Sean Cross
5ff6153b53
These tests are still a work-in-progress, but they form the basis of what will be the factory test. Signed-off-by: Sean Cross <sean@xobs.io>
49 lines
938 B
C
49 lines
938 B
C
#ifndef __USB_H
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#define __USB_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct usb_setup_request;
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enum epfifo_response {
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EPF_ACK = 0,
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EPF_NAK = 1,
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EPF_NONE = 2,
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EPF_STALL = 3,
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};
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// Note that our PIDs are only bits 2 and 3 of the token,
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// since all other bits are effectively redundant at this point.
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enum USB_PID {
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USB_PID_OUT = 0,
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USB_PID_SOF = 1,
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USB_PID_IN = 2,
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USB_PID_SETUP = 3,
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};
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#define USB_EV_ERROR 1
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#define USB_EV_PACKET 2
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void usb_isr(void);
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void usb_init(void);
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void usb_connect(void);
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void usb_idle(void);
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void usb_disconnect(void);
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int usb_irq_happened(void);
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int usb_setup(const struct usb_setup_request *setup);
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void usb_send(const void *data, int total_count);
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void usb_ack_in(void);
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void usb_ack_out(void);
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void usb_err(void);
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int usb_recv(void *buffer, unsigned int buffer_len);
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void usb_poll(void);
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void usb_wait_for_send_done(void);
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#ifdef __cplusplus
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}
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#endif
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#endif |