Hal Drivers for L4

Dependents:   BSP OneHopeOnePrayer FINAL_AUDIO_RECORD AudioDemo

Fork of STM32L4xx_HAL_Driver by Senior Design: Sound Monitor

Committer:
EricLew
Date:
Mon Nov 02 19:37:23 2015 +0000
Revision:
0:80ee8f3b695e
Errors are with definitions of LCD and QSPI functions. I believe all .h and .c files are  uploaded, but there may need to be certain functions called.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
EricLew 0:80ee8f3b695e 1 /**
EricLew 0:80ee8f3b695e 2 ******************************************************************************
EricLew 0:80ee8f3b695e 3 * @file stm32l4xx_ll_i2c.h
EricLew 0:80ee8f3b695e 4 * @author MCD Application Team
EricLew 0:80ee8f3b695e 5 * @version V1.1.0
EricLew 0:80ee8f3b695e 6 * @date 16-September-2015
EricLew 0:80ee8f3b695e 7 * @brief Header file of I2C LL module.
EricLew 0:80ee8f3b695e 8 ******************************************************************************
EricLew 0:80ee8f3b695e 9 * @attention
EricLew 0:80ee8f3b695e 10 *
EricLew 0:80ee8f3b695e 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
EricLew 0:80ee8f3b695e 12 *
EricLew 0:80ee8f3b695e 13 * Redistribution and use in source and binary forms, with or without modification,
EricLew 0:80ee8f3b695e 14 * are permitted provided that the following conditions are met:
EricLew 0:80ee8f3b695e 15 * 1. Redistributions of source code must retain the above copyright notice,
EricLew 0:80ee8f3b695e 16 * this list of conditions and the following disclaimer.
EricLew 0:80ee8f3b695e 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
EricLew 0:80ee8f3b695e 18 * this list of conditions and the following disclaimer in the documentation
EricLew 0:80ee8f3b695e 19 * and/or other materials provided with the distribution.
EricLew 0:80ee8f3b695e 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
EricLew 0:80ee8f3b695e 21 * may be used to endorse or promote products derived from this software
EricLew 0:80ee8f3b695e 22 * without specific prior written permission.
EricLew 0:80ee8f3b695e 23 *
EricLew 0:80ee8f3b695e 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
EricLew 0:80ee8f3b695e 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
EricLew 0:80ee8f3b695e 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
EricLew 0:80ee8f3b695e 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
EricLew 0:80ee8f3b695e 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
EricLew 0:80ee8f3b695e 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
EricLew 0:80ee8f3b695e 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
EricLew 0:80ee8f3b695e 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
EricLew 0:80ee8f3b695e 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
EricLew 0:80ee8f3b695e 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
EricLew 0:80ee8f3b695e 34 *
EricLew 0:80ee8f3b695e 35 ******************************************************************************
EricLew 0:80ee8f3b695e 36 */
EricLew 0:80ee8f3b695e 37
EricLew 0:80ee8f3b695e 38 /* Define to prevent recursive inclusion -------------------------------------*/
EricLew 0:80ee8f3b695e 39 #ifndef __STM32L4xx_LL_I2C_H
EricLew 0:80ee8f3b695e 40 #define __STM32L4xx_LL_I2C_H
EricLew 0:80ee8f3b695e 41
EricLew 0:80ee8f3b695e 42 #ifdef __cplusplus
EricLew 0:80ee8f3b695e 43 extern "C" {
EricLew 0:80ee8f3b695e 44 #endif
EricLew 0:80ee8f3b695e 45
EricLew 0:80ee8f3b695e 46 /* Includes ------------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 47 #include "stm32l4xx.h"
EricLew 0:80ee8f3b695e 48
EricLew 0:80ee8f3b695e 49 /** @addtogroup STM32L4xx_LL_Driver
EricLew 0:80ee8f3b695e 50 * @{
EricLew 0:80ee8f3b695e 51 */
EricLew 0:80ee8f3b695e 52
EricLew 0:80ee8f3b695e 53 #if defined (I2C1) || defined (I2C2) || defined (I2C3)
EricLew 0:80ee8f3b695e 54
EricLew 0:80ee8f3b695e 55 /** @defgroup I2C_LL I2C
EricLew 0:80ee8f3b695e 56 * @{
EricLew 0:80ee8f3b695e 57 */
EricLew 0:80ee8f3b695e 58
EricLew 0:80ee8f3b695e 59 /* Private types -------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 60 /* Private variables ---------------------------------------------------------*/
EricLew 0:80ee8f3b695e 61
EricLew 0:80ee8f3b695e 62 /* Private constants ---------------------------------------------------------*/
EricLew 0:80ee8f3b695e 63
EricLew 0:80ee8f3b695e 64 /* Private macros ------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 65
EricLew 0:80ee8f3b695e 66 /* Exported types ------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 67 /* Exported constants --------------------------------------------------------*/
EricLew 0:80ee8f3b695e 68 /** @defgroup I2C_LL_Exported_Constants I2C Exported Constants
EricLew 0:80ee8f3b695e 69 * @{
EricLew 0:80ee8f3b695e 70 */
EricLew 0:80ee8f3b695e 71
EricLew 0:80ee8f3b695e 72 /** @defgroup I2C_LL_EC_CLEAR_FLAG Clear Flags Defines
EricLew 0:80ee8f3b695e 73 * @brief Flags defines which can be used with LL_I2C_WriteReg function
EricLew 0:80ee8f3b695e 74 * @{
EricLew 0:80ee8f3b695e 75 */
EricLew 0:80ee8f3b695e 76 #define LL_I2C_ICR_ADDRCF I2C_ICR_ADDRCF
EricLew 0:80ee8f3b695e 77 #define LL_I2C_ICR_NACKCF I2C_ICR_NACKCF
EricLew 0:80ee8f3b695e 78 #define LL_I2C_ICR_STOPCF I2C_ICR_STOPCF
EricLew 0:80ee8f3b695e 79 #define LL_I2C_ICR_BERRCF I2C_ICR_BERRCF
EricLew 0:80ee8f3b695e 80 #define LL_I2C_ICR_ARLOCF I2C_ICR_ARLOCF
EricLew 0:80ee8f3b695e 81 #define LL_I2C_ICR_OVRCF I2C_ICR_OVRCF
EricLew 0:80ee8f3b695e 82 /**
EricLew 0:80ee8f3b695e 83 * @}
EricLew 0:80ee8f3b695e 84 */
EricLew 0:80ee8f3b695e 85
EricLew 0:80ee8f3b695e 86 /** @defgroup I2C_LL_EC_GET_FLAG Get Flags Defines
EricLew 0:80ee8f3b695e 87 * @brief Flags defines which can be used with LL_I2C_ReadReg function
EricLew 0:80ee8f3b695e 88 * @{
EricLew 0:80ee8f3b695e 89 */
EricLew 0:80ee8f3b695e 90 #define LL_I2C_ISR_TXE I2C_ISR_TXE
EricLew 0:80ee8f3b695e 91 #define LL_I2C_ISR_TXIS I2C_ISR_TXIS
EricLew 0:80ee8f3b695e 92 #define LL_I2C_ISR_RXNE I2C_ISR_RXNE
EricLew 0:80ee8f3b695e 93 #define LL_I2C_ISR_ADDR I2C_ISR_ADDR
EricLew 0:80ee8f3b695e 94 #define LL_I2C_ISR_NACKF I2C_ISR_NACKF
EricLew 0:80ee8f3b695e 95 #define LL_I2C_ISR_STOPF I2C_ISR_STOPF
EricLew 0:80ee8f3b695e 96 #define LL_I2C_ISR_TC I2C_ISR_TC
EricLew 0:80ee8f3b695e 97 #define LL_I2C_ISR_TCR I2C_ISR_TCR
EricLew 0:80ee8f3b695e 98 #define LL_I2C_ISR_BERR I2C_ISR_BERR
EricLew 0:80ee8f3b695e 99 #define LL_I2C_ISR_ARLO I2C_ISR_ARLO
EricLew 0:80ee8f3b695e 100 #define LL_I2C_ISR_OVR I2C_ISR_OVR
EricLew 0:80ee8f3b695e 101 #define LL_I2C_ISR_BUSY I2C_ISR_BUSY
EricLew 0:80ee8f3b695e 102 /**
EricLew 0:80ee8f3b695e 103 * @}
EricLew 0:80ee8f3b695e 104 */
EricLew 0:80ee8f3b695e 105
EricLew 0:80ee8f3b695e 106 /** @defgroup I2C_LL_EC_IT IT Defines
EricLew 0:80ee8f3b695e 107 * @brief IT defines which can be used with LL_I2C_ReadReg and LL_I2C_WriteReg functions
EricLew 0:80ee8f3b695e 108 * @{
EricLew 0:80ee8f3b695e 109 */
EricLew 0:80ee8f3b695e 110 #define LL_I2C_CR1_TXIE I2C_CR1_TXIE
EricLew 0:80ee8f3b695e 111 #define LL_I2C_CR1_RXIE I2C_CR1_RXIE
EricLew 0:80ee8f3b695e 112 #define LL_I2C_CR1_ADDRIE I2C_CR1_ADDRIE
EricLew 0:80ee8f3b695e 113 #define LL_I2C_CR1_NACKIE I2C_CR1_NACKIE
EricLew 0:80ee8f3b695e 114 #define LL_I2C_CR1_STOPIE I2C_CR1_STOPIE
EricLew 0:80ee8f3b695e 115 #define LL_I2C_CR1_TCIE I2C_CR1_TCIE
EricLew 0:80ee8f3b695e 116 #define LL_I2C_CR1_ERRIE I2C_CR1_ERRIE
EricLew 0:80ee8f3b695e 117 /**
EricLew 0:80ee8f3b695e 118 * @}
EricLew 0:80ee8f3b695e 119 */
EricLew 0:80ee8f3b695e 120
EricLew 0:80ee8f3b695e 121 /** @defgroup I2C_LL_EC_ADDRESSING_MODE ADDRESSING MODE
EricLew 0:80ee8f3b695e 122 * @{
EricLew 0:80ee8f3b695e 123 */
EricLew 0:80ee8f3b695e 124 #define LL_I2C_ADDRESSING_MODE_7BIT ((uint32_t) 0x00000000) /*!<Master operates in 7-bit addressing mode. */
EricLew 0:80ee8f3b695e 125 #define LL_I2C_ADDRESSING_MODE_10BIT I2C_CR2_ADD10 /*!<Master operates in 10-bit addressing mode.*/
EricLew 0:80ee8f3b695e 126 /**
EricLew 0:80ee8f3b695e 127 * @}
EricLew 0:80ee8f3b695e 128 */
EricLew 0:80ee8f3b695e 129
EricLew 0:80ee8f3b695e 130 /** @defgroup I2C_LL_EC_OWNADDRESS1 OWNADDRESS1
EricLew 0:80ee8f3b695e 131 * @{
EricLew 0:80ee8f3b695e 132 */
EricLew 0:80ee8f3b695e 133 #define LL_I2C_OWNADDRESS1_7BIT ((uint32_t)0x00000000) /*!<Own address 1 is a 7-bit address. */
EricLew 0:80ee8f3b695e 134 #define LL_I2C_OWNADDRESS1_10BIT I2C_OAR1_OA1MODE /*!<Own address 1 is a 10-bit address.*/
EricLew 0:80ee8f3b695e 135 /**
EricLew 0:80ee8f3b695e 136 * @}
EricLew 0:80ee8f3b695e 137 */
EricLew 0:80ee8f3b695e 138
EricLew 0:80ee8f3b695e 139 /** @defgroup I2C_LL_EC_OWNADDRESS2 OWNADDRESS2
EricLew 0:80ee8f3b695e 140 * @{
EricLew 0:80ee8f3b695e 141 */
EricLew 0:80ee8f3b695e 142 #define LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK /*!<Own Address2 No mask. */
EricLew 0:80ee8f3b695e 143 #define LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01 /*!<Only Address2 bits[7:2] are compared. */
EricLew 0:80ee8f3b695e 144 #define LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02 /*!<Only Address2 bits[7:3] are compared. */
EricLew 0:80ee8f3b695e 145 #define LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03 /*!<Only Address2 bits[7:4] are compared. */
EricLew 0:80ee8f3b695e 146 #define LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04 /*!<Only Address2 bits[7:5] are compared. */
EricLew 0:80ee8f3b695e 147 #define LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05 /*!<Only Address2 bits[7:6] are compared. */
EricLew 0:80ee8f3b695e 148 #define LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06 /*!<Only Address2 bits[7] are compared. */
EricLew 0:80ee8f3b695e 149 #define LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07 /*!<No comparison is done. All Address2 are acknowledged.*/
EricLew 0:80ee8f3b695e 150 /**
EricLew 0:80ee8f3b695e 151 * @}
EricLew 0:80ee8f3b695e 152 */
EricLew 0:80ee8f3b695e 153
EricLew 0:80ee8f3b695e 154 /** @defgroup I2C_LL_EC_I2C_ACKNOWLEDGE ACKNOWLEDGE
EricLew 0:80ee8f3b695e 155 * @{
EricLew 0:80ee8f3b695e 156 */
EricLew 0:80ee8f3b695e 157 #define LL_I2C_ACK ((uint32_t) 0x00000000) /*!<ACK is sent after current received byte. */
EricLew 0:80ee8f3b695e 158 #define LL_I2C_NACK I2C_CR2_NACK /*!<NACK is sent after current received byte.*/
EricLew 0:80ee8f3b695e 159 /**
EricLew 0:80ee8f3b695e 160 * @}
EricLew 0:80ee8f3b695e 161 */
EricLew 0:80ee8f3b695e 162
EricLew 0:80ee8f3b695e 163 /** @defgroup I2C_LL_EC_ADDRSLAVE ADDRSLAVE
EricLew 0:80ee8f3b695e 164 * @{
EricLew 0:80ee8f3b695e 165 */
EricLew 0:80ee8f3b695e 166 #define LL_I2C_ADDRSLAVE_7BIT ((uint32_t)0x00000000) /*!<Slave Address in 7-bit. */
EricLew 0:80ee8f3b695e 167 #define LL_I2C_ADDRSLAVE_10BIT I2C_CR2_ADD10 /*!<Slave Address in 10-bit.*/
EricLew 0:80ee8f3b695e 168 /**
EricLew 0:80ee8f3b695e 169 * @}
EricLew 0:80ee8f3b695e 170 */
EricLew 0:80ee8f3b695e 171
EricLew 0:80ee8f3b695e 172 /** @defgroup I2C_LL_EC_MODE MODE
EricLew 0:80ee8f3b695e 173 * @{
EricLew 0:80ee8f3b695e 174 */
EricLew 0:80ee8f3b695e 175 #define LL_I2C_MODE_RELOAD I2C_CR2_RELOAD /*!<Enable Reload mode. */
EricLew 0:80ee8f3b695e 176 #define LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND /*!<Enable Automatic end mode.*/
EricLew 0:80ee8f3b695e 177 #define LL_I2C_MODE_SOFTEND ((uint32_t)0x00000000) /*!<Enable Software end mode. */
EricLew 0:80ee8f3b695e 178 /**
EricLew 0:80ee8f3b695e 179 * @}
EricLew 0:80ee8f3b695e 180 */
EricLew 0:80ee8f3b695e 181
EricLew 0:80ee8f3b695e 182 /** @defgroup I2C_LL_EC_GENERATE GENERATE
EricLew 0:80ee8f3b695e 183 * @{
EricLew 0:80ee8f3b695e 184 */
EricLew 0:80ee8f3b695e 185 #define LL_I2C_GENERATE_NOSTARTSTOP ((uint32_t)0x00000000) /*!<Don't Generate Stop and Start condition. */
EricLew 0:80ee8f3b695e 186 #define LL_I2C_GENERATE_STOP I2C_CR2_STOP /*!<Generate Stop condition (Size should be set to 0). */
EricLew 0:80ee8f3b695e 187 #define LL_I2C_GENERATE_START_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) /*!<Generate Start for read request. */
EricLew 0:80ee8f3b695e 188 #define LL_I2C_GENERATE_START_WRITE I2C_CR2_START /*!<Generate Start for write request. */
EricLew 0:80ee8f3b695e 189 #define LL_I2C_GENERATE_RESTART_7BIT_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) /*!<Generate Restart for read request, slave 7Bit address. */
EricLew 0:80ee8f3b695e 190 #define LL_I2C_GENERATE_RESTART_7BIT_WRITE I2C_CR2_START /*!<Generate Restart for write request, slave 7Bit address. */
EricLew 0:80ee8f3b695e 191 #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. */
EricLew 0:80ee8f3b695e 192 #define LL_I2C_GENERATE_RESTART_10BIT_WRITE I2C_CR2_START /*!<Generate Restart for write request, slave 10Bit address.*/
EricLew 0:80ee8f3b695e 193 /**
EricLew 0:80ee8f3b695e 194 * @}
EricLew 0:80ee8f3b695e 195 */
EricLew 0:80ee8f3b695e 196
EricLew 0:80ee8f3b695e 197 /** @defgroup I2C_LL_EC_DIRECTION DIRECTION
EricLew 0:80ee8f3b695e 198 * @{
EricLew 0:80ee8f3b695e 199 */
EricLew 0:80ee8f3b695e 200 #define LL_I2C_DIRECTION_WRITE ((uint32_t)0x00000000) /*!<Write transfer, slave enters receiver mode. */
EricLew 0:80ee8f3b695e 201 #define LL_I2C_DIRECTION_READ I2C_ISR_DIR /*!<Read transfer, slave enters transmitter mode.*/
EricLew 0:80ee8f3b695e 202 /**
EricLew 0:80ee8f3b695e 203 * @}
EricLew 0:80ee8f3b695e 204 */
EricLew 0:80ee8f3b695e 205
EricLew 0:80ee8f3b695e 206 /** @defgroup I2C_LL_EC_DMA_REG_DATA DMA register data
EricLew 0:80ee8f3b695e 207 * @{
EricLew 0:80ee8f3b695e 208 */
EricLew 0:80ee8f3b695e 209 #define LL_I2C_DMA_REG_DATA_TRANSMIT (uint32_t)0 /*!<Get address of data register used for transmission */
EricLew 0:80ee8f3b695e 210 #define LL_I2C_DMA_REG_DATA_RECEIVE (uint32_t)1 /*!<Get address of data register used for reception */
EricLew 0:80ee8f3b695e 211 /**
EricLew 0:80ee8f3b695e 212 * @}
EricLew 0:80ee8f3b695e 213 */
EricLew 0:80ee8f3b695e 214
EricLew 0:80ee8f3b695e 215 /**
EricLew 0:80ee8f3b695e 216 * @}
EricLew 0:80ee8f3b695e 217 */
EricLew 0:80ee8f3b695e 218
EricLew 0:80ee8f3b695e 219 /* Exported macro ------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 220 /** @defgroup I2C_LL_Exported_Macros I2C Exported Macros
EricLew 0:80ee8f3b695e 221 * @{
EricLew 0:80ee8f3b695e 222 */
EricLew 0:80ee8f3b695e 223
EricLew 0:80ee8f3b695e 224 /** @defgroup I2C_LL_EM_WRITE_READ Common Write and read registers Macros
EricLew 0:80ee8f3b695e 225 * @{
EricLew 0:80ee8f3b695e 226 */
EricLew 0:80ee8f3b695e 227
EricLew 0:80ee8f3b695e 228 /**
EricLew 0:80ee8f3b695e 229 * @brief Write a value in I2C register
EricLew 0:80ee8f3b695e 230 * @param __INSTANCE__ I2C Instance
EricLew 0:80ee8f3b695e 231 * @param __REG__ Register to be written
EricLew 0:80ee8f3b695e 232 * @param __VALUE__ Value to be written in the register
EricLew 0:80ee8f3b695e 233 * @retval None
EricLew 0:80ee8f3b695e 234 */
EricLew 0:80ee8f3b695e 235 #define LL_I2C_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
EricLew 0:80ee8f3b695e 236
EricLew 0:80ee8f3b695e 237 /**
EricLew 0:80ee8f3b695e 238 * @brief Read a value in I2C register
EricLew 0:80ee8f3b695e 239 * @param __INSTANCE__ I2C Instance
EricLew 0:80ee8f3b695e 240 * @param __REG__ Register to be read
EricLew 0:80ee8f3b695e 241 * @retval Register value
EricLew 0:80ee8f3b695e 242 */
EricLew 0:80ee8f3b695e 243 #define LL_I2C_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
EricLew 0:80ee8f3b695e 244 /**
EricLew 0:80ee8f3b695e 245 * @}
EricLew 0:80ee8f3b695e 246 */
EricLew 0:80ee8f3b695e 247
EricLew 0:80ee8f3b695e 248 /** @defgroup I2C_LL_EM_CONVERT_TIMINGS Convert SDA SCL timings
EricLew 0:80ee8f3b695e 249 * @{
EricLew 0:80ee8f3b695e 250 */
EricLew 0:80ee8f3b695e 251 /**
EricLew 0:80ee8f3b695e 252 * @brief Configure the SDA setup, hold time and the SCL high, low period.
EricLew 0:80ee8f3b695e 253 * @param __PRESCALER__ This parameter must be a value between 0 and 0xF.
EricLew 0:80ee8f3b695e 254 * @param __DATA_SETUP_TIME__ This parameter must be a value between 0 and 0xF. (tscldel = (SCLDEL+1)xtpresc)
EricLew 0:80ee8f3b695e 255 * @param __DATA_HOLD_TIME__ This parameter must be a value between 0 and 0xF. (tsdadel = SDADELxtpresc)
EricLew 0:80ee8f3b695e 256 * @param __CLOCK_HIGH_PERIOD__ This parameter must be a value between 0 and 0xFF. (tsclh = (SCLH+1)xtpresc)
EricLew 0:80ee8f3b695e 257 * @param __CLOCK_LOW_PERIOD__ This parameter must be a value between 0 and 0xFF. (tscll = (SCLL+1)xtpresc)
EricLew 0:80ee8f3b695e 258 * @retval Value between 0 and 0xFFFFFFFF
EricLew 0:80ee8f3b695e 259 */
EricLew 0:80ee8f3b695e 260 #define __LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __DATA_SETUP_TIME__, __DATA_HOLD_TIME__, __CLOCK_HIGH_PERIOD__, __CLOCK_LOW_PERIOD__) \
EricLew 0:80ee8f3b695e 261 ((((uint32_t)(__PRESCALER__) << (uint32_t)POSITION_VAL(I2C_TIMINGR_PRESC)) & I2C_TIMINGR_PRESC) | \
EricLew 0:80ee8f3b695e 262 (((uint32_t)(__DATA_SETUP_TIME__) << (uint32_t)POSITION_VAL(I2C_TIMINGR_SCLDEL)) & I2C_TIMINGR_SCLDEL) | \
EricLew 0:80ee8f3b695e 263 (((uint32_t)(__DATA_HOLD_TIME__) << (uint32_t)POSITION_VAL(I2C_TIMINGR_SDADEL)) & I2C_TIMINGR_SDADEL) | \
EricLew 0:80ee8f3b695e 264 (((uint32_t)(__CLOCK_HIGH_PERIOD__) << (uint32_t)POSITION_VAL(I2C_TIMINGR_SCLH)) & I2C_TIMINGR_SCLH) | \
EricLew 0:80ee8f3b695e 265 (((uint32_t)(__CLOCK_LOW_PERIOD__) << (uint32_t)POSITION_VAL(I2C_TIMINGR_SCLL)) & I2C_TIMINGR_SCLL))
EricLew 0:80ee8f3b695e 266 /**
EricLew 0:80ee8f3b695e 267 * @}
EricLew 0:80ee8f3b695e 268 */
EricLew 0:80ee8f3b695e 269
EricLew 0:80ee8f3b695e 270 /**
EricLew 0:80ee8f3b695e 271 * @}
EricLew 0:80ee8f3b695e 272 */
EricLew 0:80ee8f3b695e 273
EricLew 0:80ee8f3b695e 274 /* Exported functions --------------------------------------------------------*/
EricLew 0:80ee8f3b695e 275 /** @defgroup I2C_LL_Exported_Functions I2C Exported Functions
EricLew 0:80ee8f3b695e 276 * @{
EricLew 0:80ee8f3b695e 277 */
EricLew 0:80ee8f3b695e 278
EricLew 0:80ee8f3b695e 279 /** @defgroup I2C_LL_EF_Configuration Configuration
EricLew 0:80ee8f3b695e 280 * @{
EricLew 0:80ee8f3b695e 281 */
EricLew 0:80ee8f3b695e 282
EricLew 0:80ee8f3b695e 283 /**
EricLew 0:80ee8f3b695e 284 * @brief Enable I2C peripheral (PE = 1).
EricLew 0:80ee8f3b695e 285 * @rmtoll CR1 PE LL_I2C_Enable
EricLew 0:80ee8f3b695e 286 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 287 * @retval None
EricLew 0:80ee8f3b695e 288 */
EricLew 0:80ee8f3b695e 289 __STATIC_INLINE void LL_I2C_Enable(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 290 {
EricLew 0:80ee8f3b695e 291 SET_BIT(I2Cx->CR1, I2C_CR1_PE);
EricLew 0:80ee8f3b695e 292 }
EricLew 0:80ee8f3b695e 293
EricLew 0:80ee8f3b695e 294 /**
EricLew 0:80ee8f3b695e 295 * @brief Disable I2C peripheral (PE = 0).
EricLew 0:80ee8f3b695e 296 * @note When PE = 0, the I2C SCL and SDA lines are released.
EricLew 0:80ee8f3b695e 297 * Internal state machines and status bits are put back to their reset value.
EricLew 0:80ee8f3b695e 298 * When cleared, PE must be kept low for at least 3 APB clock cycles.
EricLew 0:80ee8f3b695e 299 * @rmtoll CR1 PE LL_I2C_Disable
EricLew 0:80ee8f3b695e 300 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 301 * @retval None
EricLew 0:80ee8f3b695e 302 */
EricLew 0:80ee8f3b695e 303 __STATIC_INLINE void LL_I2C_Disable(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 304 {
EricLew 0:80ee8f3b695e 305 CLEAR_BIT(I2Cx->CR1, I2C_CR1_PE);
EricLew 0:80ee8f3b695e 306 }
EricLew 0:80ee8f3b695e 307
EricLew 0:80ee8f3b695e 308 /**
EricLew 0:80ee8f3b695e 309 * @brief Check if the I2C peripheral is enabled or disabled.
EricLew 0:80ee8f3b695e 310 * @rmtoll CR1 PE LL_I2C_IsEnabled
EricLew 0:80ee8f3b695e 311 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 312 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 313 */
EricLew 0:80ee8f3b695e 314 __STATIC_INLINE uint32_t LL_I2C_IsEnabled(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 315 {
EricLew 0:80ee8f3b695e 316 return (READ_BIT(I2Cx->CR1, I2C_CR1_PE) == (I2C_CR1_PE));
EricLew 0:80ee8f3b695e 317 }
EricLew 0:80ee8f3b695e 318
EricLew 0:80ee8f3b695e 319 /**
EricLew 0:80ee8f3b695e 320 * @brief Configure Digital Noise Filter.
EricLew 0:80ee8f3b695e 321 * @note If the analog filter is also enabled, the digital filter is added to analog filter.
EricLew 0:80ee8f3b695e 322 * This filter can only be programmed when the I2C is disabled (PE = 0).
EricLew 0:80ee8f3b695e 323 * @rmtoll CR1 DNF LL_I2C_SetDigitalFilter
EricLew 0:80ee8f3b695e 324 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 325 * @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). This parameter is used to configure the digital noise filter on SDA and SCL input. The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk.
EricLew 0:80ee8f3b695e 326 * @retval None
EricLew 0:80ee8f3b695e 327 */
EricLew 0:80ee8f3b695e 328 __STATIC_INLINE void LL_I2C_SetDigitalFilter(I2C_TypeDef* I2Cx, uint32_t DigitalFilter)
EricLew 0:80ee8f3b695e 329 {
EricLew 0:80ee8f3b695e 330 MODIFY_REG(I2Cx->CR1, I2C_CR1_DNF, DigitalFilter << POSITION_VAL(I2C_CR1_DNF));
EricLew 0:80ee8f3b695e 331 }
EricLew 0:80ee8f3b695e 332
EricLew 0:80ee8f3b695e 333 /**
EricLew 0:80ee8f3b695e 334 * @brief Get the current Digital Noise Filter configuration.
EricLew 0:80ee8f3b695e 335 * @rmtoll CR1 DNF LL_I2C_GetDigitalFilter
EricLew 0:80ee8f3b695e 336 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 337 * @retval 0..0xF
EricLew 0:80ee8f3b695e 338 */
EricLew 0:80ee8f3b695e 339 __STATIC_INLINE uint32_t LL_I2C_GetDigitalFilter(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 340 {
EricLew 0:80ee8f3b695e 341 return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_DNF) >> POSITION_VAL(I2C_CR1_DNF));
EricLew 0:80ee8f3b695e 342 }
EricLew 0:80ee8f3b695e 343
EricLew 0:80ee8f3b695e 344 /**
EricLew 0:80ee8f3b695e 345 * @brief Enable Analog Noise Filter.
EricLew 0:80ee8f3b695e 346 * @note This filter can only be programmed when the I2C is disabled (PE = 0).
EricLew 0:80ee8f3b695e 347 * @rmtoll CR1 ANFOFF LL_I2C_EnableAnalogFilter
EricLew 0:80ee8f3b695e 348 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 349 * @retval None
EricLew 0:80ee8f3b695e 350 */
EricLew 0:80ee8f3b695e 351 __STATIC_INLINE void LL_I2C_EnableAnalogFilter(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 352 {
EricLew 0:80ee8f3b695e 353 CLEAR_BIT(I2Cx->CR1, I2C_CR1_ANFOFF);
EricLew 0:80ee8f3b695e 354 }
EricLew 0:80ee8f3b695e 355
EricLew 0:80ee8f3b695e 356 /**
EricLew 0:80ee8f3b695e 357 * @brief Disable Analog Noise Filter.
EricLew 0:80ee8f3b695e 358 * @note This filter can only be programmed when the I2C is disabled (PE = 0).
EricLew 0:80ee8f3b695e 359 * @rmtoll CR1 ANFOFF LL_I2C_DisableAnalogFilter
EricLew 0:80ee8f3b695e 360 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 361 * @retval None
EricLew 0:80ee8f3b695e 362 */
EricLew 0:80ee8f3b695e 363 __STATIC_INLINE void LL_I2C_DisableAnalogFilter(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 364 {
EricLew 0:80ee8f3b695e 365 SET_BIT(I2Cx->CR1, I2C_CR1_ANFOFF);
EricLew 0:80ee8f3b695e 366 }
EricLew 0:80ee8f3b695e 367
EricLew 0:80ee8f3b695e 368 /**
EricLew 0:80ee8f3b695e 369 * @brief Check if Analog Noise Filter is enabled or disabled.
EricLew 0:80ee8f3b695e 370 * @rmtoll CR1 ANFOFF LL_I2C_IsEnabledAnalogFilter
EricLew 0:80ee8f3b695e 371 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 372 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 373 */
EricLew 0:80ee8f3b695e 374 __STATIC_INLINE uint32_t LL_I2C_IsEnabledAnalogFilter(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 375 {
EricLew 0:80ee8f3b695e 376 return (READ_BIT(I2Cx->CR1, I2C_CR1_ANFOFF) != (I2C_CR1_ANFOFF));
EricLew 0:80ee8f3b695e 377 }
EricLew 0:80ee8f3b695e 378
EricLew 0:80ee8f3b695e 379 /**
EricLew 0:80ee8f3b695e 380 * @brief Enable DMA transmission requests.
EricLew 0:80ee8f3b695e 381 * @rmtoll CR1 TXDMAEN LL_I2C_EnableDMAReq_TX
EricLew 0:80ee8f3b695e 382 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 383 * @retval None
EricLew 0:80ee8f3b695e 384 */
EricLew 0:80ee8f3b695e 385 __STATIC_INLINE void LL_I2C_EnableDMAReq_TX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 386 {
EricLew 0:80ee8f3b695e 387 SET_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN);
EricLew 0:80ee8f3b695e 388 }
EricLew 0:80ee8f3b695e 389
EricLew 0:80ee8f3b695e 390 /**
EricLew 0:80ee8f3b695e 391 * @brief Disable DMA transmission requests.
EricLew 0:80ee8f3b695e 392 * @rmtoll CR1 TXDMAEN LL_I2C_DisableDMAReq_TX
EricLew 0:80ee8f3b695e 393 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 394 * @retval None
EricLew 0:80ee8f3b695e 395 */
EricLew 0:80ee8f3b695e 396 __STATIC_INLINE void LL_I2C_DisableDMAReq_TX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 397 {
EricLew 0:80ee8f3b695e 398 CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN);
EricLew 0:80ee8f3b695e 399 }
EricLew 0:80ee8f3b695e 400
EricLew 0:80ee8f3b695e 401 /**
EricLew 0:80ee8f3b695e 402 * @brief Check if DMA transmission requests are enabled or disabled.
EricLew 0:80ee8f3b695e 403 * @rmtoll CR1 TXDMAEN LL_I2C_IsEnabledDMAReq_TX
EricLew 0:80ee8f3b695e 404 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 405 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 406 */
EricLew 0:80ee8f3b695e 407 __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_TX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 408 {
EricLew 0:80ee8f3b695e 409 return (READ_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN) == (I2C_CR1_TXDMAEN));
EricLew 0:80ee8f3b695e 410 }
EricLew 0:80ee8f3b695e 411
EricLew 0:80ee8f3b695e 412 /**
EricLew 0:80ee8f3b695e 413 * @brief Enable DMA reception requests.
EricLew 0:80ee8f3b695e 414 * @rmtoll CR1 RXDMAEN LL_I2C_EnableDMAReq_RX
EricLew 0:80ee8f3b695e 415 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 416 * @retval None
EricLew 0:80ee8f3b695e 417 */
EricLew 0:80ee8f3b695e 418 __STATIC_INLINE void LL_I2C_EnableDMAReq_RX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 419 {
EricLew 0:80ee8f3b695e 420 SET_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN);
EricLew 0:80ee8f3b695e 421 }
EricLew 0:80ee8f3b695e 422
EricLew 0:80ee8f3b695e 423 /**
EricLew 0:80ee8f3b695e 424 * @brief Disable DMA reception requests.
EricLew 0:80ee8f3b695e 425 * @rmtoll CR1 RXDMAEN LL_I2C_DisableDMAReq_RX
EricLew 0:80ee8f3b695e 426 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 427 * @retval None
EricLew 0:80ee8f3b695e 428 */
EricLew 0:80ee8f3b695e 429 __STATIC_INLINE void LL_I2C_DisableDMAReq_RX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 430 {
EricLew 0:80ee8f3b695e 431 CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN);
EricLew 0:80ee8f3b695e 432 }
EricLew 0:80ee8f3b695e 433
EricLew 0:80ee8f3b695e 434 /**
EricLew 0:80ee8f3b695e 435 * @brief Check if DMA reception requests are enabled or disabled.
EricLew 0:80ee8f3b695e 436 * @rmtoll CR1 RXDMAEN LL_I2C_IsEnabledDMAReq_RX
EricLew 0:80ee8f3b695e 437 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 438 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 439 */
EricLew 0:80ee8f3b695e 440 __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 441 {
EricLew 0:80ee8f3b695e 442 return (READ_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN) == (I2C_CR1_RXDMAEN));
EricLew 0:80ee8f3b695e 443 }
EricLew 0:80ee8f3b695e 444
EricLew 0:80ee8f3b695e 445 /**
EricLew 0:80ee8f3b695e 446 * @brief Get the data register address used for DMA transfer
EricLew 0:80ee8f3b695e 447 * @rmtoll TXDR TXDATA LL_I2C_DMA_GetRegAddr\n
EricLew 0:80ee8f3b695e 448 * RXDR RXDATA LL_I2C_DMA_GetRegAddr
EricLew 0:80ee8f3b695e 449 * @param I2Cx I2C Instance
EricLew 0:80ee8f3b695e 450 * @param Direction This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 451 * @arg @ref LL_I2C_DMA_REG_DATA_TRANSMIT
EricLew 0:80ee8f3b695e 452 * @arg @ref LL_I2C_DMA_REG_DATA_RECEIVE
EricLew 0:80ee8f3b695e 453 * @retval Address of data register
EricLew 0:80ee8f3b695e 454 */
EricLew 0:80ee8f3b695e 455 __STATIC_INLINE uint32_t LL_I2C_DMA_GetRegAddr(I2C_TypeDef * I2Cx, uint32_t Direction)
EricLew 0:80ee8f3b695e 456 {
EricLew 0:80ee8f3b695e 457 register uint32_t data_reg_addr = 0;
EricLew 0:80ee8f3b695e 458
EricLew 0:80ee8f3b695e 459 if (Direction == LL_I2C_DMA_REG_DATA_TRANSMIT)
EricLew 0:80ee8f3b695e 460 {
EricLew 0:80ee8f3b695e 461 /* return address of TXDR register */
EricLew 0:80ee8f3b695e 462 data_reg_addr = (uint32_t)&(I2Cx->TXDR);
EricLew 0:80ee8f3b695e 463 }
EricLew 0:80ee8f3b695e 464 else
EricLew 0:80ee8f3b695e 465 {
EricLew 0:80ee8f3b695e 466 /* return address of RXDR register */
EricLew 0:80ee8f3b695e 467 data_reg_addr = (uint32_t)&(I2Cx->RXDR);
EricLew 0:80ee8f3b695e 468 }
EricLew 0:80ee8f3b695e 469
EricLew 0:80ee8f3b695e 470 return data_reg_addr;
EricLew 0:80ee8f3b695e 471 }
EricLew 0:80ee8f3b695e 472
EricLew 0:80ee8f3b695e 473 /**
EricLew 0:80ee8f3b695e 474 * @brief Enable Clock stretching.
EricLew 0:80ee8f3b695e 475 * @note This bit can only be programmed when the I2C is disabled (PE = 0).
EricLew 0:80ee8f3b695e 476 * @rmtoll CR1 NOSTRETCH LL_I2C_EnableClockStretching
EricLew 0:80ee8f3b695e 477 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 478 * @retval None
EricLew 0:80ee8f3b695e 479 */
EricLew 0:80ee8f3b695e 480 __STATIC_INLINE void LL_I2C_EnableClockStretching(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 481 {
EricLew 0:80ee8f3b695e 482 CLEAR_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH);
EricLew 0:80ee8f3b695e 483 }
EricLew 0:80ee8f3b695e 484
EricLew 0:80ee8f3b695e 485 /**
EricLew 0:80ee8f3b695e 486 * @brief Disable Clock stretching.
EricLew 0:80ee8f3b695e 487 * @note This bit can only be programmed when the I2C is disabled (PE = 0).
EricLew 0:80ee8f3b695e 488 * @rmtoll CR1 NOSTRETCH LL_I2C_DisableClockStretching
EricLew 0:80ee8f3b695e 489 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 490 * @retval None
EricLew 0:80ee8f3b695e 491 */
EricLew 0:80ee8f3b695e 492 __STATIC_INLINE void LL_I2C_DisableClockStretching(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 493 {
EricLew 0:80ee8f3b695e 494 SET_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH);
EricLew 0:80ee8f3b695e 495 }
EricLew 0:80ee8f3b695e 496
EricLew 0:80ee8f3b695e 497 /**
EricLew 0:80ee8f3b695e 498 * @brief Check if Clock stretching is enabled or disabled.
EricLew 0:80ee8f3b695e 499 * @rmtoll CR1 NOSTRETCH LL_I2C_IsEnabledClockStretching
EricLew 0:80ee8f3b695e 500 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 501 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 502 */
EricLew 0:80ee8f3b695e 503 __STATIC_INLINE uint32_t LL_I2C_IsEnabledClockStretching(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 504 {
EricLew 0:80ee8f3b695e 505 return (READ_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH) != (I2C_CR1_NOSTRETCH));
EricLew 0:80ee8f3b695e 506 }
EricLew 0:80ee8f3b695e 507
EricLew 0:80ee8f3b695e 508 /**
EricLew 0:80ee8f3b695e 509 * @brief Enable Wakeup from STOP.
EricLew 0:80ee8f3b695e 510 * @note This bit can only be programmed when Digital Filter is disabled.
EricLew 0:80ee8f3b695e 511 * @rmtoll CR1 WUPEN LL_I2C_EnableWakeUpFromStop
EricLew 0:80ee8f3b695e 512 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 513 * @retval None
EricLew 0:80ee8f3b695e 514 */
EricLew 0:80ee8f3b695e 515 __STATIC_INLINE void LL_I2C_EnableWakeUpFromStop(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 516 {
EricLew 0:80ee8f3b695e 517 SET_BIT(I2Cx->CR1, I2C_CR1_WUPEN);
EricLew 0:80ee8f3b695e 518 }
EricLew 0:80ee8f3b695e 519
EricLew 0:80ee8f3b695e 520 /**
EricLew 0:80ee8f3b695e 521 * @brief Disable Wakeup from STOP.
EricLew 0:80ee8f3b695e 522 * @rmtoll CR1 WUPEN LL_I2C_DisableWakeUpFromStop
EricLew 0:80ee8f3b695e 523 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 524 * @retval None
EricLew 0:80ee8f3b695e 525 */
EricLew 0:80ee8f3b695e 526 __STATIC_INLINE void LL_I2C_DisableWakeUpFromStop(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 527 {
EricLew 0:80ee8f3b695e 528 CLEAR_BIT(I2Cx->CR1, I2C_CR1_WUPEN);
EricLew 0:80ee8f3b695e 529 }
EricLew 0:80ee8f3b695e 530
EricLew 0:80ee8f3b695e 531 /**
EricLew 0:80ee8f3b695e 532 * @brief Check if Wakeup from STOP is enabled or disabled.
EricLew 0:80ee8f3b695e 533 * @rmtoll CR1 WUPEN LL_I2C_IsEnabledWakeUpFromStop
EricLew 0:80ee8f3b695e 534 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 535 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 536 */
EricLew 0:80ee8f3b695e 537 __STATIC_INLINE uint32_t LL_I2C_IsEnabledWakeUpFromStop(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 538 {
EricLew 0:80ee8f3b695e 539 return (READ_BIT(I2Cx->CR1, I2C_CR1_WUPEN) == (I2C_CR1_WUPEN));
EricLew 0:80ee8f3b695e 540 }
EricLew 0:80ee8f3b695e 541
EricLew 0:80ee8f3b695e 542 /**
EricLew 0:80ee8f3b695e 543 * @brief Enable General Call.
EricLew 0:80ee8f3b695e 544 * @note When enabled the Address 0x00 is ACKed.
EricLew 0:80ee8f3b695e 545 * @rmtoll CR1 GCEN LL_I2C_EnableGeneralCall
EricLew 0:80ee8f3b695e 546 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 547 * @retval None
EricLew 0:80ee8f3b695e 548 */
EricLew 0:80ee8f3b695e 549 __STATIC_INLINE void LL_I2C_EnableGeneralCall(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 550 {
EricLew 0:80ee8f3b695e 551 SET_BIT(I2Cx->CR1, I2C_CR1_GCEN);
EricLew 0:80ee8f3b695e 552 }
EricLew 0:80ee8f3b695e 553
EricLew 0:80ee8f3b695e 554 /**
EricLew 0:80ee8f3b695e 555 * @brief Disable General Call.
EricLew 0:80ee8f3b695e 556 * @note When disabled the Address 0x00 is NACKed.
EricLew 0:80ee8f3b695e 557 * @rmtoll CR1 GCEN LL_I2C_DisableGeneralCall
EricLew 0:80ee8f3b695e 558 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 559 * @retval None
EricLew 0:80ee8f3b695e 560 */
EricLew 0:80ee8f3b695e 561 __STATIC_INLINE void LL_I2C_DisableGeneralCall(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 562 {
EricLew 0:80ee8f3b695e 563 CLEAR_BIT(I2Cx->CR1, I2C_CR1_GCEN);
EricLew 0:80ee8f3b695e 564 }
EricLew 0:80ee8f3b695e 565
EricLew 0:80ee8f3b695e 566 /**
EricLew 0:80ee8f3b695e 567 * @brief Check if General Call is enabled or disabled.
EricLew 0:80ee8f3b695e 568 * @rmtoll CR1 GCEN LL_I2C_IsEnabledGeneralCall
EricLew 0:80ee8f3b695e 569 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 570 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 571 */
EricLew 0:80ee8f3b695e 572 __STATIC_INLINE uint32_t LL_I2C_IsEnabledGeneralCall(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 573 {
EricLew 0:80ee8f3b695e 574 return (READ_BIT(I2Cx->CR1, I2C_CR1_GCEN) == (I2C_CR1_GCEN));
EricLew 0:80ee8f3b695e 575 }
EricLew 0:80ee8f3b695e 576
EricLew 0:80ee8f3b695e 577 /**
EricLew 0:80ee8f3b695e 578 * @brief Configure the Master to operate in 7-bit or 10-bit addressing mode.
EricLew 0:80ee8f3b695e 579 * @note Changing this bit is not allowed, when the START bit is set.
EricLew 0:80ee8f3b695e 580 * @rmtoll CR2 ADD10 LL_I2C_SetMasterAddressingMode
EricLew 0:80ee8f3b695e 581 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 582 * @param AddressingMode This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 583 * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT
EricLew 0:80ee8f3b695e 584 * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT
EricLew 0:80ee8f3b695e 585 * @retval None
EricLew 0:80ee8f3b695e 586 */
EricLew 0:80ee8f3b695e 587 __STATIC_INLINE void LL_I2C_SetMasterAddressingMode(I2C_TypeDef* I2Cx, uint32_t AddressingMode)
EricLew 0:80ee8f3b695e 588 {
EricLew 0:80ee8f3b695e 589 MODIFY_REG(I2Cx->CR2, I2C_CR2_ADD10, AddressingMode);
EricLew 0:80ee8f3b695e 590 }
EricLew 0:80ee8f3b695e 591
EricLew 0:80ee8f3b695e 592 /**
EricLew 0:80ee8f3b695e 593 * @brief Get the Master addressing mode.
EricLew 0:80ee8f3b695e 594 * @rmtoll CR2 ADD10 LL_I2C_GetMasterAddressingMode
EricLew 0:80ee8f3b695e 595 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 596 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 597 * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT
EricLew 0:80ee8f3b695e 598 * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT
EricLew 0:80ee8f3b695e 599 */
EricLew 0:80ee8f3b695e 600 __STATIC_INLINE uint32_t LL_I2C_GetMasterAddressingMode(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 601 {
EricLew 0:80ee8f3b695e 602 return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_ADD10));
EricLew 0:80ee8f3b695e 603 }
EricLew 0:80ee8f3b695e 604
EricLew 0:80ee8f3b695e 605 /**
EricLew 0:80ee8f3b695e 606 * @brief Set the Own Address1.
EricLew 0:80ee8f3b695e 607 * @rmtoll OAR1 OA1 LL_I2C_SetOwnAddress1\n
EricLew 0:80ee8f3b695e 608 * OAR1 OA1MODE LL_I2C_SetOwnAddress1
EricLew 0:80ee8f3b695e 609 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 610 * @param OwnAddr This parameter must be a value between 0 and 0x7F.
EricLew 0:80ee8f3b695e 611 * @param OwnAddrSize This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 612 * @arg @ref LL_I2C_OWNADDRESS1_7BIT
EricLew 0:80ee8f3b695e 613 * @arg @ref LL_I2C_OWNADDRESS1_10BIT
EricLew 0:80ee8f3b695e 614 * @retval None
EricLew 0:80ee8f3b695e 615 */
EricLew 0:80ee8f3b695e 616 __STATIC_INLINE void LL_I2C_SetOwnAddress1(I2C_TypeDef* I2Cx, uint32_t OwnAddr, uint32_t OwnAddrSize)
EricLew 0:80ee8f3b695e 617 {
EricLew 0:80ee8f3b695e 618 MODIFY_REG(I2Cx->OAR1, I2C_OAR1_OA1 | I2C_OAR1_OA1MODE, OwnAddr | OwnAddrSize);
EricLew 0:80ee8f3b695e 619 }
EricLew 0:80ee8f3b695e 620
EricLew 0:80ee8f3b695e 621 /**
EricLew 0:80ee8f3b695e 622 * @brief Enable acknowledge on Own Address1 match address.
EricLew 0:80ee8f3b695e 623 * @rmtoll OAR1 OA1EN LL_I2C_EnableOwnAddress1
EricLew 0:80ee8f3b695e 624 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 625 * @retval None
EricLew 0:80ee8f3b695e 626 */
EricLew 0:80ee8f3b695e 627 __STATIC_INLINE void LL_I2C_EnableOwnAddress1(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 628 {
EricLew 0:80ee8f3b695e 629 SET_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN);
EricLew 0:80ee8f3b695e 630 }
EricLew 0:80ee8f3b695e 631
EricLew 0:80ee8f3b695e 632 /**
EricLew 0:80ee8f3b695e 633 * @brief Disable acknowledge on Own Address1 match address.
EricLew 0:80ee8f3b695e 634 * @rmtoll OAR1 OA1EN LL_I2C_DisableOwnAddress1
EricLew 0:80ee8f3b695e 635 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 636 * @retval None
EricLew 0:80ee8f3b695e 637 */
EricLew 0:80ee8f3b695e 638 __STATIC_INLINE void LL_I2C_DisableOwnAddress1(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 639 {
EricLew 0:80ee8f3b695e 640 CLEAR_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN);
EricLew 0:80ee8f3b695e 641 }
EricLew 0:80ee8f3b695e 642
EricLew 0:80ee8f3b695e 643 /**
EricLew 0:80ee8f3b695e 644 * @brief Check if Own Address1 acknowledge is enabled or disabled.
EricLew 0:80ee8f3b695e 645 * @rmtoll OAR1 OA1EN LL_I2C_IsEnabledOwnAddress1
EricLew 0:80ee8f3b695e 646 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 647 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 648 */
EricLew 0:80ee8f3b695e 649 __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress1(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 650 {
EricLew 0:80ee8f3b695e 651 return (READ_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN) == (I2C_OAR1_OA1EN));
EricLew 0:80ee8f3b695e 652 }
EricLew 0:80ee8f3b695e 653
EricLew 0:80ee8f3b695e 654 /**
EricLew 0:80ee8f3b695e 655 * @brief Set the 7bits Own Address2.
EricLew 0:80ee8f3b695e 656 * @note This action has no effect if own address2 is enabled.
EricLew 0:80ee8f3b695e 657 * @rmtoll OAR2 OA2 LL_I2C_SetOwnAddress2\n
EricLew 0:80ee8f3b695e 658 * OAR2 OA2MSK LL_I2C_SetOwnAddress2
EricLew 0:80ee8f3b695e 659 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 660 * @param OwnAddr Value between 0 and 0x7F.
EricLew 0:80ee8f3b695e 661 * @param OwnAddrMask This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 662 * @arg @ref LL_I2C_OWNADDRESS2_NOMASK
EricLew 0:80ee8f3b695e 663 * @arg @ref LL_I2C_OWNADDRESS2_MASK01
EricLew 0:80ee8f3b695e 664 * @arg @ref LL_I2C_OWNADDRESS2_MASK02
EricLew 0:80ee8f3b695e 665 * @arg @ref LL_I2C_OWNADDRESS2_MASK03
EricLew 0:80ee8f3b695e 666 * @arg @ref LL_I2C_OWNADDRESS2_MASK04
EricLew 0:80ee8f3b695e 667 * @arg @ref LL_I2C_OWNADDRESS2_MASK05
EricLew 0:80ee8f3b695e 668 * @arg @ref LL_I2C_OWNADDRESS2_MASK06
EricLew 0:80ee8f3b695e 669 * @arg @ref LL_I2C_OWNADDRESS2_MASK07
EricLew 0:80ee8f3b695e 670 * @retval None
EricLew 0:80ee8f3b695e 671 */
EricLew 0:80ee8f3b695e 672 __STATIC_INLINE void LL_I2C_SetOwnAddress2(I2C_TypeDef* I2Cx, uint32_t OwnAddr, uint32_t OwnAddrMask)
EricLew 0:80ee8f3b695e 673 {
EricLew 0:80ee8f3b695e 674 MODIFY_REG(I2Cx->OAR2, I2C_OAR2_OA2 | I2C_OAR2_OA2MSK, OwnAddr | OwnAddrMask);
EricLew 0:80ee8f3b695e 675 }
EricLew 0:80ee8f3b695e 676
EricLew 0:80ee8f3b695e 677 /**
EricLew 0:80ee8f3b695e 678 * @brief Enable acknowledge on Own Address2 match address.
EricLew 0:80ee8f3b695e 679 * @rmtoll OAR2 OA2EN LL_I2C_EnableOwnAddress2
EricLew 0:80ee8f3b695e 680 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 681 * @retval None
EricLew 0:80ee8f3b695e 682 */
EricLew 0:80ee8f3b695e 683 __STATIC_INLINE void LL_I2C_EnableOwnAddress2(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 684 {
EricLew 0:80ee8f3b695e 685 SET_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN);
EricLew 0:80ee8f3b695e 686 }
EricLew 0:80ee8f3b695e 687
EricLew 0:80ee8f3b695e 688 /**
EricLew 0:80ee8f3b695e 689 * @brief Disable acknowledge on Own Address2 match address.
EricLew 0:80ee8f3b695e 690 * @rmtoll OAR2 OA2EN LL_I2C_DisableOwnAddress2
EricLew 0:80ee8f3b695e 691 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 692 * @retval None
EricLew 0:80ee8f3b695e 693 */
EricLew 0:80ee8f3b695e 694 __STATIC_INLINE void LL_I2C_DisableOwnAddress2(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 695 {
EricLew 0:80ee8f3b695e 696 CLEAR_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN);
EricLew 0:80ee8f3b695e 697 }
EricLew 0:80ee8f3b695e 698
EricLew 0:80ee8f3b695e 699 /**
EricLew 0:80ee8f3b695e 700 * @brief Check if Own Address1 acknowledge is enabled or disabled.
EricLew 0:80ee8f3b695e 701 * @rmtoll OAR2 OA2EN LL_I2C_IsEnabledOwnAddress2
EricLew 0:80ee8f3b695e 702 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 703 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 704 */
EricLew 0:80ee8f3b695e 705 __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress2(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 706 {
EricLew 0:80ee8f3b695e 707 return (READ_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN) == (I2C_OAR2_OA2EN));
EricLew 0:80ee8f3b695e 708 }
EricLew 0:80ee8f3b695e 709
EricLew 0:80ee8f3b695e 710 /**
EricLew 0:80ee8f3b695e 711 * @brief Configure the SDA setup, hold time and the SCL high, low period.
EricLew 0:80ee8f3b695e 712 * @note This bit can only be programmed when the I2C is disabled (PE = 0).
EricLew 0:80ee8f3b695e 713 * @rmtoll TIMINGR TIMINGR LL_I2C_SetTiming
EricLew 0:80ee8f3b695e 714 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 715 * @param TimingValue This parameter must be a value between 0 and 0xFFFFFFFF.
EricLew 0:80ee8f3b695e 716 * @note This parameter is computed with the STM32CubeMX Tool.
EricLew 0:80ee8f3b695e 717 * @retval None
EricLew 0:80ee8f3b695e 718 */
EricLew 0:80ee8f3b695e 719 __STATIC_INLINE void LL_I2C_SetTiming(I2C_TypeDef* I2Cx, uint32_t TimingValue)
EricLew 0:80ee8f3b695e 720 {
EricLew 0:80ee8f3b695e 721 WRITE_REG(I2Cx->TIMINGR, TimingValue);
EricLew 0:80ee8f3b695e 722 }
EricLew 0:80ee8f3b695e 723
EricLew 0:80ee8f3b695e 724 /**
EricLew 0:80ee8f3b695e 725 * @brief Get the Timing Prescaler setting.
EricLew 0:80ee8f3b695e 726 * @rmtoll TIMINGR PRESC LL_I2C_GetTimingPrescaler
EricLew 0:80ee8f3b695e 727 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 728 * @retval 0..0xF
EricLew 0:80ee8f3b695e 729 */
EricLew 0:80ee8f3b695e 730 __STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 731 {
EricLew 0:80ee8f3b695e 732 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_PRESC) >> POSITION_VAL(I2C_TIMINGR_PRESC));
EricLew 0:80ee8f3b695e 733 }
EricLew 0:80ee8f3b695e 734
EricLew 0:80ee8f3b695e 735 /**
EricLew 0:80ee8f3b695e 736 * @brief Get the SCL low period setting.
EricLew 0:80ee8f3b695e 737 * @rmtoll TIMINGR SCLL LL_I2C_GetClockLowPeriod
EricLew 0:80ee8f3b695e 738 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 739 * @retval 0..0xFF
EricLew 0:80ee8f3b695e 740 */
EricLew 0:80ee8f3b695e 741 __STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 742 {
EricLew 0:80ee8f3b695e 743 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLL) >> POSITION_VAL(I2C_TIMINGR_SCLL));
EricLew 0:80ee8f3b695e 744 }
EricLew 0:80ee8f3b695e 745
EricLew 0:80ee8f3b695e 746 /**
EricLew 0:80ee8f3b695e 747 * @brief Get the SCL high period setting.
EricLew 0:80ee8f3b695e 748 * @rmtoll TIMINGR SCLH LL_I2C_GetClockHighPeriod
EricLew 0:80ee8f3b695e 749 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 750 * @retval 0..0xFF
EricLew 0:80ee8f3b695e 751 */
EricLew 0:80ee8f3b695e 752 __STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 753 {
EricLew 0:80ee8f3b695e 754 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLH) >> POSITION_VAL(I2C_TIMINGR_SCLH));
EricLew 0:80ee8f3b695e 755 }
EricLew 0:80ee8f3b695e 756
EricLew 0:80ee8f3b695e 757 /**
EricLew 0:80ee8f3b695e 758 * @brief Get the SDA hold time.
EricLew 0:80ee8f3b695e 759 * @rmtoll TIMINGR SDADEL LL_I2C_GetDataHoldTime
EricLew 0:80ee8f3b695e 760 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 761 * @retval 0..0xF
EricLew 0:80ee8f3b695e 762 */
EricLew 0:80ee8f3b695e 763 __STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 764 {
EricLew 0:80ee8f3b695e 765 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SDADEL) >> POSITION_VAL(I2C_TIMINGR_SDADEL));
EricLew 0:80ee8f3b695e 766 }
EricLew 0:80ee8f3b695e 767
EricLew 0:80ee8f3b695e 768 /**
EricLew 0:80ee8f3b695e 769 * @brief Get the SDA setup time.
EricLew 0:80ee8f3b695e 770 * @rmtoll TIMINGR SCLDEL LL_I2C_GetDataSetupTime
EricLew 0:80ee8f3b695e 771 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 772 * @retval 0..0xF
EricLew 0:80ee8f3b695e 773 */
EricLew 0:80ee8f3b695e 774 __STATIC_INLINE uint32_t LL_I2C_GetDataSetupTime(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 775 {
EricLew 0:80ee8f3b695e 776 return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLDEL) >> POSITION_VAL(I2C_TIMINGR_SCLDEL));
EricLew 0:80ee8f3b695e 777 }
EricLew 0:80ee8f3b695e 778
EricLew 0:80ee8f3b695e 779 /**
EricLew 0:80ee8f3b695e 780 * @}
EricLew 0:80ee8f3b695e 781 */
EricLew 0:80ee8f3b695e 782
EricLew 0:80ee8f3b695e 783 /** @defgroup I2C_LL_EF_IT_Management IT_Management
EricLew 0:80ee8f3b695e 784 * @{
EricLew 0:80ee8f3b695e 785 */
EricLew 0:80ee8f3b695e 786
EricLew 0:80ee8f3b695e 787 /**
EricLew 0:80ee8f3b695e 788 * @brief Enable TXIS interrupt.
EricLew 0:80ee8f3b695e 789 * @rmtoll CR1 TXIE LL_I2C_EnableIT_TX
EricLew 0:80ee8f3b695e 790 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 791 * @retval None
EricLew 0:80ee8f3b695e 792 */
EricLew 0:80ee8f3b695e 793 __STATIC_INLINE void LL_I2C_EnableIT_TX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 794 {
EricLew 0:80ee8f3b695e 795 SET_BIT(I2Cx->CR1, I2C_CR1_TXIE);
EricLew 0:80ee8f3b695e 796 }
EricLew 0:80ee8f3b695e 797
EricLew 0:80ee8f3b695e 798 /**
EricLew 0:80ee8f3b695e 799 * @brief Disable TXIS interrupt.
EricLew 0:80ee8f3b695e 800 * @rmtoll CR1 TXIE LL_I2C_DisableIT_TX
EricLew 0:80ee8f3b695e 801 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 802 * @retval None
EricLew 0:80ee8f3b695e 803 */
EricLew 0:80ee8f3b695e 804 __STATIC_INLINE void LL_I2C_DisableIT_TX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 805 {
EricLew 0:80ee8f3b695e 806 CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXIE);
EricLew 0:80ee8f3b695e 807 }
EricLew 0:80ee8f3b695e 808
EricLew 0:80ee8f3b695e 809 /**
EricLew 0:80ee8f3b695e 810 * @brief Check if the TXIS Interrupt is enabled or disabled.
EricLew 0:80ee8f3b695e 811 * @rmtoll CR1 TXIE LL_I2C_IsEnabledIT_TX
EricLew 0:80ee8f3b695e 812 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 813 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 814 */
EricLew 0:80ee8f3b695e 815 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 816 {
EricLew 0:80ee8f3b695e 817 return (READ_BIT(I2Cx->CR1, I2C_CR1_TXIE) == (I2C_CR1_TXIE));
EricLew 0:80ee8f3b695e 818 }
EricLew 0:80ee8f3b695e 819
EricLew 0:80ee8f3b695e 820 /**
EricLew 0:80ee8f3b695e 821 * @brief Enable RXNE interrupt.
EricLew 0:80ee8f3b695e 822 * @rmtoll CR1 RXIE LL_I2C_EnableIT_RX
EricLew 0:80ee8f3b695e 823 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 824 * @retval None
EricLew 0:80ee8f3b695e 825 */
EricLew 0:80ee8f3b695e 826 __STATIC_INLINE void LL_I2C_EnableIT_RX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 827 {
EricLew 0:80ee8f3b695e 828 SET_BIT(I2Cx->CR1, I2C_CR1_RXIE);
EricLew 0:80ee8f3b695e 829 }
EricLew 0:80ee8f3b695e 830
EricLew 0:80ee8f3b695e 831 /**
EricLew 0:80ee8f3b695e 832 * @brief Disable RXNE interrupt.
EricLew 0:80ee8f3b695e 833 * @rmtoll CR1 RXIE LL_I2C_DisableIT_RX
EricLew 0:80ee8f3b695e 834 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 835 * @retval None
EricLew 0:80ee8f3b695e 836 */
EricLew 0:80ee8f3b695e 837 __STATIC_INLINE void LL_I2C_DisableIT_RX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 838 {
EricLew 0:80ee8f3b695e 839 CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXIE);
EricLew 0:80ee8f3b695e 840 }
EricLew 0:80ee8f3b695e 841
EricLew 0:80ee8f3b695e 842 /**
EricLew 0:80ee8f3b695e 843 * @brief Check if the RXNE Interrupt is enabled or disabled.
EricLew 0:80ee8f3b695e 844 * @rmtoll CR1 RXIE LL_I2C_IsEnabledIT_RX
EricLew 0:80ee8f3b695e 845 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 846 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 847 */
EricLew 0:80ee8f3b695e 848 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_RX(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 849 {
EricLew 0:80ee8f3b695e 850 return (READ_BIT(I2Cx->CR1, I2C_CR1_RXIE) == (I2C_CR1_RXIE));
EricLew 0:80ee8f3b695e 851 }
EricLew 0:80ee8f3b695e 852
EricLew 0:80ee8f3b695e 853 /**
EricLew 0:80ee8f3b695e 854 * @brief Enable Address match interrupt (slave mode only).
EricLew 0:80ee8f3b695e 855 * @rmtoll CR1 ADDRIE LL_I2C_EnableIT_ADDR
EricLew 0:80ee8f3b695e 856 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 857 * @retval None
EricLew 0:80ee8f3b695e 858 */
EricLew 0:80ee8f3b695e 859 __STATIC_INLINE void LL_I2C_EnableIT_ADDR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 860 {
EricLew 0:80ee8f3b695e 861 SET_BIT(I2Cx->CR1, I2C_CR1_ADDRIE);
EricLew 0:80ee8f3b695e 862 }
EricLew 0:80ee8f3b695e 863
EricLew 0:80ee8f3b695e 864 /**
EricLew 0:80ee8f3b695e 865 * @brief Disable Address match interrupt (slave mode only).
EricLew 0:80ee8f3b695e 866 * @rmtoll CR1 ADDRIE LL_I2C_DisableIT_ADDR
EricLew 0:80ee8f3b695e 867 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 868 * @retval None
EricLew 0:80ee8f3b695e 869 */
EricLew 0:80ee8f3b695e 870 __STATIC_INLINE void LL_I2C_DisableIT_ADDR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 871 {
EricLew 0:80ee8f3b695e 872 CLEAR_BIT(I2Cx->CR1, I2C_CR1_ADDRIE);
EricLew 0:80ee8f3b695e 873 }
EricLew 0:80ee8f3b695e 874
EricLew 0:80ee8f3b695e 875 /**
EricLew 0:80ee8f3b695e 876 * @brief Check if Address match interrupt is enabled or disabled.
EricLew 0:80ee8f3b695e 877 * @rmtoll CR1 ADDRIE LL_I2C_IsEnabledIT_ADDR
EricLew 0:80ee8f3b695e 878 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 879 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 880 */
EricLew 0:80ee8f3b695e 881 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ADDR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 882 {
EricLew 0:80ee8f3b695e 883 return (READ_BIT(I2Cx->CR1, I2C_CR1_ADDRIE) == (I2C_CR1_ADDRIE));
EricLew 0:80ee8f3b695e 884 }
EricLew 0:80ee8f3b695e 885
EricLew 0:80ee8f3b695e 886 /**
EricLew 0:80ee8f3b695e 887 * @brief Enable Not acknowledge received interrupt.
EricLew 0:80ee8f3b695e 888 * @rmtoll CR1 NACKIE LL_I2C_EnableIT_NACK
EricLew 0:80ee8f3b695e 889 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 890 * @retval None
EricLew 0:80ee8f3b695e 891 */
EricLew 0:80ee8f3b695e 892 __STATIC_INLINE void LL_I2C_EnableIT_NACK(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 893 {
EricLew 0:80ee8f3b695e 894 SET_BIT(I2Cx->CR1, I2C_CR1_NACKIE);
EricLew 0:80ee8f3b695e 895 }
EricLew 0:80ee8f3b695e 896
EricLew 0:80ee8f3b695e 897 /**
EricLew 0:80ee8f3b695e 898 * @brief Disable Not acknowledge received interrupt.
EricLew 0:80ee8f3b695e 899 * @rmtoll CR1 NACKIE LL_I2C_DisableIT_NACK
EricLew 0:80ee8f3b695e 900 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 901 * @retval None
EricLew 0:80ee8f3b695e 902 */
EricLew 0:80ee8f3b695e 903 __STATIC_INLINE void LL_I2C_DisableIT_NACK(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 904 {
EricLew 0:80ee8f3b695e 905 CLEAR_BIT(I2Cx->CR1, I2C_CR1_NACKIE);
EricLew 0:80ee8f3b695e 906 }
EricLew 0:80ee8f3b695e 907
EricLew 0:80ee8f3b695e 908 /**
EricLew 0:80ee8f3b695e 909 * @brief Check if Not acknowledge received interrupt is enabled or disabled.
EricLew 0:80ee8f3b695e 910 * @rmtoll CR1 NACKIE LL_I2C_IsEnabledIT_NACK
EricLew 0:80ee8f3b695e 911 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 912 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 913 */
EricLew 0:80ee8f3b695e 914 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_NACK(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 915 {
EricLew 0:80ee8f3b695e 916 return (READ_BIT(I2Cx->CR1, I2C_CR1_NACKIE) == (I2C_CR1_NACKIE));
EricLew 0:80ee8f3b695e 917 }
EricLew 0:80ee8f3b695e 918
EricLew 0:80ee8f3b695e 919 /**
EricLew 0:80ee8f3b695e 920 * @brief Enable STOP detection interrupt.
EricLew 0:80ee8f3b695e 921 * @rmtoll CR1 STOPIE LL_I2C_EnableIT_STOP
EricLew 0:80ee8f3b695e 922 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 923 * @retval None
EricLew 0:80ee8f3b695e 924 */
EricLew 0:80ee8f3b695e 925 __STATIC_INLINE void LL_I2C_EnableIT_STOP(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 926 {
EricLew 0:80ee8f3b695e 927 SET_BIT(I2Cx->CR1, I2C_CR1_STOPIE);
EricLew 0:80ee8f3b695e 928 }
EricLew 0:80ee8f3b695e 929
EricLew 0:80ee8f3b695e 930 /**
EricLew 0:80ee8f3b695e 931 * @brief Disable STOP detection interrupt.
EricLew 0:80ee8f3b695e 932 * @rmtoll CR1 STOPIE LL_I2C_DisableIT_STOP
EricLew 0:80ee8f3b695e 933 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 934 * @retval None
EricLew 0:80ee8f3b695e 935 */
EricLew 0:80ee8f3b695e 936 __STATIC_INLINE void LL_I2C_DisableIT_STOP(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 937 {
EricLew 0:80ee8f3b695e 938 CLEAR_BIT(I2Cx->CR1, I2C_CR1_STOPIE);
EricLew 0:80ee8f3b695e 939 }
EricLew 0:80ee8f3b695e 940
EricLew 0:80ee8f3b695e 941 /**
EricLew 0:80ee8f3b695e 942 * @brief Check if STOP detection interrupt is enabled or disabled.
EricLew 0:80ee8f3b695e 943 * @rmtoll CR1 STOPIE LL_I2C_IsEnabledIT_STOP
EricLew 0:80ee8f3b695e 944 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 945 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 946 */
EricLew 0:80ee8f3b695e 947 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_STOP(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 948 {
EricLew 0:80ee8f3b695e 949 return (READ_BIT(I2Cx->CR1, I2C_CR1_STOPIE) == (I2C_CR1_STOPIE));
EricLew 0:80ee8f3b695e 950 }
EricLew 0:80ee8f3b695e 951
EricLew 0:80ee8f3b695e 952 /**
EricLew 0:80ee8f3b695e 953 * @brief Enable Transfer Complete interrupt.
EricLew 0:80ee8f3b695e 954 * @note Any of these events will generate interrupt :
EricLew 0:80ee8f3b695e 955 * Transfer Complete (TC)
EricLew 0:80ee8f3b695e 956 * Transfer Complete Reload (TCR)
EricLew 0:80ee8f3b695e 957 * @rmtoll CR1 TCIE LL_I2C_EnableIT_TC
EricLew 0:80ee8f3b695e 958 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 959 * @retval None
EricLew 0:80ee8f3b695e 960 */
EricLew 0:80ee8f3b695e 961 __STATIC_INLINE void LL_I2C_EnableIT_TC(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 962 {
EricLew 0:80ee8f3b695e 963 SET_BIT(I2Cx->CR1, I2C_CR1_TCIE);
EricLew 0:80ee8f3b695e 964 }
EricLew 0:80ee8f3b695e 965
EricLew 0:80ee8f3b695e 966 /**
EricLew 0:80ee8f3b695e 967 * @brief Disable Transfer Complete interrupt.
EricLew 0:80ee8f3b695e 968 * @note Any of these events will generate interrupt :
EricLew 0:80ee8f3b695e 969 * Transfer Complete (TC)
EricLew 0:80ee8f3b695e 970 * Transfer Complete Reload (TCR)
EricLew 0:80ee8f3b695e 971 * @rmtoll CR1 TCIE LL_I2C_DisableIT_TC
EricLew 0:80ee8f3b695e 972 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 973 * @retval None
EricLew 0:80ee8f3b695e 974 */
EricLew 0:80ee8f3b695e 975 __STATIC_INLINE void LL_I2C_DisableIT_TC(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 976 {
EricLew 0:80ee8f3b695e 977 CLEAR_BIT(I2Cx->CR1, I2C_CR1_TCIE);
EricLew 0:80ee8f3b695e 978 }
EricLew 0:80ee8f3b695e 979
EricLew 0:80ee8f3b695e 980 /**
EricLew 0:80ee8f3b695e 981 * @brief Check if Transfer Complete interrupt is enabled or disabled.
EricLew 0:80ee8f3b695e 982 * @rmtoll CR1 TCIE LL_I2C_IsEnabledIT_TC
EricLew 0:80ee8f3b695e 983 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 984 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 985 */
EricLew 0:80ee8f3b695e 986 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TC(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 987 {
EricLew 0:80ee8f3b695e 988 return (READ_BIT(I2Cx->CR1, I2C_CR1_TCIE) == (I2C_CR1_TCIE));
EricLew 0:80ee8f3b695e 989 }
EricLew 0:80ee8f3b695e 990
EricLew 0:80ee8f3b695e 991 /**
EricLew 0:80ee8f3b695e 992 * @brief Enable Error interrupts.
EricLew 0:80ee8f3b695e 993 * @note Any of these errors will generate interrupt :
EricLew 0:80ee8f3b695e 994 * Arbitration Loss (ARLO)
EricLew 0:80ee8f3b695e 995 * Bus Error detection (BERR)
EricLew 0:80ee8f3b695e 996 * Overrun/Underrun (OVR)
EricLew 0:80ee8f3b695e 997 * @rmtoll CR1 ERRIE LL_I2C_EnableIT_ERR
EricLew 0:80ee8f3b695e 998 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 999 * @retval None
EricLew 0:80ee8f3b695e 1000 */
EricLew 0:80ee8f3b695e 1001 __STATIC_INLINE void LL_I2C_EnableIT_ERR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1002 {
EricLew 0:80ee8f3b695e 1003 SET_BIT(I2Cx->CR1, I2C_CR1_ERRIE);
EricLew 0:80ee8f3b695e 1004 }
EricLew 0:80ee8f3b695e 1005
EricLew 0:80ee8f3b695e 1006 /**
EricLew 0:80ee8f3b695e 1007 * @brief Disable Error interrupts.
EricLew 0:80ee8f3b695e 1008 * @note Any of these errors will generate interrupt :
EricLew 0:80ee8f3b695e 1009 * Arbitration Loss (ARLO)
EricLew 0:80ee8f3b695e 1010 * Bus Error detection (BERR)
EricLew 0:80ee8f3b695e 1011 * Overrun/Underrun (OVR)
EricLew 0:80ee8f3b695e 1012 * @rmtoll CR1 ERRIE LL_I2C_DisableIT_ERR
EricLew 0:80ee8f3b695e 1013 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1014 * @retval None
EricLew 0:80ee8f3b695e 1015 */
EricLew 0:80ee8f3b695e 1016 __STATIC_INLINE void LL_I2C_DisableIT_ERR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1017 {
EricLew 0:80ee8f3b695e 1018 CLEAR_BIT(I2Cx->CR1, I2C_CR1_ERRIE);
EricLew 0:80ee8f3b695e 1019 }
EricLew 0:80ee8f3b695e 1020
EricLew 0:80ee8f3b695e 1021 /**
EricLew 0:80ee8f3b695e 1022 * @brief Check if Error interrupts is enabled of disabled.
EricLew 0:80ee8f3b695e 1023 * @rmtoll CR1 ERRIE LL_I2C_IsEnabledIT_ERR
EricLew 0:80ee8f3b695e 1024 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1025 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1026 */
EricLew 0:80ee8f3b695e 1027 __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1028 {
EricLew 0:80ee8f3b695e 1029 return (READ_BIT(I2Cx->CR1, I2C_CR1_ERRIE) == (I2C_CR1_ERRIE));
EricLew 0:80ee8f3b695e 1030 }
EricLew 0:80ee8f3b695e 1031
EricLew 0:80ee8f3b695e 1032 /**
EricLew 0:80ee8f3b695e 1033 * @}
EricLew 0:80ee8f3b695e 1034 */
EricLew 0:80ee8f3b695e 1035
EricLew 0:80ee8f3b695e 1036 /** @defgroup I2C_LL_EF_FLAG_management FLAG_management
EricLew 0:80ee8f3b695e 1037 * @{
EricLew 0:80ee8f3b695e 1038 */
EricLew 0:80ee8f3b695e 1039
EricLew 0:80ee8f3b695e 1040 /**
EricLew 0:80ee8f3b695e 1041 * @brief Indicate the status of Transmit data register empty flag.
EricLew 0:80ee8f3b695e 1042 * RESET: When next data is written in Transmit data register.
EricLew 0:80ee8f3b695e 1043 * SET: When Transmit data register is empty.
EricLew 0:80ee8f3b695e 1044 * @rmtoll ISR TXE LL_I2C_IsActiveFlag_TXE
EricLew 0:80ee8f3b695e 1045 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1046 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1047 */
EricLew 0:80ee8f3b695e 1048 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1049 {
EricLew 0:80ee8f3b695e 1050 return (READ_BIT(I2Cx->ISR, I2C_ISR_TXE) == (I2C_ISR_TXE));
EricLew 0:80ee8f3b695e 1051 }
EricLew 0:80ee8f3b695e 1052
EricLew 0:80ee8f3b695e 1053 /**
EricLew 0:80ee8f3b695e 1054 * @brief Indicate the status of Transmit interrupt flag.
EricLew 0:80ee8f3b695e 1055 * RESET: When next data is written in Transmit data register.
EricLew 0:80ee8f3b695e 1056 * SET: When Transmit data register is empty.
EricLew 0:80ee8f3b695e 1057 * @rmtoll ISR TXIS LL_I2C_IsActiveFlag_TXIS
EricLew 0:80ee8f3b695e 1058 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1059 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1060 */
EricLew 0:80ee8f3b695e 1061 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1062 {
EricLew 0:80ee8f3b695e 1063 return (READ_BIT(I2Cx->ISR, I2C_ISR_TXIS) == (I2C_ISR_TXIS));
EricLew 0:80ee8f3b695e 1064 }
EricLew 0:80ee8f3b695e 1065
EricLew 0:80ee8f3b695e 1066 /**
EricLew 0:80ee8f3b695e 1067 * @brief Indicate the status of Receive data register not empty flag.
EricLew 0:80ee8f3b695e 1068 * RESET: When Receive data register is read.
EricLew 0:80ee8f3b695e 1069 * SET: When the received data is copied in Receive data register.
EricLew 0:80ee8f3b695e 1070 * @rmtoll ISR RXNE LL_I2C_IsActiveFlag_RXNE
EricLew 0:80ee8f3b695e 1071 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1072 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1073 */
EricLew 0:80ee8f3b695e 1074 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1075 {
EricLew 0:80ee8f3b695e 1076 return (READ_BIT(I2Cx->ISR, I2C_ISR_RXNE) == (I2C_ISR_RXNE));
EricLew 0:80ee8f3b695e 1077 }
EricLew 0:80ee8f3b695e 1078
EricLew 0:80ee8f3b695e 1079 /**
EricLew 0:80ee8f3b695e 1080 * @brief Indicate the status of Address matched flag (slave mode).
EricLew 0:80ee8f3b695e 1081 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1082 * SET: When the received slave address matched with one of the enabled slave address.
EricLew 0:80ee8f3b695e 1083 * @rmtoll ISR ADDR LL_I2C_IsActiveFlag_ADDR
EricLew 0:80ee8f3b695e 1084 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1085 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1086 */
EricLew 0:80ee8f3b695e 1087 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1088 {
EricLew 0:80ee8f3b695e 1089 return (READ_BIT(I2Cx->ISR, I2C_ISR_ADDR) == (I2C_ISR_ADDR));
EricLew 0:80ee8f3b695e 1090 }
EricLew 0:80ee8f3b695e 1091
EricLew 0:80ee8f3b695e 1092 /**
EricLew 0:80ee8f3b695e 1093 * @brief Indicate the status of Not Acknowledge received flag.
EricLew 0:80ee8f3b695e 1094 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1095 * SET: When a NACK is received after a byte transmission.
EricLew 0:80ee8f3b695e 1096 * @rmtoll ISR NACKF LL_I2C_IsActiveFlag_NACK
EricLew 0:80ee8f3b695e 1097 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1098 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1099 */
EricLew 0:80ee8f3b695e 1100 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1101 {
EricLew 0:80ee8f3b695e 1102 return (READ_BIT(I2Cx->ISR, I2C_ISR_NACKF) == (I2C_ISR_NACKF));
EricLew 0:80ee8f3b695e 1103 }
EricLew 0:80ee8f3b695e 1104
EricLew 0:80ee8f3b695e 1105 /**
EricLew 0:80ee8f3b695e 1106 * @brief Indicate the status of Stop detection flag.
EricLew 0:80ee8f3b695e 1107 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1108 * SET: When a Stop condition is detected.
EricLew 0:80ee8f3b695e 1109 * @rmtoll ISR STOPF LL_I2C_IsActiveFlag_STOP
EricLew 0:80ee8f3b695e 1110 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1111 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1112 */
EricLew 0:80ee8f3b695e 1113 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1114 {
EricLew 0:80ee8f3b695e 1115 return (READ_BIT(I2Cx->ISR, I2C_ISR_STOPF) == (I2C_ISR_STOPF));
EricLew 0:80ee8f3b695e 1116 }
EricLew 0:80ee8f3b695e 1117
EricLew 0:80ee8f3b695e 1118 /**
EricLew 0:80ee8f3b695e 1119 * @brief Indicate the status of Transfer complete flag (master mode).
EricLew 0:80ee8f3b695e 1120 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1121 * SET: When RELOAD=0, AUTOEND=0 and NBYTES date have been transferred.
EricLew 0:80ee8f3b695e 1122 * @rmtoll ISR TC LL_I2C_IsActiveFlag_TC
EricLew 0:80ee8f3b695e 1123 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1124 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1125 */
EricLew 0:80ee8f3b695e 1126 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1127 {
EricLew 0:80ee8f3b695e 1128 return (READ_BIT(I2Cx->ISR, I2C_ISR_TC) == (I2C_ISR_TC));
EricLew 0:80ee8f3b695e 1129 }
EricLew 0:80ee8f3b695e 1130
EricLew 0:80ee8f3b695e 1131 /**
EricLew 0:80ee8f3b695e 1132 * @brief Indicate the status of Transfer complete flag (master mode).
EricLew 0:80ee8f3b695e 1133 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1134 * SET: When RELOAD=1 and NBYTES date have been transferred.
EricLew 0:80ee8f3b695e 1135 * @rmtoll ISR TCR LL_I2C_IsActiveFlag_TCR
EricLew 0:80ee8f3b695e 1136 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1137 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1138 */
EricLew 0:80ee8f3b695e 1139 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1140 {
EricLew 0:80ee8f3b695e 1141 return (READ_BIT(I2Cx->ISR, I2C_ISR_TCR) == (I2C_ISR_TCR));
EricLew 0:80ee8f3b695e 1142 }
EricLew 0:80ee8f3b695e 1143
EricLew 0:80ee8f3b695e 1144 /**
EricLew 0:80ee8f3b695e 1145 * @brief Indicate the status of Bus error flag.
EricLew 0:80ee8f3b695e 1146 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1147 * SET: When a misplaced Start or Stop condition is detected.
EricLew 0:80ee8f3b695e 1148 * @rmtoll ISR BERR LL_I2C_IsActiveFlag_BERR
EricLew 0:80ee8f3b695e 1149 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1150 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1151 */
EricLew 0:80ee8f3b695e 1152 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1153 {
EricLew 0:80ee8f3b695e 1154 return (READ_BIT(I2Cx->ISR, I2C_ISR_BERR) == (I2C_ISR_BERR));
EricLew 0:80ee8f3b695e 1155 }
EricLew 0:80ee8f3b695e 1156
EricLew 0:80ee8f3b695e 1157 /**
EricLew 0:80ee8f3b695e 1158 * @brief Indicate the status of Arbitration lost flag.
EricLew 0:80ee8f3b695e 1159 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1160 * SET: When arbitration lost.
EricLew 0:80ee8f3b695e 1161 * @rmtoll ISR ARLO LL_I2C_IsActiveFlag_ARLO
EricLew 0:80ee8f3b695e 1162 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1163 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1164 */
EricLew 0:80ee8f3b695e 1165 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1166 {
EricLew 0:80ee8f3b695e 1167 return (READ_BIT(I2Cx->ISR, I2C_ISR_ARLO) == (I2C_ISR_ARLO));
EricLew 0:80ee8f3b695e 1168 }
EricLew 0:80ee8f3b695e 1169
EricLew 0:80ee8f3b695e 1170 /**
EricLew 0:80ee8f3b695e 1171 * @brief Indicate the status of Overrun/Underrun flag (slave mode).
EricLew 0:80ee8f3b695e 1172 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1173 * SET: When an overrun/underrun error occures (Clock Stretching Disabled).
EricLew 0:80ee8f3b695e 1174 * @rmtoll ISR OVR LL_I2C_IsActiveFlag_OVR
EricLew 0:80ee8f3b695e 1175 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1176 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1177 */
EricLew 0:80ee8f3b695e 1178 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1179 {
EricLew 0:80ee8f3b695e 1180 return (READ_BIT(I2Cx->ISR, I2C_ISR_OVR) == (I2C_ISR_OVR));
EricLew 0:80ee8f3b695e 1181 }
EricLew 0:80ee8f3b695e 1182
EricLew 0:80ee8f3b695e 1183 /**
EricLew 0:80ee8f3b695e 1184 * @brief Indicate the status of Bus Busy flag.
EricLew 0:80ee8f3b695e 1185 * RESET: Clear default value.
EricLew 0:80ee8f3b695e 1186 * SET: When a Start condition is detected.
EricLew 0:80ee8f3b695e 1187 * @rmtoll ISR BUSY LL_I2C_IsActiveFlag_BUSY
EricLew 0:80ee8f3b695e 1188 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1189 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 1190 */
EricLew 0:80ee8f3b695e 1191 __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1192 {
EricLew 0:80ee8f3b695e 1193 return (READ_BIT(I2Cx->ISR, I2C_ISR_BUSY) == (I2C_ISR_BUSY));
EricLew 0:80ee8f3b695e 1194 }
EricLew 0:80ee8f3b695e 1195
EricLew 0:80ee8f3b695e 1196 /**
EricLew 0:80ee8f3b695e 1197 * @brief Clear Address Matched flag.
EricLew 0:80ee8f3b695e 1198 * @rmtoll ICR ADDRCF LL_I2C_ClearFlag_ADDR
EricLew 0:80ee8f3b695e 1199 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1200 * @retval None
EricLew 0:80ee8f3b695e 1201 */
EricLew 0:80ee8f3b695e 1202 __STATIC_INLINE void LL_I2C_ClearFlag_ADDR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1203 {
EricLew 0:80ee8f3b695e 1204 SET_BIT(I2Cx->ICR, I2C_ICR_ADDRCF);
EricLew 0:80ee8f3b695e 1205 }
EricLew 0:80ee8f3b695e 1206
EricLew 0:80ee8f3b695e 1207 /**
EricLew 0:80ee8f3b695e 1208 * @brief Clear Not Acknowledge flag.
EricLew 0:80ee8f3b695e 1209 * @rmtoll ICR NACKCF LL_I2C_ClearFlag_NACK
EricLew 0:80ee8f3b695e 1210 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1211 * @retval None
EricLew 0:80ee8f3b695e 1212 */
EricLew 0:80ee8f3b695e 1213 __STATIC_INLINE void LL_I2C_ClearFlag_NACK(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1214 {
EricLew 0:80ee8f3b695e 1215 SET_BIT(I2Cx->ICR, I2C_ICR_NACKCF);
EricLew 0:80ee8f3b695e 1216 }
EricLew 0:80ee8f3b695e 1217
EricLew 0:80ee8f3b695e 1218 /**
EricLew 0:80ee8f3b695e 1219 * @brief Clear Stop detection flag.
EricLew 0:80ee8f3b695e 1220 * @rmtoll ICR STOPCF LL_I2C_ClearFlag_STOP
EricLew 0:80ee8f3b695e 1221 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1222 * @retval None
EricLew 0:80ee8f3b695e 1223 */
EricLew 0:80ee8f3b695e 1224 __STATIC_INLINE void LL_I2C_ClearFlag_STOP(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1225 {
EricLew 0:80ee8f3b695e 1226 SET_BIT(I2Cx->ICR, I2C_ICR_STOPCF);
EricLew 0:80ee8f3b695e 1227 }
EricLew 0:80ee8f3b695e 1228
EricLew 0:80ee8f3b695e 1229 /**
EricLew 0:80ee8f3b695e 1230 * @brief Clear Transmit data register empty flag (TXE).
EricLew 0:80ee8f3b695e 1231 * @note This bit can be clear by software in order to flush the transmit data register (TXDR).
EricLew 0:80ee8f3b695e 1232 * @rmtoll ISR TXE LL_I2C_ClearFlag_TXE
EricLew 0:80ee8f3b695e 1233 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1234 * @retval None
EricLew 0:80ee8f3b695e 1235 */
EricLew 0:80ee8f3b695e 1236 __STATIC_INLINE void LL_I2C_ClearFlag_TXE(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1237 {
EricLew 0:80ee8f3b695e 1238 I2Cx->ISR = I2C_ISR_TXE;
EricLew 0:80ee8f3b695e 1239 }
EricLew 0:80ee8f3b695e 1240
EricLew 0:80ee8f3b695e 1241 /**
EricLew 0:80ee8f3b695e 1242 * @brief Clear Bus error flag.
EricLew 0:80ee8f3b695e 1243 * @rmtoll ICR BERRCF LL_I2C_ClearFlag_BERR
EricLew 0:80ee8f3b695e 1244 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1245 * @retval None
EricLew 0:80ee8f3b695e 1246 */
EricLew 0:80ee8f3b695e 1247 __STATIC_INLINE void LL_I2C_ClearFlag_BERR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1248 {
EricLew 0:80ee8f3b695e 1249 SET_BIT(I2Cx->ICR, I2C_ICR_BERRCF);
EricLew 0:80ee8f3b695e 1250 }
EricLew 0:80ee8f3b695e 1251
EricLew 0:80ee8f3b695e 1252 /**
EricLew 0:80ee8f3b695e 1253 * @brief Clear Arbitration lost flag.
EricLew 0:80ee8f3b695e 1254 * @rmtoll ICR ARLOCF LL_I2C_ClearFlag_ARLO
EricLew 0:80ee8f3b695e 1255 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1256 * @retval None
EricLew 0:80ee8f3b695e 1257 */
EricLew 0:80ee8f3b695e 1258 __STATIC_INLINE void LL_I2C_ClearFlag_ARLO(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1259 {
EricLew 0:80ee8f3b695e 1260 SET_BIT(I2Cx->ICR, I2C_ICR_ARLOCF);
EricLew 0:80ee8f3b695e 1261 }
EricLew 0:80ee8f3b695e 1262
EricLew 0:80ee8f3b695e 1263 /**
EricLew 0:80ee8f3b695e 1264 * @brief Clear Overrun/Underrun flag.
EricLew 0:80ee8f3b695e 1265 * @rmtoll ICR OVRCF LL_I2C_ClearFlag_OVR
EricLew 0:80ee8f3b695e 1266 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1267 * @retval None
EricLew 0:80ee8f3b695e 1268 */
EricLew 0:80ee8f3b695e 1269 __STATIC_INLINE void LL_I2C_ClearFlag_OVR(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1270 {
EricLew 0:80ee8f3b695e 1271 SET_BIT(I2Cx->ICR, I2C_ICR_OVRCF);
EricLew 0:80ee8f3b695e 1272 }
EricLew 0:80ee8f3b695e 1273
EricLew 0:80ee8f3b695e 1274 /**
EricLew 0:80ee8f3b695e 1275 * @}
EricLew 0:80ee8f3b695e 1276 */
EricLew 0:80ee8f3b695e 1277
EricLew 0:80ee8f3b695e 1278 /** @defgroup I2C_LL_EF_Data_Management Data_Management
EricLew 0:80ee8f3b695e 1279 * @{
EricLew 0:80ee8f3b695e 1280 */
EricLew 0:80ee8f3b695e 1281
EricLew 0:80ee8f3b695e 1282 /**
EricLew 0:80ee8f3b695e 1283 * @brief Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte.
EricLew 0:80ee8f3b695e 1284 * @note Usage in Slave mode only.
EricLew 0:80ee8f3b695e 1285 * @rmtoll CR2 NACK LL_I2C_AcknowledgeNextData
EricLew 0:80ee8f3b695e 1286 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1287 * @param TypeAcknowledge This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 1288 * @arg @ref LL_I2C_ACK
EricLew 0:80ee8f3b695e 1289 * @arg @ref LL_I2C_NACK
EricLew 0:80ee8f3b695e 1290 * @retval None
EricLew 0:80ee8f3b695e 1291 */
EricLew 0:80ee8f3b695e 1292 __STATIC_INLINE void LL_I2C_AcknowledgeNextData(I2C_TypeDef* I2Cx, uint32_t TypeAcknowledge)
EricLew 0:80ee8f3b695e 1293 {
EricLew 0:80ee8f3b695e 1294 MODIFY_REG(I2Cx->CR2, I2C_CR2_NACK, TypeAcknowledge);
EricLew 0:80ee8f3b695e 1295 }
EricLew 0:80ee8f3b695e 1296
EricLew 0:80ee8f3b695e 1297 /**
EricLew 0:80ee8f3b695e 1298 * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set).
EricLew 0:80ee8f3b695e 1299 * @rmtoll CR2 SADD LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1300 * CR2 ADD10 LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1301 * CR2 RD_WRN LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1302 * CR2 START LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1303 * CR2 STOP LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1304 * CR2 RELOAD LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1305 * CR2 NBYTES LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1306 * CR2 AUTOEND LL_I2C_HandleTransfer\n
EricLew 0:80ee8f3b695e 1307 * CR2 HEAD10R LL_I2C_HandleTransfer
EricLew 0:80ee8f3b695e 1308 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1309 * @param SlaveAddr Specifies the slave address to be programmed.
EricLew 0:80ee8f3b695e 1310 * @param SlaveAddrSize This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 1311 * @arg @ref LL_I2C_ADDRSLAVE_7BIT
EricLew 0:80ee8f3b695e 1312 * @arg @ref LL_I2C_ADDRSLAVE_10BIT
EricLew 0:80ee8f3b695e 1313 * @param TransferSize Specifies the number of bytes to be programmed. This parameter must be a value between 0 and 255.
EricLew 0:80ee8f3b695e 1314 * @param EndMode This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 1315 * @arg @ref LL_I2C_MODE_RELOAD
EricLew 0:80ee8f3b695e 1316 * @arg @ref LL_I2C_MODE_AUTOEND
EricLew 0:80ee8f3b695e 1317 * @arg @ref LL_I2C_MODE_SOFTEND
EricLew 0:80ee8f3b695e 1318 * @param Request This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 1319 * @arg @ref LL_I2C_GENERATE_NOSTARTSTOP
EricLew 0:80ee8f3b695e 1320 * @arg @ref LL_I2C_GENERATE_STOP
EricLew 0:80ee8f3b695e 1321 * @arg @ref LL_I2C_GENERATE_START_READ
EricLew 0:80ee8f3b695e 1322 * @arg @ref LL_I2C_GENERATE_START_WRITE
EricLew 0:80ee8f3b695e 1323 * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_READ
EricLew 0:80ee8f3b695e 1324 * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_WRITE
EricLew 0:80ee8f3b695e 1325 * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_READ
EricLew 0:80ee8f3b695e 1326 * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_WRITE
EricLew 0:80ee8f3b695e 1327 * @retval None
EricLew 0:80ee8f3b695e 1328 */
EricLew 0:80ee8f3b695e 1329 __STATIC_INLINE void LL_I2C_HandleTransfer(I2C_TypeDef* I2Cx, uint32_t SlaveAddr, uint32_t SlaveAddrSize, uint32_t TransferSize, uint32_t EndMode, uint32_t Request)
EricLew 0:80ee8f3b695e 1330 {
EricLew 0:80ee8f3b695e 1331 MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD | I2C_CR2_ADD10 | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_RELOAD | I2C_CR2_NBYTES | I2C_CR2_AUTOEND | I2C_CR2_HEAD10R,
EricLew 0:80ee8f3b695e 1332 SlaveAddr | SlaveAddrSize | TransferSize << POSITION_VAL(I2C_CR2_NBYTES) | EndMode | Request);
EricLew 0:80ee8f3b695e 1333 }
EricLew 0:80ee8f3b695e 1334
EricLew 0:80ee8f3b695e 1335 /**
EricLew 0:80ee8f3b695e 1336 * @brief Indicate the value of transfer direction (slave mode).
EricLew 0:80ee8f3b695e 1337 * RESET: Write transfer, Slave enters in receiver mode.
EricLew 0:80ee8f3b695e 1338 * SET: Read transfer, Slave enters in transmitter mode.
EricLew 0:80ee8f3b695e 1339 * @rmtoll ISR DIR LL_I2C_GetTransferDirection
EricLew 0:80ee8f3b695e 1340 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1341 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 1342 * @arg @ref LL_I2C_DIRECTION_WRITE
EricLew 0:80ee8f3b695e 1343 * @arg @ref LL_I2C_DIRECTION_READ
EricLew 0:80ee8f3b695e 1344 */
EricLew 0:80ee8f3b695e 1345 __STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1346 {
EricLew 0:80ee8f3b695e 1347 return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_DIR));
EricLew 0:80ee8f3b695e 1348 }
EricLew 0:80ee8f3b695e 1349
EricLew 0:80ee8f3b695e 1350 /**
EricLew 0:80ee8f3b695e 1351 * @brief Return the slave matched address.
EricLew 0:80ee8f3b695e 1352 * @rmtoll ISR ADDCODE LL_I2C_GetAddressMatchCode
EricLew 0:80ee8f3b695e 1353 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1354 * @retval 0..0x3F
EricLew 0:80ee8f3b695e 1355 */
EricLew 0:80ee8f3b695e 1356 __STATIC_INLINE uint32_t LL_I2C_GetAddressMatchCode(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1357 {
EricLew 0:80ee8f3b695e 1358 return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_ADDCODE) >> POSITION_VAL(I2C_ISR_ADDCODE) << 1);
EricLew 0:80ee8f3b695e 1359 }
EricLew 0:80ee8f3b695e 1360
EricLew 0:80ee8f3b695e 1361 /**
EricLew 0:80ee8f3b695e 1362 * @brief Read Receive Data register.
EricLew 0:80ee8f3b695e 1363 * @rmtoll RXDR RXDATA LL_I2C_ReceiveData8
EricLew 0:80ee8f3b695e 1364 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1365 * @retval 0..0xFF
EricLew 0:80ee8f3b695e 1366 */
EricLew 0:80ee8f3b695e 1367 __STATIC_INLINE uint8_t LL_I2C_ReceiveData8(I2C_TypeDef* I2Cx)
EricLew 0:80ee8f3b695e 1368 {
EricLew 0:80ee8f3b695e 1369 return (uint8_t)(READ_BIT(I2Cx->RXDR, I2C_RXDR_RXDATA));
EricLew 0:80ee8f3b695e 1370 }
EricLew 0:80ee8f3b695e 1371
EricLew 0:80ee8f3b695e 1372 /**
EricLew 0:80ee8f3b695e 1373 * @brief Write in Transmit Data Register .
EricLew 0:80ee8f3b695e 1374 * @rmtoll TXDR TXDATA LL_I2C_TransmitData8
EricLew 0:80ee8f3b695e 1375 * @param I2Cx I2C Instance.
EricLew 0:80ee8f3b695e 1376 * @param Data 0..0xFF
EricLew 0:80ee8f3b695e 1377 * @retval None
EricLew 0:80ee8f3b695e 1378 */
EricLew 0:80ee8f3b695e 1379 __STATIC_INLINE void LL_I2C_TransmitData8(I2C_TypeDef* I2Cx, uint8_t Data)
EricLew 0:80ee8f3b695e 1380 {
EricLew 0:80ee8f3b695e 1381 WRITE_REG(I2Cx->TXDR, Data);
EricLew 0:80ee8f3b695e 1382 }
EricLew 0:80ee8f3b695e 1383
EricLew 0:80ee8f3b695e 1384 /**
EricLew 0:80ee8f3b695e 1385 * @}
EricLew 0:80ee8f3b695e 1386 */
EricLew 0:80ee8f3b695e 1387
EricLew 0:80ee8f3b695e 1388
EricLew 0:80ee8f3b695e 1389 /**
EricLew 0:80ee8f3b695e 1390 * @}
EricLew 0:80ee8f3b695e 1391 */
EricLew 0:80ee8f3b695e 1392
EricLew 0:80ee8f3b695e 1393 /**
EricLew 0:80ee8f3b695e 1394 * @}
EricLew 0:80ee8f3b695e 1395 */
EricLew 0:80ee8f3b695e 1396
EricLew 0:80ee8f3b695e 1397 #endif /* I2C1 || I2C2 || I2C3 */
EricLew 0:80ee8f3b695e 1398
EricLew 0:80ee8f3b695e 1399 /**
EricLew 0:80ee8f3b695e 1400 * @}
EricLew 0:80ee8f3b695e 1401 */
EricLew 0:80ee8f3b695e 1402
EricLew 0:80ee8f3b695e 1403 #ifdef __cplusplus
EricLew 0:80ee8f3b695e 1404 }
EricLew 0:80ee8f3b695e 1405 #endif
EricLew 0:80ee8f3b695e 1406
EricLew 0:80ee8f3b695e 1407 #endif /* __STM32L4xx_LL_I2C_H */
EricLew 0:80ee8f3b695e 1408
EricLew 0:80ee8f3b695e 1409 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
EricLew 0:80ee8f3b695e 1410