430 lines
21 KiB
C
430 lines
21 KiB
C
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/**********************************************************************
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* $Id$ lpc17xx_gpdma.h 2010-05-21
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*//**
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* @file lpc17xx_gpdma.h
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* @brief Contains all macro definitions and function prototypes
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* support for GPDMA firmware library on LPC17xx
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* @version 2.0
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* @date 21. May. 2010
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* @author NXP MCU SW Application Team
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*
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* Copyright(C) 2010, NXP Semiconductor
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* All rights reserved.
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*
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***********************************************************************
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* products. This software is supplied "AS IS" without any warranties.
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* NXP Semiconductors assumes no responsibility or liability for the
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* use of the software, conveys no license or title under any patent,
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* copyright, or mask work right to the product. NXP Semiconductors
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* reserves the right to make changes in the software without
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* notification. NXP Semiconductors also make no representation or
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* warranty that such application will be suitable for the specified
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* use without further testing or modification.
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors'
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* relevant copyright in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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**********************************************************************/
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/* Peripheral group ----------------------------------------------------------- */
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/** @defgroup GPDMA GPDMA (General Purpose Direct Memory Access)
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* @ingroup LPC1700CMSIS_FwLib_Drivers
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* @{
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*/
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#ifndef LPC17XX_GPDMA_H_
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#define LPC17XX_GPDMA_H_
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/* Includes ------------------------------------------------------------------- */
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#include "LPC17xx.h"
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#include "lpc_types.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Public Macros -------------------------------------------------------------- */
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/** @defgroup GPDMA_Public_Macros GPDMA Public Macros
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* @{
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*/
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/** DMA Connection number definitions */
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#define GPDMA_CONN_SSP0_Tx ((0UL)) /**< SSP0 Tx */
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#define GPDMA_CONN_SSP0_Rx ((1UL)) /**< SSP0 Rx */
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#define GPDMA_CONN_SSP1_Tx ((2UL)) /**< SSP1 Tx */
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#define GPDMA_CONN_SSP1_Rx ((3UL)) /**< SSP1 Rx */
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#define GPDMA_CONN_ADC ((4UL)) /**< ADC */
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#define GPDMA_CONN_I2S_Channel_0 ((5UL)) /**< I2S channel 0 */
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#define GPDMA_CONN_I2S_Channel_1 ((6UL)) /**< I2S channel 1 */
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#define GPDMA_CONN_DAC ((7UL)) /**< DAC */
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#define GPDMA_CONN_UART0_Tx ((8UL)) /**< UART0 Tx */
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#define GPDMA_CONN_UART0_Rx ((9UL)) /**< UART0 Rx */
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#define GPDMA_CONN_UART1_Tx ((10UL)) /**< UART1 Tx */
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#define GPDMA_CONN_UART1_Rx ((11UL)) /**< UART1 Rx */
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#define GPDMA_CONN_UART2_Tx ((12UL)) /**< UART2 Tx */
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#define GPDMA_CONN_UART2_Rx ((13UL)) /**< UART2 Rx */
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#define GPDMA_CONN_UART3_Tx ((14UL)) /**< UART3 Tx */
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#define GPDMA_CONN_UART3_Rx ((15UL)) /**< UART3 Rx */
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#define GPDMA_CONN_MAT0_0 ((16UL)) /**< MAT0.0 */
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#define GPDMA_CONN_MAT0_1 ((17UL)) /**< MAT0.1 */
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#define GPDMA_CONN_MAT1_0 ((18UL)) /**< MAT1.0 */
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#define GPDMA_CONN_MAT1_1 ((19UL)) /**< MAT1.1 */
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#define GPDMA_CONN_MAT2_0 ((20UL)) /**< MAT2.0 */
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#define GPDMA_CONN_MAT2_1 ((21UL)) /**< MAT2.1 */
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#define GPDMA_CONN_MAT3_0 ((22UL)) /**< MAT3.0 */
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#define GPDMA_CONN_MAT3_1 ((23UL)) /**< MAT3.1 */
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/** GPDMA Transfer type definitions */
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#define GPDMA_TRANSFERTYPE_M2M ((0UL)) /**< Memory to memory - DMA control */
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#define GPDMA_TRANSFERTYPE_M2P ((1UL)) /**< Memory to peripheral - DMA control */
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#define GPDMA_TRANSFERTYPE_P2M ((2UL)) /**< Peripheral to memory - DMA control */
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#define GPDMA_TRANSFERTYPE_P2P ((3UL)) /**< Source peripheral to destination peripheral - DMA control */
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/** Burst size in Source and Destination definitions */
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#define GPDMA_BSIZE_1 ((0UL)) /**< Burst size = 1 */
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#define GPDMA_BSIZE_4 ((1UL)) /**< Burst size = 4 */
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#define GPDMA_BSIZE_8 ((2UL)) /**< Burst size = 8 */
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#define GPDMA_BSIZE_16 ((3UL)) /**< Burst size = 16 */
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#define GPDMA_BSIZE_32 ((4UL)) /**< Burst size = 32 */
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#define GPDMA_BSIZE_64 ((5UL)) /**< Burst size = 64 */
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#define GPDMA_BSIZE_128 ((6UL)) /**< Burst size = 128 */
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#define GPDMA_BSIZE_256 ((7UL)) /**< Burst size = 256 */
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/** Width in Source transfer width and Destination transfer width definitions */
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#define GPDMA_WIDTH_BYTE ((0UL)) /**< Width = 1 byte */
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#define GPDMA_WIDTH_HALFWORD ((1UL)) /**< Width = 2 bytes */
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#define GPDMA_WIDTH_WORD ((2UL)) /**< Width = 4 bytes */
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/** DMA Request Select Mode definitions */
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#define GPDMA_REQSEL_UART ((0UL)) /**< UART TX/RX is selected */
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#define GPDMA_REQSEL_TIMER ((1UL)) /**< Timer match is selected */
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/**
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* @}
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*/
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/* Private Macros ------------------------------------------------------------- */
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/** @defgroup GPDMA_Private_Macros GPDMA Private Macros
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* @{
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*/
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/* --------------------- BIT DEFINITIONS -------------------------------------- */
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/*********************************************************************//**
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* Macro defines for DMA Interrupt Status register
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**********************************************************************/
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#define GPDMA_DMACIntStat_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACIntStat_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Interrupt Terminal Count Request Status register
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**********************************************************************/
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#define GPDMA_DMACIntTCStat_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACIntTCStat_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Interrupt Terminal Count Request Clear register
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**********************************************************************/
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#define GPDMA_DMACIntTCClear_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACIntTCClear_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Interrupt Error Status register
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**********************************************************************/
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#define GPDMA_DMACIntErrStat_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACIntErrStat_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Interrupt Error Clear register
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**********************************************************************/
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#define GPDMA_DMACIntErrClr_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACIntErrClr_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Raw Interrupt Terminal Count Status register
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**********************************************************************/
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#define GPDMA_DMACRawIntTCStat_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACRawIntTCStat_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Raw Error Interrupt Status register
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**********************************************************************/
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#define GPDMA_DMACRawIntErrStat_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACRawIntErrStat_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Enabled Channel register
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**********************************************************************/
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#define GPDMA_DMACEnbldChns_Ch(n) (((1UL<<n)&0xFF))
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#define GPDMA_DMACEnbldChns_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Software Burst Request register
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**********************************************************************/
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#define GPDMA_DMACSoftBReq_Src(n) (((1UL<<n)&0xFFFF))
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#define GPDMA_DMACSoftBReq_BITMASK ((0xFFFF))
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/*********************************************************************//**
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* Macro defines for DMA Software Single Request register
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**********************************************************************/
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#define GPDMA_DMACSoftSReq_Src(n) (((1UL<<n)&0xFFFF))
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#define GPDMA_DMACSoftSReq_BITMASK ((0xFFFF))
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/*********************************************************************//**
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* Macro defines for DMA Software Last Burst Request register
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**********************************************************************/
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#define GPDMA_DMACSoftLBReq_Src(n) (((1UL<<n)&0xFFFF))
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#define GPDMA_DMACSoftLBReq_BITMASK ((0xFFFF))
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/*********************************************************************//**
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* Macro defines for DMA Software Last Single Request register
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**********************************************************************/
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#define GPDMA_DMACSoftLSReq_Src(n) (((1UL<<n)&0xFFFF))
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#define GPDMA_DMACSoftLSReq_BITMASK ((0xFFFF))
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/*********************************************************************//**
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* Macro defines for DMA Configuration register
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**********************************************************************/
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#define GPDMA_DMACConfig_E ((0x01)) /**< DMA Controller enable*/
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#define GPDMA_DMACConfig_M ((0x02)) /**< AHB Master endianness configuration*/
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#define GPDMA_DMACConfig_BITMASK ((0x03))
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/*********************************************************************//**
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* Macro defines for DMA Synchronization register
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**********************************************************************/
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#define GPDMA_DMACSync_Src(n) (((1UL<<n)&0xFFFF))
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#define GPDMA_DMACSync_BITMASK ((0xFFFF))
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/*********************************************************************//**
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* Macro defines for DMA Request Select register
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**********************************************************************/
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#define GPDMA_DMAReqSel_Input(n) (((1UL<<(n-8))&0xFF))
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#define GPDMA_DMAReqSel_BITMASK ((0xFF))
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/*********************************************************************//**
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* Macro defines for DMA Channel Linked List Item registers
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**********************************************************************/
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/** DMA Channel Linked List Item registers bit mask*/
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#define GPDMA_DMACCxLLI_BITMASK ((0xFFFFFFFC))
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/*********************************************************************//**
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* Macro defines for DMA channel control registers
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**********************************************************************/
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#define GPDMA_DMACCxControl_TransferSize(n) (((n&0xFFF)<<0)) /**< Transfer size*/
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#define GPDMA_DMACCxControl_SBSize(n) (((n&0x07)<<12)) /**< Source burst size*/
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#define GPDMA_DMACCxControl_DBSize(n) (((n&0x07)<<15)) /**< Destination burst size*/
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#define GPDMA_DMACCxControl_SWidth(n) (((n&0x07)<<18)) /**< Source transfer width*/
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#define GPDMA_DMACCxControl_DWidth(n) (((n&0x07)<<21)) /**< Destination transfer width*/
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#define GPDMA_DMACCxControl_SI ((1UL<<26)) /**< Source increment*/
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#define GPDMA_DMACCxControl_DI ((1UL<<27)) /**< Destination increment*/
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#define GPDMA_DMACCxControl_Prot1 ((1UL<<28)) /**< Indicates that the access is in user mode or privileged mode*/
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#define GPDMA_DMACCxControl_Prot2 ((1UL<<29)) /**< Indicates that the access is bufferable or not bufferable*/
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#define GPDMA_DMACCxControl_Prot3 ((1UL<<30)) /**< Indicates that the access is cacheable or not cacheable*/
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#define GPDMA_DMACCxControl_I ((1UL<<31)) /**< Terminal count interrupt enable bit */
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/** DMA channel control registers bit mask */
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#define GPDMA_DMACCxControl_BITMASK ((0xFCFFFFFF))
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/*********************************************************************//**
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* Macro defines for DMA Channel Configuration registers
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**********************************************************************/
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#define GPDMA_DMACCxConfig_E ((1UL<<0)) /**< DMA control enable*/
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#define GPDMA_DMACCxConfig_SrcPeripheral(n) (((n&0x1F)<<1)) /**< Source peripheral*/
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#define GPDMA_DMACCxConfig_DestPeripheral(n) (((n&0x1F)<<6)) /**< Destination peripheral*/
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#define GPDMA_DMACCxConfig_TransferType(n) (((n&0x7)<<11)) /**< This value indicates the type of transfer*/
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#define GPDMA_DMACCxConfig_IE ((1UL<<14)) /**< Interrupt error mask*/
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#define GPDMA_DMACCxConfig_ITC ((1UL<<15)) /**< Terminal count interrupt mask*/
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#define GPDMA_DMACCxConfig_L ((1UL<<16)) /**< Lock*/
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#define GPDMA_DMACCxConfig_A ((1UL<<17)) /**< Active*/
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#define GPDMA_DMACCxConfig_H ((1UL<<18)) /**< Halt*/
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/** DMA Channel Configuration registers bit mask */
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#define GPDMA_DMACCxConfig_BITMASK ((0x7FFFF))
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/* ---------------- CHECK PARAMETER DEFINITIONS ---------------------------- */
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/* Macros check GPDMA channel */
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#define PARAM_GPDMA_CHANNEL(n) (n<=7)
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/* Macros check GPDMA connection type */
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#define PARAM_GPDMA_CONN(n) ((n==GPDMA_CONN_SSP0_Tx) || (n==GPDMA_CONN_SSP0_Rx) \
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|| (n==GPDMA_CONN_SSP1_Tx) || (n==GPDMA_CONN_SSP1_Rx) \
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|| (n==GPDMA_CONN_ADC) || (n==GPDMA_CONN_I2S_Channel_0) \
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|| (n==GPDMA_CONN_I2S_Channel_1) || (n==GPDMA_CONN_DAC) \
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|| (n==GPDMA_CONN_UART0_Tx) || (n==GPDMA_CONN_UART0_Rx) \
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|| (n==GPDMA_CONN_UART1_Tx) || (n==GPDMA_CONN_UART1_Rx) \
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|| (n==GPDMA_CONN_UART2_Tx) || (n==GPDMA_CONN_UART2_Rx) \
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|| (n==GPDMA_CONN_UART3_Tx) || (n==GPDMA_CONN_UART3_Rx) \
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|| (n==GPDMA_CONN_MAT0_0) || (n==GPDMA_CONN_MAT0_1) \
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|| (n==GPDMA_CONN_MAT1_0) || (n==GPDMA_CONN_MAT1_1) \
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|| (n==GPDMA_CONN_MAT2_0) || (n==GPDMA_CONN_MAT2_1) \
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|| (n==GPDMA_CONN_MAT3_0) || (n==GPDMA_CONN_MAT3_1))
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/* Macros check GPDMA burst size type */
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#define PARAM_GPDMA_BSIZE(n) ((n==GPDMA_BSIZE_1) || (n==GPDMA_BSIZE_4) \
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|| (n==GPDMA_BSIZE_8) || (n==GPDMA_BSIZE_16) \
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|| (n==GPDMA_BSIZE_32) || (n==GPDMA_BSIZE_64) \
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|| (n==GPDMA_BSIZE_128) || (n==GPDMA_BSIZE_256))
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/* Macros check GPDMA width type */
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#define PARAM_GPDMA_WIDTH(n) ((n==GPDMA_WIDTH_BYTE) || (n==GPDMA_WIDTH_HALFWORD) \
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|| (n==GPDMA_WIDTH_WORD))
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/* Macros check GPDMA status type */
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#define PARAM_GPDMA_STAT(n) ((n==GPDMA_STAT_INT) || (n==GPDMA_STAT_INTTC) \
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|| (n==GPDMA_STAT_INTERR) || (n==GPDMA_STAT_RAWINTTC) \
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|| (n==GPDMA_STAT_RAWINTERR) || (n==GPDMA_STAT_ENABLED_CH))
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/* Macros check GPDMA transfer type */
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#define PARAM_GPDMA_TRANSFERTYPE(n) ((n==GPDMA_TRANSFERTYPE_M2M)||(n==GPDMA_TRANSFERTYPE_M2P) \
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||(n==GPDMA_TRANSFERTYPE_P2M)||(n==GPDMA_TRANSFERTYPE_P2P))
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/* Macros check GPDMA state clear type */
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#define PARAM_GPDMA_STATCLR(n) ((n==GPDMA_STATCLR_INTTC) || (n==GPDMA_STATCLR_INTERR))
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/* Macros check GPDMA request select type */
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#define PARAM_GPDMA_REQSEL(n) ((n==GPDMA_REQSEL_UART) || (n==GPDMA_REQSEL_TIMER))
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/**
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* @}
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*/
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/* Public Types --------------------------------------------------------------- */
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/** @defgroup GPDMA_Public_Types GPDMA Public Types
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* @{
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*/
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/**
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* @brief GPDMA Status enumeration
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*/
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typedef enum {
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GPDMA_STAT_INT, /**< GPDMA Interrupt Status */
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GPDMA_STAT_INTTC, /**< GPDMA Interrupt Terminal Count Request Status */
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GPDMA_STAT_INTERR, /**< GPDMA Interrupt Error Status */
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GPDMA_STAT_RAWINTTC, /**< GPDMA Raw Interrupt Terminal Count Status */
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GPDMA_STAT_RAWINTERR, /**< GPDMA Raw Error Interrupt Status */
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GPDMA_STAT_ENABLED_CH /**< GPDMA Enabled Channel Status */
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} GPDMA_Status_Type;
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/**
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* @brief GPDMA Interrupt clear status enumeration
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*/
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typedef enum{
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GPDMA_STATCLR_INTTC, /**< GPDMA Interrupt Terminal Count Request Clear */
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GPDMA_STATCLR_INTERR /**< GPDMA Interrupt Error Clear */
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}GPDMA_StateClear_Type;
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/**
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* @brief GPDMA Channel configuration structure type definition
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*/
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typedef struct {
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uint32_t ChannelNum; /**< DMA channel number, should be in
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range from 0 to 7.
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Note: DMA channel 0 has the highest priority
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and DMA channel 7 the lowest priority.
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*/
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uint32_t TransferSize; /**< Length/Size of transfer */
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uint32_t TransferWidth; /**< Transfer width - used for TransferType is GPDMA_TRANSFERTYPE_M2M only */
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uint32_t SrcMemAddr; /**< Physical Source Address, used in case TransferType is chosen as
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GPDMA_TRANSFERTYPE_M2M or GPDMA_TRANSFERTYPE_M2P */
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uint32_t DstMemAddr; /**< Physical Destination Address, used in case TransferType is chosen as
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GPDMA_TRANSFERTYPE_M2M or GPDMA_TRANSFERTYPE_P2M */
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uint32_t TransferType; /**< Transfer Type, should be one of the following:
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- GPDMA_TRANSFERTYPE_M2M: Memory to memory - DMA control
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- GPDMA_TRANSFERTYPE_M2P: Memory to peripheral - DMA control
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- GPDMA_TRANSFERTYPE_P2M: Peripheral to memory - DMA control
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- GPDMA_TRANSFERTYPE_P2P: Source peripheral to destination peripheral - DMA control
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*/
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uint32_t SrcConn; /**< Peripheral Source Connection type, used in case TransferType is chosen as
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GPDMA_TRANSFERTYPE_P2M or GPDMA_TRANSFERTYPE_P2P, should be one of
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following:
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- GPDMA_CONN_SSP0_Tx: SSP0, Tx
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- GPDMA_CONN_SSP0_Rx: SSP0, Rx
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- GPDMA_CONN_SSP1_Tx: SSP1, Tx
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- GPDMA_CONN_SSP1_Rx: SSP1, Rx
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- GPDMA_CONN_ADC: ADC
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- GPDMA_CONN_I2S_Channel_0: I2S Channel 0
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- GPDMA_CONN_I2S_Channel_1: I2S Channel 1
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- GPDMA_CONN_DAC: DAC
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- GPDMA_CONN_UART0_Tx_MAT0_0: UART0 Tx / MAT0.0
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- GPDMA_CONN_UART0_Rx_MAT0_1: UART0 Rx / MAT0.1
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- GPDMA_CONN_UART1_Tx_MAT1_0: UART1 Tx / MAT1.0
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- GPDMA_CONN_UART1_Rx_MAT1_1: UART1 Rx / MAT1.1
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- GPDMA_CONN_UART2_Tx_MAT2_0: UART2 Tx / MAT2.0
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- GPDMA_CONN_UART2_Rx_MAT2_1: UART2 Rx / MAT2.1
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- GPDMA_CONN_UART3_Tx_MAT3_0: UART3 Tx / MAT3.0
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- GPDMA_CONN_UART3_Rx_MAT3_1: UART3 Rx / MAT3.1
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*/
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uint32_t DstConn; /**< Peripheral Destination Connection type, used in case TransferType is chosen as
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GPDMA_TRANSFERTYPE_M2P or GPDMA_TRANSFERTYPE_P2P, should be one of
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following:
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- GPDMA_CONN_SSP0_Tx: SSP0, Tx
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- GPDMA_CONN_SSP0_Rx: SSP0, Rx
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- GPDMA_CONN_SSP1_Tx: SSP1, Tx
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- GPDMA_CONN_SSP1_Rx: SSP1, Rx
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- GPDMA_CONN_ADC: ADC
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- GPDMA_CONN_I2S_Channel_0: I2S Channel 0
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- GPDMA_CONN_I2S_Channel_1: I2S Channel 1
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- GPDMA_CONN_DAC: DAC
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- GPDMA_CONN_UART0_Tx_MAT0_0: UART0 Tx / MAT0.0
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- GPDMA_CONN_UART0_Rx_MAT0_1: UART0 Rx / MAT0.1
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- GPDMA_CONN_UART1_Tx_MAT1_0: UART1 Tx / MAT1.0
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- GPDMA_CONN_UART1_Rx_MAT1_1: UART1 Rx / MAT1.1
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- GPDMA_CONN_UART2_Tx_MAT2_0: UART2 Tx / MAT2.0
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- GPDMA_CONN_UART2_Rx_MAT2_1: UART2 Rx / MAT2.1
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- GPDMA_CONN_UART3_Tx_MAT3_0: UART3 Tx / MAT3.0
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- GPDMA_CONN_UART3_Rx_MAT3_1: UART3 Rx / MAT3.1
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||
|
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*/
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|
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uint32_t DMALLI; /**< Linker List Item structure data address
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if there's no Linker List, set as '0'
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*/
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} GPDMA_Channel_CFG_Type;
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|
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/**
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* @brief GPDMA Linker List Item structure type definition
|
||
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*/
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typedef struct {
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||
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uint32_t SrcAddr; /**< Source Address */
|
||
|
|
uint32_t DstAddr; /**< Destination address */
|
||
|
|
uint32_t NextLLI; /**< Next LLI address, otherwise set to '0' */
|
||
|
|
uint32_t Control; /**< GPDMA Control of this LLI */
|
||
|
|
} GPDMA_LLI_Type;
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||
|
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|
||
|
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|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Public Functions ----------------------------------------------------------- */
|
||
|
|
/** @defgroup GPDMA_Public_Functions GPDMA Public Functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
void GPDMA_Init(void);
|
||
|
|
//Status GPDMA_Setup(GPDMA_Channel_CFG_Type *GPDMAChannelConfig, fnGPDMACbs_Type *pfnGPDMACbs);
|
||
|
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Status GPDMA_Setup(GPDMA_Channel_CFG_Type *GPDMAChannelConfig);
|
||
|
|
IntStatus GPDMA_IntGetStatus(GPDMA_Status_Type type, uint8_t channel);
|
||
|
|
void GPDMA_ClearIntPending(GPDMA_StateClear_Type type, uint8_t channel);
|
||
|
|
void GPDMA_ChannelCmd(uint8_t channelNum, FunctionalState NewState);
|
||
|
|
//void GPDMA_IntHandler(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* LPC17XX_GPDMA_H_ */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* --------------------------------- End Of File ------------------------------ */
|