MODDMA GPDMA Controller New features: transfer pins to memory buffer under periodic timer control and send double buffers to DAC
Dependents: FirstTest WaveSim IO-dma-memmem DACDMAfuncgenlib ... more
CONFIG.h
00001 /* 00002 Copyright (c) 2010 Andy Kirkham 00003 00004 Permission is hereby granted, free of charge, to any person obtaining a copy 00005 of this software and associated documentation files (the "Software"), to deal 00006 in the Software without restriction, including without limitation the rights 00007 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00008 copies of the Software, and to permit persons to whom the Software is 00009 furnished to do so, subject to the following conditions: 00010 00011 The above copyright notice and this permission notice shall be included in 00012 all copies or substantial portions of the Software. 00013 00014 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00015 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00016 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00017 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00018 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00019 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00020 THE SOFTWARE. 00021 */ 00022 00023 #ifdef NOCOMPILE 00024 00025 #ifndef MODDMA_CONFIG_H 00026 #define MODDMA_CONFIG_H 00027 00028 #include "mbed.h" 00029 00030 namespace AjK { 00031 00032 // Forward reference. 00033 class MODDMA; 00034 00035 class MODDMA_Channel_CFG_t { 00036 public: 00037 00038 // ***************************************** 00039 // From GPDMA by NXP MCU SW Application Team 00040 // ***************************************** 00041 00042 uint32_t ChannelNum; //!< DMA channel number, should be in range from 0 to 7. 00043 uint32_t TransferSize; //!< Length/Size of transfer 00044 uint32_t TransferWidth; //!< Transfer width - used for TransferType is GPDMA_TRANSFERTYPE_m2m only 00045 uint32_t SrcMemAddr; //!< Physical Src Addr, used in case TransferType is chosen as MODDMA::GPDMA_TRANSFERTYPE::m2m or MODDMA::GPDMA_TRANSFERTYPE::m2p 00046 uint32_t DstMemAddr; //!< Physical Destination Address, used in case TransferType is chosen as MODDMA::GPDMA_TRANSFERTYPE::m2m or MODDMA::GPDMA_TRANSFERTYPE::p2m 00047 uint32_t TransferType; //!< Transfer Type 00048 uint32_t SrcConn; ///!< Peripheral Source Connection type, used in case TransferType is chosen as 00049 uint32_t DstConn; //!< Peripheral Destination Connection type, used in case TransferType is chosen as 00050 uint32_t DMALLI; //!< Linker List Item structure data address if there's no Linker List, set as '0' 00051 00052 // Mbed specifics. 00053 00054 MODDMA_Channel_CFG_t() { 00055 isrIntTCStat = new FunctionPointer; 00056 isrIntErrStat = new FunctionPointer; 00057 } 00058 00059 ~MODDMA_Channel_CFG_t() { 00060 delete(isrIntTCStat); 00061 delete(isrIntErrStat); 00062 } 00063 00064 class MODDMA_Channel_CFG_t * channelNum(uint32_t n) { ChannelNum = n; return this; } 00065 class MODDMA_Channel_CFG_t * transferSize(uint32_t n) { TransferSize = n; return this; } 00066 class MODDMA_Channel_CFG_t * transferWidth(uint32_t n) { TransferWidth = n; return this; } 00067 class MODDMA_Channel_CFG_t * srcMemAddr(uint32_t n) { SrcMemAddr = n; return this; } 00068 class MODDMA_Channel_CFG_t * dstMemAddr(uint32_t n) { DstMemAddr = n; return this; } 00069 class MODDMA_Channel_CFG_t * transferType(uint32_t n) { TransferType = n; return this; } 00070 class MODDMA_Channel_CFG_t * srcConn(uint32_t n) { SrcConn = n; return this; } 00071 class MODDMA_Channel_CFG_t * dstConn(uint32_t n) { DstConn = n; return this; } 00072 class MODDMA_Channel_CFG_t * dmaLLI(uint32_t n) { DMALLI = n; return this; } 00073 00074 uint32_t channelNum(void) { return ChannelNum; } 00075 00076 FunctionPointer *isrIntTCStat; 00077 FunctionPointer *isrIntErrStat; 00078 }; 00079 00080 /** 00081 * @brief GPDMA Linker List Item structure type definition 00082 */ 00083 class GPDMA_LLI_t 00084 { 00085 public: 00086 uint32_t SrcAddr; //!< Source Address 00087 uint32_t DstAddr; //!< Destination address 00088 uint32_t NextLLI; //!< Next LLI address, otherwise set to '0' 00089 uint32_t Control; //!< GPDMA Control of this LLI 00090 }; 00091 00092 }; // namespace AjK ends. 00093 00094 #endif 00095 #endif
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