Atmel Software Framework

usbb_device.c File Reference

USB Device driver Compliance with common driver UDD.

Copyright (c) 2009-2012 Atmel Corporation. All rights reserved.

#include "conf_usb.h"
#include "sysclk.h"
#include "sleep.h"
#include "udd.h"
#include "usbb_otg.h"
#include "usbb_device.h"
#include <string.h>
#include "sleepmgr.h"

Macros

#define UDD_BULK_NB_BANK(ep)   2
 
#define UDD_BULK_NB_BANK_ERROR
 
#define UDD_EP_BULK_NB_BANK_ERROR(ep)   (UDD_EP_USED(ep) && UDD_EP_ISO_NBANK_ERROR(ep))
 
#define UDD_EP_BULK_NBANK_ERROR(ep)   ( (UDD_BULK_NB_BANK(ep) < 1) || (UDD_BULK_NB_BANK(ep) > 2) )
 
#define UDD_EP_INT_NB_BANK_ERROR(ep)   (UDD_EP_USED(ep) && UDD_EP_ISO_NBANK_ERROR(ep))
 
#define UDD_EP_INT_NBANK_ERROR(ep)   ( (UDD_INTERRUPT_NB_BANK(ep) < 1) || (UDD_INTERRUPT_NB_BANK(ep) > 2) )
 
#define UDD_EP_ISO_NB_BANK_ERROR(ep)   (UDD_EP_USED(ep) && UDD_EP_ISO_NBANK_ERROR(ep))
 
#define UDD_EP_ISO_NBANK_ERROR(ep)
 
#define UDD_EP_NB_BANK_ERROR(ep, type)   (ATPASTE3(UDD_EP_, type, _NB_BANK_ERROR(ep)))
 
#define UDD_EP_USED(ep)   (USB_DEVICE_MAX_EP >= ep)
 
#define UDD_INTERRUPT_NB_BANK(ep)   1
 
#define UDD_INTERRUPT_NB_BANK_ERROR
 
#define UDD_ISO_NB_BANK_ERROR
 
#define UDD_ISOCHRONOUS_NB_BANK(ep)   2
 
#define UDD_USB_INT_LEVEL   0
 

Functions

void udd_attach (void)
 Attach device to the bus when possible. More...
 
void udd_detach (void)
 Detaches the device from the bus. More...
 
void udd_disable (void)
 Disables the USB Device mode. More...
 
void udd_enable (void)
 Enables the USB Device mode. More...
 
uint16_t udd_get_frame_number (void)
 Returns the current start of frame number. More...
 
uint16_t udd_get_micro_frame_number (void)
 Returns the current micro start of frame number. More...
 
uint8_t udd_getaddress (void)
 Returns the USB address of device. More...
 
bool udd_include_vbus_monitoring (void)
 Authorizes the VBUS event. More...
 
void udd_interrupt (void)
 Function called by USBB interrupt to manage USB device interrupts. More...
 
bool udd_is_high_speed (void)
 Test whether the USB Device Controller is running at high speed or not. More...
 
void udd_send_remotewakeup (void)
 The USB driver sends a resume signal called Upstream Resume. More...
 
void udd_set_address (uint8_t address)
 Changes the USB address of device. More...
 
void udd_set_setup_payload (uint8_t *payload, uint16_t payload_size)
 Load setup payload. More...
 

Power management routine.

#define USBB_SLEEP_MODE_USB_SUSPEND   SLEEPMGR_STATIC
 Definition of sleep levels. More...
 
#define USBB_SLEEP_MODE_USB_IDLE   SLEEPMGR_IDLE
 
static bool udd_b_idle
 State of USB line. More...
 
static void udd_sleep_mode (bool b_idle)
 Authorize or not the CPU powerdown mode. More...
 

Control endpoint low level management routine.

This function performs control endpoint management.

It handle the SETUP/DATA/HANDSHAKE phases of a control transaction.

enum  udd_ctrl_ep_state_t {
  UDD_EPCTRL_SETUP = 0,
  UDD_EPCTRL_DATA_OUT = 1,
  UDD_EPCTRL_DATA_IN = 2,
  UDD_EPCTRL_HANDSHAKE_WAIT_IN_ZLP = 3,
  UDD_EPCTRL_HANDSHAKE_WAIT_OUT_ZLP = 4,
  UDD_EPCTRL_STALL_REQ = 5
}
 Bit definitions about endpoint control state machine for udd_ep_control_state. More...
 
COMPILER_WORD_ALIGNED
udd_ctrl_request_t 
udd_g_ctrlreq
 Global variable to give and record information about setup request management. More...
 
static udd_ctrl_ep_state_t udd_ep_control_state
 State of the endpoint control management. More...
 
static uint16_t udd_ctrl_prev_payload_nb_trans
 Total number of data received/sent during data packet phase with previous payload buffers. More...
 
static uint16_t udd_ctrl_payload_nb_trans
 Number of data received/sent to/from udd_g_ctrlreq.payload buffer. More...
 
static void udd_reset_ep_ctrl (void)
 Reset control endpoint. More...
 
static void udd_ctrl_init (void)
 Reset control endpoint management. More...
 
static void udd_ctrl_setup_received (void)
 Managed reception of SETUP packet on control endpoint. More...
 
static void udd_ctrl_in_sent (void)
 Managed reception of IN packet on control endpoint. More...
 
static void udd_ctrl_out_received (void)
 Managed reception of OUT packet on control endpoint. More...
 
static void udd_ctrl_underflow (void)
 Managed underflow event of IN packet on control endpoint. More...
 
static void udd_ctrl_overflow (void)
 Managed overflow event of OUT packet on control endpoint. More...
 
static void udd_ctrl_stall_data (void)
 Managed stall event of IN/OUT packet on control endpoint. More...
 
static void udd_ctrl_send_zlp_in (void)
 Send a ZLP IN on control endpoint. More...
 
static void udd_ctrl_send_zlp_out (void)
 Send a ZLP OUT on control endpoint. More...
 
static void udd_ctrl_endofrequest (void)
 Call callback associated to setup request. More...
 
static bool udd_ctrl_interrupt (void)
 Main interrupt routine for control endpoint. More...
 

#define UDD_USB_INT_LEVEL   0

Referenced by udd_enable().