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

Revision:
0:c409efd8df78
Child:
8:cb4d323ce6fd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CONFIG.h	Tue Nov 23 14:50:39 2010 +0000
@@ -0,0 +1,96 @@
+/*
+    Copyright (c) 2010 Andy Kirkham
+ 
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+ 
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+ 
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+*/
+
+#ifdef NOCOMPILE
+
+#ifndef MODDMA_CONFIG_H
+#define MODDMA_CONFIG_H
+
+#include "mbed.h"
+
+namespace AjK {
+
+// Forward reference.
+class MODDMA;
+
+class  MODDMA_Channel_CFG_t {
+public:
+
+    // *****************************************
+    // From GPDMA by NXP MCU SW Application Team
+    // *****************************************
+    
+    uint32_t ChannelNum;        //!< DMA channel number, should be in range from 0 to 7. 
+    uint32_t TransferSize;      //!< Length/Size of transfer 
+    uint32_t TransferWidth;     //!< Transfer width - used for TransferType is GPDMA_TRANSFERTYPE_m2m only 
+    uint32_t SrcMemAddr;        //!< Physical Src Addr, used in case TransferType is chosen as MODDMA::GPDMA_TRANSFERTYPE::m2m or MODDMA::GPDMA_TRANSFERTYPE::m2p 
+    uint32_t DstMemAddr;        //!< Physical Destination Address, used in case TransferType is chosen as MODDMA::GPDMA_TRANSFERTYPE::m2m or MODDMA::GPDMA_TRANSFERTYPE::p2m 
+    uint32_t TransferType;      //!< Transfer Type
+    uint32_t SrcConn;           ///!< Peripheral Source Connection type, used in case TransferType is chosen as
+    uint32_t DstConn;           //!< Peripheral Destination Connection type, used in case TransferType is chosen as
+    uint32_t DMALLI;            //!< Linker List Item structure data address if there's no Linker List, set as '0'
+    
+    // Mbed specifics.
+    
+    MODDMA_Channel_CFG_t() {
+        isrIntTCStat  = new FunctionPointer;
+        isrIntErrStat = new FunctionPointer;
+    }
+    
+    ~MODDMA_Channel_CFG_t() {
+        delete(isrIntTCStat);
+        delete(isrIntErrStat);
+    }
+        
+    class MODDMA_Channel_CFG_t * channelNum(uint32_t n)    { ChannelNum = n;    return this; }
+    class MODDMA_Channel_CFG_t * transferSize(uint32_t n)  { TransferSize = n;  return this; }
+    class MODDMA_Channel_CFG_t * transferWidth(uint32_t n) { TransferWidth = n; return this; }
+    class MODDMA_Channel_CFG_t * srcMemAddr(uint32_t n)    { SrcMemAddr = n;    return this; }
+    class MODDMA_Channel_CFG_t * dstMemAddr(uint32_t n)    { DstMemAddr = n;    return this; }
+    class MODDMA_Channel_CFG_t * transferType(uint32_t n)  { TransferType = n;  return this; }
+    class MODDMA_Channel_CFG_t * srcConn(uint32_t n)       { SrcConn = n;       return this; }
+    class MODDMA_Channel_CFG_t * dstConn(uint32_t n)       { DstConn = n;       return this; }
+    class MODDMA_Channel_CFG_t * dmaLLI(uint32_t n)        { DMALLI = n;        return this; }
+    
+    uint32_t channelNum(void) { return ChannelNum; }
+    
+    FunctionPointer *isrIntTCStat;                        
+    FunctionPointer *isrIntErrStat;                        
+};
+
+/**
+ * @brief GPDMA Linker List Item structure type definition
+ */
+ /*
+typedef struct {
+    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_t;
+*/
+
+
+}; // namespace AjK ends.
+
+#endif 
+#endif