diff --git a/306-controller_interface.X/app/car.h b/306-controller_interface.X/app/car.h
index b81fe60..90edcff 100644
--- a/306-controller_interface.X/app/car.h
+++ b/306-controller_interface.X/app/car.h
@@ -85,9 +85,28 @@ typedef struct {
     uint32_t center;    // 
     uint32_t position;  // 
     uint8_t speed;      // 100m/h
+    bool brake;
+    uint8_t powerMode; // 0: eco - 1: normal - 2: race
+    /*
+     * 0 - ECO MODE
+     * Eco mod limit to 1/2 of the maximal current. 
+     * Position is 1/2 of the maximal angle
+     * 
+     * 1 - NORMAL MODE
+     * Standard ramp for normal mode
+     * Position is limited to 3/4 of the maximal 
+     * 
+     * 2 - RACE MODE
+     * 
+     * 
+     */
 } KART_VAR_TYPE;
 KART_VAR_TYPE eKart;
 
+uint8_t exp[100];
+uint8_t log[100];
+
+
 
 #endif	/* CAR_H */
 
diff --git a/306-controller_interface.X/app/kartculator.c b/306-controller_interface.X/app/kartculator.c
index 298cbcd..1895a24 100644
--- a/306-controller_interface.X/app/kartculator.c
+++ b/306-controller_interface.X/app/kartculator.c
@@ -12,6 +12,112 @@ void deadJoystick(void* p){
     eKart.position = eKart.center;
 }
 
+void initRamp() {
+    exp[0] = 0;
+    exp[1] = 0;
+    exp[2] = 0;
+    exp[3] = 0;
+    exp[4] = 0;
+    exp[5] = 0;
+    exp[6] = 0;
+    exp[7] = 0;
+    exp[8] = 0;
+    exp[9] = 0;
+    exp[10] = 1;
+    exp[11] = 1;
+    exp[12] = 1;
+    exp[13] = 1;
+    exp[14] = 1;
+    exp[15] = 1;
+    exp[16] = 1;
+    exp[17] = 1;
+    exp[18] = 1;
+    exp[19] = 1;
+    exp[20] = 1;
+    exp[21] = 2;
+    exp[22] = 2;
+    exp[23] = 2;
+    exp[24] = 2;
+    exp[25] = 2;
+    exp[26] = 2;
+    exp[27] = 2;
+    exp[28] = 2;
+    exp[29] = 3;
+    exp[30] = 3;
+    exp[31] = 3;
+    exp[32] = 3;
+    exp[33] = 3;
+    exp[34] = 4;
+    exp[35] = 4;
+    exp[36] = 4;
+    exp[37] = 4;
+    exp[38] = 5;
+    exp[39] = 5;
+    exp[40] = 5;
+    exp[41] = 6;
+    exp[42] = 6;
+    exp[43] = 6;
+    exp[44] = 7;
+    exp[45] = 7;
+    exp[46] = 7;
+    exp[47] = 8;
+    exp[48] = 8;
+    exp[49] = 9;
+    exp[50] = 9;
+    exp[51] = 10;
+    exp[52] = 10;
+    exp[53] = 11;
+    exp[54] = 11;
+    exp[55] = 12;
+    exp[56] = 12;
+    exp[57] = 13;
+    exp[58] = 14;
+    exp[59] = 14;
+    exp[60] = 15;
+    exp[61] = 16;
+    exp[62] = 16;
+    exp[63] = 17;
+    exp[64] = 18;
+    exp[65] = 19;
+    exp[66] = 20;
+    exp[67] = 21;
+    exp[68] = 22;
+    exp[69] = 23;
+    exp[70] = 24;
+    exp[71] = 25;
+    exp[72] = 27;
+    exp[73] = 28;
+    exp[74] = 29;
+    exp[75] = 31;
+    exp[76] = 32;
+    exp[77] = 34;
+    exp[78] = 36;
+    exp[79] = 37;
+    exp[80] = 39;
+    exp[81] = 41;
+    exp[82] = 43;
+    exp[83] = 45;
+    exp[84] = 47;
+    exp[85] = 50;
+    exp[86] = 52;
+    exp[87] = 54;
+    exp[88] = 57;
+    exp[89] = 60;
+    exp[90] = 63;
+    exp[91] = 66;
+    exp[92] = 69;
+    exp[93] = 72;
+    exp[94] = 76;
+    exp[95] = 79;
+    exp[96] = 83;
+    exp[97] = 87;
+    exp[98] = 91;
+    exp[99] = 95;
+    exp[100] = 100;
+
+    log[0] = 0;
+}
+
 void calcTorque(uint8_t joy_pos) {
     int32_t calcTorque;
     static int8_t lastPos = 0;