dma 示例
功能概述
此应用程序启动后执行下面如下操作：
初始化 dma
启动线程，在线程中进行 m2m dma 相关操作，包括中断的普通模式，循环模式，以及非中断的阻塞模式
该线程会一直循环执行
环境要求
dma 的配置在 device tree 中已经配置完成，如需更改可以修改对应的 devcie tree
编译和烧录
示例位置：examples/peripheral/dma
编译、烧录等操作请参考：快速入门
运行结果
成功运行将输出如下日志
[I] (48) DMA DRV M2M DEMO: ------start dma example: dma demo, dma interrupt without list mode ------
[I] (70) DMA DRV M2M DEMO: src 0x200015a0
[I] (70) DMA DRV M2M DEMO: dest 0x20001470
[I] (70) DMA DRV M2M DEMO: len 96
[I] (70) DMA DRV M2M DEMO: ch 0
[I] (70) DMA DRV M2M DEMO: src_inc_mode 1
[I] (92) DMA DRV M2M DEMO: dest_inc_mode 1
[I] (92) DMA DRV M2M DEMO: int_en 1
[I] (92) DMA DRV M2M DEMO: auto_reload 0
[I] (92) DMA DRV M2M DEMO: dma_mode 0
[I] (92) DMA DRV M2M DEMO: src_warp_len 0
[I] (92) DMA DRV M2M DEMO: dest_warp_len 0
[I] (214) DMA DRV M2M DEMO: dump [[after dma]dma_m2m src data:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (216) DMA DRV M2M DEMO: dump [[after dma]dma_m2m dest buf:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (241) DMA DRV M2M DEMO: dump [[before dma]dma_m2m src data:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (285) DMA DRV M2M DEMO: dump [[before dma]dma_m2m dest buf:]
0x0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x000f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x001e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x002d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x003c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x004b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x005a 00 00 00 00 00 00 ......
[I] (329) DMA DRV M2M DEMO: ------start dma example: dma demo, dma polling without list mode ------
[I] (351) DMA DRV M2M DEMO: dump [[after dma]dma_m2m src data:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (397) DMA DRV M2M DEMO: dump [[after dma]dma_m2m dest buf:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (441) DMA DRV M2M DEMO: dma m2m xfer demo finish with success
[I] (441) DMA DRV M2M DEMO: dump [[before dma]dma_m2m src data:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a ee ee ee ee ee ee :::::::::......
0x001e ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x002d ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x003c ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x004b ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x005a ee ee ee ee ee ee ......
[I] (486) DMA DRV M2M DEMO: dump [[before dma]dma_m2m dest buf:]
0x0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x000f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x001e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x002d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x003c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x004b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x005a 00 00 00 00 00 00 ......
[I] (553) DMA DRV M2M DEMO: dump [[before dma]dma_m2m dest buf ref:]
0x0000 ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x000f ee ee ee ee ee ee ee ee ee 00 00 00 00 00 00 ...............
0x001e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x002d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x003c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x004b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x005a 00 00 00 00 00 00 ......
[I] (598) DMA DRV M2M DEMO: ------start dma example: dma demo, dma interrupt with warp mode ------
[I] (698) DMA DRV M2M DEMO: dump [[after dma]dma_m2m src data:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a ee ee ee ee ee ee :::::::::......
0x001e ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x002d ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x003c ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x004b ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x005a ee ee ee ee ee ee ......
[I] (700) DMA DRV M2M DEMO: dump [[after dma]dma_m2m dest buf:]
0x0000 ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ...............
0x000f ee ee ee ee ee ee ee ee ee 00 00 00 00 00 00 ...............
0x001e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x002d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x003c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x004b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x005a 00 00 00 00 00 00 ......
[I] (725) DMA DRV M2M DEMO: dump [[before dma]dma_m2m src data:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (769) DMA DRV M2M DEMO: dump [[before dma]dma_m2m dest buf:]
0x0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x000f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x001e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x002d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x003c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x004b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
0x005a 00 00 00 00 00 00 ......
[I] (813) DMA DRV M2M DEMO: ------start dma example: dma demo, dma interrupt without list mode transfer api------
[I] (935) DMA DRV M2M DEMO: dump [[after dma]dma_m2m src data:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (937) DMA DRV M2M DEMO: dump [[after dma]dma_m2m dest buf:]
0x0000 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x000f 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x001e 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x002d 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x003c 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x004b 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a 3a :::::::::::::::
0x005a 3a 3a 3a 3a 3a 3a ::::::
[I] (962) DMA DRV M2M DEMO: dma demo done! count 0