ref: 6b84c3a6548f1c577948763b0a09a7b6e2460e04
dir: /os/mpc/usb.h/
/* * USB packet definitions */ #define GET2(p) ((((p)[1]&0xFF)<<8)|((p)[0]&0xFF)) #define PUT2(p,v) {((p)[0] = (v)); ((p)[1] = (v)>>8);} enum { /* request type */ RH2D = 0<<7, RD2H = 1<<7, Rstandard = 0<<5, Rclass = 1<<5, Rvendor = 2<<5, Rdevice = 0, Rinterface = 1, Rendpt = 2, Rother = 3, /* standard requests */ GET_STATUS = 0, CLEAR_FEATURE = 1, SET_FEATURE = 3, SET_ADDRESS = 5, GET_DESCRIPTOR = 6, SET_DESCRIPTOR = 7, GET_CONFIGURATION = 8, SET_CONFIGURATION = 9, GET_INTERFACE = 10, SET_INTERFACE = 11, SYNCH_FRAME = 12, /* hub class feature selectors */ C_HUB_LOCAL_POWER = 0, C_HUB_OVER_CURRENT, PORT_CONNECTION = 0, PORT_ENABLE = 1, PORT_SUSPEND = 2, PORT_OVER_CURRENT = 3, PORT_RESET = 4, PORT_POWER = 8, PORT_LOW_SPEED = 9, C_PORT_CONNECTION = 16, C_PORT_ENABLE, C_PORT_SUSPEND, C_PORT_OVER_CURRENT, C_PORT_RESET, /* descriptor types */ DEVICE = 1, CONFIGURATION = 2, STRING = 3, INTERFACE = 4, ENDPOINT = 5, HID = 0x21, REPORT = 0x22, PHYSICAL = 0x23, /* feature selectors */ DEVICE_REMOTE_WAKEUP = 1, ENDPOINT_STALL = 0, };