116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
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/*
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* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
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*
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* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
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* the the People's Republic of China and other countries.
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* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
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*
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* DISCLAIMER
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* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
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* IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
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* IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
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* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
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* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
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* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
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* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
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* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
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* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <getopt.h>
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#include <log.h>
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#include <rtthread.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <hal_timer.h>
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#include <hal_mem.h>
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#include <sunxi_hal_dma.h>
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#include <sunxi_drv_dma.h>
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static int cmd_dma(int argc, const char **argv)
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{
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int i;
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/* struct sunxi_dma_chan *chan = NULL; */
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hal_dma_chan_status_t ret;
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struct sunxi_dma_chan *chan = NULL;
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char *buf1 = NULL,*buf2 = NULL;
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struct dma_slave_config config = {0};
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uint32_t size = 0;
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printf("run in dma test\n");
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buf1 = hal_malloc(1024);
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buf2 = hal_malloc(1024);
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memset(buf1, 0, 1024);
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memset(buf2, 0, 1024);
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for (i = 0;i < 1023; i++)
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buf1[i] = 'a';
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buf1[1023] = '\n';
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//sunxi_dma_init(); //init dma,should init once
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//request dma chan
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/* chan = (struct sunxi_dma_chan *)sunxi_dma_chan_request(); */
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ret = hal_dma_chan_request(&chan);
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if (chan == HAL_DMA_CHAN_STATUS_BUSY)
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{
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printf("DMA busy\n");
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return -1;
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}
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config.direction = DMA_MEM_TO_MEM;
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/* config.dst_addr = (uint32_t)__va_to_pa(buf2); */
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/* config.src_addr = (uint32_t)__va_to_pa(buf1); */
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config.dst_addr_width = DMA_SLAVE_BUSWIDTH_8_BYTES;
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config.src_addr_width = DMA_SLAVE_BUSWIDTH_8_BYTES;
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config.dst_maxburst = DMA_SLAVE_BURST_16;
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config.src_maxburst = DMA_SLAVE_BURST_16;
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config.slave_id = sunxi_slave_id(DRQDST_SDRAM, DRQSRC_SDRAM);
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hal_dma_slave_config(chan, &config);
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hal_dma_prep_memcpy(chan, (uint32_t)buf2, (uint32_t)buf1,(uint32_t)1023);
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printf("dma test start\n");
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hal_dma_start(chan);
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//when to stop?
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while (hal_dma_tx_status(chan, &size) != 0) {
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msleep(1000);
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if ( ++i==3 )
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{
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printf("DMA timeout\n");
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break;
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}
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}
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printf("dma test stop\n");
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hal_dma_stop(chan);
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hal_dma_chan_free(chan);
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printf("send buf1:%s\n",buf1);
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printf("receive buf2:%s\n",buf2);
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return 0;
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}
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FINSH_FUNCTION_EXPORT_ALIAS(cmd_dma, __cmd_dma, rtthread dma test code);
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