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TARGET_DISCO_L476VG/stm32l4xx_ll_i2c.h@122:f9eeca106725, 2016-07-07 (annotated)
- Committer:
- Kojto
- Date:
- Thu Jul 07 14:34:11 2016 +0100
- Revision:
- 122:f9eeca106725
Release 122 of the mbed library
Changes:
- new targets - Nucleo L432KC, Beetle, Nucleo F446ZE, Nucleo L011K4
- Thread safety addition - mbed API should contain a statement about thread safety
- critical section API addition
- CAS API (core_util_atomic_incr/decr)
- DEVICE_ are generated from targets.json file, device.h deprecated
- Callback replaces FunctionPointer to provide std like interface
- mbed HAL API docs improvements
- toolchain - prexif attributes with MBED_
- add new attributes - packed, weak, forcedinline, align
- target.json - contains targets definitions
- ST - L1XX - Cube update to 1.5
- SPI clock selection fix (clock from APB domain)
- F7 - Cube update v1.4.0
- L0 - baudrate init fix
- L1 - Cube update v1.5
- F3 - baudrate init fix, 3 targets CAN support
- F4 - Cube update v1.12.0, 3 targets CAN support
- L4XX - Cube update v1.5.1
- F0 - update Cube to v1.5.0
- L4 - 2 targets (L476RG/VG) CAN support
- NXP - pwm clock fix for KSDK2 MCU
- LPC2368 - remove ARM toolchain support - due to regression
- KSDK2 - fix SPI , I2C address and repeat start
- Silabs - some fixes backported from mbed 3
- Renesas - RZ_A1H - SystemCoreClockUpdate addition
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kojto | 122:f9eeca106725 | 1 | /** |
Kojto | 122:f9eeca106725 | 2 | ****************************************************************************** |
Kojto | 122:f9eeca106725 | 3 | * @file stm32l4xx_ll_i2c.h |
Kojto | 122:f9eeca106725 | 4 | * @author MCD Application Team |
Kojto | 122:f9eeca106725 | 5 | * @version V1.5.1 |
Kojto | 122:f9eeca106725 | 6 | * @date 31-May-2016 |
Kojto | 122:f9eeca106725 | 7 | * @brief Header file of I2C LL module. |
Kojto | 122:f9eeca106725 | 8 | ****************************************************************************** |
Kojto | 122:f9eeca106725 | 9 | * @attention |
Kojto | 122:f9eeca106725 | 10 | * |
Kojto | 122:f9eeca106725 | 11 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
Kojto | 122:f9eeca106725 | 12 | * |
Kojto | 122:f9eeca106725 | 13 | * Redistribution and use in source and binary forms, with or without modification, |
Kojto | 122:f9eeca106725 | 14 | * are permitted provided that the following conditions are met: |
Kojto | 122:f9eeca106725 | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
Kojto | 122:f9eeca106725 | 16 | * this list of conditions and the following disclaimer. |
Kojto | 122:f9eeca106725 | 17 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
Kojto | 122:f9eeca106725 | 18 | * this list of conditions and the following disclaimer in the documentation |
Kojto | 122:f9eeca106725 | 19 | * and/or other materials provided with the distribution. |
Kojto | 122:f9eeca106725 | 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
Kojto | 122:f9eeca106725 | 21 | * may be used to endorse or promote products derived from this software |
Kojto | 122:f9eeca106725 | 22 | * without specific prior written permission. |
Kojto | 122:f9eeca106725 | 23 | * |
Kojto | 122:f9eeca106725 | 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
Kojto | 122:f9eeca106725 | 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
Kojto | 122:f9eeca106725 | 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
Kojto | 122:f9eeca106725 | 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
Kojto | 122:f9eeca106725 | 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
Kojto | 122:f9eeca106725 | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
Kojto | 122:f9eeca106725 | 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
Kojto | 122:f9eeca106725 | 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
Kojto | 122:f9eeca106725 | 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
Kojto | 122:f9eeca106725 | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Kojto | 122:f9eeca106725 | 34 | * |
Kojto | 122:f9eeca106725 | 35 | ****************************************************************************** |
Kojto | 122:f9eeca106725 | 36 | */ |
Kojto | 122:f9eeca106725 | 37 | |
Kojto | 122:f9eeca106725 | 38 | /* Define to prevent recursive inclusion -------------------------------------*/ |
Kojto | 122:f9eeca106725 | 39 | #ifndef __STM32L4xx_LL_I2C_H |
Kojto | 122:f9eeca106725 | 40 | #define __STM32L4xx_LL_I2C_H |
Kojto | 122:f9eeca106725 | 41 | |
Kojto | 122:f9eeca106725 | 42 | #ifdef __cplusplus |
Kojto | 122:f9eeca106725 | 43 | extern "C" { |
Kojto | 122:f9eeca106725 | 44 | #endif |
Kojto | 122:f9eeca106725 | 45 | |
Kojto | 122:f9eeca106725 | 46 | /* Includes ------------------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 47 | #include "stm32l4xx.h" |
Kojto | 122:f9eeca106725 | 48 | |
Kojto | 122:f9eeca106725 | 49 | /** @addtogroup STM32L4xx_LL_Driver |
Kojto | 122:f9eeca106725 | 50 | * @{ |
Kojto | 122:f9eeca106725 | 51 | */ |
Kojto | 122:f9eeca106725 | 52 | |
Kojto | 122:f9eeca106725 | 53 | #if defined (I2C1) || defined (I2C2) || defined (I2C3) |
Kojto | 122:f9eeca106725 | 54 | |
Kojto | 122:f9eeca106725 | 55 | /** @defgroup I2C_LL I2C |
Kojto | 122:f9eeca106725 | 56 | * @{ |
Kojto | 122:f9eeca106725 | 57 | */ |
Kojto | 122:f9eeca106725 | 58 | |
Kojto | 122:f9eeca106725 | 59 | /* Private types -------------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 60 | /* Private variables ---------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 61 | |
Kojto | 122:f9eeca106725 | 62 | /* Private constants ---------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 63 | /** @defgroup I2C_LL_Private_Constants I2C Private Constants |
Kojto | 122:f9eeca106725 | 64 | * @{ |
Kojto | 122:f9eeca106725 | 65 | */ |
Kojto | 122:f9eeca106725 | 66 | /* Defines used for the bit position in the register and perform offsets */ |
Kojto | 122:f9eeca106725 | 67 | #define I2C_POSITION_CR1_DNF (uint32_t)POSITION_VAL(I2C_CR1_DNF) |
Kojto | 122:f9eeca106725 | 68 | #define I2C_POSITION_CR2_NBYTES (uint32_t)POSITION_VAL(I2C_CR2_NBYTES) |
Kojto | 122:f9eeca106725 | 69 | #define I2C_POSITION_TIMINGR_PRESC (uint32_t)POSITION_VAL(I2C_TIMINGR_PRESC) |
Kojto | 122:f9eeca106725 | 70 | #define I2C_POSITION_TIMINGR_SCLDEL (uint32_t)POSITION_VAL(I2C_TIMINGR_SCLDEL) |
Kojto | 122:f9eeca106725 | 71 | #define I2C_POSITION_TIMINGR_SDADEL (uint32_t)POSITION_VAL(I2C_TIMINGR_SDADEL) |
Kojto | 122:f9eeca106725 | 72 | #define I2C_POSITION_TIMINGR_SCLH (uint32_t)POSITION_VAL(I2C_TIMINGR_SCLH) |
Kojto | 122:f9eeca106725 | 73 | #define I2C_POSITION_TIMINGR_SCLL (uint32_t)POSITION_VAL(I2C_TIMINGR_SCLL) |
Kojto | 122:f9eeca106725 | 74 | #define I2C_POSITION_ISR_ADDCODE (uint32_t)POSITION_VAL(I2C_ISR_ADDCODE) |
Kojto | 122:f9eeca106725 | 75 | #define I2C_POSITION_TIMEOUTR_TIMEOUTB (uint32_t)POSITION_VAL(I2C_TIMEOUTR_TIMEOUTB) |
Kojto | 122:f9eeca106725 | 76 | /** |
Kojto | 122:f9eeca106725 | 77 | * @} |
Kojto | 122:f9eeca106725 | 78 | */ |
Kojto | 122:f9eeca106725 | 79 | |
Kojto | 122:f9eeca106725 | 80 | /* Private macros ------------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 81 | #if defined(USE_FULL_LL_DRIVER) |
Kojto | 122:f9eeca106725 | 82 | /** @defgroup I2C_LL_Private_Macros I2C Private Macros |
Kojto | 122:f9eeca106725 | 83 | * @{ |
Kojto | 122:f9eeca106725 | 84 | */ |
Kojto | 122:f9eeca106725 | 85 | /** |
Kojto | 122:f9eeca106725 | 86 | * @} |
Kojto | 122:f9eeca106725 | 87 | */ |
Kojto | 122:f9eeca106725 | 88 | #endif /*USE_FULL_LL_DRIVER*/ |
Kojto | 122:f9eeca106725 | 89 | |
Kojto | 122:f9eeca106725 | 90 | /* Exported types ------------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 91 | #if defined(USE_FULL_LL_DRIVER) |
Kojto | 122:f9eeca106725 | 92 | /** @defgroup I2C_LL_ES_INIT I2C Exported Init structure |
Kojto | 122:f9eeca106725 | 93 | * @{ |
Kojto | 122:f9eeca106725 | 94 | */ |
Kojto | 122:f9eeca106725 | 95 | typedef struct |
Kojto | 122:f9eeca106725 | 96 | { |
Kojto | 122:f9eeca106725 | 97 | uint32_t PeripheralMode; /*!< Specifies the peripheral mode. |
Kojto | 122:f9eeca106725 | 98 | This parameter can be a value of @ref I2C_LL_EC_PERIPHERAL_MODE |
Kojto | 122:f9eeca106725 | 99 | |
Kojto | 122:f9eeca106725 | 100 | This feature can be modified afterwards using unitary function @ref LL_I2C_SetMode(). */ |
Kojto | 122:f9eeca106725 | 101 | |
Kojto | 122:f9eeca106725 | 102 | uint32_t Timing; /*!< Specifies the SDA setup, hold time and the SCL high, low period values. |
Kojto | 122:f9eeca106725 | 103 | This parameter must be set by referring to the STM32CubeMX Tool and |
Kojto | 122:f9eeca106725 | 104 | the helper macro @ref __LL_I2C_CONVERT_TIMINGS() |
Kojto | 122:f9eeca106725 | 105 | |
Kojto | 122:f9eeca106725 | 106 | This feature can be modified afterwards using unitary function @ref LL_I2C_SetTiming(). */ |
Kojto | 122:f9eeca106725 | 107 | |
Kojto | 122:f9eeca106725 | 108 | uint32_t AnalogFilter; /*!< Enables or disables analog noise filter. |
Kojto | 122:f9eeca106725 | 109 | This parameter can be a value of @ref I2C_LL_EC_ANALOGFILTER_SELECTION |
Kojto | 122:f9eeca106725 | 110 | |
Kojto | 122:f9eeca106725 | 111 | This feature can be modified afterwards using unitary functions @ref LL_I2C_EnableAnalogFilter() or LL_I2C_DisableAnalogFilter(). */ |
Kojto | 122:f9eeca106725 | 112 | |
Kojto | 122:f9eeca106725 | 113 | uint32_t DigitalFilter; /*!< Configures the digital noise filter. |
Kojto | 122:f9eeca106725 | 114 | This parameter can be a number between Min_Data = 0x00 and Max_Data = 0x0F |
Kojto | 122:f9eeca106725 | 115 | |
Kojto | 122:f9eeca106725 | 116 | This feature can be modified afterwards using unitary function @ref LL_I2C_SetDigitalFilter(). */ |
Kojto | 122:f9eeca106725 | 117 | |
Kojto | 122:f9eeca106725 | 118 | uint32_t OwnAddress1; /*!< Specifies the device own address 1. |
Kojto | 122:f9eeca106725 | 119 | This parameter must be a value between Min_Data = 0x00 and Max_Data = 0x3FF |
Kojto | 122:f9eeca106725 | 120 | |
Kojto | 122:f9eeca106725 | 121 | This feature can be modified afterwards using unitary function @ref LL_I2C_SetOwnAddress1(). */ |
Kojto | 122:f9eeca106725 | 122 | |
Kojto | 122:f9eeca106725 | 123 | uint32_t TypeAcknowledge; /*!< Specifies the ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte. |
Kojto | 122:f9eeca106725 | 124 | This parameter can be a value of @ref I2C_LL_EC_I2C_ACKNOWLEDGE |
Kojto | 122:f9eeca106725 | 125 | |
Kojto | 122:f9eeca106725 | 126 | This feature can be modified afterwards using unitary function @ref LL_I2C_AcknowledgeNextData(). */ |
Kojto | 122:f9eeca106725 | 127 | |
Kojto | 122:f9eeca106725 | 128 | uint32_t OwnAddrSize; /*!< Specifies the device own address 1 size (7-bit or 10-bit). |
Kojto | 122:f9eeca106725 | 129 | This parameter can be a value of @ref I2C_LL_EC_OWNADDRESS1 |
Kojto | 122:f9eeca106725 | 130 | |
Kojto | 122:f9eeca106725 | 131 | This feature can be modified afterwards using unitary function @ref LL_I2C_SetOwnAddress1(). */ |
Kojto | 122:f9eeca106725 | 132 | } LL_I2C_InitTypeDef; |
Kojto | 122:f9eeca106725 | 133 | /** |
Kojto | 122:f9eeca106725 | 134 | * @} |
Kojto | 122:f9eeca106725 | 135 | */ |
Kojto | 122:f9eeca106725 | 136 | #endif /*USE_FULL_LL_DRIVER*/ |
Kojto | 122:f9eeca106725 | 137 | |
Kojto | 122:f9eeca106725 | 138 | /* Exported constants --------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 139 | /** @defgroup I2C_LL_Exported_Constants I2C Exported Constants |
Kojto | 122:f9eeca106725 | 140 | * @{ |
Kojto | 122:f9eeca106725 | 141 | */ |
Kojto | 122:f9eeca106725 | 142 | |
Kojto | 122:f9eeca106725 | 143 | /** @defgroup I2C_LL_EC_CLEAR_FLAG Clear Flags Defines |
Kojto | 122:f9eeca106725 | 144 | * @brief Flags defines which can be used with LL_I2C_WriteReg function |
Kojto | 122:f9eeca106725 | 145 | * @{ |
Kojto | 122:f9eeca106725 | 146 | */ |
Kojto | 122:f9eeca106725 | 147 | #define LL_I2C_ICR_ADDRCF I2C_ICR_ADDRCF /*!< Address Matched flag */ |
Kojto | 122:f9eeca106725 | 148 | #define LL_I2C_ICR_NACKCF I2C_ICR_NACKCF /*!< Not Acknowledge flag */ |
Kojto | 122:f9eeca106725 | 149 | #define LL_I2C_ICR_STOPCF I2C_ICR_STOPCF /*!< Stop detection flag */ |
Kojto | 122:f9eeca106725 | 150 | #define LL_I2C_ICR_BERRCF I2C_ICR_BERRCF /*!< Bus error flag */ |
Kojto | 122:f9eeca106725 | 151 | #define LL_I2C_ICR_ARLOCF I2C_ICR_ARLOCF /*!< Arbitration Lost flag */ |
Kojto | 122:f9eeca106725 | 152 | #define LL_I2C_ICR_OVRCF I2C_ICR_OVRCF /*!< Overrun/Underrun flag */ |
Kojto | 122:f9eeca106725 | 153 | #define LL_I2C_ICR_PECCF I2C_ICR_PECCF /*!< PEC error flag */ |
Kojto | 122:f9eeca106725 | 154 | #define LL_I2C_ICR_TIMOUTCF I2C_ICR_TIMOUTCF /*!< Timeout detection flag */ |
Kojto | 122:f9eeca106725 | 155 | #define LL_I2C_ICR_ALERTCF I2C_ICR_ALERTCF /*!< Alert flag */ |
Kojto | 122:f9eeca106725 | 156 | /** |
Kojto | 122:f9eeca106725 | 157 | * @} |
Kojto | 122:f9eeca106725 | 158 | */ |
Kojto | 122:f9eeca106725 | 159 | |
Kojto | 122:f9eeca106725 | 160 | /** @defgroup I2C_LL_EC_GET_FLAG Get Flags Defines |
Kojto | 122:f9eeca106725 | 161 | * @brief Flags defines which can be used with LL_I2C_ReadReg function |
Kojto | 122:f9eeca106725 | 162 | * @{ |
Kojto | 122:f9eeca106725 | 163 | */ |
Kojto | 122:f9eeca106725 | 164 | #define LL_I2C_ISR_TXE I2C_ISR_TXE /*!< Transmit data register empty */ |
Kojto | 122:f9eeca106725 | 165 | #define LL_I2C_ISR_TXIS I2C_ISR_TXIS /*!< Transmit interrupt status */ |
Kojto | 122:f9eeca106725 | 166 | #define LL_I2C_ISR_RXNE I2C_ISR_RXNE /*!< Receive data register not empty */ |
Kojto | 122:f9eeca106725 | 167 | #define LL_I2C_ISR_ADDR I2C_ISR_ADDR /*!< Address matched (slave mode) */ |
Kojto | 122:f9eeca106725 | 168 | #define LL_I2C_ISR_NACKF I2C_ISR_NACKF /*!< Not Acknowledge received flag */ |
Kojto | 122:f9eeca106725 | 169 | #define LL_I2C_ISR_STOPF I2C_ISR_STOPF /*!< Stop detection flag */ |
Kojto | 122:f9eeca106725 | 170 | #define LL_I2C_ISR_TC I2C_ISR_TC /*!< Transfer Complete (master mode) */ |
Kojto | 122:f9eeca106725 | 171 | #define LL_I2C_ISR_TCR I2C_ISR_TCR /*!< Transfer Complete Reload */ |
Kojto | 122:f9eeca106725 | 172 | #define LL_I2C_ISR_BERR I2C_ISR_BERR /*!< Bus error */ |
Kojto | 122:f9eeca106725 | 173 | #define LL_I2C_ISR_ARLO I2C_ISR_ARLO /*!< Arbitration lost */ |
Kojto | 122:f9eeca106725 | 174 | #define LL_I2C_ISR_OVR I2C_ISR_OVR /*!< Overrun/Underrun (slave mode) */ |
Kojto | 122:f9eeca106725 | 175 | #define LL_I2C_ISR_PECERR I2C_ISR_PECERR /*!< PEC Error in reception (SMBus mode) */ |
Kojto | 122:f9eeca106725 | 176 | #define LL_I2C_ISR_TIMEOUT I2C_ISR_TIMEOUT /*!< Timeout detection flag (SMBus mode) */ |
Kojto | 122:f9eeca106725 | 177 | #define LL_I2C_ISR_ALERT I2C_ISR_ALERT /*!< SMBus alert (SMBus mode) */ |
Kojto | 122:f9eeca106725 | 178 | #define LL_I2C_ISR_BUSY I2C_ISR_BUSY /*!< Bus busy */ |
Kojto | 122:f9eeca106725 | 179 | /** |
Kojto | 122:f9eeca106725 | 180 | * @} |
Kojto | 122:f9eeca106725 | 181 | */ |
Kojto | 122:f9eeca106725 | 182 | |
Kojto | 122:f9eeca106725 | 183 | /** @defgroup I2C_LL_EC_IT IT Defines |
Kojto | 122:f9eeca106725 | 184 | * @brief IT defines which can be used with LL_I2C_ReadReg and LL_I2C_WriteReg functions |
Kojto | 122:f9eeca106725 | 185 | * @{ |
Kojto | 122:f9eeca106725 | 186 | */ |
Kojto | 122:f9eeca106725 | 187 | #define LL_I2C_CR1_TXIE I2C_CR1_TXIE /*!< TX Interrupt enable */ |
Kojto | 122:f9eeca106725 | 188 | #define LL_I2C_CR1_RXIE I2C_CR1_RXIE /*!< RX Interrupt enable */ |
Kojto | 122:f9eeca106725 | 189 | #define LL_I2C_CR1_ADDRIE I2C_CR1_ADDRIE /*!< Address match Interrupt enable (slave only) */ |
Kojto | 122:f9eeca106725 | 190 | #define LL_I2C_CR1_NACKIE I2C_CR1_NACKIE /*!< Not acknowledge received Interrupt enable */ |
Kojto | 122:f9eeca106725 | 191 | #define LL_I2C_CR1_STOPIE I2C_CR1_STOPIE /*!< STOP detection Interrupt enable */ |
Kojto | 122:f9eeca106725 | 192 | #define LL_I2C_CR1_TCIE I2C_CR1_TCIE /*!< Transfer Complete interrupt enable */ |
Kojto | 122:f9eeca106725 | 193 | #define LL_I2C_CR1_ERRIE I2C_CR1_ERRIE /*!< Error interrupts enable */ |
Kojto | 122:f9eeca106725 | 194 | /** |
Kojto | 122:f9eeca106725 | 195 | * @} |
Kojto | 122:f9eeca106725 | 196 | */ |
Kojto | 122:f9eeca106725 | 197 | |
Kojto | 122:f9eeca106725 | 198 | /** @defgroup I2C_LL_EC_PERIPHERAL_MODE Peripheral Mode |
Kojto | 122:f9eeca106725 | 199 | * @{ |
Kojto | 122:f9eeca106725 | 200 | */ |
Kojto | 122:f9eeca106725 | 201 | #define LL_I2C_MODE_I2C ((uint32_t)0x00000000U) /*!< I2C Master or Slave mode */ |
Kojto | 122:f9eeca106725 | 202 | #define LL_I2C_MODE_SMBUS_HOST I2C_CR1_SMBHEN /*!< SMBus Host address acknowledge */ |
Kojto | 122:f9eeca106725 | 203 | #define LL_I2C_MODE_SMBUS_DEVICE ((uint32_t)0x00000000U) /*!< SMBus Device default mode (Default address not acknowledge) */ |
Kojto | 122:f9eeca106725 | 204 | #define LL_I2C_MODE_SMBUS_DEVICE_ARP I2C_CR1_SMBDEN /*!< SMBus Device Default address acknowledge */ |
Kojto | 122:f9eeca106725 | 205 | /** |
Kojto | 122:f9eeca106725 | 206 | * @} |
Kojto | 122:f9eeca106725 | 207 | */ |
Kojto | 122:f9eeca106725 | 208 | |
Kojto | 122:f9eeca106725 | 209 | /** @defgroup I2C_LL_EC_ANALOGFILTER_SELECTION Analog Filter Selection |
Kojto | 122:f9eeca106725 | 210 | * @{ |
Kojto | 122:f9eeca106725 | 211 | */ |
Kojto | 122:f9eeca106725 | 212 | #define LL_I2C_ANALOGFILTER_ENABLE ((uint32_t)0x00000000U) /*!< Analog filter is enabled. */ |
Kojto | 122:f9eeca106725 | 213 | #define LL_I2C_ANALOGFILTER_DISABLE I2C_CR1_ANFOFF /*!< Analog filter is disabled. */ |
Kojto | 122:f9eeca106725 | 214 | /** |
Kojto | 122:f9eeca106725 | 215 | * @} |
Kojto | 122:f9eeca106725 | 216 | */ |
Kojto | 122:f9eeca106725 | 217 | |
Kojto | 122:f9eeca106725 | 218 | /** @defgroup I2C_LL_EC_ADDRESSING_MODE Master Addressing Mode |
Kojto | 122:f9eeca106725 | 219 | * @{ |
Kojto | 122:f9eeca106725 | 220 | */ |
Kojto | 122:f9eeca106725 | 221 | #define LL_I2C_ADDRESSING_MODE_7BIT ((uint32_t) 0x00000000U) /*!< Master operates in 7-bit addressing mode. */ |
Kojto | 122:f9eeca106725 | 222 | #define LL_I2C_ADDRESSING_MODE_10BIT I2C_CR2_ADD10 /*!< Master operates in 10-bit addressing mode.*/ |
Kojto | 122:f9eeca106725 | 223 | /** |
Kojto | 122:f9eeca106725 | 224 | * @} |
Kojto | 122:f9eeca106725 | 225 | */ |
Kojto | 122:f9eeca106725 | 226 | |
Kojto | 122:f9eeca106725 | 227 | /** @defgroup I2C_LL_EC_OWNADDRESS1 Own Address 1 Length |
Kojto | 122:f9eeca106725 | 228 | * @{ |
Kojto | 122:f9eeca106725 | 229 | */ |
Kojto | 122:f9eeca106725 | 230 | #define LL_I2C_OWNADDRESS1_7BIT ((uint32_t)0x00000000U) /*!< Own address 1 is a 7-bit address. */ |
Kojto | 122:f9eeca106725 | 231 | #define LL_I2C_OWNADDRESS1_10BIT I2C_OAR1_OA1MODE /*!< Own address 1 is a 10-bit address.*/ |
Kojto | 122:f9eeca106725 | 232 | /** |
Kojto | 122:f9eeca106725 | 233 | * @} |
Kojto | 122:f9eeca106725 | 234 | */ |
Kojto | 122:f9eeca106725 | 235 | |
Kojto | 122:f9eeca106725 | 236 | /** @defgroup I2C_LL_EC_OWNADDRESS2 Own Address 2 Masks |
Kojto | 122:f9eeca106725 | 237 | * @{ |
Kojto | 122:f9eeca106725 | 238 | */ |
Kojto | 122:f9eeca106725 | 239 | #define LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK /*!< Own Address2 No mask. */ |
Kojto | 122:f9eeca106725 | 240 | #define LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01 /*!< Only Address2 bits[7:2] are compared. */ |
Kojto | 122:f9eeca106725 | 241 | #define LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02 /*!< Only Address2 bits[7:3] are compared. */ |
Kojto | 122:f9eeca106725 | 242 | #define LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03 /*!< Only Address2 bits[7:4] are compared. */ |
Kojto | 122:f9eeca106725 | 243 | #define LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04 /*!< Only Address2 bits[7:5] are compared. */ |
Kojto | 122:f9eeca106725 | 244 | #define LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05 /*!< Only Address2 bits[7:6] are compared. */ |
Kojto | 122:f9eeca106725 | 245 | #define LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06 /*!< Only Address2 bits[7] are compared. */ |
Kojto | 122:f9eeca106725 | 246 | #define LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07 /*!< No comparison is done. All Address2 are acknowledged.*/ |
Kojto | 122:f9eeca106725 | 247 | /** |
Kojto | 122:f9eeca106725 | 248 | * @} |
Kojto | 122:f9eeca106725 | 249 | */ |
Kojto | 122:f9eeca106725 | 250 | |
Kojto | 122:f9eeca106725 | 251 | /** @defgroup I2C_LL_EC_I2C_ACKNOWLEDGE Acknowledge Generation |
Kojto | 122:f9eeca106725 | 252 | * @{ |
Kojto | 122:f9eeca106725 | 253 | */ |
Kojto | 122:f9eeca106725 | 254 | #define LL_I2C_ACK ((uint32_t) 0x00000000U) /*!< ACK is sent after current received byte. */ |
Kojto | 122:f9eeca106725 | 255 | #define LL_I2C_NACK I2C_CR2_NACK /*!< NACK is sent after current received byte.*/ |
Kojto | 122:f9eeca106725 | 256 | /** |
Kojto | 122:f9eeca106725 | 257 | * @} |
Kojto | 122:f9eeca106725 | 258 | */ |
Kojto | 122:f9eeca106725 | 259 | |
Kojto | 122:f9eeca106725 | 260 | /** @defgroup I2C_LL_EC_ADDRSLAVE Slave Address Length |
Kojto | 122:f9eeca106725 | 261 | * @{ |
Kojto | 122:f9eeca106725 | 262 | */ |
Kojto | 122:f9eeca106725 | 263 | #define LL_I2C_ADDRSLAVE_7BIT ((uint32_t)0x00000000U) /*!< Slave Address in 7-bit. */ |
Kojto | 122:f9eeca106725 | 264 | #define LL_I2C_ADDRSLAVE_10BIT I2C_CR2_ADD10 /*!< Slave Address in 10-bit.*/ |
Kojto | 122:f9eeca106725 | 265 | /** |
Kojto | 122:f9eeca106725 | 266 | * @} |
Kojto | 122:f9eeca106725 | 267 | */ |
Kojto | 122:f9eeca106725 | 268 | |
Kojto | 122:f9eeca106725 | 269 | /** @defgroup I2C_LL_EC_REQUEST Transfer Request Direction |
Kojto | 122:f9eeca106725 | 270 | * @{ |
Kojto | 122:f9eeca106725 | 271 | */ |
Kojto | 122:f9eeca106725 | 272 | #define LL_I2C_REQUEST_WRITE ((uint32_t)0x00000000U) /*!< Master request a write transfer. */ |
Kojto | 122:f9eeca106725 | 273 | #define LL_I2C_REQUEST_READ I2C_CR2_RD_WRN /*!< Master request a read transfer. */ |
Kojto | 122:f9eeca106725 | 274 | /** |
Kojto | 122:f9eeca106725 | 275 | * @} |
Kojto | 122:f9eeca106725 | 276 | */ |
Kojto | 122:f9eeca106725 | 277 | |
Kojto | 122:f9eeca106725 | 278 | /** @defgroup I2C_LL_EC_MODE Transfer End Mode |
Kojto | 122:f9eeca106725 | 279 | * @{ |
Kojto | 122:f9eeca106725 | 280 | */ |
Kojto | 122:f9eeca106725 | 281 | #define LL_I2C_MODE_RELOAD I2C_CR2_RELOAD /*!< Enable I2C Reload mode. */ |
Kojto | 122:f9eeca106725 | 282 | #define LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND /*!< Enable I2C Automatic end mode with no HW PEC comparison. */ |
Kojto | 122:f9eeca106725 | 283 | #define LL_I2C_MODE_SOFTEND ((uint32_t)0x00000000U) /*!< Enable I2C Software end mode with no HW PEC comparison. */ |
Kojto | 122:f9eeca106725 | 284 | #define LL_I2C_MODE_SMBUS_RELOAD LL_I2C_MODE_RELOAD /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */ |
Kojto | 122:f9eeca106725 | 285 | #define LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC LL_I2C_MODE_AUTOEND /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */ |
Kojto | 122:f9eeca106725 | 286 | #define LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC LL_I2C_MODE_SOFTEND /*!< Enable SMBUS Software end mode with HW PEC comparison. */ |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 289 | /** |
Kojto | 122:f9eeca106725 | 290 | * @} |
Kojto | 122:f9eeca106725 | 291 | */ |
Kojto | 122:f9eeca106725 | 292 | |
Kojto | 122:f9eeca106725 | 293 | /** @defgroup I2C_LL_EC_GENERATE Start And Stop Generation |
Kojto | 122:f9eeca106725 | 294 | * @{ |
Kojto | 122:f9eeca106725 | 295 | */ |
Kojto | 122:f9eeca106725 | 296 | #define LL_I2C_GENERATE_NOSTARTSTOP ((uint32_t)0x00000000U) /*!< Don't Generate Stop and Start condition. */ |
Kojto | 122:f9eeca106725 | 297 | #define LL_I2C_GENERATE_STOP I2C_CR2_STOP /*!< Generate Stop condition (Size should be set to 0). */ |
Kojto | 122:f9eeca106725 | 298 | #define LL_I2C_GENERATE_START_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) /*!< Generate Start for read request. */ |
Kojto | 122:f9eeca106725 | 299 | #define LL_I2C_GENERATE_START_WRITE I2C_CR2_START /*!< Generate Start for write request. */ |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 301 | #define LL_I2C_GENERATE_RESTART_7BIT_WRITE I2C_CR2_START /*!< Generate Restart for write request, slave 7Bit address. */ |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 303 | #define LL_I2C_GENERATE_RESTART_10BIT_WRITE I2C_CR2_START /*!< Generate Restart for write request, slave 10Bit address.*/ |
Kojto | 122:f9eeca106725 | 304 | /** |
Kojto | 122:f9eeca106725 | 305 | * @} |
Kojto | 122:f9eeca106725 | 306 | */ |
Kojto | 122:f9eeca106725 | 307 | |
Kojto | 122:f9eeca106725 | 308 | /** @defgroup I2C_LL_EC_DIRECTION Read Write Direction |
Kojto | 122:f9eeca106725 | 309 | * @{ |
Kojto | 122:f9eeca106725 | 310 | */ |
Kojto | 122:f9eeca106725 | 311 | #define LL_I2C_DIRECTION_WRITE ((uint32_t)0x00000000U) /*!< Write transfer request by master, slave enters receiver mode. */ |
Kojto | 122:f9eeca106725 | 312 | #define LL_I2C_DIRECTION_READ I2C_ISR_DIR /*!< Read transfer request by master, slave enters transmitter mode.*/ |
Kojto | 122:f9eeca106725 | 313 | /** |
Kojto | 122:f9eeca106725 | 314 | * @} |
Kojto | 122:f9eeca106725 | 315 | */ |
Kojto | 122:f9eeca106725 | 316 | |
Kojto | 122:f9eeca106725 | 317 | /** @defgroup I2C_LL_EC_DMA_REG_DATA DMA Register Data |
Kojto | 122:f9eeca106725 | 318 | * @{ |
Kojto | 122:f9eeca106725 | 319 | */ |
Kojto | 122:f9eeca106725 | 320 | #define LL_I2C_DMA_REG_DATA_TRANSMIT ((uint32_t)0x00000000U) /*!< Get address of data register used for transmission */ |
Kojto | 122:f9eeca106725 | 321 | #define LL_I2C_DMA_REG_DATA_RECEIVE ((uint32_t)0x00000001U) /*!< Get address of data register used for reception */ |
Kojto | 122:f9eeca106725 | 322 | /** |
Kojto | 122:f9eeca106725 | 323 | * @} |
Kojto | 122:f9eeca106725 | 324 | */ |
Kojto | 122:f9eeca106725 | 325 | |
Kojto | 122:f9eeca106725 | 326 | /** @defgroup I2C_LL_EC_SMBUS_TIMEOUTA_MODE SMBus TimeoutA Mode SCL SDA Timeout |
Kojto | 122:f9eeca106725 | 327 | * @{ |
Kojto | 122:f9eeca106725 | 328 | */ |
Kojto | 122:f9eeca106725 | 329 | #define LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW ((uint32_t) 0x00000000U) /*!< TimeoutA is used to detect SCL low level timeout. */ |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 331 | /** |
Kojto | 122:f9eeca106725 | 332 | * @} |
Kojto | 122:f9eeca106725 | 333 | */ |
Kojto | 122:f9eeca106725 | 334 | |
Kojto | 122:f9eeca106725 | 335 | /** @defgroup I2C_LL_EC_SMBUS_TIMEOUT_SELECTION SMBus Timeout Selection |
Kojto | 122:f9eeca106725 | 336 | * @{ |
Kojto | 122:f9eeca106725 | 337 | */ |
Kojto | 122:f9eeca106725 | 338 | #define LL_I2C_SMBUS_TIMEOUTA I2C_TIMEOUTR_TIMOUTEN /*!< TimeoutA enable bit */ |
Kojto | 122:f9eeca106725 | 339 | #define LL_I2C_SMBUS_TIMEOUTB I2C_TIMEOUTR_TEXTEN /*!< TimeoutB (extended clock) enable bit */ |
Kojto | 122:f9eeca106725 | 340 | #define LL_I2C_SMBUS_ALL_TIMEOUT (uint32_t)(I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN) /*!< TimeoutA and TimeoutB (extended clock) enable bits */ |
Kojto | 122:f9eeca106725 | 341 | /** |
Kojto | 122:f9eeca106725 | 342 | * @} |
Kojto | 122:f9eeca106725 | 343 | */ |
Kojto | 122:f9eeca106725 | 344 | |
Kojto | 122:f9eeca106725 | 345 | /** |
Kojto | 122:f9eeca106725 | 346 | * @} |
Kojto | 122:f9eeca106725 | 347 | */ |
Kojto | 122:f9eeca106725 | 348 | |
Kojto | 122:f9eeca106725 | 349 | /* Exported macro ------------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 350 | /** @defgroup I2C_LL_Exported_Macros I2C Exported Macros |
Kojto | 122:f9eeca106725 | 351 | * @{ |
Kojto | 122:f9eeca106725 | 352 | */ |
Kojto | 122:f9eeca106725 | 353 | |
Kojto | 122:f9eeca106725 | 354 | /** @defgroup I2C_LL_EM_WRITE_READ Common Write and read registers Macros |
Kojto | 122:f9eeca106725 | 355 | * @{ |
Kojto | 122:f9eeca106725 | 356 | */ |
Kojto | 122:f9eeca106725 | 357 | |
Kojto | 122:f9eeca106725 | 358 | /** |
Kojto | 122:f9eeca106725 | 359 | * @brief Write a value in I2C register |
Kojto | 122:f9eeca106725 | 360 | * @param __INSTANCE__ I2C Instance |
Kojto | 122:f9eeca106725 | 361 | * @param __REG__ Register to be written |
Kojto | 122:f9eeca106725 | 362 | * @param __VALUE__ Value to be written in the register |
Kojto | 122:f9eeca106725 | 363 | * @retval None |
Kojto | 122:f9eeca106725 | 364 | */ |
Kojto | 122:f9eeca106725 | 365 | #define LL_I2C_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
Kojto | 122:f9eeca106725 | 366 | |
Kojto | 122:f9eeca106725 | 367 | /** |
Kojto | 122:f9eeca106725 | 368 | * @brief Read a value in I2C register |
Kojto | 122:f9eeca106725 | 369 | * @param __INSTANCE__ I2C Instance |
Kojto | 122:f9eeca106725 | 370 | * @param __REG__ Register to be read |
Kojto | 122:f9eeca106725 | 371 | * @retval Register value |
Kojto | 122:f9eeca106725 | 372 | */ |
Kojto | 122:f9eeca106725 | 373 | #define LL_I2C_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
Kojto | 122:f9eeca106725 | 374 | /** |
Kojto | 122:f9eeca106725 | 375 | * @} |
Kojto | 122:f9eeca106725 | 376 | */ |
Kojto | 122:f9eeca106725 | 377 | |
Kojto | 122:f9eeca106725 | 378 | /** @defgroup I2C_LL_EM_CONVERT_TIMINGS Convert SDA SCL timings |
Kojto | 122:f9eeca106725 | 379 | * @{ |
Kojto | 122:f9eeca106725 | 380 | */ |
Kojto | 122:f9eeca106725 | 381 | /** |
Kojto | 122:f9eeca106725 | 382 | * @brief Configure the SDA setup, hold time and the SCL high, low period. |
Kojto | 122:f9eeca106725 | 383 | * @param __PRESCALER__ This parameter must be a value between 0 and 0xF. |
Kojto | 122:f9eeca106725 | 384 | * @param __DATA_SETUP_TIME__ This parameter must be a value between 0 and 0xF. (tscldel = (SCLDEL+1)xtpresc) |
Kojto | 122:f9eeca106725 | 385 | * @param __DATA_HOLD_TIME__ This parameter must be a value between 0 and 0xF. (tsdadel = SDADELxtpresc) |
Kojto | 122:f9eeca106725 | 386 | * @param __CLOCK_HIGH_PERIOD__ This parameter must be a value between 0 and 0xFF. (tsclh = (SCLH+1)xtpresc) |
Kojto | 122:f9eeca106725 | 387 | * @param __CLOCK_LOW_PERIOD__ This parameter must be a value between 0 and 0xFF. (tscll = (SCLL+1)xtpresc) |
Kojto | 122:f9eeca106725 | 388 | * @retval Value between 0 and 0xFFFFFFFF |
Kojto | 122:f9eeca106725 | 389 | */ |
Kojto | 122:f9eeca106725 | 390 | #define __LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __DATA_SETUP_TIME__, __DATA_HOLD_TIME__, __CLOCK_HIGH_PERIOD__, __CLOCK_LOW_PERIOD__) \ |
Kojto | 122:f9eeca106725 | 391 | ((((uint32_t)(__PRESCALER__) << I2C_POSITION_TIMINGR_PRESC) & I2C_TIMINGR_PRESC) | \ |
Kojto | 122:f9eeca106725 | 392 | (((uint32_t)(__DATA_SETUP_TIME__) << I2C_POSITION_TIMINGR_SCLDEL) & I2C_TIMINGR_SCLDEL) | \ |
Kojto | 122:f9eeca106725 | 393 | (((uint32_t)(__DATA_HOLD_TIME__) << I2C_POSITION_TIMINGR_SDADEL) & I2C_TIMINGR_SDADEL) | \ |
Kojto | 122:f9eeca106725 | 394 | (((uint32_t)(__CLOCK_HIGH_PERIOD__) << I2C_POSITION_TIMINGR_SCLH) & I2C_TIMINGR_SCLH) | \ |
Kojto | 122:f9eeca106725 | 395 | (((uint32_t)(__CLOCK_LOW_PERIOD__) << I2C_POSITION_TIMINGR_SCLL) & I2C_TIMINGR_SCLL)) |
Kojto | 122:f9eeca106725 | 396 | /** |
Kojto | 122:f9eeca106725 | 397 | * @} |
Kojto | 122:f9eeca106725 | 398 | */ |
Kojto | 122:f9eeca106725 | 399 | |
Kojto | 122:f9eeca106725 | 400 | /** |
Kojto | 122:f9eeca106725 | 401 | * @} |
Kojto | 122:f9eeca106725 | 402 | */ |
Kojto | 122:f9eeca106725 | 403 | |
Kojto | 122:f9eeca106725 | 404 | /* Exported functions --------------------------------------------------------*/ |
Kojto | 122:f9eeca106725 | 405 | /** @defgroup I2C_LL_Exported_Functions I2C Exported Functions |
Kojto | 122:f9eeca106725 | 406 | * @{ |
Kojto | 122:f9eeca106725 | 407 | */ |
Kojto | 122:f9eeca106725 | 408 | |
Kojto | 122:f9eeca106725 | 409 | /** @defgroup I2C_LL_EF_Configuration Configuration |
Kojto | 122:f9eeca106725 | 410 | * @{ |
Kojto | 122:f9eeca106725 | 411 | */ |
Kojto | 122:f9eeca106725 | 412 | |
Kojto | 122:f9eeca106725 | 413 | /** |
Kojto | 122:f9eeca106725 | 414 | * @brief Enable I2C peripheral (PE = 1). |
Kojto | 122:f9eeca106725 | 415 | * @rmtoll CR1 PE LL_I2C_Enable |
Kojto | 122:f9eeca106725 | 416 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 417 | * @retval None |
Kojto | 122:f9eeca106725 | 418 | */ |
Kojto | 122:f9eeca106725 | 419 | __STATIC_INLINE void LL_I2C_Enable(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 420 | { |
Kojto | 122:f9eeca106725 | 421 | SET_BIT(I2Cx->CR1, I2C_CR1_PE); |
Kojto | 122:f9eeca106725 | 422 | } |
Kojto | 122:f9eeca106725 | 423 | |
Kojto | 122:f9eeca106725 | 424 | /** |
Kojto | 122:f9eeca106725 | 425 | * @brief Disable I2C peripheral (PE = 0). |
Kojto | 122:f9eeca106725 | 426 | * @note When PE = 0, the I2C SCL and SDA lines are released. |
Kojto | 122:f9eeca106725 | 427 | * Internal state machines and status bits are put back to their reset value. |
Kojto | 122:f9eeca106725 | 428 | * When cleared, PE must be kept low for at least 3 APB clock cycles. |
Kojto | 122:f9eeca106725 | 429 | * @rmtoll CR1 PE LL_I2C_Disable |
Kojto | 122:f9eeca106725 | 430 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 431 | * @retval None |
Kojto | 122:f9eeca106725 | 432 | */ |
Kojto | 122:f9eeca106725 | 433 | __STATIC_INLINE void LL_I2C_Disable(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 434 | { |
Kojto | 122:f9eeca106725 | 435 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_PE); |
Kojto | 122:f9eeca106725 | 436 | } |
Kojto | 122:f9eeca106725 | 437 | |
Kojto | 122:f9eeca106725 | 438 | /** |
Kojto | 122:f9eeca106725 | 439 | * @brief Check if the I2C peripheral is enabled or disabled. |
Kojto | 122:f9eeca106725 | 440 | * @rmtoll CR1 PE LL_I2C_IsEnabled |
Kojto | 122:f9eeca106725 | 441 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 442 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 443 | */ |
Kojto | 122:f9eeca106725 | 444 | __STATIC_INLINE uint32_t LL_I2C_IsEnabled(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 445 | { |
Kojto | 122:f9eeca106725 | 446 | return (READ_BIT(I2Cx->CR1, I2C_CR1_PE) == (I2C_CR1_PE)); |
Kojto | 122:f9eeca106725 | 447 | } |
Kojto | 122:f9eeca106725 | 448 | |
Kojto | 122:f9eeca106725 | 449 | /** |
Kojto | 122:f9eeca106725 | 450 | * @brief Configure Noise Filters (Analog and Digital). |
Kojto | 122:f9eeca106725 | 451 | * @note If the analog filter is also enabled, the digital filter is added to analog filter. |
Kojto | 122:f9eeca106725 | 452 | * The filters can only be programmed when the I2C is disabled (PE = 0). |
Kojto | 122:f9eeca106725 | 453 | * @rmtoll CR1 ANFOFF LL_I2C_ConfigFilters\n |
Kojto | 122:f9eeca106725 | 454 | * CR1 DNF LL_I2C_ConfigFilters |
Kojto | 122:f9eeca106725 | 455 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 456 | * @param AnalogFilter This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 457 | * @arg @ref LL_I2C_ANALOGFILTER_ENABLE |
Kojto | 122:f9eeca106725 | 458 | * @arg @ref LL_I2C_ANALOGFILTER_DISABLE |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 460 | * This parameter is used to configure the digital noise filter on SDA and SCL input. |
Kojto | 122:f9eeca106725 | 461 | * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk. |
Kojto | 122:f9eeca106725 | 462 | * @retval None |
Kojto | 122:f9eeca106725 | 463 | */ |
Kojto | 122:f9eeca106725 | 464 | __STATIC_INLINE void LL_I2C_ConfigFilters(I2C_TypeDef *I2Cx, uint32_t AnalogFilter, uint32_t DigitalFilter) |
Kojto | 122:f9eeca106725 | 465 | { |
Kojto | 122:f9eeca106725 | 466 | MODIFY_REG(I2Cx->CR1, I2C_CR1_ANFOFF | I2C_CR1_DNF, AnalogFilter | (DigitalFilter << I2C_POSITION_CR1_DNF)); |
Kojto | 122:f9eeca106725 | 467 | } |
Kojto | 122:f9eeca106725 | 468 | |
Kojto | 122:f9eeca106725 | 469 | /** |
Kojto | 122:f9eeca106725 | 470 | * @brief Configure Digital Noise Filter. |
Kojto | 122:f9eeca106725 | 471 | * @note If the analog filter is also enabled, the digital filter is added to analog filter. |
Kojto | 122:f9eeca106725 | 472 | * This filter can only be programmed when the I2C is disabled (PE = 0). |
Kojto | 122:f9eeca106725 | 473 | * @rmtoll CR1 DNF LL_I2C_SetDigitalFilter |
Kojto | 122:f9eeca106725 | 474 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 476 | * This parameter is used to configure the digital noise filter on SDA and SCL input. |
Kojto | 122:f9eeca106725 | 477 | * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk. |
Kojto | 122:f9eeca106725 | 478 | * @retval None |
Kojto | 122:f9eeca106725 | 479 | */ |
Kojto | 122:f9eeca106725 | 480 | __STATIC_INLINE void LL_I2C_SetDigitalFilter(I2C_TypeDef *I2Cx, uint32_t DigitalFilter) |
Kojto | 122:f9eeca106725 | 481 | { |
Kojto | 122:f9eeca106725 | 482 | MODIFY_REG(I2Cx->CR1, I2C_CR1_DNF, DigitalFilter << I2C_POSITION_CR1_DNF); |
Kojto | 122:f9eeca106725 | 483 | } |
Kojto | 122:f9eeca106725 | 484 | |
Kojto | 122:f9eeca106725 | 485 | /** |
Kojto | 122:f9eeca106725 | 486 | * @brief Get the current Digital Noise Filter configuration. |
Kojto | 122:f9eeca106725 | 487 | * @rmtoll CR1 DNF LL_I2C_GetDigitalFilter |
Kojto | 122:f9eeca106725 | 488 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 489 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
Kojto | 122:f9eeca106725 | 490 | */ |
Kojto | 122:f9eeca106725 | 491 | __STATIC_INLINE uint32_t LL_I2C_GetDigitalFilter(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 492 | { |
Kojto | 122:f9eeca106725 | 493 | return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_DNF) >> I2C_POSITION_CR1_DNF); |
Kojto | 122:f9eeca106725 | 494 | } |
Kojto | 122:f9eeca106725 | 495 | |
Kojto | 122:f9eeca106725 | 496 | /** |
Kojto | 122:f9eeca106725 | 497 | * @brief Enable Analog Noise Filter. |
Kojto | 122:f9eeca106725 | 498 | * @note This filter can only be programmed when the I2C is disabled (PE = 0). |
Kojto | 122:f9eeca106725 | 499 | * @rmtoll CR1 ANFOFF LL_I2C_EnableAnalogFilter |
Kojto | 122:f9eeca106725 | 500 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 501 | * @retval None |
Kojto | 122:f9eeca106725 | 502 | */ |
Kojto | 122:f9eeca106725 | 503 | __STATIC_INLINE void LL_I2C_EnableAnalogFilter(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 504 | { |
Kojto | 122:f9eeca106725 | 505 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ANFOFF); |
Kojto | 122:f9eeca106725 | 506 | } |
Kojto | 122:f9eeca106725 | 507 | |
Kojto | 122:f9eeca106725 | 508 | /** |
Kojto | 122:f9eeca106725 | 509 | * @brief Disable Analog Noise Filter. |
Kojto | 122:f9eeca106725 | 510 | * @note This filter can only be programmed when the I2C is disabled (PE = 0). |
Kojto | 122:f9eeca106725 | 511 | * @rmtoll CR1 ANFOFF LL_I2C_DisableAnalogFilter |
Kojto | 122:f9eeca106725 | 512 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 513 | * @retval None |
Kojto | 122:f9eeca106725 | 514 | */ |
Kojto | 122:f9eeca106725 | 515 | __STATIC_INLINE void LL_I2C_DisableAnalogFilter(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 516 | { |
Kojto | 122:f9eeca106725 | 517 | SET_BIT(I2Cx->CR1, I2C_CR1_ANFOFF); |
Kojto | 122:f9eeca106725 | 518 | } |
Kojto | 122:f9eeca106725 | 519 | |
Kojto | 122:f9eeca106725 | 520 | /** |
Kojto | 122:f9eeca106725 | 521 | * @brief Check if Analog Noise Filter is enabled or disabled. |
Kojto | 122:f9eeca106725 | 522 | * @rmtoll CR1 ANFOFF LL_I2C_IsEnabledAnalogFilter |
Kojto | 122:f9eeca106725 | 523 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 524 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 525 | */ |
Kojto | 122:f9eeca106725 | 526 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledAnalogFilter(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 527 | { |
Kojto | 122:f9eeca106725 | 528 | return (READ_BIT(I2Cx->CR1, I2C_CR1_ANFOFF) != (I2C_CR1_ANFOFF)); |
Kojto | 122:f9eeca106725 | 529 | } |
Kojto | 122:f9eeca106725 | 530 | |
Kojto | 122:f9eeca106725 | 531 | /** |
Kojto | 122:f9eeca106725 | 532 | * @brief Enable DMA transmission requests. |
Kojto | 122:f9eeca106725 | 533 | * @rmtoll CR1 TXDMAEN LL_I2C_EnableDMAReq_TX |
Kojto | 122:f9eeca106725 | 534 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 535 | * @retval None |
Kojto | 122:f9eeca106725 | 536 | */ |
Kojto | 122:f9eeca106725 | 537 | __STATIC_INLINE void LL_I2C_EnableDMAReq_TX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 538 | { |
Kojto | 122:f9eeca106725 | 539 | SET_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN); |
Kojto | 122:f9eeca106725 | 540 | } |
Kojto | 122:f9eeca106725 | 541 | |
Kojto | 122:f9eeca106725 | 542 | /** |
Kojto | 122:f9eeca106725 | 543 | * @brief Disable DMA transmission requests. |
Kojto | 122:f9eeca106725 | 544 | * @rmtoll CR1 TXDMAEN LL_I2C_DisableDMAReq_TX |
Kojto | 122:f9eeca106725 | 545 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 546 | * @retval None |
Kojto | 122:f9eeca106725 | 547 | */ |
Kojto | 122:f9eeca106725 | 548 | __STATIC_INLINE void LL_I2C_DisableDMAReq_TX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 549 | { |
Kojto | 122:f9eeca106725 | 550 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN); |
Kojto | 122:f9eeca106725 | 551 | } |
Kojto | 122:f9eeca106725 | 552 | |
Kojto | 122:f9eeca106725 | 553 | /** |
Kojto | 122:f9eeca106725 | 554 | * @brief Check if DMA transmission requests are enabled or disabled. |
Kojto | 122:f9eeca106725 | 555 | * @rmtoll CR1 TXDMAEN LL_I2C_IsEnabledDMAReq_TX |
Kojto | 122:f9eeca106725 | 556 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 557 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 558 | */ |
Kojto | 122:f9eeca106725 | 559 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_TX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 560 | { |
Kojto | 122:f9eeca106725 | 561 | return (READ_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN) == (I2C_CR1_TXDMAEN)); |
Kojto | 122:f9eeca106725 | 562 | } |
Kojto | 122:f9eeca106725 | 563 | |
Kojto | 122:f9eeca106725 | 564 | /** |
Kojto | 122:f9eeca106725 | 565 | * @brief Enable DMA reception requests. |
Kojto | 122:f9eeca106725 | 566 | * @rmtoll CR1 RXDMAEN LL_I2C_EnableDMAReq_RX |
Kojto | 122:f9eeca106725 | 567 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 568 | * @retval None |
Kojto | 122:f9eeca106725 | 569 | */ |
Kojto | 122:f9eeca106725 | 570 | __STATIC_INLINE void LL_I2C_EnableDMAReq_RX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 571 | { |
Kojto | 122:f9eeca106725 | 572 | SET_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN); |
Kojto | 122:f9eeca106725 | 573 | } |
Kojto | 122:f9eeca106725 | 574 | |
Kojto | 122:f9eeca106725 | 575 | /** |
Kojto | 122:f9eeca106725 | 576 | * @brief Disable DMA reception requests. |
Kojto | 122:f9eeca106725 | 577 | * @rmtoll CR1 RXDMAEN LL_I2C_DisableDMAReq_RX |
Kojto | 122:f9eeca106725 | 578 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 579 | * @retval None |
Kojto | 122:f9eeca106725 | 580 | */ |
Kojto | 122:f9eeca106725 | 581 | __STATIC_INLINE void LL_I2C_DisableDMAReq_RX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 582 | { |
Kojto | 122:f9eeca106725 | 583 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN); |
Kojto | 122:f9eeca106725 | 584 | } |
Kojto | 122:f9eeca106725 | 585 | |
Kojto | 122:f9eeca106725 | 586 | /** |
Kojto | 122:f9eeca106725 | 587 | * @brief Check if DMA reception requests are enabled or disabled. |
Kojto | 122:f9eeca106725 | 588 | * @rmtoll CR1 RXDMAEN LL_I2C_IsEnabledDMAReq_RX |
Kojto | 122:f9eeca106725 | 589 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 590 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 591 | */ |
Kojto | 122:f9eeca106725 | 592 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 593 | { |
Kojto | 122:f9eeca106725 | 594 | return (READ_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN) == (I2C_CR1_RXDMAEN)); |
Kojto | 122:f9eeca106725 | 595 | } |
Kojto | 122:f9eeca106725 | 596 | |
Kojto | 122:f9eeca106725 | 597 | /** |
Kojto | 122:f9eeca106725 | 598 | * @brief Get the data register address used for DMA transfer |
Kojto | 122:f9eeca106725 | 599 | * @rmtoll TXDR TXDATA LL_I2C_DMA_GetRegAddr\n |
Kojto | 122:f9eeca106725 | 600 | * RXDR RXDATA LL_I2C_DMA_GetRegAddr |
Kojto | 122:f9eeca106725 | 601 | * @param I2Cx I2C Instance |
Kojto | 122:f9eeca106725 | 602 | * @param Direction This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 603 | * @arg @ref LL_I2C_DMA_REG_DATA_TRANSMIT |
Kojto | 122:f9eeca106725 | 604 | * @arg @ref LL_I2C_DMA_REG_DATA_RECEIVE |
Kojto | 122:f9eeca106725 | 605 | * @retval Address of data register |
Kojto | 122:f9eeca106725 | 606 | */ |
Kojto | 122:f9eeca106725 | 607 | __STATIC_INLINE uint32_t LL_I2C_DMA_GetRegAddr(I2C_TypeDef *I2Cx, uint32_t Direction) |
Kojto | 122:f9eeca106725 | 608 | { |
Kojto | 122:f9eeca106725 | 609 | register uint32_t data_reg_addr = 0U; |
Kojto | 122:f9eeca106725 | 610 | |
Kojto | 122:f9eeca106725 | 611 | if (Direction == LL_I2C_DMA_REG_DATA_TRANSMIT) |
Kojto | 122:f9eeca106725 | 612 | { |
Kojto | 122:f9eeca106725 | 613 | /* return address of TXDR register */ |
Kojto | 122:f9eeca106725 | 614 | data_reg_addr = (uint32_t) & (I2Cx->TXDR); |
Kojto | 122:f9eeca106725 | 615 | } |
Kojto | 122:f9eeca106725 | 616 | else |
Kojto | 122:f9eeca106725 | 617 | { |
Kojto | 122:f9eeca106725 | 618 | /* return address of RXDR register */ |
Kojto | 122:f9eeca106725 | 619 | data_reg_addr = (uint32_t) & (I2Cx->RXDR); |
Kojto | 122:f9eeca106725 | 620 | } |
Kojto | 122:f9eeca106725 | 621 | |
Kojto | 122:f9eeca106725 | 622 | return data_reg_addr; |
Kojto | 122:f9eeca106725 | 623 | } |
Kojto | 122:f9eeca106725 | 624 | |
Kojto | 122:f9eeca106725 | 625 | /** |
Kojto | 122:f9eeca106725 | 626 | * @brief Enable Clock stretching. |
Kojto | 122:f9eeca106725 | 627 | * @note This bit can only be programmed when the I2C is disabled (PE = 0). |
Kojto | 122:f9eeca106725 | 628 | * @rmtoll CR1 NOSTRETCH LL_I2C_EnableClockStretching |
Kojto | 122:f9eeca106725 | 629 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 630 | * @retval None |
Kojto | 122:f9eeca106725 | 631 | */ |
Kojto | 122:f9eeca106725 | 632 | __STATIC_INLINE void LL_I2C_EnableClockStretching(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 633 | { |
Kojto | 122:f9eeca106725 | 634 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH); |
Kojto | 122:f9eeca106725 | 635 | } |
Kojto | 122:f9eeca106725 | 636 | |
Kojto | 122:f9eeca106725 | 637 | /** |
Kojto | 122:f9eeca106725 | 638 | * @brief Disable Clock stretching. |
Kojto | 122:f9eeca106725 | 639 | * @note This bit can only be programmed when the I2C is disabled (PE = 0). |
Kojto | 122:f9eeca106725 | 640 | * @rmtoll CR1 NOSTRETCH LL_I2C_DisableClockStretching |
Kojto | 122:f9eeca106725 | 641 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 642 | * @retval None |
Kojto | 122:f9eeca106725 | 643 | */ |
Kojto | 122:f9eeca106725 | 644 | __STATIC_INLINE void LL_I2C_DisableClockStretching(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 645 | { |
Kojto | 122:f9eeca106725 | 646 | SET_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH); |
Kojto | 122:f9eeca106725 | 647 | } |
Kojto | 122:f9eeca106725 | 648 | |
Kojto | 122:f9eeca106725 | 649 | /** |
Kojto | 122:f9eeca106725 | 650 | * @brief Check if Clock stretching is enabled or disabled. |
Kojto | 122:f9eeca106725 | 651 | * @rmtoll CR1 NOSTRETCH LL_I2C_IsEnabledClockStretching |
Kojto | 122:f9eeca106725 | 652 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 653 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 654 | */ |
Kojto | 122:f9eeca106725 | 655 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledClockStretching(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 656 | { |
Kojto | 122:f9eeca106725 | 657 | return (READ_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH) != (I2C_CR1_NOSTRETCH)); |
Kojto | 122:f9eeca106725 | 658 | } |
Kojto | 122:f9eeca106725 | 659 | |
Kojto | 122:f9eeca106725 | 660 | /** |
Kojto | 122:f9eeca106725 | 661 | * @brief Enable hardware byte control in slave mode. |
Kojto | 122:f9eeca106725 | 662 | * @rmtoll CR1 SBC LL_I2C_EnableSlaveByteControl |
Kojto | 122:f9eeca106725 | 663 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 664 | * @retval None |
Kojto | 122:f9eeca106725 | 665 | */ |
Kojto | 122:f9eeca106725 | 666 | __STATIC_INLINE void LL_I2C_EnableSlaveByteControl(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 667 | { |
Kojto | 122:f9eeca106725 | 668 | SET_BIT(I2Cx->CR1, I2C_CR1_SBC); |
Kojto | 122:f9eeca106725 | 669 | } |
Kojto | 122:f9eeca106725 | 670 | |
Kojto | 122:f9eeca106725 | 671 | /** |
Kojto | 122:f9eeca106725 | 672 | * @brief Disable hardware byte control in slave mode. |
Kojto | 122:f9eeca106725 | 673 | * @rmtoll CR1 SBC LL_I2C_DisableSlaveByteControl |
Kojto | 122:f9eeca106725 | 674 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 675 | * @retval None |
Kojto | 122:f9eeca106725 | 676 | */ |
Kojto | 122:f9eeca106725 | 677 | __STATIC_INLINE void LL_I2C_DisableSlaveByteControl(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 678 | { |
Kojto | 122:f9eeca106725 | 679 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_SBC); |
Kojto | 122:f9eeca106725 | 680 | } |
Kojto | 122:f9eeca106725 | 681 | |
Kojto | 122:f9eeca106725 | 682 | /** |
Kojto | 122:f9eeca106725 | 683 | * @brief Check if hardware byte control in slave mode is enabled or disabled. |
Kojto | 122:f9eeca106725 | 684 | * @rmtoll CR1 SBC LL_I2C_IsEnabledSlaveByteControl |
Kojto | 122:f9eeca106725 | 685 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 686 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 687 | */ |
Kojto | 122:f9eeca106725 | 688 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSlaveByteControl(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 689 | { |
Kojto | 122:f9eeca106725 | 690 | return (READ_BIT(I2Cx->CR1, I2C_CR1_SBC) == (I2C_CR1_SBC)); |
Kojto | 122:f9eeca106725 | 691 | } |
Kojto | 122:f9eeca106725 | 692 | |
Kojto | 122:f9eeca106725 | 693 | /** |
Kojto | 122:f9eeca106725 | 694 | * @brief Enable Wakeup from STOP. |
Kojto | 122:f9eeca106725 | 695 | * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 696 | * WakeUpFromStop feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 697 | * @note This bit can only be programmed when Digital Filter is disabled. |
Kojto | 122:f9eeca106725 | 698 | * @rmtoll CR1 WUPEN LL_I2C_EnableWakeUpFromStop |
Kojto | 122:f9eeca106725 | 699 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 700 | * @retval None |
Kojto | 122:f9eeca106725 | 701 | */ |
Kojto | 122:f9eeca106725 | 702 | __STATIC_INLINE void LL_I2C_EnableWakeUpFromStop(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 703 | { |
Kojto | 122:f9eeca106725 | 704 | SET_BIT(I2Cx->CR1, I2C_CR1_WUPEN); |
Kojto | 122:f9eeca106725 | 705 | } |
Kojto | 122:f9eeca106725 | 706 | |
Kojto | 122:f9eeca106725 | 707 | /** |
Kojto | 122:f9eeca106725 | 708 | * @brief Disable Wakeup from STOP. |
Kojto | 122:f9eeca106725 | 709 | * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 710 | * WakeUpFromStop feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 711 | * @rmtoll CR1 WUPEN LL_I2C_DisableWakeUpFromStop |
Kojto | 122:f9eeca106725 | 712 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 713 | * @retval None |
Kojto | 122:f9eeca106725 | 714 | */ |
Kojto | 122:f9eeca106725 | 715 | __STATIC_INLINE void LL_I2C_DisableWakeUpFromStop(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 716 | { |
Kojto | 122:f9eeca106725 | 717 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_WUPEN); |
Kojto | 122:f9eeca106725 | 718 | } |
Kojto | 122:f9eeca106725 | 719 | |
Kojto | 122:f9eeca106725 | 720 | /** |
Kojto | 122:f9eeca106725 | 721 | * @brief Check if Wakeup from STOP is enabled or disabled. |
Kojto | 122:f9eeca106725 | 722 | * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 723 | * WakeUpFromStop feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 724 | * @rmtoll CR1 WUPEN LL_I2C_IsEnabledWakeUpFromStop |
Kojto | 122:f9eeca106725 | 725 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 726 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 727 | */ |
Kojto | 122:f9eeca106725 | 728 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledWakeUpFromStop(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 729 | { |
Kojto | 122:f9eeca106725 | 730 | return (READ_BIT(I2Cx->CR1, I2C_CR1_WUPEN) == (I2C_CR1_WUPEN)); |
Kojto | 122:f9eeca106725 | 731 | } |
Kojto | 122:f9eeca106725 | 732 | |
Kojto | 122:f9eeca106725 | 733 | /** |
Kojto | 122:f9eeca106725 | 734 | * @brief Enable General Call. |
Kojto | 122:f9eeca106725 | 735 | * @note When enabled the Address 0x00 is ACKed. |
Kojto | 122:f9eeca106725 | 736 | * @rmtoll CR1 GCEN LL_I2C_EnableGeneralCall |
Kojto | 122:f9eeca106725 | 737 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 738 | * @retval None |
Kojto | 122:f9eeca106725 | 739 | */ |
Kojto | 122:f9eeca106725 | 740 | __STATIC_INLINE void LL_I2C_EnableGeneralCall(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 741 | { |
Kojto | 122:f9eeca106725 | 742 | SET_BIT(I2Cx->CR1, I2C_CR1_GCEN); |
Kojto | 122:f9eeca106725 | 743 | } |
Kojto | 122:f9eeca106725 | 744 | |
Kojto | 122:f9eeca106725 | 745 | /** |
Kojto | 122:f9eeca106725 | 746 | * @brief Disable General Call. |
Kojto | 122:f9eeca106725 | 747 | * @note When disabled the Address 0x00 is NACKed. |
Kojto | 122:f9eeca106725 | 748 | * @rmtoll CR1 GCEN LL_I2C_DisableGeneralCall |
Kojto | 122:f9eeca106725 | 749 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 750 | * @retval None |
Kojto | 122:f9eeca106725 | 751 | */ |
Kojto | 122:f9eeca106725 | 752 | __STATIC_INLINE void LL_I2C_DisableGeneralCall(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 753 | { |
Kojto | 122:f9eeca106725 | 754 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_GCEN); |
Kojto | 122:f9eeca106725 | 755 | } |
Kojto | 122:f9eeca106725 | 756 | |
Kojto | 122:f9eeca106725 | 757 | /** |
Kojto | 122:f9eeca106725 | 758 | * @brief Check if General Call is enabled or disabled. |
Kojto | 122:f9eeca106725 | 759 | * @rmtoll CR1 GCEN LL_I2C_IsEnabledGeneralCall |
Kojto | 122:f9eeca106725 | 760 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 761 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 762 | */ |
Kojto | 122:f9eeca106725 | 763 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledGeneralCall(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 764 | { |
Kojto | 122:f9eeca106725 | 765 | return (READ_BIT(I2Cx->CR1, I2C_CR1_GCEN) == (I2C_CR1_GCEN)); |
Kojto | 122:f9eeca106725 | 766 | } |
Kojto | 122:f9eeca106725 | 767 | |
Kojto | 122:f9eeca106725 | 768 | /** |
Kojto | 122:f9eeca106725 | 769 | * @brief Configure the Master to operate in 7-bit or 10-bit addressing mode. |
Kojto | 122:f9eeca106725 | 770 | * @note Changing this bit is not allowed, when the START bit is set. |
Kojto | 122:f9eeca106725 | 771 | * @rmtoll CR2 ADD10 LL_I2C_SetMasterAddressingMode |
Kojto | 122:f9eeca106725 | 772 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 773 | * @param AddressingMode This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 774 | * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT |
Kojto | 122:f9eeca106725 | 775 | * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT |
Kojto | 122:f9eeca106725 | 776 | * @retval None |
Kojto | 122:f9eeca106725 | 777 | */ |
Kojto | 122:f9eeca106725 | 778 | __STATIC_INLINE void LL_I2C_SetMasterAddressingMode(I2C_TypeDef *I2Cx, uint32_t AddressingMode) |
Kojto | 122:f9eeca106725 | 779 | { |
Kojto | 122:f9eeca106725 | 780 | MODIFY_REG(I2Cx->CR2, I2C_CR2_ADD10, AddressingMode); |
Kojto | 122:f9eeca106725 | 781 | } |
Kojto | 122:f9eeca106725 | 782 | |
Kojto | 122:f9eeca106725 | 783 | /** |
Kojto | 122:f9eeca106725 | 784 | * @brief Get the Master addressing mode. |
Kojto | 122:f9eeca106725 | 785 | * @rmtoll CR2 ADD10 LL_I2C_GetMasterAddressingMode |
Kojto | 122:f9eeca106725 | 786 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 787 | * @retval Returned value can be one of the following values: |
Kojto | 122:f9eeca106725 | 788 | * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT |
Kojto | 122:f9eeca106725 | 789 | * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT |
Kojto | 122:f9eeca106725 | 790 | */ |
Kojto | 122:f9eeca106725 | 791 | __STATIC_INLINE uint32_t LL_I2C_GetMasterAddressingMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 792 | { |
Kojto | 122:f9eeca106725 | 793 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_ADD10)); |
Kojto | 122:f9eeca106725 | 794 | } |
Kojto | 122:f9eeca106725 | 795 | |
Kojto | 122:f9eeca106725 | 796 | /** |
Kojto | 122:f9eeca106725 | 797 | * @brief Set the Own Address1. |
Kojto | 122:f9eeca106725 | 798 | * @rmtoll OAR1 OA1 LL_I2C_SetOwnAddress1\n |
Kojto | 122:f9eeca106725 | 799 | * OAR1 OA1MODE LL_I2C_SetOwnAddress1 |
Kojto | 122:f9eeca106725 | 800 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 801 | * @param OwnAddress1 This parameter must be a value between 0 and 0x3FF. |
Kojto | 122:f9eeca106725 | 802 | * @param OwnAddrSize This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 803 | * @arg @ref LL_I2C_OWNADDRESS1_7BIT |
Kojto | 122:f9eeca106725 | 804 | * @arg @ref LL_I2C_OWNADDRESS1_10BIT |
Kojto | 122:f9eeca106725 | 805 | * @retval None |
Kojto | 122:f9eeca106725 | 806 | */ |
Kojto | 122:f9eeca106725 | 807 | __STATIC_INLINE void LL_I2C_SetOwnAddress1(I2C_TypeDef *I2Cx, uint32_t OwnAddress1, uint32_t OwnAddrSize) |
Kojto | 122:f9eeca106725 | 808 | { |
Kojto | 122:f9eeca106725 | 809 | MODIFY_REG(I2Cx->OAR1, I2C_OAR1_OA1 | I2C_OAR1_OA1MODE, OwnAddress1 | OwnAddrSize); |
Kojto | 122:f9eeca106725 | 810 | } |
Kojto | 122:f9eeca106725 | 811 | |
Kojto | 122:f9eeca106725 | 812 | /** |
Kojto | 122:f9eeca106725 | 813 | * @brief Enable acknowledge on Own Address1 match address. |
Kojto | 122:f9eeca106725 | 814 | * @rmtoll OAR1 OA1EN LL_I2C_EnableOwnAddress1 |
Kojto | 122:f9eeca106725 | 815 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 816 | * @retval None |
Kojto | 122:f9eeca106725 | 817 | */ |
Kojto | 122:f9eeca106725 | 818 | __STATIC_INLINE void LL_I2C_EnableOwnAddress1(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 819 | { |
Kojto | 122:f9eeca106725 | 820 | SET_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN); |
Kojto | 122:f9eeca106725 | 821 | } |
Kojto | 122:f9eeca106725 | 822 | |
Kojto | 122:f9eeca106725 | 823 | /** |
Kojto | 122:f9eeca106725 | 824 | * @brief Disable acknowledge on Own Address1 match address. |
Kojto | 122:f9eeca106725 | 825 | * @rmtoll OAR1 OA1EN LL_I2C_DisableOwnAddress1 |
Kojto | 122:f9eeca106725 | 826 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 827 | * @retval None |
Kojto | 122:f9eeca106725 | 828 | */ |
Kojto | 122:f9eeca106725 | 829 | __STATIC_INLINE void LL_I2C_DisableOwnAddress1(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 830 | { |
Kojto | 122:f9eeca106725 | 831 | CLEAR_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN); |
Kojto | 122:f9eeca106725 | 832 | } |
Kojto | 122:f9eeca106725 | 833 | |
Kojto | 122:f9eeca106725 | 834 | /** |
Kojto | 122:f9eeca106725 | 835 | * @brief Check if Own Address1 acknowledge is enabled or disabled. |
Kojto | 122:f9eeca106725 | 836 | * @rmtoll OAR1 OA1EN LL_I2C_IsEnabledOwnAddress1 |
Kojto | 122:f9eeca106725 | 837 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 838 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 839 | */ |
Kojto | 122:f9eeca106725 | 840 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress1(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 841 | { |
Kojto | 122:f9eeca106725 | 842 | return (READ_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN) == (I2C_OAR1_OA1EN)); |
Kojto | 122:f9eeca106725 | 843 | } |
Kojto | 122:f9eeca106725 | 844 | |
Kojto | 122:f9eeca106725 | 845 | /** |
Kojto | 122:f9eeca106725 | 846 | * @brief Set the 7bits Own Address2. |
Kojto | 122:f9eeca106725 | 847 | * @note This action has no effect if own address2 is enabled. |
Kojto | 122:f9eeca106725 | 848 | * @rmtoll OAR2 OA2 LL_I2C_SetOwnAddress2\n |
Kojto | 122:f9eeca106725 | 849 | * OAR2 OA2MSK LL_I2C_SetOwnAddress2 |
Kojto | 122:f9eeca106725 | 850 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 851 | * @param OwnAddress2 Value between 0 and 0x7F. |
Kojto | 122:f9eeca106725 | 852 | * @param OwnAddrMask This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 853 | * @arg @ref LL_I2C_OWNADDRESS2_NOMASK |
Kojto | 122:f9eeca106725 | 854 | * @arg @ref LL_I2C_OWNADDRESS2_MASK01 |
Kojto | 122:f9eeca106725 | 855 | * @arg @ref LL_I2C_OWNADDRESS2_MASK02 |
Kojto | 122:f9eeca106725 | 856 | * @arg @ref LL_I2C_OWNADDRESS2_MASK03 |
Kojto | 122:f9eeca106725 | 857 | * @arg @ref LL_I2C_OWNADDRESS2_MASK04 |
Kojto | 122:f9eeca106725 | 858 | * @arg @ref LL_I2C_OWNADDRESS2_MASK05 |
Kojto | 122:f9eeca106725 | 859 | * @arg @ref LL_I2C_OWNADDRESS2_MASK06 |
Kojto | 122:f9eeca106725 | 860 | * @arg @ref LL_I2C_OWNADDRESS2_MASK07 |
Kojto | 122:f9eeca106725 | 861 | * @retval None |
Kojto | 122:f9eeca106725 | 862 | */ |
Kojto | 122:f9eeca106725 | 863 | __STATIC_INLINE void LL_I2C_SetOwnAddress2(I2C_TypeDef *I2Cx, uint32_t OwnAddress2, uint32_t OwnAddrMask) |
Kojto | 122:f9eeca106725 | 864 | { |
Kojto | 122:f9eeca106725 | 865 | MODIFY_REG(I2Cx->OAR2, I2C_OAR2_OA2 | I2C_OAR2_OA2MSK, OwnAddress2 | OwnAddrMask); |
Kojto | 122:f9eeca106725 | 866 | } |
Kojto | 122:f9eeca106725 | 867 | |
Kojto | 122:f9eeca106725 | 868 | /** |
Kojto | 122:f9eeca106725 | 869 | * @brief Enable acknowledge on Own Address2 match address. |
Kojto | 122:f9eeca106725 | 870 | * @rmtoll OAR2 OA2EN LL_I2C_EnableOwnAddress2 |
Kojto | 122:f9eeca106725 | 871 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 872 | * @retval None |
Kojto | 122:f9eeca106725 | 873 | */ |
Kojto | 122:f9eeca106725 | 874 | __STATIC_INLINE void LL_I2C_EnableOwnAddress2(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 875 | { |
Kojto | 122:f9eeca106725 | 876 | SET_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN); |
Kojto | 122:f9eeca106725 | 877 | } |
Kojto | 122:f9eeca106725 | 878 | |
Kojto | 122:f9eeca106725 | 879 | /** |
Kojto | 122:f9eeca106725 | 880 | * @brief Disable acknowledge on Own Address2 match address. |
Kojto | 122:f9eeca106725 | 881 | * @rmtoll OAR2 OA2EN LL_I2C_DisableOwnAddress2 |
Kojto | 122:f9eeca106725 | 882 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 883 | * @retval None |
Kojto | 122:f9eeca106725 | 884 | */ |
Kojto | 122:f9eeca106725 | 885 | __STATIC_INLINE void LL_I2C_DisableOwnAddress2(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 886 | { |
Kojto | 122:f9eeca106725 | 887 | CLEAR_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN); |
Kojto | 122:f9eeca106725 | 888 | } |
Kojto | 122:f9eeca106725 | 889 | |
Kojto | 122:f9eeca106725 | 890 | /** |
Kojto | 122:f9eeca106725 | 891 | * @brief Check if Own Address1 acknowledge is enabled or disabled. |
Kojto | 122:f9eeca106725 | 892 | * @rmtoll OAR2 OA2EN LL_I2C_IsEnabledOwnAddress2 |
Kojto | 122:f9eeca106725 | 893 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 894 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 895 | */ |
Kojto | 122:f9eeca106725 | 896 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress2(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 897 | { |
Kojto | 122:f9eeca106725 | 898 | return (READ_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN) == (I2C_OAR2_OA2EN)); |
Kojto | 122:f9eeca106725 | 899 | } |
Kojto | 122:f9eeca106725 | 900 | |
Kojto | 122:f9eeca106725 | 901 | /** |
Kojto | 122:f9eeca106725 | 902 | * @brief Configure the SDA setup, hold time and the SCL high, low period. |
Kojto | 122:f9eeca106725 | 903 | * @note This bit can only be programmed when the I2C is disabled (PE = 0). |
Kojto | 122:f9eeca106725 | 904 | * @rmtoll TIMINGR TIMINGR LL_I2C_SetTiming |
Kojto | 122:f9eeca106725 | 905 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 906 | * @param Timing This parameter must be a value between 0 and 0xFFFFFFFF. |
Kojto | 122:f9eeca106725 | 907 | * @note This parameter is computed with the STM32CubeMX Tool. |
Kojto | 122:f9eeca106725 | 908 | * @retval None |
Kojto | 122:f9eeca106725 | 909 | */ |
Kojto | 122:f9eeca106725 | 910 | __STATIC_INLINE void LL_I2C_SetTiming(I2C_TypeDef *I2Cx, uint32_t Timing) |
Kojto | 122:f9eeca106725 | 911 | { |
Kojto | 122:f9eeca106725 | 912 | WRITE_REG(I2Cx->TIMINGR, Timing); |
Kojto | 122:f9eeca106725 | 913 | } |
Kojto | 122:f9eeca106725 | 914 | |
Kojto | 122:f9eeca106725 | 915 | /** |
Kojto | 122:f9eeca106725 | 916 | * @brief Get the Timing Prescaler setting. |
Kojto | 122:f9eeca106725 | 917 | * @rmtoll TIMINGR PRESC LL_I2C_GetTimingPrescaler |
Kojto | 122:f9eeca106725 | 918 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 919 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
Kojto | 122:f9eeca106725 | 920 | */ |
Kojto | 122:f9eeca106725 | 921 | __STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 922 | { |
Kojto | 122:f9eeca106725 | 923 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_PRESC) >> I2C_POSITION_TIMINGR_PRESC); |
Kojto | 122:f9eeca106725 | 924 | } |
Kojto | 122:f9eeca106725 | 925 | |
Kojto | 122:f9eeca106725 | 926 | /** |
Kojto | 122:f9eeca106725 | 927 | * @brief Get the SCL low period setting. |
Kojto | 122:f9eeca106725 | 928 | * @rmtoll TIMINGR SCLL LL_I2C_GetClockLowPeriod |
Kojto | 122:f9eeca106725 | 929 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 930 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
Kojto | 122:f9eeca106725 | 931 | */ |
Kojto | 122:f9eeca106725 | 932 | __STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 933 | { |
Kojto | 122:f9eeca106725 | 934 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLL) >> I2C_POSITION_TIMINGR_SCLL); |
Kojto | 122:f9eeca106725 | 935 | } |
Kojto | 122:f9eeca106725 | 936 | |
Kojto | 122:f9eeca106725 | 937 | /** |
Kojto | 122:f9eeca106725 | 938 | * @brief Get the SCL high period setting. |
Kojto | 122:f9eeca106725 | 939 | * @rmtoll TIMINGR SCLH LL_I2C_GetClockHighPeriod |
Kojto | 122:f9eeca106725 | 940 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 941 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
Kojto | 122:f9eeca106725 | 942 | */ |
Kojto | 122:f9eeca106725 | 943 | __STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 944 | { |
Kojto | 122:f9eeca106725 | 945 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLH) >> I2C_POSITION_TIMINGR_SCLH); |
Kojto | 122:f9eeca106725 | 946 | } |
Kojto | 122:f9eeca106725 | 947 | |
Kojto | 122:f9eeca106725 | 948 | /** |
Kojto | 122:f9eeca106725 | 949 | * @brief Get the SDA hold time. |
Kojto | 122:f9eeca106725 | 950 | * @rmtoll TIMINGR SDADEL LL_I2C_GetDataHoldTime |
Kojto | 122:f9eeca106725 | 951 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 952 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
Kojto | 122:f9eeca106725 | 953 | */ |
Kojto | 122:f9eeca106725 | 954 | __STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 955 | { |
Kojto | 122:f9eeca106725 | 956 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SDADEL) >> I2C_POSITION_TIMINGR_SDADEL); |
Kojto | 122:f9eeca106725 | 957 | } |
Kojto | 122:f9eeca106725 | 958 | |
Kojto | 122:f9eeca106725 | 959 | /** |
Kojto | 122:f9eeca106725 | 960 | * @brief Get the SDA setup time. |
Kojto | 122:f9eeca106725 | 961 | * @rmtoll TIMINGR SCLDEL LL_I2C_GetDataSetupTime |
Kojto | 122:f9eeca106725 | 962 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 963 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
Kojto | 122:f9eeca106725 | 964 | */ |
Kojto | 122:f9eeca106725 | 965 | __STATIC_INLINE uint32_t LL_I2C_GetDataSetupTime(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 966 | { |
Kojto | 122:f9eeca106725 | 967 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLDEL) >> I2C_POSITION_TIMINGR_SCLDEL); |
Kojto | 122:f9eeca106725 | 968 | } |
Kojto | 122:f9eeca106725 | 969 | |
Kojto | 122:f9eeca106725 | 970 | /** |
Kojto | 122:f9eeca106725 | 971 | * @brief Configure peripheral mode. |
Kojto | 122:f9eeca106725 | 972 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 973 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 974 | * @rmtoll CR1 SMBHEN LL_I2C_SetMode\n |
Kojto | 122:f9eeca106725 | 975 | * CR1 SMBDEN LL_I2C_SetMode |
Kojto | 122:f9eeca106725 | 976 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 977 | * @param PeripheralMode This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 978 | * @arg @ref LL_I2C_MODE_I2C |
Kojto | 122:f9eeca106725 | 979 | * @arg @ref LL_I2C_MODE_SMBUS_HOST |
Kojto | 122:f9eeca106725 | 980 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE |
Kojto | 122:f9eeca106725 | 981 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP |
Kojto | 122:f9eeca106725 | 982 | * @retval None |
Kojto | 122:f9eeca106725 | 983 | */ |
Kojto | 122:f9eeca106725 | 984 | __STATIC_INLINE void LL_I2C_SetMode(I2C_TypeDef *I2Cx, uint32_t PeripheralMode) |
Kojto | 122:f9eeca106725 | 985 | { |
Kojto | 122:f9eeca106725 | 986 | MODIFY_REG(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN, PeripheralMode); |
Kojto | 122:f9eeca106725 | 987 | } |
Kojto | 122:f9eeca106725 | 988 | |
Kojto | 122:f9eeca106725 | 989 | /** |
Kojto | 122:f9eeca106725 | 990 | * @brief Get peripheral mode. |
Kojto | 122:f9eeca106725 | 991 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 992 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 993 | * @rmtoll CR1 SMBHEN LL_I2C_GetMode\n |
Kojto | 122:f9eeca106725 | 994 | * CR1 SMBDEN LL_I2C_GetMode |
Kojto | 122:f9eeca106725 | 995 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 996 | * @retval Returned value can be one of the following values: |
Kojto | 122:f9eeca106725 | 997 | * @arg @ref LL_I2C_MODE_I2C |
Kojto | 122:f9eeca106725 | 998 | * @arg @ref LL_I2C_MODE_SMBUS_HOST |
Kojto | 122:f9eeca106725 | 999 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE |
Kojto | 122:f9eeca106725 | 1000 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP |
Kojto | 122:f9eeca106725 | 1001 | */ |
Kojto | 122:f9eeca106725 | 1002 | __STATIC_INLINE uint32_t LL_I2C_GetMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1003 | { |
Kojto | 122:f9eeca106725 | 1004 | return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN)); |
Kojto | 122:f9eeca106725 | 1005 | } |
Kojto | 122:f9eeca106725 | 1006 | |
Kojto | 122:f9eeca106725 | 1007 | /** |
Kojto | 122:f9eeca106725 | 1008 | * @brief Enable SMBus alert (Host or Device mode) |
Kojto | 122:f9eeca106725 | 1009 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1010 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1011 | * @note SMBus Device mode: |
Kojto | 122:f9eeca106725 | 1012 | * - SMBus Alert pin is drived low and |
Kojto | 122:f9eeca106725 | 1013 | * Alert Response Address Header acknowledge is enabled. |
Kojto | 122:f9eeca106725 | 1014 | * SMBus Host mode: |
Kojto | 122:f9eeca106725 | 1015 | * - SMBus Alert pin management is supported. |
Kojto | 122:f9eeca106725 | 1016 | * @rmtoll CR1 ALERTEN LL_I2C_EnableSMBusAlert |
Kojto | 122:f9eeca106725 | 1017 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1018 | * @retval None |
Kojto | 122:f9eeca106725 | 1019 | */ |
Kojto | 122:f9eeca106725 | 1020 | __STATIC_INLINE void LL_I2C_EnableSMBusAlert(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1021 | { |
Kojto | 122:f9eeca106725 | 1022 | SET_BIT(I2Cx->CR1, I2C_CR1_ALERTEN); |
Kojto | 122:f9eeca106725 | 1023 | } |
Kojto | 122:f9eeca106725 | 1024 | |
Kojto | 122:f9eeca106725 | 1025 | /** |
Kojto | 122:f9eeca106725 | 1026 | * @brief Disable SMBus alert (Host or Device mode) |
Kojto | 122:f9eeca106725 | 1027 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1028 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1029 | * @note SMBus Device mode: |
Kojto | 122:f9eeca106725 | 1030 | * - SMBus Alert pin is not drived (can be used as a standard GPIO) and |
Kojto | 122:f9eeca106725 | 1031 | * Alert Response Address Header acknowledge is disabled. |
Kojto | 122:f9eeca106725 | 1032 | * SMBus Host mode: |
Kojto | 122:f9eeca106725 | 1033 | * - SMBus Alert pin management is not supported. |
Kojto | 122:f9eeca106725 | 1034 | * @rmtoll CR1 ALERTEN LL_I2C_DisableSMBusAlert |
Kojto | 122:f9eeca106725 | 1035 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1036 | * @retval None |
Kojto | 122:f9eeca106725 | 1037 | */ |
Kojto | 122:f9eeca106725 | 1038 | __STATIC_INLINE void LL_I2C_DisableSMBusAlert(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1039 | { |
Kojto | 122:f9eeca106725 | 1040 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ALERTEN); |
Kojto | 122:f9eeca106725 | 1041 | } |
Kojto | 122:f9eeca106725 | 1042 | |
Kojto | 122:f9eeca106725 | 1043 | /** |
Kojto | 122:f9eeca106725 | 1044 | * @brief Check if SMBus alert (Host or Device mode) is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1045 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1046 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1047 | * @rmtoll CR1 ALERTEN LL_I2C_IsEnabledSMBusAlert |
Kojto | 122:f9eeca106725 | 1048 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1049 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1050 | */ |
Kojto | 122:f9eeca106725 | 1051 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusAlert(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1052 | { |
Kojto | 122:f9eeca106725 | 1053 | return (READ_BIT(I2Cx->CR1, I2C_CR1_ALERTEN) == (I2C_CR1_ALERTEN)); |
Kojto | 122:f9eeca106725 | 1054 | } |
Kojto | 122:f9eeca106725 | 1055 | |
Kojto | 122:f9eeca106725 | 1056 | /** |
Kojto | 122:f9eeca106725 | 1057 | * @brief Enable SMBus Packet Error Calculation (PEC). |
Kojto | 122:f9eeca106725 | 1058 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1059 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1060 | * @rmtoll CR1 PECEN LL_I2C_EnableSMBusPEC |
Kojto | 122:f9eeca106725 | 1061 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1062 | * @retval None |
Kojto | 122:f9eeca106725 | 1063 | */ |
Kojto | 122:f9eeca106725 | 1064 | __STATIC_INLINE void LL_I2C_EnableSMBusPEC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1065 | { |
Kojto | 122:f9eeca106725 | 1066 | SET_BIT(I2Cx->CR1, I2C_CR1_PECEN); |
Kojto | 122:f9eeca106725 | 1067 | } |
Kojto | 122:f9eeca106725 | 1068 | |
Kojto | 122:f9eeca106725 | 1069 | /** |
Kojto | 122:f9eeca106725 | 1070 | * @brief Disable SMBus Packet Error Calculation (PEC). |
Kojto | 122:f9eeca106725 | 1071 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1072 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1073 | * @rmtoll CR1 PECEN LL_I2C_DisableSMBusPEC |
Kojto | 122:f9eeca106725 | 1074 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1075 | * @retval None |
Kojto | 122:f9eeca106725 | 1076 | */ |
Kojto | 122:f9eeca106725 | 1077 | __STATIC_INLINE void LL_I2C_DisableSMBusPEC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1078 | { |
Kojto | 122:f9eeca106725 | 1079 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_PECEN); |
Kojto | 122:f9eeca106725 | 1080 | } |
Kojto | 122:f9eeca106725 | 1081 | |
Kojto | 122:f9eeca106725 | 1082 | /** |
Kojto | 122:f9eeca106725 | 1083 | * @brief Check if SMBus Packet Error Calculation (PEC) is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1084 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1085 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1086 | * @rmtoll CR1 PECEN LL_I2C_IsEnabledSMBusPEC |
Kojto | 122:f9eeca106725 | 1087 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1088 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1089 | */ |
Kojto | 122:f9eeca106725 | 1090 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPEC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1091 | { |
Kojto | 122:f9eeca106725 | 1092 | return (READ_BIT(I2Cx->CR1, I2C_CR1_PECEN) == (I2C_CR1_PECEN)); |
Kojto | 122:f9eeca106725 | 1093 | } |
Kojto | 122:f9eeca106725 | 1094 | |
Kojto | 122:f9eeca106725 | 1095 | /** |
Kojto | 122:f9eeca106725 | 1096 | * @brief Configure the SMBus Clock Timeout. |
Kojto | 122:f9eeca106725 | 1097 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1098 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1099 | * @note This configuration can only be programmed when associated Timeout is disabled (TimeoutA and/orTimeoutB). |
Kojto | 122:f9eeca106725 | 1100 | * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_ConfigSMBusTimeout\n |
Kojto | 122:f9eeca106725 | 1101 | * TIMEOUTR TIDLE LL_I2C_ConfigSMBusTimeout\n |
Kojto | 122:f9eeca106725 | 1102 | * TIMEOUTR TIMEOUTB LL_I2C_ConfigSMBusTimeout |
Kojto | 122:f9eeca106725 | 1103 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1104 | * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. |
Kojto | 122:f9eeca106725 | 1105 | * @param TimeoutAMode This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 1106 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW |
Kojto | 122:f9eeca106725 | 1107 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH |
Kojto | 122:f9eeca106725 | 1108 | * @param TimeoutB |
Kojto | 122:f9eeca106725 | 1109 | * @note This configuration can only be programmed when associated Timeout is disabled (TimeoutA and/orTimeoutB). |
Kojto | 122:f9eeca106725 | 1110 | * @retval None |
Kojto | 122:f9eeca106725 | 1111 | */ |
Kojto | 122:f9eeca106725 | 1112 | __STATIC_INLINE void LL_I2C_ConfigSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t TimeoutA, uint32_t TimeoutAMode, |
Kojto | 122:f9eeca106725 | 1113 | uint32_t TimeoutB) |
Kojto | 122:f9eeca106725 | 1114 | { |
Kojto | 122:f9eeca106725 | 1115 | MODIFY_REG(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA | I2C_TIMEOUTR_TIDLE | I2C_TIMEOUTR_TIMEOUTB, |
Kojto | 122:f9eeca106725 | 1116 | TimeoutA | TimeoutAMode | (TimeoutB << I2C_POSITION_TIMEOUTR_TIMEOUTB)); |
Kojto | 122:f9eeca106725 | 1117 | } |
Kojto | 122:f9eeca106725 | 1118 | |
Kojto | 122:f9eeca106725 | 1119 | /** |
Kojto | 122:f9eeca106725 | 1120 | * @brief Configure the SMBus Clock TimeoutA (SCL low timeout or SCL and SDA high timeout depends on TimeoutA mode). |
Kojto | 122:f9eeca106725 | 1121 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1122 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1123 | * @note These bits can only be programmed when TimeoutA is disabled. |
Kojto | 122:f9eeca106725 | 1124 | * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_SetSMBusTimeoutA |
Kojto | 122:f9eeca106725 | 1125 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1126 | * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. |
Kojto | 122:f9eeca106725 | 1127 | * @retval None |
Kojto | 122:f9eeca106725 | 1128 | */ |
Kojto | 122:f9eeca106725 | 1129 | __STATIC_INLINE void LL_I2C_SetSMBusTimeoutA(I2C_TypeDef *I2Cx, uint32_t TimeoutA) |
Kojto | 122:f9eeca106725 | 1130 | { |
Kojto | 122:f9eeca106725 | 1131 | WRITE_REG(I2Cx->TIMEOUTR, TimeoutA); |
Kojto | 122:f9eeca106725 | 1132 | } |
Kojto | 122:f9eeca106725 | 1133 | |
Kojto | 122:f9eeca106725 | 1134 | /** |
Kojto | 122:f9eeca106725 | 1135 | * @brief Get the SMBus Clock TimeoutA setting. |
Kojto | 122:f9eeca106725 | 1136 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1137 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1138 | * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_GetSMBusTimeoutA |
Kojto | 122:f9eeca106725 | 1139 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1140 | * @retval Value between Min_Data=0 and Max_Data=0xFFF |
Kojto | 122:f9eeca106725 | 1141 | */ |
Kojto | 122:f9eeca106725 | 1142 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutA(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1143 | { |
Kojto | 122:f9eeca106725 | 1144 | return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA)); |
Kojto | 122:f9eeca106725 | 1145 | } |
Kojto | 122:f9eeca106725 | 1146 | |
Kojto | 122:f9eeca106725 | 1147 | /** |
Kojto | 122:f9eeca106725 | 1148 | * @brief Set the SMBus Clock TimeoutA mode. |
Kojto | 122:f9eeca106725 | 1149 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1150 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1151 | * @note This bit can only be programmed when TimeoutA is disabled. |
Kojto | 122:f9eeca106725 | 1152 | * @rmtoll TIMEOUTR TIDLE LL_I2C_SetSMBusTimeoutAMode |
Kojto | 122:f9eeca106725 | 1153 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1154 | * @param TimeoutAMode This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 1155 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW |
Kojto | 122:f9eeca106725 | 1156 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH |
Kojto | 122:f9eeca106725 | 1157 | * @retval None |
Kojto | 122:f9eeca106725 | 1158 | */ |
Kojto | 122:f9eeca106725 | 1159 | __STATIC_INLINE void LL_I2C_SetSMBusTimeoutAMode(I2C_TypeDef *I2Cx, uint32_t TimeoutAMode) |
Kojto | 122:f9eeca106725 | 1160 | { |
Kojto | 122:f9eeca106725 | 1161 | WRITE_REG(I2Cx->TIMEOUTR, TimeoutAMode); |
Kojto | 122:f9eeca106725 | 1162 | } |
Kojto | 122:f9eeca106725 | 1163 | |
Kojto | 122:f9eeca106725 | 1164 | /** |
Kojto | 122:f9eeca106725 | 1165 | * @brief Get the SMBus Clock TimeoutA mode. |
Kojto | 122:f9eeca106725 | 1166 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1167 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1168 | * @rmtoll TIMEOUTR TIDLE LL_I2C_GetSMBusTimeoutAMode |
Kojto | 122:f9eeca106725 | 1169 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1170 | * @retval Returned value can be one of the following values: |
Kojto | 122:f9eeca106725 | 1171 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW |
Kojto | 122:f9eeca106725 | 1172 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH |
Kojto | 122:f9eeca106725 | 1173 | */ |
Kojto | 122:f9eeca106725 | 1174 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutAMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1175 | { |
Kojto | 122:f9eeca106725 | 1176 | return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIDLE)); |
Kojto | 122:f9eeca106725 | 1177 | } |
Kojto | 122:f9eeca106725 | 1178 | |
Kojto | 122:f9eeca106725 | 1179 | /** |
Kojto | 122:f9eeca106725 | 1180 | * @brief Configure the SMBus Extended Cumulative Clock TimeoutB (Master or Slave mode). |
Kojto | 122:f9eeca106725 | 1181 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1182 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1183 | * @note These bits can only be programmed when TimeoutB is disabled. |
Kojto | 122:f9eeca106725 | 1184 | * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_SetSMBusTimeoutB |
Kojto | 122:f9eeca106725 | 1185 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1186 | * @param TimeoutB This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. |
Kojto | 122:f9eeca106725 | 1187 | * @retval None |
Kojto | 122:f9eeca106725 | 1188 | */ |
Kojto | 122:f9eeca106725 | 1189 | __STATIC_INLINE void LL_I2C_SetSMBusTimeoutB(I2C_TypeDef *I2Cx, uint32_t TimeoutB) |
Kojto | 122:f9eeca106725 | 1190 | { |
Kojto | 122:f9eeca106725 | 1191 | WRITE_REG(I2Cx->TIMEOUTR, TimeoutB << I2C_POSITION_TIMEOUTR_TIMEOUTB); |
Kojto | 122:f9eeca106725 | 1192 | } |
Kojto | 122:f9eeca106725 | 1193 | |
Kojto | 122:f9eeca106725 | 1194 | /** |
Kojto | 122:f9eeca106725 | 1195 | * @brief Get the SMBus Extented Cumulative Clock TimeoutB setting. |
Kojto | 122:f9eeca106725 | 1196 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1197 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1198 | * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_GetSMBusTimeoutB |
Kojto | 122:f9eeca106725 | 1199 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1200 | * @retval Value between Min_Data=0 and Max_Data=0xFFF |
Kojto | 122:f9eeca106725 | 1201 | */ |
Kojto | 122:f9eeca106725 | 1202 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutB(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1203 | { |
Kojto | 122:f9eeca106725 | 1204 | return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTB) >> I2C_POSITION_TIMEOUTR_TIMEOUTB); |
Kojto | 122:f9eeca106725 | 1205 | } |
Kojto | 122:f9eeca106725 | 1206 | |
Kojto | 122:f9eeca106725 | 1207 | /** |
Kojto | 122:f9eeca106725 | 1208 | * @brief Enable the SMBus Clock Timeout. |
Kojto | 122:f9eeca106725 | 1209 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1210 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1211 | * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_EnableSMBusTimeout\n |
Kojto | 122:f9eeca106725 | 1212 | * TIMEOUTR TEXTEN LL_I2C_EnableSMBusTimeout |
Kojto | 122:f9eeca106725 | 1213 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1214 | * @param ClockTimeout This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 1215 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA |
Kojto | 122:f9eeca106725 | 1216 | * @arg @ref LL_I2C_SMBUS_TIMEOUTB |
Kojto | 122:f9eeca106725 | 1217 | * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT |
Kojto | 122:f9eeca106725 | 1218 | * @retval None |
Kojto | 122:f9eeca106725 | 1219 | */ |
Kojto | 122:f9eeca106725 | 1220 | __STATIC_INLINE void LL_I2C_EnableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) |
Kojto | 122:f9eeca106725 | 1221 | { |
Kojto | 122:f9eeca106725 | 1222 | SET_BIT(I2Cx->TIMEOUTR, ClockTimeout); |
Kojto | 122:f9eeca106725 | 1223 | } |
Kojto | 122:f9eeca106725 | 1224 | |
Kojto | 122:f9eeca106725 | 1225 | /** |
Kojto | 122:f9eeca106725 | 1226 | * @brief Disable the SMBus Clock Timeout. |
Kojto | 122:f9eeca106725 | 1227 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1228 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1229 | * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_DisableSMBusTimeout\n |
Kojto | 122:f9eeca106725 | 1230 | * TIMEOUTR TEXTEN LL_I2C_DisableSMBusTimeout |
Kojto | 122:f9eeca106725 | 1231 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1232 | * @param ClockTimeout This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 1233 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA |
Kojto | 122:f9eeca106725 | 1234 | * @arg @ref LL_I2C_SMBUS_TIMEOUTB |
Kojto | 122:f9eeca106725 | 1235 | * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT |
Kojto | 122:f9eeca106725 | 1236 | * @retval None |
Kojto | 122:f9eeca106725 | 1237 | */ |
Kojto | 122:f9eeca106725 | 1238 | __STATIC_INLINE void LL_I2C_DisableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) |
Kojto | 122:f9eeca106725 | 1239 | { |
Kojto | 122:f9eeca106725 | 1240 | CLEAR_BIT(I2Cx->TIMEOUTR, ClockTimeout); |
Kojto | 122:f9eeca106725 | 1241 | } |
Kojto | 122:f9eeca106725 | 1242 | |
Kojto | 122:f9eeca106725 | 1243 | /** |
Kojto | 122:f9eeca106725 | 1244 | * @brief Check if the SMBus Clock Timeout is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1245 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1246 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1247 | * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_IsEnabledSMBusTimeout\n |
Kojto | 122:f9eeca106725 | 1248 | * TIMEOUTR TEXTEN LL_I2C_IsEnabledSMBusTimeout |
Kojto | 122:f9eeca106725 | 1249 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1250 | * @param ClockTimeout This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 1251 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA |
Kojto | 122:f9eeca106725 | 1252 | * @arg @ref LL_I2C_SMBUS_TIMEOUTB |
Kojto | 122:f9eeca106725 | 1253 | * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT |
Kojto | 122:f9eeca106725 | 1254 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1255 | */ |
Kojto | 122:f9eeca106725 | 1256 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) |
Kojto | 122:f9eeca106725 | 1257 | { |
Kojto | 122:f9eeca106725 | 1258 | return (READ_BIT(I2Cx->TIMEOUTR, (I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN)) == (ClockTimeout)); |
Kojto | 122:f9eeca106725 | 1259 | } |
Kojto | 122:f9eeca106725 | 1260 | |
Kojto | 122:f9eeca106725 | 1261 | /** |
Kojto | 122:f9eeca106725 | 1262 | * @} |
Kojto | 122:f9eeca106725 | 1263 | */ |
Kojto | 122:f9eeca106725 | 1264 | |
Kojto | 122:f9eeca106725 | 1265 | /** @defgroup I2C_LL_EF_IT_Management IT_Management |
Kojto | 122:f9eeca106725 | 1266 | * @{ |
Kojto | 122:f9eeca106725 | 1267 | */ |
Kojto | 122:f9eeca106725 | 1268 | |
Kojto | 122:f9eeca106725 | 1269 | /** |
Kojto | 122:f9eeca106725 | 1270 | * @brief Enable TXIS interrupt. |
Kojto | 122:f9eeca106725 | 1271 | * @rmtoll CR1 TXIE LL_I2C_EnableIT_TX |
Kojto | 122:f9eeca106725 | 1272 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1273 | * @retval None |
Kojto | 122:f9eeca106725 | 1274 | */ |
Kojto | 122:f9eeca106725 | 1275 | __STATIC_INLINE void LL_I2C_EnableIT_TX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1276 | { |
Kojto | 122:f9eeca106725 | 1277 | SET_BIT(I2Cx->CR1, I2C_CR1_TXIE); |
Kojto | 122:f9eeca106725 | 1278 | } |
Kojto | 122:f9eeca106725 | 1279 | |
Kojto | 122:f9eeca106725 | 1280 | /** |
Kojto | 122:f9eeca106725 | 1281 | * @brief Disable TXIS interrupt. |
Kojto | 122:f9eeca106725 | 1282 | * @rmtoll CR1 TXIE LL_I2C_DisableIT_TX |
Kojto | 122:f9eeca106725 | 1283 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1284 | * @retval None |
Kojto | 122:f9eeca106725 | 1285 | */ |
Kojto | 122:f9eeca106725 | 1286 | __STATIC_INLINE void LL_I2C_DisableIT_TX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1287 | { |
Kojto | 122:f9eeca106725 | 1288 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXIE); |
Kojto | 122:f9eeca106725 | 1289 | } |
Kojto | 122:f9eeca106725 | 1290 | |
Kojto | 122:f9eeca106725 | 1291 | /** |
Kojto | 122:f9eeca106725 | 1292 | * @brief Check if the TXIS Interrupt is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1293 | * @rmtoll CR1 TXIE LL_I2C_IsEnabledIT_TX |
Kojto | 122:f9eeca106725 | 1294 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1295 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1296 | */ |
Kojto | 122:f9eeca106725 | 1297 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1298 | { |
Kojto | 122:f9eeca106725 | 1299 | return (READ_BIT(I2Cx->CR1, I2C_CR1_TXIE) == (I2C_CR1_TXIE)); |
Kojto | 122:f9eeca106725 | 1300 | } |
Kojto | 122:f9eeca106725 | 1301 | |
Kojto | 122:f9eeca106725 | 1302 | /** |
Kojto | 122:f9eeca106725 | 1303 | * @brief Enable RXNE interrupt. |
Kojto | 122:f9eeca106725 | 1304 | * @rmtoll CR1 RXIE LL_I2C_EnableIT_RX |
Kojto | 122:f9eeca106725 | 1305 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1306 | * @retval None |
Kojto | 122:f9eeca106725 | 1307 | */ |
Kojto | 122:f9eeca106725 | 1308 | __STATIC_INLINE void LL_I2C_EnableIT_RX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1309 | { |
Kojto | 122:f9eeca106725 | 1310 | SET_BIT(I2Cx->CR1, I2C_CR1_RXIE); |
Kojto | 122:f9eeca106725 | 1311 | } |
Kojto | 122:f9eeca106725 | 1312 | |
Kojto | 122:f9eeca106725 | 1313 | /** |
Kojto | 122:f9eeca106725 | 1314 | * @brief Disable RXNE interrupt. |
Kojto | 122:f9eeca106725 | 1315 | * @rmtoll CR1 RXIE LL_I2C_DisableIT_RX |
Kojto | 122:f9eeca106725 | 1316 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1317 | * @retval None |
Kojto | 122:f9eeca106725 | 1318 | */ |
Kojto | 122:f9eeca106725 | 1319 | __STATIC_INLINE void LL_I2C_DisableIT_RX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1320 | { |
Kojto | 122:f9eeca106725 | 1321 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXIE); |
Kojto | 122:f9eeca106725 | 1322 | } |
Kojto | 122:f9eeca106725 | 1323 | |
Kojto | 122:f9eeca106725 | 1324 | /** |
Kojto | 122:f9eeca106725 | 1325 | * @brief Check if the RXNE Interrupt is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1326 | * @rmtoll CR1 RXIE LL_I2C_IsEnabledIT_RX |
Kojto | 122:f9eeca106725 | 1327 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1328 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1329 | */ |
Kojto | 122:f9eeca106725 | 1330 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_RX(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1331 | { |
Kojto | 122:f9eeca106725 | 1332 | return (READ_BIT(I2Cx->CR1, I2C_CR1_RXIE) == (I2C_CR1_RXIE)); |
Kojto | 122:f9eeca106725 | 1333 | } |
Kojto | 122:f9eeca106725 | 1334 | |
Kojto | 122:f9eeca106725 | 1335 | /** |
Kojto | 122:f9eeca106725 | 1336 | * @brief Enable Address match interrupt (slave mode only). |
Kojto | 122:f9eeca106725 | 1337 | * @rmtoll CR1 ADDRIE LL_I2C_EnableIT_ADDR |
Kojto | 122:f9eeca106725 | 1338 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1339 | * @retval None |
Kojto | 122:f9eeca106725 | 1340 | */ |
Kojto | 122:f9eeca106725 | 1341 | __STATIC_INLINE void LL_I2C_EnableIT_ADDR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1342 | { |
Kojto | 122:f9eeca106725 | 1343 | SET_BIT(I2Cx->CR1, I2C_CR1_ADDRIE); |
Kojto | 122:f9eeca106725 | 1344 | } |
Kojto | 122:f9eeca106725 | 1345 | |
Kojto | 122:f9eeca106725 | 1346 | /** |
Kojto | 122:f9eeca106725 | 1347 | * @brief Disable Address match interrupt (slave mode only). |
Kojto | 122:f9eeca106725 | 1348 | * @rmtoll CR1 ADDRIE LL_I2C_DisableIT_ADDR |
Kojto | 122:f9eeca106725 | 1349 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1350 | * @retval None |
Kojto | 122:f9eeca106725 | 1351 | */ |
Kojto | 122:f9eeca106725 | 1352 | __STATIC_INLINE void LL_I2C_DisableIT_ADDR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1353 | { |
Kojto | 122:f9eeca106725 | 1354 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ADDRIE); |
Kojto | 122:f9eeca106725 | 1355 | } |
Kojto | 122:f9eeca106725 | 1356 | |
Kojto | 122:f9eeca106725 | 1357 | /** |
Kojto | 122:f9eeca106725 | 1358 | * @brief Check if Address match interrupt is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1359 | * @rmtoll CR1 ADDRIE LL_I2C_IsEnabledIT_ADDR |
Kojto | 122:f9eeca106725 | 1360 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1361 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1362 | */ |
Kojto | 122:f9eeca106725 | 1363 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ADDR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1364 | { |
Kojto | 122:f9eeca106725 | 1365 | return (READ_BIT(I2Cx->CR1, I2C_CR1_ADDRIE) == (I2C_CR1_ADDRIE)); |
Kojto | 122:f9eeca106725 | 1366 | } |
Kojto | 122:f9eeca106725 | 1367 | |
Kojto | 122:f9eeca106725 | 1368 | /** |
Kojto | 122:f9eeca106725 | 1369 | * @brief Enable Not acknowledge received interrupt. |
Kojto | 122:f9eeca106725 | 1370 | * @rmtoll CR1 NACKIE LL_I2C_EnableIT_NACK |
Kojto | 122:f9eeca106725 | 1371 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1372 | * @retval None |
Kojto | 122:f9eeca106725 | 1373 | */ |
Kojto | 122:f9eeca106725 | 1374 | __STATIC_INLINE void LL_I2C_EnableIT_NACK(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1375 | { |
Kojto | 122:f9eeca106725 | 1376 | SET_BIT(I2Cx->CR1, I2C_CR1_NACKIE); |
Kojto | 122:f9eeca106725 | 1377 | } |
Kojto | 122:f9eeca106725 | 1378 | |
Kojto | 122:f9eeca106725 | 1379 | /** |
Kojto | 122:f9eeca106725 | 1380 | * @brief Disable Not acknowledge received interrupt. |
Kojto | 122:f9eeca106725 | 1381 | * @rmtoll CR1 NACKIE LL_I2C_DisableIT_NACK |
Kojto | 122:f9eeca106725 | 1382 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1383 | * @retval None |
Kojto | 122:f9eeca106725 | 1384 | */ |
Kojto | 122:f9eeca106725 | 1385 | __STATIC_INLINE void LL_I2C_DisableIT_NACK(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1386 | { |
Kojto | 122:f9eeca106725 | 1387 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_NACKIE); |
Kojto | 122:f9eeca106725 | 1388 | } |
Kojto | 122:f9eeca106725 | 1389 | |
Kojto | 122:f9eeca106725 | 1390 | /** |
Kojto | 122:f9eeca106725 | 1391 | * @brief Check if Not acknowledge received interrupt is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1392 | * @rmtoll CR1 NACKIE LL_I2C_IsEnabledIT_NACK |
Kojto | 122:f9eeca106725 | 1393 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1394 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1395 | */ |
Kojto | 122:f9eeca106725 | 1396 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_NACK(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1397 | { |
Kojto | 122:f9eeca106725 | 1398 | return (READ_BIT(I2Cx->CR1, I2C_CR1_NACKIE) == (I2C_CR1_NACKIE)); |
Kojto | 122:f9eeca106725 | 1399 | } |
Kojto | 122:f9eeca106725 | 1400 | |
Kojto | 122:f9eeca106725 | 1401 | /** |
Kojto | 122:f9eeca106725 | 1402 | * @brief Enable STOP detection interrupt. |
Kojto | 122:f9eeca106725 | 1403 | * @rmtoll CR1 STOPIE LL_I2C_EnableIT_STOP |
Kojto | 122:f9eeca106725 | 1404 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1405 | * @retval None |
Kojto | 122:f9eeca106725 | 1406 | */ |
Kojto | 122:f9eeca106725 | 1407 | __STATIC_INLINE void LL_I2C_EnableIT_STOP(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1408 | { |
Kojto | 122:f9eeca106725 | 1409 | SET_BIT(I2Cx->CR1, I2C_CR1_STOPIE); |
Kojto | 122:f9eeca106725 | 1410 | } |
Kojto | 122:f9eeca106725 | 1411 | |
Kojto | 122:f9eeca106725 | 1412 | /** |
Kojto | 122:f9eeca106725 | 1413 | * @brief Disable STOP detection interrupt. |
Kojto | 122:f9eeca106725 | 1414 | * @rmtoll CR1 STOPIE LL_I2C_DisableIT_STOP |
Kojto | 122:f9eeca106725 | 1415 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1416 | * @retval None |
Kojto | 122:f9eeca106725 | 1417 | */ |
Kojto | 122:f9eeca106725 | 1418 | __STATIC_INLINE void LL_I2C_DisableIT_STOP(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1419 | { |
Kojto | 122:f9eeca106725 | 1420 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_STOPIE); |
Kojto | 122:f9eeca106725 | 1421 | } |
Kojto | 122:f9eeca106725 | 1422 | |
Kojto | 122:f9eeca106725 | 1423 | /** |
Kojto | 122:f9eeca106725 | 1424 | * @brief Check if STOP detection interrupt is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1425 | * @rmtoll CR1 STOPIE LL_I2C_IsEnabledIT_STOP |
Kojto | 122:f9eeca106725 | 1426 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1427 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1428 | */ |
Kojto | 122:f9eeca106725 | 1429 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_STOP(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1430 | { |
Kojto | 122:f9eeca106725 | 1431 | return (READ_BIT(I2Cx->CR1, I2C_CR1_STOPIE) == (I2C_CR1_STOPIE)); |
Kojto | 122:f9eeca106725 | 1432 | } |
Kojto | 122:f9eeca106725 | 1433 | |
Kojto | 122:f9eeca106725 | 1434 | /** |
Kojto | 122:f9eeca106725 | 1435 | * @brief Enable Transfer Complete interrupt. |
Kojto | 122:f9eeca106725 | 1436 | * @note Any of these events will generate interrupt : |
Kojto | 122:f9eeca106725 | 1437 | * Transfer Complete (TC) |
Kojto | 122:f9eeca106725 | 1438 | * Transfer Complete Reload (TCR) |
Kojto | 122:f9eeca106725 | 1439 | * @rmtoll CR1 TCIE LL_I2C_EnableIT_TC |
Kojto | 122:f9eeca106725 | 1440 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1441 | * @retval None |
Kojto | 122:f9eeca106725 | 1442 | */ |
Kojto | 122:f9eeca106725 | 1443 | __STATIC_INLINE void LL_I2C_EnableIT_TC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1444 | { |
Kojto | 122:f9eeca106725 | 1445 | SET_BIT(I2Cx->CR1, I2C_CR1_TCIE); |
Kojto | 122:f9eeca106725 | 1446 | } |
Kojto | 122:f9eeca106725 | 1447 | |
Kojto | 122:f9eeca106725 | 1448 | /** |
Kojto | 122:f9eeca106725 | 1449 | * @brief Disable Transfer Complete interrupt. |
Kojto | 122:f9eeca106725 | 1450 | * @note Any of these events will generate interrupt : |
Kojto | 122:f9eeca106725 | 1451 | * Transfer Complete (TC) |
Kojto | 122:f9eeca106725 | 1452 | * Transfer Complete Reload (TCR) |
Kojto | 122:f9eeca106725 | 1453 | * @rmtoll CR1 TCIE LL_I2C_DisableIT_TC |
Kojto | 122:f9eeca106725 | 1454 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1455 | * @retval None |
Kojto | 122:f9eeca106725 | 1456 | */ |
Kojto | 122:f9eeca106725 | 1457 | __STATIC_INLINE void LL_I2C_DisableIT_TC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1458 | { |
Kojto | 122:f9eeca106725 | 1459 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_TCIE); |
Kojto | 122:f9eeca106725 | 1460 | } |
Kojto | 122:f9eeca106725 | 1461 | |
Kojto | 122:f9eeca106725 | 1462 | /** |
Kojto | 122:f9eeca106725 | 1463 | * @brief Check if Transfer Complete interrupt is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1464 | * @rmtoll CR1 TCIE LL_I2C_IsEnabledIT_TC |
Kojto | 122:f9eeca106725 | 1465 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1466 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1467 | */ |
Kojto | 122:f9eeca106725 | 1468 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1469 | { |
Kojto | 122:f9eeca106725 | 1470 | return (READ_BIT(I2Cx->CR1, I2C_CR1_TCIE) == (I2C_CR1_TCIE)); |
Kojto | 122:f9eeca106725 | 1471 | } |
Kojto | 122:f9eeca106725 | 1472 | |
Kojto | 122:f9eeca106725 | 1473 | /** |
Kojto | 122:f9eeca106725 | 1474 | * @brief Enable Error interrupts. |
Kojto | 122:f9eeca106725 | 1475 | * @note Any of these errors will generate interrupt : |
Kojto | 122:f9eeca106725 | 1476 | * Arbitration Loss (ARLO) |
Kojto | 122:f9eeca106725 | 1477 | * Bus Error detection (BERR) |
Kojto | 122:f9eeca106725 | 1478 | * Overrun/Underrun (OVR) |
Kojto | 122:f9eeca106725 | 1479 | * SMBus Timeout detection (TIMEOUT) |
Kojto | 122:f9eeca106725 | 1480 | * SMBus PEC error detection (PECERR) |
Kojto | 122:f9eeca106725 | 1481 | * SMBus Alert pin event detection (ALERT) |
Kojto | 122:f9eeca106725 | 1482 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1483 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1484 | * @rmtoll CR1 ERRIE LL_I2C_EnableIT_ERR |
Kojto | 122:f9eeca106725 | 1485 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1486 | * @retval None |
Kojto | 122:f9eeca106725 | 1487 | */ |
Kojto | 122:f9eeca106725 | 1488 | __STATIC_INLINE void LL_I2C_EnableIT_ERR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1489 | { |
Kojto | 122:f9eeca106725 | 1490 | SET_BIT(I2Cx->CR1, I2C_CR1_ERRIE); |
Kojto | 122:f9eeca106725 | 1491 | } |
Kojto | 122:f9eeca106725 | 1492 | |
Kojto | 122:f9eeca106725 | 1493 | /** |
Kojto | 122:f9eeca106725 | 1494 | * @brief Disable Error interrupts. |
Kojto | 122:f9eeca106725 | 1495 | * @note Any of these errors will generate interrupt : |
Kojto | 122:f9eeca106725 | 1496 | * Arbitration Loss (ARLO) |
Kojto | 122:f9eeca106725 | 1497 | * Bus Error detection (BERR) |
Kojto | 122:f9eeca106725 | 1498 | * Overrun/Underrun (OVR) |
Kojto | 122:f9eeca106725 | 1499 | * SMBus Timeout detection (TIMEOUT) |
Kojto | 122:f9eeca106725 | 1500 | * SMBus PEC error detection (PECERR) |
Kojto | 122:f9eeca106725 | 1501 | * SMBus Alert pin event detection (ALERT) |
Kojto | 122:f9eeca106725 | 1502 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1503 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1504 | * @rmtoll CR1 ERRIE LL_I2C_DisableIT_ERR |
Kojto | 122:f9eeca106725 | 1505 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1506 | * @retval None |
Kojto | 122:f9eeca106725 | 1507 | */ |
Kojto | 122:f9eeca106725 | 1508 | __STATIC_INLINE void LL_I2C_DisableIT_ERR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1509 | { |
Kojto | 122:f9eeca106725 | 1510 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ERRIE); |
Kojto | 122:f9eeca106725 | 1511 | } |
Kojto | 122:f9eeca106725 | 1512 | |
Kojto | 122:f9eeca106725 | 1513 | /** |
Kojto | 122:f9eeca106725 | 1514 | * @brief Check if Error interrupts is enabled of disabled. |
Kojto | 122:f9eeca106725 | 1515 | * @rmtoll CR1 ERRIE LL_I2C_IsEnabledIT_ERR |
Kojto | 122:f9eeca106725 | 1516 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1517 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1518 | */ |
Kojto | 122:f9eeca106725 | 1519 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1520 | { |
Kojto | 122:f9eeca106725 | 1521 | return (READ_BIT(I2Cx->CR1, I2C_CR1_ERRIE) == (I2C_CR1_ERRIE)); |
Kojto | 122:f9eeca106725 | 1522 | } |
Kojto | 122:f9eeca106725 | 1523 | |
Kojto | 122:f9eeca106725 | 1524 | /** |
Kojto | 122:f9eeca106725 | 1525 | * @} |
Kojto | 122:f9eeca106725 | 1526 | */ |
Kojto | 122:f9eeca106725 | 1527 | |
Kojto | 122:f9eeca106725 | 1528 | /** @defgroup I2C_LL_EF_FLAG_management FLAG_management |
Kojto | 122:f9eeca106725 | 1529 | * @{ |
Kojto | 122:f9eeca106725 | 1530 | */ |
Kojto | 122:f9eeca106725 | 1531 | |
Kojto | 122:f9eeca106725 | 1532 | /** |
Kojto | 122:f9eeca106725 | 1533 | * @brief Indicate the status of Transmit data register empty flag. |
Kojto | 122:f9eeca106725 | 1534 | * @note RESET: When next data is written in Transmit data register. |
Kojto | 122:f9eeca106725 | 1535 | * SET: When Transmit data register is empty. |
Kojto | 122:f9eeca106725 | 1536 | * @rmtoll ISR TXE LL_I2C_IsActiveFlag_TXE |
Kojto | 122:f9eeca106725 | 1537 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1538 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1539 | */ |
Kojto | 122:f9eeca106725 | 1540 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1541 | { |
Kojto | 122:f9eeca106725 | 1542 | return (READ_BIT(I2Cx->ISR, I2C_ISR_TXE) == (I2C_ISR_TXE)); |
Kojto | 122:f9eeca106725 | 1543 | } |
Kojto | 122:f9eeca106725 | 1544 | |
Kojto | 122:f9eeca106725 | 1545 | /** |
Kojto | 122:f9eeca106725 | 1546 | * @brief Indicate the status of Transmit interrupt flag. |
Kojto | 122:f9eeca106725 | 1547 | * @note RESET: When next data is written in Transmit data register. |
Kojto | 122:f9eeca106725 | 1548 | * SET: When Transmit data register is empty. |
Kojto | 122:f9eeca106725 | 1549 | * @rmtoll ISR TXIS LL_I2C_IsActiveFlag_TXIS |
Kojto | 122:f9eeca106725 | 1550 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1551 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1552 | */ |
Kojto | 122:f9eeca106725 | 1553 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1554 | { |
Kojto | 122:f9eeca106725 | 1555 | return (READ_BIT(I2Cx->ISR, I2C_ISR_TXIS) == (I2C_ISR_TXIS)); |
Kojto | 122:f9eeca106725 | 1556 | } |
Kojto | 122:f9eeca106725 | 1557 | |
Kojto | 122:f9eeca106725 | 1558 | /** |
Kojto | 122:f9eeca106725 | 1559 | * @brief Indicate the status of Receive data register not empty flag. |
Kojto | 122:f9eeca106725 | 1560 | * @note RESET: When Receive data register is read. |
Kojto | 122:f9eeca106725 | 1561 | * SET: When the received data is copied in Receive data register. |
Kojto | 122:f9eeca106725 | 1562 | * @rmtoll ISR RXNE LL_I2C_IsActiveFlag_RXNE |
Kojto | 122:f9eeca106725 | 1563 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1564 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1565 | */ |
Kojto | 122:f9eeca106725 | 1566 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1567 | { |
Kojto | 122:f9eeca106725 | 1568 | return (READ_BIT(I2Cx->ISR, I2C_ISR_RXNE) == (I2C_ISR_RXNE)); |
Kojto | 122:f9eeca106725 | 1569 | } |
Kojto | 122:f9eeca106725 | 1570 | |
Kojto | 122:f9eeca106725 | 1571 | /** |
Kojto | 122:f9eeca106725 | 1572 | * @brief Indicate the status of Address matched flag (slave mode). |
Kojto | 122:f9eeca106725 | 1573 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1574 | * SET: When the received slave address matched with one of the enabled slave address. |
Kojto | 122:f9eeca106725 | 1575 | * @rmtoll ISR ADDR LL_I2C_IsActiveFlag_ADDR |
Kojto | 122:f9eeca106725 | 1576 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1577 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1578 | */ |
Kojto | 122:f9eeca106725 | 1579 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1580 | { |
Kojto | 122:f9eeca106725 | 1581 | return (READ_BIT(I2Cx->ISR, I2C_ISR_ADDR) == (I2C_ISR_ADDR)); |
Kojto | 122:f9eeca106725 | 1582 | } |
Kojto | 122:f9eeca106725 | 1583 | |
Kojto | 122:f9eeca106725 | 1584 | /** |
Kojto | 122:f9eeca106725 | 1585 | * @brief Indicate the status of Not Acknowledge received flag. |
Kojto | 122:f9eeca106725 | 1586 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1587 | * SET: When a NACK is received after a byte transmission. |
Kojto | 122:f9eeca106725 | 1588 | * @rmtoll ISR NACKF LL_I2C_IsActiveFlag_NACK |
Kojto | 122:f9eeca106725 | 1589 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1590 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1591 | */ |
Kojto | 122:f9eeca106725 | 1592 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1593 | { |
Kojto | 122:f9eeca106725 | 1594 | return (READ_BIT(I2Cx->ISR, I2C_ISR_NACKF) == (I2C_ISR_NACKF)); |
Kojto | 122:f9eeca106725 | 1595 | } |
Kojto | 122:f9eeca106725 | 1596 | |
Kojto | 122:f9eeca106725 | 1597 | /** |
Kojto | 122:f9eeca106725 | 1598 | * @brief Indicate the status of Stop detection flag. |
Kojto | 122:f9eeca106725 | 1599 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1600 | * SET: When a Stop condition is detected. |
Kojto | 122:f9eeca106725 | 1601 | * @rmtoll ISR STOPF LL_I2C_IsActiveFlag_STOP |
Kojto | 122:f9eeca106725 | 1602 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1603 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1604 | */ |
Kojto | 122:f9eeca106725 | 1605 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1606 | { |
Kojto | 122:f9eeca106725 | 1607 | return (READ_BIT(I2Cx->ISR, I2C_ISR_STOPF) == (I2C_ISR_STOPF)); |
Kojto | 122:f9eeca106725 | 1608 | } |
Kojto | 122:f9eeca106725 | 1609 | |
Kojto | 122:f9eeca106725 | 1610 | /** |
Kojto | 122:f9eeca106725 | 1611 | * @brief Indicate the status of Transfer complete flag (master mode). |
Kojto | 122:f9eeca106725 | 1612 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1613 | * SET: When RELOAD=0, AUTOEND=0 and NBYTES date have been transferred. |
Kojto | 122:f9eeca106725 | 1614 | * @rmtoll ISR TC LL_I2C_IsActiveFlag_TC |
Kojto | 122:f9eeca106725 | 1615 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1616 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1617 | */ |
Kojto | 122:f9eeca106725 | 1618 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1619 | { |
Kojto | 122:f9eeca106725 | 1620 | return (READ_BIT(I2Cx->ISR, I2C_ISR_TC) == (I2C_ISR_TC)); |
Kojto | 122:f9eeca106725 | 1621 | } |
Kojto | 122:f9eeca106725 | 1622 | |
Kojto | 122:f9eeca106725 | 1623 | /** |
Kojto | 122:f9eeca106725 | 1624 | * @brief Indicate the status of Transfer complete flag (master mode). |
Kojto | 122:f9eeca106725 | 1625 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1626 | * SET: When RELOAD=1 and NBYTES date have been transferred. |
Kojto | 122:f9eeca106725 | 1627 | * @rmtoll ISR TCR LL_I2C_IsActiveFlag_TCR |
Kojto | 122:f9eeca106725 | 1628 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1629 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1630 | */ |
Kojto | 122:f9eeca106725 | 1631 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1632 | { |
Kojto | 122:f9eeca106725 | 1633 | return (READ_BIT(I2Cx->ISR, I2C_ISR_TCR) == (I2C_ISR_TCR)); |
Kojto | 122:f9eeca106725 | 1634 | } |
Kojto | 122:f9eeca106725 | 1635 | |
Kojto | 122:f9eeca106725 | 1636 | /** |
Kojto | 122:f9eeca106725 | 1637 | * @brief Indicate the status of Bus error flag. |
Kojto | 122:f9eeca106725 | 1638 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1639 | * SET: When a misplaced Start or Stop condition is detected. |
Kojto | 122:f9eeca106725 | 1640 | * @rmtoll ISR BERR LL_I2C_IsActiveFlag_BERR |
Kojto | 122:f9eeca106725 | 1641 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1642 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1643 | */ |
Kojto | 122:f9eeca106725 | 1644 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1645 | { |
Kojto | 122:f9eeca106725 | 1646 | return (READ_BIT(I2Cx->ISR, I2C_ISR_BERR) == (I2C_ISR_BERR)); |
Kojto | 122:f9eeca106725 | 1647 | } |
Kojto | 122:f9eeca106725 | 1648 | |
Kojto | 122:f9eeca106725 | 1649 | /** |
Kojto | 122:f9eeca106725 | 1650 | * @brief Indicate the status of Arbitration lost flag. |
Kojto | 122:f9eeca106725 | 1651 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1652 | * SET: When arbitration lost. |
Kojto | 122:f9eeca106725 | 1653 | * @rmtoll ISR ARLO LL_I2C_IsActiveFlag_ARLO |
Kojto | 122:f9eeca106725 | 1654 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1655 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1656 | */ |
Kojto | 122:f9eeca106725 | 1657 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1658 | { |
Kojto | 122:f9eeca106725 | 1659 | return (READ_BIT(I2Cx->ISR, I2C_ISR_ARLO) == (I2C_ISR_ARLO)); |
Kojto | 122:f9eeca106725 | 1660 | } |
Kojto | 122:f9eeca106725 | 1661 | |
Kojto | 122:f9eeca106725 | 1662 | /** |
Kojto | 122:f9eeca106725 | 1663 | * @brief Indicate the status of Overrun/Underrun flag (slave mode). |
Kojto | 122:f9eeca106725 | 1664 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1665 | * SET: When an overrun/underrun error occurs (Clock Stretching Disabled). |
Kojto | 122:f9eeca106725 | 1666 | * @rmtoll ISR OVR LL_I2C_IsActiveFlag_OVR |
Kojto | 122:f9eeca106725 | 1667 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1668 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1669 | */ |
Kojto | 122:f9eeca106725 | 1670 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1671 | { |
Kojto | 122:f9eeca106725 | 1672 | return (READ_BIT(I2Cx->ISR, I2C_ISR_OVR) == (I2C_ISR_OVR)); |
Kojto | 122:f9eeca106725 | 1673 | } |
Kojto | 122:f9eeca106725 | 1674 | |
Kojto | 122:f9eeca106725 | 1675 | /** |
Kojto | 122:f9eeca106725 | 1676 | * @brief Indicate the status of Bus Busy flag. |
Kojto | 122:f9eeca106725 | 1677 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1678 | * SET: When a Start condition is detected. |
Kojto | 122:f9eeca106725 | 1679 | * @rmtoll ISR BUSY LL_I2C_IsActiveFlag_BUSY |
Kojto | 122:f9eeca106725 | 1680 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1681 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1682 | */ |
Kojto | 122:f9eeca106725 | 1683 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1684 | { |
Kojto | 122:f9eeca106725 | 1685 | return (READ_BIT(I2Cx->ISR, I2C_ISR_BUSY) == (I2C_ISR_BUSY)); |
Kojto | 122:f9eeca106725 | 1686 | } |
Kojto | 122:f9eeca106725 | 1687 | |
Kojto | 122:f9eeca106725 | 1688 | /** |
Kojto | 122:f9eeca106725 | 1689 | * @brief Clear Address Matched flag. |
Kojto | 122:f9eeca106725 | 1690 | * @rmtoll ICR ADDRCF LL_I2C_ClearFlag_ADDR |
Kojto | 122:f9eeca106725 | 1691 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1692 | * @retval None |
Kojto | 122:f9eeca106725 | 1693 | */ |
Kojto | 122:f9eeca106725 | 1694 | __STATIC_INLINE void LL_I2C_ClearFlag_ADDR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1695 | { |
Kojto | 122:f9eeca106725 | 1696 | SET_BIT(I2Cx->ICR, I2C_ICR_ADDRCF); |
Kojto | 122:f9eeca106725 | 1697 | } |
Kojto | 122:f9eeca106725 | 1698 | |
Kojto | 122:f9eeca106725 | 1699 | /** |
Kojto | 122:f9eeca106725 | 1700 | * @brief Clear Not Acknowledge flag. |
Kojto | 122:f9eeca106725 | 1701 | * @rmtoll ICR NACKCF LL_I2C_ClearFlag_NACK |
Kojto | 122:f9eeca106725 | 1702 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1703 | * @retval None |
Kojto | 122:f9eeca106725 | 1704 | */ |
Kojto | 122:f9eeca106725 | 1705 | __STATIC_INLINE void LL_I2C_ClearFlag_NACK(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1706 | { |
Kojto | 122:f9eeca106725 | 1707 | SET_BIT(I2Cx->ICR, I2C_ICR_NACKCF); |
Kojto | 122:f9eeca106725 | 1708 | } |
Kojto | 122:f9eeca106725 | 1709 | |
Kojto | 122:f9eeca106725 | 1710 | /** |
Kojto | 122:f9eeca106725 | 1711 | * @brief Clear Stop detection flag. |
Kojto | 122:f9eeca106725 | 1712 | * @rmtoll ICR STOPCF LL_I2C_ClearFlag_STOP |
Kojto | 122:f9eeca106725 | 1713 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1714 | * @retval None |
Kojto | 122:f9eeca106725 | 1715 | */ |
Kojto | 122:f9eeca106725 | 1716 | __STATIC_INLINE void LL_I2C_ClearFlag_STOP(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1717 | { |
Kojto | 122:f9eeca106725 | 1718 | SET_BIT(I2Cx->ICR, I2C_ICR_STOPCF); |
Kojto | 122:f9eeca106725 | 1719 | } |
Kojto | 122:f9eeca106725 | 1720 | |
Kojto | 122:f9eeca106725 | 1721 | /** |
Kojto | 122:f9eeca106725 | 1722 | * @brief Clear Transmit data register empty flag (TXE). |
Kojto | 122:f9eeca106725 | 1723 | * @note This bit can be clear by software in order to flush the transmit data register (TXDR). |
Kojto | 122:f9eeca106725 | 1724 | * @rmtoll ISR TXE LL_I2C_ClearFlag_TXE |
Kojto | 122:f9eeca106725 | 1725 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1726 | * @retval None |
Kojto | 122:f9eeca106725 | 1727 | */ |
Kojto | 122:f9eeca106725 | 1728 | __STATIC_INLINE void LL_I2C_ClearFlag_TXE(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1729 | { |
Kojto | 122:f9eeca106725 | 1730 | WRITE_REG(I2Cx->ISR, I2C_ISR_TXE); |
Kojto | 122:f9eeca106725 | 1731 | } |
Kojto | 122:f9eeca106725 | 1732 | |
Kojto | 122:f9eeca106725 | 1733 | /** |
Kojto | 122:f9eeca106725 | 1734 | * @brief Clear Bus error flag. |
Kojto | 122:f9eeca106725 | 1735 | * @rmtoll ICR BERRCF LL_I2C_ClearFlag_BERR |
Kojto | 122:f9eeca106725 | 1736 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1737 | * @retval None |
Kojto | 122:f9eeca106725 | 1738 | */ |
Kojto | 122:f9eeca106725 | 1739 | __STATIC_INLINE void LL_I2C_ClearFlag_BERR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1740 | { |
Kojto | 122:f9eeca106725 | 1741 | SET_BIT(I2Cx->ICR, I2C_ICR_BERRCF); |
Kojto | 122:f9eeca106725 | 1742 | } |
Kojto | 122:f9eeca106725 | 1743 | |
Kojto | 122:f9eeca106725 | 1744 | /** |
Kojto | 122:f9eeca106725 | 1745 | * @brief Clear Arbitration lost flag. |
Kojto | 122:f9eeca106725 | 1746 | * @rmtoll ICR ARLOCF LL_I2C_ClearFlag_ARLO |
Kojto | 122:f9eeca106725 | 1747 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1748 | * @retval None |
Kojto | 122:f9eeca106725 | 1749 | */ |
Kojto | 122:f9eeca106725 | 1750 | __STATIC_INLINE void LL_I2C_ClearFlag_ARLO(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1751 | { |
Kojto | 122:f9eeca106725 | 1752 | SET_BIT(I2Cx->ICR, I2C_ICR_ARLOCF); |
Kojto | 122:f9eeca106725 | 1753 | } |
Kojto | 122:f9eeca106725 | 1754 | |
Kojto | 122:f9eeca106725 | 1755 | /** |
Kojto | 122:f9eeca106725 | 1756 | * @brief Clear Overrun/Underrun flag. |
Kojto | 122:f9eeca106725 | 1757 | * @rmtoll ICR OVRCF LL_I2C_ClearFlag_OVR |
Kojto | 122:f9eeca106725 | 1758 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1759 | * @retval None |
Kojto | 122:f9eeca106725 | 1760 | */ |
Kojto | 122:f9eeca106725 | 1761 | __STATIC_INLINE void LL_I2C_ClearFlag_OVR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1762 | { |
Kojto | 122:f9eeca106725 | 1763 | SET_BIT(I2Cx->ICR, I2C_ICR_OVRCF); |
Kojto | 122:f9eeca106725 | 1764 | } |
Kojto | 122:f9eeca106725 | 1765 | |
Kojto | 122:f9eeca106725 | 1766 | /** |
Kojto | 122:f9eeca106725 | 1767 | * @brief Indicate the status of SMBus PEC error flag in reception. |
Kojto | 122:f9eeca106725 | 1768 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1769 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1770 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1771 | * SET: When the received PEC does not match with the PEC register content. |
Kojto | 122:f9eeca106725 | 1772 | * @rmtoll ISR PECERR LL_I2C_IsActiveSMBusFlag_PECERR |
Kojto | 122:f9eeca106725 | 1773 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1774 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1775 | */ |
Kojto | 122:f9eeca106725 | 1776 | __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_PECERR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1777 | { |
Kojto | 122:f9eeca106725 | 1778 | return (READ_BIT(I2Cx->ISR, I2C_ISR_PECERR) == (I2C_ISR_PECERR)); |
Kojto | 122:f9eeca106725 | 1779 | } |
Kojto | 122:f9eeca106725 | 1780 | |
Kojto | 122:f9eeca106725 | 1781 | /** |
Kojto | 122:f9eeca106725 | 1782 | * @brief Indicate the status of SMBus Timeout detection flag. |
Kojto | 122:f9eeca106725 | 1783 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1784 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1785 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1786 | * SET: When a timeout or extended clock timeout occurs. |
Kojto | 122:f9eeca106725 | 1787 | * @rmtoll ISR TIMEOUT LL_I2C_IsActiveSMBusFlag_TIMEOUT |
Kojto | 122:f9eeca106725 | 1788 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1789 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1790 | */ |
Kojto | 122:f9eeca106725 | 1791 | __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1792 | { |
Kojto | 122:f9eeca106725 | 1793 | return (READ_BIT(I2Cx->ISR, I2C_ISR_TIMEOUT) == (I2C_ISR_TIMEOUT)); |
Kojto | 122:f9eeca106725 | 1794 | } |
Kojto | 122:f9eeca106725 | 1795 | |
Kojto | 122:f9eeca106725 | 1796 | /** |
Kojto | 122:f9eeca106725 | 1797 | * @brief Indicate the status of SMBus alert flag. |
Kojto | 122:f9eeca106725 | 1798 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1799 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1800 | * @note RESET: Clear default value. |
Kojto | 122:f9eeca106725 | 1801 | * SET: When SMBus host configuration, SMBus alert enabled and |
Kojto | 122:f9eeca106725 | 1802 | * a falling edge event occurs on SMBA pin. |
Kojto | 122:f9eeca106725 | 1803 | * @rmtoll ISR ALERT LL_I2C_IsActiveSMBusFlag_ALERT |
Kojto | 122:f9eeca106725 | 1804 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1805 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1806 | */ |
Kojto | 122:f9eeca106725 | 1807 | __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_ALERT(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1808 | { |
Kojto | 122:f9eeca106725 | 1809 | return (READ_BIT(I2Cx->ISR, I2C_ISR_ALERT) == (I2C_ISR_ALERT)); |
Kojto | 122:f9eeca106725 | 1810 | } |
Kojto | 122:f9eeca106725 | 1811 | |
Kojto | 122:f9eeca106725 | 1812 | /** |
Kojto | 122:f9eeca106725 | 1813 | * @brief Clear SMBus PEC error flag. |
Kojto | 122:f9eeca106725 | 1814 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1815 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1816 | * @rmtoll ICR PECCF LL_I2C_ClearSMBusFlag_PECERR |
Kojto | 122:f9eeca106725 | 1817 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1818 | * @retval None |
Kojto | 122:f9eeca106725 | 1819 | */ |
Kojto | 122:f9eeca106725 | 1820 | __STATIC_INLINE void LL_I2C_ClearSMBusFlag_PECERR(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1821 | { |
Kojto | 122:f9eeca106725 | 1822 | SET_BIT(I2Cx->ICR, I2C_ICR_PECCF); |
Kojto | 122:f9eeca106725 | 1823 | } |
Kojto | 122:f9eeca106725 | 1824 | |
Kojto | 122:f9eeca106725 | 1825 | /** |
Kojto | 122:f9eeca106725 | 1826 | * @brief Clear SMBus Timeout detection flag. |
Kojto | 122:f9eeca106725 | 1827 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1828 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1829 | * @rmtoll ICR TIMOUTCF LL_I2C_ClearSMBusFlag_TIMEOUT |
Kojto | 122:f9eeca106725 | 1830 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1831 | * @retval None |
Kojto | 122:f9eeca106725 | 1832 | */ |
Kojto | 122:f9eeca106725 | 1833 | __STATIC_INLINE void LL_I2C_ClearSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1834 | { |
Kojto | 122:f9eeca106725 | 1835 | SET_BIT(I2Cx->ICR, I2C_ICR_TIMOUTCF); |
Kojto | 122:f9eeca106725 | 1836 | } |
Kojto | 122:f9eeca106725 | 1837 | |
Kojto | 122:f9eeca106725 | 1838 | /** |
Kojto | 122:f9eeca106725 | 1839 | * @brief Clear SMBus Alert flag. |
Kojto | 122:f9eeca106725 | 1840 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 1841 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 1842 | * @rmtoll ICR ALERTCF LL_I2C_ClearSMBusFlag_ALERT |
Kojto | 122:f9eeca106725 | 1843 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1844 | * @retval None |
Kojto | 122:f9eeca106725 | 1845 | */ |
Kojto | 122:f9eeca106725 | 1846 | __STATIC_INLINE void LL_I2C_ClearSMBusFlag_ALERT(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1847 | { |
Kojto | 122:f9eeca106725 | 1848 | SET_BIT(I2Cx->ICR, I2C_ICR_ALERTCF); |
Kojto | 122:f9eeca106725 | 1849 | } |
Kojto | 122:f9eeca106725 | 1850 | |
Kojto | 122:f9eeca106725 | 1851 | /** |
Kojto | 122:f9eeca106725 | 1852 | * @} |
Kojto | 122:f9eeca106725 | 1853 | */ |
Kojto | 122:f9eeca106725 | 1854 | |
Kojto | 122:f9eeca106725 | 1855 | /** @defgroup I2C_LL_EF_Data_Management Data_Management |
Kojto | 122:f9eeca106725 | 1856 | * @{ |
Kojto | 122:f9eeca106725 | 1857 | */ |
Kojto | 122:f9eeca106725 | 1858 | |
Kojto | 122:f9eeca106725 | 1859 | /** |
Kojto | 122:f9eeca106725 | 1860 | * @brief Enable automatic STOP condition generation (master mode). |
Kojto | 122:f9eeca106725 | 1861 | * @note Automatic end mode : a STOP condition is automatically sent when NBYTES data are transferred. |
Kojto | 122:f9eeca106725 | 1862 | * This bit has no effect in slave mode or when RELOAD bit is set. |
Kojto | 122:f9eeca106725 | 1863 | * @rmtoll CR2 AUTOEND LL_I2C_EnableAutoEndMode |
Kojto | 122:f9eeca106725 | 1864 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1865 | * @retval None |
Kojto | 122:f9eeca106725 | 1866 | */ |
Kojto | 122:f9eeca106725 | 1867 | __STATIC_INLINE void LL_I2C_EnableAutoEndMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1868 | { |
Kojto | 122:f9eeca106725 | 1869 | SET_BIT(I2Cx->CR2, I2C_CR2_AUTOEND); |
Kojto | 122:f9eeca106725 | 1870 | } |
Kojto | 122:f9eeca106725 | 1871 | |
Kojto | 122:f9eeca106725 | 1872 | /** |
Kojto | 122:f9eeca106725 | 1873 | * @brief Disable automatic STOP condition generation (master mode). |
Kojto | 122:f9eeca106725 | 1874 | * @note Software end mode : TC flag is set when NBYTES data are transferre, stretching SCL low. |
Kojto | 122:f9eeca106725 | 1875 | * @rmtoll CR2 AUTOEND LL_I2C_DisableAutoEndMode |
Kojto | 122:f9eeca106725 | 1876 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1877 | * @retval None |
Kojto | 122:f9eeca106725 | 1878 | */ |
Kojto | 122:f9eeca106725 | 1879 | __STATIC_INLINE void LL_I2C_DisableAutoEndMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1880 | { |
Kojto | 122:f9eeca106725 | 1881 | CLEAR_BIT(I2Cx->CR2, I2C_CR2_AUTOEND); |
Kojto | 122:f9eeca106725 | 1882 | } |
Kojto | 122:f9eeca106725 | 1883 | |
Kojto | 122:f9eeca106725 | 1884 | /** |
Kojto | 122:f9eeca106725 | 1885 | * @brief Check if automatic STOP condition is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1886 | * @rmtoll CR2 AUTOEND LL_I2C_IsEnabledAutoEndMode |
Kojto | 122:f9eeca106725 | 1887 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1888 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1889 | */ |
Kojto | 122:f9eeca106725 | 1890 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoEndMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1891 | { |
Kojto | 122:f9eeca106725 | 1892 | return (READ_BIT(I2Cx->CR2, I2C_CR2_AUTOEND) == (I2C_CR2_AUTOEND)); |
Kojto | 122:f9eeca106725 | 1893 | } |
Kojto | 122:f9eeca106725 | 1894 | |
Kojto | 122:f9eeca106725 | 1895 | /** |
Kojto | 122:f9eeca106725 | 1896 | * @brief Enable reload mode (master mode). |
Kojto | 122:f9eeca106725 | 1897 | * @note The transfer is not completed after the NBYTES data transfer, NBYTES will be reloaded when TCR flag is set. |
Kojto | 122:f9eeca106725 | 1898 | * @rmtoll CR2 RELOAD LL_I2C_EnableReloadMode |
Kojto | 122:f9eeca106725 | 1899 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1900 | * @retval None |
Kojto | 122:f9eeca106725 | 1901 | */ |
Kojto | 122:f9eeca106725 | 1902 | __STATIC_INLINE void LL_I2C_EnableReloadMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1903 | { |
Kojto | 122:f9eeca106725 | 1904 | SET_BIT(I2Cx->CR2, I2C_CR2_RELOAD); |
Kojto | 122:f9eeca106725 | 1905 | } |
Kojto | 122:f9eeca106725 | 1906 | |
Kojto | 122:f9eeca106725 | 1907 | /** |
Kojto | 122:f9eeca106725 | 1908 | * @brief Disable reload mode (master mode). |
Kojto | 122:f9eeca106725 | 1909 | * @note The transfer is completed after the NBYTES data transfer(STOP or RESTART will follow). |
Kojto | 122:f9eeca106725 | 1910 | * @rmtoll CR2 RELOAD LL_I2C_DisableReloadMode |
Kojto | 122:f9eeca106725 | 1911 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1912 | * @retval None |
Kojto | 122:f9eeca106725 | 1913 | */ |
Kojto | 122:f9eeca106725 | 1914 | __STATIC_INLINE void LL_I2C_DisableReloadMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1915 | { |
Kojto | 122:f9eeca106725 | 1916 | CLEAR_BIT(I2Cx->CR2, I2C_CR2_RELOAD); |
Kojto | 122:f9eeca106725 | 1917 | } |
Kojto | 122:f9eeca106725 | 1918 | |
Kojto | 122:f9eeca106725 | 1919 | /** |
Kojto | 122:f9eeca106725 | 1920 | * @brief Check if reload mode is enabled or disabled. |
Kojto | 122:f9eeca106725 | 1921 | * @rmtoll CR2 RELOAD LL_I2C_IsEnabledReloadMode |
Kojto | 122:f9eeca106725 | 1922 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1923 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 1924 | */ |
Kojto | 122:f9eeca106725 | 1925 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledReloadMode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1926 | { |
Kojto | 122:f9eeca106725 | 1927 | return (READ_BIT(I2Cx->CR2, I2C_CR2_RELOAD) == (I2C_CR2_RELOAD)); |
Kojto | 122:f9eeca106725 | 1928 | } |
Kojto | 122:f9eeca106725 | 1929 | |
Kojto | 122:f9eeca106725 | 1930 | /** |
Kojto | 122:f9eeca106725 | 1931 | * @brief Configure the number of bytes for transfer. |
Kojto | 122:f9eeca106725 | 1932 | * @note Changing these bits when START bit is set is not allowed. |
Kojto | 122:f9eeca106725 | 1933 | * @rmtoll CR2 NBYTES LL_I2C_SetTransferSize |
Kojto | 122:f9eeca106725 | 1934 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1935 | * @param TransferSize This parameter must be a value between Min_Data=0x00 and Max_Data=0xFF. |
Kojto | 122:f9eeca106725 | 1936 | * @retval None |
Kojto | 122:f9eeca106725 | 1937 | */ |
Kojto | 122:f9eeca106725 | 1938 | __STATIC_INLINE void LL_I2C_SetTransferSize(I2C_TypeDef *I2Cx, uint32_t TransferSize) |
Kojto | 122:f9eeca106725 | 1939 | { |
Kojto | 122:f9eeca106725 | 1940 | MODIFY_REG(I2Cx->CR2, I2C_CR2_NBYTES, TransferSize << I2C_POSITION_CR2_NBYTES); |
Kojto | 122:f9eeca106725 | 1941 | } |
Kojto | 122:f9eeca106725 | 1942 | |
Kojto | 122:f9eeca106725 | 1943 | /** |
Kojto | 122:f9eeca106725 | 1944 | * @brief Get the number of bytes configured for transfer. |
Kojto | 122:f9eeca106725 | 1945 | * @rmtoll CR2 NBYTES LL_I2C_GetTransferSize |
Kojto | 122:f9eeca106725 | 1946 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1947 | * @retval Value between Min_Data=0x0 and Max_Data=0xFF |
Kojto | 122:f9eeca106725 | 1948 | */ |
Kojto | 122:f9eeca106725 | 1949 | __STATIC_INLINE uint32_t LL_I2C_GetTransferSize(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1950 | { |
Kojto | 122:f9eeca106725 | 1951 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_NBYTES) >> I2C_POSITION_CR2_NBYTES); |
Kojto | 122:f9eeca106725 | 1952 | } |
Kojto | 122:f9eeca106725 | 1953 | |
Kojto | 122:f9eeca106725 | 1954 | /** |
Kojto | 122:f9eeca106725 | 1955 | * @brief Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte. |
Kojto | 122:f9eeca106725 | 1956 | * @note Usage in Slave mode only. |
Kojto | 122:f9eeca106725 | 1957 | * @rmtoll CR2 NACK LL_I2C_AcknowledgeNextData |
Kojto | 122:f9eeca106725 | 1958 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1959 | * @param TypeAcknowledge This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 1960 | * @arg @ref LL_I2C_ACK |
Kojto | 122:f9eeca106725 | 1961 | * @arg @ref LL_I2C_NACK |
Kojto | 122:f9eeca106725 | 1962 | * @retval None |
Kojto | 122:f9eeca106725 | 1963 | */ |
Kojto | 122:f9eeca106725 | 1964 | __STATIC_INLINE void LL_I2C_AcknowledgeNextData(I2C_TypeDef *I2Cx, uint32_t TypeAcknowledge) |
Kojto | 122:f9eeca106725 | 1965 | { |
Kojto | 122:f9eeca106725 | 1966 | MODIFY_REG(I2Cx->CR2, I2C_CR2_NACK, TypeAcknowledge); |
Kojto | 122:f9eeca106725 | 1967 | } |
Kojto | 122:f9eeca106725 | 1968 | |
Kojto | 122:f9eeca106725 | 1969 | /** |
Kojto | 122:f9eeca106725 | 1970 | * @brief Generate a STOP condition after the current byte transfer (master mode). |
Kojto | 122:f9eeca106725 | 1971 | * @rmtoll CR2 STOP LL_I2C_GenerateStopCondition |
Kojto | 122:f9eeca106725 | 1972 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1973 | * @retval None |
Kojto | 122:f9eeca106725 | 1974 | */ |
Kojto | 122:f9eeca106725 | 1975 | __STATIC_INLINE void LL_I2C_GenerateStopCondition(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1976 | { |
Kojto | 122:f9eeca106725 | 1977 | SET_BIT(I2Cx->CR2, I2C_CR2_STOP); |
Kojto | 122:f9eeca106725 | 1978 | } |
Kojto | 122:f9eeca106725 | 1979 | |
Kojto | 122:f9eeca106725 | 1980 | /** |
Kojto | 122:f9eeca106725 | 1981 | * @brief Generate a START or RESTART condition |
Kojto | 122:f9eeca106725 | 1982 | * @note The START bit can be set even if bus is BUSY or I2C is in slave mode. |
Kojto | 122:f9eeca106725 | 1983 | * This action has no effect when RELOAD is set. |
Kojto | 122:f9eeca106725 | 1984 | * @rmtoll CR2 START LL_I2C_GenerateStartCondition |
Kojto | 122:f9eeca106725 | 1985 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1986 | * @retval None |
Kojto | 122:f9eeca106725 | 1987 | */ |
Kojto | 122:f9eeca106725 | 1988 | __STATIC_INLINE void LL_I2C_GenerateStartCondition(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 1989 | { |
Kojto | 122:f9eeca106725 | 1990 | SET_BIT(I2Cx->CR2, I2C_CR2_START); |
Kojto | 122:f9eeca106725 | 1991 | } |
Kojto | 122:f9eeca106725 | 1992 | |
Kojto | 122:f9eeca106725 | 1993 | /** |
Kojto | 122:f9eeca106725 | 1994 | * @brief Enable automatic RESTART Read request condition for 10bit address header (master mode). |
Kojto | 122:f9eeca106725 | 1995 | * @note The master sends the complete 10bit slave address read sequence : |
Kojto | 122:f9eeca106725 | 1996 | * Start + 2 bytes 10bit address in Write direction + Restart + first 7 bits of 10bit address in Read direction. |
Kojto | 122:f9eeca106725 | 1997 | * @rmtoll CR2 HEAD10R LL_I2C_EnableAuto10BitRead |
Kojto | 122:f9eeca106725 | 1998 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 1999 | * @retval None |
Kojto | 122:f9eeca106725 | 2000 | */ |
Kojto | 122:f9eeca106725 | 2001 | __STATIC_INLINE void LL_I2C_EnableAuto10BitRead(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2002 | { |
Kojto | 122:f9eeca106725 | 2003 | CLEAR_BIT(I2Cx->CR2, I2C_CR2_HEAD10R); |
Kojto | 122:f9eeca106725 | 2004 | } |
Kojto | 122:f9eeca106725 | 2005 | |
Kojto | 122:f9eeca106725 | 2006 | /** |
Kojto | 122:f9eeca106725 | 2007 | * @brief Disable automatic RESTART Read request condition for 10bit address header (master mode). |
Kojto | 122:f9eeca106725 | 2008 | * @note The master only sends the first 7 bits of 10bit address in Read direction. |
Kojto | 122:f9eeca106725 | 2009 | * @rmtoll CR2 HEAD10R LL_I2C_DisableAuto10BitRead |
Kojto | 122:f9eeca106725 | 2010 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2011 | * @retval None |
Kojto | 122:f9eeca106725 | 2012 | */ |
Kojto | 122:f9eeca106725 | 2013 | __STATIC_INLINE void LL_I2C_DisableAuto10BitRead(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2014 | { |
Kojto | 122:f9eeca106725 | 2015 | SET_BIT(I2Cx->CR2, I2C_CR2_HEAD10R); |
Kojto | 122:f9eeca106725 | 2016 | } |
Kojto | 122:f9eeca106725 | 2017 | |
Kojto | 122:f9eeca106725 | 2018 | /** |
Kojto | 122:f9eeca106725 | 2019 | * @brief Check if automatic RESTART Read request condition for 10bit address header is enabled or disabled. |
Kojto | 122:f9eeca106725 | 2020 | * @rmtoll CR2 HEAD10R LL_I2C_IsEnabledAuto10BitRead |
Kojto | 122:f9eeca106725 | 2021 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2022 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 2023 | */ |
Kojto | 122:f9eeca106725 | 2024 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledAuto10BitRead(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2025 | { |
Kojto | 122:f9eeca106725 | 2026 | return (READ_BIT(I2Cx->CR2, I2C_CR2_HEAD10R) != (I2C_CR2_HEAD10R)); |
Kojto | 122:f9eeca106725 | 2027 | } |
Kojto | 122:f9eeca106725 | 2028 | |
Kojto | 122:f9eeca106725 | 2029 | /** |
Kojto | 122:f9eeca106725 | 2030 | * @brief Configure the transfer direction (master mode). |
Kojto | 122:f9eeca106725 | 2031 | * @note Changing these bits when START bit is set is not allowed. |
Kojto | 122:f9eeca106725 | 2032 | * @rmtoll CR2 RD_WRN LL_I2C_SetTransferRequest |
Kojto | 122:f9eeca106725 | 2033 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2034 | * @param TransferRequest This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 2035 | * @arg @ref LL_I2C_REQUEST_WRITE |
Kojto | 122:f9eeca106725 | 2036 | * @arg @ref LL_I2C_REQUEST_READ |
Kojto | 122:f9eeca106725 | 2037 | * @retval None |
Kojto | 122:f9eeca106725 | 2038 | */ |
Kojto | 122:f9eeca106725 | 2039 | __STATIC_INLINE void LL_I2C_SetTransferRequest(I2C_TypeDef *I2Cx, uint32_t TransferRequest) |
Kojto | 122:f9eeca106725 | 2040 | { |
Kojto | 122:f9eeca106725 | 2041 | MODIFY_REG(I2Cx->CR2, I2C_CR2_RD_WRN, TransferRequest); |
Kojto | 122:f9eeca106725 | 2042 | } |
Kojto | 122:f9eeca106725 | 2043 | |
Kojto | 122:f9eeca106725 | 2044 | /** |
Kojto | 122:f9eeca106725 | 2045 | * @brief Get the transfer direction requested (master mode). |
Kojto | 122:f9eeca106725 | 2046 | * @rmtoll CR2 RD_WRN LL_I2C_GetTransferRequest |
Kojto | 122:f9eeca106725 | 2047 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2048 | * @retval Returned value can be one of the following values: |
Kojto | 122:f9eeca106725 | 2049 | * @arg @ref LL_I2C_REQUEST_WRITE |
Kojto | 122:f9eeca106725 | 2050 | * @arg @ref LL_I2C_REQUEST_READ |
Kojto | 122:f9eeca106725 | 2051 | */ |
Kojto | 122:f9eeca106725 | 2052 | __STATIC_INLINE uint32_t LL_I2C_GetTransferRequest(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2053 | { |
Kojto | 122:f9eeca106725 | 2054 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_RD_WRN)); |
Kojto | 122:f9eeca106725 | 2055 | } |
Kojto | 122:f9eeca106725 | 2056 | |
Kojto | 122:f9eeca106725 | 2057 | /** |
Kojto | 122:f9eeca106725 | 2058 | * @brief Configure the slave address for transfer (master mode). |
Kojto | 122:f9eeca106725 | 2059 | * @note Changing these bits when START bit is set is not allowed. |
Kojto | 122:f9eeca106725 | 2060 | * @rmtoll CR2 SADD LL_I2C_SetSlaveAddr |
Kojto | 122:f9eeca106725 | 2061 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2062 | * @param SlaveAddr This parameter must be a value between Min_Data=0x00 and Max_Data=0x3F. |
Kojto | 122:f9eeca106725 | 2063 | * @retval None |
Kojto | 122:f9eeca106725 | 2064 | */ |
Kojto | 122:f9eeca106725 | 2065 | __STATIC_INLINE void LL_I2C_SetSlaveAddr(I2C_TypeDef *I2Cx, uint32_t SlaveAddr) |
Kojto | 122:f9eeca106725 | 2066 | { |
Kojto | 122:f9eeca106725 | 2067 | MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD, SlaveAddr); |
Kojto | 122:f9eeca106725 | 2068 | } |
Kojto | 122:f9eeca106725 | 2069 | |
Kojto | 122:f9eeca106725 | 2070 | /** |
Kojto | 122:f9eeca106725 | 2071 | * @brief Get the slave address programmed for transfer. |
Kojto | 122:f9eeca106725 | 2072 | * @rmtoll CR2 SADD LL_I2C_GetSlaveAddr |
Kojto | 122:f9eeca106725 | 2073 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2074 | * @retval Value between Min_Data=0x0 and Max_Data=0x3F |
Kojto | 122:f9eeca106725 | 2075 | */ |
Kojto | 122:f9eeca106725 | 2076 | __STATIC_INLINE uint32_t LL_I2C_GetSlaveAddr(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2077 | { |
Kojto | 122:f9eeca106725 | 2078 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_SADD)); |
Kojto | 122:f9eeca106725 | 2079 | } |
Kojto | 122:f9eeca106725 | 2080 | |
Kojto | 122:f9eeca106725 | 2081 | /** |
Kojto | 122:f9eeca106725 | 2082 | * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set). |
Kojto | 122:f9eeca106725 | 2083 | * @rmtoll CR2 SADD LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2084 | * CR2 ADD10 LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2085 | * CR2 RD_WRN LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2086 | * CR2 START LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2087 | * CR2 STOP LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2088 | * CR2 RELOAD LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2089 | * CR2 NBYTES LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2090 | * CR2 AUTOEND LL_I2C_HandleTransfer\n |
Kojto | 122:f9eeca106725 | 2091 | * CR2 HEAD10R LL_I2C_HandleTransfer |
Kojto | 122:f9eeca106725 | 2092 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2093 | * @param SlaveAddr Specifies the slave address to be programmed. |
Kojto | 122:f9eeca106725 | 2094 | * @param SlaveAddrSize This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 2095 | * @arg @ref LL_I2C_ADDRSLAVE_7BIT |
Kojto | 122:f9eeca106725 | 2096 | * @arg @ref LL_I2C_ADDRSLAVE_10BIT |
Kojto | 122:f9eeca106725 | 2097 | * @param TransferSize Specifies the number of bytes to be programmed. |
Kojto | 122:f9eeca106725 | 2098 | * This parameter must be a value between 0 and 255. |
Kojto | 122:f9eeca106725 | 2099 | * @param EndMode This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 2100 | * @arg @ref LL_I2C_MODE_RELOAD |
Kojto | 122:f9eeca106725 | 2101 | * @arg @ref LL_I2C_MODE_AUTOEND |
Kojto | 122:f9eeca106725 | 2102 | * @arg @ref LL_I2C_MODE_SOFTEND |
Kojto | 122:f9eeca106725 | 2103 | * @arg @ref LL_I2C_MODE_SMBUS_RELOAD |
Kojto | 122:f9eeca106725 | 2104 | * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC |
Kojto | 122:f9eeca106725 | 2105 | * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC |
Kojto | 122:f9eeca106725 | 2106 | * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC |
Kojto | 122:f9eeca106725 | 2107 | * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC |
Kojto | 122:f9eeca106725 | 2108 | * @param Request This parameter can be one of the following values: |
Kojto | 122:f9eeca106725 | 2109 | * @arg @ref LL_I2C_GENERATE_NOSTARTSTOP |
Kojto | 122:f9eeca106725 | 2110 | * @arg @ref LL_I2C_GENERATE_STOP |
Kojto | 122:f9eeca106725 | 2111 | * @arg @ref LL_I2C_GENERATE_START_READ |
Kojto | 122:f9eeca106725 | 2112 | * @arg @ref LL_I2C_GENERATE_START_WRITE |
Kojto | 122:f9eeca106725 | 2113 | * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_READ |
Kojto | 122:f9eeca106725 | 2114 | * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_WRITE |
Kojto | 122:f9eeca106725 | 2115 | * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_READ |
Kojto | 122:f9eeca106725 | 2116 | * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_WRITE |
Kojto | 122:f9eeca106725 | 2117 | * @retval None |
Kojto | 122:f9eeca106725 | 2118 | */ |
Kojto | 122:f9eeca106725 | 2119 | __STATIC_INLINE void LL_I2C_HandleTransfer(I2C_TypeDef *I2Cx, uint32_t SlaveAddr, uint32_t SlaveAddrSize, |
Kojto | 122:f9eeca106725 | 2120 | uint32_t TransferSize, uint32_t EndMode, uint32_t Request) |
Kojto | 122:f9eeca106725 | 2121 | { |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 2123 | I2C_CR2_NBYTES | I2C_CR2_AUTOEND | I2C_CR2_HEAD10R, |
Kojto | 122:f9eeca106725 | 2124 | SlaveAddr | SlaveAddrSize | TransferSize << I2C_POSITION_CR2_NBYTES | EndMode | Request); |
Kojto | 122:f9eeca106725 | 2125 | } |
Kojto | 122:f9eeca106725 | 2126 | |
Kojto | 122:f9eeca106725 | 2127 | /** |
Kojto | 122:f9eeca106725 | 2128 | * @brief Indicate the value of transfer direction (slave mode). |
Kojto | 122:f9eeca106725 | 2129 | * @note RESET: Write transfer, Slave enters in receiver mode. |
Kojto | 122:f9eeca106725 | 2130 | * SET: Read transfer, Slave enters in transmitter mode. |
Kojto | 122:f9eeca106725 | 2131 | * @rmtoll ISR DIR LL_I2C_GetTransferDirection |
Kojto | 122:f9eeca106725 | 2132 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2133 | * @retval Returned value can be one of the following values: |
Kojto | 122:f9eeca106725 | 2134 | * @arg @ref LL_I2C_DIRECTION_WRITE |
Kojto | 122:f9eeca106725 | 2135 | * @arg @ref LL_I2C_DIRECTION_READ |
Kojto | 122:f9eeca106725 | 2136 | */ |
Kojto | 122:f9eeca106725 | 2137 | __STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2138 | { |
Kojto | 122:f9eeca106725 | 2139 | return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_DIR)); |
Kojto | 122:f9eeca106725 | 2140 | } |
Kojto | 122:f9eeca106725 | 2141 | |
Kojto | 122:f9eeca106725 | 2142 | /** |
Kojto | 122:f9eeca106725 | 2143 | * @brief Return the slave matched address. |
Kojto | 122:f9eeca106725 | 2144 | * @rmtoll ISR ADDCODE LL_I2C_GetAddressMatchCode |
Kojto | 122:f9eeca106725 | 2145 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2146 | * @retval Value between Min_Data=0x00 and Max_Data=0x3F |
Kojto | 122:f9eeca106725 | 2147 | */ |
Kojto | 122:f9eeca106725 | 2148 | __STATIC_INLINE uint32_t LL_I2C_GetAddressMatchCode(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2149 | { |
Kojto | 122:f9eeca106725 | 2150 | return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_ADDCODE) >> I2C_POSITION_ISR_ADDCODE << 1); |
Kojto | 122:f9eeca106725 | 2151 | } |
Kojto | 122:f9eeca106725 | 2152 | |
Kojto | 122:f9eeca106725 | 2153 | /** |
Kojto | 122:f9eeca106725 | 2154 | * @brief Enable internal comparison of Packet Error byte (transmission or reception mode). |
Kojto | 122:f9eeca106725 | 2155 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 2156 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 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 | 122:f9eeca106725 | 2158 | * This bit has no effect when RELOAD bit is set. |
Kojto | 122:f9eeca106725 | 2159 | * This bit has no effect in device mode when SBC bit is not set. |
Kojto | 122:f9eeca106725 | 2160 | * @rmtoll CR2 PECBYTE LL_I2C_EnableSMBusPECCompare |
Kojto | 122:f9eeca106725 | 2161 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2162 | * @retval None |
Kojto | 122:f9eeca106725 | 2163 | */ |
Kojto | 122:f9eeca106725 | 2164 | __STATIC_INLINE void LL_I2C_EnableSMBusPECCompare(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2165 | { |
Kojto | 122:f9eeca106725 | 2166 | SET_BIT(I2Cx->CR2, I2C_CR2_PECBYTE); |
Kojto | 122:f9eeca106725 | 2167 | } |
Kojto | 122:f9eeca106725 | 2168 | |
Kojto | 122:f9eeca106725 | 2169 | /** |
Kojto | 122:f9eeca106725 | 2170 | * @brief Check if Packet Error byte internal comparison is requested or not. |
Kojto | 122:f9eeca106725 | 2171 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 2172 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 2173 | * @rmtoll CR2 PECBYTE LL_I2C_IsEnabledSMBusPECCompare |
Kojto | 122:f9eeca106725 | 2174 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2175 | * @retval State of bit (1 or 0). |
Kojto | 122:f9eeca106725 | 2176 | */ |
Kojto | 122:f9eeca106725 | 2177 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPECCompare(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2178 | { |
Kojto | 122:f9eeca106725 | 2179 | return (READ_BIT(I2Cx->CR2, I2C_CR2_PECBYTE) == (I2C_CR2_PECBYTE)); |
Kojto | 122:f9eeca106725 | 2180 | } |
Kojto | 122:f9eeca106725 | 2181 | |
Kojto | 122:f9eeca106725 | 2182 | /** |
Kojto | 122:f9eeca106725 | 2183 | * @brief Get the Packet Error byte calculated. |
Kojto | 122:f9eeca106725 | 2184 | * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
Kojto | 122:f9eeca106725 | 2185 | * SMBus feature is supported by the I2Cx Instance. |
Kojto | 122:f9eeca106725 | 2186 | * @rmtoll PECR PEC LL_I2C_GetSMBusPEC |
Kojto | 122:f9eeca106725 | 2187 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2188 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
Kojto | 122:f9eeca106725 | 2189 | */ |
Kojto | 122:f9eeca106725 | 2190 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2191 | { |
Kojto | 122:f9eeca106725 | 2192 | return (uint32_t)(READ_BIT(I2Cx->PECR, I2C_PECR_PEC)); |
Kojto | 122:f9eeca106725 | 2193 | } |
Kojto | 122:f9eeca106725 | 2194 | |
Kojto | 122:f9eeca106725 | 2195 | /** |
Kojto | 122:f9eeca106725 | 2196 | * @brief Read Receive Data register. |
Kojto | 122:f9eeca106725 | 2197 | * @rmtoll RXDR RXDATA LL_I2C_ReceiveData8 |
Kojto | 122:f9eeca106725 | 2198 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2199 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
Kojto | 122:f9eeca106725 | 2200 | */ |
Kojto | 122:f9eeca106725 | 2201 | __STATIC_INLINE uint8_t LL_I2C_ReceiveData8(I2C_TypeDef *I2Cx) |
Kojto | 122:f9eeca106725 | 2202 | { |
Kojto | 122:f9eeca106725 | 2203 | return (uint8_t)(READ_BIT(I2Cx->RXDR, I2C_RXDR_RXDATA)); |
Kojto | 122:f9eeca106725 | 2204 | } |
Kojto | 122:f9eeca106725 | 2205 | |
Kojto | 122:f9eeca106725 | 2206 | /** |
Kojto | 122:f9eeca106725 | 2207 | * @brief Write in Transmit Data Register . |
Kojto | 122:f9eeca106725 | 2208 | * @rmtoll TXDR TXDATA LL_I2C_TransmitData8 |
Kojto | 122:f9eeca106725 | 2209 | * @param I2Cx I2C Instance. |
Kojto | 122:f9eeca106725 | 2210 | * @param Data Value between Min_Data=0x00 and Max_Data=0xFF |
Kojto | 122:f9eeca106725 | 2211 | * @retval None |
Kojto | 122:f9eeca106725 | 2212 | */ |
Kojto | 122:f9eeca106725 | 2213 | __STATIC_INLINE void LL_I2C_TransmitData8(I2C_TypeDef *I2Cx, uint8_t Data) |
Kojto | 122:f9eeca106725 | 2214 | { |
Kojto | 122:f9eeca106725 | 2215 | WRITE_REG(I2Cx->TXDR, Data); |
Kojto | 122:f9eeca106725 | 2216 | } |
Kojto | 122:f9eeca106725 | 2217 | |
Kojto | 122:f9eeca106725 | 2218 | /** |
Kojto | 122:f9eeca106725 | 2219 | * @} |
Kojto | 122:f9eeca106725 | 2220 | */ |
Kojto | 122:f9eeca106725 | 2221 | |
Kojto | 122:f9eeca106725 | 2222 | #if defined(USE_FULL_LL_DRIVER) |
Kojto | 122:f9eeca106725 | 2223 | /** @defgroup I2C_LL_EF_Init Initialization and de-initialization functions |
Kojto | 122:f9eeca106725 | 2224 | * @{ |
Kojto | 122:f9eeca106725 | 2225 | */ |
Kojto | 122:f9eeca106725 | 2226 | |
Kojto | 122:f9eeca106725 | 2227 | uint32_t LL_I2C_Init(I2C_TypeDef *I2Cx, LL_I2C_InitTypeDef *I2C_InitStruct); |
Kojto | 122:f9eeca106725 | 2228 | uint32_t LL_I2C_DeInit(I2C_TypeDef *I2Cx); |
Kojto | 122:f9eeca106725 | 2229 | void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct); |
Kojto | 122:f9eeca106725 | 2230 | |
Kojto | 122:f9eeca106725 | 2231 | |
Kojto | 122:f9eeca106725 | 2232 | /** |
Kojto | 122:f9eeca106725 | 2233 | * @} |
Kojto | 122:f9eeca106725 | 2234 | */ |
Kojto | 122:f9eeca106725 | 2235 | #endif /* USE_FULL_LL_DRIVER */ |
Kojto | 122:f9eeca106725 | 2236 | |
Kojto | 122:f9eeca106725 | 2237 | /** |
Kojto | 122:f9eeca106725 | 2238 | * @} |
Kojto | 122:f9eeca106725 | 2239 | */ |
Kojto | 122:f9eeca106725 | 2240 | |
Kojto | 122:f9eeca106725 | 2241 | /** |
Kojto | 122:f9eeca106725 | 2242 | * @} |
Kojto | 122:f9eeca106725 | 2243 | */ |
Kojto | 122:f9eeca106725 | 2244 | |
Kojto | 122:f9eeca106725 | 2245 | #endif /* I2C1 || I2C2 || I2C3 */ |
Kojto | 122:f9eeca106725 | 2246 | |
Kojto | 122:f9eeca106725 | 2247 | /** |
Kojto | 122:f9eeca106725 | 2248 | * @} |
Kojto | 122:f9eeca106725 | 2249 | */ |
Kojto | 122:f9eeca106725 | 2250 | |
Kojto | 122:f9eeca106725 | 2251 | #ifdef __cplusplus |
Kojto | 122:f9eeca106725 | 2252 | } |
Kojto | 122:f9eeca106725 | 2253 | #endif |
Kojto | 122:f9eeca106725 | 2254 | |
Kojto | 122:f9eeca106725 | 2255 | #endif /* __STM32L4xx_LL_I2C_H */ |
Kojto | 122:f9eeca106725 | 2256 | |
Kojto | 122:f9eeca106725 | 2257 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |