diff --git a/motorDriver.c b/motorDriver.c
index 00671e1..7155a5b 100644
--- a/motorDriver.c
+++ b/motorDriver.c
@@ -12,16 +12,16 @@
 const uchar MD_CS = BIT3;
 
 // register 0x00 GCINF
-#define MD_GCONF 0X00
+#define MD_GCONF 0x00
 #define MD_GCONF_singgelMotor   BIT00
 #define MD_GCONF_stepdir1Enable BIT01
 #define MD_GCONF_stepdir2Enable BIT02
 #define MD_GCONF_motor1Revers   BIT08
-#define MD_GCONF_motor1Revers   BIT09
+#define MD_GCONF_motor2Revers   BIT09
 #define MD_GCONF_lockGCONF      BIT10
 
 // register 0x01 GSTAT
-#define MD_GSTAT 0X01
+#define MD_GSTAT 0x01
 #define MD_GSTAT_recet    BIT00
 #define MD_GSTAT_drv_err1 BIT01
 #define MD_GSTAT_drv_err2 BIT02
@@ -35,8 +35,8 @@ const uchar MD_CS = BIT3;
 #define md_IHIR_iHoldDelay 16 // 4
 
 // register 0x6C, 7C CHOPCONF
-#define MD_CC1 0X6C
-#define MD_CC2 0X7C
+#define MD_CC1 0x6C
+#define MD_CC2 0x7C
 #define MD_CC_shortProtection   0x40000000
 #define MD_CC_doubbleEdge       0x20000000
 #define MD_CC_16ustapI          0x10000000
@@ -61,7 +61,7 @@ const uchar MD_CS = BIT3;
 #define MD_CC_toff              0 // 4 bits
 
 enum bool MDStatus(){
-  unsigned long stat = MD_read(MD_GSTAT);
+  ulong stat = MD_read(MD_GSTAT);
   if(stat != 0){
     if(stat == 0x1){ // only a recet has occert
       // restart the motor driver
@@ -96,7 +96,7 @@ void MD_write(uchar addr, ulong data) {
 }
 
 
-unsigned long MD_read(uchar addr) {
+ulong MD_read(uchar addr) {
   char i;
   ulong data;
 
@@ -130,9 +130,9 @@ void MDInit(){
 
   MDStatus();
 
-  MD_write(MD_GCONF, MD_GCONF_stepdir2Enable | MD_GCONF_stepdir1Enable);
-  MD_write(MD_CC1, 3ul<<MD_CC_toff | (4ul<<MD_CC_hstrt) | (1ul<<MD_CC_hend) | (2ul<<MD_CC_tbl) | MC_CC_FULLSTEP | MD_CC_16ustapI);
-  MD_write(MD_CC2, 3ul<<MD_CC_toff | (4ul<<MD_CC_hstrt) | (1ul<<MD_CC_hend) | (2ul<<MD_CC_tbl) | MC_CC_FULLSTEP | MD_CC_16ustapI);
+  MD_write(MD_GCONF, MD_GCONF_stepdir2Enable | MD_GCONF_stepdir1Enable | MD_GCONF_motor2Revers);
+  MD_write(MD_CC1, 3ul<<MD_CC_toff | (4ul<<MD_CC_hstrt) | (1ul<<MD_CC_hend) | (2ul<<MD_CC_tbl) | MC_CC_16US | MD_CC_16ustapI);
+  MD_write(MD_CC2, 3ul<<MD_CC_toff | (4ul<<MD_CC_hstrt) | (1ul<<MD_CC_hend) | (2ul<<MD_CC_tbl) | MC_CC_16US | MD_CC_16ustapI);
   MD_write(MD_IHIR1, 10ul<<MD_IHIR_iHold | 31ul<<MD_IHIR_iRun | 6ul<<md_IHIR_iHoldDelay);
   MD_write(MD_IHIR2, 10ul<<MD_IHIR_iHold | 31ul<<MD_IHIR_iRun | 6ul<<md_IHIR_iHoldDelay);