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Rework Cmd exposed API, use more static and fix [-Wmissing-prototypes], ongoing...

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Philippe Teuwen 2019-04-12 00:38:54 +02:00
commit 7d48ad19f9
42 changed files with 865 additions and 872 deletions
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79
client/cmdlfparadox.c
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@ -37,43 +37,6 @@ static int usage_lf_paradox_sim(void) {
return 0;
}
// loop to get raw paradox waveform then FSK demodulate the TAG ID from it
int detectParadox(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx) {
//make sure buffer has data
if (*size < 96 * 50) return -1;
if (getSignalProperties()->isnoise) return -2;
// FSK demodulator
*size = fskdemod(dest, *size, 50, 1, 10, 8, waveStartIdx); // paradox fsk2a
//did we get a good demod?
if (*size < 96) return -3;
// 00001111 bit pattern represent start of frame, 01 pattern represents a 0 and 10 represents a 1
size_t startIdx = 0;
uint8_t preamble[] = {0, 0, 0, 0, 1, 1, 1, 1};
if (!preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx))
return -4; //preamble not found
size_t numStart = startIdx + sizeof(preamble);
// final loop, go over previously decoded FSK data and manchester decode into usable tag ID
for (size_t idx = numStart; (idx - numStart) < *size - sizeof(preamble); idx += 2) {
if (dest[idx] == dest[idx + 1])
return -5; //not manchester data
*hi2 = (*hi2 << 1) | (*hi >> 31);
*hi = (*hi << 1) | (*lo >> 31);
//Then, shift in a 0 or one into low
*lo <<= 1;
if (dest[idx] && !dest[idx + 1]) // 1 0
*lo |= 1;
else // 0 1
*lo |= 0;
}
return (int)startIdx;
}
//by marshmellow
//Paradox Prox demod - FSK2a RF/50 with preamble of 00001111 (then manchester encoded)
//print full Paradox Prox ID and some bit format details if found
@ -204,3 +167,45 @@ int CmdHelp(const char *Cmd) {
CmdsHelp(CommandTable);
return 0;
}
// loop to get raw paradox waveform then FSK demodulate the TAG ID from it
int detectParadox(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx) {
//make sure buffer has data
if (*size < 96 * 50) return -1;
if (getSignalProperties()->isnoise) return -2;
// FSK demodulator
*size = fskdemod(dest, *size, 50, 1, 10, 8, waveStartIdx); // paradox fsk2a
//did we get a good demod?
if (*size < 96) return -3;
// 00001111 bit pattern represent start of frame, 01 pattern represents a 0 and 10 represents a 1
size_t startIdx = 0;
uint8_t preamble[] = {0, 0, 0, 0, 1, 1, 1, 1};
if (!preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx))
return -4; //preamble not found
size_t numStart = startIdx + sizeof(preamble);
// final loop, go over previously decoded FSK data and manchester decode into usable tag ID
for (size_t idx = numStart; (idx - numStart) < *size - sizeof(preamble); idx += 2) {
if (dest[idx] == dest[idx + 1])
return -5; //not manchester data
*hi2 = (*hi2 << 1) | (*hi >> 31);
*hi = (*hi << 1) | (*lo >> 31);
//Then, shift in a 0 or one into low
*lo <<= 1;
if (dest[idx] && !dest[idx + 1]) // 1 0
*lo |= 1;
else // 0 1
*lo |= 0;
}
return (int)startIdx;
}
int demodParadox(void) {
return CmdParadoxDemod("");
}