根据UFI协议指令,READ_10指令发来后,我们怎么处理,数据该怎么返回?
我返回的数据是这么做的
readBuf[0] = (32767>>24)&0xff;
readBuf[1] = (32767>>16)&0xff;
readBuf[2] = (32767>>8)&0xff;
readBuf[3] = (32767>>0)&0xff;
readBuf[4] = (512>>24)&0xff;
readBuf[5] = (512>>16)&0xff;
readBuf[6] = (512>>8)&0xff;
readBuf[7] = (512>>0)&0xff;
但是我在打印READ_10,发来的数据包中,看到LBA,和CONUT这两个数据,我不知道怎么去理解这两个数据,需要我怎么返回?
上面的32767是我自己随便写的,我是想用Mass storage做个免驱设备;
我的
READ_FORMAT_CAPACITIES数据如下:
readFormatCapacities[0] = 0x00;
readFormatCapacities[0] = 0x00;
readFormatCapacities[0] = 0x00;
readFormatCapacities[0] = 0x08;
readFormatCapacities[0] = (32768>>24)&0xff;
readFormatCapacities[0] = (32768>>16)&0xff;
readFormatCapacities[0] = (32768>>8)&0xff;
readFormatCapacities[0] = (32768>>0)&0xff;
readFormatCapacities[0] = 0x02;
readFormatCapacities[0] = (512>>24)&0xff;
readFormatCapacities[0] = (512>>24)&0xff;
readFormatCapacities[0] = (512>>24)&0xff;
READ_CAPACITY数据如下:
readBuf[0] = (32767>>24)&0xff;
readBuf[1] = (32767>>16)&0xff;
readBuf[2] = (32767>>8)&0xff;
readBuf[3] = (32767>>0)&0xff;
readBuf[4] = (512>>24)&0xff;
readBuf[5] = (512>>16)&0xff;
readBuf[6] = (512>>8)&0xff;
readBuf[7] = (512>>0)&0xff;
我现在遇到的问题是我在windows和android4.4上,使用getDeviceList可以获取到设备里面有设备,但是在Android6以上获取设备列表里面没有设备,请问各位我应该怎么配置这些返回数据?我觉得不是权限问题,我用U盘测试过,U盘可以获取到设备列表里面