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add verification data was entered-lf em 4x05 write

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This commit is contained in:
marshmellow42 2017-03-31 12:52:30 -04:00
commit 6a772a1273
1 changed files with 9 additions and 1 deletions
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10
client/cmdlfem4x.c
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@ -914,6 +914,9 @@ int usage_lf_em_write(void) {
return 0; return 0;
} }
// note: em4x05 doesn't have a way to invert data output so we must invert the data prior to writing
// it if invertion is needed. (example FSK2a vs FSK)
// also em4x05 requires swapping word data when compared to the data used for t55xx chips.
int EM4x05WriteWord(uint8_t addr, uint32_t data, uint32_t pwd, bool usePwd, bool swap, bool invert) { int EM4x05WriteWord(uint8_t addr, uint32_t data, uint32_t pwd, bool usePwd, bool swap, bool invert) {
if (swap) data = SwapBits(data, 32); if (swap) data = SwapBits(data, 32);
@ -962,7 +965,7 @@ int CmdEM4x05WriteWord(const char *Cmd) {
bool swap = false; bool swap = false;
bool invert = false; bool invert = false;
uint8_t addr = 16; // default to invalid address uint8_t addr = 16; // default to invalid address
bool gotData = false;
char cmdp = 0; char cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00) while(param_getchar(Cmd, cmdp) != 0x00)
{ {
@ -979,6 +982,7 @@ int CmdEM4x05WriteWord(const char *Cmd) {
case 'd': case 'd':
case 'D': case 'D':
data = param_get32ex(Cmd, cmdp+1, 0, 16); data = param_get32ex(Cmd, cmdp+1, 0, 16);
gotData = true;
cmdp += 2; cmdp += 2;
break; break;
case 'i': case 'i':
@ -1013,6 +1017,10 @@ int CmdEM4x05WriteWord(const char *Cmd) {
if ( strlen(Cmd) == 0 ) return usage_lf_em_write(); if ( strlen(Cmd) == 0 ) return usage_lf_em_write();
if (!gotData) {
PrintAndLog("You must enter the data you want to write");
return usage_lf_em_write();
}
return EM4x05WriteWord(addr, data, pwd, usePwd, swap, invert); return EM4x05WriteWord(addr, data, pwd, usePwd, swap, invert);
} }