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This commit is contained in:
Philippe Teuwen 2019-04-05 23:17:16 +02:00
commit 9ff5a4e2fa
1 changed files with 8 additions and 13 deletions
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21
client/ui.c
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@ -21,6 +21,8 @@ bool showDemod = true;
pthread_mutex_t print_lock = PTHREAD_MUTEX_INITIALIZER;
static char *logfilename = "proxmark3.log";
float complex cexpf(float complex Z);
void PrintAndLogOptions(char *str[][2], size_t size, size_t space) {
char buff[2000] = "Options:\n";
char format[2000] = "";
@ -53,7 +55,6 @@ void PrintAndLogEx(logLevel_t level, char *fmt, ...) {
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] = { "", "[+] ", "[=] ", "[-] ", "[!] ", "[!!] ", "[#] "};
@ -101,7 +102,7 @@ void PrintAndLogEx(logLevel_t level, char *fmt, ...) {
while (token != NULL) {
size = strlen(buffer2);
size_t size = strlen(buffer2);
if (strlen(token))
snprintf(buffer2 + size, sizeof(buffer2) - size, "%s%s\n", prefix, token);
@ -210,13 +211,11 @@ void iceIIR_Butterworth(int *data, const size_t len) {
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];
float sample = data[i]; // input sample read from array
float complex x_prime = 1.0f; // save sample for estimating frequency
float complex x;
// remove DC offset and mix to complex baseband
x = (sample - 127.5f) * cexpf(_Complex_I * 2 * M_PI * fc * i);
@ -251,18 +250,14 @@ void iceSimple_Filter(int *data, const size_t len, uint8_t 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;
filter_reg = filter_reg - (filter_reg >> shift) + data[i];
// Scale output for unity gain
output = filter_reg >> shift;
data[i] = output;
data[i] = filter_reg >> shift;
}
}