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119 lines
2.4 KiB
C
119 lines
2.4 KiB
C
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#ifndef __USB_PROTO_H__RVJQ2JAGM4__
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#define __USB_PROTO_H__RVJQ2JAGM4__
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#include <usb.h>
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#include <usb-config.h>
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#ifndef NULL
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#define NULL 0
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#endif
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typedef struct _USBEndpoint USBEndpoint;
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struct _USBEndpoint
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{
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unsigned char addr;
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unsigned char buf_size_mask; /* mask for the buffer index. This implies
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that the buffer size must be a power of
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2 */
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unsigned char buf_len;
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unsigned char buf_pos;
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unsigned char* buffer;
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unsigned short status;
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unsigned short flags;
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};
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#define USB_EP_FLAGS_BANK_1_RECV_NEXT 0x01 /* The next packet received
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should be read from bank 1
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if possible */
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#define USB_EP_FLAGS_RECV_BLOCKED 0x02 /* Recetpion is blocked.
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Interrupt turned off */
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#define USB_EP_FLAGS_TRANSMITTING 0x04 /* Waiting for TXCOMP before sending
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more data */
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/* Read only */
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struct USBRequestHandler
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{
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unsigned char request_type;
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unsigned char request_type_mask;
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unsigned char request;
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unsigned char request_mask;
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/* Returns true if it handled the request, if false let another handler try*/
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unsigned int (*handler_func)();
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};
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/* Must be writeable */
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struct USBRequestHandlerHook
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{
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struct USBRequestHandlerHook *next;
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const struct USBRequestHandler * const handler;
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};
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void
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usb_register_request_handler(struct USBRequestHandlerHook *hook);
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void
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usb_reset();
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void
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usb_ep0_int();
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void
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usb_epx_int();
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void
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usb_clear_events(unsigned events);
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void
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usb_clear_ep_events(unsigned int ep, unsigned int events);
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void
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usb_error_stall();
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void
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usb_send_ctrl_response(const unsigned char *buffer, unsigned short len);
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void
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usb_send_ctrl_status();
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void
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usb_set_address();
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void
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usb_set_configuration_value(unsigned char c);
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unsigned char
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usb_get_configuration_value();
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void
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usb_init_endpoints();
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volatile USBEndpoint*
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usb_find_endpoint(unsigned char epaddr);
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void
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usb_halt_endpoint(unsigned char ep_addr, unsigned int halt);
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extern volatile unsigned char usb_events;
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extern struct process *usb_handler_process;
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extern struct USB_request_st usb_setup_buffer;
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extern unsigned char usb_ctrl_data_buffer[];
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extern unsigned short usb_ctrl_data_len;
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#define USB_EVENT_EP(ep) (0x01<<(ep))
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#define USB_EVENT_RESET 0x10
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#define USB_EVENT_SUPEND 0x20
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#define USB_EVENT_RESUME 0x40
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#define USB_EVENT_CONFIG 0x08
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extern volatile unsigned char usb_endpoint_events[];
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#define USB_EP_EVENT_SETUP 0x01
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#define USB_EP_EVENT_OUT 0x02
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#define USB_EP_EVENT_IN 0x04
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#endif /* __USB_PROTO_H__RVJQ2JAGM4__ */
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