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TARGET_K66F/TOOLCHAIN_IAR/fsl_flexcan.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
TARGET_RO359B/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K24F/drivers/fsl_flexcan.h@143:86740a56073b 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 143:86740a56073b 1 /*
AnnaBridge 143:86740a56073b 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
AnnaBridge 143:86740a56073b 3 * Copyright 2016-2017 NXP
AnnaBridge 143:86740a56073b 4 *
AnnaBridge 143:86740a56073b 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 143:86740a56073b 6 * are permitted provided that the following conditions are met:
AnnaBridge 143:86740a56073b 7 *
AnnaBridge 143:86740a56073b 8 * o Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 143:86740a56073b 9 * of conditions and the following disclaimer.
AnnaBridge 143:86740a56073b 10 *
AnnaBridge 143:86740a56073b 11 * o Redistributions in binary form must reproduce the above copyright notice, this
AnnaBridge 143:86740a56073b 12 * list of conditions and the following disclaimer in the documentation and/or
AnnaBridge 143:86740a56073b 13 * other materials provided with the distribution.
AnnaBridge 143:86740a56073b 14 *
AnnaBridge 143:86740a56073b 15 * o Neither the name of the copyright holder nor the names of its
AnnaBridge 143:86740a56073b 16 * contributors may be used to endorse or promote products derived from this
AnnaBridge 143:86740a56073b 17 * software without specific prior written permission.
AnnaBridge 143:86740a56073b 18 *
AnnaBridge 143:86740a56073b 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 143:86740a56073b 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 143:86740a56073b 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 143:86740a56073b 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 143:86740a56073b 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 143:86740a56073b 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 143:86740a56073b 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 143:86740a56073b 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 143:86740a56073b 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 143:86740a56073b 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 143:86740a56073b 29 */
AnnaBridge 143:86740a56073b 30 #ifndef _FSL_FLEXCAN_H_
AnnaBridge 143:86740a56073b 31 #define _FSL_FLEXCAN_H_
AnnaBridge 143:86740a56073b 32
AnnaBridge 143:86740a56073b 33 #include "fsl_common.h"
AnnaBridge 143:86740a56073b 34
AnnaBridge 143:86740a56073b 35 /*!
AnnaBridge 143:86740a56073b 36 * @addtogroup flexcan_driver
AnnaBridge 143:86740a56073b 37 * @{
AnnaBridge 143:86740a56073b 38 */
AnnaBridge 143:86740a56073b 39
AnnaBridge 143:86740a56073b 40 /******************************************************************************
AnnaBridge 143:86740a56073b 41 * Definitions
AnnaBridge 143:86740a56073b 42 *****************************************************************************/
AnnaBridge 143:86740a56073b 43
AnnaBridge 143:86740a56073b 44 /*! @name Driver version */
AnnaBridge 143:86740a56073b 45 /*@{*/
AnnaBridge 143:86740a56073b 46 /*! @brief FlexCAN driver version 2.2.0. */
AnnaBridge 143:86740a56073b 47 #define FLEXCAN_DRIVER_VERSION (MAKE_VERSION(2, 2, 0))
AnnaBridge 143:86740a56073b 48 /*@}*/
AnnaBridge 143:86740a56073b 49
AnnaBridge 143:86740a56073b 50 /*! @brief FlexCAN Frame ID helper macro. */
AnnaBridge 143:86740a56073b 51 #define FLEXCAN_ID_STD(id) \
AnnaBridge 143:86740a56073b 52 (((uint32_t)(((uint32_t)(id)) << CAN_ID_STD_SHIFT)) & CAN_ID_STD_MASK) /*!< Standard Frame ID helper macro. */
AnnaBridge 143:86740a56073b 53 #define FLEXCAN_ID_EXT(id) \
AnnaBridge 143:86740a56073b 54 (((uint32_t)(((uint32_t)(id)) << CAN_ID_EXT_SHIFT)) & \
AnnaBridge 143:86740a56073b 55 (CAN_ID_EXT_MASK | CAN_ID_STD_MASK)) /*!< Extend Frame ID helper macro. */
AnnaBridge 143:86740a56073b 56
AnnaBridge 143:86740a56073b 57 /*! @brief FlexCAN Rx Message Buffer Mask helper macro. */
AnnaBridge 143:86740a56073b 58 #define FLEXCAN_RX_MB_STD_MASK(id, rtr, ide) \
AnnaBridge 143:86740a56073b 59 (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \
AnnaBridge 143:86740a56073b 60 FLEXCAN_ID_STD(id)) /*!< Standard Rx Message Buffer Mask helper macro. */
AnnaBridge 143:86740a56073b 61 #define FLEXCAN_RX_MB_EXT_MASK(id, rtr, ide) \
AnnaBridge 143:86740a56073b 62 (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \
AnnaBridge 143:86740a56073b 63 FLEXCAN_ID_EXT(id)) /*!< Extend Rx Message Buffer Mask helper macro. */
AnnaBridge 143:86740a56073b 64
AnnaBridge 143:86740a56073b 65 /*! @brief FlexCAN Rx FIFO Mask helper macro. */
AnnaBridge 143:86740a56073b 66 #define FLEXCAN_RX_FIFO_STD_MASK_TYPE_A(id, rtr, ide) \
AnnaBridge 143:86740a56073b 67 (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \
AnnaBridge 143:86740a56073b 68 (FLEXCAN_ID_STD(id) << 1)) /*!< Standard Rx FIFO Mask helper macro Type A helper macro. */
AnnaBridge 143:86740a56073b 69 #define FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_HIGH(id, rtr, ide) \
AnnaBridge 143:86740a56073b 70 (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \
AnnaBridge 143:86740a56073b 71 (((uint32_t)(id) & 0x7FF) << 19)) /*!< Standard Rx FIFO Mask helper macro Type B upper part helper macro. */
AnnaBridge 143:86740a56073b 72 #define FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_LOW(id, rtr, ide) \
AnnaBridge 143:86740a56073b 73 (((uint32_t)((uint32_t)(rtr) << 15) | (uint32_t)((uint32_t)(ide) << 14)) | \
AnnaBridge 143:86740a56073b 74 (((uint32_t)(id) & 0x7FF) << 3)) /*!< Standard Rx FIFO Mask helper macro Type B lower part helper macro. */
AnnaBridge 143:86740a56073b 75 #define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_HIGH(id) \
AnnaBridge 143:86740a56073b 76 (((uint32_t)(id) & 0x7F8) << 21) /*!< Standard Rx FIFO Mask helper macro Type C upper part helper macro. */
AnnaBridge 143:86740a56073b 77 #define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_HIGH(id) \
AnnaBridge 143:86740a56073b 78 (((uint32_t)(id) & 0x7F8) << 13) /*!< Standard Rx FIFO Mask helper macro Type C mid-upper part helper macro. */
AnnaBridge 143:86740a56073b 79 #define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_LOW(id) \
AnnaBridge 143:86740a56073b 80 (((uint32_t)(id) & 0x7F8) << 5) /*!< Standard Rx FIFO Mask helper macro Type C mid-lower part helper macro. */
AnnaBridge 143:86740a56073b 81 #define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_LOW(id) \
AnnaBridge 143:86740a56073b 82 (((uint32_t)(id) & 0x7F8) >> 3) /*!< Standard Rx FIFO Mask helper macro Type C lower part helper macro. */
AnnaBridge 143:86740a56073b 83 #define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_A(id, rtr, ide) \
AnnaBridge 143:86740a56073b 84 (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \
AnnaBridge 143:86740a56073b 85 (FLEXCAN_ID_EXT(id) << 1)) /*!< Extend Rx FIFO Mask helper macro Type A helper macro. */
AnnaBridge 143:86740a56073b 86 #define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_HIGH(id, rtr, ide) \
AnnaBridge 143:86740a56073b 87 (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \
AnnaBridge 143:86740a56073b 88 ((FLEXCAN_ID_EXT(id) & 0x1FFF8000) << 1)) /*!< Extend Rx FIFO Mask helper macro Type B upper part helper macro. */
AnnaBridge 143:86740a56073b 89 #define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_LOW(id, rtr, ide) \
AnnaBridge 143:86740a56073b 90 (((uint32_t)((uint32_t)(rtr) << 15) | (uint32_t)((uint32_t)(ide) << 14)) | \
AnnaBridge 143:86740a56073b 91 ((FLEXCAN_ID_EXT(id) & 0x1FFF8000) >> \
AnnaBridge 143:86740a56073b 92 15)) /*!< Extend Rx FIFO Mask helper macro Type B lower part helper macro. */
AnnaBridge 143:86740a56073b 93 #define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_HIGH(id) \
AnnaBridge 143:86740a56073b 94 ((FLEXCAN_ID_EXT(id) & 0x1FE00000) << 3) /*!< Extend Rx FIFO Mask helper macro Type C upper part helper macro. */
AnnaBridge 143:86740a56073b 95 #define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_HIGH(id) \
AnnaBridge 143:86740a56073b 96 ((FLEXCAN_ID_EXT(id) & 0x1FE00000) >> \
AnnaBridge 143:86740a56073b 97 5) /*!< Extend Rx FIFO Mask helper macro Type C mid-upper part helper macro. */
AnnaBridge 143:86740a56073b 98 #define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_LOW(id) \
AnnaBridge 143:86740a56073b 99 ((FLEXCAN_ID_EXT(id) & 0x1FE00000) >> \
AnnaBridge 143:86740a56073b 100 13) /*!< Extend Rx FIFO Mask helper macro Type C mid-lower part helper macro. */
AnnaBridge 143:86740a56073b 101 #define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_LOW(id) \
AnnaBridge 143:86740a56073b 102 ((FLEXCAN_ID_EXT(id) & 0x1FE00000) >> 21) /*!< Extend Rx FIFO Mask helper macro Type C lower part helper macro. */
AnnaBridge 143:86740a56073b 103
AnnaBridge 143:86740a56073b 104 /*! @brief FlexCAN Rx FIFO Filter helper macro. */
AnnaBridge 143:86740a56073b 105 #define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_A(id, rtr, ide) \
AnnaBridge 143:86740a56073b 106 FLEXCAN_RX_FIFO_STD_MASK_TYPE_A(id, rtr, ide) /*!< Standard Rx FIFO Filter helper macro Type A helper macro. */
AnnaBridge 143:86740a56073b 107 #define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_B_HIGH(id, rtr, ide) \
AnnaBridge 143:86740a56073b 108 FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_HIGH( \
AnnaBridge 143:86740a56073b 109 id, rtr, ide) /*!< Standard Rx FIFO Filter helper macro Type B upper part helper macro. */
AnnaBridge 143:86740a56073b 110 #define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_B_LOW(id, rtr, ide) \
AnnaBridge 143:86740a56073b 111 FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_LOW( \
AnnaBridge 143:86740a56073b 112 id, rtr, ide) /*!< Standard Rx FIFO Filter helper macro Type B lower part helper macro. */
AnnaBridge 143:86740a56073b 113 #define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_HIGH(id) \
AnnaBridge 143:86740a56073b 114 FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_HIGH( \
AnnaBridge 143:86740a56073b 115 id) /*!< Standard Rx FIFO Filter helper macro Type C upper part helper macro. */
AnnaBridge 143:86740a56073b 116 #define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_MID_HIGH(id) \
AnnaBridge 143:86740a56073b 117 FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_HIGH( \
AnnaBridge 143:86740a56073b 118 id) /*!< Standard Rx FIFO Filter helper macro Type C mid-upper part helper macro. */
AnnaBridge 143:86740a56073b 119 #define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_MID_LOW(id) \
AnnaBridge 143:86740a56073b 120 FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_LOW( \
AnnaBridge 143:86740a56073b 121 id) /*!< Standard Rx FIFO Filter helper macro Type C mid-lower part helper macro. */
AnnaBridge 143:86740a56073b 122 #define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_LOW(id) \
AnnaBridge 143:86740a56073b 123 FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_LOW(id) /*!< Standard Rx FIFO Filter helper macro Type C lower part helper macro. \
AnnaBridge 143:86740a56073b 124 */
AnnaBridge 143:86740a56073b 125 #define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_A(id, rtr, ide) \
AnnaBridge 143:86740a56073b 126 FLEXCAN_RX_FIFO_EXT_MASK_TYPE_A(id, rtr, ide) /*!< Extend Rx FIFO Filter helper macro Type A helper macro. */
AnnaBridge 143:86740a56073b 127 #define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_B_HIGH(id, rtr, ide) \
AnnaBridge 143:86740a56073b 128 FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_HIGH( \
AnnaBridge 143:86740a56073b 129 id, rtr, ide) /*!< Extend Rx FIFO Filter helper macro Type B upper part helper macro. */
AnnaBridge 143:86740a56073b 130 #define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_B_LOW(id, rtr, ide) \
AnnaBridge 143:86740a56073b 131 FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_LOW( \
AnnaBridge 143:86740a56073b 132 id, rtr, ide) /*!< Extend Rx FIFO Filter helper macro Type B lower part helper macro. */
AnnaBridge 143:86740a56073b 133 #define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_HIGH(id) \
AnnaBridge 143:86740a56073b 134 FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_HIGH(id) /*!< Extend Rx FIFO Filter helper macro Type C upper part helper macro. \
AnnaBridge 143:86740a56073b 135 */
AnnaBridge 143:86740a56073b 136 #define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_MID_HIGH(id) \
AnnaBridge 143:86740a56073b 137 FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_HIGH( \
AnnaBridge 143:86740a56073b 138 id) /*!< Extend Rx FIFO Filter helper macro Type C mid-upper part helper macro. */
AnnaBridge 143:86740a56073b 139 #define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_MID_LOW(id) \
AnnaBridge 143:86740a56073b 140 FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_LOW( \
AnnaBridge 143:86740a56073b 141 id) /*!< Extend Rx FIFO Filter helper macro Type C mid-lower part helper macro. */
AnnaBridge 143:86740a56073b 142 #define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_LOW(id) \
AnnaBridge 143:86740a56073b 143 FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_LOW(id) /*!< Extend Rx FIFO Filter helper macro Type C lower part helper macro. */
AnnaBridge 143:86740a56073b 144
AnnaBridge 143:86740a56073b 145 /*! @brief FlexCAN transfer status. */
AnnaBridge 143:86740a56073b 146 enum _flexcan_status
AnnaBridge 143:86740a56073b 147 {
AnnaBridge 143:86740a56073b 148 kStatus_FLEXCAN_TxBusy = MAKE_STATUS(kStatusGroup_FLEXCAN, 0), /*!< Tx Message Buffer is Busy. */
AnnaBridge 143:86740a56073b 149 kStatus_FLEXCAN_TxIdle = MAKE_STATUS(kStatusGroup_FLEXCAN, 1), /*!< Tx Message Buffer is Idle. */
AnnaBridge 143:86740a56073b 150 kStatus_FLEXCAN_TxSwitchToRx = MAKE_STATUS(
AnnaBridge 143:86740a56073b 151 kStatusGroup_FLEXCAN, 2), /*!< Remote Message is send out and Message buffer changed to Receive one. */
AnnaBridge 143:86740a56073b 152 kStatus_FLEXCAN_RxBusy = MAKE_STATUS(kStatusGroup_FLEXCAN, 3), /*!< Rx Message Buffer is Busy. */
AnnaBridge 143:86740a56073b 153 kStatus_FLEXCAN_RxIdle = MAKE_STATUS(kStatusGroup_FLEXCAN, 4), /*!< Rx Message Buffer is Idle. */
AnnaBridge 143:86740a56073b 154 kStatus_FLEXCAN_RxOverflow = MAKE_STATUS(kStatusGroup_FLEXCAN, 5), /*!< Rx Message Buffer is Overflowed. */
AnnaBridge 143:86740a56073b 155 kStatus_FLEXCAN_RxFifoBusy = MAKE_STATUS(kStatusGroup_FLEXCAN, 6), /*!< Rx Message FIFO is Busy. */
AnnaBridge 143:86740a56073b 156 kStatus_FLEXCAN_RxFifoIdle = MAKE_STATUS(kStatusGroup_FLEXCAN, 7), /*!< Rx Message FIFO is Idle. */
AnnaBridge 143:86740a56073b 157 kStatus_FLEXCAN_RxFifoOverflow = MAKE_STATUS(kStatusGroup_FLEXCAN, 8), /*!< Rx Message FIFO is overflowed. */
AnnaBridge 143:86740a56073b 158 kStatus_FLEXCAN_RxFifoWarning = MAKE_STATUS(kStatusGroup_FLEXCAN, 9), /*!< Rx Message FIFO is almost overflowed. */
AnnaBridge 143:86740a56073b 159 kStatus_FLEXCAN_ErrorStatus = MAKE_STATUS(kStatusGroup_FLEXCAN, 10), /*!< FlexCAN Module Error and Status. */
AnnaBridge 143:86740a56073b 160 kStatus_FLEXCAN_UnHandled = MAKE_STATUS(kStatusGroup_FLEXCAN, 11), /*!< UnHadled Interrupt asserted. */
AnnaBridge 143:86740a56073b 161 };
AnnaBridge 143:86740a56073b 162
AnnaBridge 143:86740a56073b 163 /*! @brief FlexCAN frame format. */
AnnaBridge 143:86740a56073b 164 typedef enum _flexcan_frame_format
AnnaBridge 143:86740a56073b 165 {
AnnaBridge 143:86740a56073b 166 kFLEXCAN_FrameFormatStandard = 0x0U, /*!< Standard frame format attribute. */
AnnaBridge 143:86740a56073b 167 kFLEXCAN_FrameFormatExtend = 0x1U, /*!< Extend frame format attribute. */
AnnaBridge 143:86740a56073b 168 } flexcan_frame_format_t;
AnnaBridge 143:86740a56073b 169
AnnaBridge 143:86740a56073b 170 /*! @brief FlexCAN frame type. */
AnnaBridge 143:86740a56073b 171 typedef enum _flexcan_frame_type
AnnaBridge 143:86740a56073b 172 {
AnnaBridge 143:86740a56073b 173 kFLEXCAN_FrameTypeData = 0x0U, /*!< Data frame type attribute. */
AnnaBridge 143:86740a56073b 174 kFLEXCAN_FrameTypeRemote = 0x1U, /*!< Remote frame type attribute. */
AnnaBridge 143:86740a56073b 175 } flexcan_frame_type_t;
AnnaBridge 143:86740a56073b 176
AnnaBridge 143:86740a56073b 177 #if (!defined(FSL_FEATURE_FLEXCAN_SUPPORT_ENGINE_CLK_SEL_REMOVE)) || !FSL_FEATURE_FLEXCAN_SUPPORT_ENGINE_CLK_SEL_REMOVE
AnnaBridge 143:86740a56073b 178 /*! @brief FlexCAN clock source. */
AnnaBridge 143:86740a56073b 179 typedef enum _flexcan_clock_source
AnnaBridge 143:86740a56073b 180 {
AnnaBridge 143:86740a56073b 181 kFLEXCAN_ClkSrcOsc = 0x0U, /*!< FlexCAN Protocol Engine clock from Oscillator. */
AnnaBridge 143:86740a56073b 182 kFLEXCAN_ClkSrcPeri = 0x1U, /*!< FlexCAN Protocol Engine clock from Peripheral Clock. */
AnnaBridge 143:86740a56073b 183 } flexcan_clock_source_t;
AnnaBridge 143:86740a56073b 184 #endif /* FSL_FEATURE_FLEXCAN_SUPPORT_ENGINE_CLK_SEL_REMOVE */
AnnaBridge 143:86740a56073b 185
AnnaBridge 143:86740a56073b 186 /*! @brief FlexCAN Rx Fifo Filter type. */
AnnaBridge 143:86740a56073b 187 typedef enum _flexcan_rx_fifo_filter_type
AnnaBridge 143:86740a56073b 188 {
AnnaBridge 143:86740a56073b 189 kFLEXCAN_RxFifoFilterTypeA = 0x0U, /*!< One full ID (standard and extended) per ID Filter element. */
AnnaBridge 143:86740a56073b 190 kFLEXCAN_RxFifoFilterTypeB =
AnnaBridge 143:86740a56073b 191 0x1U, /*!< Two full standard IDs or two partial 14-bit ID slices per ID Filter Table element. */
AnnaBridge 143:86740a56073b 192 kFLEXCAN_RxFifoFilterTypeC =
AnnaBridge 143:86740a56073b 193 0x2U, /*!< Four partial 8-bit Standard or extended ID slices per ID Filter Table element. */
AnnaBridge 143:86740a56073b 194 kFLEXCAN_RxFifoFilterTypeD = 0x3U, /*!< All frames rejected. */
AnnaBridge 143:86740a56073b 195 } flexcan_rx_fifo_filter_type_t;
AnnaBridge 143:86740a56073b 196
AnnaBridge 143:86740a56073b 197 /*!
AnnaBridge 143:86740a56073b 198 * @brief FlexCAN Rx FIFO priority.
AnnaBridge 143:86740a56073b 199 *
AnnaBridge 143:86740a56073b 200 * The matching process starts from the Rx MB(or Rx FIFO) with higher priority.
AnnaBridge 143:86740a56073b 201 * If no MB(or Rx FIFO filter) is satisfied, the matching process goes on with
AnnaBridge 143:86740a56073b 202 * the Rx FIFO(or Rx MB) with lower priority.
AnnaBridge 143:86740a56073b 203 */
AnnaBridge 143:86740a56073b 204 typedef enum _flexcan_rx_fifo_priority
AnnaBridge 143:86740a56073b 205 {
AnnaBridge 143:86740a56073b 206 kFLEXCAN_RxFifoPrioLow = 0x0U, /*!< Matching process start from Rx Message Buffer first*/
AnnaBridge 143:86740a56073b 207 kFLEXCAN_RxFifoPrioHigh = 0x1U, /*!< Matching process start from Rx FIFO first*/
AnnaBridge 143:86740a56073b 208 } flexcan_rx_fifo_priority_t;
AnnaBridge 143:86740a56073b 209
AnnaBridge 143:86740a56073b 210 /*!
AnnaBridge 143:86740a56073b 211 * @brief FlexCAN interrupt configuration structure, default settings all disabled.
AnnaBridge 143:86740a56073b 212 *
AnnaBridge 143:86740a56073b 213 * This structure contains the settings for all of the FlexCAN Module interrupt configurations.
AnnaBridge 143:86740a56073b 214 * Note: FlexCAN Message Buffers and Rx FIFO have their own interrupts.
AnnaBridge 143:86740a56073b 215 */
AnnaBridge 143:86740a56073b 216 enum _flexcan_interrupt_enable
AnnaBridge 143:86740a56073b 217 {
AnnaBridge 143:86740a56073b 218 kFLEXCAN_BusOffInterruptEnable = CAN_CTRL1_BOFFMSK_MASK, /*!< Bus Off interrupt. */
AnnaBridge 143:86740a56073b 219 kFLEXCAN_ErrorInterruptEnable = CAN_CTRL1_ERRMSK_MASK, /*!< Error interrupt. */
AnnaBridge 143:86740a56073b 220 kFLEXCAN_RxWarningInterruptEnable = CAN_CTRL1_RWRNMSK_MASK, /*!< Rx Warning interrupt. */
AnnaBridge 143:86740a56073b 221 kFLEXCAN_TxWarningInterruptEnable = CAN_CTRL1_TWRNMSK_MASK, /*!< Tx Warning interrupt. */
AnnaBridge 143:86740a56073b 222 kFLEXCAN_WakeUpInterruptEnable = CAN_MCR_WAKMSK_MASK, /*!< Wake Up interrupt. */
AnnaBridge 143:86740a56073b 223 };
AnnaBridge 143:86740a56073b 224
AnnaBridge 143:86740a56073b 225 /*!
AnnaBridge 143:86740a56073b 226 * @brief FlexCAN status flags.
AnnaBridge 143:86740a56073b 227 *
AnnaBridge 143:86740a56073b 228 * This provides constants for the FlexCAN status flags for use in the FlexCAN functions.
AnnaBridge 143:86740a56073b 229 * Note: The CPU read action clears FlEXCAN_ErrorFlag, therefore user need to
AnnaBridge 143:86740a56073b 230 * read FlEXCAN_ErrorFlag and distinguish which error is occur using
AnnaBridge 143:86740a56073b 231 * @ref _flexcan_error_flags enumerations.
AnnaBridge 143:86740a56073b 232 */
AnnaBridge 143:86740a56073b 233 enum _flexcan_flags
AnnaBridge 143:86740a56073b 234 {
AnnaBridge 143:86740a56073b 235 kFLEXCAN_SynchFlag = CAN_ESR1_SYNCH_MASK, /*!< CAN Synchronization Status. */
AnnaBridge 143:86740a56073b 236 kFLEXCAN_TxWarningIntFlag = CAN_ESR1_TWRNINT_MASK, /*!< Tx Warning Interrupt Flag. */
AnnaBridge 143:86740a56073b 237 kFLEXCAN_RxWarningIntFlag = CAN_ESR1_RWRNINT_MASK, /*!< Rx Warning Interrupt Flag. */
AnnaBridge 143:86740a56073b 238 kFLEXCAN_TxErrorWarningFlag = CAN_ESR1_TXWRN_MASK, /*!< Tx Error Warning Status. */
AnnaBridge 143:86740a56073b 239 kFLEXCAN_RxErrorWarningFlag = CAN_ESR1_RXWRN_MASK, /*!< Rx Error Warning Status. */
AnnaBridge 143:86740a56073b 240 kFLEXCAN_IdleFlag = CAN_ESR1_IDLE_MASK, /*!< CAN IDLE Status Flag. */
AnnaBridge 143:86740a56073b 241 kFLEXCAN_FaultConfinementFlag = CAN_ESR1_FLTCONF_MASK, /*!< Fault Confinement State Flag. */
AnnaBridge 143:86740a56073b 242 kFLEXCAN_TransmittingFlag = CAN_ESR1_TX_MASK, /*!< FlexCAN In Transmission Status. */
AnnaBridge 143:86740a56073b 243 kFLEXCAN_ReceivingFlag = CAN_ESR1_RX_MASK, /*!< FlexCAN In Reception Status. */
AnnaBridge 143:86740a56073b 244 kFLEXCAN_BusOffIntFlag = CAN_ESR1_BOFFINT_MASK, /*!< Bus Off Interrupt Flag. */
AnnaBridge 143:86740a56073b 245 kFLEXCAN_ErrorIntFlag = CAN_ESR1_ERRINT_MASK, /*!< Error Interrupt Flag. */
AnnaBridge 143:86740a56073b 246 kFLEXCAN_WakeUpIntFlag = CAN_ESR1_WAKINT_MASK, /*!< Wake-Up Interrupt Flag. */
AnnaBridge 143:86740a56073b 247 kFLEXCAN_ErrorFlag = CAN_ESR1_BIT1ERR_MASK | /*!< All FlexCAN Error Status. */
AnnaBridge 143:86740a56073b 248 CAN_ESR1_BIT0ERR_MASK |
AnnaBridge 143:86740a56073b 249 CAN_ESR1_ACKERR_MASK | CAN_ESR1_CRCERR_MASK | CAN_ESR1_FRMERR_MASK | CAN_ESR1_STFERR_MASK,
AnnaBridge 143:86740a56073b 250 };
AnnaBridge 143:86740a56073b 251
AnnaBridge 143:86740a56073b 252 /*!
AnnaBridge 143:86740a56073b 253 * @brief FlexCAN error status flags.
AnnaBridge 143:86740a56073b 254 *
AnnaBridge 143:86740a56073b 255 * The FlexCAN Error Status enumerations is used to report current error of the FlexCAN bus.
AnnaBridge 143:86740a56073b 256 * This enumerations should be used with KFLEXCAN_ErrorFlag in @ref _flexcan_flags enumerations
AnnaBridge 143:86740a56073b 257 * to ditermine which error is generated.
AnnaBridge 143:86740a56073b 258 */
AnnaBridge 143:86740a56073b 259 enum _flexcan_error_flags
AnnaBridge 143:86740a56073b 260 {
AnnaBridge 143:86740a56073b 261 kFLEXCAN_StuffingError = CAN_ESR1_STFERR_MASK, /*!< Stuffing Error. */
AnnaBridge 143:86740a56073b 262 kFLEXCAN_FormError = CAN_ESR1_FRMERR_MASK, /*!< Form Error. */
AnnaBridge 143:86740a56073b 263 kFLEXCAN_CrcError = CAN_ESR1_CRCERR_MASK, /*!< Cyclic Redundancy Check Error. */
AnnaBridge 143:86740a56073b 264 kFLEXCAN_AckError = CAN_ESR1_ACKERR_MASK, /*!< Received no ACK on transmission. */
AnnaBridge 143:86740a56073b 265 kFLEXCAN_Bit0Error = CAN_ESR1_BIT0ERR_MASK, /*!< Unable to send dominant bit. */
AnnaBridge 143:86740a56073b 266 kFLEXCAN_Bit1Error = CAN_ESR1_BIT1ERR_MASK, /*!< Unable to send recessive bit. */
AnnaBridge 143:86740a56073b 267 };
AnnaBridge 143:86740a56073b 268
AnnaBridge 143:86740a56073b 269 /*!
AnnaBridge 143:86740a56073b 270 * @brief FlexCAN Rx FIFO status flags.
AnnaBridge 143:86740a56073b 271 *
AnnaBridge 143:86740a56073b 272 * The FlexCAN Rx FIFO Status enumerations are used to determine the status of the
AnnaBridge 143:86740a56073b 273 * Rx FIFO. Because Rx FIFO occupy the MB0 ~ MB7 (Rx Fifo filter also occupies
AnnaBridge 143:86740a56073b 274 * more Message Buffer space), Rx FIFO status flags are mapped to the corresponding
AnnaBridge 143:86740a56073b 275 * Message Buffer status flags.
AnnaBridge 143:86740a56073b 276 */
AnnaBridge 143:86740a56073b 277 enum _flexcan_rx_fifo_flags
AnnaBridge 143:86740a56073b 278 {
AnnaBridge 143:86740a56073b 279 kFLEXCAN_RxFifoOverflowFlag = CAN_IFLAG1_BUF7I_MASK, /*!< Rx FIFO overflow flag. */
AnnaBridge 143:86740a56073b 280 kFLEXCAN_RxFifoWarningFlag = CAN_IFLAG1_BUF6I_MASK, /*!< Rx FIFO almost full flag. */
AnnaBridge 143:86740a56073b 281 kFLEXCAN_RxFifoFrameAvlFlag = CAN_IFLAG1_BUF5I_MASK, /*!< Frames available in Rx FIFO flag. */
AnnaBridge 143:86740a56073b 282 };
AnnaBridge 143:86740a56073b 283
AnnaBridge 143:86740a56073b 284 #if defined(__CC_ARM)
AnnaBridge 143:86740a56073b 285 #pragma anon_unions
AnnaBridge 143:86740a56073b 286 #endif
AnnaBridge 143:86740a56073b 287 /*! @brief FlexCAN message frame structure. */
AnnaBridge 143:86740a56073b 288 typedef struct _flexcan_frame
AnnaBridge 143:86740a56073b 289 {
AnnaBridge 143:86740a56073b 290 struct
AnnaBridge 143:86740a56073b 291 {
AnnaBridge 143:86740a56073b 292 uint32_t timestamp : 16; /*!< FlexCAN internal Free-Running Counter Time Stamp. */
AnnaBridge 143:86740a56073b 293 uint32_t length : 4; /*!< CAN frame payload length in bytes(Range: 0~8). */
AnnaBridge 143:86740a56073b 294 uint32_t type : 1; /*!< CAN Frame Type(DATA or REMOTE). */
AnnaBridge 143:86740a56073b 295 uint32_t format : 1; /*!< CAN Frame Identifier(STD or EXT format). */
AnnaBridge 143:86740a56073b 296 uint32_t : 1; /*!< Reserved. */
AnnaBridge 143:86740a56073b 297 uint32_t idhit : 9; /*!< CAN Rx FIFO filter hit id(This value is only used in Rx FIFO receive mode). */
AnnaBridge 143:86740a56073b 298 };
AnnaBridge 143:86740a56073b 299 struct
AnnaBridge 143:86740a56073b 300 {
AnnaBridge 143:86740a56073b 301 uint32_t id : 29; /*!< CAN Frame Identifier, should be set using FLEXCAN_ID_EXT() or FLEXCAN_ID_STD() macro. */
AnnaBridge 143:86740a56073b 302 uint32_t : 3; /*!< Reserved. */
AnnaBridge 143:86740a56073b 303 };
AnnaBridge 143:86740a56073b 304 union
AnnaBridge 143:86740a56073b 305 {
AnnaBridge 143:86740a56073b 306 struct
AnnaBridge 143:86740a56073b 307 {
AnnaBridge 143:86740a56073b 308 uint32_t dataWord0; /*!< CAN Frame payload word0. */
AnnaBridge 143:86740a56073b 309 uint32_t dataWord1; /*!< CAN Frame payload word1. */
AnnaBridge 143:86740a56073b 310 };
AnnaBridge 143:86740a56073b 311 struct
AnnaBridge 143:86740a56073b 312 {
AnnaBridge 143:86740a56073b 313 uint8_t dataByte3; /*!< CAN Frame payload byte3. */
AnnaBridge 143:86740a56073b 314 uint8_t dataByte2; /*!< CAN Frame payload byte2. */
AnnaBridge 143:86740a56073b 315 uint8_t dataByte1; /*!< CAN Frame payload byte1. */
AnnaBridge 143:86740a56073b 316 uint8_t dataByte0; /*!< CAN Frame payload byte0. */
AnnaBridge 143:86740a56073b 317 uint8_t dataByte7; /*!< CAN Frame payload byte7. */
AnnaBridge 143:86740a56073b 318 uint8_t dataByte6; /*!< CAN Frame payload byte6. */
AnnaBridge 143:86740a56073b 319 uint8_t dataByte5; /*!< CAN Frame payload byte5. */
AnnaBridge 143:86740a56073b 320 uint8_t dataByte4; /*!< CAN Frame payload byte4. */
AnnaBridge 143:86740a56073b 321 };
AnnaBridge 143:86740a56073b 322 };
AnnaBridge 143:86740a56073b 323 } flexcan_frame_t;
AnnaBridge 143:86740a56073b 324
AnnaBridge 143:86740a56073b 325 /*! @brief FlexCAN module configuration structure. */
AnnaBridge 143:86740a56073b 326 typedef struct _flexcan_config
AnnaBridge 143:86740a56073b 327 {
AnnaBridge 143:86740a56073b 328 uint32_t baudRate; /*!< FlexCAN baud rate in bps. */
AnnaBridge 143:86740a56073b 329 #if (!defined(FSL_FEATURE_FLEXCAN_SUPPORT_ENGINE_CLK_SEL_REMOVE)) || !FSL_FEATURE_FLEXCAN_SUPPORT_ENGINE_CLK_SEL_REMOVE
AnnaBridge 143:86740a56073b 330 flexcan_clock_source_t clkSrc; /*!< Clock source for FlexCAN Protocol Engine. */
AnnaBridge 143:86740a56073b 331 #endif /* FSL_FEATURE_FLEXCAN_SUPPORT_ENGINE_CLK_SEL_REMOVE */
AnnaBridge 143:86740a56073b 332 uint8_t maxMbNum; /*!< The maximum number of Message Buffers used by user. */
AnnaBridge 143:86740a56073b 333 bool enableLoopBack; /*!< Enable or Disable Loop Back Self Test Mode. */
AnnaBridge 143:86740a56073b 334 bool enableSelfWakeup; /*!< Enable or Disable Self Wakeup Mode. */
AnnaBridge 143:86740a56073b 335 bool enableIndividMask; /*!< Enable or Disable Rx Individual Mask. */
AnnaBridge 143:86740a56073b 336 #if (defined(FSL_FEATURE_FLEXCAN_HAS_DOZE_MODE_SUPPORT) && FSL_FEATURE_FLEXCAN_HAS_DOZE_MODE_SUPPORT)
AnnaBridge 143:86740a56073b 337 bool enableDoze; /*!< Enable or Disable Doze Mode. */
AnnaBridge 143:86740a56073b 338 #endif
AnnaBridge 143:86740a56073b 339 } flexcan_config_t;
AnnaBridge 143:86740a56073b 340
AnnaBridge 143:86740a56073b 341 /*! @brief FlexCAN protocol timing characteristic configuration structure. */
AnnaBridge 143:86740a56073b 342 typedef struct _flexcan_timing_config
AnnaBridge 143:86740a56073b 343 {
AnnaBridge 143:86740a56073b 344 uint8_t preDivider; /*!< Clock Pre-scaler Division Factor. */
AnnaBridge 143:86740a56073b 345 uint8_t rJumpwidth; /*!< Re-sync Jump Width. */
AnnaBridge 143:86740a56073b 346 uint8_t phaseSeg1; /*!< Phase Segment 1. */
AnnaBridge 143:86740a56073b 347 uint8_t phaseSeg2; /*!< Phase Segment 2. */
AnnaBridge 143:86740a56073b 348 uint8_t propSeg; /*!< Propagation Segment. */
AnnaBridge 143:86740a56073b 349 } flexcan_timing_config_t;
AnnaBridge 143:86740a56073b 350
AnnaBridge 143:86740a56073b 351 /*!
AnnaBridge 143:86740a56073b 352 * @brief FlexCAN Receive Message Buffer configuration structure
AnnaBridge 143:86740a56073b 353 *
AnnaBridge 143:86740a56073b 354 * This structure is used as the parameter of FLEXCAN_SetRxMbConfig() function.
AnnaBridge 143:86740a56073b 355 * The FLEXCAN_SetRxMbConfig() function is used to configure FlexCAN Receive
AnnaBridge 143:86740a56073b 356 * Message Buffer. The function abort previous receiving process, clean the
AnnaBridge 143:86740a56073b 357 * Message Buffer and activate the Rx Message Buffer using given Message Buffer
AnnaBridge 143:86740a56073b 358 * setting.
AnnaBridge 143:86740a56073b 359 */
AnnaBridge 143:86740a56073b 360 typedef struct _flexcan_rx_mb_config
AnnaBridge 143:86740a56073b 361 {
AnnaBridge 143:86740a56073b 362 uint32_t id; /*!< CAN Message Buffer Frame Identifier, should be set using
AnnaBridge 143:86740a56073b 363 FLEXCAN_ID_EXT() or FLEXCAN_ID_STD() macro. */
AnnaBridge 143:86740a56073b 364 flexcan_frame_format_t format; /*!< CAN Frame Identifier format(Standard of Extend). */
AnnaBridge 143:86740a56073b 365 flexcan_frame_type_t type; /*!< CAN Frame Type(Data or Remote). */
AnnaBridge 143:86740a56073b 366 } flexcan_rx_mb_config_t;
AnnaBridge 143:86740a56073b 367
AnnaBridge 143:86740a56073b 368 /*! @brief FlexCAN Rx FIFO configuration structure. */
AnnaBridge 143:86740a56073b 369 typedef struct _flexcan_rx_fifo_config
AnnaBridge 143:86740a56073b 370 {
AnnaBridge 143:86740a56073b 371 uint32_t *idFilterTable; /*!< Pointer to the FlexCAN Rx FIFO identifier filter table. */
AnnaBridge 143:86740a56073b 372 uint8_t idFilterNum; /*!< The quantity of filter elements. */
AnnaBridge 143:86740a56073b 373 flexcan_rx_fifo_filter_type_t idFilterType; /*!< The FlexCAN Rx FIFO Filter type. */
AnnaBridge 143:86740a56073b 374 flexcan_rx_fifo_priority_t priority; /*!< The FlexCAN Rx FIFO receive priority. */
AnnaBridge 143:86740a56073b 375 } flexcan_rx_fifo_config_t;
AnnaBridge 143:86740a56073b 376
AnnaBridge 143:86740a56073b 377 /*! @brief FlexCAN Message Buffer transfer. */
AnnaBridge 143:86740a56073b 378 typedef struct _flexcan_mb_transfer
AnnaBridge 143:86740a56073b 379 {
AnnaBridge 143:86740a56073b 380 flexcan_frame_t *frame; /*!< The buffer of CAN Message to be transfer. */
AnnaBridge 143:86740a56073b 381 uint8_t mbIdx; /*!< The index of Message buffer used to transfer Message. */
AnnaBridge 143:86740a56073b 382 } flexcan_mb_transfer_t;
AnnaBridge 143:86740a56073b 383
AnnaBridge 143:86740a56073b 384 /*! @brief FlexCAN Rx FIFO transfer. */
AnnaBridge 143:86740a56073b 385 typedef struct _flexcan_fifo_transfer
AnnaBridge 143:86740a56073b 386 {
AnnaBridge 143:86740a56073b 387 flexcan_frame_t *frame; /*!< The buffer of CAN Message to be received from Rx FIFO. */
AnnaBridge 143:86740a56073b 388 } flexcan_fifo_transfer_t;
AnnaBridge 143:86740a56073b 389
AnnaBridge 143:86740a56073b 390 /*! @brief FlexCAN handle structure definition. */
AnnaBridge 143:86740a56073b 391 typedef struct _flexcan_handle flexcan_handle_t;
AnnaBridge 143:86740a56073b 392
AnnaBridge 143:86740a56073b 393 /*! @brief FlexCAN transfer callback function.
AnnaBridge 143:86740a56073b 394 *
AnnaBridge 143:86740a56073b 395 * The FlexCAN transfer callback returns a value from the underlying layer.
AnnaBridge 143:86740a56073b 396 * If the status equals to kStatus_FLEXCAN_ErrorStatus, the result parameter is the Content of
AnnaBridge 143:86740a56073b 397 * FlexCAN status register which can be used to get the working status(or error status) of FlexCAN module.
AnnaBridge 143:86740a56073b 398 * If the status equals to other FlexCAN Message Buffer transfer status, the result is the index of
AnnaBridge 143:86740a56073b 399 * Message Buffer that generate transfer event.
AnnaBridge 143:86740a56073b 400 * If the status equals to other FlexCAN Message Buffer transfer status, the result is meaningless and should be
AnnaBridge 143:86740a56073b 401 * Ignored.
AnnaBridge 143:86740a56073b 402 */
AnnaBridge 143:86740a56073b 403 typedef void (*flexcan_transfer_callback_t)(
AnnaBridge 143:86740a56073b 404 CAN_Type *base, flexcan_handle_t *handle, status_t status, uint32_t result, void *userData);
AnnaBridge 143:86740a56073b 405
AnnaBridge 143:86740a56073b 406 /*! @brief FlexCAN handle structure. */
AnnaBridge 143:86740a56073b 407 struct _flexcan_handle
AnnaBridge 143:86740a56073b 408 {
AnnaBridge 143:86740a56073b 409 flexcan_transfer_callback_t callback; /*!< Callback function. */
AnnaBridge 143:86740a56073b 410 void *userData; /*!< FlexCAN callback function parameter.*/
AnnaBridge 143:86740a56073b 411 flexcan_frame_t *volatile mbFrameBuf[CAN_WORD1_COUNT];
AnnaBridge 143:86740a56073b 412 /*!< The buffer for received data from Message Buffers. */
AnnaBridge 143:86740a56073b 413 flexcan_frame_t *volatile rxFifoFrameBuf; /*!< The buffer for received data from Rx FIFO. */
AnnaBridge 143:86740a56073b 414 volatile uint8_t mbState[CAN_WORD1_COUNT]; /*!< Message Buffer transfer state. */
AnnaBridge 143:86740a56073b 415 volatile uint8_t rxFifoState; /*!< Rx FIFO transfer state. */
AnnaBridge 143:86740a56073b 416 };
AnnaBridge 143:86740a56073b 417
AnnaBridge 143:86740a56073b 418 /******************************************************************************
AnnaBridge 143:86740a56073b 419 * API
AnnaBridge 143:86740a56073b 420 *****************************************************************************/
AnnaBridge 143:86740a56073b 421
AnnaBridge 143:86740a56073b 422 #if defined(__cplusplus)
AnnaBridge 143:86740a56073b 423 extern "C" {
AnnaBridge 143:86740a56073b 424 #endif
AnnaBridge 143:86740a56073b 425
AnnaBridge 143:86740a56073b 426 /*!
AnnaBridge 143:86740a56073b 427 * @name Initialization and deinitialization
AnnaBridge 143:86740a56073b 428 * @{
AnnaBridge 143:86740a56073b 429 */
AnnaBridge 143:86740a56073b 430
AnnaBridge 143:86740a56073b 431 /*!
AnnaBridge 143:86740a56073b 432 * @brief Initializes a FlexCAN instance.
AnnaBridge 143:86740a56073b 433 *
AnnaBridge 143:86740a56073b 434 * This function initializes the FlexCAN module with user-defined settings.
AnnaBridge 143:86740a56073b 435 * This example shows how to set up the flexcan_config_t parameters and how
AnnaBridge 143:86740a56073b 436 * to call the FLEXCAN_Init function by passing in these parameters.
AnnaBridge 143:86740a56073b 437 * @code
AnnaBridge 143:86740a56073b 438 * flexcan_config_t flexcanConfig;
AnnaBridge 143:86740a56073b 439 * flexcanConfig.clkSrc = kFLEXCAN_ClkSrcOsc;
AnnaBridge 143:86740a56073b 440 * flexcanConfig.baudRate = 125000U;
AnnaBridge 143:86740a56073b 441 * flexcanConfig.maxMbNum = 16;
AnnaBridge 143:86740a56073b 442 * flexcanConfig.enableLoopBack = false;
AnnaBridge 143:86740a56073b 443 * flexcanConfig.enableSelfWakeup = false;
AnnaBridge 143:86740a56073b 444 * flexcanConfig.enableIndividMask = false;
AnnaBridge 143:86740a56073b 445 * flexcanConfig.enableDoze = false;
AnnaBridge 143:86740a56073b 446 * FLEXCAN_Init(CAN0, &flexcanConfig, 8000000UL);
AnnaBridge 143:86740a56073b 447 * @endcode
AnnaBridge 143:86740a56073b 448 *
AnnaBridge 143:86740a56073b 449 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 450 * @param config Pointer to the user-defined configuration structure.
AnnaBridge 143:86740a56073b 451 * @param sourceClock_Hz FlexCAN Protocol Engine clock source frequency in Hz.
AnnaBridge 143:86740a56073b 452 */
AnnaBridge 143:86740a56073b 453 void FLEXCAN_Init(CAN_Type *base, const flexcan_config_t *config, uint32_t sourceClock_Hz);
AnnaBridge 143:86740a56073b 454
AnnaBridge 143:86740a56073b 455 /*!
AnnaBridge 143:86740a56073b 456 * @brief De-initializes a FlexCAN instance.
AnnaBridge 143:86740a56073b 457 *
AnnaBridge 143:86740a56073b 458 * This function disables the FlexCAN module clock and sets all register values
AnnaBridge 143:86740a56073b 459 * to the reset value.
AnnaBridge 143:86740a56073b 460 *
AnnaBridge 143:86740a56073b 461 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 462 */
AnnaBridge 143:86740a56073b 463 void FLEXCAN_Deinit(CAN_Type *base);
AnnaBridge 143:86740a56073b 464
AnnaBridge 143:86740a56073b 465 /*!
AnnaBridge 143:86740a56073b 466 * @brief Gets the default configuration structure.
AnnaBridge 143:86740a56073b 467 *
AnnaBridge 143:86740a56073b 468 * This function initializes the FlexCAN configuration structure to default values. The default
AnnaBridge 143:86740a56073b 469 * values are as follows.
AnnaBridge 143:86740a56073b 470 * flexcanConfig->clkSrc = KFLEXCAN_ClkSrcOsc;
AnnaBridge 143:86740a56073b 471 * flexcanConfig->baudRate = 125000U;
AnnaBridge 143:86740a56073b 472 * flexcanConfig->maxMbNum = 16;
AnnaBridge 143:86740a56073b 473 * flexcanConfig->enableLoopBack = false;
AnnaBridge 143:86740a56073b 474 * flexcanConfig->enableSelfWakeup = false;
AnnaBridge 143:86740a56073b 475 * flexcanConfig->enableIndividMask = false;
AnnaBridge 143:86740a56073b 476 * flexcanConfig->enableDoze = false;
AnnaBridge 143:86740a56073b 477 *
AnnaBridge 143:86740a56073b 478 * @param config Pointer to the FlexCAN configuration structure.
AnnaBridge 143:86740a56073b 479 */
AnnaBridge 143:86740a56073b 480 void FLEXCAN_GetDefaultConfig(flexcan_config_t *config);
AnnaBridge 143:86740a56073b 481
AnnaBridge 143:86740a56073b 482 /* @} */
AnnaBridge 143:86740a56073b 483
AnnaBridge 143:86740a56073b 484 /*!
AnnaBridge 143:86740a56073b 485 * @name Configuration.
AnnaBridge 143:86740a56073b 486 * @{
AnnaBridge 143:86740a56073b 487 */
AnnaBridge 143:86740a56073b 488
AnnaBridge 143:86740a56073b 489 /*!
AnnaBridge 143:86740a56073b 490 * @brief Sets the FlexCAN protocol timing characteristic.
AnnaBridge 143:86740a56073b 491 *
AnnaBridge 143:86740a56073b 492 * This function gives user settings to CAN bus timing characteristic.
AnnaBridge 143:86740a56073b 493 * The function is for an experienced user. For less experienced users, call
AnnaBridge 143:86740a56073b 494 * the FLEXCAN_Init() and fill the baud rate field with a desired value.
AnnaBridge 143:86740a56073b 495 * This provides the default timing characteristics to the module.
AnnaBridge 143:86740a56073b 496 *
AnnaBridge 143:86740a56073b 497 * Note that calling FLEXCAN_SetTimingConfig() overrides the baud rate set
AnnaBridge 143:86740a56073b 498 * in FLEXCAN_Init().
AnnaBridge 143:86740a56073b 499 *
AnnaBridge 143:86740a56073b 500 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 501 * @param config Pointer to the timing configuration structure.
AnnaBridge 143:86740a56073b 502 */
AnnaBridge 143:86740a56073b 503 void FLEXCAN_SetTimingConfig(CAN_Type *base, const flexcan_timing_config_t *config);
AnnaBridge 143:86740a56073b 504
AnnaBridge 143:86740a56073b 505 /*!
AnnaBridge 143:86740a56073b 506 * @brief Sets the FlexCAN receive message buffer global mask.
AnnaBridge 143:86740a56073b 507 *
AnnaBridge 143:86740a56073b 508 * This function sets the global mask for the FlexCAN message buffer in a matching process.
AnnaBridge 143:86740a56073b 509 * The configuration is only effective when the Rx individual mask is disabled in the FLEXCAN_Init().
AnnaBridge 143:86740a56073b 510 *
AnnaBridge 143:86740a56073b 511 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 512 * @param mask Rx Message Buffer Global Mask value.
AnnaBridge 143:86740a56073b 513 */
AnnaBridge 143:86740a56073b 514 void FLEXCAN_SetRxMbGlobalMask(CAN_Type *base, uint32_t mask);
AnnaBridge 143:86740a56073b 515
AnnaBridge 143:86740a56073b 516 /*!
AnnaBridge 143:86740a56073b 517 * @brief Sets the FlexCAN receive FIFO global mask.
AnnaBridge 143:86740a56073b 518 *
AnnaBridge 143:86740a56073b 519 * This function sets the global mask for FlexCAN FIFO in a matching process.
AnnaBridge 143:86740a56073b 520 *
AnnaBridge 143:86740a56073b 521 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 522 * @param mask Rx Fifo Global Mask value.
AnnaBridge 143:86740a56073b 523 */
AnnaBridge 143:86740a56073b 524 void FLEXCAN_SetRxFifoGlobalMask(CAN_Type *base, uint32_t mask);
AnnaBridge 143:86740a56073b 525
AnnaBridge 143:86740a56073b 526 /*!
AnnaBridge 143:86740a56073b 527 * @brief Sets the FlexCAN receive individual mask.
AnnaBridge 143:86740a56073b 528 *
AnnaBridge 143:86740a56073b 529 * This function sets the individual mask for the FlexCAN matching process.
AnnaBridge 143:86740a56073b 530 * The configuration is only effective when the Rx individual mask is enabled in the FLEXCAN_Init().
AnnaBridge 143:86740a56073b 531 * If the Rx FIFO is disabled, the individual mask is applied to the corresponding Message Buffer.
AnnaBridge 143:86740a56073b 532 * If the Rx FIFO is enabled, the individual mask for Rx FIFO occupied Message Buffer is applied to
AnnaBridge 143:86740a56073b 533 * the Rx Filter with the same index. Note that only the first 32
AnnaBridge 143:86740a56073b 534 * individual masks can be used as the Rx FIFO filter mask.
AnnaBridge 143:86740a56073b 535 *
AnnaBridge 143:86740a56073b 536 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 537 * @param maskIdx The Index of individual Mask.
AnnaBridge 143:86740a56073b 538 * @param mask Rx Individual Mask value.
AnnaBridge 143:86740a56073b 539 */
AnnaBridge 143:86740a56073b 540 void FLEXCAN_SetRxIndividualMask(CAN_Type *base, uint8_t maskIdx, uint32_t mask);
AnnaBridge 143:86740a56073b 541
AnnaBridge 143:86740a56073b 542 /*!
AnnaBridge 143:86740a56073b 543 * @brief Configures a FlexCAN transmit message buffer.
AnnaBridge 143:86740a56073b 544 *
AnnaBridge 143:86740a56073b 545 * This function aborts the previous transmission, cleans the Message Buffer, and
AnnaBridge 143:86740a56073b 546 * configures it as a Transmit Message Buffer.
AnnaBridge 143:86740a56073b 547 *
AnnaBridge 143:86740a56073b 548 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 549 * @param mbIdx The Message Buffer index.
AnnaBridge 143:86740a56073b 550 * @param enable Enable/disable Tx Message Buffer.
AnnaBridge 143:86740a56073b 551 * - true: Enable Tx Message Buffer.
AnnaBridge 143:86740a56073b 552 * - false: Disable Tx Message Buffer.
AnnaBridge 143:86740a56073b 553 */
AnnaBridge 143:86740a56073b 554 void FLEXCAN_SetTxMbConfig(CAN_Type *base, uint8_t mbIdx, bool enable);
AnnaBridge 143:86740a56073b 555
AnnaBridge 143:86740a56073b 556 /*!
AnnaBridge 143:86740a56073b 557 * @brief Configures a FlexCAN Receive Message Buffer.
AnnaBridge 143:86740a56073b 558 *
AnnaBridge 143:86740a56073b 559 * This function cleans a FlexCAN build-in Message Buffer and configures it
AnnaBridge 143:86740a56073b 560 * as a Receive Message Buffer.
AnnaBridge 143:86740a56073b 561 *
AnnaBridge 143:86740a56073b 562 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 563 * @param mbIdx The Message Buffer index.
AnnaBridge 143:86740a56073b 564 * @param config Pointer to the FlexCAN Message Buffer configuration structure.
AnnaBridge 143:86740a56073b 565 * @param enable Enable/disable Rx Message Buffer.
AnnaBridge 143:86740a56073b 566 * - true: Enable Rx Message Buffer.
AnnaBridge 143:86740a56073b 567 * - false: Disable Rx Message Buffer.
AnnaBridge 143:86740a56073b 568 */
AnnaBridge 143:86740a56073b 569 void FLEXCAN_SetRxMbConfig(CAN_Type *base, uint8_t mbIdx, const flexcan_rx_mb_config_t *config, bool enable);
AnnaBridge 143:86740a56073b 570
AnnaBridge 143:86740a56073b 571 /*!
AnnaBridge 143:86740a56073b 572 * @brief Configures the FlexCAN Rx FIFO.
AnnaBridge 143:86740a56073b 573 *
AnnaBridge 143:86740a56073b 574 * This function configures the Rx FIFO with given Rx FIFO configuration.
AnnaBridge 143:86740a56073b 575 *
AnnaBridge 143:86740a56073b 576 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 577 * @param config Pointer to the FlexCAN Rx FIFO configuration structure.
AnnaBridge 143:86740a56073b 578 * @param enable Enable/disable Rx FIFO.
AnnaBridge 143:86740a56073b 579 * - true: Enable Rx FIFO.
AnnaBridge 143:86740a56073b 580 * - false: Disable Rx FIFO.
AnnaBridge 143:86740a56073b 581 */
AnnaBridge 143:86740a56073b 582 void FLEXCAN_SetRxFifoConfig(CAN_Type *base, const flexcan_rx_fifo_config_t *config, bool enable);
AnnaBridge 143:86740a56073b 583
AnnaBridge 143:86740a56073b 584 /* @} */
AnnaBridge 143:86740a56073b 585
AnnaBridge 143:86740a56073b 586 /*!
AnnaBridge 143:86740a56073b 587 * @name Status
AnnaBridge 143:86740a56073b 588 * @{
AnnaBridge 143:86740a56073b 589 */
AnnaBridge 143:86740a56073b 590
AnnaBridge 143:86740a56073b 591 /*!
AnnaBridge 143:86740a56073b 592 * @brief Gets the FlexCAN module interrupt flags.
AnnaBridge 143:86740a56073b 593 *
AnnaBridge 143:86740a56073b 594 * This function gets all FlexCAN status flags. The flags are returned as the logical
AnnaBridge 143:86740a56073b 595 * OR value of the enumerators @ref _flexcan_flags. To check the specific status,
AnnaBridge 143:86740a56073b 596 * compare the return value with enumerators in @ref _flexcan_flags.
AnnaBridge 143:86740a56073b 597 *
AnnaBridge 143:86740a56073b 598 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 599 * @return FlexCAN status flags which are ORed by the enumerators in the _flexcan_flags.
AnnaBridge 143:86740a56073b 600 */
AnnaBridge 143:86740a56073b 601 static inline uint32_t FLEXCAN_GetStatusFlags(CAN_Type *base)
AnnaBridge 143:86740a56073b 602 {
AnnaBridge 143:86740a56073b 603 return base->ESR1;
AnnaBridge 143:86740a56073b 604 }
AnnaBridge 143:86740a56073b 605
AnnaBridge 143:86740a56073b 606 /*!
AnnaBridge 143:86740a56073b 607 * @brief Clears status flags with the provided mask.
AnnaBridge 143:86740a56073b 608 *
AnnaBridge 143:86740a56073b 609 * This function clears the FlexCAN status flags with a provided mask. An automatically cleared flag
AnnaBridge 143:86740a56073b 610 * can't be cleared by this function.
AnnaBridge 143:86740a56073b 611 *
AnnaBridge 143:86740a56073b 612 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 613 * @param mask The status flags to be cleared, it is logical OR value of @ref _flexcan_flags.
AnnaBridge 143:86740a56073b 614 */
AnnaBridge 143:86740a56073b 615 static inline void FLEXCAN_ClearStatusFlags(CAN_Type *base, uint32_t mask)
AnnaBridge 143:86740a56073b 616 {
AnnaBridge 143:86740a56073b 617 /* Write 1 to clear status flag. */
AnnaBridge 143:86740a56073b 618 base->ESR1 = mask;
AnnaBridge 143:86740a56073b 619 }
AnnaBridge 143:86740a56073b 620
AnnaBridge 143:86740a56073b 621 /*!
AnnaBridge 143:86740a56073b 622 * @brief Gets the FlexCAN Bus Error Counter value.
AnnaBridge 143:86740a56073b 623 *
AnnaBridge 143:86740a56073b 624 * This function gets the FlexCAN Bus Error Counter value for both Tx and
AnnaBridge 143:86740a56073b 625 * Rx direction. These values may be needed in the upper layer error handling.
AnnaBridge 143:86740a56073b 626 *
AnnaBridge 143:86740a56073b 627 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 628 * @param txErrBuf Buffer to store Tx Error Counter value.
AnnaBridge 143:86740a56073b 629 * @param rxErrBuf Buffer to store Rx Error Counter value.
AnnaBridge 143:86740a56073b 630 */
AnnaBridge 143:86740a56073b 631 static inline void FLEXCAN_GetBusErrCount(CAN_Type *base, uint8_t *txErrBuf, uint8_t *rxErrBuf)
AnnaBridge 143:86740a56073b 632 {
AnnaBridge 143:86740a56073b 633 if (txErrBuf)
AnnaBridge 143:86740a56073b 634 {
AnnaBridge 143:86740a56073b 635 *txErrBuf = (uint8_t)((base->ECR & CAN_ECR_TXERRCNT_MASK) >> CAN_ECR_TXERRCNT_SHIFT);
AnnaBridge 143:86740a56073b 636 }
AnnaBridge 143:86740a56073b 637
AnnaBridge 143:86740a56073b 638 if (rxErrBuf)
AnnaBridge 143:86740a56073b 639 {
AnnaBridge 143:86740a56073b 640 *rxErrBuf = (uint8_t)((base->ECR & CAN_ECR_RXERRCNT_MASK) >> CAN_ECR_RXERRCNT_SHIFT);
AnnaBridge 143:86740a56073b 641 }
AnnaBridge 143:86740a56073b 642 }
AnnaBridge 143:86740a56073b 643
AnnaBridge 143:86740a56073b 644 /*!
AnnaBridge 143:86740a56073b 645 * @brief Gets the FlexCAN Message Buffer interrupt flags.
AnnaBridge 143:86740a56073b 646 *
AnnaBridge 143:86740a56073b 647 * This function gets the interrupt flags of a given Message Buffers.
AnnaBridge 143:86740a56073b 648 *
AnnaBridge 143:86740a56073b 649 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 650 * @param mask The ORed FlexCAN Message Buffer mask.
AnnaBridge 143:86740a56073b 651 * @return The status of given Message Buffers.
AnnaBridge 143:86740a56073b 652 */
AnnaBridge 143:86740a56073b 653 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 654 static inline uint64_t FLEXCAN_GetMbStatusFlags(CAN_Type *base, uint64_t mask)
AnnaBridge 143:86740a56073b 655 #else
AnnaBridge 143:86740a56073b 656 static inline uint32_t FLEXCAN_GetMbStatusFlags(CAN_Type *base, uint32_t mask)
AnnaBridge 143:86740a56073b 657 #endif
AnnaBridge 143:86740a56073b 658 {
AnnaBridge 143:86740a56073b 659 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 660 return ((((uint64_t)base->IFLAG1) & mask) | ((((uint64_t)base->IFLAG2) << 32) & mask));
AnnaBridge 143:86740a56073b 661 #else
AnnaBridge 143:86740a56073b 662 return (base->IFLAG1 & mask);
AnnaBridge 143:86740a56073b 663 #endif
AnnaBridge 143:86740a56073b 664 }
AnnaBridge 143:86740a56073b 665
AnnaBridge 143:86740a56073b 666 /*!
AnnaBridge 143:86740a56073b 667 * @brief Clears the FlexCAN Message Buffer interrupt flags.
AnnaBridge 143:86740a56073b 668 *
AnnaBridge 143:86740a56073b 669 * This function clears the interrupt flags of a given Message Buffers.
AnnaBridge 143:86740a56073b 670 *
AnnaBridge 143:86740a56073b 671 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 672 * @param mask The ORed FlexCAN Message Buffer mask.
AnnaBridge 143:86740a56073b 673 */
AnnaBridge 143:86740a56073b 674 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 675 static inline void FLEXCAN_ClearMbStatusFlags(CAN_Type *base, uint64_t mask)
AnnaBridge 143:86740a56073b 676 #else
AnnaBridge 143:86740a56073b 677 static inline void FLEXCAN_ClearMbStatusFlags(CAN_Type *base, uint32_t mask)
AnnaBridge 143:86740a56073b 678 #endif
AnnaBridge 143:86740a56073b 679 {
AnnaBridge 143:86740a56073b 680 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 681 base->IFLAG1 = (uint32_t)(mask & 0xFFFFFFFFU);
AnnaBridge 143:86740a56073b 682 base->IFLAG2 = (uint32_t)(mask >> 32);
AnnaBridge 143:86740a56073b 683 #else
AnnaBridge 143:86740a56073b 684 base->IFLAG1 = mask;
AnnaBridge 143:86740a56073b 685 #endif
AnnaBridge 143:86740a56073b 686 }
AnnaBridge 143:86740a56073b 687
AnnaBridge 143:86740a56073b 688 /* @} */
AnnaBridge 143:86740a56073b 689
AnnaBridge 143:86740a56073b 690 /*!
AnnaBridge 143:86740a56073b 691 * @name Interrupts
AnnaBridge 143:86740a56073b 692 * @{
AnnaBridge 143:86740a56073b 693 */
AnnaBridge 143:86740a56073b 694
AnnaBridge 143:86740a56073b 695 /*!
AnnaBridge 143:86740a56073b 696 * @brief Enables FlexCAN interrupts according to the provided mask.
AnnaBridge 143:86740a56073b 697 *
AnnaBridge 143:86740a56073b 698 * This function enables the FlexCAN interrupts according to the provided mask. The mask
AnnaBridge 143:86740a56073b 699 * is a logical OR of enumeration members, see @ref _flexcan_interrupt_enable.
AnnaBridge 143:86740a56073b 700 *
AnnaBridge 143:86740a56073b 701 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 702 * @param mask The interrupts to enable. Logical OR of @ref _flexcan_interrupt_enable.
AnnaBridge 143:86740a56073b 703 */
AnnaBridge 143:86740a56073b 704 static inline void FLEXCAN_EnableInterrupts(CAN_Type *base, uint32_t mask)
AnnaBridge 143:86740a56073b 705 {
AnnaBridge 143:86740a56073b 706 /* Solve Wake Up Interrupt. */
AnnaBridge 143:86740a56073b 707 if (mask & kFLEXCAN_WakeUpInterruptEnable)
AnnaBridge 143:86740a56073b 708 {
AnnaBridge 143:86740a56073b 709 base->MCR |= CAN_MCR_WAKMSK_MASK;
AnnaBridge 143:86740a56073b 710 }
AnnaBridge 143:86740a56073b 711
AnnaBridge 143:86740a56073b 712 /* Solve others. */
AnnaBridge 143:86740a56073b 713 base->CTRL1 |= (mask & (~((uint32_t)kFLEXCAN_WakeUpInterruptEnable)));
AnnaBridge 143:86740a56073b 714 }
AnnaBridge 143:86740a56073b 715
AnnaBridge 143:86740a56073b 716 /*!
AnnaBridge 143:86740a56073b 717 * @brief Disables FlexCAN interrupts according to the provided mask.
AnnaBridge 143:86740a56073b 718 *
AnnaBridge 143:86740a56073b 719 * This function disables the FlexCAN interrupts according to the provided mask. The mask
AnnaBridge 143:86740a56073b 720 * is a logical OR of enumeration members, see @ref _flexcan_interrupt_enable.
AnnaBridge 143:86740a56073b 721 *
AnnaBridge 143:86740a56073b 722 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 723 * @param mask The interrupts to disable. Logical OR of @ref _flexcan_interrupt_enable.
AnnaBridge 143:86740a56073b 724 */
AnnaBridge 143:86740a56073b 725 static inline void FLEXCAN_DisableInterrupts(CAN_Type *base, uint32_t mask)
AnnaBridge 143:86740a56073b 726 {
AnnaBridge 143:86740a56073b 727 /* Solve Wake Up Interrupt. */
AnnaBridge 143:86740a56073b 728 if (mask & kFLEXCAN_WakeUpInterruptEnable)
AnnaBridge 143:86740a56073b 729 {
AnnaBridge 143:86740a56073b 730 base->MCR &= ~CAN_MCR_WAKMSK_MASK;
AnnaBridge 143:86740a56073b 731 }
AnnaBridge 143:86740a56073b 732
AnnaBridge 143:86740a56073b 733 /* Solve others. */
AnnaBridge 143:86740a56073b 734 base->CTRL1 &= ~(mask & (~((uint32_t)kFLEXCAN_WakeUpInterruptEnable)));
AnnaBridge 143:86740a56073b 735 }
AnnaBridge 143:86740a56073b 736
AnnaBridge 143:86740a56073b 737 /*!
AnnaBridge 143:86740a56073b 738 * @brief Enables FlexCAN Message Buffer interrupts.
AnnaBridge 143:86740a56073b 739 *
AnnaBridge 143:86740a56073b 740 * This function enables the interrupts of given Message Buffers.
AnnaBridge 143:86740a56073b 741 *
AnnaBridge 143:86740a56073b 742 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 743 * @param mask The ORed FlexCAN Message Buffer mask.
AnnaBridge 143:86740a56073b 744 */
AnnaBridge 143:86740a56073b 745 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 746 static inline void FLEXCAN_EnableMbInterrupts(CAN_Type *base, uint64_t mask)
AnnaBridge 143:86740a56073b 747 #else
AnnaBridge 143:86740a56073b 748 static inline void FLEXCAN_EnableMbInterrupts(CAN_Type *base, uint32_t mask)
AnnaBridge 143:86740a56073b 749 #endif
AnnaBridge 143:86740a56073b 750 {
AnnaBridge 143:86740a56073b 751 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 752 base->IMASK1 |= (uint32_t)(mask & 0xFFFFFFFFU);
AnnaBridge 143:86740a56073b 753 base->IMASK2 |= (uint32_t)(mask >> 32);
AnnaBridge 143:86740a56073b 754 #else
AnnaBridge 143:86740a56073b 755 base->IMASK1 |= mask;
AnnaBridge 143:86740a56073b 756 #endif
AnnaBridge 143:86740a56073b 757 }
AnnaBridge 143:86740a56073b 758
AnnaBridge 143:86740a56073b 759 /*!
AnnaBridge 143:86740a56073b 760 * @brief Disables FlexCAN Message Buffer interrupts.
AnnaBridge 143:86740a56073b 761 *
AnnaBridge 143:86740a56073b 762 * This function disables the interrupts of given Message Buffers.
AnnaBridge 143:86740a56073b 763 *
AnnaBridge 143:86740a56073b 764 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 765 * @param mask The ORed FlexCAN Message Buffer mask.
AnnaBridge 143:86740a56073b 766 */
AnnaBridge 143:86740a56073b 767 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 768 static inline void FLEXCAN_DisableMbInterrupts(CAN_Type *base, uint64_t mask)
AnnaBridge 143:86740a56073b 769 #else
AnnaBridge 143:86740a56073b 770 static inline void FLEXCAN_DisableMbInterrupts(CAN_Type *base, uint32_t mask)
AnnaBridge 143:86740a56073b 771 #endif
AnnaBridge 143:86740a56073b 772 {
AnnaBridge 143:86740a56073b 773 #if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0)
AnnaBridge 143:86740a56073b 774 base->IMASK1 &= ~((uint32_t)(mask & 0xFFFFFFFFU));
AnnaBridge 143:86740a56073b 775 base->IMASK2 &= ~((uint32_t)(mask >> 32));
AnnaBridge 143:86740a56073b 776 #else
AnnaBridge 143:86740a56073b 777 base->IMASK1 &= ~mask;
AnnaBridge 143:86740a56073b 778 #endif
AnnaBridge 143:86740a56073b 779 }
AnnaBridge 143:86740a56073b 780
AnnaBridge 143:86740a56073b 781 /* @} */
AnnaBridge 143:86740a56073b 782
AnnaBridge 143:86740a56073b 783 #if (defined(FSL_FEATURE_FLEXCAN_HAS_RX_FIFO_DMA) && FSL_FEATURE_FLEXCAN_HAS_RX_FIFO_DMA)
AnnaBridge 143:86740a56073b 784 /*!
AnnaBridge 143:86740a56073b 785 * @name DMA Control
AnnaBridge 143:86740a56073b 786 * @{
AnnaBridge 143:86740a56073b 787 */
AnnaBridge 143:86740a56073b 788
AnnaBridge 143:86740a56073b 789 /*!
AnnaBridge 143:86740a56073b 790 * @brief Enables or disables the FlexCAN Rx FIFO DMA request.
AnnaBridge 143:86740a56073b 791 *
AnnaBridge 143:86740a56073b 792 * This function enables or disables the DMA feature of FlexCAN build-in Rx FIFO.
AnnaBridge 143:86740a56073b 793 *
AnnaBridge 143:86740a56073b 794 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 795 * @param enable true to enable, false to disable.
AnnaBridge 143:86740a56073b 796 */
AnnaBridge 143:86740a56073b 797 void FLEXCAN_EnableRxFifoDMA(CAN_Type *base, bool enable);
AnnaBridge 143:86740a56073b 798
AnnaBridge 143:86740a56073b 799 /*!
AnnaBridge 143:86740a56073b 800 * @brief Gets the Rx FIFO Head address.
AnnaBridge 143:86740a56073b 801 *
AnnaBridge 143:86740a56073b 802 * This function returns the FlexCAN Rx FIFO Head address, which is mainly used for the DMA/eDMA use case.
AnnaBridge 143:86740a56073b 803 *
AnnaBridge 143:86740a56073b 804 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 805 * @return FlexCAN Rx FIFO Head address.
AnnaBridge 143:86740a56073b 806 */
AnnaBridge 143:86740a56073b 807 static inline uint32_t FLEXCAN_GetRxFifoHeadAddr(CAN_Type *base)
AnnaBridge 143:86740a56073b 808 {
AnnaBridge 143:86740a56073b 809 return (uint32_t) & (base->MB[0].CS);
AnnaBridge 143:86740a56073b 810 }
AnnaBridge 143:86740a56073b 811
AnnaBridge 143:86740a56073b 812 /* @} */
AnnaBridge 143:86740a56073b 813 #endif /* FSL_FEATURE_FLEXCAN_HAS_RX_FIFO_DMA */
AnnaBridge 143:86740a56073b 814
AnnaBridge 143:86740a56073b 815 /*!
AnnaBridge 143:86740a56073b 816 * @name Bus Operations
AnnaBridge 143:86740a56073b 817 * @{
AnnaBridge 143:86740a56073b 818 */
AnnaBridge 143:86740a56073b 819
AnnaBridge 143:86740a56073b 820 /*!
AnnaBridge 143:86740a56073b 821 * @brief Enables or disables the FlexCAN module operation.
AnnaBridge 143:86740a56073b 822 *
AnnaBridge 143:86740a56073b 823 * This function enables or disables the FlexCAN module.
AnnaBridge 143:86740a56073b 824 *
AnnaBridge 143:86740a56073b 825 * @param base FlexCAN base pointer.
AnnaBridge 143:86740a56073b 826 * @param enable true to enable, false to disable.
AnnaBridge 143:86740a56073b 827 */
AnnaBridge 143:86740a56073b 828 static inline void FLEXCAN_Enable(CAN_Type *base, bool enable)
AnnaBridge 143:86740a56073b 829 {
AnnaBridge 143:86740a56073b 830 if (enable)
AnnaBridge 143:86740a56073b 831 {
AnnaBridge 143:86740a56073b 832 base->MCR &= ~CAN_MCR_MDIS_MASK;
AnnaBridge 143:86740a56073b 833
AnnaBridge 143:86740a56073b 834 /* Wait FlexCAN exit from low-power mode. */
AnnaBridge 143:86740a56073b 835 while (base->MCR & CAN_MCR_LPMACK_MASK)
AnnaBridge 143:86740a56073b 836 {
AnnaBridge 143:86740a56073b 837 }
AnnaBridge 143:86740a56073b 838 }
AnnaBridge 143:86740a56073b 839 else
AnnaBridge 143:86740a56073b 840 {
AnnaBridge 143:86740a56073b 841 base->MCR |= CAN_MCR_MDIS_MASK;
AnnaBridge 143:86740a56073b 842
AnnaBridge 143:86740a56073b 843 /* Wait FlexCAN enter low-power mode. */
AnnaBridge 143:86740a56073b 844 while (!(base->MCR & CAN_MCR_LPMACK_MASK))
AnnaBridge 143:86740a56073b 845 {
AnnaBridge 143:86740a56073b 846 }
AnnaBridge 143:86740a56073b 847 }
AnnaBridge 143:86740a56073b 848 }
AnnaBridge 143:86740a56073b 849
AnnaBridge 143:86740a56073b 850 /*!
AnnaBridge 143:86740a56073b 851 * @brief Writes a FlexCAN Message to the Transmit Message Buffer.
AnnaBridge 143:86740a56073b 852 *
AnnaBridge 143:86740a56073b 853 * This function writes a CAN Message to the specified Transmit Message Buffer
AnnaBridge 143:86740a56073b 854 * and changes the Message Buffer state to start CAN Message transmit. After
AnnaBridge 143:86740a56073b 855 * that the function returns immediately.
AnnaBridge 143:86740a56073b 856 *
AnnaBridge 143:86740a56073b 857 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 858 * @param mbIdx The FlexCAN Message Buffer index.
AnnaBridge 143:86740a56073b 859 * @param txFrame Pointer to CAN message frame to be sent.
AnnaBridge 143:86740a56073b 860 * @retval kStatus_Success - Write Tx Message Buffer Successfully.
AnnaBridge 143:86740a56073b 861 * @retval kStatus_Fail - Tx Message Buffer is currently in use.
AnnaBridge 143:86740a56073b 862 */
AnnaBridge 143:86740a56073b 863 status_t FLEXCAN_WriteTxMb(CAN_Type *base, uint8_t mbIdx, const flexcan_frame_t *txFrame);
AnnaBridge 143:86740a56073b 864
AnnaBridge 143:86740a56073b 865 /*!
AnnaBridge 143:86740a56073b 866 * @brief Reads a FlexCAN Message from Receive Message Buffer.
AnnaBridge 143:86740a56073b 867 *
AnnaBridge 143:86740a56073b 868 * This function reads a CAN message from a specified Receive Message Buffer.
AnnaBridge 143:86740a56073b 869 * The function fills a receive CAN message frame structure with
AnnaBridge 143:86740a56073b 870 * just received data and activates the Message Buffer again.
AnnaBridge 143:86740a56073b 871 * The function returns immediately.
AnnaBridge 143:86740a56073b 872 *
AnnaBridge 143:86740a56073b 873 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 874 * @param mbIdx The FlexCAN Message Buffer index.
AnnaBridge 143:86740a56073b 875 * @param rxFrame Pointer to CAN message frame structure for reception.
AnnaBridge 143:86740a56073b 876 * @retval kStatus_Success - Rx Message Buffer is full and has been read successfully.
AnnaBridge 143:86740a56073b 877 * @retval kStatus_FLEXCAN_RxOverflow - Rx Message Buffer is already overflowed and has been read successfully.
AnnaBridge 143:86740a56073b 878 * @retval kStatus_Fail - Rx Message Buffer is empty.
AnnaBridge 143:86740a56073b 879 */
AnnaBridge 143:86740a56073b 880 status_t FLEXCAN_ReadRxMb(CAN_Type *base, uint8_t mbIdx, flexcan_frame_t *rxFrame);
AnnaBridge 143:86740a56073b 881
AnnaBridge 143:86740a56073b 882 /*!
AnnaBridge 143:86740a56073b 883 * @brief Reads a FlexCAN Message from Rx FIFO.
AnnaBridge 143:86740a56073b 884 *
AnnaBridge 143:86740a56073b 885 * This function reads a CAN message from the FlexCAN build-in Rx FIFO.
AnnaBridge 143:86740a56073b 886 *
AnnaBridge 143:86740a56073b 887 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 888 * @param rxFrame Pointer to CAN message frame structure for reception.
AnnaBridge 143:86740a56073b 889 * @retval kStatus_Success - Read Message from Rx FIFO successfully.
AnnaBridge 143:86740a56073b 890 * @retval kStatus_Fail - Rx FIFO is not enabled.
AnnaBridge 143:86740a56073b 891 */
AnnaBridge 143:86740a56073b 892 status_t FLEXCAN_ReadRxFifo(CAN_Type *base, flexcan_frame_t *rxFrame);
AnnaBridge 143:86740a56073b 893
AnnaBridge 143:86740a56073b 894 /* @} */
AnnaBridge 143:86740a56073b 895
AnnaBridge 143:86740a56073b 896 /*!
AnnaBridge 143:86740a56073b 897 * @name Transactional
AnnaBridge 143:86740a56073b 898 * @{
AnnaBridge 143:86740a56073b 899 */
AnnaBridge 143:86740a56073b 900
AnnaBridge 143:86740a56073b 901 /*!
AnnaBridge 143:86740a56073b 902 * @brief Performs a polling send transaction on the CAN bus.
AnnaBridge 143:86740a56073b 903 *
AnnaBridge 143:86740a56073b 904 * Note that a transfer handle does not need to be created before calling this API.
AnnaBridge 143:86740a56073b 905 *
AnnaBridge 143:86740a56073b 906 * @param base FlexCAN peripheral base pointer.
AnnaBridge 143:86740a56073b 907 * @param mbIdx The FlexCAN Message Buffer index.
AnnaBridge 143:86740a56073b 908 * @param txFrame Pointer to CAN message frame to be sent.
AnnaBridge 143:86740a56073b 909 * @retval kStatus_Success - Write Tx Message Buffer Successfully.
AnnaBridge 143:86740a56073b 910 * @retval kStatus_Fail - Tx Message Buffer is currently in use.
AnnaBridge 143:86740a56073b 911 */
AnnaBridge 143:86740a56073b 912 status_t FLEXCAN_TransferSendBlocking(CAN_Type *base, uint8_t mbIdx, flexcan_frame_t *txFrame);
AnnaBridge 143:86740a56073b 913
AnnaBridge 143:86740a56073b 914 /*!
AnnaBridge 143:86740a56073b 915 * @brief Performs a polling receive transaction on the CAN bus.
AnnaBridge 143:86740a56073b 916 *
AnnaBridge 143:86740a56073b 917 * Note that a transfer handle does not need to be created before calling this API.
AnnaBridge 143:86740a56073b 918 *
AnnaBridge 143:86740a56073b 919 * @param base FlexCAN peripheral base pointer.
AnnaBridge 143:86740a56073b 920 * @param mbIdx The FlexCAN Message Buffer index.
AnnaBridge 143:86740a56073b 921 * @param rxFrame Pointer to CAN message frame structure for reception.
AnnaBridge 143:86740a56073b 922 * @retval kStatus_Success - Rx Message Buffer is full and has been read successfully.
AnnaBridge 143:86740a56073b 923 * @retval kStatus_FLEXCAN_RxOverflow - Rx Message Buffer is already overflowed and has been read successfully.
AnnaBridge 143:86740a56073b 924 * @retval kStatus_Fail - Rx Message Buffer is empty.
AnnaBridge 143:86740a56073b 925 */
AnnaBridge 143:86740a56073b 926 status_t FLEXCAN_TransferReceiveBlocking(CAN_Type *base, uint8_t mbIdx, flexcan_frame_t *rxFrame);
AnnaBridge 143:86740a56073b 927
AnnaBridge 143:86740a56073b 928 /*!
AnnaBridge 143:86740a56073b 929 * @brief Performs a polling receive transaction from Rx FIFO on the CAN bus.
AnnaBridge 143:86740a56073b 930 *
AnnaBridge 143:86740a56073b 931 * Note that a transfer handle does not need to be created before calling this API.
AnnaBridge 143:86740a56073b 932 *
AnnaBridge 143:86740a56073b 933 * @param base FlexCAN peripheral base pointer.
AnnaBridge 143:86740a56073b 934 * @param rxFrame Pointer to CAN message frame structure for reception.
AnnaBridge 143:86740a56073b 935 * @retval kStatus_Success - Read Message from Rx FIFO successfully.
AnnaBridge 143:86740a56073b 936 * @retval kStatus_Fail - Rx FIFO is not enabled.
AnnaBridge 143:86740a56073b 937 */
AnnaBridge 143:86740a56073b 938 status_t FLEXCAN_TransferReceiveFifoBlocking(CAN_Type *base, flexcan_frame_t *rxFrame);
AnnaBridge 143:86740a56073b 939
AnnaBridge 143:86740a56073b 940 /*!
AnnaBridge 143:86740a56073b 941 * @brief Initializes the FlexCAN handle.
AnnaBridge 143:86740a56073b 942 *
AnnaBridge 143:86740a56073b 943 * This function initializes the FlexCAN handle, which can be used for other FlexCAN
AnnaBridge 143:86740a56073b 944 * transactional APIs. Usually, for a specified FlexCAN instance,
AnnaBridge 143:86740a56073b 945 * call this API once to get the initialized handle.
AnnaBridge 143:86740a56073b 946 *
AnnaBridge 143:86740a56073b 947 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 948 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 949 * @param callback The callback function.
AnnaBridge 143:86740a56073b 950 * @param userData The parameter of the callback function.
AnnaBridge 143:86740a56073b 951 */
AnnaBridge 143:86740a56073b 952 void FLEXCAN_TransferCreateHandle(CAN_Type *base,
AnnaBridge 143:86740a56073b 953 flexcan_handle_t *handle,
AnnaBridge 143:86740a56073b 954 flexcan_transfer_callback_t callback,
AnnaBridge 143:86740a56073b 955 void *userData);
AnnaBridge 143:86740a56073b 956
AnnaBridge 143:86740a56073b 957 /*!
AnnaBridge 143:86740a56073b 958 * @brief Sends a message using IRQ.
AnnaBridge 143:86740a56073b 959 *
AnnaBridge 143:86740a56073b 960 * This function sends a message using IRQ. This is a non-blocking function, which returns
AnnaBridge 143:86740a56073b 961 * right away. When messages have been sent out, the send callback function is called.
AnnaBridge 143:86740a56073b 962 *
AnnaBridge 143:86740a56073b 963 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 964 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 965 * @param xfer FlexCAN Message Buffer transfer structure. See the #flexcan_mb_transfer_t.
AnnaBridge 143:86740a56073b 966 * @retval kStatus_Success Start Tx Message Buffer sending process successfully.
AnnaBridge 143:86740a56073b 967 * @retval kStatus_Fail Write Tx Message Buffer failed.
AnnaBridge 143:86740a56073b 968 * @retval kStatus_FLEXCAN_TxBusy Tx Message Buffer is in use.
AnnaBridge 143:86740a56073b 969 */
AnnaBridge 143:86740a56073b 970 status_t FLEXCAN_TransferSendNonBlocking(CAN_Type *base, flexcan_handle_t *handle, flexcan_mb_transfer_t *xfer);
AnnaBridge 143:86740a56073b 971
AnnaBridge 143:86740a56073b 972 /*!
AnnaBridge 143:86740a56073b 973 * @brief Receives a message using IRQ.
AnnaBridge 143:86740a56073b 974 *
AnnaBridge 143:86740a56073b 975 * This function receives a message using IRQ. This is non-blocking function, which returns
AnnaBridge 143:86740a56073b 976 * right away. When the message has been received, the receive callback function is called.
AnnaBridge 143:86740a56073b 977 *
AnnaBridge 143:86740a56073b 978 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 979 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 980 * @param xfer FlexCAN Message Buffer transfer structure. See the #flexcan_mb_transfer_t.
AnnaBridge 143:86740a56073b 981 * @retval kStatus_Success - Start Rx Message Buffer receiving process successfully.
AnnaBridge 143:86740a56073b 982 * @retval kStatus_FLEXCAN_RxBusy - Rx Message Buffer is in use.
AnnaBridge 143:86740a56073b 983 */
AnnaBridge 143:86740a56073b 984 status_t FLEXCAN_TransferReceiveNonBlocking(CAN_Type *base, flexcan_handle_t *handle, flexcan_mb_transfer_t *xfer);
AnnaBridge 143:86740a56073b 985
AnnaBridge 143:86740a56073b 986 /*!
AnnaBridge 143:86740a56073b 987 * @brief Receives a message from Rx FIFO using IRQ.
AnnaBridge 143:86740a56073b 988 *
AnnaBridge 143:86740a56073b 989 * This function receives a message using IRQ. This is a non-blocking function, which returns
AnnaBridge 143:86740a56073b 990 * right away. When all messages have been received, the receive callback function is called.
AnnaBridge 143:86740a56073b 991 *
AnnaBridge 143:86740a56073b 992 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 993 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 994 * @param xfer FlexCAN Rx FIFO transfer structure. See the @ref flexcan_fifo_transfer_t.
AnnaBridge 143:86740a56073b 995 * @retval kStatus_Success - Start Rx FIFO receiving process successfully.
AnnaBridge 143:86740a56073b 996 * @retval kStatus_FLEXCAN_RxFifoBusy - Rx FIFO is currently in use.
AnnaBridge 143:86740a56073b 997 */
AnnaBridge 143:86740a56073b 998 status_t FLEXCAN_TransferReceiveFifoNonBlocking(CAN_Type *base,
AnnaBridge 143:86740a56073b 999 flexcan_handle_t *handle,
AnnaBridge 143:86740a56073b 1000 flexcan_fifo_transfer_t *xfer);
AnnaBridge 143:86740a56073b 1001
AnnaBridge 143:86740a56073b 1002 /*!
AnnaBridge 143:86740a56073b 1003 * @brief Aborts the interrupt driven message send process.
AnnaBridge 143:86740a56073b 1004 *
AnnaBridge 143:86740a56073b 1005 * This function aborts the interrupt driven message send process.
AnnaBridge 143:86740a56073b 1006 *
AnnaBridge 143:86740a56073b 1007 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 1008 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 1009 * @param mbIdx The FlexCAN Message Buffer index.
AnnaBridge 143:86740a56073b 1010 */
AnnaBridge 143:86740a56073b 1011 void FLEXCAN_TransferAbortSend(CAN_Type *base, flexcan_handle_t *handle, uint8_t mbIdx);
AnnaBridge 143:86740a56073b 1012
AnnaBridge 143:86740a56073b 1013 /*!
AnnaBridge 143:86740a56073b 1014 * @brief Aborts the interrupt driven message receive process.
AnnaBridge 143:86740a56073b 1015 *
AnnaBridge 143:86740a56073b 1016 * This function aborts the interrupt driven message receive process.
AnnaBridge 143:86740a56073b 1017 *
AnnaBridge 143:86740a56073b 1018 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 1019 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 1020 * @param mbIdx The FlexCAN Message Buffer index.
AnnaBridge 143:86740a56073b 1021 */
AnnaBridge 143:86740a56073b 1022 void FLEXCAN_TransferAbortReceive(CAN_Type *base, flexcan_handle_t *handle, uint8_t mbIdx);
AnnaBridge 143:86740a56073b 1023
AnnaBridge 143:86740a56073b 1024 /*!
AnnaBridge 143:86740a56073b 1025 * @brief Aborts the interrupt driven message receive from Rx FIFO process.
AnnaBridge 143:86740a56073b 1026 *
AnnaBridge 143:86740a56073b 1027 * This function aborts the interrupt driven message receive from Rx FIFO process.
AnnaBridge 143:86740a56073b 1028 *
AnnaBridge 143:86740a56073b 1029 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 1030 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 1031 */
AnnaBridge 143:86740a56073b 1032 void FLEXCAN_TransferAbortReceiveFifo(CAN_Type *base, flexcan_handle_t *handle);
AnnaBridge 143:86740a56073b 1033
AnnaBridge 143:86740a56073b 1034 /*!
AnnaBridge 143:86740a56073b 1035 * @brief FlexCAN IRQ handle function.
AnnaBridge 143:86740a56073b 1036 *
AnnaBridge 143:86740a56073b 1037 * This function handles the FlexCAN Error, the Message Buffer, and the Rx FIFO IRQ request.
AnnaBridge 143:86740a56073b 1038 *
AnnaBridge 143:86740a56073b 1039 * @param base FlexCAN peripheral base address.
AnnaBridge 143:86740a56073b 1040 * @param handle FlexCAN handle pointer.
AnnaBridge 143:86740a56073b 1041 */
AnnaBridge 143:86740a56073b 1042 void FLEXCAN_TransferHandleIRQ(CAN_Type *base, flexcan_handle_t *handle);
AnnaBridge 143:86740a56073b 1043
AnnaBridge 143:86740a56073b 1044 /* @} */
AnnaBridge 143:86740a56073b 1045
AnnaBridge 143:86740a56073b 1046 #if defined(__cplusplus)
AnnaBridge 143:86740a56073b 1047 }
AnnaBridge 143:86740a56073b 1048 #endif
AnnaBridge 143:86740a56073b 1049
AnnaBridge 143:86740a56073b 1050 /*! @}*/
AnnaBridge 143:86740a56073b 1051
AnnaBridge 143:86740a56073b 1052 #endif /* _FSL_FLEXCAN_H_ */