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LF: rework internal APIs

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This commit is contained in:
Philippe Teuwen
2020-09-28 11:50:20 +02:00
parent 74050af8c2
commit dfb7eaf061
51 changed files with 468 additions and 387 deletions
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56
client/src/cmdlfem4x.c
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@@ -390,15 +390,14 @@ int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo) {
return PM3_SUCCESS;
}
int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) {
int AskEm410xDemod(int clk, int invert, int maxErr, size_t maxLen, bool amplify, uint32_t *hi, uint64_t *lo, bool verbose) {
bool st = true;
// em410x simulation etc uses 0/1 as signal data. This must be converted in order to demod it back again
if (isGraphBitstream()) {
convertGraphFromBitstream();
}
if (ASKDemod_ext(Cmd, false, false, 1, &st) != PM3_SUCCESS)
if (ASKDemod_ext(clk, invert, maxErr, maxLen, amplify, false, false, 1, &st) != PM3_SUCCESS)
return PM3_ESOFT;
return AskEm410xDecode(verbose, hi, lo);
}
@@ -423,14 +422,27 @@ static int CmdEM410xWatch(const char *Cmd) {
//takes 3 arguments - clock, invert and maxErr as integers
//attempts to demodulate ask while decoding manchester
//prints binary found and saves in graphbuffer for further commands
int demodEM410x(bool verbose) {
(void) verbose; // unused so far
uint32_t hi = 0;
uint64_t lo = 0;
return AskEm410xDemod(0, 0, 100, 0, false, &hi, &lo, true);
}
static int CmdEM410xDemod(const char *Cmd) {
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) > 10 || cmdp == 'h') return usage_lf_em410x_demod();
uint32_t hi = 0;
uint64_t lo = 0;
if (AskEm410xDemod(Cmd, &hi, &lo, true) != PM3_SUCCESS)
int clk = 0;
int invert = 0;
int maxErr = 100;
size_t maxLen = 0;
char amp = tolower(param_getchar(Cmd, 0));
sscanf(Cmd, "%i %i %i %zu %c", &clk, &invert, &maxErr, &maxLen, &amp);
bool amplify = amp == 'a';
if (AskEm410xDemod(clk, invert, maxErr, maxLen, amplify, &hi, &lo, true) != PM3_SUCCESS)
return PM3_ESOFT;
g_em410xid = lo;
@@ -439,8 +451,20 @@ static int CmdEM410xDemod(const char *Cmd) {
// this read is the "normal" read, which download lf signal and tries to demod here.
static int CmdEM410xRead(const char *Cmd) {
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) > 10 || cmdp == 'h') return usage_lf_em410x_demod();
uint32_t hi = 0;
uint64_t lo = 0;
int clk = 0;
int invert = 0;
int maxErr = 100;
size_t maxLen = 0;
char amp = tolower(param_getchar(Cmd, 0));
sscanf(Cmd, "%i %i %i %zu %c", &clk, &invert, &maxErr, &maxLen, &amp);
bool amplify = amp == 'a';
lf_read(false, 12288);
return CmdEM410xDemod(Cmd);
return AskEm410xDemod(clk, invert, maxErr, maxLen, amplify, &hi, &lo, true);
}
// emulate an EM410X tag
@@ -735,7 +759,7 @@ static bool detectFSK(void) {
return false;
}
// demod
int ans = FSKrawDemod("0 0", false);
int ans = FSKrawDemod(0, 0, 0, 0, false);
if (ans != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: FSK Demod failed");
return false;
@@ -751,12 +775,12 @@ static bool detectPSK(void) {
}
//demod
//try psk1 -- 0 0 6 (six errors?!?)
ans = PSKDemod("0 0 6", false);
ans = PSKDemod(0, 0, 6, false);
if (ans != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: PSK1 Demod failed");
//try psk1 inverted
ans = PSKDemod("0 1 6", false);
ans = PSKDemod(0, 1, 6, false);
if (ans != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: PSK1 inverted Demod failed");
return false;
@@ -769,7 +793,7 @@ static bool detectPSK(void) {
// try manchester - NOTE: ST only applies to T55x7 tags.
static bool detectASK_MAN(void) {
bool stcheck = false;
if (ASKDemod_ext("0 0 0", false, false, 1, &stcheck) != PM3_SUCCESS) {
if (ASKDemod_ext(0, 0, 0, 0, false, false, false, 1, &stcheck) != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: ASK/Manchester Demod failed");
return false;
}
@@ -777,11 +801,11 @@ static bool detectASK_MAN(void) {
}
static bool detectASK_BI(void) {
int ans = ASKbiphaseDemod("0 0 1", false);
int ans = ASKbiphaseDemod(0, 0, 1, 50, false);
if (ans != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: ASK/biphase normal demod failed");
ans = ASKbiphaseDemod("0 1 1", false);
ans = ASKbiphaseDemod(0, 1, 1, 50, false);
if (ans != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: ASK/biphase inverted demod failed");
return false;
@@ -790,11 +814,11 @@ static bool detectASK_BI(void) {
return true;
}
static bool detectNRZ(void) {
int ans = NRZrawDemod("0 0 1", false);
int ans = NRZrawDemod(0, 0, 1, false);
if (ans != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: NRZ normal demod failed");
ans = NRZrawDemod("0 1 1", false);
ans = NRZrawDemod(0, 1, 1, false);
if (ans != PM3_SUCCESS) {
PrintAndLogEx(DEBUG, "DEBUG: Error - EM: NRZ inverted demod failed");
return false;
@@ -1411,7 +1435,3 @@ int CmdLFEM4X(const char *Cmd) {
clearCommandBuffer();
return CmdsParse(CommandTable, Cmd);
}
int demodEM410x(void) {
return CmdEM410xDemod("");
}