int hex2(uint8_t **buffer, uint8_t *value)
{
uint8_t v;
if ((hex1(buffer, &v)) < 0) {
return -1;
}
*(value) = (v << 4);
if ((hex1(buffer, &v)) < 0) {
return -1;
}
*(value) |= v;
return 0;
}
static int parse_hex_color(color_t c, const char *s)
{
if (*s == '#')
s ++;
uint8_t h[2*COLOR_COUNT];
unsigned i = 0;
while (i < 2*COLOR_COUNT)
{
int8_t x = hex1(s[i]);
if (x < 0)
break;
h[i++] = x;
}
if (i >= 2*COLOR_COUNT)
{
for_color (i)
c[i] = h[2*i] << 4 | h[2*i+1];
return 2*COLOR_COUNT;
}
if (i >= COLOR_COUNT)
{
for_color (i)
c[i] = h[i] << 4 | h[i];
return COLOR_COUNT;
}
return -1;
}
// File Operation Example
void file_ex () {
// Degree 163 Binary Field from fips186-2
use_NIST_B_163 ();
EC_Domain_Parameters dp = NIST_B_163;
ECPrivKey privKeyA (dp, OS2IP(SHA1("A's password")));
ECPubKey pubKeyA (privKeyA);
DER derA1 (pubKeyA);
std::ofstream key_outfile ("pubKeyA.key", std::ios::binary);
if (!key_outfile) {
std::cout << "Error can't open file!\n";
return;
}
key_outfile << derA1;
key_outfile.close();
std::ifstream key_infile ("pubKeyA.key", std::ios::binary);
if (!key_infile) {
std::cout << "Error can't open file!\n";
return;
}
OCTETSTR derA2_v;
char c; OCTET o;
while (key_infile.get (c)) {
o = (unsigned char)c;
derA2_v.push_back (o);
}
std::cout << std::endl;
key_infile.close();
DER derA2 (derA2_v);
HexEncoder hex1 (derA1);
HexEncoder hex2 (derA2);
std::cout << "derA1: " << hex1 << std::endl;
std::cout << "derA2: " << hex2 << std::endl;
if (!(derA1.v == derA2.v)) {
std::cout << "Error\n";
return;
} else {
std::cout << "OK\n";
}
return;
}
void loop() {
static int8_t value=0;
uint8_t n;
// blink LED
for(n=0; n<3; n++)
{
ledOn();
delay(200);
ledOff();
delay(200);
}
uint8_t row,col;
// display row an colun test
initDisplay();
for(row=0; row<5; row++)
{
for(col=0; col<7; col++)
{
setRow(row);
setCol(col);
delay(100);
}
}
// show hello
_putchar('H');
showMatrix(200);
_putchar('E');
showMatrix(200);
_putchar('L');
showMatrix(400);
_putchar('O');
showMatrix(200);
//**************** key display example ***************************
do
{
n=_getchar();
value=getKey();
_putchar(n);
showLeds(value);
}
while(n!='i');
//**************** key sound display example ***************************
tone(CH2_SPEAKERPIN, frequencyTable[0],50);
do
{
n=_getchar();
value=getKey();
tone(CH2_SPEAKERPIN, frequencyTable[value],50);
delay(50);
_putchar(n);
showLeds(value);
}
while(n!='i');
// key code test
do
{
n=scanKey();
//initDisplay();
//setCol(0);
//setRowPattern(n);
if(n<0x10) hex1(n);
else _putchar('n');
showLeds(n);
showMatrix(100);
//delay(1000);
} while(n!=HASHKEY);
}
