phone.c: Replace defines with enum
diff --git a/firmware/simtrace_src/phone.c b/firmware/simtrace_src/phone.c
index 7fc5e09..96e373b 100644
--- a/firmware/simtrace_src/phone.c
+++ b/firmware/simtrace_src/phone.c
@@ -111,18 +111,21 @@
#define USART_SEND 0
#define USART_RCV 1
-#define NONE 9
-#define RST_RCVD 10
-#define WAIT_CMD_PHONE 11
-#define WAIT_CMD_PC 12
-#define WAIT_ATR 13
+enum states{
+ NONE = 9,
+ RST_RCVD = 10,
+ WAIT_CMD_PHONE = 11,
+ WAIT_CMD_PC = 12,
+ WAIT_ATR = 13,
+};
+
/*-----------------------------------------------------------------------------
* Internal variables
*-----------------------------------------------------------------------------*/
/** Variable for state of send and receive froom USART */
static uint8_t StateUsartGlobal = USART_RCV;
-static uint32_t state;
+static enum states state;
extern uint8_t rcvdChar;
extern volatile uint8_t timeout_occured;