Mercurial > public > ostc4
view Common/Drivers/STM32F4xx_HAL_DRIVER_v120/Inc/stm32f4xx_hal_can.h @ 58:e97deb6e2705
Added UTF8 decode function
| author | Ideenmodellierer |
|---|---|
| date | Thu, 09 Aug 2018 22:39:15 +0200 |
| parents | 5f11787b4f42 |
| children |
line wrap: on
line source
/** ****************************************************************************** * @file stm32f4xx_hal_can.h * @author MCD Application Team * @version V1.2.0 * @date 26-December-2014 * @brief Header file of CAN HAL module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F4xx_HAL_CAN_H #define __STM32F4xx_HAL_CAN_H #ifdef __cplusplus extern "C" { #endif #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_hal_def.h" /** @addtogroup STM32F4xx_HAL_Driver * @{ */ /** @addtogroup CAN * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup CAN_Exported_Types CAN Exported Types * @{ */ /** * @brief HAL State structures definition */ typedef enum { HAL_CAN_STATE_RESET = 0x00, /*!< CAN not yet initialized or disabled */ HAL_CAN_STATE_READY = 0x01, /*!< CAN initialized and ready for use */ HAL_CAN_STATE_BUSY = 0x02, /*!< CAN process is ongoing */ HAL_CAN_STATE_BUSY_TX = 0x12, /*!< CAN process is ongoing */ HAL_CAN_STATE_BUSY_RX = 0x22, /*!< CAN process is ongoing */ HAL_CAN_STATE_BUSY_TX_RX = 0x32, /*!< CAN process is ongoing */ HAL_CAN_STATE_TIMEOUT = 0x03, /*!< Timeout state */ HAL_CAN_STATE_ERROR = 0x04 /*!< CAN error state */ }HAL_CAN_StateTypeDef; /** * @brief CAN init structure definition */ typedef struct { uint32_t Prescaler; /*!< Specifies the length of a time quantum. This parameter must be a number between Min_Data = 1 and Max_Data = 1024 */ uint32_t Mode; /*!< Specifies the CAN operating mode. This parameter can be a value of @ref CAN_operating_mode */ uint32_t SJW; /*!< Specifies the maximum number of time quanta the CAN hardware is allowed to lengthen or shorten a bit to perform resynchronization. This parameter can be a value of @ref CAN_synchronisation_jump_width */ uint32_t BS1; /*!< Specifies the number of time quanta in Bit Segment 1. This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_1 */ uint32_t BS2; /*!< Specifies the number of time quanta in Bit Segment 2. This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */ uint32_t TTCM; /*!< Enable or disable the time triggered communication mode. This parameter can be set to ENABLE or DISABLE. */ uint32_t ABOM; /*!< Enable or disable the automatic bus-off management. This parameter can be set to ENABLE or DISABLE */ uint32_t AWUM; /*!< Enable or disable the automatic wake-up mode. This parameter can be set to ENABLE or DISABLE */ uint32_t NART; /*!< Enable or disable the non-automatic retransmission mode. This parameter can be set to ENABLE or DISABLE */ uint32_t RFLM; /*!< Enable or disable the receive FIFO Locked mode. This parameter can be set to ENABLE or DISABLE */ uint32_t TXFP; /*!< Enable or disable the transmit FIFO priority. This parameter can be set to ENABLE or DISABLE */ }CAN_InitTypeDef; /** * @brief CAN filter configuration structure definition */ typedef struct { uint32_t FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit configuration, first one for a 16-bit configuration). This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */ uint32_t FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit configuration, second one for a 16-bit configuration). This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */ uint32_t FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number, according to the mode (MSBs for a 32-bit configuration, first one for a 16-bit configuration). This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */ uint32_t FilterMaskIdLow; /*!< Specifies the filter mask number or identification number, according to the mode (LSBs for a 32-bit configuration, second one for a 16-bit configuration). This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */ uint32_t FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1) which will be assigned to the filter. This parameter can be a value of @ref CAN_filter_FIFO */ uint32_t FilterNumber; /*!< Specifies the filter which will be initialized. This parameter must be a number between Min_Data = 0 and Max_Data = 27 */ uint32_t FilterMode; /*!< Specifies the filter mode to be initialized. This parameter can be a value of @ref CAN_filter_mode */ uint32_t FilterScale; /*!< Specifies the filter scale. This parameter can be a value of @ref CAN_filter_scale */ uint32_t FilterActivation; /*!< Enable or disable the filter. This parameter can be set to ENABLE or DISABLE. */ uint32_t BankNumber; /*!< Select the start slave bank filter. This parameter must be a number between Min_Data = 0 and Max_Data = 28 */ }CAN_FilterConfTypeDef; /** * @brief CAN Tx message structure definition */ typedef struct { uint32_t StdId; /*!< Specifies the standard identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */ uint32_t ExtId; /*!< Specifies the extended identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */ uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted. This parameter can be a value of @ref CAN_Identifier_Type */ uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted. This parameter can be a value of @ref CAN_remote_transmission_request */ uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted. This parameter must be a number between Min_Data = 0 and Max_Data = 8 */ uint32_t Data[8]; /*!< Contains the data to be transmitted. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */ }CanTxMsgTypeDef; /** * @brief CAN Rx message structure definition */ typedef struct { uint32_t StdId; /*!< Specifies the standard identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */ uint32_t ExtId; /*!< Specifies the extended identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */ uint32_t IDE; /*!< Specifies the type of identifier for the message that will be received. This parameter can be a value of @ref CAN_Identifier_Type */ uint32_t RTR; /*!< Specifies the type of frame for the received message. This parameter can be a value of @ref CAN_remote_transmission_request */ uint32_t DLC; /*!< Specifies the length of the frame that will be received. This parameter must be a number between Min_Data = 0 and Max_Data = 8 */ uint32_t Data[8]; /*!< Contains the data to be received. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */ uint32_t FMI; /*!< Specifies the index of the filter the message stored in the mailbox passes through. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */ uint32_t FIFONumber; /*!< Specifies the receive FIFO number. This parameter can be CAN_FIFO0 or CAN_FIFO1 */ }CanRxMsgTypeDef; /** * @brief CAN handle Structure definition */ typedef struct { CAN_TypeDef *Instance; /*!< Register base address */ CAN_InitTypeDef Init; /*!< CAN required parameters */ CanTxMsgTypeDef* pTxMsg; /*!< Pointer to transmit structure */ CanRxMsgTypeDef* pRxMsg; /*!< Pointer to reception structure */ __IO HAL_CAN_StateTypeDef State; /*!< CAN communication state */ HAL_LockTypeDef Lock; /*!< CAN locking object */ __IO uint32_t ErrorCode; /*!< CAN Error code */ }CAN_HandleTypeDef; /** * @} */ /* Exported constants --------------------------------------------------------*/ /** @defgroup CAN_Exported_Constants CAN Exported Constants * @{ */ /** @defgroup HAL_CAN_Error_Code HAL CAN Error Code * @{ */ #define HAL_CAN_ERROR_NONE 0x00 /*!< No error */ #define HAL_CAN_ERROR_EWG 0x01 /*!< EWG error */ #define HAL_CAN_ERROR_EPV 0x02 /*!< EPV error */ #define HAL_CAN_ERROR_BOF 0x04 /*!< BOF error */ #define HAL_CAN_ERROR_STF 0x08 /*!< Stuff error */ #define HAL_CAN_ERROR_FOR 0x10 /*!< Form error */ #define HAL_CAN_ERROR_ACK 0x20 /*!< Acknowledgment error */ #define HAL_CAN_ERROR_BR 0x40 /*!< Bit recessive */ #define HAL_CAN_ERROR_BD 0x80 /*!< LEC dominant */ #define HAL_CAN_ERROR_CRC 0x100 /*!< LEC transfer error */ /** * @} */ /** @defgroup CAN_InitStatus CAN InitStatus * @{ */ #define CAN_INITSTATUS_FAILED ((uint8_t)0x00) /*!< CAN initialization failed */ #define CAN_INITSTATUS_SUCCESS ((uint8_t)0x01) /*!< CAN initialization OK */ /** * @} */ /** @defgroup CAN_operating_mode CAN Operating Mode * @{ */ #define CAN_MODE_NORMAL ((uint32_t)0x00000000) /*!< Normal mode */ #define CAN_MODE_LOOPBACK ((uint32_t)CAN_BTR_LBKM) /*!< Loopback mode */ #define CAN_MODE_SILENT ((uint32_t)CAN_BTR_SILM) /*!< Silent mode */ #define CAN_MODE_SILENT_LOOPBACK ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM)) /*!< Loopback combined with silent mode */ /** * @} */ /** @defgroup CAN_synchronisation_jump_width CAN Synchronisation Jump Width * @{ */ #define CAN_SJW_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */ #define CAN_SJW_2TQ ((uint32_t)CAN_BTR_SJW_0) /*!< 2 time quantum */ #define CAN_SJW_3TQ ((uint32_t)CAN_BTR_SJW_1) /*!< 3 time quantum */ #define CAN_SJW_4TQ ((uint32_t)CAN_BTR_SJW) /*!< 4 time quantum */ /** * @} */ /** @defgroup CAN_time_quantum_in_bit_segment_1 CAN Time Quantum in bit segment 1 * @{ */ #define CAN_BS1_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */ #define CAN_BS1_2TQ ((uint32_t)CAN_BTR_TS1_0) /*!< 2 time quantum */ #define CAN_BS1_3TQ ((uint32_t)CAN_BTR_TS1_1) /*!< 3 time quantum */ #define CAN_BS1_4TQ ((uint32_t)(CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 4 time quantum */ #define CAN_BS1_5TQ ((uint32_t)CAN_BTR_TS1_2) /*!< 5 time quantum */ #define CAN_BS1_6TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 6 time quantum */ #define CAN_BS1_7TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 7 time quantum */ #define CAN_BS1_8TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 8 time quantum */ #define CAN_BS1_9TQ ((uint32_t)CAN_BTR_TS1_3) /*!< 9 time quantum */ #define CAN_BS1_10TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_0)) /*!< 10 time quantum */ #define CAN_BS1_11TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1)) /*!< 11 time quantum */ #define CAN_BS1_12TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 12 time quantum */ #define CAN_BS1_13TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2)) /*!< 13 time quantum */ #define CAN_BS1_14TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 14 time quantum */ #define CAN_BS1_15TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 15 time quantum */ #define CAN_BS1_16TQ ((uint32_t)CAN_BTR_TS1) /*!< 16 time quantum */ /** * @} */ /** @defgroup CAN_time_quantum_in_bit_segment_2 CAN Time Quantum in bit segment 2 * @{ */ #define CAN_BS2_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */ #define CAN_BS2_2TQ ((uint32_t)CAN_BTR_TS2_0) /*!< 2 time quantum */ #define CAN_BS2_3TQ ((uint32_t)CAN_BTR_TS2_1) /*!< 3 time quantum */ #define CAN_BS2_4TQ ((uint32_t)(CAN_BTR_TS2_1 | CAN_BTR_TS2_0)) /*!< 4 time quantum */ #define CAN_BS2_5TQ ((uint32_t)CAN_BTR_TS2_2) /*!< 5 time quantum */ #define CAN_BS2_6TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_0)) /*!< 6 time quantum */ #define CAN_BS2_7TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_1)) /*!< 7 time quantum */ #define CAN_BS2_8TQ ((uint32_t)CAN_BTR_TS2) /*!< 8 time quantum */ /** * @} */ /** @defgroup CAN_filter_mode CAN Filter Mode * @{ */ #define CAN_FILTERMODE_IDMASK ((uint8_t)0x00) /*!< Identifier mask mode */ #define CAN_FILTERMODE_IDLIST ((uint8_t)0x01) /*!< Identifier list mode */ /** * @} */ /** @defgroup CAN_filter_scale CAN Filter Scale * @{ */ #define CAN_FILTERSCALE_16BIT ((uint8_t)0x00) /*!< Two 16-bit filters */ #define CAN_FILTERSCALE_32BIT ((uint8_t)0x01) /*!< One 32-bit filter */ /** * @} */ /** @defgroup CAN_filter_FIFO CAN Filter FIFO * @{ */ #define CAN_FILTER_FIFO0 ((uint8_t)0x00) /*!< Filter FIFO 0 assignment for filter x */ #define CAN_FILTER_FIFO1 ((uint8_t)0x01) /*!< Filter FIFO 1 assignment for filter x */ /** * @} */ /** @defgroup CAN_Identifier_Type CAN Identifier Type * @{ */ #define CAN_ID_STD ((uint32_t)0x00000000) /*!< Standard Id */ #define CAN_ID_EXT ((uint32_t)0x00000004) /*!< Extended Id */ /** * @} */ /** @defgroup CAN_remote_transmission_request CAN Remote Transmission Request * @{ */ #define CAN_RTR_DATA ((uint32_t)0x00000000) /*!< Data frame */ #define CAN_RTR_REMOTE ((uint32_t)0x00000002) /*!< Remote frame */ /** * @} */ /** @defgroup CAN_receive_FIFO_number_constants CAN Receive FIFO Number Constants * @{ */ #define CAN_FIFO0 ((uint8_t)0x00) /*!< CAN FIFO 0 used to receive */ #define CAN_FIFO1 ((uint8_t)0x01) /*!< CAN FIFO 1 used to receive */ /** * @} */ /** @defgroup CAN_flags CAN Flags * @{ */ /* If the flag is 0x3XXXXXXX, it means that it can be used with CAN_GetFlagStatus() and CAN_ClearFlag() functions. */ /* If the flag is 0x1XXXXXXX, it means that it can only be used with CAN_GetFlagStatus() function. */ /* Transmit Flags */ #define CAN_FLAG_RQCP0 ((uint32_t)0x00000500) /*!< Request MailBox0 flag */ #define CAN_FLAG_RQCP1 ((uint32_t)0x00000508) /*!< Request MailBox1 flag */ #define CAN_FLAG_RQCP2 ((uint32_t)0x00000510) /*!< Request MailBox2 flag */ #define CAN_FLAG_TXOK0 ((uint32_t)0x00000501) /*!< Transmission OK MailBox0 flag */ #define CAN_FLAG_TXOK1 ((uint32_t)0x00000509) /*!< Transmission OK MailBox1 flag */ #define CAN_FLAG_TXOK2 ((uint32_t)0x00000511) /*!< Transmission OK MailBox2 flag */ #define CAN_FLAG_TME0 ((uint32_t)0x0000051A) /*!< Transmit mailbox 0 empty flag */ #define CAN_FLAG_TME1 ((uint32_t)0x0000051B) /*!< Transmit mailbox 0 empty flag */ #define CAN_FLAG_TME2 ((uint32_t)0x0000051C) /*!< Transmit mailbox 0 empty flag */ /* Receive Flags */ #define CAN_FLAG_FF0 ((uint32_t)0x00000203) /*!< FIFO 0 Full flag */ #define CAN_FLAG_FOV0 ((uint32_t)0x00000204) /*!< FIFO 0 Overrun flag */ #define CAN_FLAG_FF1 ((uint32_t)0x00000403) /*!< FIFO 1 Full flag */ #define CAN_FLAG_FOV1 ((uint32_t)0x00000404) /*!< FIFO 1 Overrun flag */ /* Operating Mode Flags */ #define CAN_FLAG_WKU ((uint32_t)0x00000103) /*!< Wake up flag */ #define CAN_FLAG_SLAK ((uint32_t)0x00000101) /*!< Sleep acknowledge flag */ #define CAN_FLAG_SLAKI ((uint32_t)0x00000104) /*!< Sleep acknowledge flag */ /* @note When SLAK interrupt is disabled (SLKIE=0), no polling on SLAKI is possible. In this case the SLAK bit can be polled.*/ /* Error Flags */ #define CAN_FLAG_EWG ((uint32_t)0x00000300) /*!< Error warning flag */ #define CAN_FLAG_EPV ((uint32_t)0x00000301) /*!< Error passive flag */ #define CAN_FLAG_BOF ((uint32_t)0x00000302) /*!< Bus-Off flag */ /** * @} */ /** @defgroup CAN_Interrupts CAN Interrupts * @{ */ #define CAN_IT_TME ((uint32_t)CAN_IER_TMEIE) /*!< Transmit mailbox empty interrupt */ /* Receive Interrupts */ #define CAN_IT_FMP0 ((uint32_t)CAN_IER_FMPIE0) /*!< FIFO 0 message pending interrupt */ #define CAN_IT_FF0 ((uint32_t)CAN_IER_FFIE0) /*!< FIFO 0 full interrupt */ #define CAN_IT_FOV0 ((uint32_t)CAN_IER_FOVIE0) /*!< FIFO 0 overrun interrupt */ #define CAN_IT_FMP1 ((uint32_t)CAN_IER_FMPIE1) /*!< FIFO 1 message pending interrupt */ #define CAN_IT_FF1 ((uint32_t)CAN_IER_FFIE1) /*!< FIFO 1 full interrupt */ #define CAN_IT_FOV1 ((uint32_t)CAN_IER_FOVIE1) /*!< FIFO 1 overrun interrupt */ /* Operating Mode Interrupts */ #define CAN_IT_WKU ((uint32_t)CAN_IER_WKUIE) /*!< Wake-up interrupt */ #define CAN_IT_SLK ((uint32_t)CAN_IER_SLKIE) /*!< Sleep acknowledge interrupt */ /* Error Interrupts */ #define CAN_IT_EWG ((uint32_t)CAN_IER_EWGIE) /*!< Error warning interrupt */ #define CAN_IT_EPV ((uint32_t)CAN_IER_EPVIE) /*!< Error passive interrupt */ #define CAN_IT_BOF ((uint32_t)CAN_IER_BOFIE) /*!< Bus-off interrupt */ #define CAN_IT_LEC ((uint32_t)CAN_IER_LECIE) /*!< Last error code interrupt */ #define CAN_IT_ERR ((uint32_t)CAN_IER_ERRIE) /*!< Error Interrupt */ /** * @} */ /** @defgroup CAN_Mailboxes_Definition CAN Mailboxes Definition * @{ */ #define CAN_TXMAILBOX_0 ((uint8_t)0x00) #define CAN_TXMAILBOX_1 ((uint8_t)0x01) #define CAN_TXMAILBOX_2 ((uint8_t)0x02) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup CAN_Exported_Macros CAN Exported Macros * @{ */ /** @brief Reset CAN handle state * @param __HANDLE__: specifies the CAN Handle. * @retval None */ #define __HAL_CAN_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CAN_STATE_RESET) /** * @brief Enable the specified CAN interrupts. * @param __HANDLE__: CAN handle * @param __INTERRUPT__: CAN Interrupt * @retval None */ #define __HAL_CAN_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) |= (__INTERRUPT__)) /** * @brief Disable the specified CAN interrupts. * @param __HANDLE__: CAN handle * @param __INTERRUPT__: CAN Interrupt * @retval None */ #define __HAL_CAN_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) &= ~(__INTERRUPT__)) /** * @brief Return the number of pending received messages. * @param __HANDLE__: CAN handle * @param __FIFONUMBER__: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1. * @retval The number of pending message. */ #define __HAL_CAN_MSG_PENDING(__HANDLE__, __FIFONUMBER__) (((__FIFONUMBER__) == CAN_FIFO0)? \ ((uint8_t)((__HANDLE__)->Instance->RF0R&(uint32_t)0x03)) : ((uint8_t)((__HANDLE__)->Instance->RF1R&(uint32_t)0x03))) /** @brief Check whether the specified CAN flag is set or not. * @param __HANDLE__: CAN Handle * @param __FLAG__: specifies the flag to check. * This parameter can be one of the following values: * @arg CAN_TSR_RQCP0: Request MailBox0 Flag * @arg CAN_TSR_RQCP1: Request MailBox1 Flag * @arg CAN_TSR_RQCP2: Request MailBox2 Flag * @arg CAN_FLAG_TXOK0: Transmission OK MailBox0 Flag * @arg CAN_FLAG_TXOK1: Transmission OK MailBox1 Flag * @arg CAN_FLAG_TXOK2: Transmission OK MailBox2 Flag * @arg CAN_FLAG_TME0: Transmit mailbox 0 empty Flag * @arg CAN_FLAG_TME1: Transmit mailbox 1 empty Flag * @arg CAN_FLAG_TME2: Transmit mailbox 2 empty Flag * @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag * @arg CAN_FLAG_FF0: FIFO 0 Full Flag * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag * @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag * @arg CAN_FLAG_FF1: FIFO 1 Full Flag * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag * @arg CAN_FLAG_WKU: Wake up Flag * @arg CAN_FLAG_SLAK: Sleep acknowledge Flag * @arg CAN_FLAG_SLAKI: Sleep acknowledge Flag * @arg CAN_FLAG_EWG: Error Warning Flag * @arg CAN_FLAG_EPV: Error Passive Flag * @arg CAN_FLAG_BOF: Bus-Off Flag * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define __HAL_CAN_GET_FLAG(__HANDLE__, __FLAG__) \ ((((__FLAG__) >> 8) == 5)? ((((__HANDLE__)->Instance->TSR) & (1 << ((__FLAG__) & CAN_FLAG_MASK))) == (1 << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8) == 2)? ((((__HANDLE__)->Instance->RF0R) & (1 << ((__FLAG__) & CAN_FLAG_MASK))) == (1 << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8) == 4)? ((((__HANDLE__)->Instance->RF1R) & (1 << ((__FLAG__) & CAN_FLAG_MASK))) == (1 << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8) == 1)? ((((__HANDLE__)->Instance->MSR) & (1 << ((__FLAG__) & CAN_FLAG_MASK))) == (1 << ((__FLAG__) & CAN_FLAG_MASK))): \ ((((__HANDLE__)->Instance->ESR) & (1 << ((__FLAG__) & CAN_FLAG_MASK))) == (1 << ((__FLAG__) & CAN_FLAG_MASK)))) /** @brief Clear the specified CAN pending flag. * @param __HANDLE__: CAN Handle. * @param __FLAG__: specifies the flag to check. * This parameter can be one of the following values: * @arg CAN_TSR_RQCP0: Request MailBox0 Flag * @arg CAN_TSR_RQCP1: Request MailBox1 Flag * @arg CAN_TSR_RQCP2: Request MailBox2 Flag * @arg CAN_FLAG_TXOK0: Transmission OK MailBox0 Flag * @arg CAN_FLAG_TXOK1: Transmission OK MailBox1 Flag * @arg CAN_FLAG_TXOK2: Transmission OK MailBox2 Flag * @arg CAN_FLAG_TME0: Transmit mailbox 0 empty Flag * @arg CAN_FLAG_TME1: Transmit mailbox 1 empty Flag * @arg CAN_FLAG_TME2: Transmit mailbox 2 empty Flag * @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag * @arg CAN_FLAG_FF0: FIFO 0 Full Flag * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag * @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag * @arg CAN_FLAG_FF1: FIFO 1 Full Flag * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag * @arg CAN_FLAG_WKU: Wake up Flag * @arg CAN_FLAG_SLAK: Sleep acknowledge Flag * @arg CAN_FLAG_SLAKI: Sleep acknowledge Flag * @arg CAN_FLAG_EWG: Error Warning Flag * @arg CAN_FLAG_EPV: Error Passive Flag * @arg CAN_FLAG_BOF: Bus-Off Flag * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define __HAL_CAN_CLEAR_FLAG(__HANDLE__, __FLAG__) \ ((((__FLAG__) >> 8) == 5)? (((__HANDLE__)->Instance->TSR) = ~((uint32_t)1 << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8) == 2)? (((__HANDLE__)->Instance->RF0R) = ~((uint32_t)1 << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8) == 4)? (((__HANDLE__)->Instance->RF1R) = ~((uint32_t)1 << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8) == 1)? (((__HANDLE__)->Instance->MSR) = ~((uint32_t)1 << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__HANDLE__)->Instance->ESR) = ~((uint32_t)1 << ((__FLAG__) & CAN_FLAG_MASK)))) /** @brief Check if the specified CAN interrupt source is enabled or disabled. * @param __HANDLE__: CAN Handle * @param __INTERRUPT__: specifies the CAN interrupt source to check. * This parameter can be one of the following values: * @arg CAN_IT_TME: Transmit mailbox empty interrupt enable * @arg CAN_IT_FMP0: FIFO0 message pending interrupt enable * @arg CAN_IT_FMP1: FIFO1 message pending interrupt enable * @retval The new state of __IT__ (TRUE or FALSE). */ #define __HAL_CAN_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IER & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET) /** * @brief Check the transmission status of a CAN Frame. * @param __HANDLE__: CAN Handle * @param __TRANSMITMAILBOX__: the number of the mailbox that is used for transmission. * @retval The new status of transmission (TRUE or FALSE). */ #define __HAL_CAN_TRANSMIT_STATUS(__HANDLE__, __TRANSMITMAILBOX__)\ (((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_0)? ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0)) == (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0)) :\ ((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_1)? ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1)) == (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1)) :\ ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2)) == (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2))) /** * @brief Release the specified receive FIFO. * @param __HANDLE__: CAN handle * @param __FIFONUMBER__: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1. * @retval None */ #define __HAL_CAN_FIFO_RELEASE(__HANDLE__, __FIFONUMBER__) (((__FIFONUMBER__) == CAN_FIFO0)? \ ((__HANDLE__)->Instance->RF0R |= CAN_RF0R_RFOM0) : ((__HANDLE__)->Instance->RF1R |= CAN_RF1R_RFOM1)) /** * @brief Cancel a transmit request. * @param __HANDLE__: CAN Handle * @param __TRANSMITMAILBOX__: the number of the mailbox that is used for transmission. * @retval None */ #define __HAL_CAN_CANCEL_TRANSMIT(__HANDLE__, __TRANSMITMAILBOX__)\ (((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_0)? ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ0) :\ ((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_1)? ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ1) :\ ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ2)) /** * @brief Enable or disable the DBG Freeze for CAN. * @param __HANDLE__: CAN Handle * @param __NEWSTATE__: new state of the CAN peripheral. * This parameter can be: ENABLE (CAN reception/transmission is frozen * during debug. Reception FIFOs can still be accessed/controlled normally) * or DISABLE (CAN is working during debug). * @retval None */ #define __HAL_CAN_DBG_FREEZE(__HANDLE__, __NEWSTATE__) (((__NEWSTATE__) == ENABLE)? \ ((__HANDLE__)->Instance->MCR |= CAN_MCR_DBF) : ((__HANDLE__)->Instance->MCR &= ~CAN_MCR_DBF)) /** * @} */ /* Exported functions --------------------------------------------------------*/ /** @addtogroup CAN_Exported_Functions * @{ */ /** @addtogroup CAN_Exported_Functions_Group1 * @{ */ /* Initialization/de-initialization functions ***********************************/ HAL_StatusTypeDef HAL_CAN_Init(CAN_HandleTypeDef* hcan); HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef* hcan, CAN_FilterConfTypeDef* sFilterConfig); HAL_StatusTypeDef HAL_CAN_DeInit(CAN_HandleTypeDef* hcan); void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan); void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan); /** * @} */ /** @addtogroup CAN_Exported_Functions_Group2 * @{ */ /* I/O operation functions ******************************************************/ HAL_StatusTypeDef HAL_CAN_Transmit(CAN_HandleTypeDef *hcan, uint32_t Timeout); HAL_StatusTypeDef HAL_CAN_Transmit_IT(CAN_HandleTypeDef *hcan); HAL_StatusTypeDef HAL_CAN_Receive(CAN_HandleTypeDef *hcan, uint8_t FIFONumber, uint32_t Timeout); HAL_StatusTypeDef HAL_CAN_Receive_IT(CAN_HandleTypeDef *hcan, uint8_t FIFONumber); HAL_StatusTypeDef HAL_CAN_Sleep(CAN_HandleTypeDef *hcan); HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef *hcan); void HAL_CAN_IRQHandler(CAN_HandleTypeDef* hcan); void HAL_CAN_TxCpltCallback(CAN_HandleTypeDef* hcan); void HAL_CAN_RxCpltCallback(CAN_HandleTypeDef* hcan); void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan); /** * @} */ /** @addtogroup CAN_Exported_Functions_Group3 * @{ */ /* Peripheral State functions ***************************************************/ uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan); HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef* hcan); /** * @} */ /** * @} */ /* Private types -------------------------------------------------------------*/ /** @defgroup CAN_Private_Types CAN Private Types * @{ */ /** * @} */ /* Private variables ---------------------------------------------------------*/ /** @defgroup CAN_Private_Variables CAN Private Variables * @{ */ /** * @} */ /* Private constants ---------------------------------------------------------*/ /** @defgroup CAN_Private_Constants CAN Private Constants * @{ */ #define CAN_TXSTATUS_NOMAILBOX ((uint8_t)0x04) /*!< CAN cell did not provide CAN_TxStatus_NoMailBox */ #define CAN_FLAG_MASK ((uint32_t)0x000000FF) /** * @} */ /* Private macros ------------------------------------------------------------*/ /** @defgroup CAN_Private_Macros CAN Private Macros * @{ */ #define IS_CAN_MODE(MODE) (((MODE) == CAN_MODE_NORMAL) || \ ((MODE) == CAN_MODE_LOOPBACK)|| \ ((MODE) == CAN_MODE_SILENT) || \ ((MODE) == CAN_MODE_SILENT_LOOPBACK)) #define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1TQ) || ((SJW) == CAN_SJW_2TQ)|| \ ((SJW) == CAN_SJW_3TQ) || ((SJW) == CAN_SJW_4TQ)) #define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16TQ) #define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8TQ) #define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1) && ((PRESCALER) <= 1024)) #define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27) #define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FILTERMODE_IDMASK) || \ ((MODE) == CAN_FILTERMODE_IDLIST)) #define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FILTERSCALE_16BIT) || \ ((SCALE) == CAN_FILTERSCALE_32BIT)) #define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FILTER_FIFO0) || \ ((FIFO) == CAN_FILTER_FIFO1)) #define IS_CAN_BANKNUMBER(BANKNUMBER) ((BANKNUMBER) <= 28) #define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02)) #define IS_CAN_STDID(STDID) ((STDID) <= ((uint32_t)0x7FF)) #define IS_CAN_EXTID(EXTID) ((EXTID) <= ((uint32_t)0x1FFFFFFF)) #define IS_CAN_DLC(DLC) ((DLC) <= ((uint8_t)0x08)) #define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_ID_STD) || \ ((IDTYPE) == CAN_ID_EXT)) #define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_DATA) || ((RTR) == CAN_RTR_REMOTE)) #define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1)) /** * @} */ /* Private functions ---------------------------------------------------------*/ /** @defgroup CAN_Private_Functions CAN Private Functions * @{ */ /** * @} */ #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F4xx_CAN_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/