add examples

RTL00_SDKV35a/example_sources/gdma/src/main.c

@@ -0,0 +1,158 @@
+/*
+ *  Routines to access hardware
+ *
+ *  Copyright (c) 2015 Realtek Semiconductor Corp.
+ *
+ *  This module is a confidential and proprietary property of RealTek and
+ *  possession or use of this module requires written permission of RealTek.
+ */
+
+#include "device.h"
+#include "diag.h"
+#include "main.h"
+
+#include "dma_api.h"
+
+#if 1
+//Multi-Block Example Demo
+#define DMA_CPY_LEN     176
+#define DMA_BLOCK_LENGTH 22
+#define DMA_SRC_OFFSET  0
+#define DMA_DST_OFFSET  0
+#define BLOCK_NUM 8
+
+gdma_t gdma;
+uint8_t TestBuf1[DMA_CPY_LEN];
+uint8_t TestBuf2[DMA_CPY_LEN];
+volatile uint8_t dma_done;
+
+struct BlockInfo{
+    u32 SrcAddr;
+    u32 DstAddr;
+    u32 BlockLength;
+    u32 SrcOffset;
+    u32 DstOffset;
+};
+
+void dma_done_handler(uint32_t id) {
+    DiagPrintf("DMA Copy Done!!\r\n");
+    dma_done = 1;
+}
+
+
+int main(void) {
+    int i = 0,err = 0;
+    struct BlockInfo block_info[BLOCK_NUM];
+    //Set how many blocks we want to transfer (16 at most)
+    gdma.gdma_obj.BlockNum = BLOCK_NUM;
+    //Initialize DMA multi-block mode setting
+    dma_memcpy_aggr_init(&gdma, dma_done_handler, (uint32_t) &gdma);
+
+    _memset(TestBuf1, 0,DMA_CPY_LEN);
+
+    for(i = 0; i < DMA_CPY_LEN; i++){
+        TestBuf1[i] = DMA_CPY_LEN - 1 - i;
+    }
+
+    _memset(TestBuf2, 0,DMA_CPY_LEN);
+    dma_done = 0;
+
+    for(i = 0; i < BLOCK_NUM; i++){
+        //User can decide the relation between SrcOffset/DstOffset,SrcAddr/DstAddr and Block length
+        // For example :
+        //block_info[i].SrcOffset = 0;
+        //block_info[i].DstOffset = 4;   
+        //block_info[i].SrcAddr = &TestBuf1[ i * DMA_BLOCK_LENGTH] ;//SRC
+        //block_info[i].DstAddr = &TestBuf2[0]  + (DMA_BLOCK_LENGTH + block_info[i].DstOffset )*i;//Dest
+        //block_info[i].BlockLength = DMA_BLOCK_LENGTH;
+          
+        block_info[i].SrcOffset = 0;
+        block_info[i].DstOffset = 0;   
+        block_info[i].SrcAddr = (uint32_t) &TestBuf1[ i * DMA_BLOCK_LENGTH] ;//SRC
+        block_info[i].DstAddr = (uint32_t) &TestBuf2[ i * DMA_BLOCK_LENGTH] ;//Dest
+        block_info[i].BlockLength = DMA_BLOCK_LENGTH;
+        //DiagPrintf("block_info[%d].SrcAddr = %x\r\n",i, block_info[i].SrcAddr);
+        //DiagPrintf("block_info[%d].DstAddr = %x\r\n",i, block_info[i].DstAddr);
+        //DiagPrintf("block_info[%d].BlockLength = %x\r\n",i, block_info[i].BlockLength);
+        //DiagPrintf("block_info[%d].SrcOffset = %x\r\n",i, block_info[i].SrcOffset);
+        //DiagPrintf("block_info[%d].DstOffset = %x\r\n",i, block_info[i].DstOffset);
+    }
+
+
+    dma_memcpy_aggr(&gdma, (PHAL_GDMA_BLOCK) &block_info);
+
+    while (dma_done == 0);
+
+    err = 0;
+    for (i=0;i<DMA_CPY_LEN;i++) {
+        //DiagPrintf("dma_done = %x\r\n", dma_done);
+        //DiagPrintf("TestBuf2[%d] = %x\r\n",i, TestBuf2[i]);
+        if (TestBuf2[i+DMA_DST_OFFSET] != TestBuf1[i+DMA_SRC_OFFSET]) {
+            DiagPrintf("DMA Copy Memory Compare Err, %d %x %x\r\n", i, TestBuf1[i+DMA_SRC_OFFSET], TestBuf2[i+DMA_DST_OFFSET]);
+            DiagPrintf("DMA done =  %x\r\n", dma_done);
+            err = 1;
+            break;
+        }
+    }
+
+    if (!err) {
+        DiagPrintf("DMA Copy Memory Compare OK!! %x\r\n", TestBuf2[DMA_DST_OFFSET+DMA_CPY_LEN - 1]);
+    }
+    
+    HalGdmaMemCpyDeInit(&(gdma.gdma_obj));
+
+    while(1);
+    return 0;
+}
+#else
+//Single-Block Example Demo
+
+#define DMA_CPY_LEN     256
+#define DMA_SRC_OFFSET  0
+#define DMA_DST_OFFSET  0
+
+gdma_t gdma;
+uint8_t TestBuf1[512];
+uint8_t TestBuf2[512];
+volatile uint8_t dma_done;
+
+
+void dma_done_handler(uint32_t id) {
+    DiagPrintf("DMA Copy Done!!\r\n");
+    dma_done = 1;
+}
+
+
+int main(void) {
+    int i;
+    int err;
+
+    dma_memcpy_init(&gdma, dma_done_handler, (uint32_t)&gdma);
+    for (i=0;i< 512;i++) {
+        TestBuf1[i] = i;
+    }
+    _memset(TestBuf2, 0xff, 512);
+
+    dma_done = 0;
+    dma_memcpy(&gdma, TestBuf2+DMA_DST_OFFSET, TestBuf1+DMA_SRC_OFFSET, DMA_CPY_LEN);
+
+    while (dma_done == 0);
+
+    err = 0;
+    for (i=0;i<DMA_CPY_LEN;i++) {
+        if (TestBuf2[i+DMA_DST_OFFSET] != TestBuf1[i+DMA_SRC_OFFSET]) {
+            DiagPrintf("DMA Copy Memory Compare Err, %d %x %x\r\n", i, TestBuf1[i+DMA_SRC_OFFSET], TestBuf2[i+DMA_DST_OFFSET]);
+            err = 1;
+            break;
+        }
+    }
+    
+    if (!err) {
+        DiagPrintf("DMA Copy Memory Compare OK!! %x\r\n", TestBuf2[DMA_DST_OFFSET+DMA_CPY_LEN]);
+    }
+    HalGdmaMemCpyDeInit(&(gdma.gdma_obj));
+   
+    while(1);
+    return 0;
+}
+#endif