49 lines
938 B
C
49 lines
938 B
C
#ifndef __USB_H
|
|
#define __USB_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct usb_setup_request;
|
|
|
|
enum epfifo_response {
|
|
EPF_ACK = 0,
|
|
EPF_NAK = 1,
|
|
EPF_NONE = 2,
|
|
EPF_STALL = 3,
|
|
};
|
|
|
|
// Note that our PIDs are only bits 2 and 3 of the token,
|
|
// since all other bits are effectively redundant at this point.
|
|
enum USB_PID {
|
|
USB_PID_OUT = 0,
|
|
USB_PID_SOF = 1,
|
|
USB_PID_IN = 2,
|
|
USB_PID_SETUP = 3,
|
|
};
|
|
|
|
#define USB_EV_ERROR 1
|
|
#define USB_EV_PACKET 2
|
|
|
|
void usb_isr(void);
|
|
void usb_init(void);
|
|
void usb_connect(void);
|
|
void usb_idle(void);
|
|
void usb_disconnect(void);
|
|
|
|
int usb_irq_happened(void);
|
|
int usb_setup(const struct usb_setup_request *setup);
|
|
void usb_send(const void *data, int total_count);
|
|
void usb_ack_in(void);
|
|
void usb_ack_out(void);
|
|
void usb_err(void);
|
|
int usb_recv(void *buffer, unsigned int buffer_len);
|
|
void usb_poll(void);
|
|
void usb_wait_for_send_done(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif |