776 lines
37 KiB
C
776 lines
37 KiB
C
/**
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******************************************************************************
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* @file stm32f4xx_hal_can.h
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* @author MCD Application Team
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* @version V1.0.0
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* @date 18-February-2014
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* @brief Header file of CAN HAL module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4xx_HAL_CAN_H
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#define __STM32F4xx_HAL_CAN_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal_def.h"
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/** @addtogroup STM32F4xx_HAL_Driver
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* @{
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*/
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/** @addtogroup CAN
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief HAL State structures definition
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*/
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typedef enum
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{
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HAL_CAN_STATE_RESET = 0x00, /*!< CAN not yet initialized or disabled */
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HAL_CAN_STATE_READY = 0x01, /*!< CAN initialized and ready for use */
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HAL_CAN_STATE_BUSY = 0x02, /*!< CAN process is ongoing */
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HAL_CAN_STATE_BUSY_TX = 0x12, /*!< CAN process is ongoing */
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HAL_CAN_STATE_BUSY_RX = 0x22, /*!< CAN process is ongoing */
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HAL_CAN_STATE_BUSY_TX_RX = 0x32, /*!< CAN process is ongoing */
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HAL_CAN_STATE_TIMEOUT = 0x03, /*!< Timeout state */
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HAL_CAN_STATE_ERROR = 0x04 /*!< CAN error state */
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}HAL_CAN_StateTypeDef;
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/**
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* @brief CAN init structure definition
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*/
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typedef struct
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{
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uint32_t Prescaler; /*!< Specifies the length of a time quantum.
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This parameter must be a number between Min_Data = 1 and Max_Data = 1024 */
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uint32_t Mode; /*!< Specifies the CAN operating mode.
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This parameter can be a value of @ref CAN_operating_mode */
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uint32_t SJW; /*!< Specifies the maximum number of time quanta
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the CAN hardware is allowed to lengthen or
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shorten a bit to perform resynchronization.
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This parameter can be a value of @ref CAN_synchronisation_jump_width */
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uint32_t BS1; /*!< Specifies the number of time quanta in Bit Segment 1.
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This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_1 */
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uint32_t BS2; /*!< Specifies the number of time quanta in Bit Segment 2.
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This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */
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uint32_t TTCM; /*!< Enable or disable the time triggered communication mode.
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This parameter can be set to ENABLE or DISABLE. */
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uint32_t ABOM; /*!< Enable or disable the automatic bus-off management.
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This parameter can be set to ENABLE or DISABLE */
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uint32_t AWUM; /*!< Enable or disable the automatic wake-up mode.
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This parameter can be set to ENABLE or DISABLE */
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uint32_t NART; /*!< Enable or disable the non-automatic retransmission mode.
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This parameter can be set to ENABLE or DISABLE */
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uint32_t RFLM; /*!< Enable or disable the receive FIFO Locked mode.
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This parameter can be set to ENABLE or DISABLE */
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uint32_t TXFP; /*!< Enable or disable the transmit FIFO priority.
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This parameter can be set to ENABLE or DISABLE */
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}CAN_InitTypeDef;
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/**
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* @brief CAN filter configuration structure definition
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*/
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typedef struct
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{
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uint32_t FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit
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configuration, first one for a 16-bit configuration).
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This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
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uint32_t FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit
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configuration, second one for a 16-bit configuration).
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This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
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uint32_t FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number,
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according to the mode (MSBs for a 32-bit configuration,
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first one for a 16-bit configuration).
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This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
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uint32_t FilterMaskIdLow; /*!< Specifies the filter mask number or identification number,
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according to the mode (LSBs for a 32-bit configuration,
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second one for a 16-bit configuration).
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This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
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uint32_t FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1) which will be assigned to the filter.
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This parameter can be a value of @ref CAN_filter_FIFO */
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uint32_t FilterNumber; /*!< Specifies the filter which will be initialized.
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This parameter must be a number between Min_Data = 0 and Max_Data = 27 */
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uint32_t FilterMode; /*!< Specifies the filter mode to be initialized.
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This parameter can be a value of @ref CAN_filter_mode */
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uint32_t FilterScale; /*!< Specifies the filter scale.
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This parameter can be a value of @ref CAN_filter_scale */
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uint32_t FilterActivation; /*!< Enable or disable the filter.
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This parameter can be set to ENABLE or DISABLE. */
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uint32_t BankNumber; /*!< Select the start slave bank filter
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This parameter must be a number between Min_Data = 0 and Max_Data = 28 */
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}CAN_FilterConfTypeDef;
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/**
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* @brief CAN Tx message structure definition
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*/
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typedef struct
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{
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uint32_t StdId; /*!< Specifies the standard identifier.
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This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */
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uint32_t ExtId; /*!< Specifies the extended identifier.
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This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */
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uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted.
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This parameter can be a value of @ref CAN_identifier_type */
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uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted.
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This parameter can be a value of @ref CAN_remote_transmission_request */
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uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted.
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This parameter must be a number between Min_Data = 0 and Max_Data = 8 */
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uint32_t Data[8]; /*!< Contains the data to be transmitted.
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This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */
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}CanTxMsgTypeDef;
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/**
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* @brief CAN Rx message structure definition
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*/
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typedef struct
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{
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uint32_t StdId; /*!< Specifies the standard identifier.
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This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */
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uint32_t ExtId; /*!< Specifies the extended identifier.
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This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */
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uint32_t IDE; /*!< Specifies the type of identifier for the message that will be received.
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This parameter can be a value of @ref CAN_identifier_type */
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uint32_t RTR; /*!< Specifies the type of frame for the received message.
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This parameter can be a value of @ref CAN_remote_transmission_request */
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uint32_t DLC; /*!< Specifies the length of the frame that will be received.
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This parameter must be a number between Min_Data = 0 and Max_Data = 8 */
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uint32_t Data[8]; /*!< Contains the data to be received.
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This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */
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uint32_t FMI; /*!< Specifies the index of the filter the message stored in the mailbox passes through.
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This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */
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uint32_t FIFONumber; /*!< Specifies the receive FIFO number.
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This parameter can be CAN_FIFO0 or CAN_FIFO1 */
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}CanRxMsgTypeDef;
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/**
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* @brief CAN handle Structure definition
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*/
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typedef struct
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{
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CAN_TypeDef *Instance; /*!< Register base address */
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CAN_InitTypeDef Init; /*!< CAN required parameters */
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CanTxMsgTypeDef* pTxMsg; /*!< Pointer to transmit structure */
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CanRxMsgTypeDef* pRxMsg; /*!< Pointer to reception structure */
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__IO HAL_CAN_StateTypeDef State; /*!< CAN communication state */
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HAL_LockTypeDef Lock; /*!< CAN locking object */
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__IO uint32_t ErrorCode; /*!< CAN Error code */
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}CAN_HandleTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup CAN_Exported_Constants
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* @{
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*/
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/** @defgroup HAL CAN Error Code
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* @{
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*/
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#define HAL_CAN_ERROR_NONE 0x00 /*!< No error */
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#define HAL_CAN_ERROR_EWG 0x01 /*!< EWG error */
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#define HAL_CAN_ERROR_EPV 0x02 /*!< EPV error */
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#define HAL_CAN_ERROR_BOF 0x04 /*!< BOF error */
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#define HAL_CAN_ERROR_STF 0x08 /*!< Stuff error */
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#define HAL_CAN_ERROR_FOR 0x10 /*!< Form error */
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#define HAL_CAN_ERROR_ACK 0x20 /*!< Acknowledgment error */
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#define HAL_CAN_ERROR_BR 0x40 /*!< Bit recessive */
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#define HAL_CAN_ERROR_BD 0x80 /*!< LEC dominant */
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#define HAL_CAN_ERROR_CRC 0x100 /*!< LEC transfer error */
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/**
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* @}
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*/
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/** @defgroup CAN_InitStatus
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* @{
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*/
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#define CAN_INITSTATUS_FAILED ((uint8_t)0x00) /*!< CAN initialization failed */
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#define CAN_INITSTATUS_SUCCESS ((uint8_t)0x01) /*!< CAN initialization OK */
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/**
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* @}
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*/
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/** @defgroup CAN_operating_mode
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* @{
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*/
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#define CAN_MODE_NORMAL ((uint32_t)0x00000000) /*!< Normal mode */
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#define CAN_MODE_LOOPBACK ((uint32_t)CAN_BTR_LBKM) /*!< Loopback mode */
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#define CAN_MODE_SILENT ((uint32_t)CAN_BTR_SILM) /*!< Silent mode */
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#define CAN_MODE_SILENT_LOOPBACK ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM)) /*!< Loopback combined with silent mode */
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#define IS_CAN_MODE(MODE) (((MODE) == CAN_MODE_NORMAL) || \
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((MODE) == CAN_MODE_LOOPBACK)|| \
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((MODE) == CAN_MODE_SILENT) || \
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((MODE) == CAN_MODE_SILENT_LOOPBACK))
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/**
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* @}
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*/
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/** @defgroup CAN_synchronisation_jump_width
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* @{
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*/
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#define CAN_SJW_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */
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#define CAN_SJW_2TQ ((uint32_t)CAN_BTR_SJW_0) /*!< 2 time quantum */
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#define CAN_SJW_3TQ ((uint32_t)CAN_BTR_SJW_1) /*!< 3 time quantum */
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#define CAN_SJW_4TQ ((uint32_t)CAN_BTR_SJW) /*!< 4 time quantum */
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#define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1TQ) || ((SJW) == CAN_SJW_2TQ)|| \
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((SJW) == CAN_SJW_3TQ) || ((SJW) == CAN_SJW_4TQ))
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/**
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* @}
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*/
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/** @defgroup CAN_time_quantum_in_bit_segment_1
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* @{
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*/
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#define CAN_BS1_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */
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#define CAN_BS1_2TQ ((uint32_t)CAN_BTR_TS1_0) /*!< 2 time quantum */
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#define CAN_BS1_3TQ ((uint32_t)CAN_BTR_TS1_1) /*!< 3 time quantum */
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#define CAN_BS1_4TQ ((uint32_t)(CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 4 time quantum */
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#define CAN_BS1_5TQ ((uint32_t)CAN_BTR_TS1_2) /*!< 5 time quantum */
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#define CAN_BS1_6TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 6 time quantum */
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#define CAN_BS1_7TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 7 time quantum */
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#define CAN_BS1_8TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 8 time quantum */
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#define CAN_BS1_9TQ ((uint32_t)CAN_BTR_TS1_3) /*!< 9 time quantum */
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#define CAN_BS1_10TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_0)) /*!< 10 time quantum */
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#define CAN_BS1_11TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1)) /*!< 11 time quantum */
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#define CAN_BS1_12TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 12 time quantum */
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#define CAN_BS1_13TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2)) /*!< 13 time quantum */
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#define CAN_BS1_14TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 14 time quantum */
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#define CAN_BS1_15TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 15 time quantum */
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#define CAN_BS1_16TQ ((uint32_t)CAN_BTR_TS1) /*!< 16 time quantum */
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#define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16TQ)
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/**
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* @}
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*/
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/** @defgroup CAN_time_quantum_in_bit_segment_2
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* @{
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*/
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#define CAN_BS2_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */
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#define CAN_BS2_2TQ ((uint32_t)CAN_BTR_TS2_0) /*!< 2 time quantum */
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#define CAN_BS2_3TQ ((uint32_t)CAN_BTR_TS2_1) /*!< 3 time quantum */
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#define CAN_BS2_4TQ ((uint32_t)(CAN_BTR_TS2_1 | CAN_BTR_TS2_0)) /*!< 4 time quantum */
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#define CAN_BS2_5TQ ((uint32_t)CAN_BTR_TS2_2) /*!< 5 time quantum */
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#define CAN_BS2_6TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_0)) /*!< 6 time quantum */
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#define CAN_BS2_7TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_1)) /*!< 7 time quantum */
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#define CAN_BS2_8TQ ((uint32_t)CAN_BTR_TS2) /*!< 8 time quantum */
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#define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8TQ)
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/**
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* @}
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*/
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/** @defgroup CAN_clock_prescaler
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* @{
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*/
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#define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1) && ((PRESCALER) <= 1024))
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/**
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* @}
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*/
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/** @defgroup CAN_filter_number
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* @{
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*/
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#define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27)
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/**
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* @}
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*/
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/** @defgroup CAN_filter_mode
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* @{
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*/
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#define CAN_FILTERMODE_IDMASK ((uint8_t)0x00) /*!< Identifier mask mode */
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#define CAN_FILTERMODE_IDLIST ((uint8_t)0x01) /*!< Identifier list mode */
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#define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FILTERMODE_IDMASK) || \
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((MODE) == CAN_FILTERMODE_IDLIST))
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/**
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* @}
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*/
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/** @defgroup CAN_filter_scale
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* @{
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*/
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#define CAN_FILTERSCALE_16BIT ((uint8_t)0x00) /*!< Two 16-bit filters */
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#define CAN_FILTERSCALE_32BIT ((uint8_t)0x01) /*!< One 32-bit filter */
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#define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FILTERSCALE_16BIT) || \
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((SCALE) == CAN_FILTERSCALE_32BIT))
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/**
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* @}
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*/
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/** @defgroup CAN_filter_FIFO
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* @{
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*/
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#define CAN_FILTER_FIFO0 ((uint8_t)0x00) /*!< Filter FIFO 0 assignment for filter x */
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#define CAN_FILTER_FIFO1 ((uint8_t)0x01) /*!< Filter FIFO 1 assignment for filter x */
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#define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FILTER_FIFO0) || \
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((FIFO) == CAN_FILTER_FIFO1))
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/* Legacy defines */
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#define CAN_FilterFIFO0 CAN_FILTER_FIFO0
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#define CAN_FilterFIFO1 CAN_FILTER_FIFO1
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/**
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* @}
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*/
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/** @defgroup CAN_Start_bank_filter_for_slave_CAN
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* @{
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*/
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#define IS_CAN_BANKNUMBER(BANKNUMBER) ((BANKNUMBER) <= 28)
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/**
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* @}
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*/
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/** @defgroup CAN_Tx
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* @{
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*/
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#define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02))
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#define IS_CAN_STDID(STDID) ((STDID) <= ((uint32_t)0x7FF))
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#define IS_CAN_EXTID(EXTID) ((EXTID) <= ((uint32_t)0x1FFFFFFF))
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#define IS_CAN_DLC(DLC) ((DLC) <= ((uint8_t)0x08))
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/**
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* @}
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*/
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/** @defgroup CAN_identifier_type
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* @{
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*/
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#define CAN_ID_STD ((uint32_t)0x00000000) /*!< Standard Id */
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#define CAN_ID_EXT ((uint32_t)0x00000004) /*!< Extended Id */
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#define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_ID_STD) || \
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((IDTYPE) == CAN_ID_EXT))
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/**
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* @}
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*/
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/** @defgroup CAN_remote_transmission_request
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* @{
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*/
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#define CAN_RTR_DATA ((uint32_t)0x00000000) /*!< Data frame */
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#define CAN_RTR_REMOTE ((uint32_t)0x00000002) /*!< Remote frame */
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#define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_DATA) || ((RTR) == CAN_RTR_REMOTE))
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup CAN_transmit_constants
|
|
* @{
|
|
*/
|
|
#define CAN_TXSTATUS_FAILED ((uint8_t)0x00) /*!< CAN transmission failed */
|
|
#define CAN_TXSTATUS_OK ((uint8_t)0x01) /*!< CAN transmission succeeded */
|
|
#define CAN_TXSTATUS_PENDING ((uint8_t)0x02) /*!< CAN transmission pending */
|
|
#define CAN_TXSTATUS_NOMAILBOX ((uint8_t)0x04) /*!< CAN cell did not provide CAN_TxStatus_NoMailBox */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup 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 */
|
|
|
|
#define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1))
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup 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 */
|
|
|
|
#define IS_CAN_GET_FLAG(FLAG) (((FLAG) == CAN_FLAG_RQCP2) || ((FLAG) == CAN_FLAG_BOF) || \
|
|
((FLAG) == CAN_FLAG_EPV) || ((FLAG) == CAN_FLAG_EWG) || \
|
|
((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_FOV0) || \
|
|
((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_SLAK) || \
|
|
((FLAG) == CAN_FLAG_FOV1) || ((FLAG) == CAN_FLAG_FF1) || \
|
|
((FLAG) == CAN_FLAG_RQCP1) || ((FLAG) == CAN_FLAG_RQCP0))
|
|
|
|
|
|
#define IS_CAN_CLEAR_FLAG(FLAG)(((FLAG) == CAN_FLAG_SLAK) || ((FLAG) == CAN_FLAG_RQCP2) || \
|
|
((FLAG) == CAN_FLAG_RQCP1) || ((FLAG) == CAN_FLAG_RQCP0) || \
|
|
((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FOV0) || \
|
|
((FLAG) == CAN_FLAG_FF1) || ((FLAG) == CAN_FLAG_FOV1) || \
|
|
((FLAG) == CAN_FLAG_WKU))
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/** @defgroup 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 */
|
|
|
|
/* Flags named as Interrupts : kept only for FW compatibility */
|
|
#define CAN_IT_RQCP0 CAN_IT_TME
|
|
#define CAN_IT_RQCP1 CAN_IT_TME
|
|
#define CAN_IT_RQCP2 CAN_IT_TME
|
|
|
|
#define IS_CAN_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FMP0) ||\
|
|
((IT) == CAN_IT_FF0) || ((IT) == CAN_IT_FOV0) ||\
|
|
((IT) == CAN_IT_FMP1) || ((IT) == CAN_IT_FF1) ||\
|
|
((IT) == CAN_IT_FOV1) || ((IT) == CAN_IT_EWG) ||\
|
|
((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
|
|
((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
|
|
((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
|
|
|
|
#define IS_CAN_CLEAR_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FF0) ||\
|
|
((IT) == CAN_IT_FOV0)|| ((IT) == CAN_IT_FF1) ||\
|
|
((IT) == CAN_IT_FOV1)|| ((IT) == CAN_IT_EWG) ||\
|
|
((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
|
|
((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
|
|
((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* Time out for INAK bit */
|
|
#define INAK_TIMEOUT ((uint32_t)0x0000FFFF)
|
|
/* Time out for SLAK bit */
|
|
#define SLAK_TIMEOUT ((uint32_t)0x0000FFFF)
|
|
|
|
/* 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 ------------------------------------------------------------*/
|
|
|
|
/**
|
|
* @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 CAN_FLAG_MASK ((uint32_t)0x000000FF)
|
|
#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 enablev
|
|
* @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 --------------------------------------------------------*/
|
|
|
|
/* 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);
|
|
|
|
/* 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);
|
|
|
|
/* Peripheral State functions ***************************************************/
|
|
void HAL_CAN_IRQHandler(CAN_HandleTypeDef* hcan);
|
|
uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan);
|
|
HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef* hcan);
|
|
|
|
void HAL_CAN_TxCpltCallback(CAN_HandleTypeDef* hcan);
|
|
void HAL_CAN_RxCpltCallback(CAN_HandleTypeDef* hcan);
|
|
void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan);
|
|
|
|
#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __STM32F4xx_CAN_H */
|
|
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|