diff options
Diffstat (limited to 'bsps/arm/stm32h7/include/stm32h7xx_ll_i2c.h')
| -rw-r--r-- | bsps/arm/stm32h7/include/stm32h7xx_ll_i2c.h | 392 |
1 files changed, 218 insertions, 174 deletions
diff --git a/bsps/arm/stm32h7/include/stm32h7xx_ll_i2c.h b/bsps/arm/stm32h7/include/stm32h7xx_ll_i2c.h index e3062af5e8..44320efce1 100644 --- a/bsps/arm/stm32h7/include/stm32h7xx_ll_i2c.h +++ b/bsps/arm/stm32h7/include/stm32h7xx_ll_i2c.h @@ -6,13 +6,12 @@ ****************************************************************************** * @attention * - * <h2><center>© Copyright (c) 2017 STMicroelectronics. - * All rights reserved.</center></h2> + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. * - * This software component is licensed by ST under BSD 3-Clause license, - * the "License"; You may not use this file except in compliance with the - * License. You may obtain a copy of the License at: - * opensource.org/licenses/BSD-3-Clause + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ @@ -32,7 +31,7 @@ extern "C" { * @{ */ -#if defined (I2C1) || defined (I2C2) || defined (I2C3) || defined (I2C4) +#if defined (I2C1) || defined (I2C2) || defined (I2C3) || defined (I2C4) || defined (I2C5) /** @defgroup I2C_LL I2C * @ingroup RTEMSBSPsARMSTM32H7 @@ -71,40 +70,48 @@ extern "C" { typedef struct { uint32_t PeripheralMode; /*!< Specifies the peripheral mode. - This parameter can be a value of @ref I2C_LL_EC_PERIPHERAL_MODE + This parameter can be a value of @ref I2C_LL_EC_PERIPHERAL_MODE. - This feature can be modified afterwards using unitary function @ref LL_I2C_SetMode(). */ + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetMode(). */ uint32_t Timing; /*!< Specifies the SDA setup, hold time and the SCL high, low period values. This parameter must be set by referring to the STM32CubeMX Tool and - the helper macro @ref __LL_I2C_CONVERT_TIMINGS() + the helper macro @ref __LL_I2C_CONVERT_TIMINGS(). - This feature can be modified afterwards using unitary function @ref LL_I2C_SetTiming(). */ + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetTiming(). */ uint32_t AnalogFilter; /*!< Enables or disables analog noise filter. - This parameter can be a value of @ref I2C_LL_EC_ANALOGFILTER_SELECTION + This parameter can be a value of @ref I2C_LL_EC_ANALOGFILTER_SELECTION. - This feature can be modified afterwards using unitary functions @ref LL_I2C_EnableAnalogFilter() or LL_I2C_DisableAnalogFilter(). */ + This feature can be modified afterwards using unitary functions + @ref LL_I2C_EnableAnalogFilter() or LL_I2C_DisableAnalogFilter(). */ uint32_t DigitalFilter; /*!< Configures the digital noise filter. - This parameter can be a number between Min_Data = 0x00 and Max_Data = 0x0F + This parameter can be a number between Min_Data = 0x00 and Max_Data = 0x0F. - This feature can be modified afterwards using unitary function @ref LL_I2C_SetDigitalFilter(). */ + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetDigitalFilter(). */ uint32_t OwnAddress1; /*!< Specifies the device own address 1. - This parameter must be a value between Min_Data = 0x00 and Max_Data = 0x3FF + This parameter must be a value between Min_Data = 0x00 and Max_Data = 0x3FF. - This feature can be modified afterwards using unitary function @ref LL_I2C_SetOwnAddress1(). */ + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetOwnAddress1(). */ - uint32_t TypeAcknowledge; /*!< Specifies the ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte. - This parameter can be a value of @ref I2C_LL_EC_I2C_ACKNOWLEDGE + uint32_t TypeAcknowledge; /*!< Specifies the ACKnowledge or Non ACKnowledge condition after the address receive + match code or next received byte. + This parameter can be a value of @ref I2C_LL_EC_I2C_ACKNOWLEDGE. - This feature can be modified afterwards using unitary function @ref LL_I2C_AcknowledgeNextData(). */ + This feature can be modified afterwards using unitary function + @ref LL_I2C_AcknowledgeNextData(). */ uint32_t OwnAddrSize; /*!< Specifies the device own address 1 size (7-bit or 10-bit). - This parameter can be a value of @ref I2C_LL_EC_OWNADDRESS1 + This parameter can be a value of @ref I2C_LL_EC_OWNADDRESS1. - This feature can be modified afterwards using unitary function @ref LL_I2C_SetOwnAddress1(). */ + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetOwnAddress1(). */ } LL_I2C_InitTypeDef; /** * @} @@ -179,10 +186,11 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_MODE_I2C 0x00000000U /*!< I2C Master or Slave mode */ -#define LL_I2C_MODE_SMBUS_HOST I2C_CR1_SMBHEN /*!< SMBus Host address acknowledge */ -#define LL_I2C_MODE_SMBUS_DEVICE 0x00000000U /*!< SMBus Device default mode (Default address not acknowledge) */ -#define LL_I2C_MODE_SMBUS_DEVICE_ARP I2C_CR1_SMBDEN /*!< SMBus Device Default address acknowledge */ +#define LL_I2C_MODE_I2C 0x00000000U /*!< I2C Master or Slave mode */ +#define LL_I2C_MODE_SMBUS_HOST I2C_CR1_SMBHEN /*!< SMBus Host address acknowledge */ +#define LL_I2C_MODE_SMBUS_DEVICE 0x00000000U /*!< SMBus Device default mode + (Default address not acknowledge) */ +#define LL_I2C_MODE_SMBUS_DEVICE_ARP I2C_CR1_SMBDEN /*!< SMBus Device Default address acknowledge */ /** * @} */ @@ -221,14 +229,15 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK /*!< Own Address2 No mask. */ -#define LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01 /*!< Only Address2 bits[7:2] are compared. */ -#define LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02 /*!< Only Address2 bits[7:3] are compared. */ -#define LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03 /*!< Only Address2 bits[7:4] are compared. */ -#define LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04 /*!< Only Address2 bits[7:5] are compared. */ -#define LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05 /*!< Only Address2 bits[7:6] are compared. */ -#define LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06 /*!< Only Address2 bits[7] are compared. */ -#define LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07 /*!< No comparison is done. All Address2 are acknowledged.*/ +#define LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK /*!< Own Address2 No mask. */ +#define LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01 /*!< Only Address2 bits[7:2] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02 /*!< Only Address2 bits[7:3] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03 /*!< Only Address2 bits[7:4] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04 /*!< Only Address2 bits[7:5] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05 /*!< Only Address2 bits[7:6] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06 /*!< Only Address2 bits[7] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07 /*!< No comparison is done. + All Address2 are acknowledged. */ /** * @} */ @@ -267,14 +276,21 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_MODE_RELOAD I2C_CR2_RELOAD /*!< Enable I2C Reload mode. */ -#define LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND /*!< Enable I2C Automatic end mode with no HW PEC comparison. */ -#define LL_I2C_MODE_SOFTEND 0x00000000U /*!< Enable I2C Software end mode with no HW PEC comparison. */ -#define LL_I2C_MODE_SMBUS_RELOAD LL_I2C_MODE_RELOAD /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */ -#define LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC LL_I2C_MODE_AUTOEND /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */ -#define LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC LL_I2C_MODE_SOFTEND /*!< Enable SMBUS Software end mode with HW PEC comparison. */ -#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. */ -#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. */ +#define LL_I2C_MODE_RELOAD I2C_CR2_RELOAD /*!< Enable I2C Reload mode. */ +#define LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND /*!< Enable I2C Automatic end mode + with no HW PEC comparison. */ +#define LL_I2C_MODE_SOFTEND 0x00000000U /*!< Enable I2C Software end mode + with no HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_RELOAD LL_I2C_MODE_RELOAD /*!< Enable SMBUS Automatic end mode + with HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC LL_I2C_MODE_AUTOEND /*!< Enable SMBUS Automatic end mode + with HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC LL_I2C_MODE_SOFTEND /*!< Enable SMBUS Software end mode + with HW PEC comparison. */ +#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. */ +#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. */ /** * @} */ @@ -283,14 +299,23 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_GENERATE_NOSTARTSTOP 0x00000000U /*!< Don't Generate Stop and Start condition. */ -#define LL_I2C_GENERATE_STOP (uint32_t)(0x80000000U | I2C_CR2_STOP) /*!< Generate Stop condition (Size should be set to 0). */ -#define LL_I2C_GENERATE_START_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) /*!< Generate Start for read request. */ -#define LL_I2C_GENERATE_START_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) /*!< Generate Start for write request. */ -#define LL_I2C_GENERATE_RESTART_7BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) /*!< Generate Restart for read request, slave 7Bit address. */ -#define LL_I2C_GENERATE_RESTART_7BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) /*!< Generate Restart for write request, slave 7Bit address. */ -#define LL_I2C_GENERATE_RESTART_10BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN | I2C_CR2_HEAD10R) /*!< Generate Restart for read request, slave 10Bit address. */ -#define LL_I2C_GENERATE_RESTART_10BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) /*!< Generate Restart for write request, slave 10Bit address.*/ +#define LL_I2C_GENERATE_NOSTARTSTOP 0x00000000U +/*!< Don't Generate Stop and Start condition. */ +#define LL_I2C_GENERATE_STOP (uint32_t)(0x80000000U | I2C_CR2_STOP) +/*!< Generate Stop condition (Size should be set to 0). */ +#define LL_I2C_GENERATE_START_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) +/*!< Generate Start for read request. */ +#define LL_I2C_GENERATE_START_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) +/*!< Generate Start for write request. */ +#define LL_I2C_GENERATE_RESTART_7BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) +/*!< Generate Restart for read request, slave 7Bit address. */ +#define LL_I2C_GENERATE_RESTART_7BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) +/*!< Generate Restart for write request, slave 7Bit address. */ +#define LL_I2C_GENERATE_RESTART_10BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | \ + I2C_CR2_RD_WRN | I2C_CR2_HEAD10R) +/*!< Generate Restart for read request, slave 10Bit address. */ +#define LL_I2C_GENERATE_RESTART_10BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) +/*!< Generate Restart for write request, slave 10Bit address.*/ /** * @} */ @@ -299,8 +324,10 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_DIRECTION_WRITE 0x00000000U /*!< Write transfer request by master, slave enters receiver mode. */ -#define LL_I2C_DIRECTION_READ I2C_ISR_DIR /*!< Read transfer request by master, slave enters transmitter mode.*/ +#define LL_I2C_DIRECTION_WRITE 0x00000000U /*!< Write transfer request by master, + slave enters receiver mode. */ +#define LL_I2C_DIRECTION_READ I2C_ISR_DIR /*!< Read transfer request by master, + slave enters transmitter mode.*/ /** * @} */ @@ -309,8 +336,10 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for transmission */ -#define LL_I2C_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for reception */ +#define LL_I2C_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for + transmission */ +#define LL_I2C_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for + reception */ /** * @} */ @@ -319,8 +348,10 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW 0x00000000U /*!< TimeoutA is used to detect SCL low level timeout. */ -#define LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH I2C_TIMEOUTR_TIDLE /*!< TimeoutA is used to detect both SCL and SDA high level timeout.*/ +#define LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW 0x00000000U /*!< TimeoutA is used to detect + SCL low level timeout. */ +#define LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH I2C_TIMEOUTR_TIDLE /*!< TimeoutA is used to detect + both SCL and SDA high level timeout.*/ /** * @} */ @@ -329,9 +360,12 @@ typedef struct * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ -#define LL_I2C_SMBUS_TIMEOUTA I2C_TIMEOUTR_TIMOUTEN /*!< TimeoutA enable bit */ -#define LL_I2C_SMBUS_TIMEOUTB I2C_TIMEOUTR_TEXTEN /*!< TimeoutB (extended clock) enable bit */ -#define LL_I2C_SMBUS_ALL_TIMEOUT (uint32_t)(I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN) /*!< TimeoutA and TimeoutB (extended clock) enable bits */ +#define LL_I2C_SMBUS_TIMEOUTA I2C_TIMEOUTR_TIMOUTEN /*!< TimeoutA enable bit */ +#define LL_I2C_SMBUS_TIMEOUTB I2C_TIMEOUTR_TEXTEN /*!< TimeoutB (extended clock) + enable bit */ +#define LL_I2C_SMBUS_ALL_TIMEOUT (uint32_t)(I2C_TIMEOUTR_TIMOUTEN | \ + I2C_TIMEOUTR_TEXTEN) /*!< TimeoutA and TimeoutB +(extended clock) enable bits */ /** * @} */ @@ -378,18 +412,22 @@ typedef struct /** * @brief Configure the SDA setup, hold time and the SCL high, low period. * @param __PRESCALER__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. - * @param __DATA_SETUP_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. (tscldel = (SCLDEL+1)xtpresc) - * @param __DATA_HOLD_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. (tsdadel = SDADELxtpresc) - * @param __CLOCK_HIGH_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. (tsclh = (SCLH+1)xtpresc) - * @param __CLOCK_LOW_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. (tscll = (SCLL+1)xtpresc) + * @param __SETUP_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. + (tscldel = (SCLDEL+1)xtpresc) + * @param __HOLD_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. + (tsdadel = SDADELxtpresc) + * @param __SCLH_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. + (tsclh = (SCLH+1)xtpresc) + * @param __SCLL_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. + (tscll = (SCLL+1)xtpresc) * @retval Value between Min_Data=0 and Max_Data=0xFFFFFFFF */ -#define __LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __DATA_SETUP_TIME__, __DATA_HOLD_TIME__, __CLOCK_HIGH_PERIOD__, __CLOCK_LOW_PERIOD__) \ - ((((uint32_t)(__PRESCALER__) << I2C_TIMINGR_PRESC_Pos) & I2C_TIMINGR_PRESC) | \ - (((uint32_t)(__DATA_SETUP_TIME__) << I2C_TIMINGR_SCLDEL_Pos) & I2C_TIMINGR_SCLDEL) | \ - (((uint32_t)(__DATA_HOLD_TIME__) << I2C_TIMINGR_SDADEL_Pos) & I2C_TIMINGR_SDADEL) | \ - (((uint32_t)(__CLOCK_HIGH_PERIOD__) << I2C_TIMINGR_SCLH_Pos) & I2C_TIMINGR_SCLH) | \ - (((uint32_t)(__CLOCK_LOW_PERIOD__) << I2C_TIMINGR_SCLL_Pos) & I2C_TIMINGR_SCLL)) +#define __LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __SETUP_TIME__, __HOLD_TIME__, __SCLH_PERIOD__, __SCLL_PERIOD__) \ + ((((uint32_t)(__PRESCALER__) << I2C_TIMINGR_PRESC_Pos) & I2C_TIMINGR_PRESC) | \ + (((uint32_t)(__SETUP_TIME__) << I2C_TIMINGR_SCLDEL_Pos) & I2C_TIMINGR_SCLDEL) | \ + (((uint32_t)(__HOLD_TIME__) << I2C_TIMINGR_SDADEL_Pos) & I2C_TIMINGR_SDADEL) | \ + (((uint32_t)(__SCLH_PERIOD__) << I2C_TIMINGR_SCLH_Pos) & I2C_TIMINGR_SCLH) | \ + (((uint32_t)(__SCLL_PERIOD__) << I2C_TIMINGR_SCLL_Pos) & I2C_TIMINGR_SCLL)) /** * @} */ @@ -440,7 +478,7 @@ __STATIC_INLINE void LL_I2C_Disable(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabled(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabled(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_PE) == (I2C_CR1_PE)) ? 1UL : 0UL); } @@ -455,7 +493,8 @@ __STATIC_INLINE uint32_t LL_I2C_IsEnabled(I2C_TypeDef *I2Cx) * @param AnalogFilter This parameter can be one of the following values: * @arg @ref LL_I2C_ANALOGFILTER_ENABLE * @arg @ref LL_I2C_ANALOGFILTER_DISABLE - * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) and Max_Data=0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk). + * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) + and Max_Data=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. * @retval None @@ -471,7 +510,8 @@ __STATIC_INLINE void LL_I2C_ConfigFilters(I2C_TypeDef *I2Cx, uint32_t AnalogFilt * This filter can only be programmed when the I2C is disabled (PE = 0). * @rmtoll CR1 DNF LL_I2C_SetDigitalFilter * @param I2Cx I2C Instance. - * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) and Max_Data=0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk). + * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) + and Max_Data=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. * @retval None @@ -487,7 +527,7 @@ __STATIC_INLINE void LL_I2C_SetDigitalFilter(I2C_TypeDef *I2Cx, uint32_t Digital * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x0 and Max_Data=0xF */ -__STATIC_INLINE uint32_t LL_I2C_GetDigitalFilter(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetDigitalFilter(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_DNF) >> I2C_CR1_DNF_Pos); } @@ -522,7 +562,7 @@ __STATIC_INLINE void LL_I2C_DisableAnalogFilter(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledAnalogFilter(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAnalogFilter(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_ANFOFF) != (I2C_CR1_ANFOFF)) ? 1UL : 0UL); } @@ -555,7 +595,7 @@ __STATIC_INLINE void LL_I2C_DisableDMAReq_TX(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_TX(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_TX(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN) == (I2C_CR1_TXDMAEN)) ? 1UL : 0UL); } @@ -588,7 +628,7 @@ __STATIC_INLINE void LL_I2C_DisableDMAReq_RX(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN) == (I2C_CR1_RXDMAEN)) ? 1UL : 0UL); } @@ -603,19 +643,19 @@ __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(I2C_TypeDef *I2Cx) * @arg @ref LL_I2C_DMA_REG_DATA_RECEIVE * @retval Address of data register */ -__STATIC_INLINE uint32_t LL_I2C_DMA_GetRegAddr(I2C_TypeDef *I2Cx, uint32_t Direction) +__STATIC_INLINE uint32_t LL_I2C_DMA_GetRegAddr(const I2C_TypeDef *I2Cx, uint32_t Direction) { - register uint32_t data_reg_addr; + uint32_t data_reg_addr; if (Direction == LL_I2C_DMA_REG_DATA_TRANSMIT) { /* return address of TXDR register */ - data_reg_addr = (uint32_t) & (I2Cx->TXDR); + data_reg_addr = (uint32_t) &(I2Cx->TXDR); } else { /* return address of RXDR register */ - data_reg_addr = (uint32_t) & (I2Cx->RXDR); + data_reg_addr = (uint32_t) &(I2Cx->RXDR); } return data_reg_addr; @@ -651,7 +691,7 @@ __STATIC_INLINE void LL_I2C_DisableClockStretching(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledClockStretching(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledClockStretching(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH) != (I2C_CR1_NOSTRETCH)) ? 1UL : 0UL); } @@ -684,14 +724,14 @@ __STATIC_INLINE void LL_I2C_DisableSlaveByteControl(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledSlaveByteControl(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSlaveByteControl(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_SBC) == (I2C_CR1_SBC)) ? 1UL : 0UL); } /** * @brief Enable Wakeup from STOP. - * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not * WakeUpFromStop feature is supported by the I2Cx Instance. * @note This bit can only be programmed when Digital Filter is disabled. * @rmtoll CR1 WUPEN LL_I2C_EnableWakeUpFromStop @@ -705,7 +745,7 @@ __STATIC_INLINE void LL_I2C_EnableWakeUpFromStop(I2C_TypeDef *I2Cx) /** * @brief Disable Wakeup from STOP. - * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not * WakeUpFromStop feature is supported by the I2Cx Instance. * @rmtoll CR1 WUPEN LL_I2C_DisableWakeUpFromStop * @param I2Cx I2C Instance. @@ -718,13 +758,13 @@ __STATIC_INLINE void LL_I2C_DisableWakeUpFromStop(I2C_TypeDef *I2Cx) /** * @brief Check if Wakeup from STOP is enabled or disabled. - * @note Macro @ref IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not * WakeUpFromStop feature is supported by the I2Cx Instance. * @rmtoll CR1 WUPEN LL_I2C_IsEnabledWakeUpFromStop * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledWakeUpFromStop(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledWakeUpFromStop(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_WUPEN) == (I2C_CR1_WUPEN)) ? 1UL : 0UL); } @@ -759,7 +799,7 @@ __STATIC_INLINE void LL_I2C_DisableGeneralCall(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledGeneralCall(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledGeneralCall(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_GCEN) == (I2C_CR1_GCEN)) ? 1UL : 0UL); } @@ -787,7 +827,7 @@ __STATIC_INLINE void LL_I2C_SetMasterAddressingMode(I2C_TypeDef *I2Cx, uint32_t * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT */ -__STATIC_INLINE uint32_t LL_I2C_GetMasterAddressingMode(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetMasterAddressingMode(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_ADD10)); } @@ -836,7 +876,7 @@ __STATIC_INLINE void LL_I2C_DisableOwnAddress1(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress1(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress1(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN) == (I2C_OAR1_OA1EN)) ? 1UL : 0UL); } @@ -892,7 +932,7 @@ __STATIC_INLINE void LL_I2C_DisableOwnAddress2(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress2(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress2(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN) == (I2C_OAR2_OA2EN)) ? 1UL : 0UL); } @@ -917,7 +957,7 @@ __STATIC_INLINE void LL_I2C_SetTiming(I2C_TypeDef *I2Cx, uint32_t Timing) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x0 and Max_Data=0xF */ -__STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_PRESC) >> I2C_TIMINGR_PRESC_Pos); } @@ -928,7 +968,7 @@ __STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x00 and Max_Data=0xFF */ -__STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLL) >> I2C_TIMINGR_SCLL_Pos); } @@ -939,7 +979,7 @@ __STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x00 and Max_Data=0xFF */ -__STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLH) >> I2C_TIMINGR_SCLH_Pos); } @@ -950,7 +990,7 @@ __STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x0 and Max_Data=0xF */ -__STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SDADEL) >> I2C_TIMINGR_SDADEL_Pos); } @@ -961,14 +1001,14 @@ __STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x0 and Max_Data=0xF */ -__STATIC_INLINE uint32_t LL_I2C_GetDataSetupTime(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetDataSetupTime(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLDEL) >> I2C_TIMINGR_SCLDEL_Pos); } /** * @brief Configure peripheral mode. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll CR1 SMBHEN LL_I2C_SetMode\n * CR1 SMBDEN LL_I2C_SetMode @@ -987,7 +1027,7 @@ __STATIC_INLINE void LL_I2C_SetMode(I2C_TypeDef *I2Cx, uint32_t PeripheralMode) /** * @brief Get peripheral mode. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll CR1 SMBHEN LL_I2C_GetMode\n * CR1 SMBDEN LL_I2C_GetMode @@ -998,14 +1038,14 @@ __STATIC_INLINE void LL_I2C_SetMode(I2C_TypeDef *I2Cx, uint32_t PeripheralMode) * @arg @ref LL_I2C_MODE_SMBUS_DEVICE * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP */ -__STATIC_INLINE uint32_t LL_I2C_GetMode(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetMode(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN)); } /** * @brief Enable SMBus alert (Host or Device mode) - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note SMBus Device mode: * - SMBus Alert pin is drived low and @@ -1023,7 +1063,7 @@ __STATIC_INLINE void LL_I2C_EnableSMBusAlert(I2C_TypeDef *I2Cx) /** * @brief Disable SMBus alert (Host or Device mode) - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note SMBus Device mode: * - SMBus Alert pin is not drived (can be used as a standard GPIO) and @@ -1041,20 +1081,20 @@ __STATIC_INLINE void LL_I2C_DisableSMBusAlert(I2C_TypeDef *I2Cx) /** * @brief Check if SMBus alert (Host or Device mode) is enabled or disabled. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll CR1 ALERTEN LL_I2C_IsEnabledSMBusAlert * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusAlert(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusAlert(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_ALERTEN) == (I2C_CR1_ALERTEN)) ? 1UL : 0UL); } /** * @brief Enable SMBus Packet Error Calculation (PEC). - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll CR1 PECEN LL_I2C_EnableSMBusPEC * @param I2Cx I2C Instance. @@ -1067,7 +1107,7 @@ __STATIC_INLINE void LL_I2C_EnableSMBusPEC(I2C_TypeDef *I2Cx) /** * @brief Disable SMBus Packet Error Calculation (PEC). - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll CR1 PECEN LL_I2C_DisableSMBusPEC * @param I2Cx I2C Instance. @@ -1080,20 +1120,20 @@ __STATIC_INLINE void LL_I2C_DisableSMBusPEC(I2C_TypeDef *I2Cx) /** * @brief Check if SMBus Packet Error Calculation (PEC) is enabled or disabled. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll CR1 PECEN LL_I2C_IsEnabledSMBusPEC * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPEC(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPEC(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_PECEN) == (I2C_CR1_PECEN)) ? 1UL : 0UL); } /** * @brief Configure the SMBus Clock Timeout. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note This configuration can only be programmed when associated Timeout is disabled (TimeoutA and/orTimeoutB). * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_ConfigSMBusTimeout\n @@ -1116,7 +1156,7 @@ __STATIC_INLINE void LL_I2C_ConfigSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t Timeo /** * @brief Configure the SMBus Clock TimeoutA (SCL low timeout or SCL and SDA high timeout depends on TimeoutA mode). - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note These bits can only be programmed when TimeoutA is disabled. * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_SetSMBusTimeoutA @@ -1131,20 +1171,20 @@ __STATIC_INLINE void LL_I2C_SetSMBusTimeoutA(I2C_TypeDef *I2Cx, uint32_t Timeout /** * @brief Get the SMBus Clock TimeoutA setting. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_GetSMBusTimeoutA * @param I2Cx I2C Instance. * @retval Value between Min_Data=0 and Max_Data=0xFFF */ -__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutA(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutA(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA)); } /** * @brief Set the SMBus Clock TimeoutA mode. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note This bit can only be programmed when TimeoutA is disabled. * @rmtoll TIMEOUTR TIDLE LL_I2C_SetSMBusTimeoutAMode @@ -1161,7 +1201,7 @@ __STATIC_INLINE void LL_I2C_SetSMBusTimeoutAMode(I2C_TypeDef *I2Cx, uint32_t Tim /** * @brief Get the SMBus Clock TimeoutA mode. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll TIMEOUTR TIDLE LL_I2C_GetSMBusTimeoutAMode * @param I2Cx I2C Instance. @@ -1169,14 +1209,14 @@ __STATIC_INLINE void LL_I2C_SetSMBusTimeoutAMode(I2C_TypeDef *I2Cx, uint32_t Tim * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH */ -__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutAMode(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutAMode(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIDLE)); } /** * @brief Configure the SMBus Extended Cumulative Clock TimeoutB (Master or Slave mode). - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note These bits can only be programmed when TimeoutB is disabled. * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_SetSMBusTimeoutB @@ -1190,21 +1230,21 @@ __STATIC_INLINE void LL_I2C_SetSMBusTimeoutB(I2C_TypeDef *I2Cx, uint32_t Timeout } /** - * @brief Get the SMBus Extented Cumulative Clock TimeoutB setting. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @brief Get the SMBus Extended Cumulative Clock TimeoutB setting. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_GetSMBusTimeoutB * @param I2Cx I2C Instance. * @retval Value between Min_Data=0 and Max_Data=0xFFF */ -__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutB(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutB(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTB) >> I2C_TIMEOUTR_TIMEOUTB_Pos); } /** * @brief Enable the SMBus Clock Timeout. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_EnableSMBusTimeout\n * TIMEOUTR TEXTEN LL_I2C_EnableSMBusTimeout @@ -1222,7 +1262,7 @@ __STATIC_INLINE void LL_I2C_EnableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t Clock /** * @brief Disable the SMBus Clock Timeout. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_DisableSMBusTimeout\n * TIMEOUTR TEXTEN LL_I2C_DisableSMBusTimeout @@ -1240,7 +1280,7 @@ __STATIC_INLINE void LL_I2C_DisableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t Cloc /** * @brief Check if the SMBus Clock Timeout is enabled or disabled. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_IsEnabledSMBusTimeout\n * TIMEOUTR TEXTEN LL_I2C_IsEnabledSMBusTimeout @@ -1251,9 +1291,10 @@ __STATIC_INLINE void LL_I2C_DisableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t Cloc * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusTimeout(const I2C_TypeDef *I2Cx, uint32_t ClockTimeout) { - return ((READ_BIT(I2Cx->TIMEOUTR, (I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN)) == (ClockTimeout)) ? 1UL : 0UL); + return ((READ_BIT(I2Cx->TIMEOUTR, (I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN)) == \ + (ClockTimeout)) ? 1UL : 0UL); } /** @@ -1293,7 +1334,7 @@ __STATIC_INLINE void LL_I2C_DisableIT_TX(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_TXIE) == (I2C_CR1_TXIE)) ? 1UL : 0UL); } @@ -1326,7 +1367,7 @@ __STATIC_INLINE void LL_I2C_DisableIT_RX(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_RX(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_RX(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_RXIE) == (I2C_CR1_RXIE)) ? 1UL : 0UL); } @@ -1359,7 +1400,7 @@ __STATIC_INLINE void LL_I2C_DisableIT_ADDR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ADDR(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ADDR(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_ADDRIE) == (I2C_CR1_ADDRIE)) ? 1UL : 0UL); } @@ -1392,7 +1433,7 @@ __STATIC_INLINE void LL_I2C_DisableIT_NACK(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_NACK(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_NACK(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_NACKIE) == (I2C_CR1_NACKIE)) ? 1UL : 0UL); } @@ -1425,7 +1466,7 @@ __STATIC_INLINE void LL_I2C_DisableIT_STOP(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_STOP(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_STOP(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_STOPIE) == (I2C_CR1_STOPIE)) ? 1UL : 0UL); } @@ -1464,14 +1505,14 @@ __STATIC_INLINE void LL_I2C_DisableIT_TC(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TC(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TC(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_TCIE) == (I2C_CR1_TCIE)) ? 1UL : 0UL); } /** * @brief Enable Error interrupts. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note Any of these errors will generate interrupt : * Arbitration Loss (ARLO) @@ -1491,7 +1532,7 @@ __STATIC_INLINE void LL_I2C_EnableIT_ERR(I2C_TypeDef *I2Cx) /** * @brief Disable Error interrupts. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note Any of these errors will generate interrupt : * Arbitration Loss (ARLO) @@ -1515,7 +1556,7 @@ __STATIC_INLINE void LL_I2C_DisableIT_ERR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR1, I2C_CR1_ERRIE) == (I2C_CR1_ERRIE)) ? 1UL : 0UL); } @@ -1537,7 +1578,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_TXE) == (I2C_ISR_TXE)) ? 1UL : 0UL); } @@ -1550,7 +1591,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_TXIS) == (I2C_ISR_TXIS)) ? 1UL : 0UL); } @@ -1563,7 +1604,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_RXNE) == (I2C_ISR_RXNE)) ? 1UL : 0UL); } @@ -1576,7 +1617,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_ADDR) == (I2C_ISR_ADDR)) ? 1UL : 0UL); } @@ -1589,7 +1630,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_NACKF) == (I2C_ISR_NACKF)) ? 1UL : 0UL); } @@ -1602,7 +1643,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_STOPF) == (I2C_ISR_STOPF)) ? 1UL : 0UL); } @@ -1615,7 +1656,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_TC) == (I2C_ISR_TC)) ? 1UL : 0UL); } @@ -1628,7 +1669,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_TCR) == (I2C_ISR_TCR)) ? 1UL : 0UL); } @@ -1641,7 +1682,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_BERR) == (I2C_ISR_BERR)) ? 1UL : 0UL); } @@ -1654,7 +1695,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_ARLO) == (I2C_ISR_ARLO)) ? 1UL : 0UL); } @@ -1667,14 +1708,14 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_OVR) == (I2C_ISR_OVR)) ? 1UL : 0UL); } /** * @brief Indicate the status of SMBus PEC error flag in reception. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note RESET: Clear default value. * SET: When the received PEC does not match with the PEC register content. @@ -1682,14 +1723,14 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_PECERR(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_PECERR(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_PECERR) == (I2C_ISR_PECERR)) ? 1UL : 0UL); } /** * @brief Indicate the status of SMBus Timeout detection flag. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note RESET: Clear default value. * SET: When a timeout or extended clock timeout occurs. @@ -1697,14 +1738,14 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_PECERR(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_TIMEOUT(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_TIMEOUT) == (I2C_ISR_TIMEOUT)) ? 1UL : 0UL); } /** * @brief Indicate the status of SMBus alert flag. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @note RESET: Clear default value. * SET: When SMBus host configuration, SMBus alert enabled and @@ -1713,7 +1754,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_ALERT(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_ALERT(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_ALERT) == (I2C_ISR_ALERT)) ? 1UL : 0UL); } @@ -1726,7 +1767,7 @@ __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_ALERT(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->ISR, I2C_ISR_BUSY) == (I2C_ISR_BUSY)) ? 1UL : 0UL); } @@ -1811,7 +1852,7 @@ __STATIC_INLINE void LL_I2C_ClearFlag_OVR(I2C_TypeDef *I2Cx) /** * @brief Clear SMBus PEC error flag. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll ICR PECCF LL_I2C_ClearSMBusFlag_PECERR * @param I2Cx I2C Instance. @@ -1824,7 +1865,7 @@ __STATIC_INLINE void LL_I2C_ClearSMBusFlag_PECERR(I2C_TypeDef *I2Cx) /** * @brief Clear SMBus Timeout detection flag. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll ICR TIMOUTCF LL_I2C_ClearSMBusFlag_TIMEOUT * @param I2Cx I2C Instance. @@ -1837,7 +1878,7 @@ __STATIC_INLINE void LL_I2C_ClearSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) /** * @brief Clear SMBus Alert flag. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll ICR ALERTCF LL_I2C_ClearSMBusFlag_ALERT * @param I2Cx I2C Instance. @@ -1888,7 +1929,7 @@ __STATIC_INLINE void LL_I2C_DisableAutoEndMode(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoEndMode(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoEndMode(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR2, I2C_CR2_AUTOEND) == (I2C_CR2_AUTOEND)) ? 1UL : 0UL); } @@ -1923,7 +1964,7 @@ __STATIC_INLINE void LL_I2C_DisableReloadMode(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledReloadMode(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledReloadMode(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR2, I2C_CR2_RELOAD) == (I2C_CR2_RELOAD)) ? 1UL : 0UL); } @@ -1947,13 +1988,14 @@ __STATIC_INLINE void LL_I2C_SetTransferSize(I2C_TypeDef *I2Cx, uint32_t Transfer * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x0 and Max_Data=0xFF */ -__STATIC_INLINE uint32_t LL_I2C_GetTransferSize(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetTransferSize(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_NBYTES) >> I2C_CR2_NBYTES_Pos); } /** - * @brief Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte. + * @brief Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code + or next received byte. * @note Usage in Slave mode only. * @rmtoll CR2 NACK LL_I2C_AcknowledgeNextData * @param I2Cx I2C Instance. @@ -1994,7 +2036,8 @@ __STATIC_INLINE void LL_I2C_GenerateStopCondition(I2C_TypeDef *I2Cx) /** * @brief Enable automatic RESTART Read request condition for 10bit address header (master mode). * @note The master sends the complete 10bit slave address read sequence : - * Start + 2 bytes 10bit address in Write direction + Restart + first 7 bits of 10bit address in Read direction. + * Start + 2 bytes 10bit address in Write direction + Restart + first 7 bits of 10bit address + in Read direction. * @rmtoll CR2 HEAD10R LL_I2C_EnableAuto10BitRead * @param I2Cx I2C Instance. * @retval None @@ -2022,7 +2065,7 @@ __STATIC_INLINE void LL_I2C_DisableAuto10BitRead(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledAuto10BitRead(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAuto10BitRead(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR2, I2C_CR2_HEAD10R) != (I2C_CR2_HEAD10R)) ? 1UL : 0UL); } @@ -2050,7 +2093,7 @@ __STATIC_INLINE void LL_I2C_SetTransferRequest(I2C_TypeDef *I2Cx, uint32_t Trans * @arg @ref LL_I2C_REQUEST_WRITE * @arg @ref LL_I2C_REQUEST_READ */ -__STATIC_INLINE uint32_t LL_I2C_GetTransferRequest(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetTransferRequest(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_RD_WRN)); } @@ -2074,7 +2117,7 @@ __STATIC_INLINE void LL_I2C_SetSlaveAddr(I2C_TypeDef *I2Cx, uint32_t SlaveAddr) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x0 and Max_Data=0x3F */ -__STATIC_INLINE uint32_t LL_I2C_GetSlaveAddr(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetSlaveAddr(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_SADD)); } @@ -2120,7 +2163,9 @@ __STATIC_INLINE uint32_t LL_I2C_GetSlaveAddr(I2C_TypeDef *I2Cx) __STATIC_INLINE void LL_I2C_HandleTransfer(I2C_TypeDef *I2Cx, uint32_t SlaveAddr, uint32_t SlaveAddrSize, uint32_t TransferSize, uint32_t EndMode, uint32_t Request) { - MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD | I2C_CR2_ADD10 | (I2C_CR2_RD_WRN & (uint32_t)(Request >> (31U - I2C_CR2_RD_WRN_Pos))) | I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_RELOAD | + MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD | I2C_CR2_ADD10 | + (I2C_CR2_RD_WRN & (uint32_t)(Request >> (31U - I2C_CR2_RD_WRN_Pos))) | + I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_RELOAD | I2C_CR2_NBYTES | I2C_CR2_AUTOEND | I2C_CR2_HEAD10R, SlaveAddr | SlaveAddrSize | (TransferSize << I2C_CR2_NBYTES_Pos) | EndMode | Request); } @@ -2135,7 +2180,7 @@ __STATIC_INLINE void LL_I2C_HandleTransfer(I2C_TypeDef *I2Cx, uint32_t SlaveAddr * @arg @ref LL_I2C_DIRECTION_WRITE * @arg @ref LL_I2C_DIRECTION_READ */ -__STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_DIR)); } @@ -2146,16 +2191,17 @@ __STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x00 and Max_Data=0x3F */ -__STATIC_INLINE uint32_t LL_I2C_GetAddressMatchCode(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_GetAddressMatchCode(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_ADDCODE) >> I2C_ISR_ADDCODE_Pos << 1); } /** * @brief Enable internal comparison of the SMBus Packet Error byte (transmission or reception mode). - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. - * @note This feature is cleared by hardware when the PEC byte is transferred, or when a STOP condition or an Address Matched is received. + * @note This feature is cleared by hardware when the PEC byte is transferred, or when a STOP condition + or an Address Matched is received. * This bit has no effect when RELOAD bit is set. * This bit has no effect in device mode when SBC bit is not set. * @rmtoll CR2 PECBYTE LL_I2C_EnableSMBusPECCompare @@ -2169,26 +2215,26 @@ __STATIC_INLINE void LL_I2C_EnableSMBusPECCompare(I2C_TypeDef *I2Cx) /** * @brief Check if the SMBus Packet Error byte internal comparison is requested or not. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll CR2 PECBYTE LL_I2C_IsEnabledSMBusPECCompare * @param I2Cx I2C Instance. * @retval State of bit (1 or 0). */ -__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPECCompare(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPECCompare(const I2C_TypeDef *I2Cx) { return ((READ_BIT(I2Cx->CR2, I2C_CR2_PECBYTE) == (I2C_CR2_PECBYTE)) ? 1UL : 0UL); } /** * @brief Get the SMBus Packet Error byte calculated. - * @note Macro @ref IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not * SMBus feature is supported by the I2Cx Instance. * @rmtoll PECR PEC LL_I2C_GetSMBusPEC * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x00 and Max_Data=0xFF -*/ -__STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC(I2C_TypeDef *I2Cx) + */ +__STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC(const I2C_TypeDef *I2Cx) { return (uint32_t)(READ_BIT(I2Cx->PECR, I2C_PECR_PEC)); } @@ -2199,7 +2245,7 @@ __STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC(I2C_TypeDef *I2Cx) * @param I2Cx I2C Instance. * @retval Value between Min_Data=0x00 and Max_Data=0xFF */ -__STATIC_INLINE uint8_t LL_I2C_ReceiveData8(I2C_TypeDef *I2Cx) +__STATIC_INLINE uint8_t LL_I2C_ReceiveData8(const I2C_TypeDef *I2Cx) { return (uint8_t)(READ_BIT(I2Cx->RXDR, I2C_RXDR_RXDATA)); } @@ -2244,7 +2290,7 @@ void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct); * @} */ -#endif /* I2C1 || I2C2 || I2C3 || I2C4 */ +#endif /* I2C1 || I2C2 || I2C3 || I2C4 || I2C5 */ /** * @} @@ -2255,5 +2301,3 @@ void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct); #endif #endif /* STM32H7xx_LL_I2C_H */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |