Commit e263b258 authored by hark's avatar hark

not crashing (and not working) arduino

parent e9bd56fc
ARDUINO_DIR=
USER_LIB_PATH=../libs/
BOARD_TAG=atmega328
ARDUINO_LIBS=RadioHead SPI AESLib Wire LCDI2C_LK162 MemoryFree micro-ecc pagerlib
ARDUINO_LIBS=RadioHead SPI AESLib Wire LCDI2C_LK162 MemoryFree micro-ecc pagerlib LiquidCrystal
include /usr/share/arduino/Arduino.mk
DEVICE_PATH = /dev/ttyUSB2
#DEVICE_PATH = /dev/ttyUSB0
DEVICE_PATH = /tmp/simavr-uart0
TARGET = arduino-rx
#include <stdarg.h>
#include <uECC.h>
#include <AESLib.h>
......@@ -7,49 +8,160 @@
#include <SPI.h> // Not actualy used but needed to compile
#include <string.h>
#include <Wire.h>
#include <LCDI2C_LK162-12.h>
//#include <LCDI2C_LK162-12.h>
#include <MemoryFree.h>
#include <pagerlib.h>
#include <LiquidCrystal.h>
#include <avr/pgmspace.h>
/*
#define NUM_ECC_DIGITS 24 //size of privkey, curvesize in bytes
#define CURVE uECC_secp192r1()
LCDI2C lcd = LCDI2C(2,16,0x50,0);
*/
//LCDI2C lcd = LCDI2C(2,16,0x50,0);
/*
* pagerlib things
*/
aes_context ctx; // context for the cbc crypto stuff
#define ADDRESS 2
#define MESSAGE_SIZE 32
#define PAGER_MESSAGE_SIZE 57
//const uint8_t tx_priv_key[ECC_COMPRESSED_SIZE-1] PROGMEM = {0xB4, 0x15, 0x70, 0x3E, 0xA7, 0x5D, 0x06, 0xF2, 0x33, 0x75, 0x8E, 0xE0, 0x86, 0x1B, 0x73, 0xBE, 0xEC, 0x87, 0x36, 0x0F, 0xF5, 0xE1, 0x79, 0x76, 0x2C, 0x3C, 0x74, 0x69, 0x83, 0x71, 0x07, 0xB5};
//const uint8_t tx_comp_p[ECC_COMPRESSED_SIZE] PROGMEM = {0x02, 0xA3, 0x91, 0x16, 0x71, 0x1E, 0x7B, 0xB2, 0x51, 0x7F, 0xD4, 0xF4, 0xC7, 0x81, 0x49, 0x75, 0x8B, 0x48, 0x75, 0x59, 0x27, 0xC9, 0x94, 0x3F, 0x59, 0xDD, 0xFF, 0x2E, 0x89, 0xE9, 0xD8, 0x1D, 0x2B };
struct pl_keypair *sender, *receiver, *kp;
char clear_message[] = "dit is een test berichtje :) ";
//const char clear_message[] PROGMEM = "Blaat coblaat, dit is een test berichtje :), en nog meer en meer en meer 123456744555 blablablablablablabal jajajajaj hee blaat ";
//const char b64_key[] PROGMEM = "Zs8rZ5EfIpMs2i5Mskq2Nnx0pHhKShirwswQbIAjXxUDkPCKKSD1o+oIF84qwlUk85B1W0lN4AyEtJZNk24HKL8=";
//const char b64_key2[] PROGMEM = "6+owJHKEhmoz1RI3dx+x7JODIjueBOZUmzjxSrmrpZ8COt4Tld6bsa2UlFnt4qDMf/Rz5M60d/wjgXzafEkCg54=";
const char b64_key[] = "Zs8rZ5EfIpMs2i5Mskq2Nnx0pHhKShirwswQbIAjXxUDkPCKKSD1o+oIF84qwlUk85B1W0lN4AyEtJZNk24HKL8=";
const char b64_key2[]= "6+owJHKEhmoz1RI3dx+x7JODIjueBOZUmzjxSrmrpZ8COt4Tld6bsa2UlFnt4qDMf/Rz5M60d/wjgXzafEkCg54=";
RH_ASK driver(2000);
RHDatagram manager(driver, ADDRESS);
uint8_t tx_priv_key[ECC_COMPRESSED_SIZE-1] = {0xB4, 0x15, 0x70, 0x3E, 0xA7, 0x5D, 0x06, 0xF2, 0x33, 0x75, 0x8E, 0xE0, 0x86, 0x1B, 0x73, 0xBE, 0xEC, 0x87, 0x36, 0x0F, 0xF5, 0xE1, 0x79, 0x76, 0x2C, 0x3C, 0x74, 0x69, 0x83, 0x71, 0x07, 0xB5};
uint8_t tx_comp_p[ECC_COMPRESSED_SIZE] = {0x02, 0xA3, 0x91, 0x16, 0x71, 0x1E, 0x7B, 0xB2, 0x51, 0x7F, 0xD4, 0xF4, 0xC7, 0x81, 0x49, 0x75, 0x8B, 0x48, 0x75, 0x59, 0x27, 0xC9, 0x94, 0x3F, 0x59, 0xDD, 0xFF, 0x2E, 0x89, 0xE9, 0xD8, 0x1D, 0x2B };
struct pl_keypair *sender, *receiver;
char clear_message[] = "dit is een test berichtje :) ";
struct pl_ctx * context;
char output[MSG_SIZE] = "outputcharbla" ;
#define LCD
#define RADIO
/*
* hardware things
*/
#define ADDRESS 2
/*
#define MESSAGE_SIZE 32
#define PAGER_MESSAGE_SIZE 57
*/
#ifdef RADIO
RH_ASK driver(2000, 2, 12, 13);
RHDatagram manager(driver, ADDRESS);
#endif
#ifdef LCD
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
// define some values used by the panel and buttons
int lcd_key = 0;
int adc_key_in = 0;
#define btnRIGHT 0
#define btnUP 1
#define btnDOWN 2
#define btnLEFT 3
#define btnSELECT 4
#define btnNONE 5
#endif
void setup()
{
lcd.init();
lcd.println("dit is een pager");
#ifdef LCD
// select the pins used on the LCD panel
lcd.begin(16, 2); // start the library
lcd.setCursor(0,0);
// lcd.print("Push the buttons"); // print a simple message
//pinMode(10, OUTPUT);
//digitalWrite(10, HIGH);
// lcd.init();
lcd.clear();
lcd.print("dit is een pager");
#endif
Serial.begin(9600); // Debugging only
#ifdef RADIO
Serial.println("RX init");
if (!manager.init())
Serial.println("init failed");
#endif
Serial.print("freeMemory()=");
Serial.println(freeMemory());
context = pl_init();
receiver = (struct pl_keypair *) malloc(sizeof(struct pl_keypair));
// receiver = (struct pl_keypair *) malloc(sizeof(struct pl_keypair));
// init pager
// memcpy(receiver->private_key, tx_priv_key, ECC_COMPRESSED_SIZE-1);
// memcpy(receiver->compressed_point, tx_comp_p, ECC_COMPRESSED_SIZE);
#ifdef LCD
lcd.setCursor(0,1);
// create receiver keypair and load in list
lcd.print("*");
#endif
/*
* load the keys from the base64 thingies
*/
receiver = (struct pl_keypair *)malloc(sizeof(struct pl_keypair));
base64_decode((char *)receiver , (char *)&b64_key, (4*sizeof(struct pl_keypair) / 3)) ;
pl_load_key_in_list(context, receiver);
// receiver = pl_create_keypair(context);
//
// create sender keypair
// kp = pl_create_keypair(context);
sender = (struct pl_keypair *)malloc(sizeof(struct pl_keypair));
context->kp = (struct pl_keypair *)malloc(sizeof(struct pl_keypair));
base64_decode((char *)sender , (char *)&b64_key2, (4*sizeof(struct pl_keypair) / 3)) ;
// pl_load_key_in_list(context, kp);
// set default
context->kp = sender;
#ifdef LCD
lcd.clear();
lcd.print("finished making keys");
#endif
}
#ifdef LCD
// read the buttons
int read_LCD_buttons()
{
adc_key_in = analogRead(0); // read the value from the sensor
// my buttons when read are centered at these valies: 0, 144, 329, 504, 741
// we add approx 50 to those values and check to see if we are close
if (adc_key_in > 1000) return btnNONE; // We make this the 1st option for speed reasons since it will be the most likely result
// For V1.1 us this threshold
if (adc_key_in < 50) return btnRIGHT;
if (adc_key_in < 250) return btnUP;
if (adc_key_in < 450) return btnDOWN;
if (adc_key_in < 650) return btnLEFT;
if (adc_key_in < 850) return btnSELECT;
// For V1.0 comment the other threshold and use the one below:
/*
if (adc_key_in < 50) return btnRIGHT;
if (adc_key_in < 195) return btnUP;
if (adc_key_in < 380) return btnDOWN;
if (adc_key_in < 555) return btnLEFT;
if (adc_key_in < 790) return btnSELECT;
*/
}
#endif
void display(char *msg)
{
/* char line1[16];
/* char line1[16];
char line2[16];
for(int i=0; i < MESSAGE_SIZE ; i++){
if(i < 16)
......@@ -57,22 +169,101 @@ void display(char *msg)
else
line2[i-16] = msg[i];
};
*/
lcd.clear();
lcd.println(msg);
*/
//lcd.clear();
//lcd.println(msg);
}
/*
void loop()
{
lcd.setCursor(9,1); // move cursor to second line "1" and 9 spaces over
lcd.print(millis()/1000); // display seconds elapsed since power-up
lcd.setCursor(0,1); // move to the begining of the second line
lcd_key = read_LCD_buttons(); // read the buttons
switch (lcd_key) // depending on which button was pushed, we perform an action
{
case btnRIGHT:
{
lcd.print("RIGHT ");
break;
}
case btnLEFT:
{
lcd.print("LEFT ");
break;
}
case btnUP:
{
lcd.print("UP ");
break;
}
case btnDOWN:
{
lcd.print("DOWN ");
break;
}
case btnSELECT:
{
lcd.print("SELECT");
break;
}
case btnNONE:
{
lcd.print("NONE ");
break;
}
}
}
*/
void loop()
{
memcpy(receiver->private_key, tx_priv_key, ECC_COMPRESSED_SIZE-1);
memcpy(receiver->compressed_point, tx_comp_p, ECC_COMPRESSED_SIZE);
Serial.println("bla\n");
#ifdef LCD
lcd.setCursor(0, 1);
// print the number of seconds since reset:
lcd.print(millis()/100);
#endif
memcpy(context->msg->msg + 8, "bla", MSG_SIZE - 8);
memcpy(&context->msg->msg, clear_message, MSG_SIZE);
// context->kp = kp;
//to who to send the message to (get from kp)
memcpy(&context->receiver_compressed_point, &kp->compressed_point, sizeof(context->receiver_compressed_point));
//get msg with radio
//memcpy(context->msg->msg + 8, "bla", MSG_SIZE - 8);
pl_send_message(context);
context->kp = receiver;
pl_receive_message(context);
Serial.println("decrypted msg:");
Serial.println("crypted message:");
Serial.println(context->msg->msg);
// base64_encode((char *)&output, context->msg->msg, MSG_SIZE);
#ifdef LCD
lcd.clear();
lcd.setCursor(0,0);
lcd.print("crypted message:");
delay(1000);
lcd.clear();
lcd.setCursor(0,0);
lcd.print(context->msg->msg);
#endif
// pl_receive_message(context);
#ifdef LCD
delay(1000);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("decrypted msg:");
lcd.setCursor(0,0);
lcd.println(context->msg->msg);
delay(1000);
lcd.clear();
#endif
}
......@@ -37,6 +37,18 @@ int main() {
f++;
/* create keypairs */
kp = pl_create_keypair(context);
char *kp_b64, *decoded;
// 4*(n/3)
kp_b64 = malloc(4*(sizeof(struct pl_keypair) / 3));
decoded = malloc(sizeof(struct pl_keypair));
base64_encode(kp_b64, kp, sizeof(struct pl_keypair));
printf("base64 keypair: %s \n", kp_b64);
base64_decode(decoded , kp_b64, (4*sizeof(struct pl_keypair) / 3)) ;
pl_load_key_in_list(context, kp);
// set key to use for sending the message (FIXME)
context->kp = kp;
......@@ -48,7 +60,7 @@ int main() {
memcpy(&context->receiver_compressed_point, &kp->compressed_point, sizeof(context->receiver_compressed_point));
pl_send_message(context);
printf("crypted msg: %s",context->msg->msg);
/* receive the msg */
if ( pl_receive_message(context) == 1) {
......
#include "LiquidCrystal.h"
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "Arduino.h"
// When the display powers up, it is configured as follows:
//
// 1. Display clear
// 2. Function set:
// DL = 1; 8-bit interface data
// N = 0; 1-line display
// F = 0; 5x8 dot character font
// 3. Display on/off control:
// D = 0; Display off
// C = 0; Cursor off
// B = 0; Blinking off
// 4. Entry mode set:
// I/D = 1; Increment by 1
// S = 0; No shift
//
// Note, however, that resetting the Arduino doesn't reset the LCD, so we
// can't assume that its in that state when a sketch starts (and the
// LiquidCrystal constructor is called).
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
{
init(0, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
{
init(0, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7);
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
{
init(1, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
{
init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
}
void LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
{
_rs_pin = rs;
_rw_pin = rw;
_enable_pin = enable;
_data_pins[0] = d0;
_data_pins[1] = d1;
_data_pins[2] = d2;
_data_pins[3] = d3;
_data_pins[4] = d4;
_data_pins[5] = d5;
_data_pins[6] = d6;
_data_pins[7] = d7;
pinMode(_rs_pin, OUTPUT);
// we can save 1 pin by not using RW. Indicate by passing 255 instead of pin#
if (_rw_pin != 255) {
pinMode(_rw_pin, OUTPUT);
}
pinMode(_enable_pin, OUTPUT);
if (fourbitmode)
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
else
_displayfunction = LCD_8BITMODE | LCD_1LINE | LCD_5x8DOTS;
begin(16, 1);
}
void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
if (lines > 1) {
_displayfunction |= LCD_2LINE;
}
_numlines = lines;
_currline = 0;
// for some 1 line displays you can select a 10 pixel high font
if ((dotsize != 0) && (lines == 1)) {
_displayfunction |= LCD_5x10DOTS;
}
// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
// according to datasheet, we need at least 40ms after power rises above 2.7V
// before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50
delayMicroseconds(50000);
// Now we pull both RS and R/W low to begin commands
digitalWrite(_rs_pin, LOW);
digitalWrite(_enable_pin, LOW);
if (_rw_pin != 255) {
digitalWrite(_rw_pin, LOW);
}
//put the LCD into 4 bit or 8 bit mode
if (! (_displayfunction & LCD_8BITMODE)) {
// this is according to the hitachi HD44780 datasheet
// figure 24, pg 46
// we start in 8bit mode, try to set 4 bit mode
write4bits(0x03);
delayMicroseconds(4500); // wait min 4.1ms
// second try
write4bits(0x03);
delayMicroseconds(4500); // wait min 4.1ms
// third go!
write4bits(0x03);
delayMicroseconds(150);
// finally, set to 4-bit interface
write4bits(0x02);
} else {
// this is according to the hitachi HD44780 datasheet
// page 45 figure 23
// Send function set command sequence
command(LCD_FUNCTIONSET | _displayfunction);
delayMicroseconds(4500); // wait more than 4.1ms
// second try
command(LCD_FUNCTIONSET | _displayfunction);
delayMicroseconds(150);
// third go
command(LCD_FUNCTIONSET | _displayfunction);
}
// finally, set # lines, font size, etc.
command(LCD_FUNCTIONSET | _displayfunction);
// turn the display on with no cursor or blinking default
_displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF;
display();
// clear it off
clear();
// Initialize to default text direction (for romance languages)
_displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT;
// set the entry mode
command(LCD_ENTRYMODESET | _displaymode);
}
/********** high level commands, for the user! */
void LiquidCrystal::clear()
{
command(LCD_CLEARDISPLAY); // clear display, set cursor position to zero
delayMicroseconds(2000); // this command takes a long time!
}
void LiquidCrystal::home()
{
command(LCD_RETURNHOME); // set cursor position to zero
delayMicroseconds(2000); // this command takes a long time!
}
void LiquidCrystal::setCursor(uint8_t col, uint8_t row)
{
int row_offsets[] = { 0x00, 0x40, 0x14, 0x54 };
if ( row >= _numlines ) {
row = _numlines-1; // we count rows starting w/0
}
command(LCD_SETDDRAMADDR | (col + row_offsets[row]));
}
// Turn the display on/off (quickly)
void LiquidCrystal::noDisplay() {
_displaycontrol &= ~LCD_DISPLAYON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LiquidCrystal::display() {
_displaycontrol |= LCD_DISPLAYON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
// Turns the underline cursor on/off
void LiquidCrystal::noCursor() {
_displaycontrol &= ~LCD_CURSORON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LiquidCrystal::cursor() {
_displaycontrol |= LCD_CURSORON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
// Turn on and off the blinking cursor
void LiquidCrystal::noBlink() {
_displaycontrol &= ~LCD_BLINKON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LiquidCrystal::blink() {
_displaycontrol |= LCD_BLINKON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
// These commands scroll the display without changing the RAM
void LiquidCrystal::scrollDisplayLeft(void) {
command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT);
}
void LiquidCrystal::scrollDisplayRight(void) {
command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT);
}
// This is for text that flows Left to Right
void LiquidCrystal::leftToRight(void) {
_displaymode |= LCD_ENTRYLEFT;
command(LCD_ENTRYMODESET | _displaymode);
}
// This is for text that flows Right to Left
void LiquidCrystal::rightToLeft(void) {
_displaymode &= ~LCD_ENTRYLEFT;
command(LCD_ENTRYMODESET | _displaymode);
}
// This will 'right justify' text from the cursor
void LiquidCrystal::autoscroll(void) {
_displaymode |= LCD_ENTRYSHIFTINCREMENT;
command(LCD_ENTRYMODESET | _displaymode);
}
// This will 'left justify' text from the cursor
void LiquidCrystal::noAutoscroll(void) {
_displaymode &= ~LCD_ENTRYSHIFTINCREMENT;
command(LCD_ENTRYMODESET | _displaymode);
}
// Allows us to fill the first 8 CGRAM locations
// with custom characters
void LiquidCrystal::createChar(uint8_t location, uint8_t charmap[]) {
location &= 0x7; // we only have 8 locations 0-7
command(LCD_SETCGRAMADDR | (location << 3));
for (int i=0; i<8; i++) {
write(charmap[i]);
}
}
/*********** mid level commands, for sending data/cmds */
inline void LiquidCrystal::command(uint8_t value) {
send(value, LOW);
}
inline size_t LiquidCrystal::write(uint8_t value) {
send(value, HIGH);
return 1; // assume sucess
}
/************ low level data pushing commands **********/
// write either command or data, with automatic 4/8-bit selection
void LiquidCrystal::send(uint8_t value, uint8_t mode) {
digitalWrite(_rs_pin, mode);
// if there is a RW pin indicated, set it low to Write
if (_rw_pin != 255) {
digitalWrite(_rw_pin, LOW);
}
if (_displayfunction & LCD_8BITMODE) {
write8bits(value);
} else {
write4bits(value>>4);
write4bits(value);
}
}
void LiquidCrystal::pulseEnable(void) {
digitalWrite(_enable_pin, LOW);
delayMicroseconds(1);