Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL43Z/drivers/fsl_flexio_uart_dma.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /*
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
<> 144:ef7eb2e8f9f7 3 * All rights reserved.
<> 144:ef7eb2e8f9f7 4 *
<> 144:ef7eb2e8f9f7 5 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 6 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * o Redistributions of source code must retain the above copyright notice, this list
<> 144:ef7eb2e8f9f7 9 * of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * o Redistributions in binary form must reproduce the above copyright notice, this
<> 144:ef7eb2e8f9f7 12 * list of conditions and the following disclaimer in the documentation and/or
<> 144:ef7eb2e8f9f7 13 * other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
<> 144:ef7eb2e8f9f7 16 * contributors may be used to endorse or promote products derived from this
<> 144:ef7eb2e8f9f7 17 * software without specific prior written permission.
<> 144:ef7eb2e8f9f7 18 *
<> 144:ef7eb2e8f9f7 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
<> 144:ef7eb2e8f9f7 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
<> 144:ef7eb2e8f9f7 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
<> 144:ef7eb2e8f9f7 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
<> 144:ef7eb2e8f9f7 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
<> 144:ef7eb2e8f9f7 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
<> 144:ef7eb2e8f9f7 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
<> 144:ef7eb2e8f9f7 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
<> 144:ef7eb2e8f9f7 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 29 */
<> 144:ef7eb2e8f9f7 30 #ifndef _FSL_FLEXIO_UART_DMA_H_
<> 144:ef7eb2e8f9f7 31 #define _FSL_FLEXIO_UART_DMA_H_
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 #include "fsl_flexio_uart.h"
<> 144:ef7eb2e8f9f7 34 #include "fsl_dmamux.h"
<> 144:ef7eb2e8f9f7 35 #include "fsl_dma.h"
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 /*!
<> 144:ef7eb2e8f9f7 38 * @addtogroup flexio_dma_uart
<> 144:ef7eb2e8f9f7 39 * @{
<> 144:ef7eb2e8f9f7 40 */
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 /*! @file*/
<> 144:ef7eb2e8f9f7 43
<> 144:ef7eb2e8f9f7 44 /*******************************************************************************
<> 144:ef7eb2e8f9f7 45 * Definitions
<> 144:ef7eb2e8f9f7 46 ******************************************************************************/
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 /* Forward declaration of the handle typedef. */
<> 144:ef7eb2e8f9f7 49 typedef struct _flexio_uart_dma_handle flexio_uart_dma_handle_t;
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 /*! @brief UART transfer callback function. */
<> 144:ef7eb2e8f9f7 52 typedef void (*flexio_uart_dma_transfer_callback_t)(FLEXIO_UART_Type *base,
<> 144:ef7eb2e8f9f7 53 flexio_uart_dma_handle_t *handle,
<> 144:ef7eb2e8f9f7 54 status_t status,
<> 144:ef7eb2e8f9f7 55 void *userData);
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 /*!
<> 144:ef7eb2e8f9f7 58 * @brief UART DMA handle
<> 144:ef7eb2e8f9f7 59 */
<> 144:ef7eb2e8f9f7 60 struct _flexio_uart_dma_handle
<> 144:ef7eb2e8f9f7 61 {
<> 144:ef7eb2e8f9f7 62 flexio_uart_dma_transfer_callback_t callback; /*!< Callback function. */
<> 144:ef7eb2e8f9f7 63 void *userData; /*!< UART callback function parameter.*/
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 size_t txSize; /*!< Total bytes to be sent. */
<> 144:ef7eb2e8f9f7 66 size_t rxSize; /*!< Total bytes to be received. */
<> 144:ef7eb2e8f9f7 67
<> 144:ef7eb2e8f9f7 68 dma_handle_t *txDmaHandle; /*!< The DMA TX channel used. */
<> 144:ef7eb2e8f9f7 69 dma_handle_t *rxDmaHandle; /*!< The DMA RX channel used. */
<> 144:ef7eb2e8f9f7 70
<> 144:ef7eb2e8f9f7 71 volatile uint8_t txState; /*!< TX transfer state. */
<> 144:ef7eb2e8f9f7 72 volatile uint8_t rxState; /*!< RX transfer state */
<> 144:ef7eb2e8f9f7 73 };
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 /*******************************************************************************
<> 144:ef7eb2e8f9f7 76 * API
<> 144:ef7eb2e8f9f7 77 ******************************************************************************/
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79 #if defined(__cplusplus)
<> 144:ef7eb2e8f9f7 80 extern "C" {
<> 144:ef7eb2e8f9f7 81 #endif
<> 144:ef7eb2e8f9f7 82
<> 144:ef7eb2e8f9f7 83 /*!
<> 144:ef7eb2e8f9f7 84 * @name eDMA transactional
<> 144:ef7eb2e8f9f7 85 * @{
<> 144:ef7eb2e8f9f7 86 */
<> 144:ef7eb2e8f9f7 87
<> 144:ef7eb2e8f9f7 88 /*!
<> 144:ef7eb2e8f9f7 89 * @brief Initializes the FLEXIO_UART handle which is used in transactional functions
<> 144:ef7eb2e8f9f7 90 *
<> 144:ef7eb2e8f9f7 91 * @param base Pointer to FLEXIO_UART_Type structure.
<> 144:ef7eb2e8f9f7 92 * @param handle Pointer to flexio_uart_dma_handle_t structure.
<> 144:ef7eb2e8f9f7 93 * @param callback FlexIO UART callback, NULL means no callback.
<> 144:ef7eb2e8f9f7 94 * @param userData User callback function data.
<> 144:ef7eb2e8f9f7 95 * @param txDmaHandle User requested DMA handle for TX DMA transfer.
<> 144:ef7eb2e8f9f7 96 * @param rxDmaHandle User requested DMA handle for RX DMA transfer.
<> 144:ef7eb2e8f9f7 97 * @retval kStatus_Success Successfully create the handle.
<> 144:ef7eb2e8f9f7 98 * @retval kStatus_OutOfRange The FlexIO UART DMA type/handle table out of range.
<> 144:ef7eb2e8f9f7 99 */
<> 144:ef7eb2e8f9f7 100 status_t FLEXIO_UART_TransferCreateHandleDMA(FLEXIO_UART_Type *base,
<> 144:ef7eb2e8f9f7 101 flexio_uart_dma_handle_t *handle,
<> 144:ef7eb2e8f9f7 102 flexio_uart_dma_transfer_callback_t callback,
<> 144:ef7eb2e8f9f7 103 void *userData,
<> 144:ef7eb2e8f9f7 104 dma_handle_t *txDmaHandle,
<> 144:ef7eb2e8f9f7 105 dma_handle_t *rxDmaHandle);
<> 144:ef7eb2e8f9f7 106
<> 144:ef7eb2e8f9f7 107 /*!
<> 144:ef7eb2e8f9f7 108 * @brief Sends data using DMA.
<> 144:ef7eb2e8f9f7 109 *
<> 144:ef7eb2e8f9f7 110 * This function send data using DMA, this is non-blocking function, which return
<> 144:ef7eb2e8f9f7 111 * right away. When all data have been sent out, the send callback function is called.
<> 144:ef7eb2e8f9f7 112 *
<> 144:ef7eb2e8f9f7 113 * @param base Pointer to FLEXIO_UART_Type structure
<> 144:ef7eb2e8f9f7 114 * @param handle Pointer to flexio_uart_dma_handle_t structure
<> 144:ef7eb2e8f9f7 115 * @param xfer FLEXIO_UART DMA transfer structure, refer to #flexio_uart_transfer_t.
<> 144:ef7eb2e8f9f7 116 * @retval kStatus_Success if succeed, others failed.
<> 144:ef7eb2e8f9f7 117 * @retval kStatus_FLEXIO_UART_TxBusy Previous transfer on going.
<> 144:ef7eb2e8f9f7 118 */
<> 144:ef7eb2e8f9f7 119 status_t FLEXIO_UART_TransferSendDMA(FLEXIO_UART_Type *base,
<> 144:ef7eb2e8f9f7 120 flexio_uart_dma_handle_t *handle,
<> 144:ef7eb2e8f9f7 121 flexio_uart_transfer_t *xfer);
<> 144:ef7eb2e8f9f7 122
<> 144:ef7eb2e8f9f7 123 /*!
<> 144:ef7eb2e8f9f7 124 * @brief Receives data using DMA.
<> 144:ef7eb2e8f9f7 125 *
<> 144:ef7eb2e8f9f7 126 * This function receives data using DMA. This is non-blocking function, which returns
<> 144:ef7eb2e8f9f7 127 * right away. When all data have been received, the receive callback function is called.
<> 144:ef7eb2e8f9f7 128 *
<> 144:ef7eb2e8f9f7 129 * @param base Pointer to FLEXIO_UART_Type structure
<> 144:ef7eb2e8f9f7 130 * @param handle Pointer to flexio_uart_dma_handle_t structure
<> 144:ef7eb2e8f9f7 131 * @param xfer FLEXIO_UART DMA transfer sturcture, refer to #flexio_uart_transfer_t.
<> 144:ef7eb2e8f9f7 132 * @retval kStatus_Success if succeed, others failed.
<> 144:ef7eb2e8f9f7 133 * @retval kStatus_FLEXIO_UART_RxBusy Previous transfer on going.
<> 144:ef7eb2e8f9f7 134 */
<> 144:ef7eb2e8f9f7 135 status_t FLEXIO_UART_TransferReceiveDMA(FLEXIO_UART_Type *base,
<> 144:ef7eb2e8f9f7 136 flexio_uart_dma_handle_t *handle,
<> 144:ef7eb2e8f9f7 137 flexio_uart_transfer_t *xfer);
<> 144:ef7eb2e8f9f7 138
<> 144:ef7eb2e8f9f7 139 /*!
<> 144:ef7eb2e8f9f7 140 * @brief Aborts the sent data which using DMA.
<> 144:ef7eb2e8f9f7 141 *
<> 144:ef7eb2e8f9f7 142 * This function aborts the sent data which using DMA.
<> 144:ef7eb2e8f9f7 143 *
<> 144:ef7eb2e8f9f7 144 * @param base Pointer to FLEXIO_UART_Type structure
<> 144:ef7eb2e8f9f7 145 * @param handle Pointer to flexio_uart_dma_handle_t structure
<> 144:ef7eb2e8f9f7 146 */
<> 144:ef7eb2e8f9f7 147 void FLEXIO_UART_TransferAbortSendDMA(FLEXIO_UART_Type *base, flexio_uart_dma_handle_t *handle);
<> 144:ef7eb2e8f9f7 148
<> 144:ef7eb2e8f9f7 149 /*!
<> 144:ef7eb2e8f9f7 150 * @brief Aborts the receive data which using DMA.
<> 144:ef7eb2e8f9f7 151 *
<> 144:ef7eb2e8f9f7 152 * This function aborts the receive data which using DMA.
<> 144:ef7eb2e8f9f7 153 *
<> 144:ef7eb2e8f9f7 154 * @param base Pointer to FLEXIO_UART_Type structure
<> 144:ef7eb2e8f9f7 155 * @param handle Pointer to flexio_uart_dma_handle_t structure
<> 144:ef7eb2e8f9f7 156 */
<> 144:ef7eb2e8f9f7 157 void FLEXIO_UART_TransferAbortReceiveDMA(FLEXIO_UART_Type *base, flexio_uart_dma_handle_t *handle);
<> 144:ef7eb2e8f9f7 158
<> 144:ef7eb2e8f9f7 159 /*!
<> 144:ef7eb2e8f9f7 160 * @brief Gets the number of bytes still not sent out.
<> 144:ef7eb2e8f9f7 161 *
<> 144:ef7eb2e8f9f7 162 * This function gets the number of bytes still not sent out.
<> 144:ef7eb2e8f9f7 163 *
<> 144:ef7eb2e8f9f7 164 * @param base Pointer to FLEXIO_UART_Type structure
<> 144:ef7eb2e8f9f7 165 * @param handle Pointer to flexio_uart_dma_handle_t structure
<> 144:ef7eb2e8f9f7 166 * @param count Number of bytes sent so far by the non-blocking transaction.
<> 144:ef7eb2e8f9f7 167 */
<> 144:ef7eb2e8f9f7 168 status_t FLEXIO_UART_TransferGetSendCountDMA(FLEXIO_UART_Type *base, flexio_uart_dma_handle_t *handle, size_t *count);
<> 144:ef7eb2e8f9f7 169
<> 144:ef7eb2e8f9f7 170 /*!
<> 144:ef7eb2e8f9f7 171 * @brief Gets the number of bytes still not received.
<> 144:ef7eb2e8f9f7 172 *
<> 144:ef7eb2e8f9f7 173 * This function gets the number of bytes still not received.
<> 144:ef7eb2e8f9f7 174 *
<> 144:ef7eb2e8f9f7 175 * @param base Pointer to FLEXIO_UART_Type structure
<> 144:ef7eb2e8f9f7 176 * @param handle Pointer to flexio_uart_dma_handle_t structure
<> 144:ef7eb2e8f9f7 177 * @param count Number of bytes received so far by the non-blocking transaction.
<> 144:ef7eb2e8f9f7 178 */
<> 144:ef7eb2e8f9f7 179 status_t FLEXIO_UART_TransferGetReceiveCountDMA(FLEXIO_UART_Type *base,
<> 144:ef7eb2e8f9f7 180 flexio_uart_dma_handle_t *handle,
<> 144:ef7eb2e8f9f7 181 size_t *count);
<> 144:ef7eb2e8f9f7 182
<> 144:ef7eb2e8f9f7 183 /*@}*/
<> 144:ef7eb2e8f9f7 184
<> 144:ef7eb2e8f9f7 185 #if defined(__cplusplus)
<> 144:ef7eb2e8f9f7 186 }
<> 144:ef7eb2e8f9f7 187 #endif
<> 144:ef7eb2e8f9f7 188
<> 144:ef7eb2e8f9f7 189 /*! @}*/
<> 144:ef7eb2e8f9f7 190
<> 144:ef7eb2e8f9f7 191 #endif /* _FSL_UART_DMA_H_ */