//-----------------------------------------------------------------------------
// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// UI utilities
//-----------------------------------------------------------------------------
#include "ui.h"
double CursorScaleFactor = 1;
int PlotGridX = 0, PlotGridY = 0, PlotGridXdefault = 64, PlotGridYdefault = 64, CursorCPos = 0, CursorDPos = 0;
bool flushAfterWrite = 0;
int GridOffset = 0;
bool GridLocked = false;
bool showDemod = true;
pthread_mutex_t print_lock = PTHREAD_MUTEX_INITIALIZER;
static char *logfilename = "proxmark3.log";
void PrintAndLogOptions(char *str[][2], size_t size, size_t space) {
char buff[2000] = "Options:\n";
char format[2000] = "";
size_t counts[2] = {0, 0};
for (int i = 0; i < size; i++)
for (int j = 0 ; j < 2 ; j++)
if (counts[j] < strlen(str[i][j])) {
counts[j] = strlen(str[i][j]);
}
for (int i = 0; i < size; i++) {
for (int j = 0; j < 2; j++) {
if (j == 0)
snprintf(format, sizeof(format), "%%%zus%%%zus", space, counts[j]);
else
snprintf(format, sizeof(format), "%%%zus%%-%zus", space, counts[j]);
snprintf(buff + strlen(buff), sizeof(buff) - strlen(buff), format, " ", str[i][j]);
}
if (i < size - 1)
strncat(buff, "\n", sizeof(buff) - strlen(buff) - 1);
}
PrintAndLogEx(NORMAL, "%s", buff);
}
void PrintAndLogEx(logLevel_t level, char *fmt, ...) {
// skip debug messages if client debugging is turned off i.e. 'DATA SETDEBUG 0'
if (g_debugMode == 0 && level == DEBUG)
return;
char prefix[20] = {0};
char buffer[MAX_PRINT_BUFFER] = {0};
char buffer2[MAX_PRINT_BUFFER + 20] = {0};
char *token = NULL;
int size = 0;
// {NORMAL, SUCCESS, INFO, FAILED, WARNING, ERR, DEBUG}
static char *prefixes[7] = { "", "[+] ", "[=] ", "[-] ", "[!] ", "[!!] ", "[#] "};
switch (level) {
case ERR:
strncpy(prefix, _RED_("[!!]"), sizeof(prefix) - 1);
break;
case FAILED:
strncpy(prefix, _RED_("[-]"), sizeof(prefix) - 1);
break;
case DEBUG:
strncpy(prefix, _BLUE_("[#]"), sizeof(prefix) - 1);
break;
case SUCCESS:
strncpy(prefix, _GREEN_("[+]"), sizeof(prefix) - 1);
break;
case WARNING:
strncpy(prefix, _CYAN_("[!]"), sizeof(prefix) - 1);
break;
default:
strncpy(prefix, prefixes[level], sizeof(prefix) - 1);
break;
}
va_list args;
va_start(args, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, args);
va_end(args);
// no prefixes for normal
if (level == NORMAL) {
PrintAndLog("%s", buffer);
return;
}
if (strchr(buffer, '\n')) {
const char delim[2] = "\n";
// line starts with newline
if (buffer[0] == '\n')
PrintAndLog("");
token = strtok(buffer, delim);
while (token != NULL) {
size = strlen(buffer2);
if (strlen(token))
snprintf(buffer2 + size, sizeof(buffer2) - size, "%s%s\n", prefix, token);
else
snprintf(buffer2 + size, sizeof(buffer2) - size, "\n");
token = strtok(NULL, delim);
}
PrintAndLog("%s", buffer2);
} else {
snprintf(buffer2, sizeof(buffer2), "%s%s", prefix, buffer);
PrintAndLog("%s", buffer2);
}
}
void PrintAndLog(char *fmt, ...) {
char *saved_line;
int saved_point;
va_list argptr, argptr2;
static FILE *logfile = NULL;
static int logging = 1;
// lock this section to avoid interlacing prints from different threads
pthread_mutex_lock(&print_lock);
if (logging && !logfile) {
logfile = fopen(logfilename, "a");
if (!logfile) {
fprintf(stderr, "Can't open logfile, logging disabled!\n");
logging = 0;
}
}
// If there is an incoming message from the hardware (eg: lf hid read) in
// the background (while the prompt is displayed and accepting user input),
// stash the prompt and bring it back later.
#ifdef RL_STATE_READCMD
// We are using GNU readline. libedit (OSX) doesn't support this flag.
int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
if (need_hack) {
saved_point = rl_point;
saved_line = rl_copy_text(0, rl_end);
rl_save_prompt();
rl_replace_line("", 0);
rl_redisplay();
}
#endif
va_start(argptr, fmt);
va_copy(argptr2, argptr);
vprintf(fmt, argptr);
printf(" "); // cleaning prompt
va_end(argptr);
printf("\n");
#ifdef RL_STATE_READCMD
// We are using GNU readline. libedit (OSX) doesn't support this flag.
if (need_hack) {
rl_restore_prompt();
rl_replace_line(saved_line, 0);
rl_point = saved_point;
rl_redisplay();
free(saved_line);
}
#endif
if (logging && logfile) {
vfprintf(logfile, fmt, argptr2);
fprintf(logfile, "\n");
fflush(logfile);
}
va_end(argptr2);
if (flushAfterWrite)
fflush(stdout);
//release lock
pthread_mutex_unlock(&print_lock);
}
void SetLogFilename(char *fn) {
logfilename = fn;
}
void SetFlushAfterWrite(bool value) {
flushAfterWrite = value;
}
void iceIIR_Butterworth(int *data, const size_t len) {
int i, j;
int *output = (int *) calloc(sizeof(int) * len, sizeof(uint8_t));
if (!output) return;
// clear mem
memset(output, 0x00, len);
size_t adjustedLen = len;
float fc = 0.1125f; // center frequency
// create very simple low-pass filter to remove images (2nd-order Butterworth)
float complex iir_buf[3] = {0, 0, 0};
float b[3] = {0.003621681514929, 0.007243363029857, 0.003621681514929};
float a[3] = {1.000000000000000, -1.822694925196308, 0.837181651256023};
float sample = 0; // input sample read from array
float complex x_prime = 1.0f; // save sample for estimating frequency
float complex x;
for (i = 0; i < adjustedLen; ++i) {
sample = data[i];
// remove DC offset and mix to complex baseband
x = (sample - 127.5f) * cexpf(_Complex_I * 2 * M_PI * fc * i);
// apply low-pass filter, removing spectral image (IIR using direct-form II)
iir_buf[2] = iir_buf[1];
iir_buf[1] = iir_buf[0];
iir_buf[0] = x - a[1] * iir_buf[1] - a[2] * iir_buf[2];
x = b[0] * iir_buf[0] +
b[1] * iir_buf[1] +
b[2] * iir_buf[2];
// compute instantaneous frequency by looking at phase difference
// between adjacent samples
float freq = cargf(x * conjf(x_prime));
x_prime = x; // retain this sample for next iteration
output[i] = (freq > 0) ? 127 : -127;
}
// show data
//memcpy(data, output, adjustedLen);
for (j = 0; j < adjustedLen; ++j)
data[j] = output[j];
free(output);
}
void iceSimple_Filter(int *data, const size_t len, uint8_t k) {
// ref: http://www.edn.com/design/systems-design/4320010/A-simple-software-lowpass-filter-suits-embedded-system-applications
// parameter K
#define FILTER_SHIFT 4
int32_t filter_reg = 0;
int16_t input, output;
int8_t shift = (k <= 8) ? k : FILTER_SHIFT;
for (int i = 0; i < len; ++i) {
input = data[i];
// Update filter with current sample
filter_reg = filter_reg - (filter_reg >> shift) + input;
// Scale output for unity gain
output = filter_reg >> shift;
data[i] = output;
}
}
float complex cexpf(float complex Z) {
float complex Res;
double rho = exp(__real__ Z);
__real__ Res = rho * cosf(__imag__ Z);
__imag__ Res = rho * sinf(__imag__ Z);
return Res;
}