// variables\r
char logHexFileName[200] = {0x00};\r
static uint8_t traceCard[4096] = {0x00};\r
-static char traceFileName[20];\r
+static char traceFileName[200] = {0};\r
static int traceState = TRACE_IDLE;\r
static uint8_t traceCurBlock = 0;\r
static uint8_t traceCurKey = 0;\r