Merge pull request #140 from McEloff/fix_ev1_counters

BugFix: incorrect NTAG/EV1 increment counter value
iceman1001 · Sep 10, 2019 · 857063e · 857063e
2 parents 90abdd1 + 0d3327d
commit 857063e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Firmware/ChameleonMini/Application/MifareUltralight.c b/Firmware/ChameleonMini/Application/MifareUltralight.c
@@ -386,7 +386,7 @@ static uint16_t AppProcess(uint8_t* const Buffer, uint16_t ByteCount)
 
             case CMD_INCREMENT_CNT: {
                 uint8_t CounterId = Buffer[1];
-                uint32_t Addend = (Buffer[0]) | (Buffer[1] << 8) | ((uint32_t)Buffer[2] << 16);
+                uint32_t Addend = ((uint32_t)Buffer[2]) | ((uint32_t)Buffer[3] << 8) | ((uint32_t)Buffer[4] << 16);
                 uint32_t Counter = 0;
                 /* Validation */
                 if (CounterId > CNT_MAX) {