8050864226
Previously, the CC2538 port would compile USB-related files from their original location under the CC2531 CPU dir. We are now removing the latter, but we need to keep those files.
128 lines
3.9 KiB
C
128 lines
3.9 KiB
C
#ifndef USB_API_H_SYN81IFYBN__
|
|
#define USB_API_H_SYN81IFYBN__
|
|
|
|
#include "sys/process.h"
|
|
|
|
typedef struct _USBBuffer USBBuffer;
|
|
|
|
struct _USBBuffer {
|
|
USBBuffer *next; /* Pointer to next buffer in chain */
|
|
uint8_t *data; /* Where to read/write data next */
|
|
uint16_t left; /* Remaining length of buffer. */
|
|
uint16_t flags;
|
|
uint32_t id; /* User data */
|
|
};
|
|
|
|
/* Buffer owned by the USB code, cleared when done */
|
|
#define USB_BUFFER_SUBMITTED 0x01
|
|
|
|
/* Write a short packet at end of buffer or release buffer when a
|
|
short packet is received. */
|
|
#define USB_BUFFER_SHORT_END 0x02
|
|
|
|
/* Release buffer as soon as any received data has been written in it. */
|
|
#define USB_BUFFER_PACKET_END 0x04
|
|
|
|
/* Notify the user when the buffer is released */
|
|
#define USB_BUFFER_NOTIFY 0x08
|
|
|
|
/* Packet should be sent to host. */
|
|
#define USB_BUFFER_IN 0x40
|
|
|
|
/* Used for receiving SETUP packets. If a SETUP packet is received and
|
|
the next buffers doesn't have this flag set, they will be skipped
|
|
until one is found. The associated buffer must be at least 8 bytes */
|
|
#define USB_BUFFER_SETUP 0x20
|
|
|
|
/* HALT the endpoint at this point. Only valid for bulk and interrupt
|
|
endpoints */
|
|
#define USB_BUFFER_HALT 0x100
|
|
|
|
/* Flags set by system */
|
|
|
|
/* The last packet written to this buffer was short. */
|
|
#define USB_BUFFER_SHORT_PACKET 0x10
|
|
|
|
/* The operation associated with this buffer failed. I.e. it was discarded since it didn't match the received SETUP packet. */
|
|
#define USB_BUFFER_FAILED 0x80
|
|
|
|
/* Architecture specific flags */
|
|
#define USB_BUFFER_ARCH_FLAG_1 0x1000
|
|
#define USB_BUFFER_ARCH_FLAG_2 0x2000
|
|
#define USB_BUFFER_ARCH_FLAG_3 0x4000
|
|
#define USB_BUFFER_ARCH_FLAG_4 0x8000
|
|
|
|
void usb_setup(void);
|
|
|
|
|
|
/* Read only */
|
|
struct USBRequestHandler {
|
|
uint8_t request_type;
|
|
uint8_t request_type_mask;
|
|
uint8_t request;
|
|
uint8_t request_mask;
|
|
/* Returns true if it handled the request, if false let another handler try */
|
|
unsigned int (*handler_func) ();
|
|
};
|
|
|
|
/* Must be writeable */
|
|
struct USBRequestHandlerHook {
|
|
struct USBRequestHandlerHook *next;
|
|
const struct USBRequestHandler *const handler;
|
|
};
|
|
|
|
void usb_register_request_handler(struct USBRequestHandlerHook *hook);
|
|
|
|
void usb_prepend_request_handler(struct USBRequestHandlerHook *hook);
|
|
|
|
void usb_setup_bulk_endpoint(uint8_t addr);
|
|
|
|
void usb_setup_interrupt_endpoint(uint8_t addr);
|
|
|
|
/* Submit a chain of buffers to be filled with received data. Last
|
|
buffer must have next set to NULL. */
|
|
void usb_submit_recv_buffer(uint8_t ep_addr, USBBuffer * buffer);
|
|
|
|
/* Submit a chain of buffers to be sent. Last buffer must have next
|
|
set to NULL. When submitting packets to receive or send data in on
|
|
a control enpoint, all packets in the data stage must be submitted
|
|
at the same time. */
|
|
void usb_submit_xmit_buffer(uint8_t ep_addr, USBBuffer * buffer);
|
|
|
|
/* Return true if not all data has been sent to the host */
|
|
int usb_send_pending(uint8_t ep_addr);
|
|
|
|
/* Release all buffers submitted to the endpoint and discard any
|
|
buffered data. */
|
|
void usb_discard_all_buffers(uint8_t ep_addr);
|
|
|
|
void usb_disable_endpoint(uint8_t addr);
|
|
|
|
/* Set or remove a HALT condition on an endpoint */
|
|
void usb_halt_endpoint(uint8_t addr, int halt);
|
|
|
|
/* Select what process should be polled when buffers with the
|
|
USB_BUFFER_NOTIFY flag set is released from the endpoint */
|
|
void usb_set_ep_event_process(uint8_t addr, struct process *p);
|
|
|
|
/* Select what process should be polled when a global event occurs */
|
|
void usb_set_global_event_process(struct process *p);
|
|
|
|
/* Global events */
|
|
#define USB_EVENT_CONFIG 0x01
|
|
#define USB_EVENT_SUSPEND 0x02
|
|
#define USB_EVENT_RESUME 0x04
|
|
#define USB_EVENT_RESET 0x08
|
|
|
|
/* Returns global events that has occured since last time this
|
|
function was called */
|
|
unsigned int usb_get_global_events(void);
|
|
|
|
|
|
#define USB_EP_EVENT_NOTIFICATION 0x01
|
|
unsigned int usb_get_ep_events(uint8_t addr);
|
|
|
|
unsigned int usb_get_current_configuration(void);
|
|
|
|
#endif /* USB_API_H_SYN81IFYBN__ */
|