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61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
#ifndef __USB_API_H__SYN81IFYBN__
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#define __USB_API_H__SYN81IFYBN__
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#include <sys/process.h>
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void
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usb_setup(void);
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void
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usb_set_user_process(struct process *p);
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void
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usb_setup_bulk_endpoint(unsigned char addr,
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unsigned char *buffer, unsigned int buf_size);
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void
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usb_setup_interrupt_endpoint(unsigned char addr,
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unsigned char *buffer, unsigned int buf_size);
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/* Get a pointer to a buffer dat of length lenp.
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To which USB data can be written. */
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void
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usb_send_buffer_get(unsigned char ep_addr, unsigned int offset,
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unsigned char **dat, unsigned int *lenp);
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/* Notify the USB subsystem that data has been written to the buffer returned
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by usb_send_buffer_get. */
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void
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usb_send_buffer_commit(unsigned char ep_addr, unsigned int len);
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unsigned int
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usb_send_data(unsigned char ep_addr,
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const unsigned char *dat, unsigned int len);
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unsigned int
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usb_recv_data(unsigned char ep_addr, unsigned char *dat, unsigned int len);
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void
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usb_disable_endpoint(unsigned char addr);
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/* Asynchronous */
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#define USB_USER_MSG_TYPE_CONFIG 0x01
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#define USB_USER_MSG_TYPE_SUSPEND 0x02
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#define USB_USER_MSG_TYPE_RESUME 0x03
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/* Synchronous, the supplied data is only valid during the event */
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#define USB_USER_MSG_TYPE_EP_OUT(ep_addr) ((((ep_addr) & 0x7f)<<4) | 0x01)
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#define USB_USER_MSG_TYPE_EP_IN(ep_addr) ((((ep_addr) & 0x7f)<<4) | 0x02)
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struct usb_user_msg {
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unsigned int type;
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union {
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/* For EPx_OUT */
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unsigned short length;
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/* For CONFIG */
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unsigned char config;
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} data;
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};
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#endif /* __USB_API_H__SYN81IFYBN__ */
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