365 lines
9 KiB
C
365 lines
9 KiB
C
/* This file has been prepared for Doxygen automatic documentation generation.*/
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/*! \file cdc_task.c **********************************************************
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*
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* \brief
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* Manages the CDC-ACM Virtual Serial Port Dataclass for the USB Device
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*
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* \addtogroup usbstick
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*
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* \author
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* Colin O'Flynn <coflynn@newae.com>
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*
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******************************************************************************/
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/* Copyright (c) 2008 ATMEL Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of the copyright holders nor the names of
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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\ingroup usbstick
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\defgroup cdctask CDC Task
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@{
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*/
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//_____ I N C L U D E S ___________________________________________________
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#include "contiki.h"
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#include "usb_drv.h"
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#include "usb_descriptors.h"
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#include "usb_specific_request.h"
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#include "serial/cdc_task.h"
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#include "serial/uart_usb_lib.h"
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#include "rndis/rndis_protocol.h"
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#include "sicslow_ethernet.h"
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#include "radio.h"
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#include <stdio.h>
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#include <avr/pgmspace.h>
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#include <avr/eeprom.h>
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#include <util/delay.h>
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#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
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#define PRINTF printf
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#define PRINTF_P printf_P
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//_____ M A C R O S ________________________________________________________
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//_____ D E F I N I T I O N S ______________________________________________
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#define IAD_TIMEOUT_DETACH 300
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#define IAD_TIMEOUT_ATTACH 600
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#define PBUF ((rndis_data_packet_t *) data_buffer)
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//_____ D E C L A R A T I O N S ____________________________________________
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void menu_print(void);
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void menu_process(char c);
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extern char usb_busy;
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//! Counter for USB Serial port
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extern U8 tx_counter;
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//! Timers for LEDs
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uint8_t led3_timer;
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//! Was USB device *just* enumerated?
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uint8_t justenumerated = 1;
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static uint8_t timer = 0;
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static struct etimer et;
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PROCESS(cdc_process, "CDC process");
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/**
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* \brief Communication Data Class (CDC) Process
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*
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* This is the link between USB and the "good stuff". In this routine data
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* is received and processed by CDC-ACM Class
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*/
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PROCESS_THREAD(cdc_process, ev, data_proc)
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{
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PROCESS_BEGIN();
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uart_usb_init();
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while(1) {
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// turn off LED's if necessary
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if (led3_timer) led3_timer--;
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else Led3_off();
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if(Is_device_enumerated() && (usb_mode == rndis_debug) && rndis_state && (!usb_busy)) {
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if (justenumerated) {
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//If we have serial port, set it as output
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if (usb_mode == rndis_debug) {
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uart_usb_set_stdout();
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menu_print();
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}
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justenumerated = 0;
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}
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//Flush buffer if timeout
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if(timer >= 4 && tx_counter!=0 ){
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timer = 0;
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uart_usb_flush();
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} else {
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timer++;
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}
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while (uart_usb_test_hit()){
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menu_process(uart_usb_getchar()); // See what they want
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}
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}//if (Is_device_enumerated())
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if (usb_mode == rndis_debug) {
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etimer_set(&et, CLOCK_SECOND/80);
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} else {
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etimer_set(&et, CLOCK_SECOND);
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}
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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} // while(1)
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PROCESS_END();
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}
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/**
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\brief Print debug menu
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*/
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void menu_print(void)
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{
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PRINTF_P(PSTR("\n\n\r********** Jackdaw Menu ******************\n\r"));
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PRINTF_P(PSTR("* *\n\r"));
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PRINTF_P(PSTR("* Main Menu: *\n\r"));
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PRINTF_P(PSTR("* h,? Print this menu *\n\r"));
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PRINTF_P(PSTR("* m Print current mode *\n\r"));
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PRINTF_P(PSTR("* s Set to sniffer mode *\n\r"));
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PRINTF_P(PSTR("* n Set to network mode *\n\r"));
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PRINTF_P(PSTR("* c Set RF channel *\n\r"));
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PRINTF_P(PSTR("* 6 Toggle 6lowpan *\n\r"));
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PRINTF_P(PSTR("* r Toggle raw mode *\n\r"));
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PRINTF_P(PSTR("* u Switch to mass-storage*\n\r"));
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PRINTF_P(PSTR("* *\n\r"));
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PRINTF_P(PSTR("* Make selection at any time by pressing *\n\r"));
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PRINTF_P(PSTR("* your choice on keyboard. *\n\r"));
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PRINTF_P(PSTR("******************************************\n\r"));
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}
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/**
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\brief Process incomming char on debug port
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*/
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void menu_process(char c)
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{
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static enum menustate_enum /* Defines an enumeration type */
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{
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normal,
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channel
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} menustate = normal;
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static char channel_string[3];
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static uint8_t channel_string_i = 0;
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int tempchannel;
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if (menustate == channel) {
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switch(c) {
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case '\r':
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case '\n':
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channel_string[channel_string_i] = 0;
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//Will return zero in event of error...
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tempchannel = atoi(channel_string);
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//Bounds check only if user had real input
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if ( ((channel_string_i) && (tempchannel < 11)) || (tempchannel > 26)) {
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PRINTF_P(PSTR("\n\rInvalid input\n\r"));
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}
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//If valid input, change it
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if (tempchannel) {
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radio_set_operating_channel(tempchannel);
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eeprom_write_byte(9, tempchannel); //Write channel
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eeprom_write_byte(10, ~tempchannel); //Bit inverse as check
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}
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menustate = normal;
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break;
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case '\b':
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if (channel_string_i)
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channel_string_i--;
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break;
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default:
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if (channel_string_i > 1) {
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menustate = normal;
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PRINTF_P(PSTR("\n\rInput too long!\n\r"));
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break;
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}
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channel_string[channel_string_i] = c;
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channel_string_i++;
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}
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} else {
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uint8_t i;
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switch(c) {
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case '\r':
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case '\n':
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break;
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case 'h':
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case '?':
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menu_print();
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break;
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case 's':
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PRINTF_P(PSTR("Jackdaw now in sniffer mode\n\r"));
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usbstick_mode.sendToRf = 0;
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usbstick_mode.translate = 0;
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break;
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case 'n':
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PRINTF_P(PSTR("Jackdaw now in network mode\n\r"));
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usbstick_mode.sendToRf = 1;
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usbstick_mode.translate = 1;
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break;
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case '6':
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if (usbstick_mode.sicslowpan) {
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PRINTF_P(PSTR("Jackdaw does not perform 6lowpan translation\n\r"));
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usbstick_mode.sicslowpan = 0;
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} else {
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PRINTF_P(PSTR("Jackdaw now performs 6lowpan translations\n\r"));
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usbstick_mode.sicslowpan = 1;
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}
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break;
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case 'r':
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if (usbstick_mode.raw) {
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PRINTF_P(PSTR("Jackdaw does not capture raw frames\n\r"));
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usbstick_mode.raw = 0;
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} else {
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PRINTF_P(PSTR("Jackdaw now captures raw frames\n\r"));
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usbstick_mode.raw = 1;
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}
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break;
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case 'c':
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PRINTF_P(PSTR("Select 802.15.4 Channel in range 11-26 [%d]: "), radio_get_operating_channel());
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menustate = channel;
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channel_string_i = 0;
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break;
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case 'm':
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PRINTF_P(PSTR("Currently Jackdaw:\n\r * Will "));
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if (usbstick_mode.sendToRf == 0) { PRINTF_P(PSTR("not "));}
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PRINTF_P(PSTR("send data over RF\n\r * Will "));
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if (usbstick_mode.translate == 0) { PRINTF_P(PSTR("not "));}
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PRINTF_P(PSTR("change link-local addresses inside IP messages\n\r * Will "));
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if (usbstick_mode.sicslowpan == 0) { PRINTF_P(PSTR("not "));}
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PRINTF_P(PSTR("decompress 6lowpan headers\n\r * Will "));
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if (usbstick_mode.raw == 0) { PRINTF_P(PSTR("not "));}
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PRINTF_P(PSTR("Output raw 802.15.4 frames\n\r "));
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PRINTF_P(PSTR(" * Operates on channel %d\n\r"), radio_get_operating_channel());
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break;
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case 'u':
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//Mass storage mode
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usb_mode = mass_storage;
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//No more serial port
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stdout = NULL;
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//RNDIS is over
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rndis_state = rndis_uninitialized;
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Leds_off();
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//Deatch USB
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Usb_detach();
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//Wait a few seconds
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for(i = 0; i < 50; i++)
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_delay_ms(100);
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//Attach USB
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Usb_attach();
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break;
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default:
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PRINTF_P(PSTR("%c is not a valid option! h for menu\n\r"), c);
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break;
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}
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}
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return;
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}
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/**
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@brief This will enable the VCP_TRX_END LED for a period
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*/
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void vcptx_end_led(void)
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{
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Led3_on();
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led3_timer = 10;
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}
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/** @} */
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