a byte transmission.
Kojto 136:ef9c61f8c49f 1588 * @rmtoll ISR NACKF LL_I2C_IsActiveFlag_NACK
Kojto 136:ef9c61f8c49f 1589 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1590 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1591 */
Kojto 136:ef9c61f8c49f 1592 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1593 {
Kojto 136:ef9c61f8c49f 1594 return (READ_BIT(I2Cx->ISR, I2C_ISR_NACKF) == (I2C_ISR_NACKF));
Kojto 136:ef9c61f8c49f 1595 }
Kojto 136:ef9c61f8c49f 1596
Kojto 136:ef9c61f8c49f 1597 /**
Kojto 136:ef9c61f8c49f 1598 * @brief Indicate the status of Stop detection flag.
Kojto 136:ef9c61f8c49f 1599 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1600 * SET: When a Stop condition is detected.
Kojto 136:ef9c61f8c49f 1601 * @rmtoll ISR STOPF LL_I2C_IsActiveFlag_STOP
Kojto 136:ef9c61f8c49f 1602 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1603 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1604 */
Kojto 136:ef9c61f8c49f 1605 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1606 {
Kojto 136:ef9c61f8c49f 1607 return (READ_BIT(I2Cx->ISR, I2C_ISR_STOPF) == (I2C_ISR_STOPF));
Kojto 136:ef9c61f8c49f 1608 }
Kojto 136:ef9c61f8c49f 1609
Kojto 136:ef9c61f8c49f 1610 /**
Kojto 136:ef9c61f8c49f 1611 * @brief Indicate the status of Transfer complete flag (master mode).
Kojto 136:ef9c61f8c49f 1612 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1613 * SET: When RELOAD=0, AUTOEND=0 and NBYTES date have been transferred.
Kojto 136:ef9c61f8c49f 1614 * @rmtoll ISR TC LL_I2C_IsActiveFlag_TC
Kojto 136:ef9c61f8c49f 1615 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1616 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1617 */
Kojto 136:ef9c61f8c49f 1618 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1619 {
Kojto 136:ef9c61f8c49f 1620 return (READ_BIT(I2Cx->ISR, I2C_ISR_TC) == (I2C_ISR_TC));
Kojto 136:ef9c61f8c49f 1621 }
Kojto 136:ef9c61f8c49f 1622
Kojto 136:ef9c61f8c49f 1623 /**
Kojto 136:ef9c61f8c49f 1624 * @brief Indicate the status of Transfer complete flag (master mode).
Kojto 136:ef9c61f8c49f 1625 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1626 * SET: When RELOAD=1 and NBYTES date have been transferred.
Kojto 136:ef9c61f8c49f 1627 * @rmtoll ISR TCR LL_I2C_IsActiveFlag_TCR
Kojto 136:ef9c61f8c49f 1628 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1629 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1630 */
Kojto 136:ef9c61f8c49f 1631 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1632 {
Kojto 136:ef9c61f8c49f 1633 return (READ_BIT(I2Cx->ISR, I2C_ISR_TCR) == (I2C_ISR_TCR));
Kojto 136:ef9c61f8c49f 1634 }
Kojto 136:ef9c61f8c49f 1635
Kojto 136:ef9c61f8c49f 1636 /**
Kojto 136:ef9c61f8c49f 1637 * @brief Indicate the status of Bus error flag.
Kojto 136:ef9c61f8c49f 1638 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1639 * SET: When a misplaced Start or Stop condition is detected.
Kojto 136:ef9c61f8c49f 1640 * @rmtoll ISR BERR LL_I2C_IsActiveFlag_BERR
Kojto 136:ef9c61f8c49f 1641 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1642 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1643 */
Kojto 136:ef9c61f8c49f 1644 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1645 {
Kojto 136:ef9c61f8c49f 1646 return (READ_BIT(I2Cx->ISR, I2C_ISR_BERR) == (I2C_ISR_BERR));
Kojto 136:ef9c61f8c49f 1647 }
Kojto 136:ef9c61f8c49f 1648
Kojto 136:ef9c61f8c49f 1649 /**
Kojto 136:ef9c61f8c49f 1650 * @brief Indicate the status of Arbitration lost flag.
Kojto 136:ef9c61f8c49f 1651 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1652 * SET: When arbitration lost.
Kojto 136:ef9c61f8c49f 1653 * @rmtoll ISR ARLO LL_I2C_IsActiveFlag_ARLO
Kojto 136:ef9c61f8c49f 1654 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1655 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1656 */
Kojto 136:ef9c61f8c49f 1657 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1658 {
Kojto 136:ef9c61f8c49f 1659 return (READ_BIT(I2Cx->ISR, I2C_ISR_ARLO) == (I2C_ISR_ARLO));
Kojto 136:ef9c61f8c49f 1660 }
Kojto 136:ef9c61f8c49f 1661
Kojto 136:ef9c61f8c49f 1662 /**
Kojto 136:ef9c61f8c49f 1663 * @brief Indicate the status of Overrun/Underrun flag (slave mode).
Kojto 136:ef9c61f8c49f 1664 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1665 * SET: When an overrun/underrun error occurs (Clock Stretching Disabled).
Kojto 136:ef9c61f8c49f 1666 * @rmtoll ISR OVR LL_I2C_IsActiveFlag_OVR
Kojto 136:ef9c61f8c49f 1667 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1668 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1669 */
Kojto 136:ef9c61f8c49f 1670 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1671 {
Kojto 136:ef9c61f8c49f 1672 return (READ_BIT(I2Cx->ISR, I2C_ISR_OVR) == (I2C_ISR_OVR));
Kojto 136:ef9c61f8c49f 1673 }
Kojto 136:ef9c61f8c49f 1674
Kojto 136:ef9c61f8c49f 1675 /**
Kojto 136:ef9c61f8c49f 1676 * @brief Indicate the status of Bus Busy flag.
Kojto 136:ef9c61f8c49f 1677 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1678 * SET: When a Start condition is detected.
Kojto 136:ef9c61f8c49f 1679 * @rmtoll ISR BUSY LL_I2C_IsActiveFlag_BUSY
Kojto 136:ef9c61f8c49f 1680 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1681 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1682 */
Kojto 136:ef9c61f8c49f 1683 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1684 {
Kojto 136:ef9c61f8c49f 1685 return (READ_BIT(I2Cx->ISR, I2C_ISR_BUSY) == (I2C_ISR_BUSY));
Kojto 136:ef9c61f8c49f 1686 }
Kojto 136:ef9c61f8c49f 1687
Kojto 136:ef9c61f8c49f 1688 /**
Kojto 136:ef9c61f8c49f 1689 * @brief Clear Address Matched flag.
Kojto 136:ef9c61f8c49f 1690 * @rmtoll ICR ADDRCF LL_I2C_ClearFlag_ADDR
Kojto 136:ef9c61f8c49f 1691 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1692 * @retval None
Kojto 136:ef9c61f8c49f 1693 */
Kojto 136:ef9c61f8c49f 1694 __STATIC_INLINE void LL_I2C_ClearFlag_ADDR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1695 {
Kojto 136:ef9c61f8c49f 1696 SET_BIT(I2Cx->ICR, I2C_ICR_ADDRCF);
Kojto 136:ef9c61f8c49f 1697 }
Kojto 136:ef9c61f8c49f 1698
Kojto 136:ef9c61f8c49f 1699 /**
Kojto 136:ef9c61f8c49f 1700 * @brief Clear Not Acknowledge flag.
Kojto 136:ef9c61f8c49f 1701 * @rmtoll ICR NACKCF LL_I2C_ClearFlag_NACK
Kojto 136:ef9c61f8c49f 1702 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1703 * @retval None
Kojto 136:ef9c61f8c49f 1704 */
Kojto 136:ef9c61f8c49f 1705 __STATIC_INLINE void LL_I2C_ClearFlag_NACK(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1706 {
Kojto 136:ef9c61f8c49f 1707 SET_BIT(I2Cx->ICR, I2C_ICR_NACKCF);
Kojto 136:ef9c61f8c49f 1708 }
Kojto 136:ef9c61f8c49f 1709
Kojto 136:ef9c61f8c49f 1710 /**
Kojto 136:ef9c61f8c49f 1711 * @brief Clear Stop detection flag.
Kojto 136:ef9c61f8c49f 1712 * @rmtoll ICR STOPCF LL_I2C_ClearFlag_STOP
Kojto 136:ef9c61f8c49f 1713 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1714 * @retval None
Kojto 136:ef9c61f8c49f 1715 */
Kojto 136:ef9c61f8c49f 1716 __STATIC_INLINE void LL_I2C_ClearFlag_STOP(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1717 {
Kojto 136:ef9c61f8c49f 1718 SET_BIT(I2Cx->ICR, I2C_ICR_STOPCF);
Kojto 136:ef9c61f8c49f 1719 }
Kojto 136:ef9c61f8c49f 1720
Kojto 136:ef9c61f8c49f 1721 /**
Kojto 136:ef9c61f8c49f 1722 * @brief Clear Transmit data register empty flag (TXE).
Kojto 136:ef9c61f8c49f 1723 * @note This bit can be clear by software in order to flush the transmit data register (TXDR).
Kojto 136:ef9c61f8c49f 1724 * @rmtoll ISR TXE LL_I2C_ClearFlag_TXE
Kojto 136:ef9c61f8c49f 1725 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1726 * @retval None
Kojto 136:ef9c61f8c49f 1727 */
Kojto 136:ef9c61f8c49f 1728 __STATIC_INLINE void LL_I2C_ClearFlag_TXE(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1729 {
Kojto 136:ef9c61f8c49f 1730 WRITE_REG(I2Cx->ISR, I2C_ISR_TXE);
Kojto 136:ef9c61f8c49f 1731 }
Kojto 136:ef9c61f8c49f 1732
Kojto 136:ef9c61f8c49f 1733 /**
Kojto 136:ef9c61f8c49f 1734 * @brief Clear Bus error flag.
Kojto 136:ef9c61f8c49f 1735 * @rmtoll ICR BERRCF LL_I2C_ClearFlag_BERR
Kojto 136:ef9c61f8c49f 1736 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1737 * @retval None
Kojto 136:ef9c61f8c49f 1738 */
Kojto 136:ef9c61f8c49f 1739 __STATIC_INLINE void LL_I2C_ClearFlag_BERR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1740 {
Kojto 136:ef9c61f8c49f 1741 SET_BIT(I2Cx->ICR, I2C_ICR_BERRCF);
Kojto 136:ef9c61f8c49f 1742 }
Kojto 136:ef9c61f8c49f 1743
Kojto 136:ef9c61f8c49f 1744 /**
Kojto 136:ef9c61f8c49f 1745 * @brief Clear Arbitration lost flag.
Kojto 136:ef9c61f8c49f 1746 * @rmtoll ICR ARLOCF LL_I2C_ClearFlag_ARLO
Kojto 136:ef9c61f8c49f 1747 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1748 * @retval None
Kojto 136:ef9c61f8c49f 1749 */
Kojto 136:ef9c61f8c49f 1750 __STATIC_INLINE void LL_I2C_ClearFlag_ARLO(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1751 {
Kojto 136:ef9c61f8c49f 1752 SET_BIT(I2Cx->ICR, I2C_ICR_ARLOCF);
Kojto 136:ef9c61f8c49f 1753 }
Kojto 136:ef9c61f8c49f 1754
Kojto 136:ef9c61f8c49f 1755 /**
Kojto 136:ef9c61f8c49f 1756 * @brief Clear Overrun/Underrun flag.
Kojto 136:ef9c61f8c49f 1757 * @rmtoll ICR OVRCF LL_I2C_ClearFlag_OVR
Kojto 136:ef9c61f8c49f 1758 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1759 * @retval None
Kojto 136:ef9c61f8c49f 1760 */
Kojto 136:ef9c61f8c49f 1761 __STATIC_INLINE void LL_I2C_ClearFlag_OVR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1762 {
Kojto 136:ef9c61f8c49f 1763 SET_BIT(I2Cx->ICR, I2C_ICR_OVRCF);
Kojto 136:ef9c61f8c49f 1764 }
Kojto 136:ef9c61f8c49f 1765
Kojto 136:ef9c61f8c49f 1766 /**
Kojto 136:ef9c61f8c49f 1767 * @brief Indicate the status of SMBus PEC error flag in reception.
Kojto 136:ef9c61f8c49f 1768 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1769 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1770 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1771 * SET: When the received PEC does not match with the PEC register content.
Kojto 136:ef9c61f8c49f 1772 * @rmtoll ISR PECERR LL_I2C_IsActiveSMBusFlag_PECERR
Kojto 136:ef9c61f8c49f 1773 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1774 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1775 */
Kojto 136:ef9c61f8c49f 1776 __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_PECERR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1777 {
Kojto 136:ef9c61f8c49f 1778 return (READ_BIT(I2Cx->ISR, I2C_ISR_PECERR) == (I2C_ISR_PECERR));
Kojto 136:ef9c61f8c49f 1779 }
Kojto 136:ef9c61f8c49f 1780
Kojto 136:ef9c61f8c49f 1781 /**
Kojto 136:ef9c61f8c49f 1782 * @brief Indicate the status of SMBus Timeout detection flag.
Kojto 136:ef9c61f8c49f 1783 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1784 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1785 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1786 * SET: When a timeout or extended clock timeout occurs.
Kojto 136:ef9c61f8c49f 1787 * @rmtoll ISR TIMEOUT LL_I2C_IsActiveSMBusFlag_TIMEOUT
Kojto 136:ef9c61f8c49f 1788 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1789 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1790 */
Kojto 136:ef9c61f8c49f 1791 __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1792 {
Kojto 136:ef9c61f8c49f 1793 return (READ_BIT(I2Cx->ISR, I2C_ISR_TIMEOUT) == (I2C_ISR_TIMEOUT));
Kojto 136:ef9c61f8c49f 1794 }
Kojto 136:ef9c61f8c49f 1795
Kojto 136:ef9c61f8c49f 1796 /**
Kojto 136:ef9c61f8c49f 1797 * @brief Indicate the status of SMBus alert flag.
Kojto 136:ef9c61f8c49f 1798 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1799 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1800 * @note RESET: Clear default value.
Kojto 136:ef9c61f8c49f 1801 * SET: When SMBus host configuration, SMBus alert enabled and
Kojto 136:ef9c61f8c49f 1802 * a falling edge event occurs on SMBA pin.
Kojto 136:ef9c61f8c49f 1803 * @rmtoll ISR ALERT LL_I2C_IsActiveSMBusFlag_ALERT
Kojto 136:ef9c61f8c49f 1804 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1805 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1806 */
Kojto 136:ef9c61f8c49f 1807 __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_ALERT(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1808 {
Kojto 136:ef9c61f8c49f 1809 return (READ_BIT(I2Cx->ISR, I2C_ISR_ALERT) == (I2C_ISR_ALERT));
Kojto 136:ef9c61f8c49f 1810 }
Kojto 136:ef9c61f8c49f 1811
Kojto 136:ef9c61f8c49f 1812 /**
Kojto 136:ef9c61f8c49f 1813 * @brief Clear SMBus PEC error flag.
Kojto 136:ef9c61f8c49f 1814 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1815 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1816 * @rmtoll ICR PECCF LL_I2C_ClearSMBusFlag_PECERR
Kojto 136:ef9c61f8c49f 1817 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1818 * @retval None
Kojto 136:ef9c61f8c49f 1819 */
Kojto 136:ef9c61f8c49f 1820 __STATIC_INLINE void LL_I2C_ClearSMBusFlag_PECERR(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1821 {
Kojto 136:ef9c61f8c49f 1822 SET_BIT(I2Cx->ICR, I2C_ICR_PECCF);
Kojto 136:ef9c61f8c49f 1823 }
Kojto 136:ef9c61f8c49f 1824
Kojto 136:ef9c61f8c49f 1825 /**
Kojto 136:ef9c61f8c49f 1826 * @brief Clear SMBus Timeout detection flag.
Kojto 136:ef9c61f8c49f 1827 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1828 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1829 * @rmtoll ICR TIMOUTCF LL_I2C_ClearSMBusFlag_TIMEOUT
Kojto 136:ef9c61f8c49f 1830 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1831 * @retval None
Kojto 136:ef9c61f8c49f 1832 */
Kojto 136:ef9c61f8c49f 1833 __STATIC_INLINE void LL_I2C_ClearSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1834 {
Kojto 136:ef9c61f8c49f 1835 SET_BIT(I2Cx->ICR, I2C_ICR_TIMOUTCF);
Kojto 136:ef9c61f8c49f 1836 }
Kojto 136:ef9c61f8c49f 1837
Kojto 136:ef9c61f8c49f 1838 /**
Kojto 136:ef9c61f8c49f 1839 * @brief Clear SMBus Alert flag.
Kojto 136:ef9c61f8c49f 1840 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 1841 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 1842 * @rmtoll ICR ALERTCF LL_I2C_ClearSMBusFlag_ALERT
Kojto 136:ef9c61f8c49f 1843 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1844 * @retval None
Kojto 136:ef9c61f8c49f 1845 */
Kojto 136:ef9c61f8c49f 1846 __STATIC_INLINE void LL_I2C_ClearSMBusFlag_ALERT(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1847 {
Kojto 136:ef9c61f8c49f 1848 SET_BIT(I2Cx->ICR, I2C_ICR_ALERTCF);
Kojto 136:ef9c61f8c49f 1849 }
Kojto 136:ef9c61f8c49f 1850
Kojto 136:ef9c61f8c49f 1851 /**
Kojto 136:ef9c61f8c49f 1852 * @}
Kojto 136:ef9c61f8c49f 1853 */
Kojto 136:ef9c61f8c49f 1854
Kojto 136:ef9c61f8c49f 1855 /** @defgroup I2C_LL_EF_Data_Management Data_Management
Kojto 136:ef9c61f8c49f 1856 * @{
Kojto 136:ef9c61f8c49f 1857 */
Kojto 136:ef9c61f8c49f 1858
Kojto 136:ef9c61f8c49f 1859 /**
Kojto 136:ef9c61f8c49f 1860 * @brief Enable automatic STOP condition generation (master mode).
Kojto 136:ef9c61f8c49f 1861 * @note Automatic end mode : a STOP condition is automatically sent when NBYTES data are transferred.
Kojto 136:ef9c61f8c49f 1862 * This bit has no effect in slave mode or when RELOAD bit is set.
Kojto 136:ef9c61f8c49f 1863 * @rmtoll CR2 AUTOEND LL_I2C_EnableAutoEndMode
Kojto 136:ef9c61f8c49f 1864 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1865 * @retval None
Kojto 136:ef9c61f8c49f 1866 */
Kojto 136:ef9c61f8c49f 1867 __STATIC_INLINE void LL_I2C_EnableAutoEndMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1868 {
Kojto 136:ef9c61f8c49f 1869 SET_BIT(I2Cx->CR2, I2C_CR2_AUTOEND);
Kojto 136:ef9c61f8c49f 1870 }
Kojto 136:ef9c61f8c49f 1871
Kojto 136:ef9c61f8c49f 1872 /**
Kojto 136:ef9c61f8c49f 1873 * @brief Disable automatic STOP condition generation (master mode).
Kojto 136:ef9c61f8c49f 1874 * @note Software end mode : TC flag is set when NBYTES data are transferre, stretching SCL low.
Kojto 136:ef9c61f8c49f 1875 * @rmtoll CR2 AUTOEND LL_I2C_DisableAutoEndMode
Kojto 136:ef9c61f8c49f 1876 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1877 * @retval None
Kojto 136:ef9c61f8c49f 1878 */
Kojto 136:ef9c61f8c49f 1879 __STATIC_INLINE void LL_I2C_DisableAutoEndMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1880 {
Kojto 136:ef9c61f8c49f 1881 CLEAR_BIT(I2Cx->CR2, I2C_CR2_AUTOEND);
Kojto 136:ef9c61f8c49f 1882 }
Kojto 136:ef9c61f8c49f 1883
Kojto 136:ef9c61f8c49f 1884 /**
Kojto 136:ef9c61f8c49f 1885 * @brief Check if automatic STOP condition is enabled or disabled.
Kojto 136:ef9c61f8c49f 1886 * @rmtoll CR2 AUTOEND LL_I2C_IsEnabledAutoEndMode
Kojto 136:ef9c61f8c49f 1887 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1888 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1889 */
Kojto 136:ef9c61f8c49f 1890 __STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoEndMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1891 {
Kojto 136:ef9c61f8c49f 1892 return (READ_BIT(I2Cx->CR2, I2C_CR2_AUTOEND) == (I2C_CR2_AUTOEND));
Kojto 136:ef9c61f8c49f 1893 }
Kojto 136:ef9c61f8c49f 1894
Kojto 136:ef9c61f8c49f 1895 /**
Kojto 136:ef9c61f8c49f 1896 * @brief Enable reload mode (master mode).
Kojto 136:ef9c61f8c49f 1897 * @note The transfer is not completed after the NBYTES data transfer, NBYTES will be reloaded when TCR flag is set.
Kojto 136:ef9c61f8c49f 1898 * @rmtoll CR2 RELOAD LL_I2C_EnableReloadMode
Kojto 136:ef9c61f8c49f 1899 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1900 * @retval None
Kojto 136:ef9c61f8c49f 1901 */
Kojto 136:ef9c61f8c49f 1902 __STATIC_INLINE void LL_I2C_EnableReloadMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1903 {
Kojto 136:ef9c61f8c49f 1904 SET_BIT(I2Cx->CR2, I2C_CR2_RELOAD);
Kojto 136:ef9c61f8c49f 1905 }
Kojto 136:ef9c61f8c49f 1906
Kojto 136:ef9c61f8c49f 1907 /**
Kojto 136:ef9c61f8c49f 1908 * @brief Disable reload mode (master mode).
Kojto 136:ef9c61f8c49f 1909 * @note The transfer is completed after the NBYTES data transfer(STOP or RESTART will follow).
Kojto 136:ef9c61f8c49f 1910 * @rmtoll CR2 RELOAD LL_I2C_DisableReloadMode
Kojto 136:ef9c61f8c49f 1911 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1912 * @retval None
Kojto 136:ef9c61f8c49f 1913 */
Kojto 136:ef9c61f8c49f 1914 __STATIC_INLINE void LL_I2C_DisableReloadMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1915 {
Kojto 136:ef9c61f8c49f 1916 CLEAR_BIT(I2Cx->CR2, I2C_CR2_RELOAD);
Kojto 136:ef9c61f8c49f 1917 }
Kojto 136:ef9c61f8c49f 1918
Kojto 136:ef9c61f8c49f 1919 /**
Kojto 136:ef9c61f8c49f 1920 * @brief Check if reload mode is enabled or disabled.
Kojto 136:ef9c61f8c49f 1921 * @rmtoll CR2 RELOAD LL_I2C_IsEnabledReloadMode
Kojto 136:ef9c61f8c49f 1922 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1923 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 1924 */
Kojto 136:ef9c61f8c49f 1925 __STATIC_INLINE uint32_t LL_I2C_IsEnabledReloadMode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1926 {
Kojto 136:ef9c61f8c49f 1927 return (READ_BIT(I2Cx->CR2, I2C_CR2_RELOAD) == (I2C_CR2_RELOAD));
Kojto 136:ef9c61f8c49f 1928 }
Kojto 136:ef9c61f8c49f 1929
Kojto 136:ef9c61f8c49f 1930 /**
Kojto 136:ef9c61f8c49f 1931 * @brief Configure the number of bytes for transfer.
Kojto 136:ef9c61f8c49f 1932 * @note Changing these bits when START bit is set is not allowed.
Kojto 136:ef9c61f8c49f 1933 * @rmtoll CR2 NBYTES LL_I2C_SetTransferSize
Kojto 136:ef9c61f8c49f 1934 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1935 * @param TransferSize This parameter must be a value between Min_Data=0x00 and Max_Data=0xFF.
Kojto 136:ef9c61f8c49f 1936 * @retval None
Kojto 136:ef9c61f8c49f 1937 */
Kojto 136:ef9c61f8c49f 1938 __STATIC_INLINE void LL_I2C_SetTransferSize(I2C_TypeDef *I2Cx, uint32_t TransferSize)
Kojto 136:ef9c61f8c49f 1939 {
Kojto 136:ef9c61f8c49f 1940 MODIFY_REG(I2Cx->CR2, I2C_CR2_NBYTES, TransferSize << I2C_POSITION_CR2_NBYTES);
Kojto 136:ef9c61f8c49f 1941 }
Kojto 136:ef9c61f8c49f 1942
Kojto 136:ef9c61f8c49f 1943 /**
Kojto 136:ef9c61f8c49f 1944 * @brief Get the number of bytes configured for transfer.
Kojto 136:ef9c61f8c49f 1945 * @rmtoll CR2 NBYTES LL_I2C_GetTransferSize
Kojto 136:ef9c61f8c49f 1946 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1947 * @retval Value between Min_Data=0x0 and Max_Data=0xFF
Kojto 136:ef9c61f8c49f 1948 */
Kojto 136:ef9c61f8c49f 1949 __STATIC_INLINE uint32_t LL_I2C_GetTransferSize(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1950 {
Kojto 136:ef9c61f8c49f 1951 return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_NBYTES) >> I2C_POSITION_CR2_NBYTES);
Kojto 136:ef9c61f8c49f 1952 }
Kojto 136:ef9c61f8c49f 1953
Kojto 136:ef9c61f8c49f 1954 /**
Kojto 136:ef9c61f8c49f 1955 * @brief Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte.
Kojto 136:ef9c61f8c49f 1956 * @note Usage in Slave mode only.
Kojto 136:ef9c61f8c49f 1957 * @rmtoll CR2 NACK LL_I2C_AcknowledgeNextData
Kojto 136:ef9c61f8c49f 1958 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1959 * @param TypeAcknowledge This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 1960 * @arg @ref LL_I2C_ACK
Kojto 136:ef9c61f8c49f 1961 * @arg @ref LL_I2C_NACK
Kojto 136:ef9c61f8c49f 1962 * @retval None
Kojto 136:ef9c61f8c49f 1963 */
Kojto 136:ef9c61f8c49f 1964 __STATIC_INLINE void LL_I2C_AcknowledgeNextData(I2C_TypeDef *I2Cx, uint32_t TypeAcknowledge)
Kojto 136:ef9c61f8c49f 1965 {
Kojto 136:ef9c61f8c49f 1966 MODIFY_REG(I2Cx->CR2, I2C_CR2_NACK, TypeAcknowledge);
Kojto 136:ef9c61f8c49f 1967 }
Kojto 136:ef9c61f8c49f 1968
Kojto 136:ef9c61f8c49f 1969 /**
Kojto 136:ef9c61f8c49f 1970 * @brief Generate a STOP condition after the current byte transfer (master mode).
Kojto 136:ef9c61f8c49f 1971 * @rmtoll CR2 STOP LL_I2C_GenerateStopCondition
Kojto 136:ef9c61f8c49f 1972 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1973 * @retval None
Kojto 136:ef9c61f8c49f 1974 */
Kojto 136:ef9c61f8c49f 1975 __STATIC_INLINE void LL_I2C_GenerateStopCondition(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1976 {
Kojto 136:ef9c61f8c49f 1977 SET_BIT(I2Cx->CR2, I2C_CR2_STOP);
Kojto 136:ef9c61f8c49f 1978 }
Kojto 136:ef9c61f8c49f 1979
Kojto 136:ef9c61f8c49f 1980 /**
Kojto 136:ef9c61f8c49f 1981 * @brief Generate a START or RESTART condition
Kojto 136:ef9c61f8c49f 1982 * @note The START bit can be set even if bus is BUSY or I2C is in slave mode.
Kojto 136:ef9c61f8c49f 1983 * This action has no effect when RELOAD is set.
Kojto 136:ef9c61f8c49f 1984 * @rmtoll CR2 START LL_I2C_GenerateStartCondition
Kojto 136:ef9c61f8c49f 1985 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1986 * @retval None
Kojto 136:ef9c61f8c49f 1987 */
Kojto 136:ef9c61f8c49f 1988 __STATIC_INLINE void LL_I2C_GenerateStartCondition(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 1989 {
Kojto 136:ef9c61f8c49f 1990 SET_BIT(I2Cx->CR2, I2C_CR2_START);
Kojto 136:ef9c61f8c49f 1991 }
Kojto 136:ef9c61f8c49f 1992
Kojto 136:ef9c61f8c49f 1993 /**
Kojto 136:ef9c61f8c49f 1994 * @brief Enable automatic RESTART Read request condition for 10bit address header (master mode).
Kojto 136:ef9c61f8c49f 1995 * @note The master sends the complete 10bit slave address read sequence :
Kojto 136:ef9c61f8c49f 1996 * Start + 2 bytes 10bit address in Write direction + Restart + first 7 bits of 10bit address in Read direction.
Kojto 136:ef9c61f8c49f 1997 * @rmtoll CR2 HEAD10R LL_I2C_EnableAuto10BitRead
Kojto 136:ef9c61f8c49f 1998 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 1999 * @retval None
Kojto 136:ef9c61f8c49f 2000 */
Kojto 136:ef9c61f8c49f 2001 __STATIC_INLINE void LL_I2C_EnableAuto10BitRead(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2002 {
Kojto 136:ef9c61f8c49f 2003 CLEAR_BIT(I2Cx->CR2, I2C_CR2_HEAD10R);
Kojto 136:ef9c61f8c49f 2004 }
Kojto 136:ef9c61f8c49f 2005
Kojto 136:ef9c61f8c49f 2006 /**
Kojto 136:ef9c61f8c49f 2007 * @brief Disable automatic RESTART Read request condition for 10bit address header (master mode).
Kojto 136:ef9c61f8c49f 2008 * @note The master only sends the first 7 bits of 10bit address in Read direction.
Kojto 136:ef9c61f8c49f 2009 * @rmtoll CR2 HEAD10R LL_I2C_DisableAuto10BitRead
Kojto 136:ef9c61f8c49f 2010 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2011 * @retval None
Kojto 136:ef9c61f8c49f 2012 */
Kojto 136:ef9c61f8c49f 2013 __STATIC_INLINE void LL_I2C_DisableAuto10BitRead(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2014 {
Kojto 136:ef9c61f8c49f 2015 SET_BIT(I2Cx->CR2, I2C_CR2_HEAD10R);
Kojto 136:ef9c61f8c49f 2016 }
Kojto 136:ef9c61f8c49f 2017
Kojto 136:ef9c61f8c49f 2018 /**
Kojto 136:ef9c61f8c49f 2019 * @brief Check if automatic RESTART Read request condition for 10bit address header is enabled or disabled.
Kojto 136:ef9c61f8c49f 2020 * @rmtoll CR2 HEAD10R LL_I2C_IsEnabledAuto10BitRead
Kojto 136:ef9c61f8c49f 2021 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2022 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 2023 */
Kojto 136:ef9c61f8c49f 2024 __STATIC_INLINE uint32_t LL_I2C_IsEnabledAuto10BitRead(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2025 {
Kojto 136:ef9c61f8c49f 2026 return (READ_BIT(I2Cx->CR2, I2C_CR2_HEAD10R) != (I2C_CR2_HEAD10R));
Kojto 136:ef9c61f8c49f 2027 }
Kojto 136:ef9c61f8c49f 2028
Kojto 136:ef9c61f8c49f 2029 /**
Kojto 136:ef9c61f8c49f 2030 * @brief Configure the transfer direction (master mode).
Kojto 136:ef9c61f8c49f 2031 * @note Changing these bits when START bit is set is not allowed.
Kojto 136:ef9c61f8c49f 2032 * @rmtoll CR2 RD_WRN LL_I2C_SetTransferRequest
Kojto 136:ef9c61f8c49f 2033 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2034 * @param TransferRequest This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 2035 * @arg @ref LL_I2C_REQUEST_WRITE
Kojto 136:ef9c61f8c49f 2036 * @arg @ref LL_I2C_REQUEST_READ
Kojto 136:ef9c61f8c49f 2037 * @retval None
Kojto 136:ef9c61f8c49f 2038 */
Kojto 136:ef9c61f8c49f 2039 __STATIC_INLINE void LL_I2C_SetTransferRequest(I2C_TypeDef *I2Cx, uint32_t TransferRequest)
Kojto 136:ef9c61f8c49f 2040 {
Kojto 136:ef9c61f8c49f 2041 MODIFY_REG(I2Cx->CR2, I2C_CR2_RD_WRN, TransferRequest);
Kojto 136:ef9c61f8c49f 2042 }
Kojto 136:ef9c61f8c49f 2043
Kojto 136:ef9c61f8c49f 2044 /**
Kojto 136:ef9c61f8c49f 2045 * @brief Get the transfer direction requested (master mode).
Kojto 136:ef9c61f8c49f 2046 * @rmtoll CR2 RD_WRN LL_I2C_GetTransferRequest
Kojto 136:ef9c61f8c49f 2047 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2048 * @retval Returned value can be one of the following values:
Kojto 136:ef9c61f8c49f 2049 * @arg @ref LL_I2C_REQUEST_WRITE
Kojto 136:ef9c61f8c49f 2050 * @arg @ref LL_I2C_REQUEST_READ
Kojto 136:ef9c61f8c49f 2051 */
Kojto 136:ef9c61f8c49f 2052 __STATIC_INLINE uint32_t LL_I2C_GetTransferRequest(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2053 {
Kojto 136:ef9c61f8c49f 2054 return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_RD_WRN));
Kojto 136:ef9c61f8c49f 2055 }
Kojto 136:ef9c61f8c49f 2056
Kojto 136:ef9c61f8c49f 2057 /**
Kojto 136:ef9c61f8c49f 2058 * @brief Configure the slave address for transfer (master mode).
Kojto 136:ef9c61f8c49f 2059 * @note Changing these bits when START bit is set is not allowed.
Kojto 136:ef9c61f8c49f 2060 * @rmtoll CR2 SADD LL_I2C_SetSlaveAddr
Kojto 136:ef9c61f8c49f 2061 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2062 * @param SlaveAddr This parameter must be a value between Min_Data=0x00 and Max_Data=0x3F.
Kojto 136:ef9c61f8c49f 2063 * @retval None
Kojto 136:ef9c61f8c49f 2064 */
Kojto 136:ef9c61f8c49f 2065 __STATIC_INLINE void LL_I2C_SetSlaveAddr(I2C_TypeDef *I2Cx, uint32_t SlaveAddr)
Kojto 136:ef9c61f8c49f 2066 {
Kojto 136:ef9c61f8c49f 2067 MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD, SlaveAddr);
Kojto 136:ef9c61f8c49f 2068 }
Kojto 136:ef9c61f8c49f 2069
Kojto 136:ef9c61f8c49f 2070 /**
Kojto 136:ef9c61f8c49f 2071 * @brief Get the slave address programmed for transfer.
Kojto 136:ef9c61f8c49f 2072 * @rmtoll CR2 SADD LL_I2C_GetSlaveAddr
Kojto 136:ef9c61f8c49f 2073 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2074 * @retval Value between Min_Data=0x0 and Max_Data=0x3F
Kojto 136:ef9c61f8c49f 2075 */
Kojto 136:ef9c61f8c49f 2076 __STATIC_INLINE uint32_t LL_I2C_GetSlaveAddr(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2077 {
Kojto 136:ef9c61f8c49f 2078 return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_SADD));
Kojto 136:ef9c61f8c49f 2079 }
Kojto 136:ef9c61f8c49f 2080
Kojto 136:ef9c61f8c49f 2081 /**
Kojto 136:ef9c61f8c49f 2082 * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set).
Kojto 136:ef9c61f8c49f 2083 * @rmtoll CR2 SADD LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2084 * CR2 ADD10 LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2085 * CR2 RD_WRN LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2086 * CR2 START LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2087 * CR2 STOP LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2088 * CR2 RELOAD LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2089 * CR2 NBYTES LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2090 * CR2 AUTOEND LL_I2C_HandleTransfer\n
Kojto 136:ef9c61f8c49f 2091 * CR2 HEAD10R LL_I2C_HandleTransfer
Kojto 136:ef9c61f8c49f 2092 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2093 * @param SlaveAddr Specifies the slave address to be programmed.
Kojto 136:ef9c61f8c49f 2094 * @param SlaveAddrSize This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 2095 * @arg @ref LL_I2C_ADDRSLAVE_7BIT
Kojto 136:ef9c61f8c49f 2096 * @arg @ref LL_I2C_ADDRSLAVE_10BIT
Kojto 136:ef9c61f8c49f 2097 * @param TransferSize Specifies the number of bytes to be programmed.
Kojto 136:ef9c61f8c49f 2098 * This parameter must be a value between 0 and 255.
Kojto 136:ef9c61f8c49f 2099 * @param EndMode This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 2100 * @arg @ref LL_I2C_MODE_RELOAD
Kojto 136:ef9c61f8c49f 2101 * @arg @ref LL_I2C_MODE_AUTOEND
Kojto 136:ef9c61f8c49f 2102 * @arg @ref LL_I2C_MODE_SOFTEND
Kojto 136:ef9c61f8c49f 2103 * @arg @ref LL_I2C_MODE_SMBUS_RELOAD
Kojto 136:ef9c61f8c49f 2104 * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC
Kojto 136:ef9c61f8c49f 2105 * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC
Kojto 136:ef9c61f8c49f 2106 * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC
Kojto 136:ef9c61f8c49f 2107 * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC
Kojto 136:ef9c61f8c49f 2108 * @param Request This parameter can be one of the following values:
Kojto 136:ef9c61f8c49f 2109 * @arg @ref LL_I2C_GENERATE_NOSTARTSTOP
Kojto 136:ef9c61f8c49f 2110 * @arg @ref LL_I2C_GENERATE_STOP
Kojto 136:ef9c61f8c49f 2111 * @arg @ref LL_I2C_GENERATE_START_READ
Kojto 136:ef9c61f8c49f 2112 * @arg @ref LL_I2C_GENERATE_START_WRITE
Kojto 136:ef9c61f8c49f 2113 * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_READ
Kojto 136:ef9c61f8c49f 2114 * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_WRITE
Kojto 136:ef9c61f8c49f 2115 * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_READ
Kojto 136:ef9c61f8c49f 2116 * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_WRITE
Kojto 136:ef9c61f8c49f 2117 * @retval None
Kojto 136:ef9c61f8c49f 2118 */
Kojto 136:ef9c61f8c49f 2119 __STATIC_INLINE void LL_I2C_HandleTransfer(I2C_TypeDef *I2Cx, uint32_t SlaveAddr, uint32_t SlaveAddrSize,
Kojto 136:ef9c61f8c49f 2120 uint32_t TransferSize, uint32_t EndMode, uint32_t Request)
Kojto 136:ef9c61f8c49f 2121 {
Kojto 136:ef9c61f8c49f 2122 MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD | I2C_CR2_ADD10 | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_RELOAD |
Kojto 136:ef9c61f8c49f 2123 I2C_CR2_NBYTES | I2C_CR2_AUTOEND | I2C_CR2_HEAD10R,
Kojto 136:ef9c61f8c49f 2124 SlaveAddr | SlaveAddrSize | TransferSize << I2C_POSITION_CR2_NBYTES | EndMode | Request);
Kojto 136:ef9c61f8c49f 2125 }
Kojto 136:ef9c61f8c49f 2126
Kojto 136:ef9c61f8c49f 2127 /**
Kojto 136:ef9c61f8c49f 2128 * @brief Indicate the value of transfer direction (slave mode).
Kojto 136:ef9c61f8c49f 2129 * @note RESET: Write transfer, Slave enters in receiver mode.
Kojto 136:ef9c61f8c49f 2130 * SET: Read transfer, Slave enters in transmitter mode.
Kojto 136:ef9c61f8c49f 2131 * @rmtoll ISR DIR LL_I2C_GetTransferDirection
Kojto 136:ef9c61f8c49f 2132 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2133 * @retval Returned value can be one of the following values:
Kojto 136:ef9c61f8c49f 2134 * @arg @ref LL_I2C_DIRECTION_WRITE
Kojto 136:ef9c61f8c49f 2135 * @arg @ref LL_I2C_DIRECTION_READ
Kojto 136:ef9c61f8c49f 2136 */
Kojto 136:ef9c61f8c49f 2137 __STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2138 {
Kojto 136:ef9c61f8c49f 2139 return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_DIR));
Kojto 136:ef9c61f8c49f 2140 }
Kojto 136:ef9c61f8c49f 2141
Kojto 136:ef9c61f8c49f 2142 /**
Kojto 136:ef9c61f8c49f 2143 * @brief Return the slave matched address.
Kojto 136:ef9c61f8c49f 2144 * @rmtoll ISR ADDCODE LL_I2C_GetAddressMatchCode
Kojto 136:ef9c61f8c49f 2145 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2146 * @retval Value between Min_Data=0x00 and Max_Data=0x3F
Kojto 136:ef9c61f8c49f 2147 */
Kojto 136:ef9c61f8c49f 2148 __STATIC_INLINE uint32_t LL_I2C_GetAddressMatchCode(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2149 {
Kojto 136:ef9c61f8c49f 2150 return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_ADDCODE) >> I2C_POSITION_ISR_ADDCODE << 1);
Kojto 136:ef9c61f8c49f 2151 }
Kojto 136:ef9c61f8c49f 2152
Kojto 136:ef9c61f8c49f 2153 /**
Kojto 136:ef9c61f8c49f 2154 * @brief Enable internal comparison of Packet Error byte (transmission or reception mode).
Kojto 136:ef9c61f8c49f 2155 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 2156 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 2157 * @note This feature is cleared by hardware when the PEC byte is transferred, or when a STOP condition or an Address Matched is received.
Kojto 136:ef9c61f8c49f 2158 * This bit has no effect when RELOAD bit is set.
Kojto 136:ef9c61f8c49f 2159 * This bit has no effect in device mode when SBC bit is not set.
Kojto 136:ef9c61f8c49f 2160 * @rmtoll CR2 PECBYTE LL_I2C_EnableSMBusPECCompare
Kojto 136:ef9c61f8c49f 2161 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2162 * @retval None
Kojto 136:ef9c61f8c49f 2163 */
Kojto 136:ef9c61f8c49f 2164 __STATIC_INLINE void LL_I2C_EnableSMBusPECCompare(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2165 {
Kojto 136:ef9c61f8c49f 2166 SET_BIT(I2Cx->CR2, I2C_CR2_PECBYTE);
Kojto 136:ef9c61f8c49f 2167 }
Kojto 136:ef9c61f8c49f 2168
Kojto 136:ef9c61f8c49f 2169 /**
Kojto 136:ef9c61f8c49f 2170 * @brief Check if Packet Error byte internal comparison is requested or not.
Kojto 136:ef9c61f8c49f 2171 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 2172 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 2173 * @rmtoll CR2 PECBYTE LL_I2C_IsEnabledSMBusPECCompare
Kojto 136:ef9c61f8c49f 2174 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2175 * @retval State of bit (1 or 0).
Kojto 136:ef9c61f8c49f 2176 */
Kojto 136:ef9c61f8c49f 2177 __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPECCompare(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2178 {
Kojto 136:ef9c61f8c49f 2179 return (READ_BIT(I2Cx->CR2, I2C_CR2_PECBYTE) == (I2C_CR2_PECBYTE));
Kojto 136:ef9c61f8c49f 2180 }
Kojto 136:ef9c61f8c49f 2181
Kojto 136:ef9c61f8c49f 2182 /**
Kojto 136:ef9c61f8c49f 2183 * @brief Get the Packet Error byte calculated.
Kojto 136:ef9c61f8c49f 2184 * @note Macro @ref IS_SMBUS_INSTANCE(I2Cx) can be used to check whether or not
Kojto 136:ef9c61f8c49f 2185 * SMBus feature is supported by the I2Cx Instance.
Kojto 136:ef9c61f8c49f 2186 * @rmtoll PECR PEC LL_I2C_GetSMBusPEC
Kojto 136:ef9c61f8c49f 2187 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2188 * @retval Value between Min_Data=0x00 and Max_Data=0xFF
Kojto 136:ef9c61f8c49f 2189 */
Kojto 136:ef9c61f8c49f 2190 __STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2191 {
Kojto 136:ef9c61f8c49f 2192 return (uint32_t)(READ_BIT(I2Cx->PECR, I2C_PECR_PEC));
Kojto 136:ef9c61f8c49f 2193 }
Kojto 136:ef9c61f8c49f 2194
Kojto 136:ef9c61f8c49f 2195 /**
Kojto 136:ef9c61f8c49f 2196 * @brief Read Receive Data register.
Kojto 136:ef9c61f8c49f 2197 * @rmtoll RXDR RXDATA LL_I2C_ReceiveData8
Kojto 136:ef9c61f8c49f 2198 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2199 * @retval Value between Min_Data=0x00 and Max_Data=0xFF
Kojto 136:ef9c61f8c49f 2200 */
Kojto 136:ef9c61f8c49f 2201 __STATIC_INLINE uint8_t LL_I2C_ReceiveData8(I2C_TypeDef *I2Cx)
Kojto 136:ef9c61f8c49f 2202 {
Kojto 136:ef9c61f8c49f 2203 return (uint8_t)(READ_BIT(I2Cx->RXDR, I2C_RXDR_RXDATA));
Kojto 136:ef9c61f8c49f 2204 }
Kojto 136:ef9c61f8c49f 2205
Kojto 136:ef9c61f8c49f 2206 /**
Kojto 136:ef9c61f8c49f 2207 * @brief Write in Transmit Data Register .
Kojto 136:ef9c61f8c49f 2208 * @rmtoll TXDR TXDATA LL_I2C_TransmitData8
Kojto 136:ef9c61f8c49f 2209 * @param I2Cx I2C Instance.
Kojto 136:ef9c61f8c49f 2210 * @param Data Value between Min_Data=0x00 and Max_Data=0xFF
Kojto 136:ef9c61f8c49f 2211 * @retval None
Kojto 136:ef9c61f8c49f 2212 */
Kojto 136:ef9c61f8c49f 2213 __STATIC_INLINE void LL_I2C_TransmitData8(I2C_TypeDef *I2Cx, uint8_t Data)
Kojto 136:ef9c61f8c49f 2214 {
Kojto 136:ef9c61f8c49f 2215 WRITE_REG(I2Cx->TXDR, Data);
Kojto 136:ef9c61f8c49f 2216 }
Kojto 136:ef9c61f8c49f 2217
Kojto 136:ef9c61f8c49f 2218 /**
Kojto 136:ef9c61f8c49f 2219 * @}
Kojto 136:ef9c61f8c49f 2220 */
Kojto 136:ef9c61f8c49f 2221
Kojto 136:ef9c61f8c49f 2222 #if defined(USE_FULL_LL_DRIVER)
Kojto 136:ef9c61f8c49f 2223 /** @defgroup I2C_LL_EF_Init Initialization and de-initialization functions
Kojto 136:ef9c61f8c49f 2224 * @{
Kojto 136:ef9c61f8c49f 2225 */
Kojto 136:ef9c61f8c49f 2226
Kojto 136:ef9c61f8c49f 2227 uint32_t LL_I2C_Init(I2C_TypeDef *I2Cx, LL_I2C_InitTypeDef *I2C_InitStruct);
Kojto 136:ef9c61f8c49f 2228 uint32_t LL_I2C_DeInit(I2C_TypeDef *I2Cx);
Kojto 136:ef9c61f8c49f 2229 void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct);
Kojto 136:ef9c61f8c49f 2230
Kojto 136:ef9c61f8c49f 2231
Kojto 136:ef9c61f8c49f 2232 /**
Kojto 136:ef9c61f8c49f 2233 * @}
Kojto 136:ef9c61f8c49f 2234 */
Kojto 136:ef9c61f8c49f 2235 #endif /* USE_FULL_LL_DRIVER */
Kojto 136:ef9c61f8c49f 2236
Kojto 136:ef9c61f8c49f 2237 /**
Kojto 136:ef9c61f8c49f 2238 * @}
Kojto 136:ef9c61f8c49f 2239 */
Kojto 136:ef9c61f8c49f 2240
Kojto 136:ef9c61f8c49f 2241 /**
Kojto 136:ef9c61f8c49f 2242 * @}
Kojto 136:ef9c61f8c49f 2243 */
Kojto 136:ef9c61f8c49f 2244
Kojto 136:ef9c61f8c49f 2245 #endif /* I2C1 || I2C2 || I2C3 */
Kojto 136:ef9c61f8c49f 2246
Kojto 136:ef9c61f8c49f 2247 /**
Kojto 136:ef9c61f8c49f 2248 * @}
Kojto 136:ef9c61f8c49f 2249 */
Kojto 136:ef9c61f8c49f 2250
Kojto 136:ef9c61f8c49f 2251 #ifdef __cplusplus
Kojto 136:ef9c61f8c49f 2252 }
Kojto 136:ef9c61f8c49f 2253 #endif
Kojto 136:ef9c61f8c49f 2254
Kojto 136:ef9c61f8c49f 2255 #endif /* __STM32L0xx_LL_I2C_H */
Kojto 136:ef9c61f8c49f 2256
Kojto 136:ef9c61f8c49f 2257 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/