fatboyslim / Mbed 2 deprecated bouncesinglecam

Dependencies:   FRDM-TFC mbed

Committer:
bbbobbbieo
Date:
Thu Mar 26 19:01:48 2015 +0000
Revision:
10:761333231e50
Parent:
9:c4a2a99b61e0
Child:
11:e04dc2090433
fixed crazy acceleration

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bbbobbbieo 0:bf39986ebff7 1 //#include "mbed.h"
bbbobbbieo 0:bf39986ebff7 2 #include "TFC.h"
bbbobbbieo 0:bf39986ebff7 3 #include <iostream>
bbbobbbieo 0:bf39986ebff7 4 #include <stdio.h>
bbbobbbieo 0:bf39986ebff7 5 //#include "serialib.h"
bbbobbbieo 0:bf39986ebff7 6
bbbobbbieo 0:bf39986ebff7 7 const float AGGRESSIVE = .55;
mperella 8:2a238dbd0386 8 const float MODERATE =.45;
bbbobbbieo 2:5eb97170c199 9 const float CONSERVATIVE =.39;
bbbobbbieo 0:bf39986ebff7 10 const float STOP =0;
bbbobbbieo 0:bf39986ebff7 11 const float PROTECTION_THRESHOLD_UPPER =.7;
bbbobbbieo 0:bf39986ebff7 12 const float PROTECTION_THRESHOLD_LOWER =-.7;
bbbobbbieo 0:bf39986ebff7 13 const float TURN_FORWARD_ACCEL =0.045;
bbbobbbieo 0:bf39986ebff7 14 const float TURN_BACKWARD_ACCEL =0.025;
bbbobbbieo 0:bf39986ebff7 15 const float SERVO_CAN_MOVE_IN_ONE_FRAME =0.1;
bbbobbbieo 0:bf39986ebff7 16 const float SERVO_MAX =.5;
bbbobbbieo 0:bf39986ebff7 17
bbbobbbieo 0:bf39986ebff7 18 const int BLACK_THRESHOLD =63;
bbbobbbieo 0:bf39986ebff7 19 const int LINE_SCAN_LENGTH =128;
bbbobbbieo 0:bf39986ebff7 20
bbbobbbieo 0:bf39986ebff7 21
bbbobbbieo 0:bf39986ebff7 22 DigitalOut myled(LED1);
bbbobbbieo 0:bf39986ebff7 23
bbbobbbieo 0:bf39986ebff7 24 int main()
bbbobbbieo 0:bf39986ebff7 25 {
bbbobbbieo 0:bf39986ebff7 26 //run this before anything
bbbobbbieo 0:bf39986ebff7 27 TFC_Init();
bbbobbbieo 0:bf39986ebff7 28
bbbobbbieo 0:bf39986ebff7 29 //variables
bbbobbbieo 0:bf39986ebff7 30 float current_servo_position = 0;
bbbobbbieo 0:bf39986ebff7 31 float previous_servo_position = 0;
bbbobbbieo 0:bf39986ebff7 32 float current_left_motor_speed = 0;
bbbobbbieo 0:bf39986ebff7 33 float current_right_motor_speed = 0;
bbbobbbieo 0:bf39986ebff7 34
bbbobbbieo 0:bf39986ebff7 35 float proportional = 0;
bbbobbbieo 0:bf39986ebff7 36 float last_proportional = 0;
bbbobbbieo 0:bf39986ebff7 37 float integral = 0;
bbbobbbieo 0:bf39986ebff7 38 float derivative = 0;
bbbobbbieo 0:bf39986ebff7 39 float output = 0;
bbbobbbieo 0:bf39986ebff7 40
bbbobbbieo 0:bf39986ebff7 41 // gains on prop, int, der
bbbobbbieo 0:bf39986ebff7 42 // subject to change, need to fine tune
bbbobbbieo 0:bf39986ebff7 43 float kp = 1.8960;
bbbobbbieo 0:bf39986ebff7 44 float ki = 0.6170;
bbbobbbieo 0:bf39986ebff7 45 float kd = 1.5590;
bbbobbbieo 0:bf39986ebff7 46
bbbobbbieo 0:bf39986ebff7 47 bool rear_motor_enable_flag = true;
bbbobbbieo 0:bf39986ebff7 48 bool linescan_ping_pong = false;
bbbobbbieo 0:bf39986ebff7 49 bool linescan_enable = true;
bbbobbbieo 0:bf39986ebff7 50
bbbobbbieo 0:bf39986ebff7 51 int black_values_list[LINE_SCAN_LENGTH];
bbbobbbieo 0:bf39986ebff7 52 int black_value_count = 0;
bbbobbbieo 0:bf39986ebff7 53 int black_center_value = 0;
bbbobbbieo 0:bf39986ebff7 54 int sum_black = 0;
bbbobbbieo 0:bf39986ebff7 55 int violence_level = 0;
bbbobbbieo 0:bf39986ebff7 56
bbbobbbieo 0:bf39986ebff7 57 int accelList[3];
bbbobbbieo 0:bf39986ebff7 58 int lastAccessed = 0;
bbbobbbieo 0:bf39986ebff7 59
bbbobbbieo 0:bf39986ebff7 60 int centers_List[50];
bbbobbbieo 0:bf39986ebff7 61
bbbobbbieo 0:bf39986ebff7 62 int center_now = 63;
bbbobbbieo 0:bf39986ebff7 63 int center_past_1 = 63;
bbbobbbieo 0:bf39986ebff7 64 int center_past_2 = 63;
bbbobbbieo 0:bf39986ebff7 65 int center_past_3 = 63;
bbbobbbieo 0:bf39986ebff7 66 int center_past_4 = 63;
bbbobbbieo 0:bf39986ebff7 67 //int best_guess_center = 64;
bbbobbbieo 0:bf39986ebff7 68
bbbobbbieo 0:bf39986ebff7 69 int position = 0;
bbbobbbieo 0:bf39986ebff7 70 int set_point = 63;
bbbobbbieo 0:bf39986ebff7 71 int previous_error = 0;
bbbobbbieo 0:bf39986ebff7 72 int error = 0;
mperella 8:2a238dbd0386 73
mperella 8:2a238dbd0386 74 float increment = 0;
mperella 8:2a238dbd0386 75 int right_turn_count = 0;
mperella 8:2a238dbd0386 76 int left_turn_count = 0;
bbbobbbieo 0:bf39986ebff7 77
bbbobbbieo 0:bf39986ebff7 78 for(int i = 0; i < 50; i++)
bbbobbbieo 0:bf39986ebff7 79 centers_List[i] = 63;
bbbobbbieo 0:bf39986ebff7 80
bbbobbbieo 0:bf39986ebff7 81 float left_counter =0;
bbbobbbieo 0:bf39986ebff7 82 float right_counter =0;
bbbobbbieo 0:bf39986ebff7 83 bool turn_left=false;
bbbobbbieo 0:bf39986ebff7 84 bool turn_right=false;
bbbobbbieo 7:f21986164bf1 85 bool need_decel=false;
bbbobbbieo 9:c4a2a99b61e0 86 int num_of_straight =0;
bbbobbbieo 0:bf39986ebff7 87
bbbobbbieo 6:ed97e4324202 88 //servo is offset zero by some bullshit number
bbbobbbieo 3:e14a4ea167ca 89 float bullshit_offset = .074;
bbbobbbieo 0:bf39986ebff7 90
bbbobbbieo 0:bf39986ebff7 91 // major loop
bbbobbbieo 0:bf39986ebff7 92 while(1) {
bbbobbbieo 0:bf39986ebff7 93
bbbobbbieo 0:bf39986ebff7 94 // initial motor stuff
bbbobbbieo 0:bf39986ebff7 95 if(rear_motor_enable_flag) {
bbbobbbieo 0:bf39986ebff7 96 TFC_HBRIDGE_ENABLE;
bbbobbbieo 0:bf39986ebff7 97
bbbobbbieo 0:bf39986ebff7 98
bbbobbbieo 0:bf39986ebff7 99 // checking behavior level
bbbobbbieo 0:bf39986ebff7 100 violence_level = int(TFC_GetDIP_Switch());
bbbobbbieo 0:bf39986ebff7 101
bbbobbbieo 0:bf39986ebff7 102 if (violence_level==3) {
bbbobbbieo 0:bf39986ebff7 103 current_left_motor_speed = -(AGGRESSIVE);
bbbobbbieo 0:bf39986ebff7 104 current_right_motor_speed = AGGRESSIVE;
mperella 8:2a238dbd0386 105 increment = 0.02;
bbbobbbieo 0:bf39986ebff7 106 }
bbbobbbieo 0:bf39986ebff7 107 else if (violence_level==2) {
bbbobbbieo 0:bf39986ebff7 108 current_left_motor_speed = -(MODERATE);
bbbobbbieo 0:bf39986ebff7 109 current_right_motor_speed = (MODERATE);
mperella 8:2a238dbd0386 110 increment = 0.03;
bbbobbbieo 0:bf39986ebff7 111 }
bbbobbbieo 0:bf39986ebff7 112 else if (violence_level==1) {
bbbobbbieo 0:bf39986ebff7 113 current_left_motor_speed = -(CONSERVATIVE);
bbbobbbieo 0:bf39986ebff7 114 current_right_motor_speed = CONSERVATIVE;
mperella 8:2a238dbd0386 115 increment = 0.04;
bbbobbbieo 0:bf39986ebff7 116 }
bbbobbbieo 0:bf39986ebff7 117 else if (violence_level==0) {
bbbobbbieo 0:bf39986ebff7 118 current_left_motor_speed = STOP;
bbbobbbieo 0:bf39986ebff7 119 current_right_motor_speed = STOP;
bbbobbbieo 0:bf39986ebff7 120 }
bbbobbbieo 0:bf39986ebff7 121 else {
bbbobbbieo 0:bf39986ebff7 122 current_left_motor_speed = STOP;
bbbobbbieo 0:bf39986ebff7 123 current_right_motor_speed = STOP;
bbbobbbieo 0:bf39986ebff7 124 }
bbbobbbieo 0:bf39986ebff7 125
bbbobbbieo 0:bf39986ebff7 126
bbbobbbieo 0:bf39986ebff7 127 // protection block
bbbobbbieo 0:bf39986ebff7 128 if(current_left_motor_speed >= PROTECTION_THRESHOLD_UPPER)
bbbobbbieo 0:bf39986ebff7 129 current_left_motor_speed= PROTECTION_THRESHOLD_UPPER;
bbbobbbieo 0:bf39986ebff7 130 if(current_right_motor_speed >= PROTECTION_THRESHOLD_UPPER)
bbbobbbieo 0:bf39986ebff7 131 current_right_motor_speed = PROTECTION_THRESHOLD_UPPER;
bbbobbbieo 0:bf39986ebff7 132 if(current_left_motor_speed <= PROTECTION_THRESHOLD_LOWER)
bbbobbbieo 0:bf39986ebff7 133 current_left_motor_speed = PROTECTION_THRESHOLD_LOWER;
bbbobbbieo 0:bf39986ebff7 134 if(current_right_motor_speed <= PROTECTION_THRESHOLD_LOWER)
bbbobbbieo 0:bf39986ebff7 135 current_right_motor_speed = PROTECTION_THRESHOLD_LOWER;
bbbobbbieo 0:bf39986ebff7 136
bbbobbbieo 9:c4a2a99b61e0 137 //TFC_SetMotorPWM(current_left_motor_speed, current_right_motor_speed);
bbbobbbieo 0:bf39986ebff7 138 }// end motor enabled
bbbobbbieo 0:bf39986ebff7 139 else {
bbbobbbieo 0:bf39986ebff7 140 TFC_HBRIDGE_DISABLE;
bbbobbbieo 0:bf39986ebff7 141 }// end motor disabled
bbbobbbieo 0:bf39986ebff7 142
bbbobbbieo 0:bf39986ebff7 143 // camera stuff
bbbobbbieo 0:bf39986ebff7 144 if (linescan_enable) {
bbbobbbieo 0:bf39986ebff7 145 if (TFC_LineScanImageReady !=0) {
bbbobbbieo 0:bf39986ebff7 146
bbbobbbieo 0:bf39986ebff7 147 if (linescan_ping_pong) {
bbbobbbieo 0:bf39986ebff7 148 //checking channel 0
bbbobbbieo 0:bf39986ebff7 149
bbbobbbieo 0:bf39986ebff7 150 //checking center pixel, displays aprox value on leds
bbbobbbieo 0:bf39986ebff7 151 uint8_t shitnum = 1;
bbbobbbieo 0:bf39986ebff7 152
bbbobbbieo 0:bf39986ebff7 153
bbbobbbieo 0:bf39986ebff7 154 // checking for center line (single line)
bbbobbbieo 0:bf39986ebff7 155 for (uint16_t i=15; i<113; i++) {
bbbobbbieo 0:bf39986ebff7 156 if ((*(TFC_LineScanImage0+i) < 450)) {
bbbobbbieo 0:bf39986ebff7 157 black_values_list[black_value_count] = i;
bbbobbbieo 0:bf39986ebff7 158 black_value_count++;
bbbobbbieo 0:bf39986ebff7 159 }
bbbobbbieo 0:bf39986ebff7 160 }
bbbobbbieo 0:bf39986ebff7 161
bbbobbbieo 0:bf39986ebff7 162 for(int i=0; i<black_value_count; i++) {
bbbobbbieo 0:bf39986ebff7 163 sum_black += black_values_list[i];
bbbobbbieo 0:bf39986ebff7 164 }
bbbobbbieo 0:bf39986ebff7 165
bbbobbbieo 0:bf39986ebff7 166 //update history
bbbobbbieo 0:bf39986ebff7 167 center_past_4= center_past_3;
bbbobbbieo 0:bf39986ebff7 168 center_past_3= center_past_2;
bbbobbbieo 0:bf39986ebff7 169 center_past_2= center_past_1;
bbbobbbieo 0:bf39986ebff7 170 center_past_1= center_now;
bbbobbbieo 0:bf39986ebff7 171
bbbobbbieo 0:bf39986ebff7 172
bbbobbbieo 0:bf39986ebff7 173 //if (black_value_count>2)
bbbobbbieo 0:bf39986ebff7 174 center_now = sum_black / black_value_count;
bbbobbbieo 0:bf39986ebff7 175
bbbobbbieo 0:bf39986ebff7 176 uint8_t num = 0;
bbbobbbieo 0:bf39986ebff7 177
bbbobbbieo 0:bf39986ebff7 178 if(center_now > 15 && center_now < 27)
bbbobbbieo 0:bf39986ebff7 179 num = 1;
bbbobbbieo 0:bf39986ebff7 180 else if(center_now >= 27 && center_now < 54)
bbbobbbieo 0:bf39986ebff7 181 num = 2;
bbbobbbieo 0:bf39986ebff7 182 else if(center_now > 60 && center_now < 70)
bbbobbbieo 0:bf39986ebff7 183 num = 15;
bbbobbbieo 0:bf39986ebff7 184 else if(center_now >= 54 && center_now < 81)
bbbobbbieo 0:bf39986ebff7 185 num = 4;
bbbobbbieo 0:bf39986ebff7 186 else if(center_now >= 81 && center_now < 113)
bbbobbbieo 0:bf39986ebff7 187 num = 8;
bbbobbbieo 0:bf39986ebff7 188
bbbobbbieo 0:bf39986ebff7 189 else
bbbobbbieo 0:bf39986ebff7 190 num = 0;
bbbobbbieo 0:bf39986ebff7 191
bbbobbbieo 6:ed97e4324202 192 // get rid of garbage data sets
bbbobbbieo 2:5eb97170c199 193 if (black_value_count<2)
bbbobbbieo 2:5eb97170c199 194 num = 0;
bbbobbbieo 2:5eb97170c199 195
bbbobbbieo 0:bf39986ebff7 196 TFC_SetBatteryLED(num);
bbbobbbieo 0:bf39986ebff7 197
bbbobbbieo 0:bf39986ebff7 198 // best guess of center based on weighted average of history
bbbobbbieo 0:bf39986ebff7 199 black_center_value = center_now;
bbbobbbieo 0:bf39986ebff7 200
bbbobbbieo 0:bf39986ebff7 201
bbbobbbieo 0:bf39986ebff7 202 // turn left
bbbobbbieo 6:ed97e4324202 203 // hit wall a little bit on the right
bbbobbbieo 2:5eb97170c199 204 if (num==8 and right_counter <.2 )
bbbobbbieo 0:bf39986ebff7 205 {
bbbobbbieo 6:ed97e4324202 206 //turn away a little bit for each frame that is wall
bbbobbbieo 7:f21986164bf1 207 if (left_counter >-.4)
mperella 8:2a238dbd0386 208 left_counter -=.05;
bbbobbbieo 4:18f5328ff5a3 209
bbbobbbieo 0:bf39986ebff7 210 turn_left=true;
bbbobbbieo 0:bf39986ebff7 211 turn_right=false;
bbbobbbieo 0:bf39986ebff7 212 }
bbbobbbieo 6:ed97e4324202 213
bbbobbbieo 6:ed97e4324202 214 // turn left real hard
bbbobbbieo 6:ed97e4324202 215 // wall is close to center on right
bbbobbbieo 2:5eb97170c199 216 if (num==4 and right_counter <.2)
bbbobbbieo 0:bf39986ebff7 217 {
bbbobbbieo 7:f21986164bf1 218 left_counter=-0.5;
bbbobbbieo 0:bf39986ebff7 219 turn_left=true;
bbbobbbieo 0:bf39986ebff7 220 turn_right=false;
bbbobbbieo 7:f21986164bf1 221 need_decel=true;
bbbobbbieo 0:bf39986ebff7 222 }
bbbobbbieo 0:bf39986ebff7 223
bbbobbbieo 6:ed97e4324202 224 // turn right
bbbobbbieo 6:ed97e4324202 225 // hit wall a little bit on the left
bbbobbbieo 2:5eb97170c199 226 else if (num==1 and left_counter >-.2)
bbbobbbieo 6:ed97e4324202 227 {
bbbobbbieo 6:ed97e4324202 228 //turn away a little bit for each frame that is wall
bbbobbbieo 7:f21986164bf1 229 if (right_counter <.4)
mperella 8:2a238dbd0386 230 right_counter +=.05;
bbbobbbieo 6:ed97e4324202 231
bbbobbbieo 0:bf39986ebff7 232 turn_left=false;
bbbobbbieo 0:bf39986ebff7 233 turn_right=true;
bbbobbbieo 0:bf39986ebff7 234 }
bbbobbbieo 6:ed97e4324202 235
bbbobbbieo 9:c4a2a99b61e0 236 // turn right hard
bbbobbbieo 6:ed97e4324202 237 // wall is close to center on left
bbbobbbieo 2:5eb97170c199 238 else if (num==2 and left_counter >-.2)
bbbobbbieo 0:bf39986ebff7 239 {
bbbobbbieo 7:f21986164bf1 240 right_counter =.5;
bbbobbbieo 0:bf39986ebff7 241 turn_left=false;
bbbobbbieo 0:bf39986ebff7 242 turn_right=true;
bbbobbbieo 7:f21986164bf1 243 need_decel=true;
bbbobbbieo 0:bf39986ebff7 244 }
bbbobbbieo 6:ed97e4324202 245
bbbobbbieo 6:ed97e4324202 246 // going straight yesssss
bbbobbbieo 10:761333231e50 247 else if (turn_right == false and turn_left == false and (violence_level !=0))
bbbobbbieo 2:5eb97170c199 248 {
bbbobbbieo 2:5eb97170c199 249 TFC_SetServo(0,(0.0+ bullshit_offset));
bbbobbbieo 10:761333231e50 250 TFC_SetMotorPWM(current_left_motor_speed-(.0001*num_of_straight), current_right_motor_speed+(.0001*num_of_straight)); // --left is faster, ++right is faster
bbbobbbieo 10:761333231e50 251 if (violence_level !=0)
bbbobbbieo 10:761333231e50 252 num_of_straight++;
bbbobbbieo 2:5eb97170c199 253 }
bbbobbbieo 2:5eb97170c199 254
bbbobbbieo 6:ed97e4324202 255 else{}
bbbobbbieo 0:bf39986ebff7 256
bbbobbbieo 0:bf39986ebff7 257 //dealwiththeshit
bbbobbbieo 6:ed97e4324202 258 // set servo and motors according to how much left we need to turn
bbbobbbieo 10:761333231e50 259 if(turn_left and (violence_level !=0))
bbbobbbieo 0:bf39986ebff7 260 {
bbbobbbieo 9:c4a2a99b61e0 261 num_of_straight = 0; // no longer on a straight
bbbobbbieo 9:c4a2a99b61e0 262 turn_right = false;
bbbobbbieo 9:c4a2a99b61e0 263 TFC_SetServo(0,left_counter + bullshit_offset ); // set turning servo
bbbobbbieo 9:c4a2a99b61e0 264
bbbobbbieo 6:ed97e4324202 265 // normalize to center each frame
bbbobbbieo 9:c4a2a99b61e0 266 // left turning is - servo
bbbobbbieo 9:c4a2a99b61e0 267 if(left_counter > -.2) // small turn, normalize quickly
bbbobbbieo 9:c4a2a99b61e0 268 left_counter += .015;
bbbobbbieo 9:c4a2a99b61e0 269 else // hard turn, normalize slowly
bbbobbbieo 9:c4a2a99b61e0 270 left_counter += .004;
bbbobbbieo 9:c4a2a99b61e0 271
bbbobbbieo 9:c4a2a99b61e0 272 // no longer turning boolean
bbbobbbieo 2:5eb97170c199 273 if (left_counter > (0+ bullshit_offset))
bbbobbbieo 1:e561f697985b 274 turn_left = false;
bbbobbbieo 6:ed97e4324202 275
bbbobbbieo 9:c4a2a99b61e0 276 if (need_decel) // need to deal with the decel
bbbobbbieo 7:f21986164bf1 277 {
mperella 8:2a238dbd0386 278 TFC_SetMotorPWM(current_left_motor_speed+(.55*left_counter), current_right_motor_speed-(.4*left_counter)); // ++left is slowed,--right is slowed
bbbobbbieo 7:f21986164bf1 279 need_decel = false;
bbbobbbieo 7:f21986164bf1 280 }
bbbobbbieo 9:c4a2a99b61e0 281 else // turning speeds
mperella 8:2a238dbd0386 282 TFC_SetMotorPWM(current_left_motor_speed+(.2*left_counter), current_right_motor_speed+(.35*left_counter)); // ++left is slowed, ++right is faster
bbbobbbieo 9:c4a2a99b61e0 283 }// end of turn left
bbbobbbieo 6:ed97e4324202 284
bbbobbbieo 6:ed97e4324202 285 // set servo and motors according to how much right we need to turn
bbbobbbieo 10:761333231e50 286 if(turn_right and (violence_level !=0))
bbbobbbieo 0:bf39986ebff7 287 {
bbbobbbieo 9:c4a2a99b61e0 288 num_of_straight = 0; // no longer going straight
bbbobbbieo 0:bf39986ebff7 289 turn_left =false;
bbbobbbieo 9:c4a2a99b61e0 290 TFC_SetServo(0,right_counter - bullshit_offset); // set servo
bbbobbbieo 9:c4a2a99b61e0 291
bbbobbbieo 6:ed97e4324202 292 // normalize to center each frame
bbbobbbieo 9:c4a2a99b61e0 293 // right turning is + servo
bbbobbbieo 9:c4a2a99b61e0 294 if(right_counter < .2) // small turn, normalize quickly
bbbobbbieo 9:c4a2a99b61e0 295 right_counter -= .015;
bbbobbbieo 9:c4a2a99b61e0 296 else // hard turn, normalize slowly
bbbobbbieo 9:c4a2a99b61e0 297 right_counter -= .004;
bbbobbbieo 9:c4a2a99b61e0 298
bbbobbbieo 9:c4a2a99b61e0 299
bbbobbbieo 9:c4a2a99b61e0 300 // no longer turning boolean
bbbobbbieo 2:5eb97170c199 301 if (right_counter < (0+ bullshit_offset))
bbbobbbieo 1:e561f697985b 302 turn_right = false;
bbbobbbieo 6:ed97e4324202 303
bbbobbbieo 9:c4a2a99b61e0 304 if(need_decel)// need to deal with the decel
bbbobbbieo 7:f21986164bf1 305 {
mperella 8:2a238dbd0386 306 TFC_SetMotorPWM(current_left_motor_speed+(.55*right_counter), current_right_motor_speed-(.4*right_counter)); // ++left is slowed,--right is slowed
bbbobbbieo 7:f21986164bf1 307 need_decel = false;
bbbobbbieo 7:f21986164bf1 308 }
bbbobbbieo 9:c4a2a99b61e0 309 else // turning speeds
mperella 8:2a238dbd0386 310 TFC_SetMotorPWM(current_left_motor_speed-(.35*right_counter), current_right_motor_speed-(.2*right_counter)); // --left is faster, --right is slowed
bbbobbbieo 9:c4a2a99b61e0 311 } // end with turn right
bbbobbbieo 9:c4a2a99b61e0 312
bbbobbbieo 0:bf39986ebff7 313
bbbobbbieo 0:bf39986ebff7 314 // clearing values for next image processing round
bbbobbbieo 0:bf39986ebff7 315 black_value_count = 0;
bbbobbbieo 0:bf39986ebff7 316 sum_black = 0;
bbbobbbieo 0:bf39986ebff7 317 // end image processing
bbbobbbieo 0:bf39986ebff7 318
bbbobbbieo 0:bf39986ebff7 319 linescan_ping_pong = false;
bbbobbbieo 0:bf39986ebff7 320 } // end checking channel 0
bbbobbbieo 0:bf39986ebff7 321
bbbobbbieo 0:bf39986ebff7 322 else { //checking channel 1
bbbobbbieo 0:bf39986ebff7 323 linescan_ping_pong = true;
bbbobbbieo 0:bf39986ebff7 324 }
bbbobbbieo 0:bf39986ebff7 325
bbbobbbieo 0:bf39986ebff7 326 TFC_LineScanImageReady = 0; // since we used it, we reset the flag
bbbobbbieo 0:bf39986ebff7 327 }// end imageready
bbbobbbieo 0:bf39986ebff7 328 }// end linescan stuff
bbbobbbieo 6:ed97e4324202 329 } // end major loop
bbbobbbieo 6:ed97e4324202 330 }// end main