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contiki/platform/avr-ravenusb/cdc_task.c

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/* This file has been prepared for Doxygen automatic documentation generation.*/
/*! \file cdc_task.c **********************************************************
*
* \brief
* Manages the CDC-ACM Virtual Serial Port 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.
*/
/**
\ingroup usbstick
\defgroup cdctask CDC Task
@{
*/
//_____ 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 "cdc_task.h"
#include "serial/uart_usb_lib.h"
#include "rndis/rndis_protocol.h"
#include "rndis/rndis_task.h"
#include "sicslow_ethernet.h"
#if RF230BB
#include "rf230bb.h"
#else
#include "radio.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include "dev/watchdog.h"
#include "rng.h"
#include "bootloader.h"
#include <avr/pgmspace.h>
#include <avr/eeprom.h>
#include <avr/wdt.h>
#include <util/delay.h>
#if JACKDAW_CONF_USE_SETTINGS
#include "settings.h"
#endif
#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
#define PRINTF printf
#define PRINTF_P printf_P
//_____ M A C R O S ________________________________________________________
#define bzero(ptr,size) memset(ptr,0,size)
//_____ D E F I N I T I O N S ______________________________________________
#define IAD_TIMEOUT_DETACH 300
#define IAD_TIMEOUT_ATTACH 600
//_____ D E C L A R A T I O N S ____________________________________________
void menu_print(void);
void menu_process(char c);
extern char usb_busy;
//! Counter for USB Serial port
extern U8 tx_counter;
//! Timers for LEDs
uint8_t led3_timer;
//! previous configuration
static uint8_t previous_uart_usb_control_line_state = 0;
static uint8_t timer = 0;
static struct etimer et;
#define CONVERTTXPOWER 1
#if CONVERTTXPOWER //adds 92 bytes to program flash size
const char txonesdigit[16] PROGMEM = {'3','2','2','1','1','0','0','1','2','3','4','5','7','9','2','7'};
const char txtenthsdigit[16] PROGMEM = {'0','6','1','6','1','5','2','2','2','2','2','2','2','2','2','2'};
#endif
PROCESS(cdc_process, "CDC serial process");
/**
* \brief Communication Data Class (CDC) Process
*
* This is the link between USB and the "good stuff". In this routine data
* is received and processed by CDC-ACM Class
*/
PROCESS_THREAD(cdc_process, ev, data_proc)
{
PROCESS_BEGIN();
#if USB_CONF_RS232
static FILE *rs232_stdout,*usb_stdout;
rs232_stdout=stdout;
#endif
while(1) {
// turn off LED's if necessary
if (led3_timer) led3_timer--;
else Led3_off();
if(Is_device_enumerated()) {
// If the configuration is different than the last time we checked...
if((uart_usb_get_control_line_state()&1)!=previous_uart_usb_control_line_state) {
previous_uart_usb_control_line_state = uart_usb_get_control_line_state()&1;
static FILE* previous_stdout;
if(previous_uart_usb_control_line_state&1) {
previous_stdout = stdout;
uart_usb_init();
uart_usb_set_stdout();
menu_print();
} else {
stdout = previous_stdout;
}
#if USB_CONF_RS232
usb_stdout=stdout;
#endif
}
//Flush buffer if timeout
if(timer >= 4 && tx_counter!=0 ){
timer = 0;
uart_usb_flush();
} else {
timer++;
}
#if USB_CONF_RS232
stdout=usb_stdout;
#endif
while (uart_usb_test_hit()){
menu_process(uart_usb_getchar()); // See what they want
}
#if USB_CONF_RS232
if (usbstick_mode.debugOn) {
stdout=rs232_stdout;
} else {
stdout=NULL;
}
#endif
}//if (Is_device_enumerated())
if (USB_CONFIG_HAS_DEBUG_PORT(usb_configuration_nb)) {
etimer_set(&et, CLOCK_SECOND/80);
} else {
etimer_set(&et, CLOCK_SECOND);
}
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
} // while(1)
PROCESS_END();
}
/**
\brief Print debug menu
*/
void menu_print(void)
{
PRINTF_P(PSTR("\n\r*********** Jackdaw Menu **********\n\r"));
PRINTF_P(PSTR("* *\n\r"));
PRINTF_P(PSTR("* m Print current mode *\n\r"));
PRINTF_P(PSTR("* s Set to sniffer mode *\n\r"));
PRINTF_P(PSTR("* n Set to network mode *\n\r"));
PRINTF_P(PSTR("* c Set RF channel *\n\r"));
PRINTF_P(PSTR("* 6 Toggle 6lowpan *\n\r"));
PRINTF_P(PSTR("* r Toggle raw mode *\n\r"));
#if USB_CONF_RS232
PRINTF_P(PSTR("* d Toggle RS232 output *\n\r"));
#endif
#if UIP_CONF_IPV6_RPL
PRINTF_P(PSTR("* N RPL Neighbors *\n\r"));
PRINTF_P(PSTR("* G RPL Global Repair *\n\r"));
#endif
PRINTF_P(PSTR("* e Energy Scan *\n\r"));
#if USB_CONF_STORAGE
PRINTF_P(PSTR("* u Switch to mass-storage*\n\r"));
#endif
if(bootloader_is_present())
PRINTF_P(PSTR("* D Switch to DFU mode *\n\r"));
PRINTF_P(PSTR("* R Reset (via WDT) *\n\r"));
PRINTF_P(PSTR("* h,? Print this menu *\n\r"));
PRINTF_P(PSTR("* *\n\r"));
PRINTF_P(PSTR("* Make selection at any time by *\n\r"));
PRINTF_P(PSTR("* pressing your choice on keyboard*\n\r"));
PRINTF_P(PSTR("***********************************\n\r"));
PRINTF_P(PSTR("[Built "__DATE__"]\n\r"));
}
#if UIP_CONF_IPV6_RPL
static void
ipaddr_add(const uip_ipaddr_t *addr)
{
uint16_t a;
int8_t i, f;
for(i = 0, f = 0; i < sizeof(uip_ipaddr_t); i += 2) {
a = (addr->u8[i] << 8) + addr->u8[i + 1];
if(a == 0 && f >= 0) {
if(f++ == 0) PRINTF_P(PSTR("::"));
} else {
if(f > 0) {
f = -1;
} else if(i > 0) {
PRINTF_P(PSTR(":"));
}
PRINTF_P(PSTR("%x"),a);
}
}
}
#endif
/**
\brief Process incomming char on debug port
*/
void menu_process(char c)
{
static enum menustate_enum /* Defines an enumeration type */
{
normal,
channel
} menustate = normal;
static char channel_string[3];
static uint8_t channel_string_i = 0;
int tempchannel;
if (menustate == channel) {
switch(c) {
case '\r':
case '\n':
if (channel_string_i) {
channel_string[channel_string_i] = 0;
tempchannel = atoi(channel_string);
#if RF230BB
if ((tempchannel < 11) || (tempchannel > 26)) {
PRINTF_P(PSTR("\n\rInvalid input\n\r"));
} else {
rf230_set_channel(tempchannel);
#else
if(radio_set_operating_channel(tempchannel)!=RADIO_SUCCESS) {
PRINTF_P(PSTR("\n\rInvalid input\n\r"));
} else {
#endif
#if JACKDAW_CONF_USE_SETTINGS
if(settings_set_uint8(SETTINGS_KEY_CHANNEL, tempchannel)!=SETTINGS_STATUS_OK) {
PRINTF_P(PSTR("\n\rChannel changed to %d, but unable to store in EEPROM!\n\r"),tempchannel);
} else
#else
AVR_ENTER_CRITICAL_REGION();
eeprom_write_byte((uint8_t *) 9, tempchannel); //Write channel
eeprom_write_byte((uint8_t *)10, ~tempchannel); //Bit inverse as check
AVR_LEAVE_CRITICAL_REGION();
#endif
PRINTF_P(PSTR("\n\rChannel changed to %d and stored in EEPROM.\n\r"),tempchannel);
}
} else {
PRINTF_P(PSTR("\n\rChannel unchanged.\n\r"));
}
menustate = normal;
break;
case '\b':
if (channel_string_i) {
channel_string_i--;
PRINTF_P(PSTR("\b \b"));
}
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (channel_string_i > 1) {
// This time the user has gone too far.
// Beep at them.
putc('\a', stdout);
//uart_usb_putchar('\a');
break;
}
putc(c, stdout);
//uart_usb_putchar(c);
channel_string[channel_string_i] = c;
channel_string_i++;
break;
default:
break;
}
} else {
uint8_t i;
switch(c) {
case '\r':
case '\n':
break;
case 'h':
case '?':
menu_print();
break;
case '-':
PRINTF_P(PSTR("Bringing interface down\n\r"));
usb_eth_set_active(0);
break;
case '=':
case '+':
PRINTF_P(PSTR("Bringing interface up\n\r"));
usb_eth_set_active(1);
break;
case 't':
// Test "strong" random number generator of R Quattlebaum
PRINTF_P(PSTR("RNG Output: "));
{
uint8_t value = rng_get_uint8();
uint8_t i;
for(i=0;i<8;i++) {
uart_usb_putchar(((value>>(7-i))&1)?'1':'0');
}
PRINTF_P(PSTR("\n\r"));
uart_usb_flush();
watchdog_periodic();
}
break;
case 's':
PRINTF_P(PSTR("Jackdaw now in sniffer mode\n\r"));
usbstick_mode.sendToRf = 0;
usbstick_mode.translate = 0;
break;
case 'n':
PRINTF_P(PSTR("Jackdaw now in network mode\n\r"));
usbstick_mode.sendToRf = 1;
usbstick_mode.translate = 1;
break;
case '6':
if (usbstick_mode.sicslowpan) {
PRINTF_P(PSTR("Jackdaw does not perform 6lowpan translation\n\r"));
usbstick_mode.sicslowpan = 0;
} else {
PRINTF_P(PSTR("Jackdaw now performs 6lowpan translations\n\r"));
usbstick_mode.sicslowpan = 1;
}
break;
case 'r':
if (usbstick_mode.raw) {
PRINTF_P(PSTR("Jackdaw does not capture raw frames\n\r"));
usbstick_mode.raw = 0;
} else {
PRINTF_P(PSTR("Jackdaw now captures raw frames\n\r"));
usbstick_mode.raw = 1;
}
break;
#if USB_CONF_RS232
case 'd':
if (usbstick_mode.debugOn) {
PRINTF_P(PSTR("Jackdaw does not output debug strings\n\r"));
usbstick_mode.debugOn = 0;
} else {
PRINTF_P(PSTR("Jackdaw now outputs debug strings\n\r"));
usbstick_mode.debugOn = 1;
}
break;
#endif
case 'c':
#if RF230BB
PRINTF_P(PSTR("Select 802.15.4 Channel in range 11-26 [%d]: "), rf230_get_channel());
#else
PRINTF_P(PSTR("Select 802.15.4 Channel in range 11-26 [%d]: "), radio_get_operating_channel());
#endif
menustate = channel;
channel_string_i = 0;
break;
#if UIP_CONF_IPV6_RPL
#include "rpl.h"
extern uip_ds6_nbr_t uip_ds6_nbr_cache[];
extern uip_ds6_route_t uip_ds6_routing_table[];
case 'N':
{ uint8_t i,j;
PRINTF_P(PSTR("\n\rNeighbors [%u max]\n\r"),UIP_DS6_NBR_NB);
for(i = 0,j=1; i < UIP_DS6_NBR_NB; i++) {
if(uip_ds6_nbr_cache[i].isused) {
ipaddr_add(&uip_ds6_nbr_cache[i].ipaddr);
PRINTF_P(PSTR("\n\r"));
j=0;
}
}
if (j) PRINTF_P(PSTR(" <none>"));
PRINTF_P(PSTR("\n\rRoutes [%u max]\n\r"),UIP_DS6_ROUTE_NB);
for(i = 0,j=1; i < UIP_DS6_ROUTE_NB; i++) {
if(uip_ds6_routing_table[i].isused) {
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
PRINTF_P(PSTR("/%u (via "), uip_ds6_routing_table[i].length);
ipaddr_add(&uip_ds6_routing_table[i].nexthop);
if(uip_ds6_routing_table[i].state.lifetime < 600) {
PRINTF_P(PSTR(") %lus\n\r"), uip_ds6_routing_table[i].state.lifetime);
} else {
PRINTF_P(PSTR(")\n\r"));
}
j=0;
}
}
if (j) PRINTF_P(PSTR(" <none>"));
PRINTF_P(PSTR("\n\r---------\n\r"));
break;
}
case 'G':
PRINTF_P(PSTR("Global repair returns %d\n\r"),rpl_repair_dag(rpl_get_dag(RPL_ANY_INSTANCE)));
break;
case 'L':
rpl_local_repair(rpl_get_dag(RPL_ANY_INSTANCE));
PRINTF_P(PSTR("Local repair initiated\n\r"));
break;
case 'Z': //zap the routing table
{ uint8_t i;
for (i = 0; i < UIP_DS6_ROUTE_NB; i++) {
uip_ds6_routing_table[i].isused=0;
}
PRINTF_P(PSTR("Routing table cleared!\n\r"));
break;
}
#endif
case 'm':
PRINTF_P(PSTR("Currently Jackdaw:\n\r * Will "));
if (usbstick_mode.sendToRf == 0) { PRINTF_P(PSTR("not "));}
PRINTF_P(PSTR("send data over RF\n\r * Will "));
if (usbstick_mode.translate == 0) { PRINTF_P(PSTR("not "));}
PRINTF_P(PSTR("change link-local addresses inside IP messages\n\r * Will "));
if (usbstick_mode.sicslowpan == 0) { PRINTF_P(PSTR("not "));}
PRINTF_P(PSTR("decompress 6lowpan headers\n\r * Will "));
if (usbstick_mode.raw == 0) { PRINTF_P(PSTR("not "));}
#if USB_CONF_RS232
PRINTF_P(PSTR("Output raw 802.15.4 frames\n\r * Will "));
if (usbstick_mode.debugOn == 0) { PRINTF_P(PSTR("not "));}
PRINTF_P(PSTR("Output RS232 debug strings\n\r"));
#else
PRINTF_P(PSTR("Output raw 802.15.4 frames\n\r"));
#endif
PRINTF_P(PSTR(" * USB Ethernet MAC: %02x:%02x:%02x:%02x:%02x:%02x\n"),
((uint8_t *)&usb_ethernet_addr)[0],
((uint8_t *)&usb_ethernet_addr)[1],
((uint8_t *)&usb_ethernet_addr)[2],
((uint8_t *)&usb_ethernet_addr)[3],
((uint8_t *)&usb_ethernet_addr)[4],
((uint8_t *)&usb_ethernet_addr)[5]
);
extern uint64_t macLongAddr;
PRINTF_P(PSTR(" * 802.15.4 EUI-64: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n"),
((uint8_t *)&macLongAddr)[0],
((uint8_t *)&macLongAddr)[1],
((uint8_t *)&macLongAddr)[2],
((uint8_t *)&macLongAddr)[3],
((uint8_t *)&macLongAddr)[4],
((uint8_t *)&macLongAddr)[5],
((uint8_t *)&macLongAddr)[6],
((uint8_t *)&macLongAddr)[7]
);
#if RF230BB
#if CONVERTTXPOWER
{
uint8_t power=rf230_get_txpower()&0xf;
char sign=(power<6?'+':'-');
char tens=(power>14?'1':'0');
char ones=pgm_read_byte(&txonesdigit[power]);
char tenths=pgm_read_byte(&txtenthsdigit[power]);
PRINTF_P(PSTR(" * Operates on channel %d with TX power %c%c%c.%cdBm\n\r"), rf230_get_channel(),sign,tens,ones,tenths);
}
#else //just show the raw value
PRINTF_P(PSTR(" * Operates on channel %d\n\r"), rf230_get_channel());
PRINTF_P(PSTR(" * TX Power(0=3dBm, 15=-17.2dBm): %d\n\r"), rf230_get_txpower());
#endif
PRINTF_P(PSTR(" * Current/Last RSSI: %d/%ddBm\n\r"), -91+(rf230_rssi()-1), -91+(rf230_last_rssi-1));
#else /* RF230BB */
PRINTF_P(PSTR(" * Operates on channel %d\n\r"), radio_get_operating_channel());
PRINTF_P(PSTR(" * TX Power Level: 0x%02X\n\r"), radio_get_tx_power_level());
{
PRINTF_P(PSTR(" * Current RSSI: "));
int8_t rssi = 0;
if(radio_get_rssi_value(&rssi)==RADIO_SUCCESS)
PRINTF_P(PSTR("%ddB\n\r"), -91+3*(rssi-1));
else
PRINTF_P(PSTR("Unknown\n\r"));
}
#endif /* RF230BB */
PRINTF_P(PSTR(" * Configuration: %d, USB<->ETH is "), usb_configuration_nb);
if (usb_eth_is_active == 0) PRINTF_P(PSTR("not "));
PRINTF_P(PSTR("active\n\r"));
break;
case 'e':
PRINTF_P(PSTR("Energy Scan:\n"));
uart_usb_flush();
{
uint8_t i;
uint16_t j;
#if RF230BB
uint8_t previous_channel = rf230_get_channel();
#else // RF230BB
uint8_t previous_channel = radio_get_operating_channel();
#endif
int8_t RSSI, maxRSSI[17];
uint16_t accRSSI[17];
bzero((void*)accRSSI,sizeof(accRSSI));
bzero((void*)maxRSSI,sizeof(maxRSSI));
for(j=0;j<(1<<12);j++) {
for(i=11;i<=26;i++) {
#if RF230BB
rf230_set_channel(i);
#else // RF230BB
radio_set_operating_channel(i);
#endif
_delay_us(3*10);
#if RF230BB
RSSI = rf230_rssi(); //multiplies rssi register by 3 for consistency with energy-detect register
#else // RF230BB
radio_get_rssi_value(&RSSI);
RSSI*=3;
#endif
maxRSSI[i-11]=Max(maxRSSI[i-11],RSSI);
accRSSI[i-11]+=RSSI;
}
if(j&(1<<7)) {
Led3_on();
if(!(j&((1<<7)-1))) {
PRINTF_P(PSTR("."));
uart_usb_flush();
}
}
else
Led3_off();
watchdog_periodic();
}
#if RF230BB
rf230_set_channel(previous_channel);
#else // RF230BB
radio_set_operating_channel(previous_channel);
#endif
PRINTF_P(PSTR("\n"));
for(i=11;i<=26;i++) {
uint8_t activity=Min(maxRSSI[i-11],accRSSI[i-11]/(1<<7));
PRINTF_P(PSTR(" %d: %02ddB "),i, -91+(maxRSSI[i-11]-1));
for(;activity--;maxRSSI[i-11]--) {
PRINTF_P(PSTR("#"));
}
for(;maxRSSI[i-11]>0;maxRSSI[i-11]--) {
PRINTF_P(PSTR(":"));
}
PRINTF_P(PSTR("\n"));
uart_usb_flush();
}
}
PRINTF_P(PSTR("Done.\n"));
uart_usb_flush();
break;
case 'D':
{
PRINTF_P(PSTR("Entering DFU Mode...\n\r"));
uart_usb_flush();
Leds_on();
for(i = 0; i < 10; i++)_delay_ms(100);
Leds_off();
Jump_To_Bootloader();
}
break;
case 'R':
{
PRINTF_P(PSTR("Resetting...\n\r"));
uart_usb_flush();
Leds_on();
for(i = 0; i < 10; i++)_delay_ms(100);
Usb_detach();
for(i = 0; i < 20; i++)_delay_ms(100);
watchdog_reboot();
}
break;
#if USB_CONF_STORAGE
case 'u':
//Mass storage mode
usb_mode = mass_storage;
//No more serial port
stdout = NULL;
#if USB_CONF_RS232
// usb_stdout = NULL;
#endif
//RNDIS is over
rndis_state = rndis_uninitialized;
Leds_off();
//Deatch USB
Usb_detach();
//Wait a few seconds
for(i = 0; i < 50; i++)
watchdog_periodic();
_delay_ms(100);
//Attach USB
Usb_attach();
break;
#endif
default:
PRINTF_P(PSTR("%c is not a valid option! h for menu\n\r"), c);
break;
}
}
return;
}
/**
@brief This will enable the VCP_TRX_END LED for a period
*/
void vcptx_end_led(void)
{
Led3_on();
led3_timer = 5;
}
/** @} */
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