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大家好：
我想使用AM335x 做一个全速USB设备。看数据手册，AM335x支持全速和高速USB，但是在StartWare里面的程序都是高速的USB代码，请问，我应该怎么将USB设置成全速模式？
18Mbyte/s左右。
USB MSC (MUSB) Host mode EXT2 File System Performance
USB-MSC MUSB Host-DMA-Write Performance values Buffer Size (in Bytes) Transfer Rate (in MBytes/sec) CPU Load (in %)
102400 24.41 26.30
1048576 24.20 23.48
5242880 24.10 21.94
USB-MSC MUSB Host-DMA-Read Performance values Buffer Size (in Bytes) Transfer Rate (in MBytes/sec) CPU Load (in %)
102400 23.63 27.13
1048576 23.54 27.27
5242880 23.57 27.50
USB MSC (MUSB) Host mode VFAT File System Performance
102400 22.61 36.55
262144 22.56 35.31
102400 22.26 24.39
262144 22.02 26.95
如果用的是starterware，下载最新的版本，有个宏设置可以做到
你好，AM335X_StarterWare_02_00_01_01这个版本的device bulk传输怎么把高速USB改为全速呢？？？
