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Dependencies: mbed
Diff: main.cpp
- Revision:
- 12:2847b345b5cf
- Parent:
- 8:eefbd3880d28
- Child:
- 13:c22e150048ae
--- a/main.cpp Thu Mar 12 12:18:25 2015 +0000 +++ b/main.cpp Fri Mar 13 13:12:55 2015 +0000 @@ -23,97 +23,108 @@ //Bluetooth Module to debug Serial blue(PTC4,PTC3); -void set_direction( int direction, float speed, float angle) +void set_direction( int direction, float duty_l, float duty_r) { - /* *******************Example Use***************** - set_direction("11", 0.5, 0); //This would set the robot to go forward, at half speed, straight - - set_directin( "11", 0.8, 0.2); //this would set robot to go forward, at 100% to the right and 60% to the left (turn right) - - set_direction("00", 0.3, 0.7); //robot back, 100% rightmotor; 0%left (technically -40%, but 0% is min) - - set_direction("11", 0.5, 0.5); // robot pivots forward, to the right, full speed (100% duty right ; 0% duty left) - - set_direction("11", 0.5, -0.5); //robot pivots forward, to the left, full speed (0% duty right ; 100% duty left) - - set_direction("11", 0.3, 0.5); //robot pivots forard, to the right , at 80% speed (80% right; 0% left) - - set_direction("11", -0.3, 0.5); //robot pivotrs foward, to the right, AT 20% SPEED (20%, 0%) - - set_direction("10", 0.5, 0); //robot spins to teh right, at half speed. Left forward 50% ; Right forward 50% - - set_direction("10", 0.5, 0.3); //robot spins to the right, 80% right forward ; 20% left backward - - */ - - float r_result = (speed + angle); //where angle can be postive and negative and will TURN the robot - float l_result = (speed - angle); //if turning left, you'd make the angle postive (right motor goes faster left motor goes slwoer) switch( direction ) { case 0x11: { //forward - motor_r.write( r_result < 0 ? 0 : r_result > 1 ? 1 : r_result); + motor_r.write( duty_r); //Look up ternary statements -- {condition ? value_if_true : value_if_false} This makes 0<result<1 - motor_l.write( l_result < 0 ? 0 : l_result > 1 ? 1 : l_result); + motor_l.write( duty_l); motor_rf=1; motor_rb=0; motor_lf=1; motor_lb=0; - blue.printf("I'm going forwards, r_motor duty is %f ; l_motor duty is %f", r_result, l_result); + blue.printf("Going forward, right:%f ; left:%f\n", duty_r, duty_l); + break; } case 0x00: { //backward - motor_r.write( r_result < 0 ? 0 : r_result > 1 ? 1 : r_result); - motor_l.write( l_result < 0 ? 0 : l_result > 1 ? 1 : l_result); + motor_r.write( duty_r); + motor_l.write( duty_l); motor_rf=0; motor_rb=1; motor_lf=0; motor_lb=1; - blue.printf("I'm going backwards, r_motor duty is %f ; l_motor duty is %f", r_result, l_result); - + blue.printf("Going backward, right:%f ; left:%f\n", duty_r, duty_l); + break; } case 0x01: { //spin left -- Right forward, left backward - motor_r.write( r_result < 0 ? 0 : r_result > 1 ? 1 : r_result); - motor_l.write( l_result < 0 ? 0 : l_result > 1 ? 1 : l_result); + motor_r.write( duty_r); + motor_l.write( duty_l); motor_rf=1; motor_rb=0; motor_lf=0; motor_lb=1; - blue.printf("I'm spinning left, r_motor duty is %f ; l_motor duty is %f", r_result, l_result); - + blue.printf("Spinning Left, right:%f ; left:%f\n", duty_r, duty_l); + break; } case 0x10: { //spin right - motor_r.write( r_result < 0 ? 0 : r_result > 1 ? 1 : r_result); - motor_l.write( l_result < 0 ? 0 : l_result > 1 ? 1 : l_result); + motor_r.write( duty_r); + motor_l.write( duty_l); motor_rf=0; motor_rb=1; motor_lf=1; motor_lb=0; - blue.printf("I'm spinning right, r_motor duty is %f ; l_motor duty is %f", r_result, l_result); - + blue.printf("Spinning Right, right:%f ; left:%f\n", duty_r, duty_l); + break; } } } -timer h_r, h_l; -float hall_rt1, hall_lt1, hall_rt2, hall_lt2//hall right time & left time -int h_f_r, h_f_l //hallflagright and left + +//HALL EFFECT INITIALISATIONS +Timer h_r, h_l; +float hall_rt1, hall_lt1, hall_rt2, hall_lt2 = 0; //hall right time & left time +float hall_rdt, hall_ldt; +int h_f_r, h_f_l; //hallflagright and left void hallr() //this just reading the various times. { if (h_f_r==2) { - start.h_r(); + h_r.start(); + hall_rt1=0; + hall_rt2 =0; + blue.printf("Timer R Starts\n"); + h_f_r =1; } else if(h_f_r == 1) { - hall_rt1 = read.h_r(); + hall_rt1 = h_r.read(); + //blue.printf("rt1 : %f\n", hall_rt1); h_f_r = 0; - } else if (h_f_l == 0) { - hall_rt2 = read.h_r(); + hall_rdt = hall_rt1-hall_rt2; + } else if (h_f_r == 0) { + hall_rt2 = h_r.read(); + //blue.printf("rt2 : %f\n", hall_rt2); + h_f_r = 1; + hall_rdt = hall_rt2-hall_rt1; } + //blue.printf("Hall_R dt : %f\n", hall_rdt); } void halll() { + blue.printf("Left been triggered\n"); + if (h_f_l==2) { + h_l.start(); + hall_lt1=0; + hall_lt2 =0; + blue.printf("Timer L starts\n"); + h_f_l = 1; + } else if(h_f_l == 1) { + hall_lt1 = h_l.read(); + //blue.printf("lt1 : %f\n", hall_lt1); + h_f_l = 0; + hall_ldt = hall_lt1-hall_lt2; + } else if (h_f_l == 0) { + hall_lt2 = h_l.read(); + // blue.printf("lt1 : %f\n", hall_lt1); + + h_f_l = 1; + hall_ldt = hall_lt2-hall_lt1; + } + //blue.printf("Hall_L dt : %f\n", hall_ldt); } int main() @@ -121,11 +132,9 @@ h_f_r = 2; h_f_l = 2; //attaching hall_r and hall_r so that it calls hall() on a rising and falling edge - hall_r.rise(&hallr()); - hall_r.fall(&hallr()); + hall_r.rise(&hallr); - hall_l.rise(&halll()); - hall_l.fall(&halll()); + hall_l.rise(&halll); //Set PWM frequency to 1000Hz @@ -136,202 +145,10 @@ motor_rb=0; motor_lf=0; motor_lb=0; - int direction = 0x11; - char rem_dir[2]; //remote_direction - - - - - - - /*BLUETOOTH TEST - + wait(1); + set_direction(0x11, 0.3,0.3); while(1) { - - - wait(1); - blue.printf("Gees a Direction\nFF for forward both, BB for backward both, FB for forward left and back right .. etc. \n"); - - while ( blue.readable()==0 ) {} // loops until there is an input from the user - - for(int i=0; i<2; i++) { - rem_dir[i] = blue.getc(); //Store incoming response into array - } - - //0x46 is F, 0x66 is f - //0x42 is B , 0x62 is b - if( (rem_dir[0] == 'F'|'f' ) && ( rem_dir[1] == 'F'|'f') ) { - direction = 0x11; - blue.printf("You wanted to go straight\n"); - } else if ( (rem_dir[0] == 'B'|'b' ) && ( rem_dir[1] == 'B'|'b') ) { - - direction = 0x00; - blue.printf("You wanted to go backwards\n"); - - } else if ( (rem_dir[0] == 'B'|'b' ) && ( rem_dir[1] == 'F'|'f') ) { - - direction = 0x01; - blue.printf("You wanted to spin anti-clockwise\n"); - - } else if ( (rem_dir[0] == 'F'|'f' ) && ( rem_dir[1] == 'B'|'b') ) { - - direction = 0x10; - blue.printf("You wanted to spin clockwise\n"); - } else {} - set_direction(direction, 0.5, 0); - - /* SETTING SPEED AND ANGLE TOO - blue.printf("Whit speed you going at?\n Send it as a duty percentage"); - while ( blue.readable()==0 ) {} // loops until there is an input from the user - - speed = input; - - blue.printf("What angle you going at? percentage again (negative percentage for opposite dir)"); - while ( blue.readable()==0 ) {} // loops until there is an input from the user - - angle = input; - */ - - //set_direction(direction, speed, angle); - - //} - - /* //Also Working Demo - wait(2); - led = !led; - set_direction(0x11, 0.5, 0); //This would set the robot to go forward, at half speed, straight - - wait(2); - led = !led; - set_direction(0x11, 0.8, 0.2); //this would set robot to go forward, at 100% to the right and 60% to the left (turn right) - - wait(2); - led = !led; - set_direction(0x00, 0.3, 0.7); //robot back, 100% rightmotor; 0%left (technically -40%, but 0% is min) - - wait(2); - led = !led; - set_direction(0x11, 0.5, 0.5); // robot pivots forward, to the right, full speed (100% duty right ; 0% duty left) - - wait(2); - led = !led; - set_direction(0x11, 0.5, -0.5); //robot pivots forward, to the left, full speed (0% duty right ; 100% duty left) - - wait(2); - led = !led; - set_direction(0x11, 0.3, 0.5); //robot pivots forard, to the right , at 80% speed (80% right; 0% left) - - wait(2); - led = !led; - set_direction(0x11, -0.3, 0.5); //robot pivotrs foward, to the right, AT 20% SPEED (20%, 0%) - - wait(2); - led = !led; - set_direction(0x10, 0.5, 0); //robot spins to teh right, at half speed. Left forward 50% ; Right forward 50% - - wait(2); - led = !led; - set_direction(0x10, 0.5, 0.3); //robot spins to the right, 80% right forward ; 20% left backward - - }*/ - - - /* // working demo - - while(1) { //infinite loop - //*********************************************** - myled = !myled; - - //Set duty cycle at 100% AKA Full Speed - motor_r.write(1.0); - motor_l.write(1.0); - - motor_rf=1; - motor_rb=0; - motor_lf=1; - motor_lb=0; //go forwards - wait(2); - //************************************** - myled = !myled; - - motor_r.write(0.75); - motor_l.write(0.75); - - motor_rf=1; - motor_rb=0; - motor_lf=1; - motor_lb=0; //go forwards - // - wait(2); - - myled = !myled; - - motor_r.write(0.5); - motor_l.write(0.5); - - motor_rf=1; - motor_rb=0; - motor_lf=1; - motor_lb=0; - - - wait(2); - myled = !myled; - - motor_r.write(0.30); - motor_l.write(0.30); - - motor_rf=1; - motor_rb=0; - motor_lf=1; - motor_lb=0; - - wait(2); - - myled = !myled; - motor_r.write(1.0); - motor_l.write(1.0); - - motor_rf=0; - motor_rb=1; - motor_lf=0; - motor_lb=1; //go backwards - // - wait(2); - - - - myled = !myled; - motor_r.write(0.5); - motor_l.write(0.5); - - motor_rf=0; - motor_rb=0; - motor_lf=0; - motor_lb=1; // - - wait(2); - myled = !myled; - - motor_rf=0; - motor_rb=1; - motor_lf=0; - motor_lb=0; //reverse turn - - wait(2); - - myled = !myled; - motor_r.write(0.5); - motor_l.write(1.0); - - motor_rf=1; - motor_rb=0; - motor_lf=1; - motor_lb=0; //go forwards - // - wait(4); - }*/ - - - + led = !led; + wait(0.5); + } }