#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "avr_usb.h"

Include dependency graph for avr_usb.c:

Data Structures
union	_ueintx

struct	_epstate

struct	usb_internal_state

Enumerations
enum	usb_regs { usbcon = 0, udcon = 8, udint = 9, udien = 10, udaddr = 11, udfnuml = 12, udfnumh = 13, udmfn = 14, ueintx = 16, uenum = 17, uerst = 18, ueconx = 19, uecfg0x = 20, uecfg1x = 21, uesta0x = 22, uesta1x = 23, ueienx = 24, uedatx = 25, uebclx = 26, ueint = 28, otgtcon = 29 }

enum	epints { txini = 0, stalledi = 1, rxouti = 2, rxstpi = 3, nakouti = 4, nakini = 6, overfi = 10, underfi = 11 }

enum	usbints { suspi = 0, sofi = 2, eorsti = 3, wakeupi = 4, eorsmi = 5, uprsmi = 6 }

Functions
static uint8_t	current_ep_to_cpu (avr_usb_t *p)

static struct _epstate *	get_epstate (avr_usb_t *p, uint8_t ep)

static void	raise_ep_interrupt (struct avr_t avr, avr_usb_t p, uint8_t ep, enum epints irq)

static void	raise_usb_interrupt (avr_usb_t *p, enum usbints irq)

static void	reset_endpoints (struct avr_t avr, avr_usb_t p)

static int	ep_fifo_empty (struct _epstate *epstate)

static int	ep_fifo_full (struct _epstate *epstate)

static uint8_t	ep_fifo_size (struct _epstate *epstate)

static uint8_t	ep_fifo_count (struct _epstate *epstate)

static int	ep_fifo_cpu_readbyte (struct _epstate *epstate)

static int	ep_fifo_cpu_writebyte (struct _epstate *epstate, uint8_t v)

static int	ep_fifo_usb_read (struct _epstate epstate, uint8_t buf)

static int	ep_fifo_usb_write (struct _epstate epstate, uint8_t buf, uint8_t len)

static uint8_t	avr_usb_ep_read_bytecount (struct avr_t avr, avr_io_addr_t addr, void param)

static void	avr_usb_udaddr_write (struct avr_t avr, avr_io_addr_t addr, uint8_t v, void param)

static void	avr_usb_udcon_write (struct avr_t avr, avr_io_addr_t addr, uint8_t v, void param)

static void	avr_usb_uenum_write (struct avr_t avr, avr_io_addr_t addr, uint8_t v, void param)

static uint8_t	avr_usb_ep_read_ueintx (struct avr_t avr, avr_io_addr_t addr, void param)

static void	avr_usb_ep_write_ueintx (struct avr_t avr, avr_io_addr_t addr, uint8_t v, void param)

static uint8_t	avr_usb_ep_read (struct avr_t avr, avr_io_addr_t addr, void param)

static void	avr_usb_ep_write (struct avr_t avr, avr_io_addr_t addr, uint8_t v, void param)

static uint8_t	avr_usb_ep_read_data (struct avr_t avr, avr_io_addr_t addr, void param)

static void	avr_usb_ep_write_data (struct avr_t avr, avr_io_addr_t addr, uint8_t v, void param)

static void	avr_usb_pll_write (struct avr_t avr, avr_io_addr_t addr, uint8_t v, void param)

avr_cycle_count_t	sof_generator (struct avr_t avr, avr_cycle_count_t when, void param)

static int	avr_usb_ioctl (struct avr_io_t io, uint32_t ctl, void io_param)

void	avr_usb_reset (struct avr_io_t *io)

static void	avr_usb_dealloc (struct avr_io_t *port)

static void	register_io_ep_readwrite (avr_t avr, avr_usb_t p, uint8_t laddr)

static void	register_vectors (avr_t avr, avr_usb_t p)

void	avr_usb_init (avr_t avr, avr_usb_t p)

Variables
const uint8_t	num_endpoints = 5

static const char *	irq_names [USB_IRQ_COUNT]

static avr_io_t	_io

Enumeration Type Documentation

enum epints

Enumerator
txini
stalledi
rxouti
rxstpi
nakouti
nakini
overfi
underfi

enum usb_regs

Enumerator
usbcon
udcon
udint
udien
udaddr
udfnuml
udfnumh
udmfn
ueintx
uenum
uerst
ueconx
uecfg0x
uecfg1x
uesta0x
uesta1x
ueienx
uedatx
uebclx
ueint
otgtcon

enum usbints

Enumerator
suspi
sofi
eorsti
wakeupi
eorsmi
uprsmi

Function Documentation

static void avr_usb_dealloc ( struct avr_io_t * port )

static

static uint8_t avr_usb_ep_read	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		void *	param
	)

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static uint8_t avr_usb_ep_read_bytecount	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		void *	param
	)

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static uint8_t avr_usb_ep_read_data	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		void *	param
	)

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static uint8_t avr_usb_ep_read_ueintx	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		void *	param
	)

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static void avr_usb_ep_write	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		uint8_t	v,
		void *	param
	)

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static void avr_usb_ep_write_data	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		uint8_t	v,
		void *	param
	)

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static void avr_usb_ep_write_ueintx	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		uint8_t	v,
		void *	param
	)

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static int avr_usb_ioctl	(	struct avr_io_t *	io,
		uint32_t	ctl,
		void *	io_param
	)

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static void avr_usb_pll_write	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		uint8_t	v,
		void *	param
	)

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void avr_usb_reset ( struct avr_io_t * io )

static void avr_usb_udaddr_write	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		uint8_t	v,
		void *	param
	)

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static void avr_usb_udcon_write	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		uint8_t	v,
		void *	param
	)

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static void avr_usb_uenum_write	(	struct avr_t *	avr,
		avr_io_addr_t	addr,
		uint8_t	v,
		void *	param
	)

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static uint8_t current_ep_to_cpu ( avr_usb_t * p )

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static uint8_t ep_fifo_count ( struct _epstate * epstate )

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static int ep_fifo_cpu_readbyte ( struct _epstate * epstate )

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static int ep_fifo_cpu_writebyte	(	struct _epstate *	epstate,
		uint8_t	v
	)

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static int ep_fifo_empty ( struct _epstate * epstate )

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static int ep_fifo_full ( struct _epstate * epstate )

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static uint8_t ep_fifo_size ( struct _epstate * epstate )

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static int ep_fifo_usb_read	(	struct _epstate *	epstate,
		uint8_t *	buf
	)

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static int ep_fifo_usb_write	(	struct _epstate *	epstate,
		uint8_t *	buf,
		uint8_t	len
	)

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static struct _epstate* get_epstate	(	avr_usb_t *	p,
		uint8_t	ep
	)

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static void raise_ep_interrupt	(	struct avr_t *	avr,
		avr_usb_t *	p,
		uint8_t	ep,
		enum epints	irq
	)

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static void raise_usb_interrupt	(	avr_usb_t *	p,
		enum usbints	irq
	)

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static void register_io_ep_readwrite	(	avr_t *	avr,
		avr_usb_t *	p,
		uint8_t	laddr
	)

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static void register_vectors	(	avr_t *	avr,
		avr_usb_t *	p
	)

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static void reset_endpoints	(	struct avr_t *	avr,
		avr_usb_t *	p
	)

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avr_cycle_count_t sof_generator	(	struct avr_t *	avr,
		avr_cycle_count_t	when,
		void *	param
	)

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Variable Documentation

avr_io_t _io

static

Initial value:

= {
  .kind = "usb",
  .reset = avr_usb_reset,
  .irq_names = irq_names,
  .ioctl = avr_usb_ioctl,
  .dealloc = avr_usb_dealloc,
}

const char* irq_names[USB_IRQ_COUNT]

static

Initial value:

= {
  [USB_IRQ_ATTACH] = ">attach",
}

const uint8_t num_endpoints = 5

Data Structures

Enumerations

Functions

Variables

Enumeration Type Documentation

Function Documentation

Variable Documentation