371 lines
9.1 KiB
C
371 lines
9.1 KiB
C
/* This file has been prepared for Doxygen automatic documentation generation.*/
|
|
/*! \file rndis_task.c *********************************************************
|
|
*
|
|
* \brief
|
|
* Manages the RNDIS Dataclass for the USB Device
|
|
*
|
|
* \addtogroup usbstick
|
|
*
|
|
* \author
|
|
* Colin O'Flynn <coflynn@newae.com>
|
|
*
|
|
******************************************************************************/
|
|
/* Copyright (c) 2008 ATMEL Corporation
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the
|
|
distribution.
|
|
* Neither the name of the copyright holders nor the names of
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
/**
|
|
\addtogroup RNDIS
|
|
@{
|
|
*/
|
|
|
|
//_____ I N C L U D E S ___________________________________________________
|
|
|
|
|
|
#include "contiki.h"
|
|
#include "usb_drv.h"
|
|
#include "usb_descriptors.h"
|
|
#include "usb_specific_request.h"
|
|
#include "rndis/rndis_task.h"
|
|
#include "rndis/rndis_protocol.h"
|
|
#if RF230BB
|
|
#include "rf230bb.h"
|
|
#endif
|
|
#include "uip.h"
|
|
#include "sicslow_ethernet.h"
|
|
#include <stdio.h>
|
|
|
|
#include <avr/pgmspace.h>
|
|
#include <util/delay.h>
|
|
#include "watchdog.h"
|
|
|
|
#include "rndis/cdc_ecm.h"
|
|
#include "rndis/cdc_eem.h"
|
|
|
|
#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
|
|
#define PRINTF printf
|
|
#define PRINTF_P printf_P
|
|
|
|
//_____ M A C R O S ________________________________________________________
|
|
|
|
|
|
|
|
|
|
|
|
//_____ D E F I N I T I O N S ______________________________________________
|
|
|
|
|
|
#define IAD_TIMEOUT_DETACH 400
|
|
#define IAD_TIMEOUT_ATTACH 800
|
|
|
|
#define RNDIS_TIMEOUT_DETACH 900
|
|
#define RNDIS_TIMEOUT_ATTACH 1000
|
|
|
|
#define PBUF ((rndis_data_packet_t *) usb_eth_data_buffer)
|
|
|
|
//! Temp data buffer when adding RNDIS headers
|
|
uint8_t usb_eth_data_buffer[64];
|
|
|
|
uint64_t usb_ethernet_addr = 0x010000000002ULL;
|
|
|
|
//_____ D E C L A R A T I O N S ____________________________________________
|
|
|
|
|
|
//! Timers for LEDs
|
|
uint8_t led1_timer, led2_timer;
|
|
|
|
uint8_t usb_eth_is_active = 1;
|
|
|
|
|
|
uint8_t usb_eth_packet_is_available() {
|
|
Usb_select_endpoint(RX_EP);
|
|
return Is_usb_read_enabled();
|
|
}
|
|
|
|
|
|
uint8_t usb_eth_ready_for_next_packet() {
|
|
#ifdef USB_ETH_HOOK_IS_READY_FOR_INBOUND_PACKET
|
|
return USB_ETH_HOOK_IS_READY_FOR_INBOUND_PACKET();
|
|
#else
|
|
return 1;
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
|
|
void rxtx_led_update(void)
|
|
{
|
|
// turn off LED's if necessary
|
|
if (led1_timer) {
|
|
led1_timer--;
|
|
if(led1_timer&(1<<2))
|
|
Led1_on();
|
|
else
|
|
Led1_off();
|
|
}
|
|
else
|
|
Led1_off();
|
|
|
|
if (led2_timer) {
|
|
led2_timer--;
|
|
if(led2_timer&(1<<2))
|
|
Led2_on();
|
|
else
|
|
Led2_off();
|
|
}
|
|
else
|
|
Led2_off();
|
|
}
|
|
|
|
/**
|
|
@brief This will enable the RX_START LED for a period
|
|
*/
|
|
void rx_start_led(void)
|
|
{
|
|
led1_timer|=(1<<3);
|
|
if(((led1_timer-1)&(1<<2)))
|
|
Led1_on();
|
|
}
|
|
|
|
/**
|
|
@brief This will enable the TRX_END LED for a period
|
|
*/
|
|
void tx_end_led(void)
|
|
{
|
|
led2_timer|=(1<<3);
|
|
if(((led2_timer-1)&(1<<2)))
|
|
Led1_on();
|
|
}
|
|
|
|
#if USB_ETH_CONF_MASS_STORAGE_FALLBACK
|
|
static void
|
|
usb_eth_setup_timeout_fallback_check() {
|
|
extern uint8_t fingerPresent;
|
|
/* Device is Enumerated but RNDIS not loading. We might
|
|
have a system that does not support IAD (winXP). If so
|
|
count the timeout then switch to just network interface. */
|
|
static uint16_t iad_fail_timeout, rndis_fail_timeout;
|
|
if (usb_mode == rndis_debug) {
|
|
//If we have timed out, detach
|
|
if (iad_fail_timeout == IAD_TIMEOUT_DETACH) {
|
|
|
|
//Failed - BUT we are using "reverse logic", hence we force device
|
|
//into this mode. This is used to allow Windows Vista have time to
|
|
//install the drivers
|
|
if (fingerPresent && (rndis_state != rndis_data_initialized) && Is_device_enumerated() ) {
|
|
iad_fail_timeout = 0;
|
|
} else {
|
|
stdout = NULL;
|
|
Usb_detach();
|
|
doInit = 1; //Also mark system as needing intilizing
|
|
}
|
|
|
|
//Then wait a few before re-attaching
|
|
} else if (iad_fail_timeout == IAD_TIMEOUT_ATTACH) {
|
|
|
|
if (fingerPresent) {
|
|
usb_mode = mass_storage;
|
|
} else {
|
|
usb_mode = rndis_only;
|
|
}
|
|
Usb_attach();
|
|
}
|
|
|
|
//Increment timeout when device is not initializing, OR we have already detached,
|
|
//OR the user had their finger on the device, indicating a reverse of logic
|
|
if ( ( (rndis_state != rndis_data_initialized) && Is_device_enumerated() ) ||
|
|
(iad_fail_timeout > IAD_TIMEOUT_DETACH) ||
|
|
(fingerPresent) ) {
|
|
iad_fail_timeout++;
|
|
} else {
|
|
iad_fail_timeout = 0;
|
|
}
|
|
} //usb_mode == rndis_debug
|
|
|
|
|
|
/* Device is Enumerated but RNDIS STIL not loading. We just
|
|
have RNDIS interface, so obviously no drivers on target.
|
|
Just go ahead and mount ourselves as mass storage... */
|
|
if (usb_mode == rndis_only) {
|
|
//If we have timed out, detach
|
|
if (rndis_fail_timeout == RNDIS_TIMEOUT_DETACH) {
|
|
Usb_detach();
|
|
//Then wait a few before re-attaching
|
|
} else if (rndis_fail_timeout == RNDIS_TIMEOUT_ATTACH) {
|
|
usb_mode = mass_storage;
|
|
Usb_attach();
|
|
}
|
|
|
|
//Increment timeout when device is not initializing, OR we are already
|
|
//counting to detach
|
|
if ( ( (rndis_state != rndis_data_initialized)) ||
|
|
(rndis_fail_timeout > RNDIS_TIMEOUT_DETACH) ) {
|
|
rndis_fail_timeout++;
|
|
} else {
|
|
rndis_fail_timeout = 0;
|
|
}
|
|
}//usb_mode == rnids_only
|
|
}
|
|
#endif
|
|
|
|
PROCESS(usb_eth_process, "USB Ethernet process");
|
|
|
|
/**
|
|
* \brief RNDIS Process
|
|
*
|
|
* This is the link between USB and the "good stuff". In this routine data
|
|
* is received and processed by RNDIS, CDC-ECM, or CDC-EEM
|
|
*/
|
|
PROCESS_THREAD(usb_eth_process, ev, data_proc)
|
|
{
|
|
static struct etimer et;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
while(1) {
|
|
rxtx_led_update();
|
|
|
|
#if USB_ETH_CONF_MASS_STORAGE_FALLBACK
|
|
usb_eth_setup_timeout_fallback_check();
|
|
#endif
|
|
|
|
switch(usb_configuration_nb) {
|
|
case USB_CONFIG_RNDIS_DEBUG:
|
|
case USB_CONFIG_RNDIS:
|
|
if(Is_device_enumerated()) {
|
|
if(rndis_process()) {
|
|
etimer_set(&et, CLOCK_SECOND/80);
|
|
} else {
|
|
Led0_toggle();
|
|
etimer_set(&et, CLOCK_SECOND/8);
|
|
}
|
|
}
|
|
break;
|
|
case USB_CONFIG_EEM:
|
|
if(Is_device_enumerated())
|
|
cdc_eem_process();
|
|
etimer_set(&et, CLOCK_SECOND/80);
|
|
break;
|
|
case USB_CONFIG_ECM:
|
|
case USB_CONFIG_ECM_DEBUG:
|
|
if(Is_device_enumerated()) {
|
|
if(cdc_ecm_process()) {
|
|
etimer_set(&et, CLOCK_SECOND/80);
|
|
} else {
|
|
Led0_toggle();
|
|
etimer_set(&et, CLOCK_SECOND/8);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
Led0_toggle();
|
|
etimer_set(&et, CLOCK_SECOND/4);
|
|
break;
|
|
}
|
|
|
|
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)||(usb_eth_packet_is_available()&&usb_eth_ready_for_next_packet()));
|
|
} // while(1)
|
|
|
|
PROCESS_END();
|
|
}
|
|
|
|
/**
|
|
\brief Sends a single ethernet frame over USB using appropriate low-level protocol (EEM or RNDIS)
|
|
\param senddata Data to send
|
|
\param sendlen Length of data to send
|
|
\param led Should the LED be light up for this frame?
|
|
*/
|
|
uint8_t usb_eth_send(uint8_t * senddata, uint16_t sendlen, uint8_t led)
|
|
{
|
|
uint8_t ret = 0;
|
|
|
|
if(!usb_eth_is_active) {
|
|
USB_ETH_HOOK_TX_ERROR("Inactive");
|
|
goto bail;
|
|
}
|
|
|
|
//Check device is set up
|
|
if (Is_device_enumerated() == 0) {
|
|
USB_ETH_HOOK_TX_ERROR("Device not enumerated");
|
|
goto bail;
|
|
}
|
|
|
|
switch(usb_configuration_nb) {
|
|
case USB_CONFIG_RNDIS_DEBUG:
|
|
case USB_CONFIG_RNDIS:
|
|
ret = rndis_send(senddata, sendlen, led);
|
|
break;
|
|
case USB_CONFIG_EEM:
|
|
ret = eem_send(senddata, sendlen, led);
|
|
break;
|
|
case USB_CONFIG_ECM:
|
|
case USB_CONFIG_ECM_DEBUG:
|
|
ret = ecm_send(senddata, sendlen, led);
|
|
break;
|
|
}
|
|
|
|
bail:
|
|
|
|
if(!ret) // Hit the watchdog if we have a successful send.
|
|
watchdog_periodic();
|
|
|
|
return ret;
|
|
}
|
|
|
|
uint8_t
|
|
usb_eth_set_active(uint8_t active) {
|
|
if(usb_eth_is_active!=active) {
|
|
switch(usb_configuration_nb) {
|
|
case USB_CONFIG_RNDIS_DEBUG:
|
|
case USB_CONFIG_RNDIS:
|
|
usb_eth_is_active = active;
|
|
rndis_send_interrupt();
|
|
break;
|
|
case USB_CONFIG_EEM:
|
|
break;
|
|
case USB_CONFIG_ECM:
|
|
case USB_CONFIG_ECM_DEBUG:
|
|
cdc_ecm_set_active(active);
|
|
usb_eth_is_active = active;
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
usb_eth_get_mac_address(uint8_t dest[6]) {
|
|
memcpy(dest,&usb_ethernet_addr,6);
|
|
}
|
|
|
|
void
|
|
usb_eth_set_mac_address(const uint8_t src[6]) {
|
|
memcpy(&usb_ethernet_addr,src,6);
|
|
}
|
|
|
|
/** @} */
|