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  1. /**
  2. ******************************************************************************
  3. * @file stm32l4xx_hal_i2c_ex.h
  4. * @author MCD Application Team
  5. * @version V1.7.1
  6. * @date 21-April-2017
  7. * @brief Header file of I2C HAL Extended module.
  8. ******************************************************************************
  9. * @attention
  10. *
  11. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  12. *
  13. * Redistribution and use in source and binary forms, with or without modification,
  14. * are permitted provided that the following conditions are met:
  15. * 1. Redistributions of source code must retain the above copyright notice,
  16. * this list of conditions and the following disclaimer.
  17. * 2. Redistributions in binary form must reproduce the above copyright notice,
  18. * this list of conditions and the following disclaimer in the documentation
  19. * and/or other materials provided with the distribution.
  20. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  21. * may be used to endorse or promote products derived from this software
  22. * without specific prior written permission.
  23. *
  24. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34. *
  35. ******************************************************************************
  36. */
  37. /* Define to prevent recursive inclusion -------------------------------------*/
  38. #ifndef __STM32L4xx_HAL_I2C_EX_H
  39. #define __STM32L4xx_HAL_I2C_EX_H
  40. #ifdef __cplusplus
  41. extern "C" {
  42. #endif
  43. /* Includes ------------------------------------------------------------------*/
  44. #include "stm32l4xx_hal_def.h"
  45. /** @addtogroup STM32L4xx_HAL_Driver
  46. * @{
  47. */
  48. /** @addtogroup I2CEx
  49. * @{
  50. */
  51. /* Exported types ------------------------------------------------------------*/
  52. /* Exported constants --------------------------------------------------------*/
  53. /** @defgroup I2CEx_Exported_Constants I2C Extended Exported Constants
  54. * @{
  55. */
  56. /** @defgroup I2CEx_Analog_Filter I2C Extended Analog Filter
  57. * @{
  58. */
  59. #define I2C_ANALOGFILTER_ENABLE 0x00000000U
  60. #define I2C_ANALOGFILTER_DISABLE I2C_CR1_ANFOFF
  61. /**
  62. * @}
  63. */
  64. /** @defgroup I2CEx_FastModePlus I2C Extended Fast Mode Plus
  65. * @{
  66. */
  67. #define I2C_FMP_NOT_SUPPORTED 0xAAAA0000U /*!< Fast Mode Plus not supported */
  68. #define I2C_FASTMODEPLUS_PB6 SYSCFG_CFGR1_I2C_PB6_FMP /*!< Enable Fast Mode Plus on PB6 */
  69. #define I2C_FASTMODEPLUS_PB7 SYSCFG_CFGR1_I2C_PB7_FMP /*!< Enable Fast Mode Plus on PB7 */
  70. #if defined(SYSCFG_CFGR1_I2C_PB8_FMP)
  71. #define I2C_FASTMODEPLUS_PB8 SYSCFG_CFGR1_I2C_PB8_FMP /*!< Enable Fast Mode Plus on PB8 */
  72. #define I2C_FASTMODEPLUS_PB9 SYSCFG_CFGR1_I2C_PB9_FMP /*!< Enable Fast Mode Plus on PB9 */
  73. #else
  74. #define I2C_FASTMODEPLUS_PB8 (uint32_t)(0x00000010U | I2C_FMP_NOT_SUPPORTED) /*!< Fast Mode Plus PB8 not supported */
  75. #define I2C_FASTMODEPLUS_PB9 (uint32_t)(0x00000012U | I2C_FMP_NOT_SUPPORTED) /*!< Fast Mode Plus PB9 not supported */
  76. #endif
  77. #define I2C_FASTMODEPLUS_I2C1 SYSCFG_CFGR1_I2C1_FMP /*!< Enable Fast Mode Plus on I2C1 pins */
  78. #if defined(SYSCFG_CFGR1_I2C2_FMP)
  79. #define I2C_FASTMODEPLUS_I2C2 SYSCFG_CFGR1_I2C2_FMP /*!< Enable Fast Mode Plus on I2C2 pins */
  80. #else
  81. #define I2C_FASTMODEPLUS_I2C2 (uint32_t)(0x00000200U | I2C_FMP_NOT_SUPPORTED) /*!< Fast Mode Plus I2C2 not supported */
  82. #endif
  83. #define I2C_FASTMODEPLUS_I2C3 SYSCFG_CFGR1_I2C3_FMP /*!< Enable Fast Mode Plus on I2C3 pins */
  84. #if defined(SYSCFG_CFGR1_I2C4_FMP)
  85. #define I2C_FASTMODEPLUS_I2C4 SYSCFG_CFGR1_I2C4_FMP /*!< Enable Fast Mode Plus on I2C4 pins */
  86. #else
  87. #define I2C_FASTMODEPLUS_I2C4 (uint32_t)(0x00000800U | I2C_FMP_NOT_SUPPORTED) /*!< Fast Mode Plus I2C4 not supported */
  88. #endif
  89. /**
  90. * @}
  91. */
  92. /**
  93. * @}
  94. */
  95. /* Exported macro ------------------------------------------------------------*/
  96. /* Exported functions --------------------------------------------------------*/
  97. /** @addtogroup I2CEx_Exported_Functions I2C Extended Exported Functions
  98. * @{
  99. */
  100. /** @addtogroup I2CEx_Exported_Functions_Group1 Extended features functions
  101. * @brief Extended features functions
  102. * @{
  103. */
  104. /* Peripheral Control functions ************************************************/
  105. HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter);
  106. HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter);
  107. HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp(I2C_HandleTypeDef *hi2c);
  108. HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp(I2C_HandleTypeDef *hi2c);
  109. void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus);
  110. void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus);
  111. /* Private constants ---------------------------------------------------------*/
  112. /** @defgroup I2CEx_Private_Constants I2C Extended Private Constants
  113. * @{
  114. */
  115. /**
  116. * @}
  117. */
  118. /* Private macros ------------------------------------------------------------*/
  119. /** @defgroup I2CEx_Private_Macro I2C Extended Private Macros
  120. * @{
  121. */
  122. #define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_ANALOGFILTER_ENABLE) || \
  123. ((FILTER) == I2C_ANALOGFILTER_DISABLE))
  124. #define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000FU)
  125. #define IS_I2C_FASTMODEPLUS(__CONFIG__) ((((__CONFIG__) & I2C_FMP_NOT_SUPPORTED) != I2C_FMP_NOT_SUPPORTED) && \
  126. ((((__CONFIG__) & (I2C_FASTMODEPLUS_PB6)) == I2C_FASTMODEPLUS_PB6) || \
  127. (((__CONFIG__) & (I2C_FASTMODEPLUS_PB7)) == I2C_FASTMODEPLUS_PB7) || \
  128. (((__CONFIG__) & (I2C_FASTMODEPLUS_PB8)) == I2C_FASTMODEPLUS_PB8) || \
  129. (((__CONFIG__) & (I2C_FASTMODEPLUS_PB9)) == I2C_FASTMODEPLUS_PB9) || \
  130. (((__CONFIG__) & (I2C_FASTMODEPLUS_I2C1)) == I2C_FASTMODEPLUS_I2C1) || \
  131. (((__CONFIG__) & (I2C_FASTMODEPLUS_I2C2)) == I2C_FASTMODEPLUS_I2C2) || \
  132. (((__CONFIG__) & (I2C_FASTMODEPLUS_I2C3)) == I2C_FASTMODEPLUS_I2C3) || \
  133. (((__CONFIG__) & (I2C_FASTMODEPLUS_I2C4)) == I2C_FASTMODEPLUS_I2C4)))
  134. /**
  135. * @}
  136. */
  137. /* Private Functions ---------------------------------------------------------*/
  138. /** @defgroup I2CEx_Private_Functions I2C Extended Private Functions
  139. * @{
  140. */
  141. /* Private functions are defined in stm32l4xx_hal_i2c_ex.c file */
  142. /**
  143. * @}
  144. */
  145. /**
  146. * @}
  147. */
  148. /**
  149. * @}
  150. */
  151. /**
  152. * @}
  153. */
  154. /**
  155. * @}
  156. */
  157. #ifdef __cplusplus
  158. }
  159. #endif
  160. #endif /* __STM32L4xx_HAL_I2C_EX_H */
  161. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/