fomu-factory-test/sw/include/usb.h

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#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