interrupt have0x40
USB bus reset.
interrupt have0x80
USB bus suspend.
interrupt have0xC0
USB bus suspend.
USB bus reset.
interrupt have0x01
USB endpoint0 output.
read endpoint:0buffer:8bytes
0x80 0x06 0x00 0x01 0x00 0x00 0x40 0x00
USB stand in request:
device descriprot.
write endpoint:0buffer:16bytes
0x12 0x01 0x10 0x01 0x00 0x00 0x00 0x10 0x88 0x88 0x02 0x00 0x00 0x01 0x01 0x02
interrupt have0x02
USB ep0 in.
write endpoint:0buffer:2bytes
0x03 0x01
interrupt have0x01
USB endpoint0 output.
read endpoint:0buffer:0bytes
interrupt have0x40
USB bus reset.
连续读键盘的3次红色读device scriptor后,
host发个suspend不反应了 |