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Diff: TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_ARM_STD/stm32l4xx_hal_can.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 165:d1b4690b3f8b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_ARM_STD/stm32l4xx_hal_can.h Thu Nov 08 11:45:42 2018 +0000
@@ -0,0 +1,784 @@
+/**
+ ******************************************************************************
+ * @file stm32l4xx_hal_can.h
+ * @author MCD Application Team
+ * @brief Header file of CAN HAL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2017 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 STM32L4xx_HAL_CAN_H
+#define STM32L4xx_HAL_CAN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx_hal_def.h"
+
+/** @addtogroup STM32L4xx_HAL_Driver
+ * @{
+ */
+
+#if defined (CAN1)
+/** @addtogroup CAN
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/** @defgroup CAN_Exported_Types CAN Exported Types
+ * @{
+ */
+/**
+ * @brief HAL State structures definition
+ */
+typedef enum
+{
+ HAL_CAN_STATE_RESET = 0x00U, /*!< CAN not yet initialized or disabled */
+ HAL_CAN_STATE_READY = 0x01U, /*!< CAN initialized and ready for use */
+ HAL_CAN_STATE_LISTENING = 0x02U, /*!< CAN receive process is ongoing */
+ HAL_CAN_STATE_SLEEP_PENDING = 0x03U, /*!< CAN sleep request is pending */
+ HAL_CAN_STATE_SLEEP_ACTIVE = 0x04U, /*!< CAN sleep mode is active */
+ HAL_CAN_STATE_ERROR = 0x05U /*!< 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 SyncJumpWidth; /*!< 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 TimeSeg1; /*!< 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 TimeSeg2; /*!< 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 */
+
+ FunctionalState TimeTriggeredMode; /*!< Enable or disable the time triggered communication mode.
+ This parameter can be set to ENABLE or DISABLE. */
+
+ FunctionalState AutoBusOff; /*!< Enable or disable the automatic bus-off management.
+ This parameter can be set to ENABLE or DISABLE. */
+
+ FunctionalState AutoWakeUp; /*!< Enable or disable the automatic wake-up mode.
+ This parameter can be set to ENABLE or DISABLE. */
+
+ FunctionalState AutoRetransmission; /*!< Enable or disable the non-automatic retransmission mode.
+ This parameter can be set to ENABLE or DISABLE. */
+
+ FunctionalState ReceiveFifoLocked; /*!< Enable or disable the Receive FIFO Locked mode.
+ This parameter can be set to ENABLE or DISABLE. */
+
+ FunctionalState TransmitFifoPriority;/*!< 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 1U) which will be assigned to the filter.
+ This parameter can be a value of @ref CAN_filter_FIFO */
+
+ uint32_t FilterBank; /*!< Specifies the filter bank which will be initialized.
+ For single CAN instance(14 dedicated filter banks),
+ this parameter must be a number between Min_Data = 0 and Max_Data = 13.
+ For dual CAN instances(28 filter banks shared),
+ 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 SlaveStartFilterBank; /*!< Select the start filter bank for the slave CAN instance.
+ For single CAN instances, this parameter is meaningless.
+ For dual CAN instances, all filter banks with lower index are assigned to master
+ CAN instance, whereas all filter banks with greater index are assigned to slave
+ CAN instance.
+ This parameter must be a number between Min_Data = 0 and Max_Data = 27. */
+
+} CAN_FilterTypeDef;
+
+/**
+ * @brief CAN Tx message header 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. */
+
+ FunctionalState TransmitGlobalTime; /*!< Specifies whether the timestamp counter value captured on start
+ of frame transmission, is sent in DATA6 and DATA7 replacing pData[6] and pData[7].
+ @note: Time Triggered Communication Mode must be enabled.
+ @note: DLC must be programmed as 8 bytes, in order these 2 bytes are sent.
+ This parameter can be set to ENABLE or DISABLE. */
+
+} CAN_TxHeaderTypeDef;
+
+/**
+ * @brief CAN Rx message header 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 Timestamp; /*!< Specifies the timestamp counter value captured on start of frame reception.
+ @note: Time Triggered Communication Mode must be enabled.
+ This parameter must be a number between Min_Data = 0 and Max_Data = 0xFFFF. */
+
+ uint32_t FilterMatchIndex; /*!< Specifies the index of matching acceptance filter element.
+ This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF. */
+
+} CAN_RxHeaderTypeDef;
+
+/**
+ * @brief CAN handle Structure definition
+ */
+typedef struct __CAN_HandleTypeDef
+{
+ CAN_TypeDef *Instance; /*!< Register base address */
+
+ CAN_InitTypeDef Init; /*!< CAN required parameters */
+
+ __IO HAL_CAN_StateTypeDef State; /*!< CAN communication state */
+
+ __IO uint32_t ErrorCode; /*!< CAN Error code.
+ This parameter can be a value of @ref CAN_Error_Code */
+
+} CAN_HandleTypeDef;
+
+/**
+ * @}
+ */
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CAN_Exported_Constants CAN Exported Constants
+ * @{
+ */
+
+/** @defgroup CAN_Error_Code CAN Error Code
+ * @{
+ */
+#define HAL_CAN_ERROR_NONE (0x00000000U) /*!< No error */
+#define HAL_CAN_ERROR_EWG (0x00000001U) /*!< Protocol Error Warning */
+#define HAL_CAN_ERROR_EPV (0x00000002U) /*!< Error Passive */
+#define HAL_CAN_ERROR_BOF (0x00000004U) /*!< Bus-off error */
+#define HAL_CAN_ERROR_STF (0x00000008U) /*!< Stuff error */
+#define HAL_CAN_ERROR_FOR (0x00000010U) /*!< Form error */
+#define HAL_CAN_ERROR_ACK (0x00000020U) /*!< Acknowledgment error */
+#define HAL_CAN_ERROR_BR (0x00000040U) /*!< Bit recessive error */
+#define HAL_CAN_ERROR_BD (0x00000080U) /*!< Bit dominant error */
+#define HAL_CAN_ERROR_CRC (0x00000100U) /*!< CRC error */
+#define HAL_CAN_ERROR_RX_FOV0 (0x00000200U) /*!< Rx FIFO0 overrun error */
+#define HAL_CAN_ERROR_RX_FOV1 (0x00000400U) /*!< Rx FIFO1 overrun error */
+#define HAL_CAN_ERROR_TX_ALST0 (0x00000800U) /*!< TxMailbox 0 transmit failure due to arbitration lost */
+#define HAL_CAN_ERROR_TX_TERR0 (0x00001000U) /*!< TxMailbox 1 transmit failure due to tranmit error */
+#define HAL_CAN_ERROR_TX_ALST1 (0x00002000U) /*!< TxMailbox 0 transmit failure due to arbitration lost */
+#define HAL_CAN_ERROR_TX_TERR1 (0x00004000U) /*!< TxMailbox 1 transmit failure due to tranmit error */
+#define HAL_CAN_ERROR_TX_ALST2 (0x00008000U) /*!< TxMailbox 0 transmit failure due to arbitration lost */
+#define HAL_CAN_ERROR_TX_TERR2 (0x00010000U) /*!< TxMailbox 1 transmit failure due to tranmit error */
+#define HAL_CAN_ERROR_TIMEOUT (0x00020000U) /*!< Timeout error */
+#define HAL_CAN_ERROR_NOT_INITIALIZED (0x00040000U) /*!< Peripheral not initialized */
+#define HAL_CAN_ERROR_NOT_READY (0x00080000U) /*!< Peripheral not ready */
+#define HAL_CAN_ERROR_NOT_STARTED (0x00100000U) /*!< Peripheral not started */
+#define HAL_CAN_ERROR_PARAM (0x00200000U) /*!< Parameter error */
+
+/**
+ * @}
+ */
+
+/** @defgroup CAN_InitStatus CAN InitStatus
+ * @{
+ */
+#define CAN_INITSTATUS_FAILED (0x00000000U) /*!< CAN initialization failed */
+#define CAN_INITSTATUS_SUCCESS (0x00000001U) /*!< CAN initialization OK */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_operating_mode CAN Operating Mode
+ * @{
+ */
+#define CAN_MODE_NORMAL (0x00000000U) /*!< 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 Synchronization Jump Width
+ * @{
+ */
+#define CAN_SJW_1TQ (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< Identifier mask mode */
+#define CAN_FILTERMODE_IDLIST (0x00000001U) /*!< Identifier list mode */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_scale CAN Filter Scale
+ * @{
+ */
+#define CAN_FILTERSCALE_16BIT (0x00000000U) /*!< Two 16-bit filters */
+#define CAN_FILTERSCALE_32BIT (0x00000001U) /*!< One 32-bit filter */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_FIFO CAN Filter FIFO
+ * @{
+ */
+#define CAN_FILTER_FIFO0 (0x00000000U) /*!< Filter FIFO 0 assignment for filter x */
+#define CAN_FILTER_FIFO1 (0x00000001U) /*!< Filter FIFO 1 assignment for filter x */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_identifier_type CAN Identifier Type
+ * @{
+ */
+#define CAN_ID_STD (0x00000000U) /*!< Standard Id */
+#define CAN_ID_EXT (0x00000004U) /*!< Extended Id */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_remote_transmission_request CAN Remote Transmission Request
+ * @{
+ */
+#define CAN_RTR_DATA (0x00000000U) /*!< Data frame */
+#define CAN_RTR_REMOTE (0x00000002U) /*!< Remote frame */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_receive_FIFO_number CAN Receive FIFO Number
+ * @{
+ */
+#define CAN_RX_FIFO0 (0x00000000U) /*!< CAN receive FIFO 0 */
+#define CAN_RX_FIFO1 (0x00000001U) /*!< CAN receive FIFO 1 */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_Tx_Mailboxes CAN Tx Mailboxes
+ * @{
+ */
+#define CAN_TX_MAILBOX0 (0x00000001U) /*!< Tx Mailbox 0 */
+#define CAN_TX_MAILBOX1 (0x00000002U) /*!< Tx Mailbox 1 */
+#define CAN_TX_MAILBOX2 (0x00000004U) /*!< Tx Mailbox 2 */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_flags CAN Flags
+ * @{
+ */
+/* Transmit Flags */
+#define CAN_FLAG_RQCP0 (0x00000500U) /*!< Request complete MailBox 0 flag */
+#define CAN_FLAG_TXOK0 (0x00000501U) /*!< Transmission OK MailBox 0 flag */
+#define CAN_FLAG_ALST0 (0x00000502U) /*!< Arbitration Lost MailBox 0 flag */
+#define CAN_FLAG_TERR0 (0x00000503U) /*!< Transmission error MailBox 0 flag */
+#define CAN_FLAG_RQCP1 (0x00000508U) /*!< Request complete MailBox1 flag */
+#define CAN_FLAG_TXOK1 (0x00000509U) /*!< Transmission OK MailBox 1 flag */
+#define CAN_FLAG_ALST1 (0x0000050AU) /*!< Arbitration Lost MailBox 1 flag */
+#define CAN_FLAG_TERR1 (0x0000050BU) /*!< Transmission error MailBox 1 flag */
+#define CAN_FLAG_RQCP2 (0x00000510U) /*!< Request complete MailBox2 flag */
+#define CAN_FLAG_TXOK2 (0x00000511U) /*!< Transmission OK MailBox 2 flag */
+#define CAN_FLAG_ALST2 (0x00000512U) /*!< Arbitration Lost MailBox 2 flag */
+#define CAN_FLAG_TERR2 (0x00000513U) /*!< Transmission error MailBox 2 flag */
+#define CAN_FLAG_TME0 (0x0000051AU) /*!< Transmit mailbox 0 empty flag */
+#define CAN_FLAG_TME1 (0x0000051BU) /*!< Transmit mailbox 1 empty flag */
+#define CAN_FLAG_TME2 (0x0000051CU) /*!< Transmit mailbox 2 empty flag */
+#define CAN_FLAG_LOW0 (0x0000051DU) /*!< Lowest priority mailbox 0 flag */
+#define CAN_FLAG_LOW1 (0x0000051EU) /*!< Lowest priority mailbox 1 flag */
+#define CAN_FLAG_LOW2 (0x0000051FU) /*!< Lowest priority mailbox 2 flag */
+
+/* Receive Flags */
+#define CAN_FLAG_FF0 (0x00000203U) /*!< RX FIFO 0 Full flag */
+#define CAN_FLAG_FOV0 (0x00000204U) /*!< RX FIFO 0 Overrun flag */
+#define CAN_FLAG_FF1 (0x00000403U) /*!< RX FIFO 1 Full flag */
+#define CAN_FLAG_FOV1 (0x00000404U) /*!< RX FIFO 1 Overrun flag */
+
+/* Operating Mode Flags */
+#define CAN_FLAG_INAK (0x00000100U) /*!< Initialization acknowledge flag */
+#define CAN_FLAG_SLAK (0x00000101U) /*!< Sleep acknowledge flag */
+#define CAN_FLAG_ERRI (0x00000102U) /*!< Error flag */
+#define CAN_FLAG_WKU (0x00000103U) /*!< Wake up interrupt flag */
+#define CAN_FLAG_SLAKI (0x00000104U) /*!< Sleep acknowledge interrupt flag */
+
+/* Error Flags */
+#define CAN_FLAG_EWG (0x00000300U) /*!< Error warning flag */
+#define CAN_FLAG_EPV (0x00000301U) /*!< Error passive flag */
+#define CAN_FLAG_BOF (0x00000302U) /*!< Bus-Off flag */
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Interrupts CAN Interrupts
+ * @{
+ */
+/* Transmit Interrupt */
+#define CAN_IT_TX_MAILBOX_EMPTY ((uint32_t)CAN_IER_TMEIE) /*!< Transmit mailbox empty interrupt */
+
+/* Receive Interrupts */
+#define CAN_IT_RX_FIFO0_MSG_PENDING ((uint32_t)CAN_IER_FMPIE0) /*!< FIFO 0 message pending interrupt */
+#define CAN_IT_RX_FIFO0_FULL ((uint32_t)CAN_IER_FFIE0) /*!< FIFO 0 full interrupt */
+#define CAN_IT_RX_FIFO0_OVERRUN ((uint32_t)CAN_IER_FOVIE0) /*!< FIFO 0 overrun interrupt */
+#define CAN_IT_RX_FIFO1_MSG_PENDING ((uint32_t)CAN_IER_FMPIE1) /*!< FIFO 1 message pending interrupt */
+#define CAN_IT_RX_FIFO1_FULL ((uint32_t)CAN_IER_FFIE1) /*!< FIFO 1 full interrupt */
+#define CAN_IT_RX_FIFO1_OVERRUN ((uint32_t)CAN_IER_FOVIE1) /*!< FIFO 1 overrun interrupt */
+
+/* Operating Mode Interrupts */
+#define CAN_IT_WAKEUP ((uint32_t)CAN_IER_WKUIE) /*!< Wake-up interrupt */
+#define CAN_IT_SLEEP_ACK ((uint32_t)CAN_IER_SLKIE) /*!< Sleep acknowledge interrupt */
+
+/* Error Interrupts */
+#define CAN_IT_ERROR_WARNING ((uint32_t)CAN_IER_EWGIE) /*!< Error warning interrupt */
+#define CAN_IT_ERROR_PASSIVE ((uint32_t)CAN_IER_EPVIE) /*!< Error passive interrupt */
+#define CAN_IT_BUSOFF ((uint32_t)CAN_IER_BOFIE) /*!< Bus-off interrupt */
+#define CAN_IT_LAST_ERROR_CODE ((uint32_t)CAN_IER_LECIE) /*!< Last error code interrupt */
+#define CAN_IT_ERROR ((uint32_t)CAN_IER_ERRIE) /*!< Error Interrupt */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macros -----------------------------------------------------------*/
+/** @defgroup CAN_Exported_Macros CAN Exported Macros
+ * @{
+ */
+
+/** @brief Reset CAN handle state
+ * @param __HANDLE__ 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 sources to enable.
+ * This parameter can be any combination of @arg CAN_Interrupts
+ * @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 sources to disable.
+ * This parameter can be any combination of @arg CAN_Interrupts
+ * @retval None
+ */
+#define __HAL_CAN_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) &= ~(__INTERRUPT__))
+
+/** @brief Check if the specified CAN interrupt source is enabled or disabled.
+ * @param __HANDLE__ specifies the CAN Handle.
+ * @param __INTERRUPT__ specifies the CAN interrupt source to check.
+ * This parameter can be a value of @arg CAN_Interrupts
+ * @retval The state of __IT__ (TRUE or FALSE).
+ */
+#define __HAL_CAN_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) & (__INTERRUPT__))
+
+/** @brief Check whether the specified CAN flag is set or not.
+ * @param __HANDLE__ specifies the CAN Handle.
+ * @param __FLAG__ specifies the flag to check.
+ * This parameter can be one of @arg CAN_flags
+ * @retval The state of __FLAG__ (TRUE or FALSE).
+ */
+#define __HAL_CAN_GET_FLAG(__HANDLE__, __FLAG__) \
+ ((((__FLAG__) >> 8U) == 5U)? ((((__HANDLE__)->Instance->TSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
+ (((__FLAG__) >> 8U) == 2U)? ((((__HANDLE__)->Instance->RF0R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
+ (((__FLAG__) >> 8U) == 4U)? ((((__HANDLE__)->Instance->RF1R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
+ (((__FLAG__) >> 8U) == 1U)? ((((__HANDLE__)->Instance->MSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
+ (((__FLAG__) >> 8U) == 3U)? ((((__HANDLE__)->Instance->ESR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U)
+
+/** @brief Clear the specified CAN pending flag.
+ * @param __HANDLE__ specifies the CAN Handle.
+ * @param __FLAG__ specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg CAN_FLAG_RQCP0: Request complete MailBox 0 Flag
+ * @arg CAN_FLAG_TXOK0: Transmission OK MailBox 0 Flag
+ * @arg CAN_FLAG_ALST0: Arbitration Lost MailBox 0 Flag
+ * @arg CAN_FLAG_TERR0: Transmission error MailBox 0 Flag
+ * @arg CAN_FLAG_RQCP1: Request complete MailBox 1 Flag
+ * @arg CAN_FLAG_TXOK1: Transmission OK MailBox 1 Flag
+ * @arg CAN_FLAG_ALST1: Arbitration Lost MailBox 1 Flag
+ * @arg CAN_FLAG_TERR1: Transmission error MailBox 1 Flag
+ * @arg CAN_FLAG_RQCP2: Request complete MailBox 2 Flag
+ * @arg CAN_FLAG_TXOK2: Transmission OK MailBox 2 Flag
+ * @arg CAN_FLAG_ALST2: Arbitration Lost MailBox 2 Flag
+ * @arg CAN_FLAG_TERR2: Transmission error MailBox 2 Flag
+ * @arg CAN_FLAG_FF0: RX FIFO 0 Full Flag
+ * @arg CAN_FLAG_FOV0: RX FIFO 0 Overrun Flag
+ * @arg CAN_FLAG_FF1: RX FIFO 1 Full Flag
+ * @arg CAN_FLAG_FOV1: RX FIFO 1 Overrun Flag
+ * @arg CAN_FLAG_WKUI: Wake up Interrupt Flag
+ * @arg CAN_FLAG_SLAKI: Sleep acknowledge Interrupt Flag
+ * @retval None
+ */
+#define __HAL_CAN_CLEAR_FLAG(__HANDLE__, __FLAG__) \
+ ((((__FLAG__) >> 8U) == 5U)? (((__HANDLE__)->Instance->TSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
+ (((__FLAG__) >> 8U) == 2U)? (((__HANDLE__)->Instance->RF0R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
+ (((__FLAG__) >> 8U) == 4U)? (((__HANDLE__)->Instance->RF1R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
+ (((__FLAG__) >> 8U) == 1U)? (((__HANDLE__)->Instance->MSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U)
+
+/**
+ * @}
+ */
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup CAN_Exported_Functions CAN Exported Functions
+ * @{
+ */
+
+/** @addtogroup CAN_Exported_Functions_Group1 Initialization and de-initialization functions
+ * @brief Initialization and Configuration functions
+ * @{
+ */
+
+/* Initialization and de-initialization functions *****************************/
+HAL_StatusTypeDef HAL_CAN_Init(CAN_HandleTypeDef *hcan);
+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 Configuration functions
+ * @brief Configuration functions
+ * @{
+ */
+
+/* Configuration functions ****************************************************/
+HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef *hcan, CAN_FilterTypeDef *sFilterConfig);
+
+/**
+ * @}
+ */
+
+/** @addtogroup CAN_Exported_Functions_Group3 Control functions
+ * @brief Control functions
+ * @{
+ */
+
+/* Control functions **********************************************************/
+HAL_StatusTypeDef HAL_CAN_Start(CAN_HandleTypeDef *hcan);
+HAL_StatusTypeDef HAL_CAN_Stop(CAN_HandleTypeDef *hcan);
+HAL_StatusTypeDef HAL_CAN_RequestSleep(CAN_HandleTypeDef *hcan);
+HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef *hcan);
+uint32_t HAL_CAN_IsSleepActive(CAN_HandleTypeDef *hcan);
+HAL_StatusTypeDef HAL_CAN_AddTxMessage(CAN_HandleTypeDef *hcan, CAN_TxHeaderTypeDef *pHeader, uint8_t aData[], uint32_t *pTxMailbox);
+HAL_StatusTypeDef HAL_CAN_AbortTxRequest(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes);
+uint32_t HAL_CAN_GetTxMailboxesFreeLevel(CAN_HandleTypeDef *hcan);
+uint32_t HAL_CAN_IsTxMessagePending(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes);
+uint32_t HAL_CAN_GetTxTimestamp(CAN_HandleTypeDef *hcan, uint32_t TxMailbox);
+HAL_StatusTypeDef HAL_CAN_GetRxMessage(CAN_HandleTypeDef *hcan, uint32_t RxFifo, CAN_RxHeaderTypeDef *pHeader, uint8_t aData[]);
+uint32_t HAL_CAN_GetRxFifoFillLevel(CAN_HandleTypeDef *hcan, uint32_t RxFifo);
+
+/**
+ * @}
+ */
+
+/** @addtogroup CAN_Exported_Functions_Group4 Interrupts management
+ * @brief Interrupts management
+ * @{
+ */
+/* Interrupts management ******************************************************/
+HAL_StatusTypeDef HAL_CAN_ActivateNotification(CAN_HandleTypeDef *hcan, uint32_t ActiveITs);
+HAL_StatusTypeDef HAL_CAN_DeactivateNotification(CAN_HandleTypeDef *hcan, uint32_t InactiveITs);
+void HAL_CAN_IRQHandler(CAN_HandleTypeDef *hcan);
+
+/**
+ * @}
+ */
+
+/** @addtogroup CAN_Exported_Functions_Group5 Callback functions
+ * @brief Callback functions
+ * @{
+ */
+/* Callbacks functions ********************************************************/
+
+void HAL_CAN_TxMailbox0CompleteCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_TxMailbox1CompleteCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_TxMailbox2CompleteCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_TxMailbox0AbortCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_TxMailbox1AbortCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_TxMailbox2AbortCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_RxFifo0FullCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_RxFifo1MsgPendingCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_RxFifo1FullCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_SleepCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_WakeUpFromRxMsgCallback(CAN_HandleTypeDef *hcan);
+void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan);
+
+/**
+ * @}
+ */
+
+/** @addtogroup CAN_Exported_Functions_Group6 Peripheral State and Error functions
+ * @brief CAN Peripheral State functions
+ * @{
+ */
+/* Peripheral State and Error functions ***************************************/
+HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef *hcan);
+uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan);
+HAL_StatusTypeDef HAL_CAN_ResetError(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_FLAG_MASK (0x000000FFU)
+/**
+ * @}
+ */
+
+/* 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_1TQ) || ((BS1) == CAN_BS1_2TQ) || \
+ ((BS1) == CAN_BS1_3TQ) || ((BS1) == CAN_BS1_4TQ) || \
+ ((BS1) == CAN_BS1_5TQ) || ((BS1) == CAN_BS1_6TQ) || \
+ ((BS1) == CAN_BS1_7TQ) || ((BS1) == CAN_BS1_8TQ) || \
+ ((BS1) == CAN_BS1_9TQ) || ((BS1) == CAN_BS1_10TQ)|| \
+ ((BS1) == CAN_BS1_11TQ)|| ((BS1) == CAN_BS1_12TQ)|| \
+ ((BS1) == CAN_BS1_13TQ)|| ((BS1) == CAN_BS1_14TQ)|| \
+ ((BS1) == CAN_BS1_15TQ)|| ((BS1) == CAN_BS1_16TQ))
+#define IS_CAN_BS2(BS2) (((BS2) == CAN_BS2_1TQ) || ((BS2) == CAN_BS2_2TQ) || \
+ ((BS2) == CAN_BS2_3TQ) || ((BS2) == CAN_BS2_4TQ) || \
+ ((BS2) == CAN_BS2_5TQ) || ((BS2) == CAN_BS2_6TQ) || \
+ ((BS2) == CAN_BS2_7TQ) || ((BS2) == CAN_BS2_8TQ))
+#define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1U) && ((PRESCALER) <= 1024U))
+#define IS_CAN_FILTER_ID_HALFWORD(HALFWORD) ((HALFWORD) <= 0xFFFFU)
+#define IS_CAN_FILTER_BANK_DUAL(BANK) ((BANK) <= 27U)
+#define IS_CAN_FILTER_BANK_SINGLE(BANK) ((BANK) <= 13U)
+#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_TX_MAILBOX(TRANSMITMAILBOX) (((TRANSMITMAILBOX) == CAN_TX_MAILBOX0 ) || \
+ ((TRANSMITMAILBOX) == CAN_TX_MAILBOX1 ) || \
+ ((TRANSMITMAILBOX) == CAN_TX_MAILBOX2 ))
+#define IS_CAN_TX_MAILBOX_LIST(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= (CAN_TX_MAILBOX0 | CAN_TX_MAILBOX1 | CAN_TX_MAILBOX2))
+#define IS_CAN_STDID(STDID) ((STDID) <= 0x7FFU)
+#define IS_CAN_EXTID(EXTID) ((EXTID) <= 0x1FFFFFFFU)
+#define IS_CAN_DLC(DLC) ((DLC) <= 8U)
+#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_RX_FIFO(FIFO) (((FIFO) == CAN_RX_FIFO0) || ((FIFO) == CAN_RX_FIFO1))
+#define IS_CAN_IT(IT) ((IT) <= (CAN_IT_TX_MAILBOX_EMPTY | CAN_IT_RX_FIFO0_MSG_PENDING | \
+ CAN_IT_RX_FIFO0_FULL | CAN_IT_RX_FIFO0_OVERRUN | \
+ CAN_IT_RX_FIFO1_MSG_PENDING | CAN_IT_RX_FIFO1_FULL | \
+ CAN_IT_RX_FIFO1_OVERRUN | CAN_IT_WAKEUP | \
+ CAN_IT_SLEEP_ACK | CAN_IT_ERROR_WARNING | \
+ CAN_IT_ERROR_PASSIVE | CAN_IT_BUSOFF | \
+ CAN_IT_LAST_ERROR_CODE | CAN_IT_ERROR))
+
+/**
+ * @}
+ */
+/* End of private macros -----------------------------------------------------*/
+
+/**
+ * @}
+ */
+
+
+#endif /* CAN1 */
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32L4xx_HAL_CAN_H */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
