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USB_HCTypeDef struct
Syntax
typedef struct
{
uint8_t dev_addr;
uint8_t ch_num;
uint8_t ep_num;
uint8_t ep_is_in;
uint8_t speed;
uint8_t do_ping;
uint8_t do_ssplit;
uint8_t do_csplit;
uint8_t ep_ss_schedule;
uint32_t iso_splt_xactPos;
uint8_t hub_port_nbr;
uint8_t hub_addr;
uint8_t ep_type;
uint16_t max_packet;
uint8_t data_pid;
uint8_t *xfer_buff;
uint32_t XferSize;
uint32_t xfer_len;
uint32_t xfer_count;
uint8_t toggle_in;
uint8_t toggle_out;
uint32_t dma_addr;
uint32_t ErrCnt;
uint32_t NyetErrCnt;
USB_URBStateTypeDef urb_state;
USB_HCStateTypeDef state;
} USB_HCTypeDef;
Fields
Field
Declared as
Description
uint8_t
USB device address. This parameter must be a number between Min_Data = 1 and Max_Data = 255.
uint8_t
Host channel number. This parameter must be a number between Min_Data = 1 and Max_Data = 15.
uint8_t
Endpoint number. This parameter must be a number between Min_Data = 1 and Max_Data = 15.
uint8_t
Endpoint direction This parameter must be a number between Min_Data = 0 and Max_Data = 1.
uint8_t
USB Host Channel speed. This parameter can be any value of HCD_Device_Speed: (HCD_DEVICE_SPEED_xxx).
uint16_t
Endpoint Max packet size. This parameter must be a number between Min_Data = 0 and Max_Data = 64KB.
uint8_t
Initial data PID. This parameter must be a number between Min_Data = 0 and Max_Data = 1.
uint8_t
IN transfer current toggle flag. This parameter must be a number between Min_Data = 0 and Max_Data = 1.
uint8_t
OUT transfer current toggle flag This parameter must be a number between Min_Data = 0 and Max_Data = 1.
URB state. This parameter can be any value of ![]()
USB_URBStateTypeDef
.
Host Channel state. This parameter can be any value of ![]()
USB_HCStateTypeDef
.