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TARGET_USENSE/TOOLCHAIN_GCC_ARM/fsl_lpuart_edma.h@171:3a7713b1edbc, 2018-11-08 (annotated)
- Committer:
- AnnaBridge
- Date:
- Thu Nov 08 11:45:42 2018 +0000
- Revision:
- 171:3a7713b1edbc
- Parent:
- TARGET_USENSE/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/drivers/fsl_lpuart_edma.h@145:64910690c574
mbed library. Release version 164
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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AnnaBridge | 145:64910690c574 | 1 | /* |
AnnaBridge | 145:64910690c574 | 2 | * Copyright (c) 2015, Freescale Semiconductor, Inc. |
AnnaBridge | 145:64910690c574 | 3 | * All rights reserved. |
AnnaBridge | 145:64910690c574 | 4 | * |
AnnaBridge | 145:64910690c574 | 5 | * Redistribution and use in source and binary forms, with or without modification, |
AnnaBridge | 145:64910690c574 | 6 | * are permitted provided that the following conditions are met: |
AnnaBridge | 145:64910690c574 | 7 | * |
AnnaBridge | 145:64910690c574 | 8 | * o Redistributions of source code must retain the above copyright notice, this list |
AnnaBridge | 145:64910690c574 | 9 | * of conditions and the following disclaimer. |
AnnaBridge | 145:64910690c574 | 10 | * |
AnnaBridge | 145:64910690c574 | 11 | * o Redistributions in binary form must reproduce the above copyright notice, this |
AnnaBridge | 145:64910690c574 | 12 | * list of conditions and the following disclaimer in the documentation and/or |
AnnaBridge | 145:64910690c574 | 13 | * other materials provided with the distribution. |
AnnaBridge | 145:64910690c574 | 14 | * |
AnnaBridge | 145:64910690c574 | 15 | * o Neither the name of Freescale Semiconductor, Inc. nor the names of its |
AnnaBridge | 145:64910690c574 | 16 | * contributors may be used to endorse or promote products derived from this |
AnnaBridge | 145:64910690c574 | 17 | * software without specific prior written permission. |
AnnaBridge | 145:64910690c574 | 18 | * |
AnnaBridge | 145:64910690c574 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
AnnaBridge | 145:64910690c574 | 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
AnnaBridge | 145:64910690c574 | 21 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
AnnaBridge | 145:64910690c574 | 22 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
AnnaBridge | 145:64910690c574 | 23 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
AnnaBridge | 145:64910690c574 | 24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
AnnaBridge | 145:64910690c574 | 25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
AnnaBridge | 145:64910690c574 | 26 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
AnnaBridge | 145:64910690c574 | 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
AnnaBridge | 145:64910690c574 | 28 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
AnnaBridge | 145:64910690c574 | 29 | */ |
AnnaBridge | 145:64910690c574 | 30 | #ifndef _FSL_LPUART_EDMA_H_ |
AnnaBridge | 145:64910690c574 | 31 | #define _FSL_LPUART_EDMA_H_ |
AnnaBridge | 145:64910690c574 | 32 | |
AnnaBridge | 145:64910690c574 | 33 | #include "fsl_lpuart.h" |
AnnaBridge | 145:64910690c574 | 34 | #include "fsl_dmamux.h" |
AnnaBridge | 145:64910690c574 | 35 | #include "fsl_edma.h" |
AnnaBridge | 145:64910690c574 | 36 | |
AnnaBridge | 145:64910690c574 | 37 | /*! |
AnnaBridge | 145:64910690c574 | 38 | * @addtogroup lpuart_edma_driver |
AnnaBridge | 145:64910690c574 | 39 | * @{ |
AnnaBridge | 145:64910690c574 | 40 | */ |
AnnaBridge | 145:64910690c574 | 41 | |
AnnaBridge | 145:64910690c574 | 42 | |
AnnaBridge | 145:64910690c574 | 43 | /******************************************************************************* |
AnnaBridge | 145:64910690c574 | 44 | * Definitions |
AnnaBridge | 145:64910690c574 | 45 | ******************************************************************************/ |
AnnaBridge | 145:64910690c574 | 46 | |
AnnaBridge | 145:64910690c574 | 47 | /* Forward declaration of the handle typedef. */ |
AnnaBridge | 145:64910690c574 | 48 | typedef struct _lpuart_edma_handle lpuart_edma_handle_t; |
AnnaBridge | 145:64910690c574 | 49 | |
AnnaBridge | 145:64910690c574 | 50 | /*! @brief LPUART transfer callback function. */ |
AnnaBridge | 145:64910690c574 | 51 | typedef void (*lpuart_edma_transfer_callback_t)(LPUART_Type *base, |
AnnaBridge | 145:64910690c574 | 52 | lpuart_edma_handle_t *handle, |
AnnaBridge | 145:64910690c574 | 53 | status_t status, |
AnnaBridge | 145:64910690c574 | 54 | void *userData); |
AnnaBridge | 145:64910690c574 | 55 | |
AnnaBridge | 145:64910690c574 | 56 | /*! |
AnnaBridge | 145:64910690c574 | 57 | * @brief LPUART eDMA handle |
AnnaBridge | 145:64910690c574 | 58 | */ |
AnnaBridge | 145:64910690c574 | 59 | struct _lpuart_edma_handle |
AnnaBridge | 145:64910690c574 | 60 | { |
AnnaBridge | 145:64910690c574 | 61 | lpuart_edma_transfer_callback_t callback; /*!< Callback function. */ |
AnnaBridge | 145:64910690c574 | 62 | void *userData; /*!< LPUART callback function parameter.*/ |
AnnaBridge | 145:64910690c574 | 63 | size_t rxDataSizeAll; /*!< Size of the data to receive. */ |
AnnaBridge | 145:64910690c574 | 64 | size_t txDataSizeAll; /*!< Size of the data to send out. */ |
AnnaBridge | 145:64910690c574 | 65 | |
AnnaBridge | 145:64910690c574 | 66 | edma_handle_t *txEdmaHandle; /*!< The eDMA TX channel used. */ |
AnnaBridge | 145:64910690c574 | 67 | edma_handle_t *rxEdmaHandle; /*!< The eDMA RX channel used. */ |
AnnaBridge | 145:64910690c574 | 68 | |
AnnaBridge | 145:64910690c574 | 69 | volatile uint8_t txState; /*!< TX transfer state. */ |
AnnaBridge | 145:64910690c574 | 70 | volatile uint8_t rxState; /*!< RX transfer state */ |
AnnaBridge | 145:64910690c574 | 71 | }; |
AnnaBridge | 145:64910690c574 | 72 | |
AnnaBridge | 145:64910690c574 | 73 | /******************************************************************************* |
AnnaBridge | 145:64910690c574 | 74 | * API |
AnnaBridge | 145:64910690c574 | 75 | ******************************************************************************/ |
AnnaBridge | 145:64910690c574 | 76 | |
AnnaBridge | 145:64910690c574 | 77 | #if defined(__cplusplus) |
AnnaBridge | 145:64910690c574 | 78 | extern "C" { |
AnnaBridge | 145:64910690c574 | 79 | #endif |
AnnaBridge | 145:64910690c574 | 80 | |
AnnaBridge | 145:64910690c574 | 81 | /*! |
AnnaBridge | 145:64910690c574 | 82 | * @name eDMA transactional |
AnnaBridge | 145:64910690c574 | 83 | * @{ |
AnnaBridge | 145:64910690c574 | 84 | */ |
AnnaBridge | 145:64910690c574 | 85 | |
AnnaBridge | 145:64910690c574 | 86 | /*! |
AnnaBridge | 145:64910690c574 | 87 | * @brief Initializes the LPUART handle which is used in transactional functions. |
AnnaBridge | 145:64910690c574 | 88 | * @param base LPUART peripheral base address. |
AnnaBridge | 145:64910690c574 | 89 | * @param handle Pointer to lpuart_edma_handle_t structure. |
AnnaBridge | 145:64910690c574 | 90 | * @param callback Callback function. |
AnnaBridge | 145:64910690c574 | 91 | * @param userData User data. |
AnnaBridge | 145:64910690c574 | 92 | * @param txEdmaHandle User requested DMA handle for TX DMA transfer. |
AnnaBridge | 145:64910690c574 | 93 | * @param rxEdmaHandle User requested DMA handle for RX DMA transfer. |
AnnaBridge | 145:64910690c574 | 94 | */ |
AnnaBridge | 145:64910690c574 | 95 | void LPUART_TransferCreateHandleEDMA(LPUART_Type *base, |
AnnaBridge | 145:64910690c574 | 96 | lpuart_edma_handle_t *handle, |
AnnaBridge | 145:64910690c574 | 97 | lpuart_edma_transfer_callback_t callback, |
AnnaBridge | 145:64910690c574 | 98 | void *userData, |
AnnaBridge | 145:64910690c574 | 99 | edma_handle_t *txEdmaHandle, |
AnnaBridge | 145:64910690c574 | 100 | edma_handle_t *rxEdmaHandle); |
AnnaBridge | 145:64910690c574 | 101 | |
AnnaBridge | 145:64910690c574 | 102 | /*! |
AnnaBridge | 145:64910690c574 | 103 | * @brief Sends data using eDMA. |
AnnaBridge | 145:64910690c574 | 104 | * |
AnnaBridge | 145:64910690c574 | 105 | * This function sends data using eDMA. This is a non-blocking function, which returns |
AnnaBridge | 145:64910690c574 | 106 | * right away. When all data is sent, the send callback function is called. |
AnnaBridge | 145:64910690c574 | 107 | * |
AnnaBridge | 145:64910690c574 | 108 | * @param base LPUART peripheral base address. |
AnnaBridge | 145:64910690c574 | 109 | * @param handle LPUART handle pointer. |
AnnaBridge | 145:64910690c574 | 110 | * @param xfer LPUART eDMA transfer structure. See #lpuart_transfer_t. |
AnnaBridge | 145:64910690c574 | 111 | * @retval kStatus_Success if succeed, others failed. |
AnnaBridge | 145:64910690c574 | 112 | * @retval kStatus_LPUART_TxBusy Previous transfer on going. |
AnnaBridge | 145:64910690c574 | 113 | * @retval kStatus_InvalidArgument Invalid argument. |
AnnaBridge | 145:64910690c574 | 114 | */ |
AnnaBridge | 145:64910690c574 | 115 | status_t LPUART_SendEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, lpuart_transfer_t *xfer); |
AnnaBridge | 145:64910690c574 | 116 | |
AnnaBridge | 145:64910690c574 | 117 | /*! |
AnnaBridge | 145:64910690c574 | 118 | * @brief Receives data using eDMA. |
AnnaBridge | 145:64910690c574 | 119 | * |
AnnaBridge | 145:64910690c574 | 120 | * This function receives data using eDMA. This is non-blocking function, which returns |
AnnaBridge | 145:64910690c574 | 121 | * right away. When all data is received, the receive callback function is called. |
AnnaBridge | 145:64910690c574 | 122 | * |
AnnaBridge | 145:64910690c574 | 123 | * @param base LPUART peripheral base address. |
AnnaBridge | 145:64910690c574 | 124 | * @param handle Pointer to lpuart_edma_handle_t structure. |
AnnaBridge | 145:64910690c574 | 125 | * @param xfer LPUART eDMA transfer structure, see #lpuart_transfer_t. |
AnnaBridge | 145:64910690c574 | 126 | * @retval kStatus_Success if succeed, others fail. |
AnnaBridge | 145:64910690c574 | 127 | * @retval kStatus_LPUART_RxBusy Previous transfer ongoing. |
AnnaBridge | 145:64910690c574 | 128 | * @retval kStatus_InvalidArgument Invalid argument. |
AnnaBridge | 145:64910690c574 | 129 | */ |
AnnaBridge | 145:64910690c574 | 130 | status_t LPUART_ReceiveEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, lpuart_transfer_t *xfer); |
AnnaBridge | 145:64910690c574 | 131 | |
AnnaBridge | 145:64910690c574 | 132 | /*! |
AnnaBridge | 145:64910690c574 | 133 | * @brief Aborts the sent data using eDMA. |
AnnaBridge | 145:64910690c574 | 134 | * |
AnnaBridge | 145:64910690c574 | 135 | * This function aborts the sent data using eDMA. |
AnnaBridge | 145:64910690c574 | 136 | * |
AnnaBridge | 145:64910690c574 | 137 | * @param base LPUART peripheral base address. |
AnnaBridge | 145:64910690c574 | 138 | * @param handle Pointer to lpuart_edma_handle_t structure. |
AnnaBridge | 145:64910690c574 | 139 | */ |
AnnaBridge | 145:64910690c574 | 140 | void LPUART_TransferAbortSendEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle); |
AnnaBridge | 145:64910690c574 | 141 | |
AnnaBridge | 145:64910690c574 | 142 | /*! |
AnnaBridge | 145:64910690c574 | 143 | * @brief Aborts the received data using eDMA. |
AnnaBridge | 145:64910690c574 | 144 | * |
AnnaBridge | 145:64910690c574 | 145 | * This function aborts the received data using eDMA. |
AnnaBridge | 145:64910690c574 | 146 | * |
AnnaBridge | 145:64910690c574 | 147 | * @param base LPUART peripheral base address. |
AnnaBridge | 145:64910690c574 | 148 | * @param handle Pointer to lpuart_edma_handle_t structure. |
AnnaBridge | 145:64910690c574 | 149 | */ |
AnnaBridge | 145:64910690c574 | 150 | void LPUART_TransferAbortReceiveEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle); |
AnnaBridge | 145:64910690c574 | 151 | |
AnnaBridge | 145:64910690c574 | 152 | /*! |
AnnaBridge | 145:64910690c574 | 153 | * @brief Get the number of bytes that have been written to LPUART TX register. |
AnnaBridge | 145:64910690c574 | 154 | * |
AnnaBridge | 145:64910690c574 | 155 | * This function gets the number of bytes that have been written to LPUART TX |
AnnaBridge | 145:64910690c574 | 156 | * register by DMA. |
AnnaBridge | 145:64910690c574 | 157 | * |
AnnaBridge | 145:64910690c574 | 158 | * @param base LPUART peripheral base address. |
AnnaBridge | 145:64910690c574 | 159 | * @param handle LPUART handle pointer. |
AnnaBridge | 145:64910690c574 | 160 | * @param count Send bytes count. |
AnnaBridge | 145:64910690c574 | 161 | * @retval kStatus_NoTransferInProgress No send in progress. |
AnnaBridge | 145:64910690c574 | 162 | * @retval kStatus_InvalidArgument Parameter is invalid. |
AnnaBridge | 145:64910690c574 | 163 | * @retval kStatus_Success Get successfully through the parameter \p count; |
AnnaBridge | 145:64910690c574 | 164 | */ |
AnnaBridge | 145:64910690c574 | 165 | status_t LPUART_TransferGetSendCountEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, uint32_t *count); |
AnnaBridge | 145:64910690c574 | 166 | |
AnnaBridge | 145:64910690c574 | 167 | /*! |
AnnaBridge | 145:64910690c574 | 168 | * @brief Get the number of bytes that have been received. |
AnnaBridge | 145:64910690c574 | 169 | * |
AnnaBridge | 145:64910690c574 | 170 | * This function gets the number of bytes that have been received. |
AnnaBridge | 145:64910690c574 | 171 | * |
AnnaBridge | 145:64910690c574 | 172 | * @param base LPUART peripheral base address. |
AnnaBridge | 145:64910690c574 | 173 | * @param handle LPUART handle pointer. |
AnnaBridge | 145:64910690c574 | 174 | * @param count Receive bytes count. |
AnnaBridge | 145:64910690c574 | 175 | * @retval kStatus_NoTransferInProgress No receive in progress. |
AnnaBridge | 145:64910690c574 | 176 | * @retval kStatus_InvalidArgument Parameter is invalid. |
AnnaBridge | 145:64910690c574 | 177 | * @retval kStatus_Success Get successfully through the parameter \p count; |
AnnaBridge | 145:64910690c574 | 178 | */ |
AnnaBridge | 145:64910690c574 | 179 | status_t LPUART_TransferGetReceiveCountEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, uint32_t *count); |
AnnaBridge | 145:64910690c574 | 180 | |
AnnaBridge | 145:64910690c574 | 181 | /*@}*/ |
AnnaBridge | 145:64910690c574 | 182 | |
AnnaBridge | 145:64910690c574 | 183 | #if defined(__cplusplus) |
AnnaBridge | 145:64910690c574 | 184 | } |
AnnaBridge | 145:64910690c574 | 185 | #endif |
AnnaBridge | 145:64910690c574 | 186 | |
AnnaBridge | 145:64910690c574 | 187 | /*! @}*/ |
AnnaBridge | 145:64910690c574 | 188 | |
AnnaBridge | 145:64910690c574 | 189 | #endif /* _FSL_LPUART_EDMA_H_ */ |